India: The new blast furnace at IISCO Steel Plant, Burnpur, West Bengal has now produced 1Mt/yr of steel, in less than a year after its commissioning. Kalyani, the country's largest blast furnace, was established on 30 November 2014.
The 4160m3 furnace was built by South Korea's POSCO (Engineering and Construction) and India's NCC Ltd and can produce about 8000t/day. With an enhanced campaign life of 20 years, the blast furnace is equipped with systems such as pulverised coal injection, cast house fume extraction, cast house slag granulation, high top pressure operation coupled with top pressure recovery turbine, twin material bin bell-less top, waste heat recovery and conveyor belt charging system. It incorporates level-II automation and has twin flat cast house with four tap holes.
The environmentally-friendly furnace ensures minimum emissions and recovers waste energy to the fullest and also has a closed-loop cooling system resulting in almost zero water discharge.
