F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/104
F27D 3/16 (2006.01) C22B 9/05 (2006.01) C22B 21/06 (2006.01)
Patent
CA 1169248
12,697 Apparatus for Refining Molten Metal Abstract of the Disclosure In an apparatus for refining molten metal comprising, in combination: (a) a vessel having an inlet zone and an outlet zone; at least two refining compartments in between, connected in series, separated by baffles, and positioned in such a manner that the first refining compartment in the series is adjacent and connected to the inlet zone and the last refining compartment in the series is adjacent and connected to the outlet zone; and dross removal means; and (b) one rotating gas distributing device disposed at about the center of each refining compartment, said device comprising a shaft having drive means at its upper end and a rotor fixedly attached to its lower end, the upper end being positioned in the top section of the compartment and the lower end being positioned in the bottom section o the compartment, the improvement comprising: 1. positioning the inlet zone and the outlet zone in such a manner that the molten metal is permitted to flow from the bottom of the inlet zone to the bottom section of the first refining compartment in the series and from the top section of the last refining compartment in the series to the top of the outlet zone and 2. utilizing for each separating baffle, a baffle consisting of first and second baffles bearing a 12,697 spaced relationship to one another and positioned in such a manner that (i) the first baffle is on the inlet side of the vessel and the second baffle is on the outlet side of the vessel and (ii) molten metal is permitted to flow from the top section of one refining compartment over the top of the first baffle into the space between the first and second baffles and under the second baffle into the bottom section of the next refining compartment in the series. S P E C I F I C A T I O N
377998
Hopley William G.
Union Carbide Corporation
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