[1]马 砺,崔祥华,邓 军.天然气储罐泄漏扩散的影响因素及危害性[J].西安科技大学学报,2017,(01):15-20.[doi:10.13800/j.cnki.xakjdxxb.2017.0103]
 MA Li,CUI Xiang-hua,DENG Jun.The influence factors of natural gas tank leakage and its harmfulness[J].Journal of Xi'an University of Science and Technology,2017,(01):15-20.[doi:10.13800/j.cnki.xakjdxxb.2017.0103]
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天然气储罐泄漏扩散的影响因素及危害性(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2017年01期
页码:
15-20
栏目:
出版日期:
2017-01-30

文章信息/Info

Title:
The influence factors of natural gas tank leakage and its harmfulness
文章编号:
1672-9315(2017)01-0015-06
作者:
马 砺12崔祥华1邓 军1
1.西安科技大学 能源学院,陕西 西安 710054; 2.兖州煤业股份有限公司,山东 邹城 237500
Author(s):
MA Li12CUI Xiang-hua1DENG Jun1
1 .College of Energy Science and Engineering,Xi'an University of Science and Technology,Xi'an 710054 China; 2 .Yanzhou Coal Mining Co.,Ltd.,Zoucheng 237500 China
关键词:
天然气储罐 泄漏扩散 影响因素 高斯烟羽模型 TNT当量模型
Keywords:
Key words:natural gas tanks leakage diffusion influence factors Gaussian plume model TNT equivalent model
分类号:
X 932
DOI:
10.13800/j.cnki.xakjdxxb.2017.0103
文献标志码:
A
摘要:
天然气储罐一旦发生泄漏后,会对人体及周围造成损害,以西安天然气厂作为对象,针对泄漏扩散、火灾爆炸主要的事故类型等,从分析影响天然气泄漏的因素出发,通过高斯烟羽模型和TNT当量法,计算天然气储罐一旦发生泄漏,产生的危害范围。研究认为参照天然气爆炸上下限以及人可接触浓度阈值三个值为分界点,距离泄漏源下风向313 m,甲烷浓度达到了对人体有害的阈值,距离泄漏源下风向135 m处,天然气浓度处于爆炸下限,以爆炸源为中心,距其440 m以内的范围属于死亡区。高斯烟雨模型极大程度的考虑了影响扩散的因素,TNT当量法是计算爆炸能量的通用方法,得到的计算具有很高的合理度,可作为气体泄漏扩散危害的计算工具。
Abstract:
Abstract:Natural gas tanks once happen leakage,it will cause the damage to body and surroundings,In this paper,the nature gas plant will be the research object,aiming at the main types of events: leakage diffusion,fire explosion,starting from the analysis of factors affecting the leakage of the gas,using Gaussian plume model and TNT equivalent model to calculate hazard scope.Reference on gas explosion limit and concentration threshold people can contact,using those three values as demarcation point,methane concentration reaches the threshold people can contact at downwind 313 m from leakage source,gas concentration reaches lower explosive limt at downwind 135 m from leakage source,centered on explosion source,there are all dead zone within 440 m.Gaussian plume model drastically considered the factors that influence the diffusion.TNT equivalent method is the general method of calculating explosive energy,the calculation has a high reasonable degree,they can be used as a gas leak diffusion hazard calculation tools.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目:国家自然科学青年基金(51204135) 通讯作者:马 砺(1978-),男,陕西西安人,博士,教授,E-mail:66963729@qq.com
更新日期/Last Update: 1900-01-01