| 液化石油气装置中湿H_2S环境的腐蚀机理及选材 |
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| 引用本文： | 孔德楹,肖艳华.液化石油气装置中湿H_2S环境的腐蚀机理及选材[J].石油化工设备,2010,39(5):82-85. |
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| 作者姓名： | 孔德楹 肖艳华 |
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| 作者单位： | 1. 北京美盛沃工程技术有限公司,北京,100016
2. 防化指挥工程学院三系,北京,102205 |
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| 摘 要： | 介绍了湿H2S环境的概念和碳钢与合金钢在湿H2S环境中的腐蚀破坏类型、腐蚀机理及其影响因素,提出了硫化物应力开裂和氢致开裂两种腐蚀机理的相互关系,并结合在实际工作中的工程经验,讨论了液化石油气生产装置中醇胺类-H2O-CO2-H2S体系中抗湿H2S腐蚀材料的选择和控制。
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| 关 键 词： | 湿H2S环境 硫化物应力开裂 氢致开裂 液化石油气装置 材料 选择 控制 |
Corrosive Mechanism and Material Selection in Wet-H2S Service Environment in Liquefied Petroleum Gas Plant |
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| KONG De-ying,XIAO Yan-hua.Corrosive Mechanism and Material Selection in Wet-H2S Service Environment in Liquefied Petroleum Gas Plant[J].Petro-Chemical Equipment,2010,39(5):82-85. |
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| Authors: | KONG De-ying XIAO Yan-hua |
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| Affiliation: | 1.Maisonworleyparsons,Beijing 100016,China;2.Institute of Chemical Defense,Beijing 102205,China) |
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| Abstract: | The type,mechanisms,influence factors of corrosion and cracking of carbon steel and alloy steel were discussed.The relation between sulfide stress cracking and hydrogen-induced cracking were proposed.Other main points include methods and controls for material to prevent cracking in MDEA-H2O-CO2-H2S solution in liquefied petroleum gas（LPG） plant. |
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| Keywords: | wet-H2S environment sulfide stress cracking hydrogen-induced cracking liquefied petroleum gas plant material selection control |
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