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Rashtriya Ispat Nigam Limited eyes capacity overhaul

Steel plant vizag picture

Visakhapatnam: As part of its plans to increase production capacities, Rashtriya Ispat Nigam Limited (RINL) has submitted a proposal to the ministry of environment and forests (MoEF) seeking nod to revamp the capacity of Visakhapatnam Steel Plant (VSP) from the existing 6.3 mtpa (million tonnes per annum) to 7.3 mtpa. The capital cost of the expansion project is estimated at around Rs 10,200 crore.

According to the prefeasibility report submitted to the MoEF, RINL has said the earlier environmental clearance that was received from the ministry was for increasing hot metal production from 4 mtpa to 6.5 mtpa, liquid steel production from 3.5 to 5.3 mtpa, saleable steel from 3.17 to 5.72 mtpa, coal chemicals from 0.18 to 0.23 mtpa and power generation from 235 mw to 384 mw. Now, RINL intends to expand its capacity of liquid steel production from 6.3 to 7.3 mtpa.

According to RINL, “During commissioning and revamping of the equipment of 6.3 mtpa expansion programme, RINL adopted the ‘Best Available Technologies (BAT)’ which help in reduction of pollution and increase in productivity. After reviewing the detailed design and technology options, it was seen that the plant can achieve 7.3 mtpa of liquid.”

The proposal would be primarily based on revamping of Blast furnace 1 and 2, Sinter plant 1 and 2, Steel Melting Shop-1 and installation of convertor-3 (1 X 150 T capacity ) and caster-4 (1 x 5-strand combi-caster). The production of hot metal and liquid steel will be around 7.5 mtpa and 7.3 mtpa, respectively after the above expansion and modernization schemes are executed, the report stated.

 The total land area in possession with the company is 8,827 hectares of which the plant area is 3,240 hectares and no additional land will be required for this capacity augmentation project.
The plant water requirement is 30 MGD (million gallons per day) and for township and others it is estimated at 8 MGD for 6.3 mtpa stage. The additional water required for the proposed augmentation would be 7 MGD of which 6 MGD would be required for the operation of plant and 1 MGD for the township and others. The water will be sourced from existing Yeleru Reservoir. RINL has accorded permission for withdrawal of 45 MGD from Visakhapatnam Industrial Water Supply Company Limited (VIWSCO). The power requirement for operating the steel plant including township at 6.3 MTPA stage is 470 mw of which in plant generation is 384 mw and the balance 86 mw is drawn from APTRANSCO. The additional power required for the proposed expansion is 76 mw, which will be sourced from the APTRANSCO.