【摘要】 对金川有色金属公司二矿区充填管道的使用情况及磨损规律进行了评述，并对采用高浓度、小流量、低流速、大高差、长距离的管道自流输送方式作了介绍，取得了较好的经济效益。更多还原

【Abstract】 The use of filling pipeline in Mine Area Ⅱ of Jinchuan Non - ferrous Metals Complex and the laws of the pipeline wearing are described. Pipelining by gravity with high density, small flow rate, slow velocity, large difference of elevation and long distance and its economic benefit are presented.更多还原