Used Centrifugal Dryer For Plastics for sale (11,367)
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Listing
Podrzecze
6,022 km
Centrifugal dryer for plastics
KCBM75 kW 700-1000 kg/h
Call
Year of construction: 2021, condition: used, Centrifugal dryer for plastics from recycling.
Manufacturer: Kreatywne Centrum Budowy Maszyn
Year of manufacture: 2021
Power supply: 400 V
Power: 75 kW
Output capacity: 700 kg/h (soft plastics)
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1,000 kg/h (hard plastics)
External machine dimensions:
- Length: 4,000 mm
- Width: 1,500 mm
- Height: 2,600 mm
Conveyor belt included in the set.
Technical condition: used
Listing
Zheng Zhou Shi
3,684 km
Drying system
Rotary Dryer for wood, biomass, sawdust1200X10000 rotary drum dryer
Call
Condition: new, Year of construction: 2026, power: 11 kW (14.96 HP), Rotary drum dryer for drying various kinds of materials like sand, biomass, sawdust, red mud, bentonite, coal
Diameter: 1200mm
Length: 10000mm
Power: 11-13KW
Gradient: 3%
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Capacity: 1.5-3 t/h
Weight: 14Tons
Besides this model, we also have the other models of rotary drum dryer 1500x12000mm, 2400x20000mm, and complete drying system for various materials, welcome to contact us for more details
Our factory can design suitable solution according to your specific requirements.
Rotary drum dryers are highly efficient machines used extensively in the processing of wood chips, sawdust, and biomass. They operate by utilizing a rotating drum that heats and dries the materials as they are transported through the cylinder. The design of these dryers allows them to handle a wide range of particle sizes and moisture levels, making them suitable for various types of biomass. They can also tolerate high-temperature exhaust gases, which contributes to their efficiency and versatility in industrial applications.
Rotary Drum Dryer for Wood Chip, Sawdust, Biomass
🌳 Introduction to Rotary Drum Dryers
In the realm of biomass processing, moisture control is key. Enter the Rotary Drum Dryer, an indispensable machine designed to efficiently reduce the moisture content of wood chips, sawdust, and biomass. This essential tool enhances productivity, improves fuel quality, and is pivotal in biomass energy production. Let’s explore its functionality and benefits! 💡
💼 Key Benefits of Using a Rotary Drum Dryer
1. Energy Efficiency: Designed to optimize energy use, Rotary Drum Dryers consume less power while delivering high drying efficiency. 🌿💡
2. High Capacity: Capable of handling large volumes of biomass, these dryers are perfect for industrial applications where large-scale drying is needed. 🏭
3. Improved Product Quality: By achieving the optimal moisture content, the dryer enhances the quality of biomass for fuel, pellets, and other applications. 🔥
4. Versatility: Suitable for a wide range of materials including wood chips, sawdust, and various types of biomass, making it a versatile tool in any biomass processing plant. 🌳
# Application Fields and Materials of Rotary Drum Dryer
II. Application Fields
A. Agriculture
- Drying of grains, seeds, and forage.
- Processing of agricultural by-products like straw and husks.
B. Food Industry
- Dehydration of food products such as fruits, vegetables, and spices.
- Preservation of food quality during drying.
C. Chemical Industry
- Drying of chemical powders, granules, and crystals.
- Application in the production of fertilizers and detergents.
D. Mining and Minerals
- Drying of ores, coal, and mineral concentrates.
- Reduction of moisture content for easier handling and processing.
E. Construction Materials
- Drying of sand, cement, and other construction aggregates.
- Preparation of materials for manufacturing processes.
F. Pharmaceuticals
- Drying of pharmaceutical powders and active ingredients.
III. Materials Processed by Rotary Drum Dryer
A. Organic Materials
- Biomass, wood chips, sawdust, and animal feed.
B. Inorganic Materials
- Sand, clay, limestone, and gypsum.
C. Waste Products
- Sludge from wastewater treatment plants.
- Industrial by-products for recycling or reuse.
Listing
Zheng Zhou Shi
3,684 km
Drying system
Single & Triple pass rotary dryerFor wood, sawdust,coal,fertilizer drying
Call
Condition: new, Year of construction: 2026, functionality: fully functional, power: 11 kW (14.96 HP), A triple pass rotary drum dryer is a type of industrial dryer that is used to reduce or remove moisture from a material. It gets its name from the three rotating drums through which the material passes, each with a different purpose in the drying process. This type of dryer is commonly used in the production of various bulk solids, including minerals, agricultural products, and biomass.
Here are the key features and components of a triple pass rotary drum dryer:
1. Triple Pass Design:
- The material being dried passes through three rotating drums or cylinders, hence the term "triple pass." Each drum serves a specific purpose in the drying process.
2. Material Flow:
- The material enters the dryer and first passes through the innermost drum. After the initial drying phase, it moves to the middle drum and then to the outer drum, undergoing additional drying in each pass.
3. Heat Source:
- Heat is typically provided by a combustion system, such as a burner or furnace, located at one end of the drum dryer. The hot gases generated by the combustion process flow through the rotating drums, transferring heat to the material.
4. Air Flow:
- The dryer is designed to optimize air flow through the drums, ensuring efficient drying. In a triple pass design, the material and hot gases move counter-currently through the three drums, enhancing heat transfer and drying efficiency.
5. Lifting Flights or Lifters:
- Lifters are internal components inside the drums designed to lift and cascade the material as it rotates. This movement promotes good heat transfer and uniform drying.
6. Retention Time:
- The triple pass configuration allows for an extended retention time of the material in the drying system. This longer exposure to heat enhances the drying efficiency, making the triple pass rotary drum dryer suitable for materials with high moisture content.
7. Cooling Section:
- After the material completes the three passes and reaches the end of the drum dryer, a cooling section may be included to reduce the temperature of the dried material before it is discharged.
8. Applications:
- Triple pass rotary drum dryers are used in various industries, including agriculture (drying crops like grains), minerals (drying ores or concentrates), and biomass (drying wood chips or other organic materials).
9. Efficiency and Energy Consumption:
- Triple pass rotary drum dryers are known for their high efficiency due to the extended drying time and effective heat transfer. However, they may have higher energy consumption compared to single or double pass dryers.
When selecting a triple pass rotary drum dryer, it's essential to consider factors such as the type of material to be dried, required moisture reduction, and overall processing requirements. Proper design and operation are crucial to achieving optimal drying performance.
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Technical details
We have different options for different requirements, please contact our team for more info.
Listing
Meckesheim
6,870 km
Centrifugal dryer/ dry cleaner
HERBOLDT800
Call
Condition: used, Can be used for pre-shredded plastic waste (hard plastic, film),
Throughput approx. 0.5-2 t/h depending on material type
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Drive power 30 kw
A total of four dryers of this model are available.
Listing
Meckesheim
6,870 km
Centrifugal dryer
HERBOLDT800
Call
Condition: used, Can be used for pre-shredded plastic waste (hard plastic, film),
Throughput approx. 0.5-2 t/h depending on material type
Drive power 30 kw
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A total of four dryers of this model are available.
Listing
Meckesheim
6,870 km
Centrifugal dryer/ dry cleaner
HERBOLDT800
Call
Condition: used, Can be used for pre-shredded plastic waste (hard plastic, film),
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Throughput approx. 0.5-2 t/h depending on material type
Drive power 30 kw
Listing
Waregem
7,251 km
Centrifugal Air compressor with dryer
Ingersol RandCentac C60Mx2 Centrifugal
Call
Condition: used, Year of construction: 1987, Compressor
Make : Ingersol Rand
Type : Centac C60Mx2 Centrifugal
Original YOC : 1987
Our supplier bought the mc in 1997, fully reconditioned from Ingersol Rand in Belgium , only used
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for 2 years in 1 shift, thereafter serviced & stored . User was Picanol demo project in Belgium.
See below pictures to see condition & completeness of the unit.
Air dryer Hiross MDA65 is included in the package.
Intake Pressure : 98 kPa
Intake Temperature : 15 °C
Relative Humidity : 60%
Delivered Capacity : 61 m3/min
Discharge Pressure : 800 kPa
Cooling water temp : 15 °C
Cooling water flow : 450 l/min
Rated speed : 2970 n/min
Motor rating : 430 kW
Listing
Białystok
5,935 km
Maguire LPD / VB-150 plastic dryers
MaguirePD1HE4 / LPD2HE4 / VB-150 / VBD-150
Call
Condition: excellent (used), functionality: fully functional, Used Maguire plastic drying units are for sale. This listing includes a total of 13 units, with the option to purchase individual units or a larger package. Available are Low Pressure Dryer and Vacuum Batch Dryer / vertical dryer models. Condition as shown in the photos. Price depends on the selected unit and quantity.
These dryers are designed for drying plastic granules. The units are used, and their technical and visual condition corresponds to the photos. Additional photos of a specific dryer can be provided upon request.
Available units:
No. Designation Type / model as shown in the photos
1 D067 Maguire Low Pressure Dryer, model LPD2HE4
2 D049 Maguire Low Pressure Dryer, model LPD1HE4
3 D084 Maguire Low Pressure Dryer
4 D099 Maguire Low Pressure Dryer, model LPD1HE4
5 D054 Maguire Low Pressure Dryer, model LPD1HE4
6 D051 Maguire Low Pressure Dryer, model LPD1HE4
7 D065 Maguire Low Pressure Dryer, model LPD1HE4
8 D071 Maguire Low Pressure Dryer, model LPD1HE4
9 D068 Maguire Low Pressure Dryer, model LPD2HE4
10 D076 Maguire Vacuum Batch Dryer, model VBD-150
11 D081 Maguire Vacuum Batch Dryer, model VB-150
12 D089 Maguire Vacuum Batch Dryer, model VB-150
13 D091 Maguire Vacuum Batch Dryer, model VB-150
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Listing
İkitelli OSB
5,222 km
Sheet metal deburring machine
ZEGAZDV50 Centrifugal Dryer
Condition: new, Year of construction: 2025, functionality: fully functional, sheet thickness (max.): 5 mm, total length: 950 mm, total width: 850 mm, total height: 1,175 mm, overall weight: 80 kg, input voltage: 380 V, warranty duration: 24 months, nominal power: 1.1 kW (1.50 HP), power: 1.1 kW (1.50 HP), Equipment: documentation/manual, CENTRIFUGAL DRYER MACHINE
METAL CENTRIFUGAL DRYER
Technical Specifications:
Dryer Body
Material: 5 mm iron thickness, painted with acid-resistant paint.
Diameter: 58 cm Height: 80 cm
Drying Basket
Material: 1.5 mm stainless steel thickness, electropolished.
Diameter: 44 cm Height: 32 cm
Basket Volume: 50 liters
Speed: 3000 rpm
Centrifugal Motor:
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Power: 1.1 kW 3000 rpm
Drying Fan
Material: Aluminum Cast
Motor Power: 0.25 kW
Speed: 3000 rpm
Heater Power: 2 kW heating tube
External Dimensions:
L: 850 mm W: 850 mm H: 1175 mm
Listing
Rīga
6,003 km
Squeeze Dryer for washed plastic film
GENIUS Machinery CoDW300
Call
Condition: new, functionality: fully functional, power: 90 kW (122.37 HP), Year of construction: 2026, Plastic squeeze dryers are a vital part of plastic film washing lines.
Washed films retain up to 30% moisture normally after exiting the wash process. High humidity will be affecting the efficiency and production of the following extrusion pelletizing process. Having a plastic squeeze dryer is a must to dehydrate the washed film, increase the density of recycled film and fibre materials, increase the capcity of the following extrusion process and further refine the quality of final plastic pellets.
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Even the water-washed plastic film processed through a spin-dryer still contains over 10% moisture which would significantly reduce the productivity of the extruder and quality of pellets. The latest development for drying and recycling washed film are plastic film squeeze dryers which could reduce moisture to the minimum and the squeezed material only contains maximum 3%, and more usually 1%, residual moisture. Much cheaper to operate than hot air drying , and better result as the output materials are continuously agglomerated direct from washing lines with +40% fluids to dense free flowing agglomerate. In this form it is not necessary to have cutter compactor extruders, as the materials are so dry and dense they can be fed direct to extruders for pellet production.With over 30 years of producing recycling dryers and extruders GENIUS have sold more than 600 of these driers to the plastics recycling market. ..There are 4 models in the range with production between 250 kgs per hour up to 1200 kgs per hour.
Listing
Sigulda
5,969 km
Centrifuge spin dryer
Alistar EuropeVSD500
Call
Year of construction: 2026, condition: new, functionality: fully functional, SPIN DRYER VSD500
An advanced vegetable and lettuce spin dryer with an ergonomic design and counter
rotating centrifuge cycle. This machine efficiently dries lettuce, vegetables, fruits, and
more, preserving quality and extending shelf life. The VSD500 features an open design
for easy cleaning, with no screw-related crevices to trap dirt, and a convenient rear lid
locking mechanism. Its centrifuge cycle alternates rotation midway to enhance
product loosening and ensures efficient water drainage through a pin-type pick-up
system that adjusts the basket's speed. Upgrade your kitchen with the VSD500 for
unmatched efficiency and excellence in food drying.
KEY BENEFITS
Efficient Drying Performance: The VSD500 spin dryer features an
ergonomic design and counter-rotating centrifuge cycle, ensuring
efficient drying of lettuce, vegetables, fruits, and more.
Quality Preservation: This advanced spin dryer preserves the
quality of produce, extending shelf life and maintaining freshness.
Easy Cleaning: The open design of the centrifuge area allows for
effortless access, making cleaning and maintenance tasks swift
and simple.
Hygienic Design: The absence of screw-related crevices in the
spinning area eliminates dirt traps, ensuring a more hygienic
operation.
Convenient Lid-Locking Mechanism: The lid-locking mechanism
is conveniently located at the rear of the machine housing,
enhancing ease of use.
Improved Water Drainage and Rotation: The centrifuge cycle
alternates rotation halfway to improve product loosening, and the
The pin-type pick-up of the rotating basket adjusts speed efficiently
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while ensuring effective water drainage.
Listing
Borken
7,016 km
Granule dryer Plastic dryer
ColortronicDry-Flex M400
Call
Year of construction: 2012, condition: good (used), Colortronic Dry-Flex M400 Granule Dryer
For sale is a used Dry-Flex M400 granule dryer from Colortronic.
Technical details (according to the nameplate):
Manufacturer: Colortronic, Friedrichsdorf (Germany)
Model: Dry-Flex M400
Year of manufacture: 11/2012
Control panel: 6AV6642-0BA01-1AX1
Operating voltage: 400 V / 50 Hz
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Heating power: 33 kW
Drive power: 5.5 kW
Operating pressure: max. 6 bar
Design: Granule dryer / plastic dryer
Area of application: Plastics processing, injection molding, extrusion
Condition: Used, functional
Financing through our bank is also possible.
komplett-konzept.leasingo.de
Buy Colortronic Dry-Flex M400 granule dryers and other items at a great price – Here you can buy products from professionals for professionals – You'll find other attractive offers in our SHOP.
Listing
Zaventem
7,177 km
Textile printing machine
Durst Aleph textileLa Forte 340 including a dryer
Call
Condition: like new (used), Year of construction: 2022, functionality: fully functional, total width: 6,370 mm, total length: 2,150 mm, total height: 2,300 mm, overall weight: 4,800 kg, 340cm sticky belt printer equipped with 8 NEW Kyocera print heads, printer condition like new. In operational status
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Listing
Agios Athanasios
5,600 km
TOOL FOR ROAD BARRIERS
TOOL FOR ROAD BARRIERSLENGHT 6000mm
Call
Condition: like new (used), TOOL FOR ROAD BARRIERS
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LENGHT 6000mm
Listing
أول العاشر من رمضان
4,835 km
Weaving machine
Machines for weaving, embroidery, and yaWeaving machine Picanol , saurar embroid
Condition: like new (used), Year of construction: 2008, functionality: fully functional, Complete factory equipment for sale: weaving, embroidery, dyeing, finishing, and processing. Many more machines are available.
Textile Department
* Jacquard Weaving: 11 × Picanol looms, Model 2004, XC 870 (Belgian)
* Air-Jet Jacquard Weaving: 8 × Picanol looms, Model 2004 XL
* Air-Jet Jacquard Weaving: 6 × Picanol looms, Model 2004, 5400 Jacquard Bonas, Jumbo
* Complete set of air compressors, dryers, and air tanks required for operating the weaving machines.
* Dobby Weaving: 4 × Picanol Omni looms, Model 1999
* Air-Jet Dobby Weaving: 8 × 2004 looms, 2.5 m working width, suitable for producing linen, gabardine, and dress fabrics (Picanol Omni Plus)
* Rapier Weaving Machines (Chinese): Model 2014 – 4 units
* Modern Warping Machine: 720 / 11 cones – 1 unit
* Karl Mayer Weaving Machines: Model 2021 – 4 units
* Karl Mayer Weaving Machines: Model 2017 – 2 units
* Sizing Machine: 3 units
⸻
Embroidery Department
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* Saurer Epoca Embroidery Machines: 4 machines, equipped with 5 special attachments
* Spooling/Winding Machines: Belinda – 9 units
* Spooling/Winding Machines: Barmag – 1 unit, Kaltema – 2 units
* Complete set of air compressors, dryers, and air tanks required for operation.
* Mouline Thread Production Line with all accessories (embroidery threads).
⸻
Finishing Department
* Rams: 1 × Brückner, 6-chamber, with Mahlo, Model 2002
* Stenters: 3 Turkish Damson machines
* Fabric Inspection Machine: 1 unit
* Sewing Machines: 30 units
* Fabric Pressing and Packaging Machine
⸻
General Factory Utilities
* Industrial Chillers: 2 units
* Steam Boiler: 6 tons, Riello burner, 2018
* Steam Boiler: 0.5 ton
* Fabric Dyeing Jet Machine: 50 kg
* Yarn Dyeing Machine (Hank): 600 kg
* Yarn Dyeing Machine: 2 × 300 kg, complete with winding and unwinding system
* Hydro Extractor: 1 for yarn + 1 for fabrics + 1 for hanks
Listing
Trittau
6,782 km
Window production line
Production Line for Radiators
Call
Condition: used, Type Production Line
Radiator production line
Further information can be found in the attached PDF document.
Accessories, tools, and clamping devices shown are included in the scope of
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delivery
only if specified in the additional information.
Subject to change, errors in technical data and specifications,
and prior sale.
Listing
Langenfeld (Rheinland)
7,003 km
Paper cutting machine
Summa 1400 FME-p for films,stickers, labels, and digital printing
Call
Condition: used, functionality: fully functional, With this offer, you are purchasing a used “Summa 1400 FME-p” production system
Item for sale:
1 x Summa 1400 FME-p
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Condition:
This listing is for a used device, which may show signs of wear
(minor scratches or discoloration).
The device has been tested for functionality.
A test print can be seen in the photo.
Packaging and Shipping:
You are welcome to view the device during our business hours. Please schedule an appointment!
Sea-worthy packaging and worldwide shipping are available upon request!
Before shipping or pickup, we’ll record a video of a functional test for you.
For more information, you’re welcome to contact us directly.
Listing
Zheng Zhou Shi
3,684 km
Ball mill for powder and mining plant
Mingyuan Ball Mill For Fine PowderPowder grinding mill for coal, silica
Call
Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details
A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing.
Working Principle
The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application.
Structural Composition
A standard ball mill consists of several main components:
Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input.
Discharging part: Can be grate type or overflow type, depending on the discharge method.
Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners.
Transmission system: Includes motor, reducer, small transmission gear, and electrical control.
Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding.
The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption.
Technical Details
Typical Specifications:
Feeding size: ≤25 mm
Discharge size: 0.074–0.4 mm
Capacity: 0.65–615 t/h (depending on model and material hardness)
Cylinder speed: 18–38 r/min
Power: 18.5–4500 kW
Liner material: High manganese steel, rubber, or alloy steel
Grinding media load: 30–45% of cylinder volume
Operating Modes:
Dry grinding: Suitable for materials that must remain moisture-free, such as cement clinker, limestone, and quartz.
Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity.
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Application in Mining Plants
In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use.
Common Applications:
Gold, copper, iron, and zinc ore grinding
Cement clinker and slag processing
Silicate and ceramic powder production
Coal and mineral powder preparation
Conclusion
A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.
Listing
Zheng Zhou Shi
3,684 km
Filtration system / mining separator
Ore beneficiation plant for gold copperOre dressing plant for zinc lead nickel
Call
Condition: new, Year of construction: 2026, functionality: fully functional, power: 400 kW (543.85 HP), Ore Beneficiation Plant for Nickel, Copper, Zinc, Graphite, Gold, Silver, Chrome, Quartz/Silica
In today’s competitive mining and metallurgical industry, maximizing ore value is critical. Our state-of-the-art Ore Beneficiation Plant offers a complete solution designed to increase the content and quality of raw ore, transforming it into a marketable product ready for further processing or direct sale. Engineered for a wide range of minerals—including nickel, copper, zinc, graphite, gold, silver, chrome, and quartz/silica—our ore beneficiation plant delivers exceptional performance, efficiency, and reliability.
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Introduction
Mining operations around the world face the challenge of processing ores that are often low in grade and require extensive refinement to be economically viable. Beneficiation—the process of increasing the concentration of valuable minerals—plays a vital role in reducing operational costs, enhancing recovery, and ultimately, ensuring profitability. Our ore beneficiation plant, also known as an ore processing plant or mine dressing plant, integrates advanced technology and robust engineering to deliver an efficient crushing, grinding, classifying, and separation process.
Designed to handle a wide variety of ores, our plant is the ideal solution for mining companies looking to optimize their extraction and processing operations. Whether you’re processing nickel, copper, zinc, graphite, gold, silver, chrome, or quartz/silica, our plant provides the versatility and performance needed to meet today’s rigorous industrial standards.
## What Is an Ore Beneficiation Plant?
An ore beneficiation plant is a facility where raw ore is processed to improve its quality and increase the concentration of valuable minerals. The plant typically includes several stages of processing:
1. Crushing: The raw ore is reduced in size to allow for more efficient downstream processing.
2. Grinding: Further size reduction to liberate the valuable minerals from the waste material.
3. Classifying: Separation of the ore into different size fractions using screening and hydrocyclones.
4. Separation: Employing various physical processes such as magnetic separation, flotation, or gravity separation to concentrate the valuable minerals.
5. Dewatering: Removal of excess water to prepare the concentrate for further processing or shipping.
This integrated process not only boosts the metal content but also minimizes waste, thereby improving overall cost efficiency and environmental sustainability.
Listing
Zheng Zhou Shi
3,684 km
Powder grinding mill
ball mill for mining &fine powder makingsilica/Barite/limestone powder plant
Call
Condition: new, Year of construction: 2026, power: 300 kW (407.89 HP), Ball Mill for Mining & Fine Powder Making:
A ball mill is a fundamental grinding device widely used in mining, metallurgy, cement, and chemical industries. It is designed to grind ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, while in powder-making industries, they ensure uniform particle size and high surface area for further processing.
Working Principle
The ball mill operates on the principle of impact and friction. As the cylindrical shell rotates around its horizontal axis, the grinding media—usually steel or ceramic balls—are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion breaks down the material into fine particles. The process can be carried out in dry or wet conditions depending on the application.
Structural Composition
A standard ball mill consists of several main components:
Feeding part: Ensures uniform material input through a feeder or screw conveyor.
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Discharging part: Can be grate type or overflow type, depending on the discharge method.
Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners.
Transmission system: Includes motor, reducer, small transmission gear, and electrical control.
Grinding media: Steel or ceramic balls of various diameters for efficient grinding.
The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption.
Technical Details/Typical Specifications:
Feeding size: ≤25 mm
Discharge size: 0.074–0.4 mm
Capacity: 0.65–615 t/h (depending on model and material hardness)
Cylinder speed: 18–38 r/min
Power: 18.5–4500 kW
Liner material: High manganese steel, rubber, or alloy steel
Grinding media load: 30–45% of cylinder volume
Operating Modes:
Dry grinding: Used for materials that must remain moisture-free, such as cement clinker, limestone, and quartz.
Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity.
Application in Mining and Powder Production
In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use.
In fine powder production, ball mills are used to produce materials such as silicate, ceramic powder, refractory materials, and chemical raw materials. The uniform particle size achieved by ball milling enhances product quality and performance in downstream applications.
Conclusion
A ball mill is an indispensable piece of equipment for both mining and fine powder making. Its ability to grind materials into fine, uniform particles makes it vital for ore beneficiation and industrial powder production. With flexible configurations, high efficiency, and reliable operation, modern ball mills provide a cost-effective and energy-efficient solution for large-scale grinding, ensuring consistent quality and productivity across diverse applications.
Listing
Zheng Zhou Shi
3,684 km
Shredder for wood, plastic recycling
Double-Shaft Shredder For Recyclingwaste tire, wood,root,metal
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Condition: new, functionality: fully functional, Year of construction: 2026, Product overviews of Waste Industrial Timber Wood Pallet Double Shaft Shredder
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Shredders can generally be used to shred hard-to-break plastics, rubber, large tires, large nylon materials, large pieces of fishing nets, fibers, paper, wood, electrical devices, cables, PET bottles, cardboard, wood, plastic barrels, etc. Solid objects.
The main function of the equipment is to squeeze the bulk materials and large-diameter drum metal materials that are not convenient for transportation through the shear of the shredder, and shred them into sheets that meet the requirements.
The main structure of the double-shaft shredder is a feed hopper, a knife roller, a driving device, a bearing, a hydraulic system, and an electric control box system.
Working principle: All kinds of waste materials enter the shredding chamber through the feeding hopper. The double-knife rollers do relative rotation to shred and cut the materials, and then the materials are discharged from the shredder to achieve the shredding of large pieces of materials.
Applicable materials and fields
Double shaft shredder is one of ethential equipment for waste recycling in following fields and materials:
+Bulky Waste: Sofa,Mattress,Chair, Funiture,Windows,etc
+Industrial Waste: Textiles,Leather,Rubbers, Leathers ,General industrial waste,etc
+Hazardous Solid waste: Medical waste,Paint sludge,Radioactive waste,Hazardous waste oil drum,Jumbo bag,etc
+Paper waste: Carton,Cardboard,Book,Newspaper,Document,Brochure,Packaging paper,etc
+Garden waste: Branch, Wood pallet, Trunks, Boards,etc
+Domestic waste +Biomass straw: Straw, Bamboo, Corn, Sorghum straw, Bean straw, Fruit shell, Palm shell, etc
+Scrap metal: Car Shell, Aluminum casting, Household appliances, Scrap light metal,Automobile hub,etc
+Paper mill waste: Paper mill slag, Paper mill rope, Paper mill offcut,etc
+Wood pallet, scrap furniture, waste chair, tree roots recycling, etc.
Double shaft shredder main body:
The main body is welded with excellent steel plate to ensure the stability of the equipment under heavy load for a long time.
Bearing:
The bearing seat is split and easy to disassemble, and the movable knife, fixed knife, bearing and other parts can be quickly removed, and it is easy to maintain and replace the knife. The sealing structure can avoid the contact of broken materials and grease, and can also protect bearings and gears when handling liquid materials.
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