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二次风对层燃炉燃烧特性影响的实验研究
引用本文:王清成,罗永浩,陆方,胡.二次风对层燃炉燃烧特性影响的实验研究[J].动力工程,2006,26(6):780-783,807.
作者姓名:王清成  罗永浩  陆方  
作者单位:上海交通大学,机械与动力工程学院,上海,200240
摘    要:在单元体层燃炉模型炉上,对采用空气分级燃烧技术前后的燃料层温度、烟气中的CO、O2、NOx浓度进行了试验研究。采用分级燃烧技术后,点火时间缩短,燃烧剧烈区出现较晚,CO和O2浓度降低,有利于可燃气体的燃尽,减少了主燃烧区NOx的排放。

关 键 词:动力机械工程  层燃炉  单元体模型  空气分级  实验研究
文章编号:1000-6761(2006)06-780-04
收稿时间:2006-01-15
修稿时间:2006-01-152006-04-15

Influence of Secondary Air on Combustion Characteristics of Grate-Fired Furnaces
WANG Qing-cheng,LUO Yong-hao,LU Fang,HU Ling-yuan,DUAN Jia.Influence of Secondary Air on Combustion Characteristics of Grate-Fired Furnaces[J].Power Engineering,2006,26(6):780-783,807.
Authors:WANG Qing-cheng  LUO Yong-hao  LU Fang  HU Ling-yuan  DUAN Jia
Affiliation:Institute of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200240, China
Abstract:With a fixed-grate furnace model, the temperature of fuel layer and the concentration of CO, O2 and NOx in flue gas were studied respectively before and after application of the air-staged combustion technology. Shortened ignition time, delayed appearance of violent combustion and reduced concentration of CO and O2 were attained after the technology was adopted, which were all profitable for burn out of combustible gases. In addition, a reduction of about 20 % NOx emission was obtained.
Keywords:power and mechanical engineering  grate-fired furnace  fixed-grate furnace model  air-staged  experimental study
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