C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/105, 39/96
C21C 5/48 (2006.01) C21B 7/16 (2006.01)
Patent
CA 1042208
TITLE ADJUSTABLY POSITIONABLE SUPERSONIC NOZZLE MEANS ABSTRACT OF THE DISCLOSURE Nozzle means are disclosed that are particularly suit- ed for use in combination with tuyeres of metallurgical reducing or refining vessels. The nozzle means is axially positionable within the tuyere to maintain a supersonic jet as the tuyere is consumed. Both axially divergent-convergent and convergent- divergent nozzle means are disclosed. Also disclosed is a combination of nozzle means to effect rapid shut-off of the tuyere by positioning a conforming convergent first portion into the convergent second portion of the nozzle means.
221255
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