Krasnouralsk (Sverdlovsk region)
JSC "Svyatogor" (an enterprise of the metallurgical complex of UMMC) has started overhaul of the reverberatory furnace No. 2. Initially, the smelting unit of the metallurgical shop, intended for the production of copper matte, was stopped for cooling. Then the stage of dismantling work began.
- Currently, we are currently dismantling the metal structures of the reverberatory furnace and the caisson gas duct on our own, - said Vadim Gladkikh, senior foreman of the smelting department of the metallurgical shop. - Collapse of masonry, internal cleaning of the unit from old bricks, disassembly of the mass with crushing of flakes, etc. the specialists of the contracting organization - LLC "Uraldomnaremont" (Pervouralsk) are engaged.
To erect new walls and the roof of the furnace will require about 1,100 tons of refractory bricks. At the same time, using new technologies, expansion joints will be laid with cardboard. When heated, it burns out, the voids close, compensating for the thermal expansion of the refractory brick, due to which there is no deformation of the wall masonry.
A lot of work will be done with the caisson gas duct of the unit. This equipment is necessary for the removal of exhaust gases from the reverberatory furnace.
The second, no less important stage in laying refractory bricks will be carried out by the specialists of the contractor. The completion date for the overhaul is scheduled for the end of September. Only after that the unit will be put into drying, and a month later it will be put into operation.
Svyatogor's expenses for the repair of the furnace and the caisson gas duct will amount to about 110 million rubles.