无风墙辅扇通风引射器最优出口断面研究  

Numerical simulation on optimum outlet section of auxiliary fan with no air barrage

作　　者：王文才 赵晓坤 张志浩 刘涛涛 WANG Wen-cai;ZHAO Xiao-kun;ZHANG Zhi-hao;LIU Tao-tao(Institute of Mining,Inner Mongolia University of Technology,Baotou 014010,China)

机构地区：[1]内蒙古科技大学矿业研究院,内蒙古包头014010

出　　处：《煤炭工程》2018年第10期134-137,共4页Coal Engineering

基　　金：国家自然科学基金资助项目"矿井巷道火灾中火区温度;阻力;节流效应以及通风网络解算的研究"(51064018)

摘　　要：针对提高井下无风墙辅扇通风效率的技术难题,依据风流流动和辅扇通风的基础理论,建立安装引射器的无风墙辅扇通风的理论模型,应用Fluent软件进行数值模拟研究,并在相似模拟实验模型中测试不同引射器出口对辅扇通风性能的影响。结果表明:合适的引射器出口断面有效地提高了辅扇通风效率,增加巷道风量,增强井下辅扇通风方法的适应性,减少了辅扇通风能耗,同时促进矿井安全生产以及对矿山通风系统的的节能降耗具有一定的参考价值。Aiming at the technical problems on improving the air barrage auxiliary fan ventilation efficiency,based on the basic theory and auxiliary fan ventilation air flow,we established the theoretical model of the auxiliary ventilation fans with ejector and no air barrage,and the numerical simulation using FLUENT,and studied the influence of different ejectors on the auxiliary fan ventilation efficiency in similar tests simulation model in for export. The results show that,suitable outlet section of ejector effectively improves the auxiliary fan ventilation efficiency,increases the roadway air volume,enhances the adaptability of underground auxiliary fan ventilation method, improves ventilation efficiency, reduces the energy consumption of auxiliary fan ventilation,and promotes mine production safety and the energy saving property of the mine ventilation system.

关 键 词：无风墙辅扇 通风性能 引射器 出口断面 节能降耗 

分 类 号：TD714.4[矿业工程—矿井通风与安全]