Biological deodorization device with biological filler rotary drum

The utility model belongs to the field of biological deodorization, and particularly relates to a biological deodorization device with a biological filler rotary drum, which comprises a box body and a door leaf, an air inlet pipe is connected to the left upper part of the box body in a penetrating manner, two electric push rods distributed front and back are mounted at the left lower part of the box body, and motor frames are mounted at the output ends of the two electric push rods; a driving motor is installed in the motor frame, a rotating shaft is installed at the output end of the driving motor, the other end of the rotating shaft penetrates through the left side of the box body, extends into the box body and is fixedly connected with a second U-shaped cover, and a plurality of evenly-distributed clamping grooves are formed in the outer side wall of the second U-shaped cover in a penetrating mode; the right side of the interior of the box body is fixedly connected with a first U-shaped cover matched with