| 基于风险的检验技术对MDEA再生塔的应用研究及腐蚀失效机理分析 |
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| 引用本文： | 杨旻学,许淳淳,方向荣.基于风险的检验技术对MDEA再生塔的应用研究及腐蚀失效机理分析[J].腐蚀与防护,2007,28(10):519-522. |
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| 作者姓名： | 杨旻学 许淳淳 方向荣 |
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| 作者单位： | 1. 北京化工大学材料科学与工程学院,北京,100029
2. 合肥通用机械研究所,合肥,230031 |
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| 摘 要： | 运用基于风险的检验技术(RBI)对MDEA再生塔进行了风险分析,得到了塔体各部件具体的失效可能性、失效后果和风险等级。通过软件的分析结果和实际腐蚀情况,分析了MDEA再生塔的腐蚀机理,主要是胺、CO2和H2S引起的腐蚀以及保温层下腐蚀,并由此制定了检验策略。提出了开展RBI工作的建议。
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| 关 键 词： | 基于风险的检验(RBI) MDEA再生塔 腐蚀机理 检验策略 |
| 文章编号： | 1005-748X（2007）10-0519-04 |
| 收稿时间： | 2006-11-09 |
| 修稿时间： | 2006年11月9日 |
APPLICATION OF RISK-BASED INSPECTION TO MDEA REGENERATOR AND ANALYSES FOR ITS CORROSION MECHANISM |
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| YANG Min-xue,XU Chun-chun,FANG Xiang-rong.APPLICATION OF RISK-BASED INSPECTION TO MDEA REGENERATOR AND ANALYSES FOR ITS CORROSION MECHANISM[J].Corrosion & Protection,2007,28(10):519-522. |
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| Authors: | YANG Min-xue XU Chun-chun FANG Xiang-rong |
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| Abstract: | The risk-based inspection(RBI) technique was used to analyze the risk of MDEA regenerator,the failure possibility,consequence and risk grade of each component of the regenerator were obtained.The corrosion mechanism for the regenerator was analyzed based on the risk assessment results and corrosion case.The corrosion was mainly caused by amine,CO2,H2S and some reactions under thermal insulation.The inspection strategy was determined based on the analysis.Some suggestions about the development of RBI works were also proposed. |
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| Keywords: | Risk-based inspection MDEA regenerator Corrosion mechanism Maintain strategy |
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