| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation structure of a plug for a gas blowing which can prevent the leakage of a molten metal to the outside through a gas feed tube for feeding a gas to a plug for gas blowing, and has excellent maintainability.SOLUTION: A lower plate 12 is arranged so as to come in contact with the lower face of an upper plate 5 supporting the lower edge part of a feed tube 1d for feeding a gas to a plug 1 for gas blowing, and a space 14 communicating to the gas feed tube 1d is formed by the lower face of the upper plate 5 and the upper face of the lower plate 12, and a gas introduction passage 16 is communicated to the space. |
