Diaphragm pump principle of operation Overview: Diaphragm pump driven by the power source through the transmission mechanism to promote the movement of the piston, after the hydraulic oil to promote the diaphragm back and forth motion, to complete the fluid inhalation and discharge. This process of aspiration and discharge is called diaphragm pump operation. When the diaphragm pump piston to the back when the diaphragm gradually concave to go, the larger the volume of the diaphragm pump chamber, the pressure will be reduced, when the pressure is lower than the inlet pipe pressure, the pump inlet valve open , The fluid flows into the diaphragm pump chamber. Lou Pistons move to the end point, the pump chamber volume reached the maximum pressure to a minimum, the fluid filled the diaphragm pump chamber, then the inlet valve closed. Inhalation process is completed, the beginning of the extrusion process. When the piston moves forward, the diaphragm slowly bulging training, diaphragm pump chamber volume smaller and smaller, the cavity pressure is getting bigger, the outlet valve is pressed open, the fluid is forced out of the pump chamber, when the piston reaches Outside the stop, the outlet valve closed due to gravity and spring force, the fluid discharge process is over, the diaphragm pump began a new inhalation process. Lou is not inhaled and discharged, the diaphragm pump to complete the purpose of conveying fluid. Harden diaphragm pumps are divided into pneumatic diaphragm pumps and electric diaphragm pumps. The corresponding working principle and characteristics are as follows: Pneumatic diaphragm pump working principle and characteristics Overview: 1, compressed air as the driving force. 2, is a volumetric displacement pump caused by reciprocating deformation of the diaphragm, its working principle is similar to the plunger pump, pneumatic diaphragm pump has the following characteristics because of the working principle of the pneumatic diaphragm pump: (1) the pump will not overheat : 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: Lithium-ion pneumatic diaphragm pump without electricity for power, grounding and then to prevent static sparks (3) can contain particles of liquid: because 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 the work and how to spit it out, so the material agitation is minimal, which is suitable for the transportation of unstable substances (5) The flow rate can be adjusted, and the section can be installed at the exit of the material Flow valve to regulate flow. (6) Self-priming function. (7) Can be air operated 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, shut down the outlet, the pump automatically shut down, the device moves, wear, overload, fever (15) no dynamic seal, easy maintenance to avoid leakage. No dead spots at work. Electric diaphragm pump working principle and features Overview: Motor (4) through the gear box (3) driven left and right plunger above the diaphragm (2) one after the other reciprocating motion. In both the left and right pump chambers, the movement of the diaphragm with the upper and lower four one-way ball valves (1), resulting in a change in the volume within the working chamber, forces the four one-way ball valves to alternately open and close to continuously draw liquid And discharged. 1: compact structure, small size, light weight, easy assembly and disassembly; 2: transmission efficiency; 3: smooth operation, low noise; 4: long service life; 5: no leakage of transmission medium; 6: ; 7: No irrigation, can self-absorption; 8: Through the performance, large particles of impurities, such as mud can be easily passed; 9: According to different media, divided into neoprene membrane sealant, fluorine rubber, NBR, PTFE, fully meet the needs of different users. Flow components can also be based on user requirements, divided into stainless steel, rubber lining, aluminum alloy, the machine is divided into ordinary type and explosion-proof type.
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