| 700MW汽轮机中压调节汽门阀节汽座裂纹的分析及处理 |
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| 引用本文： | 聂铭,徐乾.700MW汽轮机中压调节汽门阀节汽座裂纹的分析及处理[J].电站辅机,2004,25(3):27-30. |
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| 作者姓名： | 聂铭 徐乾 |
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| 作者单位： | 1. 广东电力试验研究所,广东,广州,510600
2. 珠海发电厂,广东,珠海,519050 |
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| 摘 要： | 通过金相检验分析了珠海发电厂700MW机组中压调门阀座裂纹产生的原因、机理,详细介绍了裂纹的处理工艺和过程,为进口机组大型铸件裂纹的处理提供了正确的方法.
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| 关 键 词： | 裂纹 金相分析 焊补 热处理 阀座 |
| 文章编号： | 1672-0210(2004)03-0027-04 |
| 修稿时间： | 2003年11月24 |
Analysis and Treatment of the Crack Problem in Middling Pressure Adjustive Valve Base for 700MW Steam Turbine in Zhuhai Power Plant |
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| NIN Ming\ XU Qian.Analysis and Treatment of the Crack Problem in Middling Pressure Adjustive Valve Base for 700MW Steam Turbine in Zhuhai Power Plant[J].Power Station Auxiliary Equipment,2004,25(3):27-30. |
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| Authors: | NIN Ming\ XU Qian |
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| Affiliation: | NIN Ming~1\ XU Qian~2 |
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| Abstract: | The reasons and mechanism of the crack problem in the middling pressure adjustable valve base for 700 MW turbine in Zhuhai Power Plant were analyzed based on the metallurgical test. The treatment and processing technolgy for the crack were introduced in this paper which has been provided with proper method for handling cracks in large casting of imported power unit. |
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| Keywords: | crack metallurgical test weld heat treatment valve base |
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