Energy-saving sewage treatment integrated prefabricated pump station

The invention provides an energy-saving sewage treatment integrated prefabricated pump station which comprises a barrel, a water pump and a shaft, a base is arranged at the center of the bottom in the barrel, the shaft is arranged on the base, and the water pump is installed on the base and located in the shaft; a water inlet is formed in the side wall of the barrel, a grating is arranged at the water inlet, and a water outlet of the shaft penetrates through the side wall of the barrel and extends out of the barrel; the water pump comprises a water inlet section, an impeller chamber and a guide vane body which are sequentially connected from bottom to top, the motor is arranged above the guide vane body, and a transmission shaft of the motor penetrates through the guide vane body to be connected with an impeller located in the impeller chamber. A flow dividing cover coaxial with a transmission shaft of the motor is arranged on the lower middle portion between an outer shell and an inner shell of the guide van