刘亚明,潘丹萍,徐齐胜,郭彦鹏,黄荣廷,杨林军

• 1:广东电网有限责任公司电力科学研究院
• 2:东南大学能源热转换及其过程测控教育部重点实验室

摘要(Abstract)：

针对石灰石石膏法脱硫系统出口排放细颗粒物主要来源于脱硫浆液蒸发夹带,考察了脱硫操作条件、杂质以及脱硫添加剂等对脱硫浆液中脱硫产物结晶特性的影响,并初步确定出口烟气细颗粒物浓度与脱硫浆液晶体粒度的关系。结果表明,脱硫浆液中晶体主要为石膏,温度过高过低均不利于晶体的生长;减小石灰石粒度、提高脱硫浆液p H值、以及在脱硫浆液中添加Fe3+和F-会抑制晶体长大,促进微细晶体的生成,而添加脱硫增效剂TL-02能够有效抑制细小晶核的形成。脱硫浆液中晶体粒径与出口烟气中颗粒物浓度相关,增加浆液中晶体粒度,出口细颗粒物排放浓度降低,细颗粒物总体粒径增加。

关键词(KeyWords)： 石灰石石膏法;脱硫;石膏;结晶;细颗粒物

Abstract:

Keywords:

基金项目(Foundation): 广东电网有限责任公司科技项目(K-GD2013-055);; 国家高技术研究发展计划(2013AA065004);; 国家自然科学基金项目(21276049);; 国家重点基础研究发展计划(2013CB228505)

作者(Author): 刘亚明,潘丹萍,徐齐胜,郭彦鹏,黄荣廷,杨林军

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