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River placer gold mining cases by chain gold dredger
intro
Placer gold investigation
Open mining
overall mining
Including ore layer, the surface as the limit, for mining gold bearing parts of the object can be seen as lower limit of all loose debris, known as the mixed sand.
Gold dredger mining: gold dredger is the mining and selecting machine floating on the water, is one of the most advanced way for gold mining, It is widely used in the exploiting low grade gold in the flood plain and coastal area.
Hydraulic giant mining: By making full use of high pressure water flow ejected from the hydraulic giant to wash the sand, and transport it to the ore selection system by the sand pump. The minimum width of digging section is 20m, the lowest ore quantity is 500000-1500000 cbm, the normal water consumption for every cbm meter is 15-22 cbm. The hydraulic giant can be widely used in the gold digging in this area: deep slope for mine, fragmentary material easy to be washed, the height of the section less than 20m.
Respective exploit
Exploit the ore layer after digging the sand and mud layer. It is used to exploit the area where the line between the sand layer and ore layer is clear and the mining bed is easy to dig.
Underground exploit
It is applied in exploiting the mineral bed which the grade is high, the deep bury can not be applied for surface mining, The digging heigh is 1.3m-1.5m higher than the bedrock surface, just like if the thickness of the ore layer is less than digging height, it can be measured in mick.
Application of Julong Chain Gold Mining Dredger
Julong chain gold mining dredger is well used water area such as river, high level of automation, less labor force needed, consumption fuel and water only, low noise,well reliability. High processing capacity, lower investment, higher return profit, etc.
chain gold mining dredger consists of rotating trommel, gold separating sluice,automatic washing & separating devices,Nelson centrifuge,vibration sluice,shaking table,and jigger is well used in gold washing, selecting,crushing,screening,and conveying,rough mining and finery mining, etc.
chaingold mining dredger consists of digging, washing, selecting,tailing,generating,and power supplying,and swing etc. YL series chain gold mining dredger absorb advanced technology,scientific design,reliable performance,flexible maintenance, is one of the best gold mining machine as proven by years experience.
Saving sizable investment and lower operation cost, Julong chain gold mining dredger creatively and broadly adapts integrated gold mining technology,like gold grass and gold carpet are been used to absorb tiny gold particles. more importantly to reach higher gold mining ratio.
Cases
Above in turn from left, Sudan 150m3/hr chain gold mining dredger, Congo DRC 150m3/hr chain gold mining dredger,Shanxi 100m3/hr chain gold mining dredger.
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Qingzhou Julong Environment Technology Co., Ltd Address: Julong Industry Park, Qingzhou City, China Hot service: +86-536-3837236/3836888 Phone: +86 186 636 33168 +86 186 636 22100 Email: [email protected] |
Knelson Gold Concentrator