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FLS centrifuges are designed for high throughput and efficient separation, ensuring that both fine and coarse materials are processed effectively. Whether dealing with coarse coal or finer materials, the centrifuges handle large volumes with ease, reducing water content significantly. Their high G-forces and optimised basket designs ensure maximum dewatering, leading to improved operational productivity.
FLS centrifuges prioritise user-friendly maintenance and operational flexibility. Their modular design and quick access to wear components minimise downtime, allowing for easy replacement of key parts like baskets and belts. With a variety of configurations, including both horizontal and vertical designs, these centrifuges adapt to different plant setups and material sizes, ensuring smooth and efficient operation across multiple industries.
Our centrifuges are engineered for reliable, high-quality separation and dewatering. Whether it’s coal, chemicals, or wastewater treatment, their proven designs – like the VM coarse coal centrifuges or the solidbowl decanter centrifuges – offer superior results. By combining advanced engineering and durable materials, they ensure long-term performance, high solids recovery, and optimised moisture reduction, making them ideal for demanding industrial applications.
Decanter Screenbowl Centrifuge
Coarse Coal Centrifuges
Decanter Solidbowl Centrifuge
Our modern Decanter Screenbowl Centrifuge has been designed with cost efficiency and simplicity in mind, allowing you to benefit from high recovery rates and to replace spare parts with ease and at a lower cost. Incorporating the latest wear, process and engineering technology, the Decanter Screenbowl Centrifuge includes an open-end discharge system to facilitate higher capacity and lower wear rates in the discharge area.
Benefits include:
High capacity
Simple, compact, modern design increases solids recovery
Low, easy maintenance and reduced wear and tear
Improved dewatering through a combination of filtration and sedimentation
Maximum uptime thanks to minimal servicing requirements
24/7 service support for the lifetime of your machine
Our Decanter Screenbowl Centrifuge is a robust machine that has been engineered for higher solids recovery across a range of materials including coal, potash, soda ash and chemicals such as PX (Paraxylene) and Sodium Hypochlorite.
The Decanter Screenbowl Centrifuge features:
Large diameter of 30-54 inches (762-1372 mm)
Monitored and controlled through electronic and digital system, which includes a PLC and local instruments such as switches, vibration monitor, flow meters, temperature probes, torque monitor/switch and lubricant switches
Circulating Lube System which includes a pump, filter, heat exchanger and oil flow switches
Our innovative range of horizontal vibrating-basket style Coarse Coal Centrifuges are manufactured with the most durable high-quality material to cope under the toughest mining environments. They have an extensive wear life to increase efficiency, reduce maintenance and produce high-quality dewatered coal.
Our Coarse Coal Centrifuges can treat material from -50mm to +0.5mm. They can also decrease feed moisture down from 18–25% to produce surface moisture of the product to be as low as 2–9%, depending on the particle size distribution of feed material and coal type.
Benefits include:
Durable construction, with some customers experiencing more than 16 years life
Minimised wear thanks to wear-resistant linings, polyurethane doors, stainless steel basket and more
Safe and easy to use with easy basket removal, easy sample and basket access, and a removal mandrel to make changing buckets quick and easy
High efficiency with up to 410 tph processing capacity
The feed is pressed to the inner side of the basket by centrifugal force and the vibration stroke moves the solids a small distance down the basket with each pulse, until they finally discharge as dry product. During this process, surface water is removed from the particles and forced through apertures in the basket. The Coarse Coal Centrifuges are largely used on coal mines, but their diversity and adaptability also mean they can dewater a range of other products including salt, granulated slag and fertiliser.
With six different models, including the world’s largest capacity Coarse Coal Centrifuge, there’s sure to be one to suit your operations:
VM600 – 20 tonnes per hour with a 600mm basket
VM1100 – 150 tonnes per hour with a 1100mm basket
VM1300 – 250 tonnes per hour with a 1300mm basket
VM1400 – 300 tonnes per hour with a 1400mm basket
VM1500 – 350 tonnes per hour with a 1500mm basket
VM1650 – 410 tonnes per hour with a 1650mm basket
Our advanced Decanter Solidbowl Centrifuge uses a sedimentation process to separate liquids and solids from a slurry. Built to last with the latest wear, process and engineering technology, it is designed to offer flexibility with regards to slurry flow and solids concentration and has the ability to capture ultra-fine and low-density solids. Modern and compact, it can be manufactured in a range of different material types to meet your process needs. It is also available in vapor tight and pressurised designs.
Benefits include:
Rubber isolators give the centrifuge more flexibility to move and absorb high frequency vibrations
Flexible to meet the needs of different applications, including mobile operations
Simple design and low, easy maintenance with 24/7 support
Fully automatic with minimal operator attention required
Low power consumption helps ensure cost efficiency
Our Decanter Solidbowl Centrifuge is a sturdy machine that has been engineered for higher solids recovery across a range of materials including coal, kaolin, calcium carbonate, potash, soda ash and chemicals such as PVC (Polyvinylchloride), PX (Paraxylene), Sodium Hypochlorite, Oxone and CPVC (Chlorinated Polyvinylchloride).
It is also suited to use in municipal settings, including for wastewater bio solids, water alum sludge and water lime dewatering
It gives you more flexibility with design and manufacturing options in order to meet all your sedimentation needs
Our Decanter Solidbowl Centrifuge features:
Large diameter of 30-54 inches (762-1372 mm)
Monitored and controlled through electronic and digital system, which includes a PLC and local instruments such as switches, vibration monitor, flow meters, temperature probes, torque monitor/switch and lubricant switches
Circulating Lube System which includes a pump, filter, heat exchanger and oil flow switches
Built with strong material to cope with the toughest mining conditions, our Fine Coal Centrifuges are built to last. Their exceptional wear life increases efficiency, reduces maintenance and replacement costs and produces high-quality dewatered coal in the most cost-effective way.
Our Fine Coal Centrifuge range includes both vertical and horizontal scrolled basket style machines that use centrifugal force to separate surface water from coal, salt, granulated slag and other chemicals. Benefits include:
Durable construction for a long service life, including abrasion-resistant linings as standard
Feed distributor and scraper scroll improve ease of operation and reduce wastage
Simple maintenance design enables disassembly in order of component wear
High efficiency, high capacity – up to 100 tph through the HFC1300 S2, which achieves the driest possible product
Full customisation of baskets, drive arrangement and drive motor positions
Efficient dewatering, plus low installation and running costs
Both the FC1200 and HFC1300-S2 centrifuges are designed to process feed slurry through a rotating, perforated basket. As the basket rotates, its G-forces push the slurry against the surface, allowing water to filter through the solids and discharge through the machine's pipes. The scroll, featuring a screw flight design, moves the solids through the basket until they are discharged as dry product. These centrifuges are versatile, capable of accepting feed slurry from various sources, such as thickening cyclone underflow, sieve bend overflow, or fines dewatering screen overflow. They are highly effective at reducing feed moisture from 45–55% to as low as 9–13%, depending on particle size distribution. While the FC1200 emphasizes ease of maintenance and high throughput, the HFC1300-S2 stands out for its high capacity, advanced real-time monitoring, and enhanced safety features, making it well-suited for demanding industrial applications.
FC1200
HCF1300-S2
The FC1200 centrifuge is designed with a modular structure that allows for easy maintenance, with components such as the basket, distributor, scroll, and carrier disassembled in the order of wear. This setup enables faster repairs and replacements. It features a one-piece disposable basket that simplifies replacement, along with user-friendly features like easy access for belt changes and a re-usable oil filter equipped with a built-in magnet for better filtration. Additionally, the FC1200 is equipped with a blocked filter bypass indicator for added safety. It offers a range of customization options, including various drive arrangements and motor positions, as well as an optional velocity arrester for feed pipes with high flow rates. Performance-wise, the FC1200 boasts a large throat opening and 16 product conveying fins, which significantly improve throughput and dewatering.
Nominal capacity – 50–80 tonnes per hour*
Main drive motor – 55 kw
Lubrication motor – 1.1 kw
Basket diameter – 1200 mm
Basket aperture – 0.250/0.375 mm
Size – 3060 L x 2365 W x 2360 H mm
Weight – 5650 kg
Feed size range – -2 + 0.100 mm
The HFC1300-S2 centrifuge shares the modular design approach but is configured horizontally, which gives it a low profile, making maintenance easier and safer since workers don’t need to operate at heights. The hinged door with a built-in chute allows for quick access to components that wear out frequently. Its modular sub-assemblies also make it easier to replace entire sections when needed. Like the FC1200, the HFC1300-S2 has externally mounted drive motors and belts for convenient and safe access. It also offers multiple drive motor and door handling configurations, making it adaptable to various plant layouts. The HFC1300-S2 includes advanced torque monitoring sensors that provide real-time feedback and can regulate feed to minimise clutch trips. Designed for high efficiency, it has the capacity to handle up to 100 tons per hour, delivering the driest possible product.
Nominal capacity – 100 tonnes per hour*
Drive motor – 110 kw
Lubrication motor – 0.75 kw
Basket diameter – 1300 mm
Basket aperture – 0.375 mm
Size – 3010 L x 2256 W x 2065 H mm
Weight – 6,300 kg
Nominal feed size range – -2 + 0.100 mm
Decanter Screenbowl Centrifuge Coarse Coal Centrifuges Decanter Solidbowl Centrifuge
Fine Coal Centrifuges (FC1200 & HFC1300-S2)Coarse Coal Centrifuges Decanter Solidbowl Centrifuge
Design
Simple, compact design for easy maintenance and high solids recovery
Modular design, customizable configurations, high throughput and capacity
Capacity
High capacity
FC1200: 50–80 tph, HFC1300-S2: up to 100 tph
Applications
Coal, potash, soda ash, chemicals (PX, Sodium Hypochlorite)
Coal, salt, granulated slag, chemicals
Key Features
Open-end discharge, improved dewatering through filtration and sedimentation
High dewatering efficiency, customizable baskets and motors
Maintenance
Low maintenance and reduced wear, 24/7 service support
Easy maintenance with modular parts, quick access to components
Advanced monitoring
Monitored via electronic systems (PLC, sensors, vibration, torque monitors)
HFC1300-S2 includes real-time torque monitoring and feed regulation sensors
Typical feed size
-2 to +0.100 mm
Nominal feed moisture reduction
45–55% to 9–13%
Special features
Wear-resistant, open-end discharge, electronic control systems
FC1200: Easy access for belt changes; HFC1300-S2: Torque monitoring sensors
FAQs for centrifuges
In mining, a centrifuge uses rotational force (G-forces) to separate materials based on their density. Feed slurry, which is a mixture of solids and liquids, is introduced into a rotating basket or bowl. The centrifugal force pushes the heavier solid particles against the basket’s surface, while the lighter liquids pass through a mesh or perforations. The solids are moved along the basket by scrolls or vibrations until they discharge as dry material, while the liquid is removed through discharge pipes. This method is commonly used to dewater minerals such as coal, reducing moisture content before further processing.
The primary purpose of a centrifuge is to separate materials based on their density. In mining and industrial applications, centrifuges are used to dewater solid materials by separating solids from liquids in a slurry. This allows for the recovery of valuable solid materials and the removal of water for further processing.
A dewatering centrifuge is a machine specifically designed to remove moisture from solid materials. It works by applying high rotational G-forces to push the liquid out of the solid particles. Dewatering centrifuges are essential in mining and other industries where the separation of solids from liquids is crucial.
There are several types of centrifuges used in mining:
Basket Centrifuges: These centrifuges have a perforated rotating basket that uses G-forces to separate solids from liquids. They are commonly used for coarse and fine coal dewatering
Screenbowl Centrifuges: Combining filtration and sedimentation, these centrifuges have a solid bowl section followed by a screen section, allowing for enhanced dewatering of fine materials
Decanter Solidbowl Centrifuges: These have a rotating bowl with an internal scroll to separate solids and liquids through sedimentation. They are ideal for applications involving fine particles or chemical processes
Vibrating Centrifuges: These are typically used for coarse coal, where vibrations help move solids through the machine for efficient dewatering
Each type is suited to specific material sizes and moisture removal requirements.
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