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Water cooled elements
Water cooled elements with protective cover are elaborated. Cover promotes decrease of panel oxidation, crack formation and heat loss.

EAF charge
A new technology base and approptiate equipment for carbon-thermal reduction of iron containing technogeny wastes is elaborated in order to utilize these wastes in capacity of part of the EAF charge.

EAF off gas suction elbow
EAF off gas suction elbow with a system of primary dust removal is elaborated. It provides a possibility of metal charge burning decrease due to partial return of heavy particles into the EAF.
Central water cooled part of the roof

Design (load -dwg 10)                                                Operation

The central part of the roof, especially in high capacity electrical arc furnaces (EAF), is subject to influence of high thermal loading and electric arches. Despite of the reached successes at use of ceramic cast blocks, search of more effective decisions on increase of its stability proceeds. One of directions is use of water cooled elements in the central part of the roof, however for its realization special technical decisions are required.

Our Company has achieved the certain successes in realization of the central water-cooled part on the EAF average capacity (up to 0,5 MW/ton) and heat mass 50-100 ton. In a basis of development the combined caisson-tubular design with demountable cast ceramic blocks around of electrodes lays. Its use provides economy of refractory 1-1,5 kg/ton of steel in comparison with traditional refractory central part at the constant specific electric power consumption.