It may be caused by insufficient pressure of the clay gun. What can be improved is that the gun head is connected with a non-rigid gun head nozzle, and the gun head nozzle can be made of wood, paper fiber, asbestos and wood composite materials, which can realize the sealing between the gun head and the mud sleeve of the blast furnace mud gun, reduce and prevent the mud escaping phenomenon in the mud beating process, absorb the huge impact of the blast furnace mud gun on the taphole area, and prolong the service life of the blast furnace mud sleeve and the blast furnace hearth.