The ZW type dumps pollutants to pump is this corporate design personnel acts according to the ZX self-priming centrifugal pump and the QW slush pump structure and the performance, profits from merit of the domestic and foreign similar products, and the various absorption user communities' operation requirements and offer an opinion, the development becomes the collection and dumps pollutants a body, both may look like common clear water self-priming pump such not to need the peaceful bottom valve, does not have to fill pilots, and may pump includes the big pellet solid diameter for the exportation caliber 60% and the staple for the impeller diameter 1.5 time of contamination, the settling, the abandoned mine impurity, the feces disposal and all project sewage and the sol liquid, completely reduces worker's labor intensity, Moreover uses, the migration, the installment conveniently, extremely little services, the performance is stable.