In the melting shop Kola (a subsidiary of MMC "Norilsk Nickel") with 2 frequency converter Swedish-Swiss company ABB. They are designed to increase the efficiency of flue-gas, which is sent from the sulfur dioxide converters for processing into sulfuric acid unit.
Each inverter is equipped with a powerful motor and transformer. Hardware controls the fan speed exhaust fan, increasing it during peak downloads melting units and thereby ensuring maximum absorption of the exhaust gases. Thus, the new technology will utilize a greater amount of sulfur dioxide. For the border town of Nikel, where there are smelting production Kola Peninsula, it is especially important from the standpoint of environmental safety. To purchase new equipment Kola MMC has spent about 20 million rubles.