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Environmental Dredging

Environmental dredging usually refers to the process of removing sediment and debris from rivers and streams. With the continuous sedimentation of sand and silt in the river channel, the riverbed will rise and even produce many algae, which will cause serious damage to the water environment and even lead to the normal navigation of the channel. As a result, these deposits must be cleaned regularly. The decanter centrifuge plays an irreplaceable role in the treatment of sludge and algae.

ZK SEPARATION Decanters for Environmental Dredging Process

When carrying out environmental protection dredging of rivers or lakes, an important link is a solid-liquid separation, namely dewatering. We use dredgers to remove sludge or algae in the river. We must treat these sludge or algae to meet environmental protection standards. When dewatering the sludge mixture, the large-capacity centrifuge is undoubtedly the best equipment. By adding polymer to the mixture to make it unstable and increase the particle size, then the sludge mixture is sent to a centrifuge for treatment through a pump, resulting in a relatively dry filter cake and relatively clear wastewater. For oily sludge treatment, a three-phase centrifuge can be used as a treatment system, which can effectively separate the three-phase mixture of oil, water, and sludge.

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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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