Tuyere for the injection of reaction gas

Details Tuyere for the injection of reaction gas Tuyere for the injection of reaction gas

C - Chemistry, Metallurgy

21

C

39/105, 39/96

C21C 5/48 (2006.01)

Patent

CA 1070944

ABSTRACT OF THE DISCLOSURE A tuyere for the injection of both a refining gas such as oxygen into a melting or refining vessel, and a fluid protec- tive medium such as a hydrocarbon gas or a liquid surrounding the injected refining gas, in which there is a solid center in the pipe through which the refining gas is supplied so that the refining gas enters the refining vessel as an annulus around which the protective fluid is disposed; the tuyere is installed in the refractory lining of the refining vessel and the fluids passing into the vessel through the tuyere are proportioned so that burn- ing back of the tuyere and erosion or wear of the lining take place at the same rate; the protective medium cools the tuyere and avoids reactions between the refining gas and the tuyere material.

233085

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