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矿山充填工程中,为解决充填料浆的长距离管道输送难题,达到自流输送的目的,采用充填管道优选及料浆输送浓度优化的方法,经材质对比分析后选用轻质低阻管道,在适当降低浓度的条件下实现了料浆长距离管道自流输送。结果表明,与正常浓度相比,适当将料浆浓度降低1～2个百分点后在低阻管道中达到了大倍线(η>9)自流输送的理想效果,充入空区后形成的充填体流平性好,未曾出现明显的离析现象,且强度可满足开采技术所需。
In the mine filling project, in order to solve the long-distance pipeline transportation problem of filling slurry and achieve the purpose of gravity flow transportation, the filling pipeline optimization and the slurry transportation concentration optimization method are adopted. After light-weight comparative analysis, Reduce the concentration of the conditions to achieve long-distance slurry pipe gravity flow. The results showed that, compared with the normal concentration, the slurry concentration reduced by 1 ~ 2 percentage points and achieved the ideal effect of large-line (η> 9) Body flow is good, no obvious segregation phenomenon, and the strength to meet the mining technology needed.