ZK SEPARATION Decanters for Sand & Gravel Washing Water Treatment Process
ZK Decanter centrifuge is the best equipment for sand washing water and gravel washing water treatment. The amount of sludge that can be processed per day can reach more than 2,000 tons. The ZK decanter centrifuge has the following advantages when processing sand washing water: it can significantly reduce water consumption and promote wastewater recycling. The equipment can operate continuously and efficiently, improving the efficiency of sand washing water treatment. The equipment occupies a limited area: small space, strong environmental adaptability.
Sand Cleaning Water Decanter Parameters
| Model | LW250 x 1025E | LW350 x 1435E | LW450 x 1845E | LW520 x 2150E | LW580 x 2400E | LW650 x 2600E | LW750 x 2800E |
|---|---|---|---|---|---|---|---|
| Speed (rpm) | 4500 | 3500 | 3200 | 3000 | 2800 | 2600 | 2200 |
| Max G Force | 2835 | 2435 | 2580 | 2620 | 2546 | 2460 | 2033 |
| Main Motor (kW) | 11 | 15 ~ 22 | 30 ~ 37 | 55 ~ 75 | 75 ~ 90 | 90 ~ 110 | 110 ~ 160 |
| Back Motor (kW) | 4 | 5.5 | 7.5 ~ 11 | 11 ~ 15 | 15 ~ 18.5 | 22 | 30 |
| Capacity (m3/h) | 2 ~ 8 | 4 ~ 15 | 10 ~ 40 | 15 ~ 70 | 25 ~ 80 | 30 ~ 90 | 40 ~ 100 |
| Weight (kg) | 1250 | 2500 | 4200 | 5200 | 6500 | 7800 | 11000 |
| Dimension (mm) | 2500x800x1150 | 3700x1050x1200 | 4300x1150x1400 | 5100x1250x1600 | 5520x1450x1700 | 6250x2000x1550 | 6500x2200x1600 |
| 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 | ||||||
See More Similar Fields of Application
Sand Washing Water Treatment Application Cases
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Sand Washing Water Treatment
Why Choose ZK Decanter Centrifuge?
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 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 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.
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.
