Process and apparatus for the production of steel

Details Process and apparatus for the production of steel Process and apparatus for the production of steel

1976-10-14

1978-07-18

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C21C 538, C21C 540

Patent

active

041013131

ABSTRACT:
In the production of steel from pig iron melted and refined in a vessel, the pig iron is preheated in two phases. In the first preheating phase, the cold pig iron and hot gases recovered from the melting and refining vessel are moved simultaneously through a first and higher rotary tubular furnace whose lower open end is in communication with an upper open end of a second and lower rotary tubular furnace constituting a second preheating phase. The second furnace is heated from the outside to regulate the temperature of the pig iron to a desired value before it is introduced into the vessel from the second furnace.

REFERENCES:
patent: 2805930 (1957-09-01), Udy
patent: 3912501 (1975-10-01), Castejon

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