中小型燃气锅炉NO_x源头控制及低氮燃烧技术研究进展  

Research Progress on Low NO_x Combustion and Source Control Technology of Middle and Small Size Gas-fired Boiler

作　　者：刘少林 吴金星[1] 倪硕[1] 杨禹坤 

机构地区：[1]郑州大学化工与能源学院节能技术研究中心,河南郑州450001

出　　处：《工业锅炉》2017年第5期17-23,27,共8页Industrial Boilers

基　　金：河南省重点科技攻关项目(NO.132102210406);郑州市科技攻关项目(NO.141PPTGG410)

摘　　要：介绍了燃气燃烧过程中热力型NO_x和快速型NO_x的生成机理,从对空气的预处理、对燃气和空气的混合分配两个方面综述了燃烧源头控制降低NO_x排放的技术,主要包括高温空气燃烧、柔和燃烧、浓淡燃烧、分级分段燃烧、脉动燃烧、烟气再循环等单一技术和旋流与富氧燃烧、烟气再循环与高温空气燃烧等组合技术;结合低NO_x原理,综述了低NO_x技术的实现形式,指出低NO_x燃烧技术的发展前景。Introduced the mechanism of thermal NO. and prompt NO. formation during gas combustion, summarized the combustion source control technology for reducing NO. emission from two aspects as pretreatment of air, mixing and dis- tribution of gas and air, including single technologies such as high temperature air combustion, mild combustion, dense-di- lute combustion, multi-stage combustion, oscillating combustion, flue gas recireulation, ere; integrated technologies such as swirl and oxygen enriched combustion, flue gas recirculation cooperated with high temperature air combustion technolo- gy, etc.Introdueed the realization of low NO- technologies, such as the optimal design of new type low NO- burner and boiler structure （ air supply system, furnace profile shape）, and points out the development prospect of low NO, combustion tech- nologies.

关 键 词：燃气锅炉 炉胆 低NOX燃烧 热力型NOx 快速型NOx 烟气再循环 

分 类 号：X511[环境科学与工程—环境工程]