Automatic recovery device for backing material of dust removal equipment

The utility model relates to the technical field of dust removal equipment matching assemblies, in particular to a dust removal equipment backing material automatic recovery device which comprises a connecting pipe body, a connecting base, a funnel collecting part, a pressure sensor, a fixing plate, a fixing hole, a spiral material lifting machine body, a flow guide pipe and a connecting rod. The lower end of the connecting pipe body is fixedly connected with a funnel collecting part, the connecting bases are symmetrically and fixedly connected to the lower surface of the middle position of the front side and the rear side of the connecting pipe body, the pressure sensors are fixedly connected to the lower ends of the connecting bases correspondingly, and the fixing plates are connected to the lower ends of the pressure sensors in a matched mode; and the fixing holes are formed in the surfaces of the four corners of the fixing plate in a rectangular array in a penetrating mode correspondingly. The device has