ENQUIRY INTO AND ANALYSIS OF CONTROL AND ADJUSTMENT FOR MAIN PARAMETERS IN OPERATION OF LIME/GYPSUM WET DESULPHURIZATION TECHNOLOGY
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ENQUIRY INTO AND ANALYSIS OF CONTROL AND ADJUSTMENT FOR MAIN PARAMETERS IN OPERATION OF LIME/GYPSUM WET DESULPHURIZATION TECHNOLOGY
Thermal Power GenerationVol. 40, Issue 11, Pages: 14-16(2011)
作者机构:
上海龙净环保科技工程有限公司
作者简介:
基金信息:
DOI:
CLC:X701.3
Published:2011
稿件说明:
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JING Jianping, WU Wenhui Shanghai Longjing Engineering Co Ltd. ENQUIRY INTO AND ANALYSIS OF CONTROL AND ADJUSTMENT FOR MAIN PARAMETERS IN OPERATION OF LIME/GYPSUM WET DESULPHURIZATION TECHNOLOGY[J]. Thermal power generation, 2011, 40(11): 14-16.
DOI:
JING Jianping, WU Wenhui Shanghai Longjing Engineering Co Ltd. ENQUIRY INTO AND ANALYSIS OF CONTROL AND ADJUSTMENT FOR MAIN PARAMETERS IN OPERATION OF LIME/GYPSUM WET DESULPHURIZATION TECHNOLOGY[J]. Thermal power generation, 2011, 40(11): 14-16.DOI:
ENQUIRY INTO AND ANALYSIS OF CONTROL AND ADJUSTMENT FOR MAIN PARAMETERS IN OPERATION OF LIME/GYPSUM WET DESULPHURIZATION TECHNOLOGY
摘要
结合上海漕泾热电有限责任公司应急锅炉脱硫设备的调试
介绍石灰-石膏法脱硫工艺运行特点
总结出石灰浆液初始质量浓度、吸收塔浆液pH值、密度等工艺参数合理范围及其控制方法。调试结果表明
当吸收塔浆液密度1 140kg/m3时
脱硫效率下降
合理控制吸收塔浆液密度和pH值可使石灰-石膏法脱硫系统脱硫效率保持在95%以上
且石膏品质良好
系统运行稳定
水、电、石灰粉耗量等各项经济指标也均在设计范围之内。
Abstract
Combined with debugging in emergency desulphurization of the boiler in Shanghai Caojing Thermal Power Co Ltd
the operation features of lime/gypsum desulphurization technology has been presented
the reasonable range and control method of technological parameters
such as concentration of lime slurry
the pH value and density of slurry from absorption tower
etc.
is being summarized up.Results of debugging show that the efficiency of desulphurization decreases as the density of slurry from absorption tower being greater than 1 140 kg/m3
hence
reasonably controlling the density of slurry from the absorption tower can make the desulphurization efficiency of said lime/gypsum desulphurization system to keep at above 95%
and the quality of gypsum being good
and the stability of system operation
as well as every economic index
such as consumption of water
electricity
and lime powder all being within the designed value.