Filter suitable for solid oxygen control lead bismuth loop

The utility model discloses a filter suitable for a solid oxygen control lead bismuth loop in the technical field of nuclear power. The filter comprises a sleeve and a filter body. A flange opening is formed in the top of the filter body, the inner wall of the flange opening is connected with a sleeve in a screwed mode through threads, and the flange opening is provided with a screw hole and is connected with a sealing cover through a bolt; the sleeve is arranged in the sealing cover and the device body; a hexagonal screw hole is formed in the upper end of the sleeve so that the sleeve can be separated from the transformer body. A convex ring is arranged on the lower surface of the lower end of the sleeve and forms a sealing ring structure with the inner surface of the filter body; the inner surface of the lower end of the sleeve is in screwed connection with a filter element through threads; the filter element is arranged in the filter cavity below the sealing ring structure of the filter element, and the fi