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Tailing Dewatering

Tailings are fine-grained residues in the form of sludge produced during the processing of ores and minerals. In ore mining operations, tailings are generally stored in large tailings dams and settling basins or sludge ponds. These exposed tailings may cause run off or seepage. This will adversely affect the environment. The use of the decanter centrifuge to dewater the tailings can not only effectively solve this problem, but also realize the recovery of available resources.

ZK SEPARATION Decanters Application in Tailing Management

The ZK centrifuge is used to dehydrate the tailings sludge to form dehydrated tailings and then store them, ensuring the long-term safety of the tailings pond. At the same time, it also meets the environmental protection standards, and effectively alleviates the difficulty of water use in mining operations. Because, in the dehydration treatment of tailings, our centrifuges can remove the water in the tailings to the greatest extent, and can effectively recover the waste water, and then it can be recycled in ore processing operations. At the same time, our equipment is designed with anti-wear protection for the tailings sludge treatment, which will greatly extend the effective working time of the ZK centrifuge. In addition, our centrifuges can also be used for waste processing in the beneficiation process.

Tailing Dewatering Centrifuge Parameters
Model LW250 x 1025B LW350 x 1435B LW450 x 1845B LW520 x 2150B LW580 x 2400B
Speed (rpm) 5000 4000 3200 3000 2800
Max G Force 3500 3136 2580 2620 2546
Main Motor (kW) 11 22 30 ~ 37 45 ~ 55 75 ~ 90
Back Motor (kW) 4 5.5 7.5 15 18.5
Capacity (m3/h) 0.5 ~ 3 3 ~ 10 8 ~ 15 15 ~ 20 20 ~ 30
Weight (kg) 1250 2500 4200 5200 6500
Dimension (mm) 2500x800x1150 3700x1050x1400 4300x1150x1450 5100x1250x1600 5520x1450x1700
Drive Type VFD + PLC + HMI
Bowl Material SUS2205(Duplex Stainless Steel) / SUS2304 (Duplex Stainless Steel) / 316L / 316 Centrifugal Casting
Screw Material SUS2205(Duplex Stainless Steel) / SUS2304 (Duplex Stainless Steel) / 316L / 316 Centrifugal Casting
Bearing SKF / NSK

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Why Choose ZK Decanter Centrifuge?

reliable
Reliable Quality

The bowl (core component) is made of SAF 2205 duplex stainless steel by centrifugal casting process, and its performance is superior to conventional 304 and 316. All weld joints have undergone flaw detection and thermal treatment, and are provided with certificates of conformity or records for traceability.

stable
Stable Operation

The dynamic balance precision of the centrifuge is ≥ Class 2.5, which is superior to the requirement of the standard, so that the centrifuge can be operated smoothly and its longevity is extended. The noise of the complete machine is < 85 dB, the vibration intensity is < 7.1 (load) and 4.5 (no-load). It is equipped with a mechanical and electrical dual overload protection device to ensure safe operation.

long service
Long Service Life

The screw conveyor and bowl adopt of the most advanced, reliable and convenient wear-resistant treatment technology and structure in China. All bearings adopt original imported NSK/SKF bearings. The electric control box is made of electrical elements of famous brands such as Siemens and Schneider.

cpanel
High Degree of Automation

ZK decanter differential speed automatic control technology can automatically adjust the screw conveyor’s differential speed, to prevent overload and blockage. The complete machine is equipped with bearing temperature sensor and vibration sensor, and is provided with alarms for main motor overload, differential over torque, low differential speed, etc. Meanwhile, its supporting frequency conversion (flameproof) control cabinet can realize automatic start and stop with one key.

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