Method for recovering metals included in the slag generated from

Details Method for recovering metals included in the slag generated from Method for recovering metals included in the slag generated from

1993-12-22

1995-05-23

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Process control responsive to sensed condition

75433, 75582, C22B 704

Patent

active

054177383

ABSTRACT:
A method for recovering useful metal included in slag generated from steel-making process in a convertor. The method comprises the steps of atomizing the slag in water, screening the atomized slag so as to be classified by sizes, dropping the classified slag of similar sizes into a flow of blowing air to sort it into a high-weight group and a low-weight group, and transferring the high-weight group into a furnace to recovering useful metal therefrom. The useful metal can be recovered at a low cost. In addition, since the inventive method does not accompany with the pulverization, polluting factor such as noise and dust is eliminated and thus, the working conditions become more comfortable. Moreover, the inventive method is advantageous in a view of reuse because the low-weight slag is used as useful materials such as short balls, grits, fluxes and aggregates.

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