棒磨砂充填料浆管道自流输送充填工艺与关键技术
Journal of Xinjiang University(Natural Science Edition)（2016）
Abstract
与尾砂细骨料充填料浆不同,棒磨砂粗骨料充填料浆分层离析显著,导致充填料浆堵管和爆管事故风险高.针对金川棒磨砂粗骨料充填料浆自流充填输送技术,开展高浓度料浆充填工艺与关键技术研究.首先制定了金川矿山棒磨砂高浓度充填料浆自流输送启动与充填作业程序、优化进路充填挡墙结构和充填顺序,保证充填料浆制备质量和待充采场安全与强度要求;然后通过充填料浆脱水工业试验,提出并实施采场充填料浆滤水方案和排水措施,解决了采场料浆脱水与排水技术难题.最后针对棒磨砂粗骨料充填料浆自流输送系统,深入分析了粗骨料和高浓度充填料浆堵管主要影响因素,提出了堵管处理新方法,在此基础上,提出了棒磨砂粗骨料充填料浆堵管防控技术.
MoreKey words
rod mill sand coarse aggregate,filling slurry,gravity convey,filling technology and process
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