WFB self-priming pump operation principle is what

WFB self-priming pump operation principle

WFB self-priming water pump is a pump don't need to add water or vacuum before launch, launched by the short time after operation, relying on the pump itself, suck up the water and the normal operation of a pump that WFB self-priming pump the first hydraulic components of the impeller and pump casing and general WFB self-priming pump, pump chamber increases the liquid storage chamber and water separation chamber.

WFB self-priming water pump first by the pump body, vice impeller, pump shaft, the motor bracket, electric control valves, parking of check valves and other equipment. Operation principle of gas liquid hybrid, in front of the pump operation, there is a certain amount of liquid in the pump body, pump after launch, the rotation of the impeller role due to homework, make into the liquid tube air mixed with liquid in the pump body fully, and have been to the gas-liquid separation chamber, gas-liquid separation indoor air from the upper escape, fluid returning from the lower impeller imports, and again into the liquid pipe residual air mixing, cycle, until all the air in liquid into the tube row, end imbibition.

WFB self-priming pump, vice impeller dynamic sealing principle: vice impeller impeller upper part of the operation, operation time and operation rotating impeller, its function is to reduce the pressure of the pump cavity, to balance the axial force and avoid the liquid into the sealing equipment. Vice impeller is relying on the impeller outlet pressure to resist homework high pressure liquid leak outward, vice impeller when stop doesn't work, so it is necessary to stop the machine equipment sealed, avoid the water drain pump chamber. Because the WFB self-priming pump pump cavity of hydraulic loss than ordinary WFB self-priming pump, so with relatively large power.

WFB self-priming pump electric control valve as the WFB self-priming water pump part of installed on the suction inlet of air inlet pipe, and the electric control valve is closed when the pump inlet on the pump body pipettes, make the WFB self-priming pump vacuum pump cavity formation, self-priming end process. Stop pump electric control valve opens, and the air from the silence into the WFB self-priming pump fluid tube agile isolation aspirating tube flow medium, ensure the pump cavity of dielectric medium with pipettes cavity down to absorb liquid pool, to reach the purpose of eliminating siphon, ensure that WFB self-priming pump secondary self-priming self-priming and operating normally, when the WFB self-priming pump outlet check valve is closed by backwater gravity after downtime, make the liquid in the pump cavity will not flow out.

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