Matching method for ultra low emission for a 300 MW circulating fluidized bed boiler with two stage desulfurization

WEI Xing; JIANG Xinghua; JIN Senwang; GAO Hongpei

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Matching method for ultra low emission for a 300 MW circulating fluidized bed boiler with two stage desulfurization

Thermal Power Generation Issue 5, (2017)

更新时间：2025-09-28

- Matching method for ultra low emission for a 300 MW circulating fluidized bed boiler with two stage desulfurization
- 作者机构：
  
  1. 神华（福建）能源有限责任公司,福建,福州,350004
  2. 神华福能（福建雁石）发电有限公司,福建,龙岩,364002
  3. 中国华能集团清洁能源技术研究院有限公司,北京,102209
- 作者简介：
- 基金信息：
- DOI：
  CLC： X51;TK221
- Published Online：27 May 2017，
  
  Published：2017
- 稿件说明：
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WEI Xing, JIANG Xinghua, JIN Senwang, et al. Matching method for ultra low emission for a 300 MW circulating fluidized bed boiler with two stage desulfurization[J]. Thermal Power Generation, 2017, (5).
DOI：

WEI Xing, JIANG Xinghua, JIN Senwang, et al. Matching method for ultra low emission for a 300 MW circulating fluidized bed boiler with two stage desulfurization[J]. Thermal Power Generation, 2017, (5). DOI：

摘要

为提高SO2超低排放的经济性，在300 MW机组循环流化床（CFB）锅炉上进行了炉内干法与烟气半干法联合脱硫的匹配方式试验研究。结果表明：随着锅炉负荷的上升，炉内干法脱硫逐渐偏离了高效脱硫区间，相同脱硫效率下钙硫摩尔比升高，石灰石利用率下降；而锅炉负荷上升，逐渐到达了烟气半干法脱硫的高效脱硫区间，相同脱硫效率时钙硫摩尔比降低，消石灰利用率升高；试验范围内，两级脱硫整体脱硫效率可稳定达到99%以上，烟气半干法脱硫效率可稳定达到95%以上，多参数协调匹配比仅将SO2排放值作为单一参数匹配具有更高的经济性。CFB锅炉采用炉内干法与烟气半干法联合脱硫可实现SO2的超低排放，并具有良好的稳定性和调节灵活性。

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