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Potential Benefits of Underground Processing for the Gold Sector--Conceptual Process Design and Cost Benefits

机译：Gold Sector地下处理的潜在好处 - 概念过程设计和成本效益

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By designing comminution circuits for mineral liberation rather than the final recovery process and by using high mass pull gravity recovery, the concept of underground processing has become a reality. Gekko has found that many ores respond favourably to fine crushing with either high pressure grinding rolls or vertical shaft impactors which when combined with the Inline Pressure Jig gravity separator and coarse flotation results in a narrow, low-head, compact processing plant that can be sensibly fitted in existing underground openings. The focus on fine crushing reduces the power requirements of the plant to approximately. 5 kWh/t for a capacity of up to 20 t/h run of mine ore feed. The use of water recycle systems places no extra load on the mine's normal water handling system. Gekko's underground processing plant, the 'Python', has been designed to be towed down the decline or lowered down a shaft and is capable of being installed in sloping, non-linear drives for placement close to the working face. The overall benefit to mining companies of this concept has been estimated to be a significant operating cost-saving, lower cut-off grade and a significantly smaller environmental footprint.
机译：通过设计用于矿物质解放的粉碎电路而不是最终的恢复过程，通过使用高质量拉力恢复，地下处理的概念已成为现实。 Gekko发现许多矿石有利地用高压磨削辊或垂直轴冲击器的微粉响应，当与内联压力夹具重力分离器和粗浮浮子相结合时，粗浮动导致狭窄的低头，紧凑的加工厂可以是明智的适用于现有的地下开口。对细碎的重点将植物的功率要求降低到大约。 5 kWh / T的容量高达20吨/小时的矿井饲料。水循环系统的使用在矿山的普通水处理系统上没有额外的负载。 Gekko的地下加工厂，“Python”，设计用于拖曳下降或降低轴，能够安装在倾斜，非线性驱动器中，用于靠近工作面。据估计，该概念的矿业公司的整体福利据估计是一项重要的运营成本节省，较低的截止级和明显较小的环境足迹。

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