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 Application Scope and Theory of Pneumatic Diaphragm PumpModerators: Moderators Jump to page : 1 Now viewing page 1 [25 messages per page] | View previous thread :: View next thread |
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hhm1020 |
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Expert Yogi Posts: 8285      | Application Scope and Theory of Pneumatic Diaphragm Pump Pneumatic diaphragm pump is a new type of conveying machinery, which is the latest novel pump. Compressed air is used as the power source, and all kinds of corrosive liquids, liquids with particles, high viscosity, volatile, flammable and highly toxic liquids can be pumped out. Pneumatic diaphragm pump has four materials: plastic, aluminum alloy, cast iron and stainless steel. The diaphragm pump adopts NBR, neoprene, fluororubber, polytetrafluoroethylene and polytetraethylene according to different liquid media. To meet the needs of different users. Anton has achieved satisfactory results in various special occasions when it is used to pump media that cannot be pumped by conventional pumps. 1? Applicable occasions of pneumatic diaphragm pump Because the pneumatic diaphragm pump has the above characteristics, the diaphragm pump in the world is gradually invading the market of other pumps since its birth, and has a part of it. For example, diaphragm pumps have occupied an absolute leading position in the paint and ceramic industries, while in other industries, such as environmental protection, wastewater treatment, construction, sewage discharge, and fine chemicals, they are expanding their market share and have an irreplaceable position in other pumps. The upper wind of pneumatic diaphragm pump is: 1. Because it is powered by air, the flow is automatically adjusted with the change of back pressure (outlet resistance), which is suitable for medium and high viscosity fluids. The working point of the centrifugal pump is set based on water. If it is used for the fluid with higher viscosity, it needs to be equipped with a reducer or a frequency converter. The cost has been greatly improved, and the same is true for gear pumps. 2. In flammable and explosive environment, pneumatic pump is reliable and low cost. For example, the transportation of fuel, explosives and gunpowder, because: first, it is impossible to generate sparks after grounding; Second, there is no heat generated during operation, and the machine will not overheat; Third, the fluid will not overheat because the diaphragm pump has the smallest agitation to the fluid. 3. In places where the construction site is bad, such as construction sites, industrial and mining sites Wastewater discharge, because the impurities in the sewage are many and the composition is complex, the pipeline is easy to be blocked, so the load on the electric pump is too high, and the motor is vulnerable to heat. The pneumatic diaphragm pump can pass the particles and the flow is adjustable. When the pipe is blocked, it will stop automatically until it is smooth. 4. In addition, the diaphragm pump is small and easy to move, does not need a foundation, occupies a very small area, and is simple and economical to install. It can be used as a mobile material delivery pump. 5. In the treatment of hazardous and corrosive materials, the diaphragm pump can completely isolate the materials from the outside world. 6. Or some tests ensure that there is no impurity polluting the raw materials. 7. It can be used to transport fluids with relatively stable chemical properties, such as photosensitive materials, flocculating liquid, etc. This is due to the low shear force of the diaphragm pump, which has little physical impact on the material. 2? Working principle of pneumatic diaphragm pump The pneumatic diaphragm pump is a positive displacement pump that changes the volume due to the reciprocating deformation of the diaphragm. Its working principle is similar to that of the plunger pump. Because of the characteristics of the working principle of the diaphragm pump, the diaphragm pump has the following characteristics: (1) The pump will not overheat: driven by compressed air, the exhaust is a process of expansion and heat absorption. The temperature of the pneumatic pump is reduced when it works, and no harmful gas is discharged. (2) No electric spark: the pneumatic diaphragm pump is not powered by electricity, and it prevents electrostatic spark after grounding (3) It can pass the liquid containing particles: since the volumetric operation and the inlet is a ball valve, it is not easy to be blocked. (4) Extremely low shearing force on materials: how to suck in and how to spit out when working, so the stirring of materials is minimal, which is applicable to the transportation of undisturbed materials (5) The flow is adjustable. A throttle valve can be installed at the material outlet to adjust the flow. (6) It has the function of self-priming. (7) It can run empty without danger. (  It can work by diving. (9) It can transport a wide range of fluids, from low viscosity to high viscosity, from erosive to viscous. (10) No complex control system, no cables, fuses, etc. (11) Small size, light weight, easy to move. (12) No lubrication is required, so the maintenance is simple, and the working environment will not be polluted due to leakage. (13) The pump is always efficient and will not be reduced due to wear. (14) 100% energy utilization. When the outlet is closed, the pump automatically stops, and the equipment moves, wears, overloads, and has a fever The water ring vacuum pump produces too much waste water and the treatment cost is too high. What is a good solution? | ||
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