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Pneumatic diaphragm pump working principle, structure characteristics and application are introduced

by:J&T     2020-06-22
Pneumatic diaphragm pump is common in the production, for the use of pneumatic diaphragm pump performance and is suitable for any occasion to use it is necessary to understand; A, the working principle of pneumatic diaphragm pump: in two symmetrical work of pump cavity, each equipped with a piece of elastic diaphragm, become an organic whole repeatedly connecting rod will be two pieces of the diaphragm, the compressed air from the pump inlet joint in high-pressure air, after pushing two working chamber of the diaphragm movement, driving connecting rod connecting the two pieces of diaphragm synchronous movement. At the same time, another working chamber of the gas discharge from behind the diaphragm pump, once they have arrived at their trip destination is automatically to valve-train compression air cavity is another work, push the diaphragm in the opposite direction, thus formed the two synchronous reciprocating movement of the diaphragm. Each working cavity and two one-way valves, the reciprocating movement of the diaphragm, working content caused the change of the product, forcing two one-way valves open and close alternately, forcing the liquid continuous suction and discharge. Pneumatic diaphragm pump is a new type of conveying machinery, using compressed air as power source, using the diaphragm put work back and forth inside the cylinder body, achieve the aim of all kinds of medium. Suitable for conveying various corrosive, with particles of liquid, as well as high and clear degree, volatile, flammable, poisonous liquid. Second, pneumatic diaphragm pump according to the material points: 1, the selection of shell materials are: aluminum alloy, cast iron, stainless steel. Eyes 2, selection of membrane materials are: butyl rubber, chloroprene rubber, fluorine rubber, ptfe. Three, the characteristics of pneumatic diaphragm water pump: 1, simple structure, less wearing parts. Diaphragm water pump has simple structure, easy installation, maintenance. transmission medium will not come into contact with the distribution valve, connecting rod, such as the moving parts, to avoid the corrosion and wear and tear parts. 2, do not need irrigation water diversion, up to 7 m, suction lift up to 50 m, outlet pressure) 6公斤/ CmZ。 3, good flow property, allows particles up to 10 mm in diameter. O may transport the liquid. When pumping mud, impurities, the pump wear little. 4, can be submerged in the medium instead of submersible pump pumping liquid. 5, open, stop the pump when operating in a open and closed gas valve. Even if long time no medium due to unexpected pumping or sudden stop, the water pump will not be damaged. Once the overload, the pump will automatically stop, have ability of self protection. When the load is back to normal after, can automatically start running again. 6, head and flow rate can be adjusted by the valve opening, Air pressure adjustment in a 7 KGF/l) between cmZ 。 7, do not use the oil lubrication, even if the idling, is without any effect on the pump. 8, do not use the power source, can be used in inflammable and explosive places, safe and reliable. 9, the pump not rotating parts, no shaft seal. By a pair of the reciprocating movement of the diaphragm, pumping a variety of media, because of the moving parts of the pump and the working medium separated completely, so they don't leak outward transport medium, avoids the environmental pollution and bodily harm. Four, which USES: 1, to suction various chemical etchant, oil, mud, cleaning oil dirties, various kinds of wastewater. 2, to suction various toxic, flammable, volatile liquid. 3, can pump all kinds of strong acid, strong alkali, strong corrosive liquid. 4, can pump all kinds of high temperature liquid, high temperature resistant to 150 ℃. 5, can be used as a variety of solid-liquid separation equipment of pressure equipment level before sending.
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