|本期目录/Table of Contents|

[1]孙艺博,刘佳玮,李威君.基于2GW-HAZOP与偏离度的输气站降压排污作业风险评估*[J].中国安全生产科学技术,2021,17(3):97-102.[doi:10.11731/j.issn.1673-193x.2021.03.015]
　SUN Yibo,LIU Jiawei,LI Weijun.Risk assessment on depressurization and sewage discharge operation in gas transmission stations based on 2GW-HAZOP and deviation degree[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(3):97-102.[doi:10.11731/j.issn.1673-193x.2021.03.015]
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基于2GW-HAZOP与偏离度的输气站降压排污作业风险评估*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年3期
页码:
97-102
栏目:
职业安全卫生管理与技术
出版日期:
2021-03-31

文章信息/Info

Title:
Risk assessment on depressurization and sewage discharge operation in gas transmission stations based on 2GW-HAZOP and deviation degree
文章编号:
1673-193X(2021)-03-0097-06
作者:
孙艺博; 刘佳玮; 李威君
（1.山东海普安全环保技术股份有限公司，山东 青岛 266001；
2.山东科技大学 安全与环境工程学院 安全与应急管理学院，山东 青岛 266590）
Author(s):
SUN Yibo;  LIU Jiawei;  LI Weijun
(1.Shandong HELP Safety and Environmental Protection Technology Pty Ltd.,Qingdao Shandong 266001,China;
2.College of Safety and Environmental Engineering，School of Safety and Emergency Management,Shandong University of Science and Technology,Qingdao Shandong 266590,China)
关键词:
输气站; 作业风险评估; 危险和可操作性分析（HAZOP）; 偏离度; 降压排污过程
Keywords:
gas transmission station;  operational risk assessment;  Hazard and Operability Analysis (HAZOP);  deviation degree;  depressurization and sewage discharge process
分类号:
X913
DOI:
10.11731/j.issn.1673-193x.2021.03.015
文献标志码:
A
摘要:
为预防输气站降压排污过程中发生事故，提出1种基于2GW-HAZOP与偏离度的作业过程风险评估方法。在HAZOP方法的基础上定义作业偏差，将传统7种工艺参数偏差引导词映射到1个偏差二元组中；通过将作业过程节点功能作为参量，采用节点跨越和节点功能偏离2种引导词，从而构建节点功能偏差；进一步通过定义功能偏离度和控制措施偏离度对偏差进行量化处理，表征风险水平；将方法应用于降压排污作业过程的风险评估中，可分析得到偏离度大的作业过程节点。结果表明：分离器放空不充分、排污池液位过高或过低、排污结束未检查泄漏情况的偏离度较大，需加强风险控制。
Abstract:
In order to prevent the accidents in the depressurization and sewage discharge process of gas transmission station,a risk assessment method of the operational process based on 2GW-HAZOP and deviation degrees was developed.The operation deviation was defined on the basis of HAZAP method,and the guide words for the deviation of traditional 7 kinds of process parameters were mapped into a deviation twotuple.By using the node functions of operation process as the parameters,two types of guide words of node crossing and node function deviation were adopted to construct the node function deviation.Further,the deviation was quantified by defining the deviation degrees of function and control measures,and the risk level was characterized.The method was applied in the risk assessment of the depressurization and sewage discharge operation process,and the operation process nodes with large deviation degree were analyzed.The results showed that the deviation degrees of inadequate venting of separator,too high or low liquid level of sewage tank,and sewage discharge completed without checking leakage were large,and the risk control should be strengthened.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2021-02-07
* 基金项目： 国家自然科学基金项目（51904169）；山东省自然科学基金项目（ZR2019BEE018）；山东科技大学人才引进科研启动基金项目（2017RCJJ002）；山东科技大学矿业与安全工程学院“一流学科”建设专项项目（01AQ01805）
作者简介： 孙艺博，硕士，工程师，主要研究方向为安全与风险评估理论与方法。
通信作者： 李威君，博士，讲师，主要研究方向为事故预防与风险评估理论及方法。
更新日期/Last Update: 2021-04-13