Efficient, energy-saving and environment-friendly device for discharging sewage

The invention provides an efficient, energy-saving and environment-friendly sewage discharge device, and belongs to the technical field of sewage treatment. The device comprises a sewage treatment box, a water inlet is formed in the upper end of the sewage treatment box and communicates with the sewage treatment box, a connecting barrel is arranged at the lower end of the sewage treatment box, a motor is arranged on the right side of the sewage treatment box, two grinding teeth are arranged in the sewage treatment box, and a first rotating mechanism is arranged on the right side of the sewage treatment box; the rotating mechanism is connected with the two grinding teeth to drive the two grinding teeth to rotate, a filter screen is fixedly connected between the sewage treatment box and the inner wall of the connecting barrel, first brush rods are arranged on the upper side and the lower side of the filter screen, second rotating mechanisms are arranged on the upper sides of the first brush rods, and the second rotating mechanisms are used for driving the two first brush rods to rotate, the first rotating mechanism is connected with the second rotating mechanism to drive the second rotating mechanism to rotate, a third brush rod and two second brush rods are arranged in the connecting barrel, which can dredge a pipeline, and the product is not prone to blockage, and automatically cleans a filter screen.