Sewage biochemical filtration treatment equipment

The utility model discloses sewage biochemical filtration treatment equipment, relates to the technical field of auxiliary devices for sewage biochemical filtration, and aims to solve the problem that the treatment difficulty is increased due to the fact that sewage cannot be directly subjected to secondary treatment when the conventional sewage biochemical filtration treatment equipment is used. The water suction pump is arranged on one side of the sewage treatment main body, the water suction pump is in sealed connection with the sewage treatment main body through a clamping groove, a connecting water pipe is arranged at one end of the water suction pump, the connecting water pipe is fixedly connected with the sewage treatment main body through a limiting outer block, and a water quality sensor is arranged at the lower end in the sewage treatment main body; the screening and filtering inner block is arranged above the water quality sensor, the screening and filtering inner block is fixedly connected with th