Rust removal device for sleeve repair

The utility model relates to the technical field of casing pipe repair, in particular to a derusting device for casing pipe repair, which is characterized in that a derusting box body is arranged above a workbench, the bottom of the derusting box body is fixedly connected to the workbench, a transparent glass plate is arranged in the middle of the front surface of the workbench, a cover plate is arranged at the top of the derusting box body, and the transparent glass plate is fixedly connected to the workbench. Slag discharging holes are formed in the left side and the right side of the workbench, slag discharging pipes are arranged on the left side and the right side of the bottom of the workbench, the tops of the slag discharging pipes communicate with the slag discharging holes, and slag discharging valves are arranged on the slag discharging pipes; in the using process of the whole device, after rust removal of the casing pipe is completed, the deslagging valve is opened, rust chips in the rust removal bo