The process flowsheet, equipment parameter of jigging separation used for waste slag and metal from ferrochromium manufacture is summarized. Its economic result are also given.

概述了铬铁合金废渣用跳汰精选分离的工艺流程、设备参数和性能，以及该工艺的经济效益。

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The main problems existed in the crushing process of Jinkouling Copper Mine, such as improper flowsheet and uneven equipment loads, are studied in detail.

分析了金口岭铜矿碎矿工艺存在的流程不合理、设备负荷不均、无法满足球磨工艺要求等主要问题。

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After the technological transformation, the ore processing flowsheet and equipment was improved, and the equipment operation rate and ore dressing recovery rate was enhanced.

通过技术改造使选矿工艺流程及设备日趋完善，提高了设备运转率和选矿回收率。

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