Abstract
The authors discuss the overhaul of a 1033-m/sup 3/ blast furnace which included replacement of the shell of the uncooled part of the stack, the protective slabs of the crown and top, and the cooling slabs of the stack and bosh and partial replacement of the coolers in the tuyere zone. Work was completed on making and setting up the drag conveyor, unitized disassembly of the uncooled part of the stack, concreting the protective slabs of the top, installing planking on the suspended platforms, constructing a temporary platform and other tasks.
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