不同再燃技术降低燃煤锅炉NO_(x)排放的对比分析  

Comparative Analysis of NO_(x) Generation in Coal-fired Boilers Reduced by Different Recombustion Fuels

作　　者：周虎飞 任建兴 李芳芹 李浩阳 ZHOU Hufei;REN Jianxing;LI Fangqin;LI Haoyang(School of Energy and Mechanical Engineering,Shanghai University of Electric Power,Shanghai 200090,China)

机构地区：[1]上海电力大学能源与机械工程学院,上海200090

出　　处：《上海电力大学学报》2023年第4期371-375,382,共6页Journal of Shanghai University of Electric Power

摘　　要：目前降低NO_(x)生成与排放技术中,再燃技术具有改造费用低、锅炉运行效率高、降低NO_(x)排放效率显著等特点。通过分析超细粉、生物质气、天然气和H 2作为再燃燃料的机理、影响因素、优缺点和实际应用情况,比较了不同再燃技术降低NO_(x)排放的技术参数和经济性,发现H 2再燃技术降低燃煤锅炉NO_(x)排放具有较大优越性。Among the current NO_(x) generation and emission reduction technologies,the reburning technology has the characteristics of low transformation cost,high boiler operation efficiency,and remarkable NO_(x) reduction efficiency.By analyzing the mechanisms,influencing factors,advantages and disadvantages and actual application situation of ultrafine powder,biomass gas,natural gas and H 2 as refuelling fuel,the technical parameters and ecnomy of different recombustion technology are compared to reduce NO_(x) emissions.It is obtained that H 2 as recombustion technology to reduce boiler NO_(x) emission has superiority.

关 键 词：燃煤锅炉 再燃技术 再燃燃料 NO_(x)排放 

分 类 号：TQ541[化学工程—煤化学工程]