Combined biological rotating disc treatment device

The utility model discloses a combined biological rotating disc treatment device. The device comprises a box, a cover, a motor, a rotating shaft and a biological rotating disc, wherein the cover bodyis installed on the upper portion of the box body, the motor is installed on the outer side wall of one end of the box body, the rotating shaft is located in the box body and fixed to the driving endof the motor, the biological rotating disc is located in the box body and installed on the side wall of the rotating shaft, an L-shaped partition plate is installed in the box body, and the L-shaped partition plate comprises a horizontal plate and a vertical plate. According to the device, all structures are arranged, so that the biological rotating disc can rotate; stirring means which are opposite in rotating direction and are matched with each other are arranged; in addition, a rotating spiral blade rod is arranged at the bottom of the box body, sludge settled at the bottom can be stirred,pressurized and discharged,