Emergency diesel pump 6 inch diameter large flow sewage pumping

Self-priming pump

Self-priming pump---is a hydraulic machinery used for pumping water, by the pump body, rotating assembly, faucet assembly, exhaust miscellaneous cover, and inlet pipe, outlet pipe, block net assembly; Start the motor, power linkage, rotating assembly under the impeller centrifugal drive, bubbles surge upward, generating suction, air inlet pipe, through the outlet pipe discharged from the pump body, air exhaust, water outlet pipe outflow, the pump, excellent performance, suction depth, flow rate, operation time saving, is the best in the real world pump machinery

operating principle

 Self-priming  pump is a pump commonly used in electroplating and chemical industry. Before starting the pump, proper amount of liquid is poured into the pump body (submerges the impeller), the reflux valve is opened, the pressure chamber is communicated with the suction chamber, after the impeller rotates, the liquid in the suction chamber and the impeller is transported to the pressure chamber through the impeller, negative pressure is formed at the inlet of the impeller, the pressure in the suction pipeline is higher than that in the suction chamber, so that the suction valve is opened, the gas in the suction pipeline enters the impeller through suction, and the liquid in the pressure chamber passes through the reflux valve hole, the suction chamber, And sucked to the impeller inlet for gas-liquid mixing, impeller and gas-liquid mixture delivered to the pressure chamber, because the gas-liquid separation chamber volume is large enough, so that the flow rate is reduced, depending on the different specific gravity of liquid and gas for gas-liquid separation, gas is discharged through the pressure pipe, liquid is sucked into the impeller through the reflux valve hole and mixed with gas, in turn circulation, until the gas in the suction pipe is exhausted, then the self-priming pump will complete the self-suction process and achieve normal work.