How is the air excess factor controlled after waste gas recycling?
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This post was last edited by angryant on 2019-1-2 21:04. Coking is carried out in coke ovens, using coke oven gas as fuel; the air excess factor used to be 1.20~1.25. Now that waste gas recycling systems are installed in coke ovens, have there been any changes in the values of the air excess factor and its calculation formula? Note: (Waste gas recirculation refers to the process in which a portion of the waste gas from the flue ducts is drawn out by a fan and sent back to the regenerative chamber in the upward airflow of the coke oven, with the aim of reducing nitrogen oxides and improving upward heating.) ）
Production control is maintained at a level of 1.0 to 1.05; for detailed information, refer to an issue of \"China Coking Industry\" published in 2017
Could you help find that book or send a screenshot? Thank you in advance.