Apparatus and method for emptying metallurgical vessels containi

Details Apparatus and method for emptying metallurgical vessels containi Apparatus and method for emptying metallurgical vessels containi

1983-06-17

1988-08-30

Skaggs, H. Grant

Dispensing

Processes of dispensing

Molten metal

222594, 222603, 222195, B22D 4108

Patent

active

047670363

ABSTRACT:
An apparatus and method is presented for emptying metallurgical vessels, and in particular steelmaking converters containing metal and slag, whereby the slag is effectively separated from the metal during pouring. The apparatus includes at least on permeable refractory element located near the flow hole. An agitating gas is fed through the refractory element thereby creating a bubbling froth which effectively obstructs most of the slag from being carried along by the vortex which forms above the vertical flow hole.

REFERENCES:
patent: 3060015 (1962-10-01), Spolders et al.
patent: 3469740 (1969-09-01), Crowe
patent: 4360190 (1982-11-01), Ato
patent: 4373705 (1983-02-01), Yamada
patent: 4378106 (1983-03-01), Hirschberg et al.

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