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Process of Conventional Rock Gold Dressing Plant

2015-11-23 7:15:04   XinHai    Views (873)
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flotation

Gold has characteristic of rare, stable value, precious and so on,  it plays an important role in social and economic life. Generally it can be  divided into gold placer and rock gold mine. In gold dressing plant, gold  placer enrichment usually adopts gravity separation, and for rock gold ore, in  addition to the gravity separation, there are flotation, cyanide leaching, heap  leaching, amalgamated sorting process, etc. Here is a brief introduction of the  process of gold dressing plant processing rock gold.

Gold grains in rock gold ore embedded in the rock or disseminated  and associated with rocks. When sorting must first adopt certain crushing  grinding process makes the gold grains to monomer dissociation, then choosing  suitable sorting means for separation and enrichment. Typically the production  process of gold mineral processing plant can be divided into crushing,  screening, grinding, sorting. The crushing operation mainly has two  closed-circuit process and three sections of a closed circuit. Crushing  operation adopts jaw crusher or gyratory crusher, and the crushing ratio is  three to four, the size of crushing production is 250 to 320mm; the middle-age  crushing and fine crushing adopt cone crusher and jaw crusher and the crushing  ratio is four to six. Screening operations is provided at the end of a crushing  operations, and according to the production need, check screening or pre-check  screening are designed and the final crushing granularity needs control in  eight to fourteen mm. Undersize qualified products is sent to the grinding  workshop. Owing to ball mill has weak control ability on grinding granularity,  so the ball mill is usually used with hydraulic cyclone or spiral classifier to  constitute a closed circuit operation. According to actual need of gold  dressing plant, grinding process is designed for two full closed circuit or a  closed circuit grinding process. Product reached the required grinding fineness  will be sent to sorting plant, and as required adopt gravity separation,  flotation, cyanide leaching, heap leaching, mixing mercury method or means of  several joint separation and enrichment process. 

Xinhai is a professional mining group that design gold dressing  plant and it has carried out EPC general contractor service in Cambodia,  African Mali, Shangri La, etc. It has the best design team which has rich  domestic experience and provides numerous mines the best processing technology.

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