Repairing hot silica refractory structures in situ

Details Repairing hot silica refractory structures in situ Repairing hot silica refractory structures in situ

F - Mech Eng,Light,Heat,Weapons

27

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25/102

F27D 1/16 (2006.01) F27D 1/00 (2006.01) F27D 1/06 (2006.01) F27D 1/04 (2006.01)

Patent

CA 1232744

ABSTRACT (Fig. 4) ADDING TO SILICA REFRACTORY STRUCTURES A silica refractory structure 8 may be added to, e.g. by way of repair, in a working environment at a temperature in excess of 600°C. Such addition is made using one or more vitreous silica bricks 1 bonded into position by projecting a mixture comprising finely divided particles of exothermically oxidisable material, e.g. Si optionally with A and particles of silica, and burning the mixture during its projection to form a coherent refractory mass 9 which bonds the addition together and to the original structure 8.

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