Rotary nozzle system for metallurgical vessels

Details Rotary nozzle system for metallurgical vessels Rotary nozzle system for metallurgical vessels

1983-12-13

1986-05-27

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

222600, B22D 4108

Patent

active

045910804

ABSTRACT:
In a dual door type rotary nozzle system for metallurgical vessels, a bottom plate brick attached to the bottom shell of the vessel is adapted to be opened and closed by an inner door, and a slide plate brick slidable in surface-to-surface contact relation with the bottom plate brick is also adapted to be opened and closed by an outer door. The bottom plate brick is provided with a plurality of nozzle bores and is mounted in a case rotatably supported in the inner door by means of a bearing so that the bottom plate brick is manually rotated along with the case when the inner door is opened, thereby realizing a rotary nozzle system capable of easily and rapidly effecting the change operation of the nozzle bores of the bottom plate brick.

REFERENCES:
patent: 3850351 (1974-11-01), Yoshihara
patent: 3856189 (1974-12-01), Meier
patent: 3921866 (1975-11-01), Palazzo
patent: 4116372 (1978-09-01), Horiguchi et al.
patent: 4314659 (1982-02-01), Shapland
patent: 4480771 (1984-11-01), Meier
Iron and Steel Engineer, Sep. 1973, pp. 117-124, "Nippon Kokan's Rotary Nozzle System for Teeming and Continuous Casting".

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