Small Scale Gold Mining Equipment

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Small Scale Gold Mining Basic Information

Gold content in the ore is very low, in order to extract gold ore crushing and grinding needs and beneficiation methods using pre-enrichment or separation of gold from ore manipulation. Gold ore is used in more re-election and flotation, gravity separation occupies a very important position in placer gold production, flotation method is widely use rock gold mine beneficiation methods, currently about 80% of the rock gold mine using this method with gold, mineral processing technology and equipment levels have been greatly improved.

 

Small Scale Gold Mining Method – Flotation

Most cooked rock gold mine with gold using flotation, concentrate output of non-ferrous smelter processing multi sent. Due to the increasing cyanide gold extraction in order to improve economic development and enterprise, reduce concentrate transport losses in recent years, product structure has undergone great changes, to take a more in-situ treatment. Promote greater development of the flotation process, occupies an important position in gold production.

There are usually Small Scale gold flotation and flotation flotation two processes. In recent years, there are new developments in the transformation process and pharmaceutical add system, the flotation recovery has improved markedly. Small Scale gold flotation process indicators survey results show that: sulfide ore flotation recovery of 90%, a few up to 95% ~ 97%; oxide ore recovery was about 75%; individual reaches 80% to 85%. In recent years, the transformation of Small Scale gold flotation process innovation as well as a lot of scientific research, the effect is obvious. Floating stage grinding process, heavy – floating joint process, is the main trend of the development of the flotation process.

Small Scale Gold Mining Equipment – Classification Equipment

Spiral classifier by means of solid particles of different sizes, different specific gravity, thus settling velocity different principles in liquids, fine mineral particles floating in the water to overflow, coarse mineral particles sink to the bottom. Discharged into the upper part of the spiral to be a hierarchical classification of mechanical equipment, the mill can grind material powder level in the filter, and then use a spiral piece of coarse material rotary vane screwed mill feed opening, the filter out the fine material discharged from the overflow pipe. The machine base is made of channel steel, steel plate welded body. Into the head of the screw shaft, the shaft head, using pig iron sets, wear durability, improve device-electric and manual.

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