Water pump device with self-absorption function

Abstract

A water pump device with a self-absorption function comprises a water pump (1), a vacuum generating device (2), a steam separator (3), a water return device (4), a gas pipe (5), a water inlet pipe (6) and a water outlet pipe (7), wherein the water pump (1), the vacuum generating device (2), the steam separator (3), the water return device (4), the gas pipe (5), the water inlet pipe (6) and the water outlet pipe (7) are connected into a whole, the vacuum generating device (2) comprises a pipeline (8) and a water inlet control valve (9), the steam separator (3) comprises an inlet section (10), an outlet section (11), a main body section (12) and a water return port (13), and the water return device (4) comprises a water return control valve (1) and a water return pipe (15). The water pump device with the self-absorption function has the advantages of being simple in structure, low in cost, simple in operation and good in self-absorption effect. Water is reserved in the water pump device with the self-absorption function after the water pump stops operating, and therefore rewatering is not needed when the water pump is started next time.

Description

technical field [0001] The invention belongs to the technical field of fluid machinery, in particular to a water pump device with a self-priming function. Background technique [0002] For centrifugal pumps and volute mixed flow pumps, the impeller is often above the water surface, so it must be filled with water before operation. The traditional methods to solve this problem mainly include self-priming by self-priming pump, lifting water by vacuum tank, setting bottom valve for manual irrigation, and vacuuming by vacuum pump. Among the above methods, except the vacuum pump lifting water, other methods have a great impact on the operating efficiency of the water pump, which is not conducive to the economical operation of the water pump, and is generally only used in small water pumps. Although the vacuum pumping method does not affect the operation efficiency of the water pump, it needs to install a vacuum pump separately, which has the disadvantages of cumbersome operation...

AI Technical Summary

Problems solved by technology

Among the above methods, except for lifting water by vacuum pump, other methods have a great impact on the operating efficiency of the pump, which is not conducive to the economical operation of the pump, and is generally only used in small water pumps.

Although the vacuum pumping method does not affect the operation efficiency of the water pump, it needs to install a vacuum pump separately, which has the disadvantages of cumbersome operation and high cost.

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