Tuyere cooling system

Details Tuyere cooling system Tuyere cooling system

C - Chemistry, Metallurgy

21

B

C21B 7/16 (2006.01) C21C 5/48 (2006.01) F27D 3/16 (2006.01) F27D 25/00 (2010.01) F27D 99/00 (2010.01) F27B 1/16 (2006.01)

Patent

CA 2487737

A tuyere cooling system which includes a coolant circuit for a body section and nose section. A valve is operable to connect the coolant circuits in series or to disconnect flows to the nose section of the tuyere so that if the nose of the tuyere tears during operation, the flow of coolant to the nose section of the tuyere may be cut off without affecting the overall operation of the blast furnace.

L'invention concerne un système de refroidissement de tuyère comprenant un circuit de fluide de refroidissement pour la partie du corps de la tuyère et pour la partie avant. Une vanne sert à connecter les circuits de fluide de refroidissement en série ou à couper la circulation du fluide de refroidissement dans la partie avant de la tuyère de sorte qu'en cas de détérioration de l'avant de la tuyère pendant le fonctionnement, la circulation du fluide de refroidissement dans la partie avant de la tuyère puisse être coupée sans affecter le fonctionnement général du haut fourneau.

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