Lined macromolecule composite silicon carbide ceramic vertical type multi-level self-priming pump

A lined macromolecule composite silicon carbide ceramic vertical type multi-level self-priming pump is provided with a motor frame and a motor. The motor is arranged at the tail end of the motor frame. A pump shaft is arranged in the motor frame and connected with the motor. The pump shaft is provided with a machine seal box. Mechanical seals are arranged in the machine seal box and located on thetwo sides of the pump shaft. A pump cover is arranged at the lower end of the pump shaft. A self-priming barrel is arranged at the lower end of the pump cover. Guide vanes and impellers are arrangedin the self-priming barrel. A suction cover is arranged in the self-priming barrel. The machine seal box is arranged in the self-priming pump, the mechanical seals are arranged in the machine seal box, sealing of the pump shaft can be better, the self-priming pump can stably run, the guide vanes are divided into the first-level guide vane and the second-level guide vane, meanwhile, the impellers are divided into the first-