摘要
为探究LNG工厂停产检修计划的合理性,归并整理检修项目,指引检修工作的策划、监督与检验。收集2015—2019年湖北500万方/天LNG工厂国产化示范工程停产检修记录,依托专家打分手段,丰富问题分析宽度。运用灰色关联聚类模型进行检修项目的数学分析。得出了将原冗余繁琐的检修项目进行,动设备及工艺完整性;静设备及仪表、安全;易损件维护;循环水系统;专项排查;常规保养;突出性问题7类简明归并的创新点。研究表明:1)属于流程工业的LNG工厂,在生产运行周期上由正常生产、停产检修、开工复产三阶段以时间轴的形式循环组成。停产检修作为承上启下的关键环节,必须进行策划性动态型方案预设,以保证“及停及修,随时复产”。2)灰色关联聚类模型能将现有18检修项目观测指标进行同类因素归并,梳理集成至7大类别,简化复杂系统。3)基于检修工作灰色关联聚类结果进行对策型鱼骨图编制可得出的图表化的停产检修计划,全面指引检修工作过程管控和竣工抽检。
In order to explore the rationality of maintenance plan for LNG Plant,merge and sort out the maintenance items,and guide the planning,supervision and inspection of maintenance work,the study has collected off-production maintenance records of domestic demonstration project of 5 million cubic meters/day in Hubei LNG Plant from 2015 to 2019.The grey relational clustering model is used for mathematical analysis of maintenance items.The research shows:First,the LNG Plant belongs to the process industry,which is composed of three stages in the production operation cycle,namely normal production,off-production maintenance,and resumption of production in the form of time axis.As the key link between the preceding and the following,the maintenance of offproduction must be planned and dynamic program must be preset to ensure“stop and repair,and resume production at any time”;Second,the grey relational clustering model can merge the existing 18 inspection project observation indexes into similar factors,comb and integrate them into 7 categories,and simplify the complex system;Third,based on the grey relational clustering results of maintenance work,the diagonalized off-production maintenance plan can be obtained through the preparation of countermeasure fishbone diagram,which can comprehensively guide the control of maintenance work process and spot check on completion.
作者
邱正勇
杨华
QIU Zheng-yong;YANG Hua(Jianghan Oil Production Plant,Sinopec Jianghan Oilfield Company,Huanggang 438000,Hubei,China)
出处
《承德石油高等专科学校学报》
CAS
2024年第5期40-46,94,共8页
Journal of Chengde Petroleum College
基金
国家重点研发计划项目(油气管道及储运设施完整性评价技术研究):2016YFC0802105
长江大学科研发展基金:0709001
长江大学发展基金:2011025。
关键词
灰色聚类
停产检修
归并
观测指标
LNG工厂
grey clustering
off-production maintenance
merge
observational indicators
LNG plant
