Pulverized coal prevention device for coal bed gas exploitation

The utility model relates to the technical field of coal bed gas exploitation, and discloses a coal dust prevention device for coal bed gas exploitation, which comprises a base, two vertical plates are fixedly arranged at the top of the base, a box body is fixedly arranged at the tops of the vertical plates, a collecting frame is movably arranged at the top of the base, and a dust collection box is fixedly arranged at the top of the collecting frame. A filter plate is fixedly mounted in the box body, a mounting box is fixedly mounted at the top of the box body, an air inlet pipe extending to the left side of the inner wall of the box body is fixedly mounted on the left side of the inner wall of the box body, and a dustproof net is fixedly mounted on the inner side of the air inlet pipe. According to the pulverized coal prevention device for coal bed gas exploitation, a scraping assembly is arranged and moves up and down to clean a filter plate, a servo motor is started to drive a threaded rod to rotate forwar