Clean and Efficient Burner Systems for Heat Treating Furnaces
The reduction of waste gas losses is often the most effective and economic way to increase the efficiency of industrial furnaces.Regenerative burners achieve highest efficiency but one has accept a certain expenditure for cyclic switching and exhaust gas suction.This might not be justified for smaller burner sizes and furnaces.A new gap flow recuperative burner reaches almost the same efficiencies with a recuperative system.To increase the working temperature range,the gap flow heat exchanger can be combined with a ceramic heat exchanger.One important aspect which has to be considered is thermal NO-formation,especially when preheating the combustion air.The use of flameless oxidation technology enables lowest NOx emissions despite high air preheat temperatures.
combustion heat recovery preheated air low NOx flameless oxidation
Joachim G. Wünning Li Jun
WS W(a)rmeprozesstechnik GmbH,Renningen,Germany Baosteel Group Corporation Research Institute R&D Center
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2015-10-21（万方平台首次上网日期，不代表论文的发表时间）