Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By providing – treating or protecting environment – e.g. – vacuum
Patent
1982-05-21
1983-08-30
Andrews, Melvyn J.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By providing, treating or protecting environment, e.g., vacuum
75 68R, 266214, 266220, 266227, 266235, F27B 320
Patent
active
044012950
ABSTRACT:
An apparatus for treating a molten metal to a high quality by means of applying gas treating and filtration consecutively in a simple compact treating vessel. The vessel is divided into two parts, i.e., fluxing and filtration compartments, by a vertical partition wall having a molten metal passage therein integrally formed with the vessel, and a vacant space is left above the top of the partition wall and the ceiling of the vessel of sealed box type for allowing communication of the upper space above the bath level in both compartments. In two chambers formed in the fluxing compartment divided by a pair of dividers a respective gas treating device including a graphite pipe supplying treating gas and a rotor body to stir the molten metal is inserted from above. In the filtration compartment a plurality of tube filters are disposed for separating suspended particles before flowing the passed clean molten metal out of the vessel, and a gas burner of variable flame is mounted in the ceiling for heating the molten metal, and further a gas blowing means is disposed in the bottom thereof for blowing discrete bubbles of a gas upwards. A chimney is disposed in the ceiling of the fluxing compartment for discharging exhaust gases upwards.
REFERENCES:
patent: 3743263 (1973-07-01), Szekely
patent: 3743500 (1973-07-01), Foulard et al.
patent: 3917242 (1975-11-01), Bass et al.
patent: 4067731 (1977-01-01), Chia
Andrews Melvyn J.
Sumitomo Light Metal Industries Ltd.
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