Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1993-05-21
1994-09-13
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
266215, 266232, C21C 100
Patent
active
053465318
ABSTRACT:
An apparatus and method are disclosed for receiving molten slag and molten metal or alloy resulting from the smelting of ore from a cupola and for separating the slag from the molten metal or alloy. The slag separator of the present invention includes a refracting lining to protect the separator from the mechanical, chemical and thermal properties of the molten mixture. During the process of separation, the refractory however, suffers from erosion due to the mechanical, chemical and thermal properties of the mixture. A water cooling system is provided including water cooling jackets, provided on the outside of the refractory and surrounding the separation chambers, and water control valves to reduce refractory erosion and greatly increase refractory life. Further, vent holes may be provided in the refractory for venting any water which might leak from the water cooling system. In addition, the separator is provided with two chambers which allow the slag to rise to the top of the metal or alloy. The slag then flows out of the chambers. The use of two chambers greatly increases the purity of the metal or alloy by allowing almost all of the slag to settle out of the metal or alloy.
REFERENCES:
patent: 3565605 (1971-02-01), Vayssiere
patent: 3632335 (1972-01-01), Worner
patent: 3702695 (1972-11-01), Rouanet
patent: 3735010 (1973-05-01), Turpin
patent: 4274622 (1981-06-01), Ohmori
patent: 5004495 (1991-04-01), Labate
Honda of America Mfg. Inc.
Kananen Ronald P.
Rosenberg Peter D.
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