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单角煤粉炉回流区内NO_x的生成特性
引用本文:沈文生,马晓茜,陈烈强.单角煤粉炉回流区内NO_x的生成特性[J].锅炉技术,1999(10).
作者姓名:沈文生  马晓茜  陈烈强
作者单位:华南理工大学!510640
基金项目:广东省自然科学基金,教育部重点科技项目资助
摘    要:根据NOx产生和分解的化学反应动力学方程式,建立了单角煤粉炉中NOx生成模型。引用已有的单角炉中两种燃烧器后温度和氧气浓度的实测结果,计算了回流区中的NOx浓度分布。分析了3种燃烧器的NOx生成特性,讨论了煤粉浓缩到NOx生成的影响。

关 键 词:低NOx燃烧  燃烧器  煤粉浓缩  回流区

Properties of NOx Formation in Recirculation Flow Zone Inside a Single Pulverized Coal Furnace
Shen Wensheng,Ma Xiaoxi,Chen Lieqiang.Properties of NOx Formation in Recirculation Flow Zone Inside a Single Pulverized Coal Furnace[J].Boiler Technology,1999(10).
Authors:Shen Wensheng  Ma Xiaoxi  Chen Lieqiang
Affiliation:Shen Wensheng;Ma Xiaoxi;Chen Lieqiang
Abstract:A model of NOx formation was established for a single pulverized coal furnace according to the chemical reaction dynamic equation of formation and decomposition of NOx The NO. distribution in the recirculation zone was calculated using the existing measured temperature and O2 concentration behind two types of burner inside a single pulverized coal furnace. Properties of NOx formation were analyzed for three types of burner and effect of enriched pulverized coal to NO. were discussed.
Keywords:Low NOx combustion  Burner  Enriched pulverized coal  Recirculation flow zone
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