Refractory nozzle for a metallurgical vessel
AssigneeHeraeus Electro-Nite International N.V.
InventorsMartin Kendall, Jean-Paul Verhoeven, Marc Timmermans
Life of this patent
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Abstract
A refractory nozzle is provided for a metallurgical vessel, in particular for steel melts, wherein the nozzle has a flow-through opening with an upper end, a lower end, and an inner wall laterally enclosing the flow-through opening. In order to improve known discharge nozzles, in particular with regard to their thermal shock resistance, a heater and/or a thermal insulating material, that dissolves or bums upon contact with fluid steel, is arranged along the inner wall in the flow-through opening.
Claims11
A refractory nozzle for a metallurgical vessel, the nozzle comprising a flow-through opening having an upper end, a lower end, and an inner wall laterally enclosing the flow-through opening, wherein at least one of a heater and a thermal insulating material is arranged along the inner wall in the flow-through opening, and wherein the at least one heater and/or thermal insulating material is made of a material that will substantially dissolve or burn upon contact with fluid steel.
Dependencies are inferred from the claim text.