FIELD: engines and pumps.
SUBSTANCE: invention relates to a boiler pump comprising a pump housing having a space formed therein and bounded by its end surfaces and its side surfaces extending from the end surfaces, inlet hole for heat water (HW) flowing through it inside space and outlet hole for air outlet from space. Housing has a guide comprising a base portion located opposite the end surface inside the pump housing and having a through hole for passing therethrough HW towards the impeller, and a guide portion protruding from the base portion towards the end surface and made longitudinally bent along the periphery of the through hole for guiding HW, flowing in through the inlet hole for HW, so that HW flows along longitudinal direction when passing through space between outer and side surfaces and then directed to through hole. Body has at least one rib protruding from the outer surface of the guide part.
EFFECT: invention is aimed at improvement of efficiency of gas and water separation and reduction of cavitation.
8 cl, 4 dwg
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