STUDY ON AFFECTING FACTORS UPON WATER CONSUMPTION IN WET FGD SYSTEM

XU Chao1; TAN Houzhang1; ZHANG Fangwei2; WANG Zikuan3; LI Yingwei3; LIU Yang1; LIU Zhengning1 1.College of Energy and Power Engineering

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STUDY ON AFFECTING FACTORS UPON WATER CONSUMPTION IN WET FGD SYSTEM

更新时间：2025-09-28

- STUDY ON AFFECTING FACTORS UPON WATER CONSUMPTION IN WET FGD SYSTEM
- Thermal Power Generation Vol. 41, Issue 4, Pages: 78-80(2012)
- 作者机构：
  
  1. 西安交通大学能源与动力学院
  2. 华北电力设计院工程有限公司
  3. 北方联合电力有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.3
- Published：2012
- 稿件说明：
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XU Chao1, TAN Houzhang1, ZHANG Fangwei2, et al. STUDY ON AFFECTING FACTORS UPON WATER CONSUMPTION IN WET FGD SYSTEM[J]. Thermal power generation, 2012, 41(4): 78-80.
DOI：

XU Chao1, TAN Houzhang1, ZHANG Fangwei2, et al. STUDY ON AFFECTING FACTORS UPON WATER CONSUMPTION IN WET FGD SYSTEM[J]. Thermal power generation, 2012, 41(4): 78-80. DOI：

摘要

通过电厂湿法烟气脱硫(FGD)模拟系统

研究了脱硫系统耗水量的影响因素

提出了根据循环浆液量增加比例(I)来评估脱硫系统的耗水特性:I0

脱硫系统耗水量大

需要补水;I0

脱硫系统水量过多

需要排水以维持浆液池正常液位;I=0

脱硫过程不耗水。研究表明

烟气水蒸气含量越大

脱硫系统入口烟气温度越低

耗水量越少;安装烟气预热器(GGH)或加装低温余热利用系统可使耗水量减少30%～40%;降低循环浆液温度可减少耗水量。

Abstract

Adopting simulated wet flue gas desulphurization(FGD) system in power plants

the affecting factors upon water consumption in FGD system have been studied.An evaluation method of water consumption in wet FGD system has been put forward on the basis of increasing ratio(I) for the circulating slurry:I0 means large water consumption in FGD system

needing water to be supplied;I0 means the water in FGD system has to be discharged

so as to maintain the normal water level in slurry pond;I=0 means that the FGD system has no water consumption

study shows that the larger water vapor concentration in flue gas and lower inlet flue gas temperature of FGD system

the smaller water consumption in FGD system.Installing GGH or low-temperature residual heat utilization system

the water consuption can be reduced by 30%~40%

decreasing the temperature of circulating slurry

the water consumption can be reduced along.

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