Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1992-06-16
1993-09-21
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
266227, 266232, C21B 304
Patent
active
052464830
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 jacket is provided on the outside of the refractory to reduce refractory erosion and greatly increase refractory life. 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: 3702695 (1972-11-01), Rouanet
patent: 4274622 (1981-06-01), Ohmori
patent: 5004495 (1991-04-01), Labate
Prepared under the direction of the ASM International Handbook Committee, "Metals Handbook Ninth Edition vol. 15 Casting", 1988.
Honda of America Manufacturing, Inc.
Kananen Ronald P.
Rosenberg Peter D.
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