| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for recovering heat of molten slag capable of obtaining high-temperature heat recovery gas by recovering heat from molten slag generated in a blast furnace.SOLUTION: In this method for recovering heat, molten slag generated in a blast furnace is solidified, and the solidified slag S is supplied into a heat recovery device 13, and heat recovery gas G is supplied simultaneously into the same device 13, to thereby recover heat of the solidified slag S through the gas G, wherein combustion exhaust gas discharged from a hot blast stove 14 is used as the heat recovery gas G. |
