Pneumatic diaphragm pump is a new type of conveying machinery, is currently the most novel kind of pump. The use of compressed air as the power source, for a variety of corrosive liquids, with particles of liquid, high viscosity, volatile, flammable, highly toxic liquid can be smoked exhausted. Pneumatic diaphragm pump Pneumatic diaphragm pump has four materials: plastic, aluminum, cast iron, stainless steel. Diaphragm pumps are based on different liquid medium were nitrile rubber, neoprene, fluorine rubber, PTFE, polyhexamethylene. To meet the needs of different users. Placed in a variety of special occasions, used to pump a conventional pump can not be aspirated medium, have achieved satisfactory results. First, the pneumatic diaphragm pump applications Occasions pneumatic diaphragm pump has the above characteristics, so in the world since the birth of the diaphragm pump is gradually invaded other pump market, and occupy part of them. Such as: paint, diaphragm pumps in the ceramic industry has occupied an absolute dominance, while in other industries, such as environmental protection, wastewater treatment, construction, sewage, fine chemicals is expanding its market share, and has other pumps irreplaceable Position. Pneumatic diaphragm pump has the following advantages: 1, due to the use of air as power, so the flow rate with the back pressure (outlet resistance) changes automatically adjusted for the viscosity of the fluid. Centrifugal pump operating point is set on the basis of water, if used for slightly higher viscosity fluid, you need to support reducer or inverter, the cost has greatly improved, the same is true of the gear pump. 2, in a flammable and explosive environment with pneumatic pump reliable and low cost, such as fuel, gunpowder, explosives, because: First, the ground is not likely to spark; second, no heat during work, the machine is not Will overheat; thirdly, the fluid will not overheat because the diaphragm pump agitates the fluid to a minimum. 3, poor construction sites, such as construction sites, industrial and mining wastewater discharge, due to the impurities in the sewage and the composition of complex, easy to plug the pipeline, so the formation of the pump on the load is too high, the motor heat vulnerable. Pneumatic diaphragm pump through the particles and the flow rate can be adjusted, the pipeline automatically stop blocked to patency. 4, the other diaphragm pump is small and easy to move, do not need the foundation, accounting for the ground is extremely small, easy and economical installation. Can be used as mobile material transfer pump. 5, in a hazardous, corrosive material handling, diaphragm pump can be completely separated from the outside world. 6, or some experiments to ensure that no impurities pollute the raw materials. Pneumatic diaphragm pump principle 7, can be used to transport more unstable chemical properties of fluids, such as: photographic materials, such as flocculation. This is because diaphragm pumps have low shear forces and little physical impact on the material. Second, the working principle of pneumatic diaphragm pump 1, pneumatic diaphragm pump is compressed air for power. 2, the pneumatic diaphragm pump is a volumetric displacement pump caused by the reciprocating deformation of the diaphragm, its working principle is similar to the piston pump, the diaphragm pump has the following characteristics because of the working principle of the diaphragm pump: (1) the pump will not Overheating: compressed air as a driving force, when the exhaust is an expansion of heat absorption process, the temperature is reduced when the pneumatic pump work, no harmful gases discharged. (2) does not produce sparks: pneumatic diaphragm pump without electricity as power, grounding and then prevent the electrostatic spark. (3) can contain particles of liquid: Because of the volume of work and imports for the ball valve, so it is not easy to be blocked. (4) Extremely low shear force on the material: how to suck in and how to spit out at work, so the material agitation is minimal, which is suitable for the transportation of unstable materials. (5) flow rate can be adjusted at the exit of the material to install a throttle to regulate the flow. (6) Self-priming function. Pneumatic Diaphragm Pumps Principle Animations (7) Can be operated in air without danger. (8) can dive work. (9) The fluids that can be delivered are extremely wide, ranging from low viscosity to high viscosity, from corrosive to viscous. (10) There is no complicated control system, no cables, fuses and so on. (11) small size, light weight, easy to move. (12) Maintenance is easy without lubrication, and will not pollute the work environment due to drip. (13) The pump is always efficient and will not be reduced by wear. (14) 100% energy utilization, when the exit is closed, the pump will stop automatically, the equipment will move, wear, overload and fever. (15) There is no dynamic seal, easy maintenance to avoid leakage. No dead spots at work.
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