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Siemens to supply RH Vacuum Degassing Plant for Rourkela Steel Works

 

12-Sept-2010
SAIL’s Modernization - Places order with SIEMENS
Siemens RH Vacuum Degassing Plant
RH Vacuum Degassing Plant
As a part of modernization and expansion program for its Rourkela Steel Works in Orissa, which is intended to increase raw steel production to around 4.2 million tons per year, SAIL (Steel Authority of India) has recently placed an order with Siemens VAI Metals Technologies to supply an RH vacuum degassing plant to RSP. The new plant will allow high-quality steel grades up to cold-rolled non-oriented types to be produced. The order is worth €10M. The RH plant is scheduled to come into operation by the middle of 2012.

The main functions of the RH degassing plant in the Rourkela Steel Works are the removal of hydrogen, forced decarburization and the chemical heating of the liquid steel. The liquid steel is treated under vacuum conditions with argon as lift gas for circulation of steel. Twenty-four heats can be treated per day, which amounts to a production capacity of about one million tons of liquid steel per annum. The Siemens RH plant has a capacity of 150 tons, and is designed as a Mono-block design vessel with welded snorkel tubes. The RH-vessel is raised and lowered by a winch system.

Rourkela Steel Plant was the first integrated steel plant in the public sector in India and also the first in Asia to adopt the LD technology.  This order is unique in the sense that it has re-started the relationship between Siemens VAI and RSP in bringing about further enhancement of technology for production of special grades of steel. A third BOF converter will be constructed in Steel Melting Shop II  with secondary steelmaking facilities – including the Siemens RH plant, and a continuous slab caster.

Further information can be found at http://www.siemens.com/ 

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