F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
25/102
F27D 1/14 (2006.01) C21B 7/06 (2006.01) F27B 1/24 (2006.01) F27D 1/16 (2006.01) F27D 9/00 (2006.01)
Patent
CA 1318486
REPAIR OF THE REFRACTORY LINING OF THE WALL OF SHAFT FURNACE AND A REPAIRED SHAFT FURNACE ABSTRACT OF THE DISCLOSURE In the repair of a refractory lining of a shaft furnace having a steel shell, a worn residual refractory lining inside the shell and cooling plates extending through the shell into the refractory lining, the worn lining is retained and an additional lining structure is added by (a) forming a refractory concrete layer with a flat upper surface at a ring of said cooling plates, (b) building up on the flat upper surface a refractory brickwork of blocks which is self- supporting and which has recesses in which cooling plates are located with clearance, the blocks being selected in accordance with the amount of wear locally, (c) filling space between the brickwork and the residual lining with concrete, and (d) filling the clearance space between the brickwork and the cooling plates in the recesses with a thermally conductive rammed mass. (Fig. 1)
584568
Hoogovens Groep Bv
Ridout & Maybee Llp
LandOfFree
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