Adjustably positionable supersonic nozzle means

Details Adjustably positionable supersonic nozzle means Adjustably positionable supersonic nozzle means

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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