中文摘要：

针对典型煤矿的深部高温热害威胁,在徐州矿区建立的＂以矿井涌水为冷源的深井降温系统＂取得了良好效果,但也仍存在优化潜力。本文以徐州张双楼矿井热害控制为例,应用流固传热及边界层理论数值模拟的方法,建立工作面的岩石-空气耦合传热模型,对降温系统干预下的深井工作面温度场进行了研究。利用系统运行实测结果对模型进行验证,证明了模型的准确性和适用性。通过对降温系统不同工况进行模拟,为现场降温系统提出了优化方案。

英文摘要：

Heat hazards in China＇s typical coal mines become more and more serious with the increase of mining depth.Recently,the high-temperature exchange machinary system（HEMS）by using coal mine inflow is employed in Xuzhou Mining Group deep coal mines.Field experiments show that this cooling system achieves obvious effect in heat hazard control,but the researches on mechanism and the optimizing of HEMS system are still needed.Based on the field experiment in Zhangshuanglou coal mine,the numerical simulation are performed with the rock-air coupled heat transmission model.The solid heat transfer and flow boundary layer theory are employed and then the model is examined by the field monitored data,which shows the model is reliable in working face cooling simulation.With the simulating results for different HEMS working conditions,the temperature field and velocity field at working face are obtained,and the system optimizing parameters are also provided with 17 centigrade and 3m/s outlet velocity.The model and simulating test methods may provide basis and ideas for similar ventilation and cooling systems optimization.