| 摘要 |
PURPOSE: A device for grinding a tap hole of a blast furnace is provided to prevent a mud material from leaking to the outside when injecting the mud material inside the tap hole from a mud gun by attaching the front end of the mud gun to the surface of the tap hole when closing the surface. CONSTITUTION: A device for grinding a tap hole of a blast furnace comprises a rotary motor(100), a joint rod(200), and a grinding bit(300). The rotary motor is installed to a piercing tool. The joint rod rotates by a driving force of the rotary motor through being connected to the rotary motor and includes one or more joints at the surface of the tap hole in a specific angle. The grinding bit is connected to the front end of the joint rod and grinds the surface of the tap hole. |
