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The motor drive the concentrate cone rotation in high speed via belt. Feed slurry is then introduced through the stationary feed tube and into the concentrate cone. When the slurry reaches the bottom of the cone it is forced outward and up the cone wall under the influence of centrifugal force. The heavy gold will be stay in layers, and light material will be discharged via outlet. After the machine stop, selected gold sand will be discharged via bottom outlet.

Gold Mining Mineral Separator Machinery Nelson Gold Concentration Centrifuge For Sale
Water jacket centrifuge is also called Nelson centrifuge, which is fit for the selecting and recovery of sand gold and rock gold. It’s an ideal equipment for inland, river sand gold and rock gold selecting to replace amalgamating plate. Now our company have three models. Application shows that the recovery can be as high as 99%, especially for the case in recovering the natural gold in lode ore with 65% of the ore having a milling size of 0. 074mm, the recovery for the natural gold is expected up to 98%. For those natural gold of 0.004mm in particle size, the recovery is 97%. The cleaning up cycle is 1~4 hours for Rock gold, and 4-8 hours for Sand gold. The upgrade ratio is up to 1,000 times.
| Model | Kn30 | Kn60 | Kn80 |
Capacity (t/h) | 3-5 | 15-20 | 50-70 |
Feeding size (mm) | 0-4 | 0-6 | 0-6 |
Feeding Density (%) | 0-50% | 0-50% | 0-50% |
Slurry water Required (t/h) | 4-6 | 10-15 | 17-25 |
Concentrate weight (kg) | 10 | 40 | 60 |
Motor Power (kw) | 2.2 | 7.5 | 15 |
Dimensions (m) | 1.2*1.0*1.1 | 1.4*1.6*1.6 | 2.2*1.7*1.9 |
Weight (T) | 0.5 | 1.5 | 1.8 |
The primary function of the Knelson Type Gold Separator Machine is to separate and recover gold from sand and rock materials using centrifugal force.
The KN60 model can achieve a recovery rate of up to 99% for the natural gold in lode ore, with expected recoveries of 98% for milling sizes of 0.074mm and 97% for particles as small as 0.004mm.
The Knelson concentrator works by driving the concentrate cone to rotate at high speed, introducing feed slurry through a stationary feed tube. The centrifugal force then separates heavy gold from lighter materials, allowing the gold to remain in layers while lighter material is discharged.
The dimensions of the KN60 model are 1.4m x 1.6m x 1.6m.
The KN60 model has a capacity of 5-20 tons per hour.
The KN60 model requires approximately 10-15 tons of slurry water per hour.
The cleaning up cycle for rock gold is between 1 to 4 hours, while for sand gold, it ranges from 4 to 8 hours.
The KN60 model weighs approximately 1.5 tons.
The KN60 model uses a motor power of 7.5 kW.
Yes, the Knelson Type Gold Separator is suitable for the selection and recovery of both sand gold and rock gold.
The upgrade ratio of the KN60 model is up to 1,000 times.
Yes, the Knelson concentrator is particularly effective for small particle sizes, with high recovery rates for particles down to 0.004mm.
The Knelson Type Gold Separator can process sand gold and rock gold, making it ideal for mining applications in rivers and inland areas.
In addition to the KN60 model, there are also KN30 and KN80 models available, each with different capacities and specifications.
The Knelson concentrator uses centrifugal force for separation, which is more efficient and effective than traditional methods like amalgamating plates, particularly for fine gold recovery.
No approved technical specifications are available yet. Please refer to the product description or contact our team.
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