Sewage interception treater

The utility model belongs to sewage treatment, and discloses a sewage interception treater which comprises a box body and a frame, the frame is arranged in the box body, a water filtering plate is arranged in the middle of the frame and fixedly installed in the middle of the inner wall of the frame, vertical rods are fixedly installed on the top side and the bottom side of the water filtering plate respectively, and the vertical rods are fixedly installed on the bottom side of the water filtering plate. Guide grooves are formed in the two sides of the frame respectively, the guide grooves are grooves with shallow middle parts and deep upper and lower sides, the upper and lower sides of the guide grooves are communicated with the top side and the bottom side of the frame respectively, clamping grooves are formed in the middle parts of the guide grooves respectively, mounting grooves corresponding to the clamping grooves are formed in the two sides of the inner wall of the box body respectively, and spring tele