Filter special for filtering choline chloride liquid

The utility model discloses a special filter for filtering choline chloride liquid, which belongs to the technical field of liquid filtration, and adopts the technical scheme that the special filter comprises a tank body, a filtering mechanism for filtering liquid is arranged in the tank body, and a cleaning component for cleaning the inner wall of the tank body is arranged in the tank body. By arranging the tank body, the filtering mechanism, the cleaning assembly, the feeding pipe, the discharging pipe, the supporting plate, the filtering rod, the liquid inlet and the first filtering net, choline chloride liquid is fed through the feeding pipe in the using process, the liquid passes through the first filtering net on the periphery of the filtering rod, impurities are left outside the first filtering net, and pure liquid enters the liquid inlet on the periphery of the filtering rod through the first filtering net; the entering liquid is collected to the lower portion of the filter rod in the filter rod and t