| O2/CO2气氛下燃煤过程中SO2排放特性实验 |
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| 引用本文： | 陈传敏,赵长遂,赵毅,梁财,庞克亮.O2/CO2气氛下燃煤过程中SO2排放特性实验[J].东南大学学报(自然科学版),2006,36(4):546-550. |
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| 作者姓名： | 陈传敏 赵长遂 赵毅 梁财 庞克亮 |
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| 作者单位： | 华北电力大学环境科学与工程学院,保定,071003;东南大学洁净煤发电及燃烧技术教育部重点实验室,南京,210096 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 通过沉降炉对O2/CO2气氛和空气气氛下煤粉燃烧过程中SO2排放特性进行实验,结果表明,随燃料/氧化学当量比的增加,烟气中SO2浓度升高,单位煤生成SO2的量随燃料/氧化学当量比的增加而减少.在实验条件下,不加石灰石时,气氛和温度对SO2的生成无明显影响,SO2的生成量只与煤中含硫量以及煤的种类有关.当煤中加入石灰石后,O2/CO2气氛下SO2的排放量远小于空气气氛下,这主要是因为石灰石在O2/CO2气氛下取得的脱硫效率大大高于空气气氛下的脱硫效率.
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| 关 键 词： | O2/CO2气氛 煤粉燃烧 SO2排放 脱硫 石灰石 |
| 文章编号： | 1001-0505（2006）04-0546-05 |
| 收稿时间： | 12 13 2005 12:00AM |
| 修稿时间： | 2005-12-13 |
Experiments of SO2 emission characteristics during coal combustion under O2/CO2 atmosphere |
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| Chen Chuanmin,Zhao Changsui,Zhao Yi,Liang Cai,Pang Keliang.Experiments of SO2 emission characteristics during coal combustion under O2/CO2 atmosphere[J].Journal of Southeast University(Natural Science Edition),2006,36(4):546-550. |
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| Authors: | Chen Chuanmin Zhao Changsui Zhao Yi Liang Cai Pang Keliang |
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| Institution: | 1. School of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, China; 2. Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, Nanjing 210096, China |
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| Abstract: | The experiments of SO_2 emission characteristics during pulverized coal combustion were performed under O_2/CO_2 atmosphere and compared with air atmosphere.The results show that the SO_2 concentration in flue gas increases and produced SO_2 per gram decreases with increasing fuel/oxygen equivalence ratio.The atmosphere and temperature have no influence on the quantity of released SO_2 when no limestone is added.The quantity of released SO_2 is only related to the content of sulfur and the kind of coal.With limestone added the released SO_2 is much lower in O_2/CO_2 atmosphere than in air.This result is associated with the fact that the desulfurization efficiency of limestone is much higher in O_2/CO_2 atmosphere than in air. |
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| Keywords: | O_2/CO_2 atmosphere pulverized coal combustion SO_2 emission desulfurization limestone |
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