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管状燃烧器中低热值预混气的燃烧特性 被引量：4

Combustion Characteristics of Low Calorific Premixed Gas in Tubular Flame Burner
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摘要 实验研究了低热值CH_4/N_2/Air预混气在旋流管状燃烧器中的燃烧以及污染物排放特性。固定过量空气系数为1.17,通过调节N_2比例得到热值在3.6～5 MJ/m^3之间的低热值预混气。结果表明,管状火焰半径随预混气热值降低而减小,当热值小于一定值时,燃烧器的燃烧效率急剧下降,烟气中CO含量大量增加,但NO_x含量始终很低。 Combustion and pollutant emission characteristics of premixed low calorific CH4/N2/Air have been studied with a swirl-type tubular flame burner. Excess air coefficient was fixed as 1.17 and concentration of N2 was adjusted to range the calorific value of premixed gas between 3.6-5 MJ/m3. Result showed flame radius reduces with the decrease of calorific value. When the calorific value gets less than certain value, combustion efficiency drops sharply and the concentration of CO in flue gas increases largely, while the concentration of NOx remains low.
作者 高娜 杨浩林 汪小憨 曾小军 杨卫斌 赵黛青
机构地区 中国科学院广州能源研究所 中国科学院可再生能源与天然气水合物重点实验室 中国科学院研究生院
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2012年第9期1643-1645,共3页 Journal of Engineering Thermophysics
基金 广州市科技计划项目(No.200922-D431) 广东省科技计划项目(No.2010B031900038)
关键词 低热值燃气 管状燃烧器 火焰特性 节能 污染物控制 LCVG tubular burner flame characteristics energy saving emission reduction
分类号 TK16 [动力工程及工程热物理—热能工程]
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参考文献11

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同被引文献29

  • 1彭世尼.低压引射式燃烧器结构参数的计算理论与实践[J].煤气与热力,1995,15(4):27-31. 被引量：5
  • 2邢守正,李保卫,赵增武,武文斐,陈伟鹏,苍大强.平焰半预混燃烧NO_X排放特征的试验研究[J].工业加热,2007,36(3):32-34. 被引量：2
  • 3Ishizuka S. On the behavior of premixed flames in a ro- tating flow field: Establishment of tubular flames EJ]. Symposium (International) on Combustion, 1985 , 20 (1) : 287-294.
  • 4Yamamoto K, Asai H, Isizuka S, et al. Mechanism of flame stability in a rotating flow (combustion characteris- tic of tubular flames in a hydrogen/air mixture)[J]. JSME Journal Series B, 1998, 64(624) : 2677- 2682 (in Japanese).
  • 5Yamamoto K, Ishizuka S, Hirano T. Effect of rotation on tubular flames in an axisymmetric flow field[J]. JSME Journal Series B, 1996, 62(600) : 3185- 3190 (in Japanese).
  • 6Yamamoto K, Ishizuka S. Temperatures of positively and negatively stretched flames EJ]. JSME International JournalSeriesB, 2003, 46(1): 198-205.
  • 7Zhang Y, Shimokuri D, Mukae Y, et al. Flow field in swirl-type tubular flame burner [J]. JSME International JournalSeriesB, 2005, 48(4) : 830-838.
  • 8Ishizuka S. Characteristics of tubular flames [J]. Progress in Energy and Combustion Science, 1993, 19(3) : 187-226.
  • 9Shimokuri D, Ishizuka S. Flame stabilization with a tubular flame [J]. Proceedings of the Combustion Insti- tute, 2005, 30(1): 399-406.
  • 10Ishizuka S, Motodamari T, Shimokuri D. Rapidlymixed combustion in a tubular flame burner [J]. Proceed- ings of the Combustion Institute, 2007, 31(1): 1085- 1092.

引证文献4

二级引证文献6

工程热物理学报
2012年 第9期

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