STUDY ON USING HOT AIR FOR HEATING CLEANED FLUE GAS IN GUOHUA TAISHAN POWER PLANT

LI Zhan-yuan; SUN Yue; YANG Jian-xing; GAO Peng; ZHUANG Wen-jun Guohua Taishan Power Plant

doi:10.19666/j.rlfd.2008.09.014

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STUDY ON USING HOT AIR FOR HEATING CLEANED FLUE GAS IN GUOHUA TAISHAN POWER PLANT

Thermal Power Generation Issue 9, Pages: 51-52(2008)

更新时间：2025-09-28

- STUDY ON USING HOT AIR FOR HEATING CLEANED FLUE GAS IN GUOHUA TAISHAN POWER PLANT
- 作者机构：
  
  国华台山发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.09.014
  CLC： X701.3
- Published：2008
- 稿件说明：
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LI Zhan-yuan, SUN Yue, YANG Jian-xing, et al. STUDY ON USING HOT AIR FOR HEATING CLEANED FLUE GAS IN GUOHUA TAISHAN POWER PLANT[J]. Thermal Power Generation, 2008, (9): 51-52.
DOI：

LI Zhan-yuan, SUN Yue, YANG Jian-xing, et al. STUDY ON USING HOT AIR FOR HEATING CLEANED FLUE GAS IN GUOHUA TAISHAN POWER PLANT[J]. Thermal Power Generation, 2008, (9): 51-52. DOI： 10.19666/j.rlfd.2008.09.014.

摘要

国华台山发电有限公司(台山电厂)在满足锅炉正常运行的前提下

通过抽取部分热二次风注入脱硫后净烟气

提升排烟温度

以减少或消除"石膏雨"。通过热力学计算

对比二次风温度、空气预热器出口烟气温度、屏式过热器入口烟气温度等参数在不同工况时的变化。比较实施本方案与加装烟气热交换器(GGH)方案的差异。结果表明

采用热二次风加热脱硫后净烟气具有投资小、维护费用低、运行可靠性高等优点

但锅炉热效率略有降低。

Abstract

Under premise of satisfying boiler operation in Taishan Power Plant

the exhaust flue gas temperature has been enhanced through extracting a part of hot secondary air to inject into the cleaned flue gas after desulfurization

so as to reduce or eliminate the "gypsum rain".Through thermodynamics calculation

and comparing variation of parameters

such as the temperature of secondary air

the temperature of outlet flue gas from air preheater

and the temperature of inlet flue gas into platen superheater

etc.

a scheme of additionally installing the gas-gas heater(gghy)has been put forward.

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