C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/96
C21B 7/16 (2006.01)
Patent
CA 1151421
ABSTRACT A tuyere or lance for injecting powdered products in a flow of carrier gas into molten metal, comprising a supply line with the terminal portion having made through the wall thereof at least one opening for withdrawing a part of the carrier gas from the mainstream flow. The tuyere also has a gas escape channel communicating with said opening the axis of which extends at an angle to the axis of said supply line, so that the axis of the mainstream flow of the carrier gas and the axis of the flow of the part with- drawn from the mainstream flow extend at an angle to each other. The invention enables to draw away a part of the carrier gas from the supply line, and thus to raise up the concentration of the powdered product in the mainstream flow.
368304
Gudkov Evgeny M.
Makrushin Vladimir V.
Selsky Vladimir I.
Vasiyarov Jury P.
Sibirsky Metallurgichesky Institut Imeni S.ordzhonikidze
Swabey Ogilvy Renault
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