backfill operations

Molten Filling in Vertical Centrifugal Casting and Its Numerical Simulation;

立式离心铸造熔体充填量的研究与模拟

Study on Mechanism and Application of Water Reducer in Filling Pulp;

减水剂在充填料浆中的作用机理及应用研究

Application of new filling technology to the mined-out area in the upper part of Woxi mineral field;

沃溪矿区上部空区处理充填新工艺的应用

The Laser Doppler Velocity(LDV) and computation fluid dynamics software(FLUENT) were introduced to test and simulate the fluid field in order to study the influences of packing screen plates on fluid environment of the packed-separation zone of cyclonic static micro-bubble column flotation.

为了研究充填筛板对旋流-静态微泡浮选柱分选段流体环境的影响,分别用激光粒度测速仪(LDV)和计算流体力学软件(FLUENT)对分选段的流体速度场分布进行测试与模拟,结果表明,轴向速度在0。

Based on sieve plates packing,a high-efficiency-mixed-packing mode which consisted of sieve plates packing and honeycomb tubes packing was proposed by optimizing packing modes in the separation zone of cyclonic static micro-bubble column flotation.

充填是提高浮选柱分选效率和降低浮选柱高度的有效途径之一。

This paper takes the Ruhr mining area in Germany as an example to discuss the technique of solid waste backfilling.

为了环境保护的需要,德国等许多国家积极开展利用废物进行地下充填的新的采矿法,使矿区环境得到保护以及采矿业达到可持续发展。

It is very difficult to accurately determine the deformation regularity of a backfilling and its surrounding rock today.

当前准确确定松散充填体及其周围岩体的变形规律还相当困难 ,在假定充填江砂被压缩成致密砂岩的极限条件下 ,运用有限元方法研究了充填体变形对地表建筑物的影响。

The paper mainly intrduces some quality problem in backfill method and presents some resolutions and suggestions for further discussion.

主要介绍了充填采矿法中经常出现的一些质量问题 ,并对解决这些问题提出一些建议和方法供大家探讨。

The authors outline the recent progress on tailings dewatering, paste backfill with full size tailings and surface plaoement of paste tailings, and analyse theapplication properties of clifferent tailings disposal processes.

介绍了国内外在尾矿高效浓缩、尾矿充填采空区和膏体尾矿干式堆存方面的研究和应用进展,分析了各种尾矿处理方法的特点,指出随着人们环保意识的增强,安全、高效和环境友好的尾矿处理方法将逐步取代传统的尾矿地表堆存方法。

Study on application of the method of unsized tailing consolidated fill with allwater quicksetting cementing materials;

全尾砂全水速凝胶结充填法的应用研究

019 mm) was used to fill in empty terrain, and the tailing ore (-0.

019mm的尾矿进行采空区的充填、将-0。

According to the geologic features of silty beach and the lack of sand and stone resources,a technique using large geotextile tubes filled with consolidated mud for roadbed has been developed and it can be used for construction of road and seawall in such beach area.

根据淤泥质滩涂地区地质特点,在砂石资源缺乏的情况下,开发了一种大模袋充填固化泥作为堤心材料,可用于滩海地区路堤建设。