Design and implementation of a coal-dust removal device for heavy-haul railway tunnels

作     者：Yuanjun Li Zhigang Meng 

作者机构：Daqin Railway Co.Institute of Science and TechnologyTaiyuanShanxi030013China 

出 版 物：《Transportation Safety and Environment》 (交通安全与环境（英文）)

年 卷 期：2020年第2卷第4期

页      面：283-291页

核心收录：

学科分类：12[管理学] 0202[经济学-应用经济学] 02[经济学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 020205[经济学-产业经济学] 08[工学] 082303[工学-交通运输规划与管理] 0823[工学-交通运输工程] 

主　　题：heavy-haul railway tunnel dust removal tunnel maintenance 

摘      要：The Daqin Railway is China’s first electrified double-track heavy-haul railway line dedicated to coal *** the years of operation,the tunnels have been covered with a thick layer of coal dust,which also pervades in the *** is that the coal dust has even buried the rail joints in some sections,making the repair and maintenance of the line *** paper introduces a coal-dust removal device for railway tunnels that integrates pipeline transportation with dust-collection *** device is mainly composed of a power system,a conveying system,a dust-filtration and collection system,and a control and protection *** key technical elements of the system,such as the dust-extraction method and dust-filtration and collection parameters,are optimized based on the characteristics of the coal dust in the tunnel(obtained via field trials),which greatly enhances the adaptability of the ***-dust removal efficiency reached over 20 t/h,which improves the working environment,reduces the intensity of manual work required and solves the problem of coal-dust removal from the most polluted area—within 500 m of the tunnel entrance.