Siemens Metals Technologies has received an order from the state-owned Indian Rashtriya Ispat Nigam Ltd. (RINL) to modernize blast furnace No. 2 at the Visakhapatnam steel plant (Vizag Steel).
Interior volume will be boosted from 3,200 to 3,820 m3, and this will increase production capacity to 7,150 tons per day. A total of five hot blast stoves will be upgraded on blast furnaces No. 1 and 2 to bring them in line with current technology. Capital repair of the blast furnace will be completed in the third quarter of 2015 while modernization of the hot blast stoves will be finished in 2016.
The hearth and tuyere of the blast furnace will be replaced and it will be equipped with new tuyeres, a new bustle main and a new tuyere platform. The refractory lining and the stave cooling system will be completely renewed. Siemens also will install a new cooling circuit, including a pump house, and modernize the water-treatment system. The project also includes a new gas cleaning plant with a gas scrubber, and construction and equipment of the new cast house.