Mining pneumatic double counter-rotating fan

The utility model relates to the technical field of cyclone clusters, in particular to a mining pneumatic double counter-rotating cyclone cluster, which comprises a fixed casing, a vent pipe is arranged on the side wall of the fixed casing, a cross pan head screw, a first flat gasket and a first spring washer are arranged on the vent pipe, a pressure regulating filter is arranged on the vent pipe, and a second flat gasket and a second spring washer are arranged on the pressure regulating filter. According to the mining pneumatic double-counter-rotating fan, the first impeller, the second impeller and the pneumatic motor are arranged in the mining pneumatic double-counter-rotating fan, and the design that the first impeller and the second impeller are oppositely arranged is utilized, so that in the using process of the mining pneumatic double-counter-rotating fan, the first impeller and the second impeller are not prone to being damaged, and the service life of the mining pneumatic double-counter-rotating fan