Technical principle
Disc centrifuge is a high-speed rotating separation equipment, mainly used for the separation of multiphase materials in liquid-solid and liquid-liquid-solid systems. Its core technology is derived from the principle of centrifugal sedimentation. When the mixed liquid enters the high-speed rotating drum, components with different densities are separated in the centrifugal field, thereby achieving efficient separation.
Brief description of the working process:
Material feeding: The mixed liquid is introduced into the center of the drum through the feed pipe.
Centrifugal stratification: The material is accelerated and enters the disc group. Under the rotation of the drum at up to 5000~8000 rpm, the light and heavy phases are separated.
Solid phase deposition: High-density solid particles settle on the surface of the disc and accumulate on the inner wall of the drum.
Liquid phase diversion: The light phase and heavy phase liquid are diverted between the discs and discharged separately through different liquid outlets.
Slag discharge mechanism: The automatic slag discharge structure can be optionally equipped to achieve periodic or continuous slag discharge and improve operating efficiency.
This separation process is completed in a short time without destroying the activity of the material. It is one of the preferred separation methods in high value-added industries such as pharmaceuticals, biology, and dairy products.
Structural analysis
The disc centrifuge is composed of multiple high-precision components working together to ensure that it remains stable, safe and efficient at high speed:
Core structure composition:
Drum system: The core rotating part, with multiple layers of stainless steel discs installed inside, increases the separation area and shortens the sedimentation path.
Disc pack: Conical distribution, improves separation efficiency, and ensures rapid stratification of light and heavy phases.
Main shaft and bearing system: High-strength alloy and ceramic bearings are used to support high-speed and stable operation.
Drive motor and frequency conversion system: Realize speed control and flexible start and stop to reduce mechanical impact.
Automatic control system (PLC+touch screen): Real-time monitoring of operating status, automatic slag discharge cycle, temperature, pressure and other parameters can be set.
Anti-vibration and explosion-proof design: Used in special industries such as chemical industry to ensure safety.
We provide a variety of series of products such as standard, closed explosion-proof, horizontal deformation structure, etc. according to different material characteristics and working conditions, and support customized services.
Performance advantages
Compared with traditional centrifugal equipment, disc centrifuges have achieved performance leaps in multiple dimensions.
1. High separation accuracy
Centrifugal force up to 12000g;
Minimum separable particle size up to 0.5μm;
Outlet turbidity can be as low as 0.5NTU, meeting the requirements of ultra-clear liquid.
2. Large processing capacity
Continuous feeding and discharging design;
The processing volume can reach 1~30 cubic meters per hour, which is suitable for the production scale of medium and large enterprises.
3. Energy saving and consumption reduction
High-efficiency disc design reduces energy consumption;
Optimize the quality of the drum and reduce the driving energy consumption;
Fully automatic slag discharge reduces manual intervention and improves operating efficiency.
4. Compact structure and easy installation
Compared with horizontal screw equipment, it saves more than 40% of floor space;
The upper liquid discharge structure reduces the supporting pipeline design;
Modular assembly is easy to transport and maintain.
Wide range of applications
The versatility of disc centrifuges makes them play an irreplaceable role in many key industries.
1. Biopharmaceuticals
Separation and concentration of fermentation broths such as vaccines, insulin, monoclonal antibodies, and cell broth;
Retain bioactive ingredients and reduce protein denaturation.
2. Food and dairy industry
Milk skimming, whey separation, and plant protein concentration;
Separation and refining of food additives such as lactic acid bacteria and yeast liquid;
Preferred for food-grade materials with high viscosity and low impurity content.
3. Chemical and fine chemicals
Precision separation of high-viscosity solutions and suspensions;
Industrial oil-water separation, catalyst recovery, and lubricant purification;
Applicable to explosion-proof and anti-corrosion production environments.
4. Energy and environmental protection
Biodiesel separation and waste oil purification;
Dehydration of emulsions, cutting fluids, and paint waste liquids;
Solid-liquid extraction and concentration in urban sludge treatment.
5. Cosmetics and daily chemicals
Extraction and separation of essential oils, fragrances, and active ingredients;
Clean, no residue, and good batch stability.
Today, as automation, cleanliness and green production continue to evolve, disc centrifuges have become the mainstay of modern industrial separation equipment with their high efficiency, precision and flexibility. As a professional disc centrifuge manufacturer in China, we will continue to be customer-oriented, constantly improve product performance, expand application boundaries, and provide more intelligent, stable and efficient separation solutions for global industrial users.
