Purifying machine shell for sewage purifying machine

The utility model relates to a purifier shell for a sewage purifier, which comprises shell bodies, mounting cavities are arranged in the shell bodies, openings are arranged on the upper end faces of the shell bodies, cover plates are connected to the openings through bolts, water inlet pipes and water outlet pipes are arranged on the upper end faces of the cover plates, and U-shaped connecting pipes are arranged between the water inlet pipes and the water outlet pipes of the two shell bodies. The two ends of the U-shaped connecting pipe are connected with the water inlet pipe and the water outlet pipe in an inserted mode respectively, T-shaped connecting blocks are arranged on the left end faces of the shells, T-shaped connecting grooves are formed in the right end faces of the shells, a plurality of limiting rings are arranged on the front end faces and the rear end faces of the shells respectively, a reinforcing rod is arranged between every two adjacent shells, and the two ends of each reinforcing rod pene