FIELD: water treatment.
SUBSTANCE: invention relates to the area of waste water pumping apparatuses. The apparatus is comprised of a container for collecting the medium and no less than one centrifugal pump with an impeller for pumping the medium from the container, as well as a grinding apparatus. The grinding apparatus has a rotating element engaging with a fixed element for grinding solid impurities in the medium. The fixed element is located on the inner side of the body part of the centrifugal pump. The body part is connected with the container with form closure.
EFFECT: prevention of blockages, safe sealing against leaks of collected waste water and odors, easy assembly and increased durability are provided.
9 cl, 4 dwg
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