两翼对角式通风系统回风特性与优化  

Return air characteristics and optimization of two-wing diagonal ventilation system

作　　者：彭云 李开文[1] PENG Yun;LI Kaiwen(Zijin Mining Group Co.,Ltd.,Shanghang Fujian 364200,China;Kunming University of Science and Technology,Kunming 650093,China)

机构地区：[1]紫金矿业集团股份有限公司,福建上杭364200 [2]昆明理工大学,昆明650093

出　　处：《有色金属（矿山部分）》2022年第5期74-78,共5页NONFERROUS METALS(Mining Section）

基　　金：国家自然科学基金资助项目(50974046)。

摘　　要：为探究矿井中两翼对角式通风系统的回风特性,建立了通风网络模型,结合系统回风段角联分支风流方向判别公式及风量调节公式进行分析。结果表明:调节回风段角联分支风向和风量可以改变两翼回风井风量,使两翼回风井共同承担矿井总风量;通过回风段角联分支调节两翼回风井风量,合理分配回风井风量可降低通风系统能耗。To explore the return air characteristics of the two-wing diagonal ventilation system in mine ventilation, a ventilation network model was established, and the airflow direction discrimination formula and the air volume adjustment formula of the return air section of the two-wing diagonal ventilation system were analyzed.The results show that adjusting the wind direction and air volume of the angular joint branch in the return air section can change the air volume of the two-wing return air wells so that the two-wing return air wells share the total air volume of the mine;adjust the air volume of the two-wing return air wells through the angular joint branch of the return air section, and reasonably distribute the two-foil pairs.The air volume of the return air shaft in the angle ventilation system can reduce the energy consumption of the ventilation system.

关 键 词：矿井通风 两翼对角式 角联分支 回风特性 风量调节 能耗 

分 类 号：TD72[矿业工程—矿井通风与安全]