Vacuum-suction continous degassing apparatus

Details Vacuum-suction continous degassing apparatus Vacuum-suction continous degassing apparatus

C - Chemistry, Metallurgy

22

B

C22B 9/04 (2006.01) C21C 7/10 (2006.01) C22B 7/04 (2006.01)

Patent

CA 2044722

ABSTRACT OF THE DISCLOSURE A melt flow pipe is arranged penetrating a vacuum container. The melt flow pipe is made of a porous material having pores which allow premeation of gases but does not allow permeation of melts such as molten metal, molten slag, and molten matte. And, in the wall of this melt flow pipe are buried a pipe-like member wherein a cooling medium flows in a form of coil. As the melt contact the external surface of the flow pipe and this section is exposed to a vacuum state, gases in the melt or gases generated through reactions between the melt and the porous member pass through the porous flow pipe to the internal surface side and removed. When the melts flows therein, the flow pipe is cooled by a cooling medium, so that degasification of the melt can be made continuously.

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