Twin roll continuous caster

Details Twin roll continuous caster Twin roll continuous caster

1996-12-23

1998-02-24

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164476, 164480, 164486, B22D 1106, B22D 11124

Patent

active

057203350

ABSTRACT:
To suppress generation of scales on surfaces of a strip and to reduce the amount of non-oxidising gas consumed in the casting of strip in a twin roll caster there is provided downstream apparatus comprising pinch rolls 17a and 17b for pinching a strip 4 continuously cast by a pair of casting rolls 1a and 1b, a coiler 8 for coiling the strip 4 delivered from the pinch rolls 17a and 17b, an upstream chamber 19 for enclosing a travelling path of the strip 4 from the casting rolls 1a and 1b to the pinch rolls 17a and 17b, a downstream chamber 24 for enclosing a travelling path of the strip 4 from the pinch rolls 17a and 17b to a position before the coiler, a shutter on an end of the downstream chamber closer to the coiler and a gas supply source for supplying non-oxidising and reducing gases to the upstream and downstream chambers 19 and 24 and quenching means within the downstream chamber to cool the strip so that it leaves the chamber at a temperature of 300.degree. C. or below.

REFERENCES:
patent: 5584337 (1996-12-01), Nakashima et al.

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