| 石灰石-石膏湿法脱硫浆液泵改造 |
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| 引用本文： | 高小春,方胜,安鸿,王森.石灰石-石膏湿法脱硫浆液泵改造[J].热力发电,2010,39(1). |
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| 作者姓名： | 高小春 方胜 安鸿 王森 |
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| 作者单位： | 国华粤电台山发电有限公司,广东,台山,529228 |
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| 摘 要： | 石灰石-石膏湿法脱硫系统浆液泵普遍存在磨损严重的问题。介绍国华粤电台山发电有限公司(国华台电)1号、2号机组进口脱硫浆液泵的设计选型、磨损情况及磨损原因分析,提出其国产化改造的依据及措施,即过流件采用GGH-36不锈钢合金,合理设计转速,加厚前护板、后护板、涡壳护套、叶轮等,采用双泵壳设计,定期更换内泵壳过流件。改造后,机组经济性明显提高,系统运行稳定。
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| 关 键 词： | 石灰石-石膏 湿法脱硫 浆液泵 磨损 过流件 转速 |
RETROFIT OF SLURRY PUMP IN LIMESTONE/GYPSUM WET DESULPHURIZATION SYSTEM |
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| GAO Xiao-chun,FANG Sheng,AN Hong,WANG Sen.RETROFIT OF SLURRY PUMP IN LIMESTONE/GYPSUM WET DESULPHURIZATION SYSTEM[J].Thermal Power Generation,2010,39(1). |
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| Authors: | GAO Xiao-chun FANG Sheng AN Hong WANG Sen |
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| Affiliation: | GAO Xiao-chun,FANG Sheng,AN Hong,WANG SenGuohua Yuedian Taishan Power Generation Co Ltd,Taishan 529228,Guangdong Province,PRC |
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| Abstract: | The serious wornout problems were commonly existing on slurry pumps in limestone/gypsum wet desulphurization systems.The designed structure,wornout situation,and wornout causes of imported slurry pumps for units no.1 and no.2 in Guohua Yuedian Taishan Power Generation Co Ltd have been presented,and the bases and measures for retrofit by localization being put forward,i.e.adopting GGH 36 stainless alloy for the flow-passage pieces,designing the reasonable revolutionary speed,thickening the front and rear pro... |
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| Keywords: | wet desulphurization slurry pump wornout flow-passage piece revolution speed |
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