通过对稀释剂在NOx治理方面的作用展开了简要的分析和评价.分析表明,氧浓度越高,CO2稀释效果越明显,NOx浓度越低;N2稀释燃料火焰质量流量的效果比稀释空气对降低NOx浓度更加有效.CO2和N2两者不论是空气还是燃料稀释,都会减少NOx的稀释量,在同一速度下,稀释空气比稀释燃料对NOx降低更有效.不过,稀释浓度的增加会导致温度的下降.而SO2在贫燃料状态下,N/S中的S越大,NOx生成越小;在富燃料状态下,S越大NOx生成越大.
参考文献
| [1] | 吴碧君.燃烧过程中氮氧化物的生成机理[J].电力环境保护,2003(04):9-12. |
| [2] | 新井纪男;三蒲隆利;宫前茂广.燃烧生成物的发生与抑制技术[M].北京:科学出版社,2001 |
| [3] | 杨浩林,赵黛青,鲁冠军.CO2稀释燃料对富氧扩散燃烧中NOx生成的抑制作用[J].热能动力工程,2006(01):43-47. |
| [4] | Beltramea Porshnev P .Soot and NO formation in methane oxygen enriched diffusion flames[J].Combustion and Flame,2001,124:295-310. |
| [5] | Zhao D;Yamashita H.A numcrical study on flame structure and NOx formation of oxygen enriched air/methane counterflow diffusion flame[J].The Society of Chemical Engineers,2001:300-308. |
| [6] | Geir J. Rortveit;Johan E. Hustad;Shui-Chi Li .Effects of Diluents on NO_x Formation in Hydrogen Counterflow Flames[J].Combustion and Flame,2002(1/2):48-61. |
| [7] | Liu F S;Guo H S .The chemical effects of carbon dioxide as an additive in an ethylene diffusion flame:implications for soot and NOx formation[J].Combustion and Flame,2001,125:778-787. |
| [8] | 冯耀勋,赵黛青,贾明生,郑晓峰.富氧空气/甲烷扩散燃烧的NO抑制机理的数值研究[J].工业加热,2005(05):10-13. |
| [9] | Hampartsoumian E;Nimmo W;Clarke A G et al.The formation of NH3,HCH and N2O in an air-staged fuel oil flame[J].Combustion and Flame,1991,85(03):499-504. |
| [10] | Pfefferle L D;Churcill S W .Effect of fuel sulphur on nitrogen oxide formation in a thermally stabilised plug-flow burner[J].Industrial and Engineering Chemistry Research,1989,28:1004-1010. |
| [11] | Hampartsoumian E;Ninmo W;Gibbs B M .Nitrogen sulphur interactions in coal[J].Flames Fuel,2001,80:887-897. |
| [12] | De Soete G .Institut Francais du Petrole[R].Final report no.23306.RuiellMalmaison,France,1975. |
| [13] | Zeldovich Y B;Sadovnikov P Ya;Frank-K D A .Role of density fluctuations in bimolecular reaction kineties[J].Chemical Physics,1978,28(02):215-218. |
| [14] | K.J.Hughes;A.S.Tomlin;E.Hampartsoumian .An Investigation of Important Gas-Phase Reactions of Nitrogenous Species from the Simulation of Experimental Measurements in Combustion Systems[J].Combustion and Flame,2001(4):573-589. |
| [15] | Feese JJ.;Turns SR. .Nitric oxide emissions from laminar diffusion flames: Effects of air-side versus fuel-side diluent addition[J].Combustion and Flame,1998(1/2):66-78. |
| [16] | 赵黛青,冯耀勋,刘庆才,山下博史.燃料稀释对富氧空气/甲烷扩散火焰中氮氧化物生成的影响[J].热能动力工程,2004(04):367-371,420. |
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