| 摘要 |
PROBLEM TO BE SOLVED: To provide a coke bed type melting treatment device capable of separating metal from molten slag to produce the slag of high quality by improving a condition of the molten slag in a furnace bottom. SOLUTION: In a melting furnace 1 constituting this coke bed type melting treatment device, a slag tapping port 32 and a metal tapping port 33 are formed in upper and lower two stages in the furnace bottom 30, a pair of furnace bottom tuyeres 34 are formed, and the air-blasting direction from each furnace bottom tuyere is offset to an outer side with respect to a center O of the furnace bottom in a plan view. COPYRIGHT: (C)2005,JPO&NCIPI
|
