[1]马 砺,王伟峰,邓 军,等.液态CO2防治采空区自燃应用工艺流程模拟[J].西安科技大学学报,2015,(02):152-158.[doi:10.13800/j.cnki.xakjdxxb.2015.0203]
 MA Li,WANG Wei-feng,DENG Jun,et al.Simulation of application technological process of liquid carbon dioxide for goaf fire prevention and control[J].Journal of Xi'an University of Science and Technology,2015,(02):152-158.[doi:10.13800/j.cnki.xakjdxxb.2015.0203]
点击复制

液态CO2防治采空区自燃应用工艺流程模拟
分享到:

西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2015年02期
页码:
152-158
栏目:
出版日期:
2015-03-10

文章信息/Info

Title:
Simulation of application technological process of liquid carbon dioxide for goaf fire prevention and control
文章编号:
1672-9315(2015)02-0152-07
作者:
马 砺12王伟峰1邓 军1刘 洁1王振平12
1.西安科技大学 能源学院,陕西 西安 710054;
2.兖矿集团公司,山东 邹城 237500
Author(s):
MA Li12WANG Wei-feng1DENG Jun1LIU Jie1WANG Zhen-ping12
1.College of Energy Science and Engineering,Xi'an University of Science and Technology,Xi'an 710054,China;
2.Yanzhou Coal Mining Company Limited,Zoucheng 273500,China
关键词:
液态CO2 采空区 防灭火 应用工艺
Keywords:
liquid carbon dioxide gob fire prevention technological process simulation
分类号:
TD 75+2
DOI:
10.13800/j.cnki.xakjdxxb.2015.0203
文献标志码:
A
摘要:
液态CO2具有惰化降氧、汽化降温、抑爆及扩散范围大等特点,能够有效解决采空区火源位置模糊、灭火危险大等难题。液态CO2在管道输送过程中易形成干冰或流速过快极易发生堵塞、爆震现象,制约了在采空区自燃火灾防治中的应用。在分析采空区煤自然发火特点及CO2物性基础上,确定了液态CO2通过管路直接输送到采空区的防灭火工艺流程。通过建立CO2气-液两相管道输送热力学模型,利用Aspen HYSYS V7.3软件模拟计算CO2在管道输送参数变化及影响因素,得出的管道输送距离与温度、压力、流量、内径等相互之间的关系。通过模拟确定了CO2气-液两相管道安全输送参数及现场应用工艺。在压力为2 200 kPa,温度为-28 ℃,摩尔流量为75 kmole/h的条件下,管道输送内径为25.4 mm时,对应的安全输送距离不大于500 m; 在内径为101.6 mm时,管道输送的安全距离不大于 50 000 m.结果表明,模拟得出的输送工艺参数能够满足液态CO2防灭火系统管路直接输送过程的安全。
Abstract:
The liquid carbon dioxide has the characteristics of inerting,cooling,explosion suppression,wide diffusion range etc,it can effectively solve the difficulties of gob fire source position fuzzy and put out fire risk.Liquid CO2 is easy to form carbon dioxide ice or when the velocity too quickly,easily occurs the phenomenon of jams and detonation in the process of pipeline transportation,which restrict the application of carbon dioxide in the coal seam spontaneous combustion fire prevention.Based on the characteristics of goaf coal spontaneous combustion and properties of CO2,the fire prevention technological process of the liquid carbon dioxide for the gob is determined.The thermodynamic model of carbon dioxide gas-liquid two-phase pipeline is established.Using Aspen HYSYS V7.3 simulated the pipeline transmission and influencing factors of carbon dioxide,and obtained the relations of transmission distance and temperature,pressure,molar flow,inner diameter.Through numerical simulation,CO2 gas-liquid two-phase pipeline safety transportation parameters and the on-site application technology were determined.Under the condition of the pressure 2 200 kPa,temperature 28 ℃,molar flow rate 75 kmole/h,when the pipeline diameter is 25.4 mm,the corresponding safety transportation distance is not more than 500 m; when the pipeline diameter is 101.6 mm,the corresponding safety transportation distance is not more than 5 000 m.Field application shows that the process parameters by simulation can satisfy the safety of the pipeline direct transport process of liquid carbon dioxide for fire prevention and control.

参考文献/References:

[1] 邓 军,邢 震,马 砺.多元回归分析在煤自燃预测中的应用[J].西安科技大学学报,2011,31(6):645-648. DENG Jun,XING Zheng,MA Li.Application of multiple regression analysis in coal spontaneous combustion prediction[J].Journal of Xi'an University of Science and Technology,2011,31(6):645-648.
[2] 方 刚,郭佐宁,迪 明,等.基于粗糙集和支持向量机的采空区煤自燃火灾预报[J].西安科技大学学报,2012,32(6):712-717. FANG Gang,GUO Zuo-ning,DI Ming,et al.Forecast of spontaneous combustion fire in goaf based on rough set and support vector machine[J].Journal of Xi'an University of Science and Technology,2012,32(6):712-717.
[3] 杜 娟.高抽巷抽采能力对采空区自燃危险性的影响研究[J].西安科技大学学报,2013,33(5):527-531. DU Juan.Research on spontaneous combustion risk in goaf under different capacity of high drainage tunnel[J].Journal of Xi'an University of Science and Technology,2013,33(5):527-531.
[4] 曹建涛,来兴平,崔 峰,等.浅埋煤层近距采空区危险性评价[J].西安科技大学学报,2013,33(4):383-389. CAO Jian-tao,LAI Xing-ping,CUI Feng,et al.Hazard assessment of mined-out areas in shallow and short distance coal seams[J].Journal of Xi'an University of Science and Technology,2013,33(4):383-389.
[5] 韩 刚,刘生玉.液态CO2灭火技术在实践中的应用[J].煤炭技术,2009,28(4):107-109. HAN Gang,LIU Sheng-yu.Application of fire fighting technique using carbon dioxide in practice[J].Coal Technology,2009,28(4):107-109.
[6] 张辛亥,孙久政,栾玉涛.液态CO2防灭火技术在东荣二矿的应用[J].陕西煤炭,2007,16(6):52-53. ZHANG Xin-hai,SUN Jiu-zheng,LUAN Yu-tao.Application of fire fighting technique using carbon dioxide in Dongrong No.2 coal mine[J].Shaanxi Coal,2007,16(6):52-53.
[7] 王致新,王煜彤.二氧化碳灭火系统传统计算方法的新突破[J].亚洲消防,2005(12):61-64. WANG Zhi-xin,WANG Yu-tong.A new breakthrough of traditional calculation method in CO2 fire extinguishing system[J].Asia Fire,2005(12):61-64.
[8] 王致新,王煜彤.低压二氧化碳灭火系统的结冰和爆震问题[J].消防技术与产品信息,2006(4):13-16. WANG Zhi-xin,WANG Yu-tong.The problem of freezes and detonation in Low pressure CO2 fire extinguishing system pipe network[J].Fire Control Technology and Product Information,2006(4):13-16.
[9] 李深梁,闵苏宏,叶晓新.低压二氧化碳灭火系统管网事故的理论分析[J].消防技术与产品信息,2003(1):15-18. LI Shen-liang,MIN Su-hong,YE Xiao-xin.theoretical analysis of the accident in Low pressure CO2 fire extinguishing system pipe network[J].Fire Control Technology and Product Information,2003(1):15-18.

相似文献/References:

[1]于志金,翟小伟,马灵军,等.工作面回撤期间煤自燃高温区域演化规律模拟[J].西安科技大学学报,2016,(05):628.[doi:10.13800/j.cnki.xakjdxxb.2016.0504]
 YU Zhi-jin,ZHAI Xiao-wei,MA Ling-jun,et al.Evolutional law simulation of high temperature zone of coal spontaneous combustion during retreating period of mining face[J].Journal of Xi'an University of Science and Technology,2016,(02):628.[doi:10.13800/j.cnki.xakjdxxb.2016.0504]
[2]张俭让,陈 伟,张 荃.高抽巷瓦斯抽采对工作面安全开采的影响分析[J].西安科技大学学报,2016,(01):13.
 ZHANG Jian-rang,CHEN Wei,ZHANG Quan.Safety mining in working face with high drainage roadway[J].Journal of Xi'an University of Science and Technology,2016,(02):13.
[3]李 真,褚洪涛,王 宇.露天开采下伏采空区顶板控制研究[J].西安科技大学学报,2015,(03):313.
 LI Zhen,CHU Hong-tao,WANG Yu.Research on goaf roof control under open pit mining[J].Journal of Xi'an University of Science and Technology,2015,(02):313.
[4]黄庆享,贺雁鹏,周海丰.榆家梁煤矿多煤层开采矿压显现规律研究[J].西安科技大学学报,2017,(01):21.[doi:10.13800/j.cnki.xakjdxxb.2017.0104]
 HUANG Qing-xiang,HE Yan-peng,ZHOU Hai-feng.Roof pressure of multiple coal seams mining in Yujialiang mine[J].Journal of Xi'an University of Science and Technology,2017,(02):21.[doi:10.13800/j.cnki.xakjdxxb.2017.0104]
[5]唐胜利,唐皓,郭辉.基于BP神经网络的空洞型采空区稳定性评价研究[J].西安科技大学学报,2012,(02):234.
 TANG Sheng-li,TANG Hao,GUO Hui.Stability evaluation of empty mine goaf based on BP neural network[J].Journal of Xi'an University of Science and Technology,2012,(02):234.
[6]蒋丽萍,张新战,蓝海东,等.乌东煤矿45#急倾斜煤层采空区与水患探测分析[J].西安科技大学学报,2012,(05):556.
 JIANG Li-ping,ZHANG Xin-zhan,LAN Hai-dong,et al.Detection and analysis of goaf and flood in Wudong coal mine with 45# steep coal seam[J].Journal of Xi'an University of Science and Technology,2012,(02):556.
[7]罗振敏,郝 苗,苏 彬,等.采空区瓦斯运移规律实验及数值模拟[J].西安科技大学学报,2020,(01):31.
 LUO Zhen-min,HAO Miao,SU Bin,et al.Experiments and numerical simulation researchon gas migration in goaf[J].Journal of Xi'an University of Science and Technology,2020,(02):31.
[8]邓 军,习红军,翟小伟,等.煤矿采空区液态CO2灌注防灭火关键参数研究[J].西安科技大学学报,2017,(05):605.[doi:10.13800/j.cnki.xakjdxxb.2017.0501]
 DENG Jun,XI Hong-jun,ZHAI Xiao-wei,et al.Key parameters of liquid CO2 perfusion for fire control in coal mine goaf[J].Journal of Xi'an University of Science and Technology,2017,(02):605.[doi:10.13800/j.cnki.xakjdxxb.2017.0501]

备注/Memo

备注/Memo:
基金项目:国家自然科学基金资助项目(51204135); 973计划前期研究项目(2011CB411902); 陕西省自然科学基金资助项目(2011JY018) <
通讯作者:马 砺(1978-),男,四川隆昌人,博士,副教授,E-mail:malifature@163.com
更新日期/Last Update: 2015-03-15