Vacuum-suction degassing apparatus

Details Vacuum-suction degassing apparatus Vacuum-suction degassing apparatus

1993-05-10

1994-06-28

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including means rotating reaction chamber during use

75407, 266145, 266149, 266207, 266208, 266233, 266235, 422199, 422211, 422285, C21C 700

Patent

active

053244877

ABSTRACT:
A melt is stored in a vessel. A lower half of a degassing member is immersed in the melt. The degassing member has a cylindrical form with the lower end closed, and the lower half section is made of a porous material which is permeable to gas and impermeable to melts as molten metal, molten slag, or molten matte. This lower half section is a partitioning member. When an internal space inside the degassing member is sucked to realize vacuum or reduced pressure atmosphere, gas producing components in the melt pass through the partition member of the degassing member, and are exhausted to inside the degassing member, thus being separated from the melt. Also, by making the degassing member rotate or move in a horizontal or vertical direction, the melt is stirred. With these features, gas-producing components in the melt can be removed at a high efficiency.

REFERENCES:
patent: 2752233 (1956-06-01), Peyches
patent: 3902893 (1975-09-01), Ostberg et al.
patent: 4240618 (1980-12-01), Ostberg
patent: 4257810 (1981-03-01), Narumiya
patent: 4836508 (1989-06-01), Fishler
patent: 4921616 (1990-05-01), Minjolle
European Search Report, Appln. No. 91109886.1, Masamichi Sano et al, Oct. 15, 1991.

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