| 摘要 |
Disclosed is an insert for a centrifugal pump comprising two side parts (26, 28) joined together so that the pump insert contains a main pump chamber (34), an inlet opening passing to the main pump chamber (34), and an outlet channel (38) passing from the main pump chamber, the main pump chamber (34) and the outlet channel (38) with inner peripheral surfaces (37, 39), an adaptor part with an adaptor surface (40) between the inner peripheral surfaces (37, 39) of the pump chamber (34) and the outlet channel (38) and including a cutwater (41), each of side parts (26, 28) comprising a part of the main pump chamber (34), a part of the outlet channel (38) and a part of the adaptor part, and each part of the adaptor part has a reinforcement (50) joined with it and including a protrusion (52) on one of the parts of the adaptor part and a respective recess (54) on another of the parts of the adaptor part, the protrusion (52) being placed in the recess (54) as the side parts are connected with each other. Also disclosed are a method for mounting the insert inside a centrifugal pump according to which the insert is mounted inside the external casing of the pump, and a centrifugal pump having such pump insert. |
