Objective
Due to needed high temperature in reheating and direct reduction furnaces natural gas or oil are used in general. These are expensive fuels and at the same time steel works by-product gases like top gas are often not used but flared.
Flame temperature of top gas normally does not reach the required level for reheating and direct reduction processes. Therefore a combined preheating of combustion air and top gas by the use of ceramic regenerators will be developed and tested.
Therewith waste gas is exhausted locally instead of streaming throughout the complete furnace and local temperatures inside the furnace will become adjustable more precisely.
Topic(s)
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BETRIEBSFORSCHUNGSINSTITUT VDEH-INSTITUT FUR ANGEWANDTE FORSCHUNG GMBH
EU contribution
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