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| 外燃式微油点火燃烧器机理及应用 | |
| 引用本文： | 姜宏武,蔡昌忠,李文华,翁善勇.外燃式微油点火燃烧器机理及应用[J].中国电力,2011,44(3):43-46,68. |
| 作者姓名： | 姜宏武 蔡昌忠 李文华 翁善勇 |
| 作者单位： | 1. 安庆石化热电厂,安徽,安庆,246002 2. 中国石化上海石油化工股份有限公司,热电事业部,上海,200540 3. 浙江浙能温州发电有限公司,浙江,温州,325602 4. 浙江大学热能工程研究所,浙江,杭州,310027 |
| 摘 要： | 针对火电厂煤粉锅炉冷态节油点火、低负荷稳燃、煤种适应性提高、低NOx运行等要求,开发了新型外燃式微油点火燃烧器,点火燃油量在100 kg/h左右,该燃烧器同时作为主燃烧器使用,并具有低负荷稳燃与低NOx功能。5台锅炉的工业应用结果表明,外燃式微油点火燃烧器可实现锅炉冷态点火,煤粉燃尽率在82%以上,可实现不投油自然停炉,NOx下降率为25%左右,结合燃尽风后NOx下降率达55%左右。中心风是该燃烧器的主要调节手段,数值计算表明,调节中心风可以改变燃烧器出口回流区长度,从而调节煤粉着火点位置。 |
| 关 键 词： | 燃烧器 微油点火 外燃式 中心风 稳燃 煤种适应性 低NOx |
Application and mechanism of external tiny-oil ignition burner |
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| JIANG Hong-wu,CAI Chang-zhong,LI Wen-hua,WENG Shan-yong.Application and mechanism of external tiny-oil ignition burner[J].Electric Power,2011,44(3):43-46,68. | |
| Authors: | JIANG Hong-wu CAI Chang-zhong LI Wen-hua WENG Shan-yong |
| Affiliation: | JIANG Hong-wu1,CAI Chang-zhong2,LI Wen-hua3,WENG Shan-yong4(1.Anqing Shihua Power Plant,Anqing 246002,China,2.Thermal Power Division,Sinopec Shanghai Petrochemical Company Limited,Shanghai 200540,3.Zhejiang Energy Wenzhou Power Co.,Ltd.,Wenzhou 325602,4.Institute of Thermal Power Engineering,Zhejiang University,Hangzhou 310027,China) |
| Abstract: | According to the requirement of less oil ignition,lower load combustion stabilization,and more coals suitability for power plant boilers,a new external tiny-oil(about 100 kg/h) ignition burner was developed.The new burner is also main burner of a boiler with the ability of low load combustion stabilization and low NOx emission.The results of the applications in 5 boilers showed that the external tiny-oil ignition burner could start boilers in cold condition with upon 82% burnout of pulverized-coal.The burne... |
| Keywords: | burner tiny-oil ignition external combustion central air flow combustion stabilization coal suitability low NOx |
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