A heat recovery pilot plant installed by Siemens Metals Technologies in the electric steel plant of Stahlwerk Thüringen GmbH in Unterwellenborn (Germany) is now in operation since April 2012. The plant uses molten salt as heat transfer medium, and is connected to the existing exhaust gas system of the electric arc furnace. The objective of the pilot project is to validate possible materials for use under high temperatures, and to investigate the conditions required to achieve the highest possible energy recovery efficiency. The duration for operating the pilot plant is preliminary defined for one year.
The heat recovery plant installed
The heat recovery plant installed
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