WET FLUE GAS DESULPHURIZATION TECHNOLOGY FOR LARGE-SCALE COAL-FIRED POWER PLANTS WITHOUT BYPASS

GUO Changshi1; WANG Mengqin2 1.GCL Engineering Limited Company

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WET FLUE GAS DESULPHURIZATION TECHNOLOGY FOR LARGE-SCALE COAL-FIRED POWER PLANTS WITHOUT BYPASS

更新时间：2025-09-28

- WET FLUE GAS DESULPHURIZATION TECHNOLOGY FOR LARGE-SCALE COAL-FIRED POWER PLANTS WITHOUT BYPASS
- Thermal Power Generation Vol. 41, Issue 8, Pages: 15-17(2012)
- 作者机构：
  
  1. 中环(中国)工程有限公司
  2. 国电环境保护研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： X773
- Published：2012
- 稿件说明：
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GUO Changshi1, WANG Mengqin2 1.GCL Engineering Limited Company. WET FLUE GAS DESULPHURIZATION TECHNOLOGY FOR LARGE-SCALE COAL-FIRED POWER PLANTS WITHOUT BYPASS[J]. Thermal power generation, 2012, 41(8): 15-17.
DOI：

GUO Changshi1, WANG Mengqin2 1.GCL Engineering Limited Company. WET FLUE GAS DESULPHURIZATION TECHNOLOGY FOR LARGE-SCALE COAL-FIRED POWER PLANTS WITHOUT BYPASS[J]. Thermal power generation, 2012, 41(8): 15-17. DOI：

摘要

取消烟气旁路可简化烟气脱硫系统结构

减少故障点

降低系统投资。对影响取消烟气旁路烟道后的烟气脱硫(FGD)系统可靠性的因素——脱硫设备故障和烟气系统故障进行了分析

从设备选材、工艺设计、逻辑控制、运行管理等方面提出了相应的解决方案

如吸收塔采用防腐衬胶

吸收塔氧化管道采用合金材料

提高设备备用系数

引风机与脱硫增压风机合二为一等

以提高无旁路FGD系统的可靠性。

Abstract

Abrogating the gas by-pass can simplify the flue gas desulfurization system and reduce the fault points and investment.Factors affecting the reliability of the system without bypass

including desulfurization equipment fault and flue gas system fault

were investigated.Corresponding solutions were put forward according to several items such as equipment material selection

process design

logic control and operation management etc.For example

enlarging equipment spare coefficient like using anticorrosion rubber lining for absorption tower and alloy for oxidation pipeline

uniting the induced draft fan and desulfurization booster fan

appropriately lengthening the inlet flue duct of absorption tower and installing accident spraying system in the duct

optimizing the system logic

operating the boiler with no oil supporting and other measurements are proposed.

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