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  • Differences between positive pressure cloth bag dust collector and negative pressure cloth bag dust collector:
    Advantages of boiler bag filter ● high dust removal efficiency, up to 99.9%; ● less ancillary equipment, investment savings, technical requirements are not as high as the electrostatic precipitator; ● can catch dust with high specific resistance, difficult to recover dust; ● stable performance of bag dust collector, good adaptability to load change, easy operation and management, especially suitable for collecting fine and dry dust, dry dust collected is easy to handle and recycle; ● can be suitable for the whole process of production dust new theory, reduce total emissions; ● bag filter is suitable for cleaning dust gas containing explosion danger or spark. Faults of boiler bag filter ● used to deal with high relative humidity of dust gas, should take insulation measures (especially in winter), so as not to cause "paste bag" due to condensation. ● for the purification of corrosive gases, should choose the appropriate corrosion resistant filter material, for the treatment of high temperature flue gas should take cooling measures. Reduce the smoke temperature to the long-term operation of the filter bag can withstand the temperature below, and as far as possible to use high temperature resistant filter material. ● large resistance, the general pressure loss is 1000 ~ 1500Pa. Advantages of electric precipitators ● dust removal efficiency can collect fine dust below 1um, which can control a reasonable dust removal efficiency. ● handle large amount of smoke, can be used at high temperature (up to 500℃), high pressure and high humidity occasions, can be continuous operation. ● with the characteristics of high efficiency and low resistance, the pressure loss of the precipitator is only 100 ~ 200Pa. Faults of electric precipitators ● the equipment is large, steel consumption, needs high voltage transformer and rectifier equipment, usually the output peak voltage of high voltage power supply equipment is 70 ~ 100KV, so the investment is high. ● high technical level requirements for manufacturing, installation and management. Low dust removal efficiency is affected by the dust resistivity is big, general comparison resistance less than 104 ~ 105 Ω · cm or greater than 1012 ~ 1015, Ω cm, dust, if do not take action, the dust removal efficiency will be affected.

    2019 06/18

  • How to maintain the screw chiller with EVR/MSV refrigeration solenoid valves?
    The correct commissioning of the screw chiller is an important part of ensuring the normal operation of the refrigeration unit, saving energy consumption and prolonging the service life. For on-site installation of large and medium-sized refrigeration systems, the requirements should be familiar with the layout and connection of the entire system, the outline structure and component performance of each equipment, as well as the electronic control system and water supply system. To this end, engineers such as refrigeration and hydropower should participate in the commissioning. Users should carefully read the product operation manual provided by the factory before commissioning, and proceed step by step according to the operation requirements. The operator must undergo special training from the factory to obtain the operation certificate of the unit before the operation can be carried out, so as to avoid fatal damage to the unit caused by wrong operation. Screw chiller commissioning 1) Charge of refrigerant. At present, the refrigeration unit is generally filled with refrigerant before leaving the factory. After the installation on site, if no accidental damage is found in the visual inspection, the relevant valve can be opened directly (you should read the manufacturer's instruction manual first, in transit, on the unit). The valve is normally in the off state) for commissioning. If the refrigerant has been leaked or insufficient, first find the leak point and eliminate the leak, then add the required grade of refrigerant according to the product instruction manual. Note that the refrigerant charge should meet the technical requirements. 2) Some screw-type chillers need to be filled with refrigerant at the user's site. The refrigerant charge and refrigerant grade must be in accordance with regulations. The refrigerant charge is insufficient. Will result in insufficient cooling. Excessive refrigerant charge will not only increase the cost, but also adversely affect the operating energy consumption. 3) Before charging the refrigerant, sufficient refrigerant should be prepared in advance. When filling, it can be directly charged from the special filling valve. Since the system is in a vacuum state, the pressure difference between the refrigerant and the system in the cylinder is large. When the valve is opened (the air in the connecting pipe should be blown out with the refrigerant first, so that the air does not enter the unit and affect the performance of the unit), the refrigerant is quickly replaced by the cylinder. In the flow system, after filling, the liquid filling valve should be closed first, and then the connecting pipe should be removed. 4) Refrigeration system commissioning. After the refrigerant is charged (if the refrigerant needs to be charged), the load can be debugged. In recent years, screw chillers have made great progress in performance and electrical control. Many screw chillers can perform analog operation check on the main electronic control system before the official start-up, that is, the main unit of the unit is not energized, and the control system Power on, and then through the internal settings of the unit, the unit's electronic control system is tested, and the components are running normally. If there is any problem with the electronic control system, it can be resolved in time. Finally, connect to the host power supply for debugging. During the debugging process, special attention should be paid to the following points: If you are interested in our products, just inquiry me. I'm always waiting for you! Echo Tel: +86-574-83879820 Fax: +86-574-83879819 Mobile: +86 13884432639 Skype: sales02@brandopneumatic.com E-mail: sales02@brandopneumatic.com

    2019 06/18

  • LCM - D/G series long bag Pulse dust collector
    LCM - D/G series long bag Pulse dust collector is offline in the injection Pulse (Jet Pulse) removal technology, on the basis of specially developed to meet the needs of the large air purification with advanced levels of Pulse bag filter, not only has the ash removal ability of injection Pulse dust collector, dust removal efficiency, low emission concentration, but also has stable and reliable, low gas consumption, the characteristics of the cover an area of an area small, especially suitable for processing large volume of flue gas. The long bag low-pressure pulse bag filter is a large dust removal equipment with large air volume, good dust removal effect, high dust removal efficiency, reliable operation, convenient maintenance and small occupation area. It is used for dust control and material recovery in metallurgy, building materials, electric power, chemical industry, carbon black, asphalt concrete mixing, boiler and other industries. Construction characteristics of LCM type long bag off-line pulsed dust collector: 1. The long bag off-line pulse dust collector is mainly composed of box, dust hopper, air inlet and even pipe, air outlet pipe, support, filter bag, spraying device, dust discharging device, etc. It adopts thin plate type lifting valve to realize off-line three states, advanced ash cleaning technology and reliable operation. 2, the long bag low-pressure pulse bag dust collector design reasonable air intake flow tube and dust bucket diversion technology to solve the general bag dust collector often produced by the uneven flow in each chamber phenomenon. 3. The research structure of long bag low-pressure pulse bag filter bag has various structural forms (octagonal, circular, etc.) according to different working conditions. Quick and easy to replace filter bag. 4. The upper end of the filter bag of the long bag low-pressure pulse bag filter is in the form of spring expansion ring and sealed well; The standard length of the cloth bag cage for maintenance and replacement is 6m, and can be increased by 1-2m as required. 5, long bag low-pressure pulse bag filter electromagnetic pulse valve vulnerable parts of the diaphragm service life is more than 1 million times. The dust collector can be controlled by advanced program controller, with three control modes of differential pressure, timing and manual, which can control the off-line network of the dust collector, pulse valve and ash discharging interval comprehensively. Performance parameters of LCM type long bag off-line pulsed dust collector: From the long bag low pressure pulse bag filter dust air into the wind pipe flow into each room ash hopper and the ash hopper guiding device, under the guide of large particles of dust is separated into ash hopper directly, while the fine dust adsorption on the outer surface of the filter pocket, clean gas through the filter bag into the box body, and the offline valve and exhaust duct into the atmosphere. As you progress through the filter, filter bag dust pile up, when the equipment to limit the resistance value of resistance, controlled by the ash removal device according to the differential value or soot cleaning time value after a room offline valve automatically shut down, according to the set procedures open electric pulse valve, to stop the wind blowing, make the tension inside the filter pocket, the filter bag to shake off the dust on the ash hopper, discharge from row of institutions. Cooper

    2019 06/25

  • How to choose refrigeration solenoid valve and installation check in cold storage
    When selecting, the diameter of the solenoid valve of the same size as the pipeline should be configured according to the size of the pipeline of the cold storage refrigeration equipment. The material of the solenoid valve body should be compatible with the center of the pipeline; the operating voltage should be consistent with the supply voltage. Different types of electromagnetic wide should be used for different work places. Solenoid valves such as refrigerant lines cannot be used in water lines because water can foul and inevitably have solid impurities, which can easily block small balance holes on the diaphragm. The electromagnetic valve used on the oil return pipe of the oil separator should have anti-vibration measures to prevent the fluctuation of the compressor discharge pressure from affecting the opening and closing of the auxiliary valve. Solenoid valves for suction pipes are required to be dew condensation, so use a moisture-proof coil or a closed solenoid valve. When the ambient temperature is higher than 40 °C, use a heat-proof coil or the like. The working current, voltage, frequency and power of each electromagnetic coil have a certain range, and can not be used indiscriminately to avoid burnout. When the voltage drops, the coil suction also drops. When the AC frequency is low, the suction force increases, but the coil heats up and is easily burned out. When assembling the solenoid valve, the coil part should be assembled correctly according to the specification, so as not to increase the magnetic resistance. The increase in magnetic resistance not only reduces the electromagnetic attraction, but also causes the suction direction to be uncorrected, which affects the action of the valve. The solenoid valve must be coiled up and installed vertically in the pipeline. Otherwise, it will fail due to the core iron not working properly. The flow direction of the medium in the solenoid valve flows from the upper side of the valve core to the lower side, so it must be installed according to the direction of the arrow indicated on the valve body. The direction of the arrow is the flow direction of the medium in the pipeline. In order to check whether the solenoid valve is working properly, a light bulb can be connected in parallel with the solenoid valve power line to indicate its switching condition. It is also possible to connect a manual switch in series with the solenoid valve power supply line. When the manual switch is used to turn the circuit on and off, if the sound of the spool in the solenoid valve can be heard, the operation of the solenoid valve is normal. The malfunction of the solenoid valve mainly occurs in the three aspects of coil burnout, valve core jam and core iron remanence. It can be inspected and confirmed by the above method. If the core iron remanence does not fall automatically after the power is cut off, the core iron can be taken out and removed by heating or beating. Echo

    2019 06/25

  • The classification of Fully Automatic Filling Machines
    Due to the differences in physical and chemical properties of liquid materials, there are different requirements for filling. The liquid material is poured into the packaging container by the liquid storage device. The following methods are recommended: 1. Normal pressure filling It refers to a filling method that directly flows into the packaging container by the self-weight of the liquid to be poured under atmospheric pressure. Inlet and exhaust, that is, the liquid material enters the container, and the air in the container is discharged; when the liquid is stopped, that is, when the liquid material in the container reaches the quantitative requirement, the liquid inlet is automatically stopped; the remaining liquid is removed, that is, the exhaust pipe is removed. Residual liquid. 2. Isobaric filling It is a filling method in which the compressed air of the upper air chamber of the liquid storage tank is used to inflate the packaging container so that the pressures of the two are nearly equal, and then the liquid material flows into the packaging container by its own weight. The process of isostatic filling is: inflating the pressure, injecting the gas, stopping the liquid, releasing the pressure, that is, releasing the residual compressed gas in the bottle neck to the atmosphere, so as to avoid a sudden drop in the bottle and cause a large amount of bubbling, affecting Packaging quality and quantitative accuracy. 3. Vacuum filling method It is a method of filling below atmospheric pressure. There are two basic ways: one is pressure vacuum type, that is, the inside of the liquid storage tank is in a normal pressure state, only the air is evacuated in the packaging container to form a certain degree of vacuum, and the liquid depends on the pressure difference between the two containers, and flows in. The packaging container is filled and filled; the other is gravity vacuum type, that is, the liquid storage tank and the packaging container are in a nearly equal vacuum state, and the liquid material flows into the container by its own weight. At present, pressure vacuum is often used in China. Its equipment is simple and reliable. 4. Siphon filling Siphon filling uses the siphon principle to allow liquid material to be drawn into the container from the reservoir through the siphon until the liquid level is equal. This method is suitable for filling liquid materials with low viscosity and no gas. The structure of the equipment is simple, but the filling speed is low. 5. Pressure method filling Pressure filling is to control the reciprocating motion of the piston by means of mechanical or pneumatic hydraulic devices. The liquid material with higher viscosity is sucked into the piston cylinder from the storage cylinder and then forced into the container to be filled. This method is sometimes For the filling of beverages containing gas, since the foam is not contained therein, the formed foam is easy to disappear, so it can be directly poured into the bottle which has not been pre-inflated by the gas pressure which it has, thereby greatly improving the irrigation. Loading speed. We offer automation components for fully automatic filling machines such as finger cylinders, pneumatic solenoid valves, solenoids, actuators and more. Welcome to your inquiry! Echo

    2019 06/13

  • How to avoid cement blocking dust filter bag
    In view of how to avoid cement blocking dust removal filter bag, the following points should be paid attention to: 1. Check the total moisture of grinding materials regularly, and pay close attention to whether the grinding materials, such as clinker, limestone and gypsum, are wet and damp; Ensure that the limestone, gypsum and other materials into the factory do not increase water due to rain leakage, control the grinding limestone water ≤1%, gypsum water ≤3%, strictly control the slag into the grinding water, do not put wet materials straight. Open drainage ditch in the wet slag stacking site of the combined storage tank to reduce the original moisture of wet slag as soon as possible. When the control index is specified, winter and summer can be different. In low temperature and rainy season, the ratio of mixed materials should be adjusted under the condition of quality permitting, so as to reduce the total moisture. For example, fly ash can be used to replace part of the slag. 2. Appropriately increase the ventilation in the mill to explore the optimal air volume range. The negative pressure of grinding head should be included in the required inspection items when operating the patrol inspection. The filling quantity of abrasive body in one bin should be appropriate to avoid affecting the ventilation area of the hollow shaft. In order to avoid blocking the grate, material such as iron slag mixed in the mixed material should be cleaned in time. To maintain the stability of the ventilation capacity in the mill at a good level; Once there is a change, the exhaust fan can still be used to adjust the optimal ventilation rate in the mill. 3. The wind pressure for dust removal and filter bag cleaning should be maintained above 0.5mpa, and the oil and water should be separated and the air bag should be discharged in time. Often check the inner air path of filter bag filter, control the air used for cleaning, etc. Check the clogging degree of dusting filter bag. Once the clogging is found, take it out and pat it to clear the clogging. Ensure that the ventilation capacity is maintained normally, and prevent the blockage from continuing to form a vicious circle. 4, the exhaust gas treatment system leakage inspection, the implementation of comprehensive plugging, grinding exhaust gas system necessary external insulation. 5. Make good production scheduling, and keep running as much as possible when the water content in grinding is too large, so as to reduce the frequency and time of stopping grinding; Stop grinding as far as possible to avoid the late night and morning, such as low temperature period, low temperature season especially pay attention to. 6. Start cold grinding in low-temperature season, and try to avoid excessive moisture of materials in the temperature-rising period into grinding; Pay attention to control feeding speed; Ring flow mill can increase the amount of back powder and increase the internal wind temperature. Before stopping grinding, the stopping time should be extended as much as possible, as early as possible for mixed materials with high moisture content, after stopping grinding, the exhaust time should be extended appropriately, and the grinding body should be rotated well. 7. The mill equipped with water spray inside the mill should ensure good atomization. Stop the water for a quarter of an hour before the grinding, to avoid the negative effect of moisture evaporation delay on dust filter bag. The use of filter bag dust removal equipment for dust removal of cement mill can ensure the high efficiency of dust removal, but if not used properly, it will cause dust removal filter bag blockage, so when dust removal filter bag is used for cement mill, it should pay special attention not to let it be blocked.

    2019 06/11

  • Principle of Woodworking Dust Collector
    Woodworking dust Collector includes three devices, piping system, fan system and filtration system. In these three systems, the structure and function of different configurations are different, but the basic principle is the same, just like wearing a mask. The pipeline is connected to the woodworking machinery and the filtration system, and the fan works so that the pipeline generates negative vacuum. One of the main fan configuration and filter bag performance. The configuration of the fan is calculated according to the arrangement of the number of machines in the production workshop, which requires professional personnel to calculate the configuration, so that the air volume of the filter interface of each machine reaches the same, so as to effectively remove dust. Dedusting and filtering cloth bags should be selected according to different environment. The dust properties generated by different woodworking workshops are different. Contain sawdust particles flow through the fan to the bag filter in the diversion of storehouse, under the action of the velocity of airflow in the guide plate is reduced, the heavier sawdust particles under the action of gravity, falling into a gray barn, other lighter fine dust currents adsorption on the filter bag looks up, after the bag filter, clean gas into the exhaust chamber side by side in the outside. With the continuous filtration, dust accumulated on the outer surface of the filter bag will be more and more, which will increase the operating resistance of the system and reduce the dust removal efficiency of the system. For this reason, the system is equipped with an automatic pulse ash cleaning device, which is composed of pulse control instrument, pulse valve, speed connection, drum and jet pipe. According to the characteristics of sawdust particles, pulse amplitude and pulse frequency can be set on the pulse controller. After the setting of pulse amplitude and frequency, during the working process, the system will automatically clean the dust of the filter bag, thus greatly increasing the filtering efficiency and extending the service life of the filter bag. Cooper

    2019 06/04

  • Future trends and changes in filling machinery
    Future trends and changes in filling machinery The filling machinery is now more and more automated, high-speed, and the trend is fully automated. The domestic research and development of filling machinery is more and more, accelerating technological innovation, shortening the gap between us and foreign countries, fully automatic filling In fact, it was first introduced to China from abroad. At that time, the level of foreign mechanization was high, and the level of R&D was high. At that time, this technology was blank in China. At that time, the development in China in the past few years was obvious to all. The level of filling equipment kept up with the international level. According to the survey of major packaging machinery manufacturers around the world by international famous survey institutions, the domestic packaging machinery industry will maintain a good momentum of development in the next few years, but the overall industry structure will undergo tremendous changes. To this end, we continue to have new actions in product updates and industrial restructuring, and the packaging machinery produced by the company is becoming more and more extensive. On the basis of the manufacture of agrochemical packaging equipment, the R&D and production of the models required by the daily chemical industry and large chemical industry have gradually started. Such as a beverage filling line, combined with micro-computer parts, control software, filling and capping, realistic productivity and theoretical technology. The supplier can provide engineering design, installation, commissioning, and finally accept the user acceptance. Current filling machinery technology is widely used in the development, design and manufacturing of food and beverage packaging. The current development trend of filling machinery is to continuously improve the automation degree of single machine, improve the automation control level and production capacity of the whole packaging production line, and can greatly improve the quality of food and beverage packaging production equipment products and improve their domestic and international competitiveness. Echo

    2019 06/04

  • Comments of Industrial Dust Collector Bag Filter With DMF series pulse solenoid valve
    How the bag filter works: The bag filter mainly uses the filter material (fabric or felt) to filter the dusty gas to achieve the purpose of dust removal. The filtration process is divided into two stages. First, the dust-containing gas passes through the cleaned filter material. At this time, the filtration is mainly caused by the retention of the filter fiber. Secondly, when the retained dust is continuously increased, a part of the dust is embedded in the interior of the filter material, and a part of the dust covers the surface of the filter material to form a dust layer. At this time, the dust layer is mainly used to filter the dust-containing gas. After the dust-containing gas enters the dust collector, the airflow speed decreases, and the larger particles in the smoke directly precipitate to the ash bucket, and the remaining dust particles are filtered from the outside to the inside through the filter bag, and the cleaned smoke is discharged from the inside of the filter bag, and the fly ash is blocked. On the outside of the filter bag. As the accumulation of ash accumulates, the pressure difference between the inside and outside of the dust filter bag gradually increases. When the pressure difference reaches the set value, the pulse valve diaphragm automatically opens, the pulsed air is sprayed into the filter bag through the nozzle, and the filter bag is expanded, thereby The dust adhering to the filter bag falls off to achieve the effect of dust removal. The structure of the bag filter: The internal structure of the bag filter is mainly composed of an upper box, a middle box, a lower box (ash hopper), a cleaning system and a ash discharging mechanism. The bag filter is mainly composed of four major systems, namely the cleaning system, the control system, the inspection system, the safety protection system (including the boiler ignition and oil injection, the low-load operation, the fuel injection, the pre-coating ash system, the protection filter When the smoke temperature exceeds the set value, the emergency water spray system is activated to reduce the temperature of the smoke and protect the filter bag. The cleaning system is the digestive organ of the bag filter, and the operation effect of the bag filter depends largely on the bag. In the cleaning mechanism and its control system. Type of bag filter: Bag dust collector equipment mainly includes pulse jet bag filter, air box pulse bag filter, mechanical backwash bag filter, mechanical vibrating bag filter and other equipment. Pulse jet bag filter working principle The dust-laden gas enters the air inlet of the upper part of the ash hopper by the pipeline. Under the action of the induced draft fan, the airflow flows upward, the flow velocity decreases, and some large-particle dust is separated and falls into the ash hopper due to the inertia force. The dust-containing gas enters the middle tank and is filtered and purified by the filter bag. The dust is retained on the outer surface of the filter bag, and the purified gas enters the upper tank through the filter bag outlet, and is discharged from the air outlet. As the dust on the surface of the filter bag increases, the pressure difference between the inlet and outlet of the dust collector increases. When the precipitator resistance reaches the set value, the control system issues a clearing command and the cleaning system starts to work. Firstly, the solenoid valve is opened immediately after receiving the signal, so that the compressed air in the upper air chamber of the small diaphragm is discharged. Due to the force change at both ends of the small diaphragm, the exhaust passage closed by the small diaphragm is opened, and the upper portion of the large diaphragm is opened. The compressed air of the air chamber is discharged from the passage, and the force is changed at both ends of the large diaphragm to make the large diaphragm move, and the closed output port is opened, and the compressed air in the air bag is sprayed into the bag through the output pipe and the blowing pipe to realize Clean up. When the control signal is stopped, the solenoid valve is closed, the small diaphragm and the large diaphragm are successively reset, and the injection stops. Working principle of air box pulse bag filter: As the dust-containing gas passes through the filter bag, the dust layer on the filter bag is continuously thickened as the filtration time is extended, and the filter bag resistance is increased. For normal work, the resistance should be controlled within a certain range (140--170 mm). Water column), when the resistance of the equipment rises to the set value, the cleaning device starts to clean. When the dust is cleaned, each control valve is sequentially triggered by the pulse controller to open the pulse valve. First, a compartment chamber poppet valve is closed, the filtered airflow is cut off, and then the electromagnetic pulse valve is opened. The compressed air expands rapidly in the upper tank body in a very short time, and flows into the filter bag, causing the filter bag to expand and deform to generate vibration, and in the reverse airflow. Under the action of the scouring, the dust adhering to the outer surface of the filter bag is peeled off and falls into the hopper. After the cleaning is completed, the electromagnetic pulse valve is closed, the poppet valve is opened, and the chamber is restored to the filtered state. The cleaning chambers are sequentially performed, starting from the first chamber cleaning to the next cleaning, starting with a cleaning cycle. The dust that has been intercepted by the filtration and cleaning work falls into the ash hopper, and is discharged by the ash discharge device of the ash hopper. Thereby, the dust accumulated on the filter bag is periodically pulsed and cleaned, so that the purge gas passes normally, and the dust removal system is operated. Working principle of mechanical backflush bag dust collector: The dust-containing airflow enters the upper space of the filter chamber tangentially, and the large particles and the condensed dust particles are swirled down the hopper according to the centrifugal force, and the small particles of dust are dispersed in the gap between the filter chamber bags, thereby being retained by the dust filter bag. The purified air is collected in the clean room through the dust bag and through the filter bag guide on the flower plate, and is taken in by the fan and discharged into the atmosphere. As the filtration progresses, the resistance gradually increases. When the upper limit of the anti-blow control resistance is reached, the differential pressure transmitter sends a signal to automatically activate the anti-drying mechanism; the back airflow with sufficient momentum is blown into the filter bag by the rotary wall nozzle. The mouth blocks the filtered airflow and changes the pressure working condition in the bag, causing the filter bag to substantially vibrate, shake off the dust, and the spiral arm splits one by one. When the filter bag resistance drops to the lower limit, the anti-drying mechanism automatically stops working. Mechanical vibrating bag filter working principle: Mechanical vibrating bag filter is a dust removing device for collecting solid particles in dusty gas by using a bag filter element made of fiber braid. The principle of action is that the dust powder contacts the fiber due to inertia when passing through the filter cloth fiber. While being intercepted, the dust collected on the filter bag is periodically removed by the cleaning device and dropped into the ash hopper, and then discharged through the ash discharging system. The dusty flue gas enters the inlet chamber from the upper part of the mechanical vibrating bag filter. Some coarse particles fall into the ash bin due to inertia, and the other dusty flue gas enters the inlet chamber through each intake branch pipe, and evenly passes through the upper flower plate. Infiltrated into the filter bag, a large amount of dust stays in the filter bag, and some of the dust directly falls through the lower plate into the ash hopper. The purified gas enters the atmosphere through an exhaust valve. When the dust layer attached to the inner surface of the filter bag is thickened to a certain extent, the running resistance of the dust collector is increased to a certain value, and the anti-hair dryer is controlled by the microcomputer to perform the two-state chamber cleaning process, and the air is blown to change the pressure inside and outside the filter bag. Poor, the filter bag is expanded to shrink to remove the dust layer attached to the inner surface of the filter bag, so that the dust collector returns to normal operation, and the dropped dust enters the screw conveyor through the ash discharge valve to achieve the purpose of recycling the material. Echo

    2019 05/28

  • Position of Bag-type Dust Removal in the environmental protection industry
    Bag-type dust removal is an efficient dry dust removal technology, which is simply a filter bag made of fiber filter material and purifies the gas through the dust layer formed on its surface. Bag dust removal technology is an effective way to prevent and control air pollution and reduce industrial smoke and dust emissions. Xue-jun cao said that the ministry attaches great importance to development of high temperature bag dust removal technology, the technology of bag-type dust collector into the catalogue of advanced technology for energy conservation and emissions reduction, environmental protection filter with textiles, especially high temperature filtration materials as the key point of the development of the industrial support, and support the China textile academy of sciences set up a high temperature filter material of bag-type dust collector development and application of the public service platform, provide the filter bag filter bag production and application oriented enterprise quality performance assessment, the new filter material technology development, the old filter bag recycling industries such as the universal service. In the past five years, bag-type dust removal has been applied rapidly in urban garbage incineration, coal-fired power generation, cement, steel smelting and other industries, and has become one of the main industrial technologies for flue gas dust removal in coal-fired power plants. "Gradient filter material, ultra-fine fiber filter material and other key products and technologies have made significant breakthroughs in recent years, prompting the bag-type dust removal technology to achieve fine particulate dust emission concentration of less than 10 mg per cubic meter, or even reach the level of ultra-net emissions. Li lingshen, vice President of China textile industry federation and President of China industrial textile industry association. Under the concept of green development, the domestic demand for bag-type dust removal is obviously increased, which also drives the rapid growth and development of filter material industry. In the past five years, the filtration and separation textile industry has grown at an average annual rate of 14.7 percent, according to li. In the first half of this year, the main business income and profit of filter textile industry increased by 6.8% and 9.1% respectively, and the export delivery value increased by 15.3%. "With the continuous progress of filter material technology in our country, all kinds of high-performance dust filter bags can fully meet the more stringent environmental standards, and the comprehensive cost has been falling. Li lingshen said. In recent years, China's bag-type dust removal production technology level has been continuously improved, has reached the international first-class level, domestic production of filter material performance has also been able to compete with foreign brands. "Bag-type dust removal industry has a good development prospect. How to better play the role of the industry and win a broader development space by improving their own level is the most important task at present. Li xin, deputy director of the China national academy of textile sciences, believes that the bag-type dust removal industry needs to further comprehensively upgrade its technology, enhance product stability and filter material service life in the future. More importantly, it is necessary to accelerate the research and development of applications in different industries. In combination with the complex diversity of production in domestic industrial industries, it is necessary to accelerate the adaptation to the latest demand changes of enterprises. Starting from two aspects of product innovation and after-sales service, it is necessary to produce differentiated products and further improve product quality and service level. Cooper

    2019 05/28

  • Central air conditioning in refrigeration equipment field
    With the improvement of the construction industry, industrial and commercial facilities and people's quality of life, the demand for central air-conditioning products is increasing, and the scope of demand and the level of demand are also becoming more complex and diversified. The rapid development of special central air-conditioning has benefited greatly from the tremendous development of the real estate industry. The rise in the scale of real estate investment, especially the increase in the size of office and commercial buildings, will inevitably lead to a rapid increase in the total demand for central air-conditioning products. Industrial refrigeration equipment, central air-conditioning, and refrigeration and refrigeration equipment are popular words in the current refrigeration and air-conditioning equipment industry, and they are widely used in various fields, which have played an effective role in promoting the economic development. The application fields of industrial refrigeration equipment are often accompanied by industrial high temperature, dusty, multi-electromagnetic radiation, etc. The harsh working conditions cause interference to the power and instrument control system of the refrigeration equipment, and the safety and stability of industrial refrigeration equipment are extremely Importantly, major industrial refrigeration equipment includes industrial liquid (oil) coolers, industrial air conditioners. The central air conditioner is an air conditioner that controls a different room to achieve indoor air conditioning by means of a main air passage through a wind passage or a hot and cold water pipe. It has been widely used in public buildings, commercial real estate and residential real estate. Refrigeration and air conditioning equipment can improve the industrial production environment and improve work efficiency. The 21st century is a high-tech era of industrial development. More and more precision mechanical instruments have high environmental requirements and need to operate under suitable temperature and humidity conditions. Refrigeration and air-conditioning equipment manufacturers can adapt to different environments required by different types of factories. Conditions to develop different types of equipment products to provide a demanding environment for industrial development. Refrigeration and air conditioning equipment provides scientists with the most suitable working environment, followed by creating the necessary low temperature conditions for their research. It is understood that, such as the Frozen Soil Research Institute, it is necessary to create different low temperatures as needed to assist scientists in completing research work. In many other places, temperature requirements may be raised, and refrigeration equipment manufacturers can go deep into practice and provide refrigeration equipment. Echo

    2019 05/22

  • Maintenance of Solenoid Valve
    The cut-off pressure difference of the angular stroke type valve is large because the resultant force of the medium on the valve core or the valve plate generates a very small torque to the rotating shaft, and therefore, it can withstand a large pressure difference. First, why does the demineralized water medium use a rubber-lined butterfly valve and a lining fluorine diaphragm valve with a short service life? Demineralized media contain low concentrations of acids or bases which are highly corrosive to rubber. The corrosion of rubber is characterized by expansion, aging, and low strength. The butterfly valve and diaphragm valve with rubber lining have poor effect, and the essence is that the rubber is not resistant to corrosion. The back-lined rubber diaphragm valve is improved to a fluorine-lined diaphragm valve with good corrosion resistance, but the diaphragm of the fluorine-lined diaphragm valve can be broken by being folded up and down, causing mechanical damage and shortening the life of the valve. The best way to do this now is to use a special ball valve for water treatment, which can be used for 5 to 8 years. For a single core, the valve stability is good when the medium is flow-opening; the stability of the valve is poor when the medium is flow-closed. The double seat valve has two spools, the lower spool is closed, and the upper spool is open. Thus, when working at a small opening, the flow-closed spool is liable to cause vibration of the valve. This is a double seat valve. Can not be used for small opening work. Second, why is the double seal valve not used as a shut-off valve? The advantage of the two-seat valve spool is the force-balanced structure, which allows a large differential pressure, and its outstanding disadvantage is that the two sealing faces cannot be in good contact at the same time, resulting in a large leak. If it is artificially and forcibly used to cut off the occasion, it is obviously not effective, even if it has made many improvements (such as double-sealed sleeve valves), it is not advisable. Cooper Second, why is the double seal valve not used as a shut-off valve? The advantage of the two-seat valve spool is the force-balanced structure, which allows a large differential pressure, and its outstanding disadvantage is that the two sealing faces cannot be in good contact at the same time, resulting in a large leak. If it is artificially and forcibly used to cut off the occasion, it is obviously not effective, even if it has made many improvements (such as double-sealed sleeve valves), it is not advisable.

    2019 05/21

  • Industrial automation is the trend. Have you been affected?
    Industrial automation is the trend. Have you been affected? Some 800 million jobs around the world could be lost to automation by 2030, according to a new forecast. The report, from the McKinsey global institute, says advances in artificial intelligence and robotics will have a huge impact on People's Daily lives and work, rivaling even the second industrial revolution that helped shift humanity from an agrarian to an industrial society. In the United States alone, between 39 million and 73 million jobs will be lost to automation, or about one-third of the workforce. But the report also points out that, as in the past, advances in technology will not be purely negative. There will be more new jobs, and now some industries will be redefined and workers will face the opportunity to change careers. The report's authors say the challenges this generation faces are how best to navigate this transition. Income inequality will increase and even lead to political instability. Those who need retraining are not college students or young people, but mostly middle-aged professionals. But the change won't be fair to everyone. For example, there are already a lot of cutting-edge technologies widely adopted today, and only 5% of jobs are done through automation. But automation will replace a third of the 60 per cent of jobs in the future. The McKinsey researchers cite a 1960s us government conclusion: "technology destroys jobs, but it doesn't work." For example, after the personal computer became popular in the United States in 1980, the invention created 18.5 million new jobs even as jobs were lost. So the same could happen to industrial robots. Despite previous reports that industrial robots could affect the employment of a significant number of workers. As with previous research on the subject, many people may be skeptical. After all, economic forecasting is not an exact science, and McKinsey researchers are keen to draw more negative conclusions. For example, the global loss of 800 million jobs should be considered as an extreme situation, the report also mentioned that the more optimistic impact range is 400 million. Of course, the study is one of the most comprehensive in recent history, modeling more than 800 occupations and surveying 46 countries that account for more than 90 percent of global GDP. The report provides a detailed analysis of six representative countries, including the United States, China, Germany, Japan, India and Mexico, which are at different stages of economic development, different economic conditions and different degrees of labor dependence. The report highlights the extent to which automation affects jobs in different countries. Advanced economies such as the United States and Germany, faced with the impact of automation and high technology, will encourage the development of automation through higher wages. The report predicts that in the United States, as the problem of an aging population worsens, employment in industries like health care will increase. Mechanical jobs, including manual labor (mechanical workers, cooks), data processing (staff, data entry) and other jobs are most easily replaced by automation technology. Even in advanced economies like the United States, automation can exacerbate social imbalances. High-paying creative cognitive jobs would have an advantage, while the demand for medium - and low-skill occupations would be significantly reduced. The end result, McKinsey says, will be "two different levels of Labour". Previous reports have reached similar conclusions, suggesting that upper-income people would be better able to adapt to a changing job market, and that social mobility would suffer as a result. Traditional jobs will be slowly phased out by automation. Echo

    2019 05/15

  • Application field of stainless steel valves
    Due to its long service life, rust-free, green and environmental protection advantages, stainless steel valves have entered industrial applications and have become a must-have valve product in various pipeline sectors. Therefore, customers must require merchants to provide stainless steel valves before purchasing them. The production and delivery certificate of stainless steel valves can also be detected by spectrometer. The spectrometer has been widely used due to its high precision and wide range of applications. Its application in the field of precious metal and stainless steel valve detection has also developed rapidly in recent years. 304, 316L valves are mainly dependent on the equipment to detect, which can reduce the purchase of unqualified products. Stainless steel valves are commonly used in applications where the working medium is corrosive, such as corrosive media, foods, pharmaceuticals, oils, liquid metals, and radioactive media. Any of these valve materials are resistant to working media corrosion. Capabilities are relatively limited and subject to many factors. If the processing technology and heat treatment process used in the manufacturing process are proper, the corrosion resistance of the material is ensured. As for the concentrated acid medium having a concentration of >98%, the steel has no corrosion resistance regardless of the heat treatment process. Therefore, when selecting valve materials such as ball valves, gate valves, globe valves, and check valves according to the nature of the working medium, it is necessary to simultaneously study the effects of various factors such as the concentration of the medium, the temperature, and the heat treatment process of the material on the corrosion resistance. Good steel materials such as 316 L, 904 or titanium valves. With the continuous development of petrochemical industry technology and scale, the requirements for petrochemical stainless steel valves are getting higher and higher, in addition to continue to improve the quality of conventional valves such as J41W stainless steel globe valves, Z41W stainless steel gate valves, etc., especially for corrosive materials Q41 F stainless steel Ball valves require more and more, such as ethylene cracking equipment, polyethylene equipment and polypropylene equipment in ethylene production, PTA equipment in chemical fiber production, polyester equipment and polyester spinning equipment, etc. In an effort to develop corrosion-resistant technology, 316L stainless steel valves are characterized by corrosion resistance, high strength, light weight and long service life. The society is increasing in the progressive industry, and the industry that can use stainless steel valve products is also increasing. New industries and new products will gradually replace cast iron valves, which will bring new opportunities for the stainless steel valve industry. The market has good development prospects.

    2019 05/13

  • Equipment and component requirements for automated production lines
    Automated production is now more and more popular, and what does every automated factory need? Introduced below: 1.The controller Automated factory brain The controller refers to a master device that changes the wiring of the main circuit or the control circuit in a predetermined order and changes the resistance value in the circuit to control the starting, speeding, braking, and reversing of the motor. It consists of a program counter, an instruction register, an instruction decoder, a timing generator, and an operation controller. It is the "decision-making body" that issues commands, that is, completes the coordination and direct operation of the entire computer system. Commonly used controllers in automation plants include plc, industrial computer, and so on. Programmable logic controller that uses a type of programmable memory for its internal program to perform user-oriented instructions such as logic operations, sequence control, timing, counting, and arithmetic operations, and through digital or analog input/output Control various types of machinery or production processes. 2.Robot Automated factory executor Robot, a robot that automatically performs work. It can accept human command, run pre-programmed procedures, or act on principles that are based on artificial intelligence techniques. Its mission is to assist or replace the work of human work, such as production, construction, or dangerous work. Robots generally consist of actuators, drives, detection devices and control systems, and complex machinery. 3.Servo motor Automated factory powered muscles A servomotor (servomotor) is an engine that controls the operation of a mechanical component in a servo system, and is an auxiliary motor indirect transmission. The servo motor can control the speed and position accuracy very accurately, and can convert the voltage signal into torque and speed to drive the control object. The servo motor rotor speed is controlled by the input signal and can react quickly. It is used as an actuator in the automatic control system, and has the characteristics of small electromechanical time constant, high linearity, and starting voltage, which can receive the received electrical signal. Converted to an angular displacement or angular velocity output on the motor shaft. Divided into two major categories of DC and AC servo motor, its main feature is that when the signal voltage is zero, there is no rotation phenomenon, and the rotation speed decreases uniformly with the increase of torque. 4.Sensor Automated factory touch The sensor is a detecting device that can sense the measured information and can transform the sensed information into an electrical signal or other required form of information output to meet the information transmission, processing, storage and display. Requirements for records, records, and controls. It is the first step in achieving automatic detection and automatic control. In modern industrial production, especially in automated production processes, various sensors are used to monitor and control the various parameters of the production process, to operate the equipment in a normal or optimal state, and to achieve the best quality of the product. Therefore, it can be said that without many excellent sensors, modern production will lose its foundation. 5.The inverter Automated factory exchanger The frequency converter is a power control device that controls the AC motor by changing the working frequency of the motor by applying frequency conversion technology and microelectronic technology. The frequency converter is mainly composed of rectification (AC to DC), filtering, inverter (DC to AC), braking unit, drive unit, and detection unit micro processing unit. The inverter adjusts the voltage and frequency of the output power supply by the breaking of the internal IGBT, and supplies the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter has many protection functions. Such as overcurrent, overvoltage, overload protection and so on. 6.Solenoid valve Automation factory switch Solenoid valves are electromagnetically controlled industrial equipment. They are the basic components for controlling fluids. They are actuators and are not limited to hydraulic and pneumatic. Used in industrial control systems to adjust the direction, flow, speed and other parameters of the media. The solenoid valve can be used with different circuits to achieve the desired control, while the precision and flexibility of the control can be guaranteed. There are many kinds of solenoid valves. Different solenoid valves play different roles in the control system. The most common ones are check valves, safety valves, directional control valves, speed control valves, etc. 7.Industrial camera Automated factory glasses Industrial cameras are a key component in machine vision systems. The most essential function is to convert optical signals into ordered electrical signals from the AFT-808 compact HD industrial camera. Industrial cameras are generally installed on the machine line instead of the human eye for measurement and judgment, and are converted into image signals by digital image pickup targets and transmitted to a dedicated image processing system. The image system performs various operations on these signals to extract features of the target, and then controls the action of the device on the spot according to the result of the discrimination. 8.Instrumentation Automation plant's conditioning system Instrumentation Instrumentation is an instrument or device used to detect, measure, observe, and calculate various physical quantities, material compositions, physical parameters, and the like. Vacuum leak detectors, pressure gauges, length gauges, microscopes, multipliers, etc. are all instruments. Various instruments and meters need to be applied in an automated factory. For example, measuring the pressure, liquid level, flow rate, temperature and other parameters required for some control processes requires relevant instrumentation. 9.Automation software The heart of an automated factory Automation Software, due to the integration of industrial control systems, makes industrial control systems connected to traditional IT management systems and the Internet, and increasingly uses common software, general hardware and general protocols. More common is the SCADA automation software. The SCADA automation system is what we call the data acquisition and monitoring system. It is mainly a system that is supported by computer technology and performs automatic control of scheduling of various production processes. SCADA automation software can automatically and accurately monitor production for a long time without being supervised, and obtain effective information data from it, providing a powerful evaluation reference for regulatory administrators. 10.Control cabinet Automation plant's central system Control Panel, control cabinet also includes many kinds, including electrical control cabinet, frequency control cabinet, low voltage control cabinet, high voltage control cabinet, water pump control cabinet, power control cabinet, explosion control cabinet, elevator control cabinet, PLC control cabinet, fire control cabinet , brick machine control cabinet and so on. The automation plant involves electrical, variable frequency, power supply, water pump and other control cabinets, and different control cabinets are selected according to different needs to achieve different control functions. Echo

    2019 05/09

  • Air conditioning can suppress global warming?
    As we all know, due to the accumulation of the greenhouse effect, the earth cannot balance energy in the cycle of cold, warm and warm, which leads to global warming. However, with the rapid increase in temperature, people are not aware of the problem. They still deforestation, burning fossil fuels, and generating a large amount of greenhouse gas carbon dioxide. If this continues, global precipitation will be redistributed and sea level will be It will rise, and in the end it may even harm people's lives. On May 6, the Global Science Magazine said scientists want to use air conditioning to curb global warming. Since the root cause of the greenhouse effect is carbon dioxide, scientists say they can use existing technology to place carbon dioxide traps inside air conditioners, collect carbon dioxide during air conditioning, and then convert carbon dioxide into renewable hydrocarbon fuels instead. Traditional fossil fuels use a large amount of carbon dioxide in the air in another way. The principle envisaged by the scientists is: according to the set module diagram, first capture carbon dioxide from the air, electrolysis, differentiation, etc. according to the counterclockwise operation process, further convert carbon dioxide into hydrocarbon fuel, store, recycle, and capture again to form a Closed net zero carbon cycle, even achieving negative emissions. The last thing to note is that although this vision can change the current air quality and provide economic development opportunities, it will face a lot of challenges in the implementation process. The space problem of storing carbon dioxide is open to question because it is possible to pollute. Water supply. In the future, air conditioners that use a large number of built-in CO2 traps may not affect the global climate, but will reduce the amount of carbon dioxide in the air. Decade

    2019 05/08

  • The development status of pneumatic technology in China
    Pneumatic system because of its simple structure, light, high reliability, long life, small fire blast, environmental pollution, the project is easy to implement, etc., with the rapid development of automation technology in the 1970 s rapid growth also, pneumatic systems have become essential basic elements in the modern industrial automation, is to achieve a variety of production control, automatic control of one of the most important means. After more than 30 years of development, China's pneumatic technology has formed a basic complete, with a relatively large scale and a certain level of technical industry system. The next five to ten years will be a critical period for the development of China's pneumatic technology, and several large leading enterprises will be formed. Understanding the gap and looking into the future is of great significance to the future development. In recent years, China's pneumatic products due to low prices, rapid export growth, in some developing countries have a certain degree of international competitiveness, but compared with the products of major international companies, the technical level and product quality is roughly equivalent to the level of foreign 10 years ago. The general technical performance of the product is acceptable, but the key technical performance such as reliability, response characteristics, precision and sensitivity still has a big gap with foreign countries. At present, several large-scale enterprises have taken shape and their competitiveness has been improved. Products from low-end manufacturing gradually to high-end equipment is penetration; Enterprises began to realize the importance of high-end talents and r&d innovation; Sales models are just beginning to shift from traditional stores to offices, and so on. Our country enterprise development already entered fast lane. However, compared with Japan, Germany and other industrial developed countries, China's pneumatic industry still has a large gap, which is mainly reflected in the following points: 1) unreasonable industrial chain structure: a large number of enterprises produce similar products, the upstream and downstream and supporting relationships are not close, access barriers are low, excessive redundant construction, low price competition. 2) unreasonable industrial structure, product structure height of the same: Chinese domestic pneumatic manufacturers in the production of pneumatic products, height of the same, are based on air source treatment, cylinder, solenoid valve, trachea, joint, and the specification and model name is also very close. In the market in the middle and low end products, the same industry low price, vicious homogenization competition is very fierce, and high-end pneumatic components manufacturing serious lack. 3) product quality needs to be improved: the quality of Chinese pneumatic products is seriously hindered by some basic parts, such as supporting cylinder profiles for pneumatic products, end cover die-casting parts, seals, springs, deburring, surface treatment technology and a series of accessories quality has not been solved. 4) the accuracy, efficiency and degree of automation of the machine tool adopted are relatively low, and the methods of assembly, process detection and ex-factory inspection are relatively backward. 5) the site management level is relatively low, the processing technology research and continuous improvement ability is weak, the standard formulation lacks experiments, and the implementation of enterprise standards is not standard enough. 6) less investment in research and development. The average r&d staff of the enterprise is less than 10, and the knowledge level is limited. The product development of the enterprise is basically centered on the current market, mainly duplicating foreign products. Cooper

    2019 05/07

  • Introduction to Mechanical Manufacturing and Automation Technology
    The meaning of chemical machinery design and manufacturing and its automated production Mechanical manufacturing is the general term for all kinds of manufacturing equipment. In the design of equipment, it is required to make precise optimization for all relevant items. It uses advanced technical documents to provide feasibility technical analysis for all processes of manufacturing, and at the same time, the equipment is running. Related auxiliary work, including lubrication, mechanism operation and material selection. The design and manufacture of chemical machinery includes the process of machining, the transformation and operation of modern technology and a series of related technical requirements. This discipline covers a wide range of topics, including mechanics, mechanical mapping, and electronic information technology. The meaning of mechanical manufacturing and its automation technology Regarding the design and manufacture of chemical machinery and its automation technology, in the 1990s, the International Federation of Mechanical and Institutional Theory has given a definition, which refers to the system idea, electronic control system and precision machining technology in the manufacturing process of mechanical products. In the integration of coordinated development, the basic characteristics of chemical machinery design and manufacturing automation technology is mainly to take the system as the starting point of technology application, integrate information technology, microelectronic technology and various software technologies into one, optimize organizational combination and realize the function of the system. Automation, while ensuring that the entire system is optimized, in line with the trend of the times. To meet the needs of social development, we must achieve low energy consumption, multi-function and high reliability. Development of chemical machinery design, manufacturing and automation All industrial production companies can use chemical machinery design and manufacturing and automation technology to control production equipment and improve production efficiency. At the same time, enterprises are constantly developing new technologies. At present, China's machinery manufacturing technology has become increasingly mature and can meet the production needs of most enterprises. For those small and medium-sized production enterprises, the introduction of mechanical manufacturing automation equipment can greatly change the production efficiency of the enterprise, not only improve the production efficiency but also ensure the quality of the product. In addition, advanced manufacturing technologies can effectively save energy consumption and protect the environment. Decade

    2019 05/05

  • Performance comparison of pneumatic control valve and hydraulic valve
    (I) different energy sources Pneumatic components and devices can adopt the method of centralized air supply from air pressure station to adjust the working pressure of their respective pressure reducing valves according to different requirements and control points. Hydraulic valves are equipped with oil return pipeline, easy to collect used hydraulic oil tank. Pneumatic control valve can be directly through the exhaust port to the compressed air into the atmosphere. (ii) different requirements for leakage Hydraulic valves are critical for outward leakage, but allow a small amount of leakage within components. For pneumatic control valves, except the gap seal valve, in principle, do not allow internal leakage. The internal leakage of pneumatic valve may lead to accident. For pneumatic pipes, a little leakage is allowed; And the leakage of hydraulic pipeline will cause the system pressure drop and environmental pollution. (3) different requirements for lubrication The working medium of the hydraulic system is hydraulic oil, and there is no requirement for lubrication of the hydraulic valve. Pneumatic system medium for the air, the air is not lubricity, so many pneumatic valves need oil mist lubrication. Valve parts should be selected not prone to water corrosion of the material, or take necessary anti-rust measures. (iv) different pressure ranges Pneumatic valve operating pressure range is lower than the hydraulic valve. Pneumatic valve working pressure is usually less than 10bar, a few up to 40bar. But the working pressure of hydraulic valve is very high (usually within 50Mpa). If the pneumatic valve in excess of the maximum allowable pressure to use. Serious accidents tend to happen. (v) different features of use General pneumatic valve than hydraulic valve structure compact, light weight, easy to integrate installation, valve working frequency, long service life. Pneumatic valve is developing towards the direction of low power and miniaturization. Low-power solenoid valve with only 0.5w power has appeared. Can be directly connected with the microcomputer and PLC programmable controller, also can be installed with electronic devices on the printed circuit board, through the standard board connected with ventilation circuit, save a lot of wiring, suitable for pneumatic industrial manipulator, complex manufacturing assembly line and other occasions. Cooper

    2019 05/05

  • The way to integrate industrial robots with CNC machine tools
    In the field of CNC machine tool processing applications, the fusion application of China's machine tool loading and unloading robots and CNC machine tools has been at the forefront of development. From the perspective of industry application, there have also been major changes: (1) Working island: single-pair single-competition plus single-to-many online processing. (2) Flexible Manufacturing System (FMS): Based on the network control of the flexible machine plus line, the PLC control platform is used to connect multiple robots, multiple CNC machine tools and their auxiliary equipment through the industrial Ethernet bus. The beat is performed in an orderly automatic production. (3) Digital workshop: With CADCAMCAPPSMES auxiliary production tools, logistics technology and sensing technology, it has the functions of production process monitoring, online fault real-time feedback, processing technology data management, tool information management, equipment maintenance data management, product information recording, etc. Unmanned processing requirements, to achieve production planning, operational coordination and optimization of the processing system. (4) Smart Factory: With the intelligent workshop layout and ERP information management system, it will maximize the innovation of traditional production methods. The database of the information management system can interface with various external information systems through the gateway, connect the workshop to the ERP system, query the production status of the workshop, and realize the efficient configuration of enterprise resources; with its SMS platform and mail platform, the administrator can conduct the information to the administrator. Real-time reporting of equipment failures, production schedules, etc. With the rise of labor costs, lack of skilled talents, high-risk environmental protection, and high-intensity operations, industrial robots have been widely recognized and used in production and have become the focus of social attention. The government is also taking this to promote industrial transformation and upgrading. Enterprises use it to carry out technological transformation, transform production methods and improve operational efficiency. However, China's robot possession is not large, national brands are still under cultivation, and comprehensive competitiveness needs to be improved. So, what kind of model will the robot industry move forward? At this stage, there is a need for the coordinated development of the robotic machine enterprise, the key component suppliers of robots, and the industrial chain of robot integrators. The way to integrate industrial robots with CNC machine tools The robot participates in the machining and manufacturing of the machine tool parts to realize automation. The special machine tool serves the precision machining of the robot-specific reducer, improves the processing quality and mass production efficiency, etc., and has a great space for integration and development. With the strategic cooperation between the two companies, robot companies can achieve the following goals by means of the manufacturing and process technology capabilities of machine tool manufacturers: (1) Robot-oriented body castings and reducer structural parts, jointly research and form batch precision manufacturing technology, improve the batch production capacity and process level of robots, overcome reliability and consistency technology, and achieve efficient, stable and precise beat production. (2) Facing the integration ability of robot tooling, fixtures and machine production lines, and entrusting the promotion of application robots by means of the channel resources of the majority of end machine customers of major machine tool factories. (3) Research and development of industrial robots for machine bed sheet machines and production line cutting and parts handling, scraping, chamfering, polishing, welding, spraying (powder) and other automation, flexible production, machine tool enterprises and industrial robot companies To realize the automatic processing of the whole machine parts and promote the technical level of machine tool manufacturing. (4) The key components of the mechanical body of the industrial robot, such as the turntable, the boom, the box, the support sleeve, the arm, the wrist, etc., the dimensional accuracy and the shape tolerance are all required to be high, for the machining equipment, fixtures, The gauges and the like have high requirements; the structural optimization and processing of key components such as the cycloidal tooth housing, the planetary pin wheel, the eccentric shaft and the planet carrier of the robot reducer. Echo

    2019 05/05

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