卸矿站冲击气流分布规律及影响因素研究  

Study on the Distribution Law of Impact Airflow in Unloading Station and Influencing Factors

作　　者：石花军 王明 宋富美[2] SHI Huajun;WANG Ming;SONG Fumei(Shangyuquan Coal Mine,CHN Energy Investment Group Co.,Ltd.;School of Safety Engineering,North China Institute of Science and Technology)

机构地区：[1]国家能源集团国神公司上榆泉煤矿,山西省忻州市034000 [2]华北科技学院安全工程学院

出　　处：《现代矿业》2023年第4期194-197,共4页Modern Mining

基　　金：国家重点研发计划项目(编号:2017YFC0805207);中央高校基本科研业务费资助项目(编号:3142017091,3142014023)。

摘　　要：卸矿站卸矿时产生的冲击气流是诱导粉尘产生的主要原因,严重污染卸矿站及联巷作业环境。通过建立卸矿站气固两相流数学模型,运用Fluent软件对冲击气流产生过程及影响因素进行模拟研究。研究表明:冲击气流的大小对卸矿站粉尘运移有着直接影响;卸矿冲击气流最大值与卸矿量、矿石粒径均呈正比例关系;模拟结果与实测结果一致,为卸矿站冲击气流及粉尘的治理提供依据。The impact airflow generated by the unloading of the ore unloading station is the main cause of dust generation,which seriously pollutes the working environment of the unloading station and the joint roadway.By establishing the mathematical model of gas-solid two-phase flow in the unloading station,Fluent software was used to simulate the process and influencing factors of the impact airflow.The research shows that the size of the impact airflow has a direct impact on the dust migration in the unloading station.The maximum value of impact airflow is proportional to the amount of ore unloading and ore particle size.The simulation results are consistent with the measured results,which provides a basis for the treatment of impact airflow and dust in the unloading station.

关 键 词：卸矿站 冲击气流 粉尘 数值模拟 

分 类 号：TD714.4[矿业工程—矿井通风与安全]