Method and apparatus for removing slag from molten metal by...

Details Method and apparatus for removing slag from molten metal by... Method and apparatus for removing slag from molten metal by...

C - Chemistry, Metallurgy

21

B

39/111, 53/358

C21B 3/06 (2006.01)

Patent

CA 1036816

Abstract of the Disclosure For removing slag from molten metal a port of a suction pipe is located at a predetermined level above the slag to suck it up. Water is caused to flow in a cooling jacket around the port and out of orifices around the periphery of the port to impinge against the slag being sucked up and pelletize it. The resulting pellets are introduced into a separator for separating the slag and water from vapor and air. The separator consists of a separator hopper and an auxiliary hopper having a discharge po?t arranged to be opened only when a similar discharge port of the separator hopper has been closed. The separator hopper is evacuated to suck the slag into it, the slag thus collected being transferred to the auxiliary hopper by opening the discharge port of the separator hopper, during which time air-tightness in the separator hopper is maintained by the auxiliary hopper. The slag in the auxiliary hopper is removed when the discharge port of the separator hopper has been closed, so that the separated slag can be intermittently removed from the separator while continuously effecting the suction of slag.

217715

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