| 摘要 |
PROBLEM TO BE SOLVED: To suppress clogging caused by cooling with gas blown from a blowing plug, and to extend a period of time for supplying a gas to the blowing plug from an accumulator tank. SOLUTION: The ladle is provided with; a ladle main body 11 which stores molten metal; the blowing plug 14 which is fitted to the ladle main body 11 and blows the gas into the ladle main body 11; the accumulator tank 20 which is fitted to the outer shell of the ladle main body 11, communicates with an external gas source, stores the gas supplied from the gas source and supplies the gas to be communicated with the blowing plug 14; a control unit 30 which is fitted to the outer shell of the ladle main body 11 and controls the supplying of the gas into the blowing plug 14 from the accumulator tank 20 ; and a heating device 40 which is disposed on a piping communicating with the blowing plug 14 and heats the gas by passing the gas through the internal part thereof. COPYRIGHT: (C)2009,JPO&INPIT
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