Surface treatment of refractories

Details Surface treatment of refractories Surface treatment of refractories

F - Mech Eng,Light,Heat,Weapons

27

D

F27D 1/16 (2006.01) F27D 25/00 (2010.01) C21C 5/44 (2006.01) C23C 4/12 (2006.01) F27D 23/02 (2006.01)

Patent

CA 2101351

ABSTRACT Surface treatment of refractories A process is described for cleaning the surface of a refractory structure at an elevated temperature especially in preparation for ceramic welding. The process comprises projecting against said surface a powder stream carrying fuel particles in an oxygen-containing carrier gas, whereby the fuel particles and oxygen in the carrier gas react in a reaction zone at said surface, and simultaneously projecting at said surface a scouring stream comprising oxygen, preferably at a discharge velocity greater than that of the powder stream to scour said surface in the vicinity of the reaction zone.

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