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2种脱硫剂喷水增湿活化烟气脱硫研究
引用本文:赵长遂,吴树志,刘现卓,吴新,陈晓平,段钰锋.2种脱硫剂喷水增湿活化烟气脱硫研究[J].东南大学学报,2003,19(4):355-358.
作者姓名:赵长遂  吴树志  刘现卓  吴新  陈晓平  段钰锋
作者单位: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
基金项目:TheSpecialFundsofStateKeyProjectforFundamentalResearch (G19990 2 2 2 0 1 0 4)
摘    要:本介绍了在增湿活化反应器中喷入雾化水滴采用生石灰和熟石灰烟气脱硫的试验结果.研究了钙硫摩尔比、烟气露点温距、二氧化硫浓度和烟气流速等因素对脱硫效率和脱硫剂钙利用率的影响规律.比较了2种脱硫剂的脱硫特性,分析了喷水增湿改善脱硫效率的机理.结果表明,喷水增湿活化明显改善了2种脱硫剂的活性,生石灰比熟石灰具有价格优势因而市场前景更好.

关 键 词:脱硫剂  烟气脱硫  增湿活化反应器  生石灰  熟石灰  空气污染

Research on flue gas desulphurization with two sorbents by water spray in activated reactor
Zhao Changsui,Wu Shuzhi,Liu Xianzhuo,Wu Xin,Chen Xiaoping,Duan Yufeng.Research on flue gas desulphurization with two sorbents by water spray in activated reactor[J].Journal of Southeast University(English Edition),2003,19(4):355-358.
Authors:Zhao Changsui  Wu Shuzhi  Liu Xianzhuo  Wu Xin  Chen Xiaoping  Duan Yufeng
Abstract:The experimental results of flue gas desulphurization with caustic lime and hydrated lime activated by water spraying in a desulphurization reactor are presented. The effects of Ca/S molar ratio, approach to saturation of flue gas, SO 2 concentration and gas velocity on sulfur retention efficiency and calcium utilization rate are investigated. Desulphurization characteristics of the two sorbents are compared. The mechanism of improving desulphurization efficiency by water spraying is analyzed. The results show that the activities of two sorbents are improved obviously by humidification with water spray and the caustic lime has better application prospect because of cheaper cost.
Keywords:desulphurization  lime  water spray  activation
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