含平面埋藏缺陷的精制加氢反应器安全评定分析

doi:10.16265/j.cnki.issn1003-3033.2018.11.014

中国安全科学学报 ›› 2018, Vol. 28 ›› Issue (11): 86-91.doi: 10.16265/j.cnki.issn1003-3033.2018.11.014

含平面埋藏缺陷的精制加氢反应器安全评定分析

都亮¹ 工程师, 别凯² 工程师, 赵亚洁³ 工程师, 张国晋¹ 工程师, 闫河¹ 高级工程师

1 中国特种设备检测研究院,北京 100029
2 中国石油天然气股份有限公司华北石化分公司,河北任丘 062552
3 青海盐湖工业股份有限公司化工分公司,青海格尔木 816000

收稿日期:2018-08-03 修回日期:2018-10-16 发布日期:2020-11-25
作者简介:都亮 (1986—),男,山东潍坊人,博士,工程师,主要从事特种设备检验检测与安全评价等方面的研究。E-mail:duliang.sme@163.com。
基金资助:
国家市场监督管理总局科技计划项目(2017QK177,2016QK204);国家重点研发计划资助(2018YFC0808904)。

Safety assessment of refined hydrogenation reactor with plane embedded defects

DU Liang¹, BIE Kai², ZHAO Yajie³, ZHANG Guojin¹, YAN He¹

1 China Special Equipment Inspection and Research Institute, Beijing 100029, China
2 Petrochina North China Petrochemical Company North China Branch, Renqiu Hebei 062552, China
3 Qinghai Salt Lake Industry Group Company Limited Chemical Branch, Golmud Qinghai 816000, China

Received:2018-08-03 Revised:2018-10-16 Published:2020-11-25

摘要/Abstract

摘要： 为了对在用含缺陷压力容器进行安全评定,利用有限元仿真和通用失效评定判据,对含平面埋藏缺陷的压力容器进行合于使用评价。某航煤加氢精制反应器在定期检验过程中发现一处平面埋藏缺陷,通过有限元分析软件ANSYS对该反应器进行考虑保温层作用的整体结构的稳态热分析、反应器主体结构热应力和机械应力分析,确定常规评定所需要的设计工况一次应力和二次应力及其分量,结合在用含缺陷压力容器安全评定程序评定该缺陷。结果表明:采用提出的考虑保温层作用的结构热稳态、热应力和机械应力分析方法,能够较准确地确定设备的应力状态,尤其是缺陷部位的局部应力水平;就所论反应器待评估缺陷而言,其由断裂比值和载荷比值所构成的评定点位于通用失效评定图的安全区内,经过评定可知该缺陷是安全的。

关键词: 反应器, 有限元, 热稳态分析, 应力分析, 埋藏缺陷, 安全评定

Abstract: The finite element simulation method and general failure assessment criterion were applied to evaluate the pressure vessels containing planar defects. A burial plane defect was discovered in a certain kerosene hydrofining reactor during the periodic inspection process. A steady state thermal analysis and a mechanical stress analysis of the main structure of the reactor were made based on ANSYS. Primary stress and secondary stress with their components under design condition and hydraulic test condition were determined for the routine evaluation, the assessment was carried out following the procedures for pressure vessels containing defects. Result shows that the stress state of the equipment, especially the local stress level of the defective area can be obtain more accurately by using the stress analysis method given in this paper, and that the evaluation point formed by the fracture ratio and the ratio of the load is located in the safety area of general safety assessment chart, which means that the defect is a safe one.

Key words: reactor, finite element method, static thermal analysis, stress analysis, embedded defect, safety assessment

中图分类号:

X937

都亮, 别凯, 赵亚洁, 张国晋, 闫河. 含平面埋藏缺陷的精制加氢反应器安全评定分析[J]. 中国安全科学学报, 2018, 28(11): 86-91.

DU Liang, BIE Kai, ZHAO Yajie, ZHANG Guojin, YAN He. Safety assessment of refined hydrogenation reactor with plane embedded defects[J]. China Safety Science Journal, 2018, 28(11): 86-91.

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含平面埋藏缺陷的精制加氢反应器安全评定分析

Safety assessment of refined hydrogenation reactor with plane embedded defects

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