聚丙烯装置压力容器基于风险的检验
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摘要
文章对聚丙烯装置的压力容器进行风险计算,并对重要设备进行了风险分析,提出了该装置基于风险的检验方案,并在检修期间按照检验方案对评估设备进行了定期检验。检验发现,装置存在的主要问题为制造遗留缺陷及循环水腐蚀缺陷。基于风险的检验对发现设备在使用环节产生的缺陷具有较大的指导意义,而对在制造及安装等非使用环节产生的缺陷则有较大的局限性。在对设备进行基于风险的检验时应充分考虑设备在制造及安装等环节的遗留缺陷,才能确保检验的有效性和全面性。
The risk of pressure vessels for polypropylene plant is calculated in this paper.Also risk analysis for the important equipments is made and the risk-based inspection plan of the plant is presented.The pressure vessels are inspected regularly in accordance with the inspection plan in the maintenance period.The main problems existed in the plant are the defects left over from manufacturing and circulating water corrosion defects.The inspection based on risk has great guiding significance for the defects produced by the equipment in use,but it has great limitations for the defects produced in the non-use links such as manufacturing and installation.In the inspection of equipment based on risk,the defects of the equipment left over from the manufacturing and installation should be taken into full consideration to ensure the effectiveness and comprehensiveness of the inspection.
The risk of pressure vessels for polypropylene plant is calculated in this paper.Also risk analysis for the important equipments is made and the risk-based inspection plan of the plant is presented.The pressure vessels are inspected regularly in accordance with the inspection plan in the maintenance period.The main problems existed in the plant are the defects left over from manufacturing and circulating water corrosion defects.The inspection based on risk has great guiding significance for the defects produced by the equipment in use,but it has great limitations for the defects produced in the non-use links such as manufacturing and installation.In the inspection of equipment based on risk,the defects of the equipment left over from the manufacturing and installation should be taken into full consideration to ensure the effectiveness and comprehensiveness of the inspection.
引文
[1]姜立良,李元凯.Innovene工艺与Horizone工艺的比较[J].合成树脂及塑料,2015,32(3):77-81.
[2]贾国栋,王辉.石化装置风险检验指南[M].北京:中国石化出版社,2014.
[3]唐崇晶,李晓威,史其岩,等.RBI技术在厂际管线中的应用[C]//合肥通用机械研究所,中国特种设备检测研究院.第十届“石化装置工程风险分析技术应用研讨及经验交流会”论文集.合肥:合肥工业大学出版社,2016:70-75.
[2]贾国栋,王辉.石化装置风险检验指南[M].北京:中国石化出版社,2014.
[3]唐崇晶,李晓威,史其岩,等.RBI技术在厂际管线中的应用[C]//合肥通用机械研究所,中国特种设备检测研究院.第十届“石化装置工程风险分析技术应用研讨及经验交流会”论文集.合肥:合肥工业大学出版社,2016:70-75.