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US 9,453,679 B2Granted
Industrial furnace cover
AssigneeRefractory Intellectual Property GmbH & Co. KG
InventorPeter Zottler
Life of this patent
Estimating the term…
Abstract
The invention refers to an industrial furnace cover. Such a furnace can be, i.a., any metallurgical melting and/or treatment vessel, for example an electric arc furnace.
Claims14
An industrial furnace cover, comprising the following features:
- at least two layers (16o, 16m, 16u) of refractory material,
- said layers (16o, 16m, 16u) are arranged one on top of the other when said cover (1) is in its mounted state,
- a frame (14),
- said frame (14) extends at least partially around and houses at least one of said layers (16o, 16m),
- said frame (14) being detachably mounted to said at least one layer (16o, 16m).
2 more elements
A method of refinishing an industrial furnace cover, the industrial furnace cover comprises:
- at least two layers (16o, 16m, 16u) of refractory material,
- said layers (16o, 16m, 16u) are arranged one on top of the other when said cover (1) is in its mounted state,
- a frame (14),
- said frame (14) extends at least partially around and houses at least one of said layers (16o, 16m),
- said frame (14) being detachably mounted to said at least one layer (16o, 16m), the method comprising:
- removing said frame with the remaining refractory material from a corresponding furnace,
- detaching the frame,
- arranging and closing the frame in a position further remote from a lowermost layer in the at least two layers than before, and
- arranging a new layer on top of an uppermost layer in the at least two layers within said frame to provide a new uppermost layer.
6 more elements
Dependencies are inferred from the claim text.