| 摘要 |
PURPOSE: A method for treating molten slag of a blast furnace, cool melting steel-manufacturing slag using roll, air or mixed fluid, is provided to manufacture slag powder by consecutively transferring melting slag to a pulverizing device. CONSTITUTION: A method for treating molten slag of a blast furnace is as follows. A melting blast furnace slag(11) is provided to a rotation roll(22). The slag is frozen by the connection between the rotation roll and the slag. A first heat exchanger(23) is frozen using miscible fluid. The vitrification ratio of the slag is over 95%. The slag is preliminarily pulverized.
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