Blowing device for steel ladle bottom blowing brick

The utility model relates to a metallurgical technology field, in particular to blowing device for steel ladle bottom blowing brick, the device includes: inner tube, outer tube and gas -supply pipe, the inner tube sets up at the outer tube inboardly, inner tube and oxygen air supply intercommunication, and oxygen is carried to the inner tube, outer tube and gas -supply pipe intercommunication, gas -supply pipe and gas air supply intercommunication, the gas is carried to the gas -supply pipe, be provided with the fumarole on the outer tube, oxygen and gas mix after the fumarole blowout. The utility model provides a blowing device for steel ladle bottom blowing brick, the inner tube setting is in the outer tube inboard, and when sweeping the bottom blowing brick, the outer tube has the protective action to the inner tube, can prevent to take place the bending when inner tube from meeting with high temperature, makes the bottom blowing brick sweep the device and keeps sharp state, and the realization normally sw