面向矿井用风点的通风网络安全分区方法研究
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摘要
针对煤矿通风系统日趋庞大、各区域之间的影响关系错综复杂的现状,为了掌握各区域间的通风安全逻辑和灾害蔓延耦合关系,提出了一种通风网络安全分区的划分方法。根据通风系统具有的区域性、模块化特征,但各区域间边界模糊不清的问题,定义了包括进风区、回风区、用风区、用风上游区、用风下游区和旁路区在内的6种安全分区,建立了基于广度优先搜索的煤矿通风网络结构分析算法,再结合风流关系矩阵和通风安全逻辑实现了安全分区的划分。该方法能够将黄陵二号矿通风系统划分为功能、关系明确的6种安全分区,验证了划分方法的正确性和有效性。
Mine ventilation system can be divided into safety sub-regions by analyzing the function and feature of each part in ventilation.This safety sub-region can offer clearer perspective for ventilation analysis and modularization management. In this paper,a ventilation safety sub-region partition method was proposed.Because safety sub-regions boundaries often blurred,based on regional and modular characteristics of ventilation system,six different types of sub-region were built including intake region,return region,air-required region,upstream of air-consume region,downstream of air-consume region,and the other region. Using breadth-first search algorithm,mine ventilation system structure was analyzed. On this foundation,together airflow relation matrix and ventilation safety logic a partition method was given for ventilation decomposition. The validity and rationality of the methods were demonstrated in Huangling No.2 coal mine.
Mine ventilation system can be divided into safety sub-regions by analyzing the function and feature of each part in ventilation.This safety sub-region can offer clearer perspective for ventilation analysis and modularization management. In this paper,a ventilation safety sub-region partition method was proposed.Because safety sub-regions boundaries often blurred,based on regional and modular characteristics of ventilation system,six different types of sub-region were built including intake region,return region,air-required region,upstream of air-consume region,downstream of air-consume region,and the other region. Using breadth-first search algorithm,mine ventilation system structure was analyzed. On this foundation,together airflow relation matrix and ventilation safety logic a partition method was given for ventilation decomposition. The validity and rationality of the methods were demonstrated in Huangling No.2 coal mine.
引文
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[2]贾廷贵,王树刚,曲国娜,等.风路敏感特性对通风系统风流稳定性的影响[J].采矿与安全工程学报,2012,29(1):140-143.JIA Tinggui,WANG Shugang,QU Guona,et al.Research on the influence of airway sensitivity on the airflow stability of mine ventilation system[J]. Journal of Mining&Safety Engineering,2012,34(5):644-650.
[3]王红新,范涛,王前龙.赵家寨煤矿通风系统优化改造方案[J].煤矿安全,2013,44(4):153-154,155.WANG Hongxin,FAN Tao,WANG Qianlong. Optimization and modification scheme of ventilation system in zhaojiazhai coal mine[J].Safety in Coal Mines,2013,44(4):153-154,155.
[4]田本东.矿井通风系统的构成[J].煤炭技术,2009,28(4):104-106.TIAN Bendong. Constitution of mine ventilation system[J]. Coal Technology,2009,28(4):104-106.
[5] KARACAN CO.Modeling and prediction of ventilation methane emissions of US longwall mines using supervised artificial neural networks[J].International Journal of Coal Geology,2008,73(3):371-387.
[6]张庆华.我国煤矿通风技术与装备发展现状及展望[J].煤炭科学技术,2016,44(6):146-151.ZHANG Qinghua. Development and prospect of mine ventilation technology and equipment[J].Coal Science and Technology,2016,44(6):146-151.
[7]王红刚,吴奉亮,常心坦,等.通风网络区域划分算法与程序实现[J].工矿自动化,2009(10):39-43.WANG Honggang,WU Fengliang,CHANG Xintan,et al. An algorithm of zones’partition in ventilation network and its program implementation[J].Industry&Mine Automation,2009(10):39-43.
[8]王俭.基于安全分区的通风瓦斯风险控制研究[D].西安:西安科技大学,2008.
[9]吴晓凡.矿井瓦斯灾害的安全分区式评价模型研究[D].西安:西安科技大学,2009.
[10]杨蔓.最短路径算法在煤矿安全分区分析中的应用研究[D].西安:西安科技大学,2009.
[11] JIA Jinzhang.A new matrix-based mathematical model for determining unidirectional circuits in a ventilation network[J].Journal of Coal Science and Engineering(China),2008,14:260-262.
[12] AN Huaming,LIN Bin,LYU Lixing.Positioning mine ventilation recirculation winds based on the depth-first search method[J].Procedia Engineering,2011,24:400-403.
[13] WEI Lianjiang.Topology theory of mine ventilation network[J].Procedia Earth and Planetary Science,2009,1(1):354-360.
[14]孙慧颖,王佳,任远.大空间建筑防火分区方法研究[J].北京建筑工程学院学报,2012,28(3):39-43.SUN Huiying, WANG Jia, REN Yuan. Research of fire compartment method of large space building[J].Journal of Beijing University of Civil Engineering&Architecture,2012,28(3):39-43.
[15]钟德云,王李管,毕林,等.基于回路风量法的复杂矿井通风网络解算算法[J].煤炭学报,2015,40(2):365-370.ZHONG Deyun,WANG Liguan,BI Lin,et al. Algorithm of complex ventilation network solution based on circuit air-quantity method[J]. Journal of the China Coal Society,2015,40(2):365-370.