In the context of today’s rapid industrial development, the importance of solid-liquid separation technology has become increasingly prominent. Whether in municipal sewage treatment, petrochemicals, food and beverages, or pharmaceuticals, mining and metallurgy, environmental protection engineering and other fields, how to achieve efficient, energy-saving and continuous solid-liquid separation has become the key for enterprises to improve production efficiency, save operating costs and improve product quality. The Decanter Centrifuge is one of the important equipment to meet this challenge.
What is a horizontal screw centrifuge?
The horizontal screw centrifuge, full name horizontal screw discharge sedimentation centrifuge, is a continuous device that uses centrifugal force to separate solids and liquids. It uses the powerful centrifugal force field generated by high-speed rotation to separate materials of different densities, achieve the sedimentation of solid particles and clarification of liquids, and continuously discharge the deposited solids through a screw conveyor.
Working Principle
The separation process of the horizontal screw centrifuge mainly relies on the continuous action of “sedimentation-conveying-slag discharge”:
Feeding stage: the material to be separated is continuously injected into the centrifuge through the feed pipe;
Accelerated sedimentation: after the material enters the high-speed rotating drum, under the action of strong centrifugal force, the heavier solid particles settle to the inner wall of the drum, while the lighter liquid moves closer to the center;
Solid-liquid stratification: the deposited solid forms an annular sediment layer, and the liquid forms a clear liquid layer;
Screw conveying: under the control of the differential, the screw conveyor has a certain differential speed relative to the drum, and slowly pushes the solids deposited on the inner wall of the drum to the slag outlet;
Discharging process: the clear liquid is discharged from the machine through the overflow weir, and the solid is discharged through the slag outlet, realizing continuous solid-liquid separation.
Structural advantages of horizontal screw centrifuge
Continuous operation, high efficiency
The horizontal screw centrifuge is a kind of equipment for continuous feeding, separation and slag discharge, which is particularly suitable for processing large flow materials. Compared with intermittent separation equipment, it greatly improves production efficiency.
Compact structure and small footprint
The horizontal design has a compact structure and is easy to install. It can adapt to the needs of different production lines and save factory space.
High degree of automation
It can be used with PLC or DCS control system to achieve remote control and automatic adjustment, reducing labor costs.
Low energy consumption and low maintenance cost
It adopts energy-saving motors and efficient transmission structures, stable operation, long replacement cycle of equipment wear parts, and low maintenance cost.
Strong adaptability
It can handle suspensions with various solid contents and is suitable for materials with fine particle size and slow sedimentation rate.
Wide range of application areas
Decanter centrifuges have been widely used in many industries due to their excellent adaptability:
1. Municipal and industrial sewage treatment
It can efficiently separate sludge, achieve sludge concentration and dehydration, and greatly reduce sludge volume and transportation costs.
2. Petrochemicals
It is widely used in oil refining and oilfield drilling mud treatment, and the treatment effect is better than traditional sedimentation tanks.
3. Food processing
Purify or remove slag in food liquids such as soy milk, juice, beer, alcohol, and sugar solution to ensure product quality.
4. Pharmaceutical industry
It is used for efficient separation of high-viscosity and high-solid content materials such as Chinese medicine extracts and fermentation broths.
How to choose a suitable decanter centrifuge?
1. Clarify the properties of the processed materials
Including parameters such as solid content, particle size, density difference, viscosity, and corrosiveness.
2. Evaluate the processing capacity requirements
Determine the required machine size and processing capacity based on daily output and peak processing volume.
3. Material and corrosion resistance requirements
Corrosion-resistant materials should be selected for special industries such as chemical, pharmaceutical, and seawater treatment.
4. Automation and intelligent control requirements
Whether intelligent functions such as remote monitoring, automatic start and stop, and fault warning are required.
As a representative of modern industrial separation technology, the decanter centrifuge is playing a key role in more and more industries. Whether you are concerned about processing capacity, energy saving and environmental protection, automation level, or long-term operating costs, the decanter centrifuge can provide you with a practical solution.
We are committed to providing customers with more efficient, more stable and more intelligent separation equipment. If you are looking for a reliable solid-liquid separation solution, please choose us. We will help your business take off with professional technology, high-quality products and considerate services!
