HELICAL LIQUID RING PUMP WITH BUILT-IN GRINDER Russian patent published in 2016 - IPC B02C18/00 F04C7/00 F04C15/06 E03F1/00 F04D7/04 

FIELD: pumps.

SUBSTANCE: invention relates to a helical liquid ring pump with a built-in grinder. Helical liquid ring pump (1) includes housing (3) with inlet and outlet parts (5), (7) and spiral helical rotor (4), which is installed inside housing (3) with the possibility of rotation and which on one end being the inlet end of housing (3) is equipped with grinder (11) and on the opposite end being the output end of housing (3) is connected with pressure chamber (6). Rotor (4) is installed on shaft (18), which is connected to a drive being a motor. Grinder (11) contains rotor blade (12) connected to the inlet end of rotor (4) and fixed blade (13) connected to cover (15) of grinder (11) body. Each blade has cutting elements or blades. Rotor blade (12) is made with the possibility of free rotation inside fixed blade (13) during operation of the pump. Each cutting element of blade (12) has cutting edge or blade (20) made on curved blade (21), so that the blade has the shape of the pump impeller and facilitates the passage of liquid through grinder (11).

EFFECT: invention is aimed at increasing the pump efficiency.

5 cl, 7 dwg