Method and installation for the cooling of reduced material such

Details Method and installation for the cooling of reduced material such Method and installation for the cooling of reduced material such

1979-03-05

1981-09-22

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 82, 266168, C21B 1302

Patent

active

042908019

ABSTRACT:
Method and apparatus for cooling hot reduced material output from a reduction furnace without exposing the material to oxygen in the air. A fluid-bed-cooler which receives the heated, reduced, material from the reduction furnace contains cooling pipes through which a cooling liquid is passed for indirectly cooling the reduced material. Additionally, the cooler is connected to a positive pressure reduction gas recirculating distribution system which continually passes cooled and cleaned oxygen-free reduction gases over the heated, reduced, material to be cooled. Any losses due to leaks in the recirculating reduction system, are replaced by oxygen-free reduction gas supplied from an exhaust gas port of the reduction furnace.

REFERENCES:
patent: 4001010 (1977-01-01), Kanbara et al.
patent: 4067728 (1978-01-01), MacKay

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