焊接接头是压力容器中的关键区域——氯乙烯单体储罐的案例研究

IF 0.8 4区 工程技术 Q4 ENGINEERING, CHEMICAL
T. Golubović, A. Sedmak, V. S. Brkic, S. Kirin, E. Veg
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引用次数: 10

摘要

焊接接头被分析为压力容器中由于弹塑性断裂/裂纹扩展引起的结构失效的关键区域。为了评估化学工业中使用的压力容器的结构完整性,引入了基于风险的程序,并将其应用于HIP Azotara Pancevo中用作氯乙烯单体(VCM)储罐的大型球形压力容器。风险矩阵已被使用,考虑到风险的基本定义,风险是概率和后果的乘积,并应用于具有不同机械性能(即抗裂性)的焊接接头的不同区域。为了估计概率,已使用失效评估图(FAD)作为工程工具,根据焊接接头不同区域的操作点相对于极限曲线上的临界点的位置进行定义。一般来说,后果是根据压力容器参数或通过对健康、安全、商业和安全问题的详细分析来估计的,但在分析的情况下,假设是最坏的情况,最高的后果是由于潜在的环境灾难和死亡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Welded joints as critical regions in pressure vessels – case study of vinyl-chloride monomer storage tank
Welded joints are analysed as critical regions in a pressure vessel in respect to structural failure due to the elastic-plastic fracture/crack growth. To assess structural integrity of pressure vessels used in chemical industry the risk based procedure has been introduced and applied in the case of a large spherical pressure vessel used as a vinyl-chloride monomer (VCM) storage tank in HIP Azotara Pancevo. The risk matrix has been used, taking into account the basic definition of risk, being the product of the probability and consequence, and applied to different regions of welded joints, having different mechanical properties, i.e. crack resistance. To estimate probability, the failure assessment diagram (FAD) has been used, as an engineering tool, defined according to the position of the operating point for different regions of the welded joint, relative to the critical point on the limit curve. Generally speaking, consequence is estimated based on pressure vessel parameters, or by detailed analysis of health, safety, business and security issues, but in the analysed case, the worst case scenario is assumed, with the highest consequence due to potential disaster for environment and fatalities.
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来源期刊
Hemijska Industrija
Hemijska Industrija 工程技术-工程:化工
CiteScore
1.60
自引率
11.10%
发文量
12
审稿时长
6-12 weeks
期刊介绍: The Journal Hemijska industrija (abbreviation Hem. Ind.) is publishing papers in the field of Chemical Engineering (Transport phenomena; Process Modeling, Simulation and Optimization; Thermodynamics; Separation Processes; Reactor Engineering; Electrochemical Engineering; Petrochemical Engineering), Biochemical Engineering (Bioreactors; Protein Engineering; Kinetics of Bioprocesses), Engineering of Materials (Polymers; Metal materials; Non-metal materials; Biomaterials), Environmental Engineeringand Applied Chemistry. The journal is published bimonthly by the Association of Chemical Engineers of Serbia (a member of EFCE - European Federation of Chemical Engineering). In addition to professional articles of importance to industry, scientific research papers are published, not only from our country but from all over the world. It also contains topics such as business news, science and technology news, information on new apparatus and equipment, and articles on environmental protection.
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