Rotary nozzle system for metallurgical vessels
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United States of America Patent
Stats
-
May 27, 1986
Grant Date -
N/A
app pub date -
Dec 13, 1983
filing date -
Dec 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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