Working principle and precautions of multifunctional pneumatic diaphragm pump

Working principle of multi-purpose pneumatic diaphragm pump: 1 Compressed air as power 2 It is a kind of positive displacement pump with volume change caused by reciprocating deformation of diaphragm Its working principle is similar to that of plunger pump Because of the characteristics of the working principle of diaphragm pump, the diaphragm pump has the following characteristics: (1) the pump will not overheat: the compressed air is used as power, and it is a process of expansion and heat absorption when exhausting, and the temperature of the pneumatic pump is reduced when it works, and no harmful gas is discharged (2) No electric spark: pneumatic diaphragm pump does not use electric power as power, and prevents electrostatic spark after grounding (3) It can pass through the liquid containing particles: because the volume type work and the inlet is a ball valve, it is not easy to be blocked (4) Very low shearing force on materials: how to inhale and how to spit out when working, so the agitation Zui of materials is small, which is suitable for the transportation of unstable materials (5) The flow can be adjusted, and a throttle valve can be installed at the outlet of the material to adjust the flow (6) It has self-priming function (7) It can run empty without danger (8) Can dive to work (9) Can transport a wide range of fluids, from low viscosity to high viscosity, from corrosive to viscous (10) No complex control system, no cables, fuses, etc (11) Small size, light weight, easy to move (12) No need for lubrication, so it is easy to maintain and will not pollute the working environment due to leakage (13) The pump is always maintained and will not be reduced due to wear (14) When the outlet is closed, the pump will stop automatically, and the equipment will move, wear, overload and heat When the outlet is opened, the pump will start automatically (15) There is no dynamic seal, so the maintenance is simple and the leakage is avoided There is no dead point at work Precautions for operation and operation of multi-purpose pneumatic diaphragm pump: 1 Ensure that the Zui large particles contained in the fluid do not exceed the Zui large safe particle diameter standard of the pump 2 The intake pressure shall not exceed the Zui high allowable use pressure of the pump The compressed air higher than the rated pressure may cause personal injury, property loss and damage to the performance of the pump 3 Ensure that the pump pressure pipeline system can withstand the high output pressure of Zui, and ensure the cleanness and normal working conditions of the drive gas system 4 Electrostatic spark may cause personal injury and property loss due to explosion Use wire with sufficient cross-sectional area as required, and properly and reliably ground the grounding screw on the pump 5 The grounding requirements shall meet the requirements of local laws and regulations as well as some special requirements on site 6 Fasten the pump and all connecting pipe joints to prevent electrostatic sparks due to vibration impact Use antistatic hose 7 To periodically check and test the reliability of the grounding system, the grounding resistance is required to be less than 100 ohms 8 Keep good exhaust and ventilation, away from inflammable, explosive and heat source 9 The exhaust of the pump may contain solids Do not face the exhaust port to the work area or people, so as to avoid personal injury 10 When the diaphragm fails, the delivered material will be ejected from the exhaust muffler 11 When transporting flammable and toxic fluid, please connect the drain to a safe place away from the working area 12 Please use a pipe with a smooth inner wall of at least 3 / 8 "inner diameter to connect the exhaust port and muffler 13 The high pressure of the fluid may cause serious personal injury and property loss Please do not carry out any maintenance work on the pump and the material pipe system when the pump is pressurized If maintenance is needed, first cut off the air inlet of the pump, open the bypass pressure relief mechanism to relieve the pressure of the pipeline system, and slowly loosen the connected pipe joints 14 Please do not send the pump directly to the manufacturer for repair Properly handle according to the local laws and regulations, and use the pure accessories of Shanghai wangquan Pump Co., Ltd to ensure the service life 15 For the liquid transportation part, the pump made of aluminum alloy material should not be used to transport Fe3 + containing liquid, halogenated hydrocarbon and other halogenated hydrocarbon solvents, which will produce corrosion and cause the pump body to burst 16 Ensure that all parts contacting the conveyor body will not be damaged by the corrosion of the conveying fluid 17、 Ensure that all operators are familiar with the operation and use of the pump and master the safety precautions If necessary, provide necessary protective equipment 18 Use the pump correctly, do not allow long-term idling.