基于PHAST的高压烃类注气管道安全防护距离研究  

Study on the safety protection distance of high pressure hydrocarbon gas injection pipeline based on PHAST

作　　者：周子栋 冯波 闫晓峰 徐广军 刘银春 李丹 张倩 周明明[6] 郝伟[7] ZHOU Zidong;FENG Bo;YAN Xiaofeng;XU Guangjun;LIU Yinchun;LI Dan;ZHANG Qian;ZHOU Mingming;HAO Wei(Changqing Engineering Design Co.,Ltd.,PetroChina Changqing Oilfield Company,Xi’an 710000,Shaanxi,China;No.6 gas production plant,PetroChina Changqing Oilfield Company,Yan’an 716000,Shaanxi,China;Gas field development department,PetroChina Changqing Oilfield Company,Xi’an 710000,Shaanxi,China;Natural gas evaluation project department,PetroChina Changqing Oilfield Company,Qingyang 745000,Gansu,China;Production and operation department,PetroChina Changqing Oilfield Company,Xi’an 710000,Shaanxi,China;No.1 oil production plant,PetroChina Changqing Oilfield Company,Yan’an 716000,Shaanxi,China;No.2 gas production plant,PetroChina Changqing Oilfield Company,Yulin 719000,Shaanxi,China)

机构地区：[1]中国石油长庆油田分公司长庆工程设计有限公司,陕西西安710000 [2]中国石油长庆油田分公司第六采气厂,陕西延安716000 [3]中国石油长庆油田分公司气田开发事业部,陕西西安710000 [4]中国石油长庆油田分公司天然气评价项目部,甘肃庆阳745000 [5]中国石油长庆油田分公司生产运行部,陕西西安710000 [6]中国石油长庆油田分公司第一采油厂,陕西延安716000 [7]中国石油长庆油田分公司第二采气厂,陕西榆林719000

出　　处：《能源化工》2023年第1期64-71,共8页Energy Chemical Industry

基　　金：长庆油田分公司科学研究与技术开发项目:烃类气驱地面工艺技术研究(编号:烃类气驱-2019〔3〕号)。

摘　　要：为了确定高压注气管道两侧安全防护距离,确保高压烃类注气管道及站场的本质安全,结合火灾爆炸事故伤害准则,以某伴生气驱试验高压注气管道为研究对象,基于PHAST软件模拟分析管道压力、管径、泄漏孔径及温度对气体泄漏的火灾热辐射距离、爆炸超压距离的影响。结果表明,不同因素对事故后果影响强弱顺序为:管径、温度、压力、泄漏孔径。建议在高压集输管道敷设过程中,应考虑发生泄漏时对周围环境的影响,明确影响范围,充分预留安全距离,初步建议DN25、DN50、DN80、DN100、DN150管道的安全防护距离应分别为35~40,65~75,100~110,127~135,200 m。In order to determine the safety protection distance on both sides of the high pressure gas injection pipeline and ensure the intrinsic safety of the high pressure hydrocarbon gas injection pipeline and the station yard,combined with the fire and explosion accident injury criteria,a high pressure gas injection pipeline for an associated gas flooding test is taken as the research object.Based on the PHAST software,the effects of pipeline pressure,pipe diameter,leakage aperture and temperature on the fire heat radiation distance and explosion overpressure distance of gas leakage are simulated and analyzed.The results show that the order of the influence of different factors on the consequences of the accident is:pipe diameter,temperature,pressure,leakage aperture.It is suggested that during the laying of high pressure gathering and transmission pipeline,the impact on the surrounding environment in case of leakage should be considered,the impact scope should be defined,the pipeline protection should be strengthened,and the safety distance should be fully reserved.It is preliminarily recommended that the safety protection distance for DN25,DN50,DN80,DN100,DN150 pipelines should be 35-40,65-75,100-110,127-135,200 m.

关 键 词：高压管道 PHAST软件 喷射火热辐射 爆炸冲击波 安全防护距离 

分 类 号：TE88[石油与天然气工程—油气储运工程]