Single-stage single suction cantilever corrosion resisting pump

The utility model relates to a single-stage single suction cantilever corrosion resistant centrifugal pump. The inner part of a pump housing is provided with the impeller of an actinoid straight blade which has the same shaft center as the pump housing. The outlet pipe of the pump is a diffuse conical tube, and the extension line of the center of the nozzle of the diffuse conical tube is positioned at the end of a pump body and is arranged at the center part of an annular space which is formed between the pump housing and the outer diameter of the impeller. Compared with the same type pump, the utility model has the advantages that the efficiency can be improved about 9%, the liquid medium with containing solid particle lower than 0.5 mm or with the stickiness lower than 500 centipoises can be conveyed, the wearing parts are reduced, the usage period is long, and the running of the pump can not be overloaded.