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US 4,389,189 AGranted
Refractory components for furnaces
AssigneeM. H. Detrick Co., Limited
InventorsBarrie J. Harvey, Robert C. Willson
Life of this patent
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AssigneeM. H. Detrick Co., Limited
InventorsBarrie J. Harvey, Robert C. Willson
Estimating the term…
A refractory component which is vacuum-formed from ceramic fibres and which is to be mounted on the external casing or frame structure of a furnace to form part of heat-resisting lining is provided with an internal reinforcement in those parts of the component nearest the casing or frame structure and by which the component is to be mounted on the casing or frame structure. The reinforcement is embedded in the component during formation thereof and is of stiff open mesh form extending in a plane parallel to the general plane of the part of the casing or frame structure on which the component is mounted. The reinforcement is made from heat-resisting metal alloy, refractory clay or recrystallized alumina and is preferably of channel-section or other three dimensional form to increase its stiffness.
A refractory component vacuum formed from ceramic fiber to be mounted on an exterior structure which defines the general outline of a furnace chamber, said component forming part of a refractory wall of the furnace chamber and having embedded therein during the vacuum forming process one or more reinforcing members of stiff open-mesh form disposed in that region of the component which will eventually be placed nearest to said structure and from which region the component is to be anchored to the structure, the reinforcing member being made of heat resisting metal alloy, refractory clay or re-crystallized alumina and at least part of said open mesh being arranged to extend generally parallel to the local portion of the wall of the chamber.
A refractory component vacuum formed from ceramic fiber to be mounted on an exterior structure which defines the general outline of a furnace chamber, said component forming part of a refractory wall of the furnace chamber and having embedded therein during the vacuum forming process one or more reinforcing members of stiff open-mesh form disposed in that region of the component which will eventually be placed nearest to said structure and from which region the component is to be anchored to the structure, the reinforcing member being made of heat resisting metal alloy, refractory clay or re-crystallized alumina and said reinforcing member having parts thereof extending respectively parallel to and at right angles to the local portion of the wall of the chamber.
A refractory component vacuum formed from ceramic fiber and having a hot face, a cold face, and side surfaces extending between the hot and cold faces, and said component having incorporated therein during the vacuum-forming process at least one reinforcing member of stiff open-mesh form spaced from said hot face and disposed adjacent a side surface of the component, said reinforcing member being made from a heat resisting alloy, refractory clay or re-crystallized alumina and comprising a first portion extending parallel to said hot face and spaced from said hot face and a second portion extending from the first portion towards the cold face.
A furnace structure comprising an external supporting structure and a plurality of refractory components, which are secured to and securing means whereby said components are secured to the supporting structure and define a furnace chamber, each of said refractory components being vacuum formed from ceramic fiber and having a hot face, a cold face, and side surfaces extending between the hot and cold faces, and said component having incorporated therein during the vacuum-forming process at least one reinforcing member of stiff open-mesh form spaced from said hot face and disposed adjacent a side surface of the component, said reinforcing member being made from a heat resisting alloy, refractory clay or re-crystallized alumina and comprising a first portion extending parallel to said hot face and spaced from said hot face and a second portion extending from the first portion towards the cold face and the external supporting structure, and said securing means comprising a plurality of anchor members, each of which comprises an outer end portion secured to the supporting structure, a leg portion connected to said outer end porton and extending towards the furnace chamber between two of said refractory components, which two components adjoin each other, and laterally projecting teeth which are connected to the leg portion and which are pressed into side surfaces of said two components adjacent said first portion of a said reinforcing member disposed adjacent such side surface of each of the two said components.
Dependencies are inferred from the claim text.