ZW-type self-suction sewage pump works: The pump body is provided with a storage chamber, and through the top of the return hole and the lower circulation hole communicating with the pump working chamber to form a pump axial plus flow external mixing system. ZW-type self-priming sewage pump stop working, the pump cavity has been stored a certain volume of liquid. When the pump starts, the relevant authorities in the liquid under the action of the impeller, the entrained air is thrown up, the liquid through the gas-liquid separation pipe grid back to the working chamber, the gas is discharged from the pump, the pump to form a certain The degree of vacuum to achieve the role of self-absorption. ZW series of self-priming sewage pumps are widely used in the factory business serious pollution of wastewater discharge, the main house of the sewage discharge stations, urban sewage treatment plant dispatch system, civil air defense system drainage station, water plant water supply equipment, hospitals, hotels sewage discharge , Municipal engineering construction sites, mining auxiliary machine, rural biogas digesters, irrigation and other industries, conveyor belt particles of sewage, dirt, can also be used for water and with weak corrosive media.
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