Treatment of Paint Sludge

In the painting process of the paint shop, water is generally used to moisten the air to absorb the spray paint mist, but as the falling paint accumulates, it will cause the circulating water to become turbid, deteriorated, and smelly, which will affect the normal production. The circulating water of the house must be discharged and replaced at certain intervals. If the paint sludge wastewater is allowed to be discharged into the environment, it will not only cause serious damage to the environment, but also cause a great waste of water resources. The ZK paint sludge dewatering program will effectively solve this problem.

ZK SEPARATION Decanters Application in Paint Sludge Dewatering

Using ZK dewatering centrifuge for paint sludge treatment can greatly reduce the disposal cost. Our centrifuges can run uninterrupted for a long time, ensuring the continuity of the dehydration, filtration and removal operations during the treatment of paint sludge and process water. At the same time, the discharged solid materials can be recycled, and the process water can be re-entered into the production process after purification. Thereby ensuring the maximum utilization of water resources and reducing water costs.

Paint Sludge Dewatering Decanter Parameters
Model LWS250x1025B(X) LWS350x1550B(X) LWS450x1845B(X) LWS520x2150B(X) LWS580x2400B(X) LWS650x2600B(X)
Speed (rpm) 5000 4000 3500 3200 3000 2800
Max G Force 3500 3136 3087 2982 2948 2854
Main Motor (kW) 11 22 30 45 55/75 75/90
Back Motor (kW) 4 5.5 7.5 15 18.5 22
Capacity (m3/h) >1 >3 ~ 5 >5 ~ 10 >10 ~ 15 >15 ~ 20 >20 ~ 30
Weight (kg) 1250 2500 4000 5200 6500 8000
Dimension (mm) 2500x800x1150 3700x1050x1400 3800x1150x1600 4800x1250x1800 5300x1750x1382 5600x1850x1500
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 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
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.

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  1. ZK SEPARATION zkcentrifuge.com