Production of a siliceous refractory mass
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
May 27, 1997
filing date -
Nov 28, 1994
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Abstract
A process for producing a crystalline siliceous refractory mass includes providing particulate constituents to be projected comprised of (1) solid refractory particles comprising silica in the form of vitreous silica, and (2) solid combustible particles comprising silicon particles; projecting the particulate constituents with gaseous oxygen against a surface under ceramic welding conditions effective to cause a reaction between the solid combustible particles and the gaseous oxygen to occur against the surface, thereby releasing the heat of reaction against the surface so that a coherent refractory mass comprising cristobalite is formed, wherein the surface against which the solid refractory particles are projected is at a temperature of at least 1000.degree. C. The process can be used to manufacture refractory bricks or blocks, to repair furnaces, or to repair worn surfaces of a siliceous refractory material.
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