Multipurpose lance

F - Mech Eng,Light,Heat,Weapons – 27 – D

Patent

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Details

F27D 25/00 (2010.01) C21C 5/28 (2006.01) C21C 5/46 (2006.01) F27D 3/16 (2006.01)

Patent

CA 2252637

A steelmaking furnace (22) is cleaned and maintained using a lance (28') which includes an elongated lance body (30') including at least one first nozzle opening (78') proximal to an end (34') that extends into the furnace (22) and at least one other second nozzle opening (74') spaced upwardly from the first nozzle opening (78').

Un four (22) d'élaboration de l'acier est nettoyé et entretenu au moyen d'une lance (28') qui comporte un corps allongé (30') pourvu d'au moins un premier orifice d'ajutage (78') proximal à une extrémité (34') qui s'étend dans le four (22) et d'au moins un second orifice d'ajutage (74') espacé du premier (78') vers le haut.

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