降低管式加热炉氮氧化物排放的有效途径  

Effective Ways to Reduce Nitrogen Oxide Emissions from Tube Heating Furnaces

作　　者：杨克 YANG Ke(Jinling Petrochemical Alkylbenzene Plant,Nanjing 210046,China)

机构地区：[1]金陵石化烷基苯厂,江苏南京210046

出　　处：《化工管理》2024年第15期77-80,共4页Chemical Engineering Management

摘　　要：石化装置管式加热炉燃烧过程中产生的氮氧化物伴随着烟气排放至大气中,对环境与人类具有较大的危害。文章介绍了某石化装置管式加热炉烟气中氮氧化物的生成机理与排放浓度计算方法,并以高热负荷管式加热炉NF-503、低热负荷管式加热炉F-101C为例,探讨了低氮燃烧器改造、降低过剩空气系数、降低热空气温度等加热炉氮氧化物减排措施的原理、适用条件与应用效果。研究结论对相关企业管式加热炉氮氧化物减排具有一定的借鉴意义。The nitrogen oxide generated during the combustion process of the tube heating furnace in petrochemical plants are discharged into the atmosphere along with flue gas,which poses significant harm to the environment and human beings.This article introduces the generation mechanism and emission concentration calculation method of nitrogen oxide in the flue gas of a certain petrochemical unit’s tube heating furnace.Taking high heat load tube heating furnace NF-503 and low heat load tube heating furnace F-101C as examples,the principles,applicable conditions and application effects of nitrogen oxide emission reduction measures in heating furnaces such as low nitrogen burner transformation,reduction of excess air coefficient and reduction of hot air temperature are discussed.The research conclusion has certain reference significance for reducing nitrogen oxide emissions in tube heating furnaces of related enterprises.

关 键 词：管式加热炉 氮氧化物 低氮燃烧器 过剩空气系数 热空气温度 

分 类 号：X701[环境科学与工程—环境工程]