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冶金部矿山司于1989年3月9～10日在大冶铁矿主持鉴定了由东北工学院、大冶铁矿、矿山节能推广站共同研制的WMI矿用空气幕。该课题旨在为大冶铁矿龙洞采区多机站系统斜坡道与采场的联络道上的漏风提供一种隔断工具,进而在金属矿山推广应用,以解决长期未能解决的运输道隔断漏风的难题。在理论方面,他们把有效压力理论引入空气幕的研究中,提出了相对有效压力、相对有效功率及综合功耗系数等重要概念和指标,进一步完善了空气幕的有效压力平衡理论;在应用
Ministry of Metallurgical Mining Division in March 1989 9 to 10 Daye hosted hosted by the East China Institute of Technology, Daye Iron Mine, Mine Energy Extension Station jointly developed WMI mining air curtain. The purpose of this project is to provide a cut-off tool for the air leakage on the contact road between ramp and stope of multi-station system in Dayeong mining area of Daye Iron Mine, and then to promote its application in metal mines to solve the problem of long- The problem In theory, they introduce the theory of effective pressure into the research of air curtain, put forward some important concepts and indicators such as relative effective pressure, relative effective power and integrated power coefficient, and further improve the effective pressure balance theory of air curtain.