研究0.5 MW循环流化床实验台在混煤稳定燃烧条件下,烟尘颗粒分布规律及炉内投放石灰石对重金属排放的影响.加入石灰石后烟尘浓度从2.98增至5.04 g/Nm3,烟尘颗粒中位径从6.2增至10.1 μm.重金属在颗粒物上的分布规律显示半挥发性元素Pb和Cd在小颗粒中的含量随粒径减小而增加,有在亚微米颗粒上富集的趋势.炉内高温燃烧过程中投放石灰石对重金属Hg,Cd,Pb,Ni,Cu有一定的吸附作用.
参考文献
[1] | Lockwood F.C.;Yousif S. .A model for the particulate matter enrichment with toxic metals in solid fuel flames[J].Fuel Processing Technology,2000(3):439-457. |
[2] | Ho T C.Trace Metal Capture by Various Sorbents during Fluidized-Bed Coal Combustion[A].,1997:877-888. |
[3] | Minghou Xu;Rogn Yah;Chuguagn Zheng;Yu Qiao;Jun Han;Changdong Sheng .Status of trace element emission in a coal combustion process:a review[J].Fuel Processing Technology,2004(2/3):215-237. |
[4] | 杨明珍;陈松林.工业锅炉除尘设备[M].北京:中国环境科学出版社,1986:152-154. |
[5] | 徐鸿,高翔,骆仲泱,王涛,王鹏,施正伦,岑可法.燃煤锅炉排放的碳气溶胶特性分析[C].中国工程热物理学会燃烧学学术会议论文集,2003:100-108. |
[6] | Biswas P.;Wu CY. .Control of toxic metal emissions from combustors using sorbents: A review [Review][J].Journal of the Air & Waste Management Association,1998(2):113-127. |
[7] | 任建莉 .燃煤过程汞析出及模拟烟气中汞吸附脱除试验和机理研究[D].浙江大学,2003. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%