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The Retsch high-speed Planetary Ball Mill PM 100 pulverizes and mixes soft, medium-hard and even extremely hard, brittle and fibrous materials. The PM 100 is a single-station unit suitable for jars from 12 ml to 500 ml. Both wet and dry grinding is possible. The Planetary Ball Mill can be used successfully in almost every field of industry and research, particularly where the requirements for purity, speed, reproducibility and fineness are very high.
The Planetary Ball Mill produce extremely high centrifugal forces with very high pulverization energies which results in short grinding times.
Product Advantages:
extreme speeds for particularly high final fineness
up to 50% higher energy input
grinding jar volumes from 12 ml to 500 ml
suitable for long-term trials and continuous use
safe and stable operation
reproducible results due to energy and speed control
10 combinations of grinding parameters can be stored
graphics display and ergonomic 1-button operation
automatic grinding chamber ventilation for grinding with solvents
2-year warranty, CE-conforming
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The planetary ball mill PM 400 pulverizes and mixes soft, medium-hard to extremely hard, brittle and fibrous materials. Dry and wet grinding can be carried out. The high speed of 30 to 400 min-1 in combination with the very large sun wheel diameter of 300 mm guarantee extremely high fineness in a short time. With its powerful, maintenance-free drive the PM 400 is particularly suitable for long-term trials or – in the special version PM 400 MA-type – for mechanical alloying.
Product Advantages:
- extreme speeds for particularly high fineness down to submicron range
- 4 grinding stations for grinding 2, 4 or 8 samples simultaneously
- grinding jars with volumes from 12 ml to 500 ml, in 6 materials
- suitable for long-term trials and continuous use
- reproducible results due to energy and speed control
- direction reversal
- programmable starting time
- power failure backup ensures storage of remaining grinding time
- 1-button operation with graphic display
- 10 combinations of grinding parameters can be stored
- measurement of input energy helps to optimize grinding parameters
- automatic grinding chamber ventilation for cooling the grinding jars
- 2-year warranty, CE-conforming
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The Alpine AHM is a universal, agitated ball mill with a horizontal cylindrical milling chamber for the continuous wet milling of particles up to finenesses in the sub-micron range. The AHM features a cylindrical milling chamber with cooling jacket and a modular design for product inlet, milling cylinder, and separation zone. The mill is easily accessible from all sides for cleaning and handling. Typical applications are chemicals, minerals, ceramics, metals, pigments, foodstuffs, and pharmaceuticals.
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Ball mills are used primary for single stage fine grinding, regrinding, and as the second stage in two stage grinding circuits
Grinding of materials in a tumbling mill with the presence of metallic balls or other media dates back to the late 1800's. Since that time, Metso
Minerals and its predecessor companies, MPSI, Sala, Marcy, Hardinge, Kennedy Van Saun (KVS), Denver Equipment, Allis Chalmers, Boliden
Allis, and Dominion Engineering, have designed and manufactured more than 8,000 grinding mills.
Metso overflow ball mill sizes range from 5 ft. x 8 ft. with 75 HP to 26 ft. x 41 ft. with 20,000 HP.
Normal feed size to a Metso Minerals ball mill is 80% passing 1/4" (6mm or finer) for hard ores and 80% passing 1" (25mm or finer) for soft ores.
Product size is typically 35 mesh or finer.
Operation
Ball mills operate either in open or closed circuit. Open circuit operation is best utilized when:
Another stage of grinding follows the mill
Reduction ratio is small
Feed material is already fine and one pass through the mill produces the desired results
Product size control is not critical and oversize material can be tolerated in the product
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General Purpose - HM Series Supermill - Designed primarily for discrete pass operation with medium to large grinding media size. This series is available in chamber sizes from 0.75 to 200 liters, with a capacity range from about 1.0 GPH to 900 GPH on average. The most economical mill selection offered by Premier, but has a limited range of applications related to the size of the grinding media required for processing. The HM Series can operate well over a wide viscosity range, and is generally used in 1 or 2 pass grinding applications with media size of 0.8mm or larger. There are various options to the HM including stationary front screen, and various materials of construction including plastics, ceramics and composites to suit particular applications. Standard type milling discs, or patented AP type high energy milling discs can be used to optimize mill performance. The basic HM design with Internal Rotating Screen has proven to be a "WORKHORSE" in general purpose media milling applications for over a quarter century
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Ball mills are the most effective laboratory mills for batch-wise, rapid comminution of medium-hard to very hard samples down to the finest particle sizes. The grinding can take place dry or wet. Grinding sets of many different materials are available. The mills can also be used for mixing and homogenisation.
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As extension of the existing classic line Planetary Mills, FRITSCH offers a completely new dimension of high-tech milling with the new FRITSCH premium line: The grinding bowls sunk into the disk enable for the first time to achieve revolutionary rotation speeds of up to 1100 rpm at acceleration 95 times that of gravity. The result: significantly shorter grinding times and the finest possible grinding results down to the nano range.
FASTER, SIMPLER AND SAFER THAN EVER.
- Revolutionary rotational speeds of up to 1100 rpm
- Ultrafine grinding results down into the nano range
- Finer grinding results in shorter time
- Sensational centrifugal accelerations of up to 95 times the force of gravity
- 150% greater energy application than conventional Planetary Mills
- For the first time, the bowl and lid form a single unit – no additional tensioning, no incorrect operation!
- Extremely easy grinding bowl change in a second with just two motions
- Grinding bowls position themselves and snap securely into place
- The bowl mountings rotate automatically into a convenient position for handling
- Automatic check of the locks in the mill
- Blockage in the event of impermissible operating states
- Automatic parameter check performed before every grinding, guarantees exact reproducibility
- Via USB, Bluetooth and Ethernet all data can be easily exported to save time
FRITSCH Planetary Mills premium line are ideally suited for loss-free grinding down to a fineness as small as 100 nm. The grinding can be performed dry, in suspension or in an inert gas as well as for mixing and homogenising emulsions and pastes or for mechanical activation and alloying.
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Planetary ball mills are characterised by very fast and effective comminution. They have a wide range of applications. Ideal for lossless comminution down to extremely high levels of fineness < 0.1 µm. The grinding can take place dry, in suspension or under inert gas, depending on the application. They are also well suited for mixing and homogenising emulsions and pastes or for mechanical alloying in materials research.
As extension of the existing classic line Planetary Mills, FRITSCH offers a completely new dimension of high-tech milling with the new FRITSCH premium line: The grinding bowls sunk into the disk enable for the first time to achieve revolutionary rotation speeds of up to 1100 rpm at acceleration 95 times that of gravity. The result: significantly shorter grinding times and the finest possible grinding results down to the nano range.
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The Premier Submersible Basket Type Media Mill is an exceptionally versatile dispersion system specifically engineered to allow batch and tank size flexibility.
• Independently controlled mixers and milling shaft provide:
-Uniform particle size.
-Consistent temperature control.
-Better flow control.
-Minimal operator interface.
• Capable of particle size reduction in a range of slurry applications.
• Easy clean-up.
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Mineral Processing
FGD - plant
Czechia
2x ball mill SBc280x625
wet process
discharge type: over flow
installed capacity 630 kW
mean size F80 7000 µ
mean size P80 22 µ
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Available in Open Circuit And Close Circuit
Application : cement, bauxite, lime stone, Ore material or any type of minerals
Product Size : 200 mesh
Capacity : 1 - 10 ton per hour
Sub-drive by Heavy duty Pulley drive or Helical Gear Box drive
Sub-divided in to Liner Plates in Cast Steel, Mn. Steel, Cast iron or High Carbon Steel.
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The mills of series 2000 have a modular design. Within the construction size the machines are convertible to the inline dispersing machines of series 2000.
Constant speed parameters and generator geometries allow an exact scale-up.
All machines are CIP- resp. SIP-suitable.
Design, materials and surfaces correspond to the recommendations of FDA resp. EHEDG.
There are different grinding tools available.
The drives can be adapted to the respective conditions like flow rate, power requirement, protection type or ex-protection.
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The DYNO®-MILL KD is an agitator bead mill with horizontal grinding container. Specially designed agitator discs, mounted symmetrically on a shaft, transfer the energy required for dispersion and wet grinding to the spherical grinding beads. An external pump feeds the product into the mill. Separation systems are available in the form of static sieve with different apertures or as a dynamic gap separator with adjustable gap width.
Advantages:
- Completely enclosed system
- Highest efficiency
- Easy operation and adjustment of the operation parameters
- Optimal geometry of the grinding container and agitator discs
- The appropriate mill size for every application
- Different materials available for wear parts in contact with the product
- Low operation and maintenance costs
Applications:
- Varnish and Paint
- Printing inks
- Dyestuffs- and Pigment Dispersions
- Thermal and fax paper coating
- Fillers and Coatings
- Microbiology and Biochemistry
- Agrochemicals
- Microelectronics
- Ceramics
- Pharmaceutical and Cosmetics
- Food and Cocoa mass
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The new RETSCH Ultra-Centrifugal Mill ZM 200 is used for the rapid reduction in size of soft to mediumhard and fibrous materials. As a result of the effective pulverization technique and the wide range of accessories the ZM 200 ensures the gentle preparation of analytical samples in a very short time.
Product Advantages:
versatile in use due to wide range of accessories
high final fineness
wide speed range, adjustable from 6 000 to 18 000 min-1
considerably increased throughput due to optimally matched frequency converter and 3-phase motor
gentle and very rapid size reduction by 2-step rotor/screen system
quiet and reliable, easy to clean
comfortable parameter setting via display and ergonomic 1-button operation
comfortable safety housing with automatic cover closure
motor compartment and electronics protected against dust and material penetration
2-year warranty, safe design to CE standard
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Retsch Cross Beater mills are suitable for batchwise and continuous coarse and fine grinding. Medium-hard and brittle materials with a hardness of up to 6 Mohs can be milled. Retsch Cross Beater Mills are highly versatile: from preparing samples in the laboratory and industrial plants, through pilot installations in technical colleges to making batches in the production.
Product Advantages:
high throughput
high final fineness
versatile in use
easily changeable bottom sieves
wide range of accessories
maintenance-free direct drive
safe design to CE standard
2-year warranty
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Retsch SM 2000 cutting mills are especially high performance and user-friendly machines for crushing tough, medium-hard, soft, elastic, brittle and fibrous materials. Running slowly or quickly with different rotors and hoppers, they crush a wide range of materials, eg:: waste samples, plastic parts, biological substances, food and animal feed and beverage cans. The SM 2000 mills are therefore ideal for research, testing and operational laboratories, for technical training facilities or for creating samples in production.
Further model: SM 100.
Product Advantages:
powerful size reduction, even of heterogeneous mixtures
defined final fineness
low heat build-up
wide range of accessories for universal use
central locking device
fold-back housing
easy cleaning
robust, safe design
2-year warranty, CE-conforming
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In foodstuff laboratories, in chemical or biological research institutions - suitable analysis material is required everywhere for precise examination of foodstuffs. With the GRINDOMIX Knife Mill, Retsch now produces a grinding and homogenising machine that fulfills professional laboratory and analysis requirements. It processes foodstuffs with high water, oil or fat contents just as rapidly and reliably as dry, soft or medium-hard products. For the first time, Retsch provides a professional alternative to standard household mixers.
With the special cutting knife system and the variable grinding chamber of the Grindomix, the materials can be processed into an homogeneous analysis sample, quick and easy. Two straight knives at different heights, arranged at right angles to the direction of rotation, turn at a speed between 2,000 and 10,000 rpm in the centre of the mill vessel.
Product Advantages:
powerful speed-controlled 750 W industrial motor
speed pre-selectable, range 2000 - 10000 min-1
digital display of grinding time and speed
interval operation possible
three memory keys
gravity lid for automatic grinding chamber volume adaption
comprehensive range of accessories
sample vessel easy to clean and exchange
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Retsch mixer mills MM 400 are particularly suited for dry and wet grinding of small quantities of material. The mills are ideal for mixing and homogenizing powders and suspensions. They are excellently suitable for disrupting biological cells as well as for the isolation of DNA and RNA. The instruments are used in the field agronomy, biology, biotechnology, chemistry, ceramics, glass, medicine, pharmaceuticals, criminology, environment, mineralogy, metallurgy.
Further model: MM 200.
Product Advantages:
quick, efficient pulverization and homogenization
higher sample throughput due to short grinding times and two grinding stations
reproducible results by digital preselection of grinding time and vibrational frequency
large range of grinding jars
safe wet grinding without loss of material with screw-top grinding jars
simple and comfortable operation
memory keys for three parameter combinations
set parameters can be locked against accidental alteration
2-year warranty, CE-conforming
mixes or homogenizees two samples from 0.2 to 20 ml at the same time
processes up to 20 samples simultaneously
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The SR 300 is the leader among the Rotor Beater Mills. Its high speed in comparison to the SR 200 allows a significantly higher throughput. The ground sample also has a larger fraction of fine material. Grinding chamber, feed hopper and material inlet and outlet are completely made from highquality stainless steel.
Product Advantages:
high throughput
high final fineness
versatile in use
easy cleaning
exchangeable grinding and sieve inserts
quick-action door lock and motor brake
safe design to CE standard
2-year warranty
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The Vibratory Disc Mill RS 200 is suitable for the extremely quick, loss-free and reproducible grinding of medium-hard, hard, brittle and fibrous materials to analytical fineness.
Grinding sets made from hardened chrome steel, tungsten carbide, agate and zirconium oxide permit a wide range of applications. The RS 200 is primarily used for sample preparation for spectral analysis.
Product Advantages:
- powerful Stabilized-Plane-Drive
- excellent reproducibility
- analytical fineness in seconds
- 1-button operation with graphics display
- 10 parameter combinations can be stored
- grinding tools in 5 different materials
- quick-action grinding set clamping device
- agate recognition for automatic speed reduction
- sealed, noise-insulated grinding chamber
- maintenance-free, CE-conforming design
- 2 year warranty
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Sweco® Vibro-Energy® Grinding Mills are the most versatile line of mills available today for fast, low-cost particle size reduction to sub-micron range. Vibro-Energy grinding action achieves higher output per input horsepower; precise control of size and distribution. Product contamination from media and lining wear is virtually eliminated. Maintenance costs are low because of few moving parts and replaceable linings made of abrasion-resistant metal, ceramic or elastomers.
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Hosokawa Micron Powder Systems offers a broad range of size reduction mills to handle all fine grinding industrial mineral applications. The selection includes conventional ball mill /classifier systems with new high-tech features that extend the fineness range to below D97 at 5 microns. For softer mineral fillers such as PCC, talc and fine kaolin we offer both the renowned Mikro-ACM and Mikro-LGM air classifier mills.
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Due to their high grinding energy, the Variable Speed Rotor Mill PULVERISETTE 14 is the best choice for grinding of soft to medium-hard, tough, brittle materials - including plastics and for sample preparation according to RoHS and WEEE (e.g. for detection of hexavalent chromium).
The material is comminuted through impact and friction forces. The final fineness of the samples depends on the selected sieve insert.
To avoid undesired abrasion, the FRITSCH Variable Speed Rotor Mill PULVERISETTE 14 can be equipped with rotors made of stainless steel, titanium or with titanium nitride or tungsten carbide coatings.
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From lab/pilot to production requirements, Hosokawa Micron Powder Systems offers a complete line of scaleable size reduction technology for the chemical process industries.
Whether you call it size reduction, milling, pulverizing, jet milling, air milling, or simply grinding, we can help. Our broad application expertise allows us to help you select the technology that works best for your application. We are flexible enough to design and supply a complete system for the most unique applications yet our standard offerings are economical and acceptable for most chemical grinding applications.
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Cutting mills are particularly well suited for comminution of soft to medium-hard, fibrous or tough materials (including plastics). They are frequently also used in the preparation of heterogeneous substance mixtures and for sample preparation for RoHS and WEEE analysis. In this type of mill, samples are comminuted through cutting and shearing. The fineness is determined by a sieve insert.
Various knife geometries and replaceable blades ensure maximum flexibility and durability. Grinding parts of various steel types as well as of hardmetal tungsten carbide can be used for controlling the abrasion problems.
All grinding parts can be removed for cleaning in just a few seconds without tools – unbeatable fast, simple and efficient!
YOUR ADVANTAGES WITH FRITSCH CUTTING MILLS
- Especially simple operation for fast work
- Unmatched ease of cleaning thanks to patented quick opening facility
- Optimum airflow for particularly fast grinding and secure protection against clogging
- More stable running and low wear due to the patented double cone bearing of the rotor
- Exceptionally long service life through use of replaceable and fixed knives
- Unique grinding chamber geometry: minimal dead space and progressive cutting geometry between the rotor and the fixed knives – for faster and simpler operation
- Grinding parts with different cutting geometries and materials - perfectly adjustable to your application
By the way:
FRITSCH Cutting Mills are available in different configurations – for each application the perfect Mill!
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The RETSCH Disc Mill DM 200 is used for batchwise or continuous preliminary and fine comminution of medium-hard to hard-brittle solids (up to 8 Mohs). Thanks to its robust design, it can be used under rough conditions in laboratories and pilot plants, as well as online for the quality control of raw materials.
Product Advantages
- accurate gap setting for reproducible grinding results
- short grinding times, high final fineness
- observation window for checking the gap width
- good grinding chamber accessibility
- contamination-free grinding with grinding discs made from 4 different materials
- grinding discs with long working life
- simple operation
- dust-free grinding and easy cleaning
- maintenance-free 3-phase geared motor
- approved safety (TÜV, CE)
- 2 year warranty
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The FRITSCH Disk Mill is most suited for size reduction
within the medium particle size range. Comminution takes
place through pressure and shearing force.
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Beater mills are suitable for medium-hard, brittle or less temperature-sensitive samples (including plastics) due to the high grinding energy. The material is comminuted through impact and collision forces. For control of the wearing and abrasion, rotors of titanium or with a titanium nitride coating can also be used in place of hardened steel. Similar to the cutting mill, the fineness is determined by a sieve
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