| 炼油装置湿H2S环境分类和设计要点 |
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| 引用本文： | 汤伟珍. 炼油装置湿H2S环境分类和设计要点[J]. 石油化工设备技术, 2011, 32(6): 12-15,18 |
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| 作者姓名： | 汤伟珍 |
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| 作者单位： | 中国石化工程建设公司,北京,100101 |
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| 摘 要： | 在概述湿H2S环境中碳钢的主要腐蚀开裂类型的基础上,分析了API 581和NACE 8X194对湿H2S环境的苛刻度分类方法的异同点,认为NACE 8X194的方法更适用于炼油装置;重点讨论了设计过程中如何对环境中水的露点温度、pH值和H2S浓度等主要影响因素进行评估,并给出了必要的数据表格、计算公式和图表;最后,为了降低碳钢在湿H2S环境中的各种开裂风险,对碳钢的材料选用和焊接提出了具体的技术要求或建议。
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| 关 键 词： | 湿H2S开裂 湿H2S环境分类 H2S浓度 pH值 |
CLASSIFICATION OF WET H_2S ENVIRONMENT IN REFINERY UNITS AND THE KEY POINTS IN DESIGN |
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| Tang Weizhen. CLASSIFICATION OF WET H_2S ENVIRONMENT IN REFINERY UNITS AND THE KEY POINTS IN DESIGN[J]. Petro-Chemical Equipment Technology, 2011, 32(6): 12-15,18 |
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| Authors: | Tang Weizhen |
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| Affiliation: | Tang Weizhen(SINOPEC Engineering Incorporation,Beijing,100101) |
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| Abstract: | On the basis of summarizing the cracking types of carbon steel in H2S environments,this paper analyzes the corrosion severity determination methods in API 581 and NACE 8X194,and makes a conclusion that the method in NACE 8X194 is more proper for refinery units.Moreover,this paper emphasizes on how to evaluate the main influencing factors in design including the dew point of water,pH value and H2S concentration.Helpful data sheets,formula and figure are also provided.Finally,technical requirements and sugges... |
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| Keywords: | Wet H2S cracking Classification of wet H2S environment H2S concentration PH value |
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