FIELD: construction.
SUBSTANCE: invention pertains to water supply. Self - priming water lifting plant includes priming water pipe with installed thereon reverse inlet valve, impeller pump, flood manhole, pressure pipeline. It is equipped with intake vessel arranged between priming pipeline and impeller pump, pressure vessel set between the impeller pump and pressure pipeline. Impeller pump exhausts water from the intake vessel, forces it into the pressure vessel through the pressure jet and supplies it through the pressure valve into the downstream pipeline to the consumer. Besides, design of the pressure vessel presupposes overflow of the water through the pressure jet and the case of the impeller pump into the intake vessel displacing gases into the pressure pipeline by spill jet and spill valve.
EFFECT: ensured stable operation of the device.
2 cl, 1 dwg
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