ZK Decanter Centrifuge Series

ZK decanter centrifuge has a rich product line, covering many series such as standard, food grade and explosion-proof grade. Our equipment has compact structure, excellent overall performance and strong adaptability. At the same time, our decanter centrifuges are equipped with an automated control system to assist customers in enhancing production efficiency, reducing energy consumption costs, and ensuring production quality and safety.

Two-phase Decanter Centrifuge

Two-phase decanter centrifuge is widely used in various fields such as chemical engineering, pharmaceuticals, environmental protection, and food processing. Its primary function is to separate liquid and solid particles, including resins, sludge, fermentation broth, and metallic/non-metallic minerals, achieving the goals of separation, concentration, and purification. This equipment offers several advantages, such as easy operation, high processing capacity, and excellent separation efficiency.

  1. Wastewater decanter centrifuge
    Wastewater Decanter
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  2. Food decanter
    Food Decanter
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  3. Fermentation decanter
    Fermentation Decanter
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  4. Ethanol centrifuge
    Ethanol Centrifuge
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  5. Fly ash decanter
    Fly Ash Decanter
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  6. Hemp decanter
    Hemp Decanter
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Three-Phase Decanter Centrifuge

Three-phase decanter centrifuge is an efficient and reliable centrifugal solid-liquid separation equipment that rapidly separates mixtures into two distinct liquid phases and one solid phase. It is widely used for three-phase separation in various industries, including food waste, as well as liquid separation in applications such as edible oil, industrial waste oil, coal tar, yeast, and starch.

  1. Olive oil centrifuge
    Olive Oil Centrifuge
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  2. Palm oil decanter
    Palm Oil Decanter
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  3. Protein centrifuge
    Protein Centrifuge
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  4. Oil sludge centrifuge
    Oil Sludge Centrifuge
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  5. Tar decanter
    Tar Decanter
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Decanter Centrifuge Structure and Key Components Display

Decanter centrifuge consists of multiple components, including the main motor drive system, auxiliary motor, differential, screw conveyor, drum, protective cover, base, damping system, main bearing housing, lubrication system, etc. ZK SEPARATION is dedicated to maintaining strict quality control over product details, ensuring that each component undergoes precise and exquisite processing.

  1. Two-Phase decanter sectional view Two-Phase Decanter Sectional View
  2. Three-Phase decanter sectional view Three-Phase Decanter Sectional View
  3. Decanter centrifuge structure diagram Decanter Structure Diagram

ZK Decanter Centrifuge Process Characteristics

Automated control system
Automated Control System

ZK Decanter is equipped with an integrated PLC in the control cabinet, which can fully automatically control the main motor, auxiliary motor, flushing valve and other equipment, and input various parameters through HMI, and monitor the operating status of the equipment at the same time. The controller will automatically alarm and display fault information, and the decanter has the characteristics of self-diagnosis and easy operation and maintenance.

Variety of Spiral Discharge Outlet Designs

The screw conveyor adopts different types of outlets according to different industries, such as vortex, square carbide, and ceramic. The vortex-type discharge outlet enhances processing capacity and reduces sludge fragmentation and flocculant consumption. The square carbide discharge port is easy to disassemble and reuse. The ceramic wear-resistant sleeve has the characteristics of wear resistance, corrosion resistance and sanitary requirements.

Variety of spiral discharge outlet designs
BD board technology
BD Board Technology

The BD board technology's decanter centrifuge is one of the most advanced technologies for reducing moisture content and increasing solid recovery of activated sludge. It enhances the processing capacity of the centrifuge, reduces cake moisture content, improves solid recovery, and results in clearer liquid. Compared to conventional centrifuges, it operates at lower speeds, consumes less electrical energy, and allows for savings in chemical usage and reduced equipment operating costs.

Anti-wear and Anti-corrosion Protection

ZK decanter is a high-performance device that can be used in various process flows. While it has a wide range of applications, we have also taken into full consideration the issue of wear and tear in decanter centrifuges. We have implemented targeted anti-wear configurations to reduce wear, extend the service life, and lower maintenance costs. By choosing the ZK decanter, you will benefit from efficient and stable centrifugal separation without the need for frequent part replacements.

Highly efficient wear and corrosion resistant design

How Does a Decanter Centrifuge Work?

Decanter centrifuge is mainly composed of a feed tube, a bowl, a screw conveyor, and solid/liquid phase discharged outlets. In the separation process, the raw material is pumped into the bowl (also called a rotating drum) through the feed tube. Then, the bowl and the screw conveyor rotate at a high speed in the same direction at a differential speed. By centrifugal force, the solid particles with higher density are collected and compacted on the wall of the bowl, then be pushed to the outlet of the bowl by the screw conveyor. The clarified liquid leaves through a paring disc (internal centripetal pump). Eventually, the separation of the solid and liquid is achieved.

Service Case

ZK SEPARATION decanter centrifuge is an advanced separation equipment suitable for various industries, including chemical, pharmaceutical, food, and environmental protection, It can meet various process requirements and provide efficient and reliable solutions for your production. We also provide comprehensive pre-sales, sales, and after-sales services, ensuring you receive the best quality experience and support throughout your usage.

ZK LW430 Decanter Boosts Alcohol Production Efficiency

An alcohol producer produces a large amount of lees during the production process. Due to the large amount of water in the lees, it not only affects the storage and transportation of the lees, but also brings environmental problems. In order to solve this problem, the company purchased a LW430 centrifuge for ethanol production from our company to dewater the lees. This equipment utilizes the centrifugal force of high-speed rotation to reduce the water content of the lees to a reasonable range, and finally realizes the drying treatment of lees. ZK decanter has the advantages of simple operation, high efficiency, large processing capacity and obvious economic benefits. Through the application of decanter, the enterprise reduces the production cost and improves the product quality and market competitiveness.

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ZK DDGS decanter
Decanter applied to shield mud
ZK LW750 Decanter Applied to Shield Mud Project

A tunnel engineering company encountered problems in processing shield mud during shield construction. After understanding the customer's needs and expectations, the sales representative of ZK SEPARATION recommended our company's LW750 centrifuge for shield mud to him. The equipment adopts the latest separation technology, has high processing efficiency, and can quickly separate the solid and liquid in the shield mud, bringing users higher economic and environmental benefits. After on-site testing and debugging, our equipment has successfully solved the customer's problems and provided a reliable guarantee for the tunnel construction.

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  • Kitchen waste treatment Kitchen Waste Treatment
  • Water treatment Water Treatment
  • Anaerobic biogas slurry treatment Anaerobic Biogas Slurry Treatment
  • Fly ash treatment Fly Ash Treatment
  • Carbon residue flotation Carbon Residue Flotation
  • Coal tar extraction Coal Tar Extraction
  • Mining industry Mining Industry
  • Non-metallic mining Non-metallic Mining
  • Oil sludge treatment Oil Sludge Treatment
  • Shield mud treatment Shield Mud Treatment
  • sludge dewatering Sludge Dewatering
  • food processing industry Food Processing Industry
  • Palm oil extraction Palm Oil Extraction


As a professional manufacturer of liquid and solids separation equipment, ZK SEPARATION is committed to providing our customers with products of the highest quality, safety and best performance. We are certified to ISO 9001, ISO 28001, ISO 14001, CE, EAC, DNV, GOST-R and other international standards.

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