The invention relates to a valve tower ash removal tool box which comprises a tool box body. A ash blowing and removing device is arranged in the tool box body, a containing box is arranged outside the tool box body, two box covers are symmetrically hinged to the outer wall of the opening end of the containing box, the two box covers are closed and can close the opening end of the containing box, limiting mechanisms are arranged on the outer walls on the lower portions of the hinge ends of the containing box and the box covers respectively, the limiting mechanisms comprise fixed plates, supports are arranged on the fixed plates, press plates are hinged to the supports, baffles are vertically arranged at one ends of the press plates, the end faces of the ends, close to the fixed plates, of the baffles are limiting inclined faces, sliding grooves are formed in the other ends of the fixed plates, the ends, close to the containing box, of the sliding grooves are provided with springs, sliding blocks are arranged on the springs, bosses are arranged at the upper ends of the sliding blocks, and the baffles are connected with the sliding blocks through connecting ropes. The valve tower ash removal tool box has the advantages that the tool box body is contained in the containing box, when work staff carry out ash removal and dust collection on a converter valve, dust cannot enter the tool box body through the containing box, and the safety of an ash removal tool in the tool box is guaranteed.