Apparatus for cooling steel strips to effect continuous annealin

Details Apparatus for cooling steel strips to effect continuous annealin Apparatus for cooling steel strips to effect continuous annealin

1982-05-26

1983-12-27

Rutledge, L. Dewayne

Metallurgical apparatus

Means treating a continuum of work

With heating means

266112, 148156, C21D 9573

Patent

active

044226233

ABSTRACT:
A steel strip heated to a temperature above a recrystallization temperature is passed through a cooling unit including a plurality of cooling rollers cooled by cooling water flowing through the interior thereof. The steel strip is caused to pass alternately about upper and lower surfaces of the cooling rollers. By raising and lowering alternate cooling rollers, the contact angle and therefore the contact area, i.e., the contact time between the strip and the cooling rollers is varied to change the cooling rate. When the cooling rollers are separated from the strip. Cooling water is filled into the cooling unit to directly cool the strip. Cooling gas may be ejected against the strip before it enters into the cooling unit.

REFERENCES:
patent: 1268155 (1918-06-01), Rowland
patent: 2189836 (1940-02-01), Schon
patent: 2890037 (1959-06-01), Rendel
patent: 3682712 (1972-08-01), Vernier
patent: 4296919 (1981-10-01), Sakurai

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