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Laboratory roll mills are machines for testing the quality and processing characteristics of polymer material by means of discontinuous plastification, mixing or kneading. In both, plastics and rubber processing as well as processing of ceramics or special materials, roll mills by Dr. Collin are setting new standards in terms of precision and reliability.
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As a reaction to the increasing, worldwide requirements of the good manufacturing practice (GMP), NARA improves its pharmaceutical mill, SCM (Super Clean Mill) continually. It is based on the principle of a conventional pin mill (impact type pulverizer), which suits the requirements of GMP in the pharmaceutical and the foodstuffs industry.
The next generation mill, NARAs New SCM, is characterised by disk-structured components, which are positioned on bars. By the release of handwheels only, the complete assembly can be dismantled easily and by one person. The low heat increase during milling as well as the easy adjustment of the particle size by screen insets, the simple structure for fast and easy cleaning and maintenance are some of the specific features of this machine. The mill is equipped with various constructional elements, to prevent contamination e.g. the execution of the air-purged shaft sealing, the direct drive and the spatial separation from milling area and drive unit.
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In the Rotor Impact Mill RPMV an intensive impact and shear effect is achieved between the horseshoe-shaped impellers and the anvil ring. The variable rotor speed and an adjustable annular gap allow an optimal setting according to the specific needs.
Within the Rotor Impact Mill RPMV all composite materials are highly disintegrated and in addition a selective size reduction takes place:
brittle-hard materials are greatly reduced in size
metals are shaped to small balls
elastic materials are torn into smaller pieces
The result is a material mix containing ball shaped metal particles that can be subsequently sorted out easily.
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Deli Attritor, a patented product developed by our factory, is a mechanical impact four mill with high speed. By using the shock towards highly rotary plate to raw materials, the grinder can cause crash between materials, materials and stationary high-abrasive plate. By this way, the materials can be grinded ultra fine.
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Mineral Processing
Building material plant
Russia
1x roller mill WM1012
rotor diameter 1000 mm
rotor width 1200 mm
input 5-20 mm, 5-40 mm
output <8 mm
limestone
clay 60 m³/h
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Thanks to an intimate knowledge of the sugar industry, Fives Cail has set up a continuous improvement of its equipment. With more than 1,000 mill installations worldwide, Fives Cail has introduced successfully into the market a new and patented mill technology: MillMax®, designed for cane with preparation index higher than 90%.
MillMax® equipped with two pressure rollers and a reabsorption limiting device (CAP®) allows drastic reduction in capital and operating costs compared with a conventional mill.
Revolution in Milling
Energy savings
30% reduction in energy consumption
Ideal for co-generation
Higher extraction than conventional mills with bagasse moisture between 48% and 50%
Reduced maintenance
40% reduction in annual maintenance costs
Less component parts: no third roller, no trash plate
Less maintenance time required
Competitive equipment
Only 2 pressure rollers
Patented device for limiting juice reabsorption (CAP®)
Low installation and running costs
High flexibilities in choice of drives
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The best in technology combined with high quality materials and proven design. Conventional Mills have been the heart of our expertise for more than 160 years.
The Conventional Mill is developed and continually improved from our intimate knowledge of the industry in virtuelly every country in the world where sugar cane is grown. It combines state of the art technology with practical understanding of the operating parameters.
The Conventional Mill is available as the conventional three-roller and four-roller type. For specialist applications it can be supplied as pressure fed five-roller or close coupled six-roller versions. Conventional Mills may be used in a milling tandem or as a dewatering mill in conjuction with cane diffuser.
High extraction efficiency and high capacity
High performance
Easy operation and maintenace
Simple horizontal ajustment of mill settings
Large bearing journals which facilitate acceptance of high mill loads
A top scraper assembly which floats in unison with top roll and provides the most efficient roll cleanin
An improved trash turner system with external adjustment
Robuts, cast steel frames fully stress relieved for strength and long life
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Energy savings until 80% compared with a ball mill.
The highest possible flexibility on the mill market : from 10 to 15 minutes to change product quality.
Only one machine:
For various products (limestone, anhydrite, dolomite, raw mix, clinker...)
For various fineness: from 100 to 4 mm at inlet for final products from 3 mm to 7 microns.
No balls to improve the whiteness of your final product.
Workshop investment cost similar for an Horomill® or a Ball mill
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Overview
The 1042 and 1052 Series Granulizers are the largest roller mill Granulizers offered by MPE. Typical machines have one to four vertically-stacked roll sections, where each section contains the optimal combination of roll teeth, roll speeds and roll gap to maximize your product yield.
Machine Specifications:
.Roll diameter: 10 inches
.Roll length: 42 - 52 inches
.Target grind sizes: 4 - 140 mesh
.Capacity range: 2,000 - 25,000 Kg/hr
(depending on product density and final grind size)
Features Include:
.Automatic roll gap adjustment
.Digital roll gap indication
.Individual Motor Drives (IMD) (15 - 30 HP per section)
.Variable speed feed control
.Removable rolls
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Series 999 Coffee Granulizers - Ideal for Industrial Coffee Grinding Applications up to 10,000 lbs (4,500 kg)/hr.
Features:
* High capacity / efficiency - coffee beans are exposed to over 5,000,000 sq. inches (32,000,000 sq. cm) of working surface per minute, providing a capacity of over 10,000 lbs. (4,500 kg.) per hour of precisely ground coffe
* Model TS999 "Touch Screen" PLC controller - controls coffee recipes to achieve precise grinds, temperatures, density and feeder rates for up to 99 recipes. The clearance gap between the rolls is set to within 1/10,000th inch (.0025 mm) to achieve the most precise grind profile possible.
* Bulk density of the ground coffee - is regulated precisely before being discharged from the grinder through the use of the Model TS999 and MPE's exclusive normalizer design, thereby meeting today's rigorous packaging and coffee product standards.
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Model 800 "FX.WC" Roller-Style Espresso Granulizer - Ideal for Industrial Espresso Grinding Applications up to 2,000 lbs (910 kg)/hr.
MPE's state-of-the-art Granulizers provide engineered particle size reduction for espresso grinding applications. With its engineered roll corrugation designs and precision roll and gap tolerences, this coffee grinding equipment provides a steep, narrow particle size distribution tailored to each desired coffee grind. MPE coffee Granulizers provide a number of unique standard design and construction features including:
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Overview
The IMD 99, 89 and 69 series Granulizers typically have one to four vertically-stacked roll sections. Each roll section contains the optimal combination of roll teeth, roll speeds and roll gap to maximize your product yield.
Machine Specifications:
. Roll diameter: 8 inches
. Roll length(s): 40, 30 and 8 inches
. Target grind sizes: 4 - 325 Mesh
. Capacity range(s): 500 - 10,000 Kg/hr
(depending on product density and final grind size)
Features Include:
. Automatic roll gap adjustment
. Digital roll gap indication
. Individual Motor Drives (IMD) (5 - 15 HP per section)
. Variable speed feed control
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Low power consumption
Due to its concept of material bed grinding, the power consumption is reduced by 50 % compared to the ball mill.
High reliability
Many years of operation in most of the French cement plants have shown the reliability of the Fives FCB "E" mill.
Long life of grinding balls
The grinding balls have a regular wear due to their slight rotation upon themselves by inertia.
Low maintenance
The extension life of the grinding balls limits the preventive maintenance to a visual checking of the wear every 6 months.
No sophisticated mechanical equipment inside the mill.
No lubrication for the mill itself.
Low noise level:
Noise measurements have shown that the noise level is given by the motor itself.
Constant quality
Action angle of the balls increases from 90° to 120° in accordance with the wear. This allows to maintain an even grinding surface for a grinding pressure practically constant. It results that the grinding quality remains very close during the ball life as those obtained with new balls.
In association with TSV™ Classifier:
Fineness down to 1% reject at 80 µm.
Low vibration level due to low fines quantity in the recycled material.
Very low pressure drop and power consumption.
Very sharp TROMP curve.
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Roller mills of low-dust crushing with narrow particle size
distribution:
The NEUHAUS NEOTEC roller mills permit crushing with narrow particle size distribution. The narrow particle size spectrum is achieved by means of a continuous compressive shear stress between two corrugated rolls and a defined roller gap.
Maximum product hardness: 4 - 6 Mohs
Achievable product fineness: up to 100 μm
Narrow particle size distribution of the final product
NEUHAUS NEOTEC roller mills crush soft, brittle as well as tenacious products:
Coffee, SAP, polymer, urea, potash, polyacrylate, phenolic, plastics, calcium, sulphate, ammonium nitrate, pectine, crushed tablets,
ammonium bicarbonate, electronic waste
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The Silverson Multishear Mill has been specifically developed to meet the requirement for a high speed machine which eliminates, as far as possible, the need for conventional media or colloid milling.
The Multishear Mill differs from Silverson's standard In-Line mixers in that its rotor consists of three or four sets of finely machined teeth running against three or four sets of stators.
This multistage rotor/stator workhead provides intense high shear with a three stage machine performing over 3 million individual shearing actions per second and a four stage machine over 5 million per second.
This high degree of shear eliminates the need for conventional media milling, except on the hardest of solids. However, even if conventional milling is still needed, rapid pre-milling by the Silverson Multishear Mill will enable the product to be passed through the conventional media mill at a much faster rate. This is because most media mills work best when fed with a product of a uniform and low particle size. The total process time therefore will still be only a fraction of what would be needed by conventional methods alone.
Typical applications
- Pigments
- Dyestuffs
- Presscakes
- Titanium dioxide
- Bone slurries etc.
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Rhodax crusher
Principle
In-bed compressive grinding
Advantages
On load and on line setting
Non sensitive to tramp iron
Low wear rate
Stable quality of ground product fineness
Selective grinding and classification of the Fines which preserve hard grains.
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The Ball Mill works in closed circuit on a high efficiency TSV classifier
Advantages
Easier air circuit adjustment,
Selective aeraulic extraction: when particle diameter is fine enough it will be extracted by air speed.
Up to 350 KW
Semi-air swept ball mill,
Integral aeraulic discharge of the product
Direct drive at the outlet end (no grith + pinion gears),
Fully assembled (except liners) on a frame.
Over 350 KW
Fully air swept ball mill,
Integral aeraulic discharge of the product,
Over grinding reduced,
Pressure drop of mill reduced,
Extremely reduced jamming risks.
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Basket mill TML – easy to clean and quick product change
Basket mills are extremely efficient grinding systems comprising of a grinding basket that is lowered into the millbase for dispersion. During operation the grinding basket stands still while the milling shaft to which the milling tool, dissolver disc and pump wheel are fastened, rotates. The rotating milling tool agitates the beads inside the basket which disperses the millbase. The dissolver disc at the tip of the shaft and the pumping wheel generate effective circulation of the millbase, helping to provide excellent dispersion results in a short period of time. The TML basket milling system includes a special adapter flange which enables it to be fitted to a DISPERMAT® without the need for any tools. If the standard dissolver shaft and the TML basket milling system are frequently interchanged, an additional DL dissolver shaft is recommended.
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The TORUSMILL® SK is a dispersion machine with technology which corresponds closely to the TORUSMILL®. Whereas with the TORUMILL® TM the predispersion with a dissolver disc as well as the milling process with an integrated milling system is possible, the TORUSMILL® SK has been modified to disperse exclusively as a basket mill.
The TORUSMILL® SK is a basket mill where the milling basket filled with bead mills is lowered into predispersed millbase. During the operation the milling basket stands still while the shaft on which the pump wheel, the milling tool and the dissolver disc are fixed, is rotating.
By the means of the milling tool the milling beads are moved within the basket mill and the millbase is dispersed. The separation of the beads/millbase is ensured by a sieve in the bottom of the milling basket. The dissolver disc and above all the pump wheel, which is built into the milling basket, ensure exceptional circulation of the mill base and that excellent milling results are achieved very quickly.
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The TORUSMILL® TM is a completely new, patented dispersion system which allows for a particularly economic and environmentally dispersion of high quality products. With the TORUSMILL® a predispersion with a dissolver disc and afterwards the extremely fine grinding with an integrated basket mill can be made in one process technology machine in one container.
This innovation intelligently combines proven high speed dispersion technology with a basket mill system. In operation, the TORUSMILL® is first used to predisperse the product with a dissolver disc. During predispersion the torus shaped basket is "parked" in the upper part of the machine. After predispersion, the milling basket, containing the grinding beads and the milling tool is lowered into the millbase and the fine milling process can begin. The fast circulation of the millbase within the milling basket is generated by the dissolver disc and integrated pump wheel; because of this excellent dispersion results and a very narrow particle size distribution can be achieved very quickly. Due to the fact that no pumps, pipes, valves and additional containers are necessary, the cleaning is very easy and a quick change of the millbase is possible.
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Feature
1. ICM has new concept hammers which generate powerful grinding effect and get better efficiency and fineness than other grinder.
2. ICM meets the wider specific needs for product size both in finer and coarser range.
3. Different hammers for different specific requirement.
4. The speed of integrated air classifying rotor can be changed for. Flexible control of product fineness and get stable quality products.
5. Easier Machine Maintenance and cleaning, and all driving parts are protected by totally enclosed common base for safety.
Application
Heat sensitive materials
* Food and spice, (such as tee, red pepper) which are easy to deteriorate, can also be ground by ICM without losing flavor.
Easy to soften-material
* The most suitable solution for the grinding of plastic which is easy to soften by heat. ICM can be operated with minimum heat increase during the grinding task.
Fibrous and tough material
* Stable operation can be achieved for the grinding of fibrous material as alginic acid, celluloseKetc.
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In combination with a milling system APS the laboratory dissolver DISPERMAT® changes into a closed, discontinuously operating bead mill. The system is simply adapted to the corresponding dissolver via the dissolver shaft or the adapter flange. The DISPERMAT® can be used as a dissolver as well as a bead mill.
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Nano-Bead mill DISPERMAT® SL-nano for milling quantities from 100 ml
The bead mill DISPERMAT® SL-nano is a closed, horizontal operating nano bead mill with a high power input and extremely low clearance volume for for circulation and pass procedure.
A distinguishing mark for the Nano mill is:
* High grinding stock production due to pneumatic press out system
* Extremely small milling beads from 0.1 – 0.3 mm
* C-control with extensive process control
* Data interface for documentation & analyse
* Excellently suitable for research, development and quality assurance
* Compact design and very easy to clean
* High reproducibility of the dispersions
* Scale up: easy transmission from laboratory results to production scale
* Modular design: a modification to larger beads is possible at any time
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Laboratory 2-roll mills
RODOLFO COMERIO laboratory 2-roll mills are suitable to satisfy any mixing, measuring and development requirement of the product arising in the analysis laboratories and research Institues. These machines are designed to combine operational constancy and easiness with simble tests data determination and, furthermore, with control and measurement requirements of the operational parameters. A computer gives the possibility to program and automate the whole mixing process, thus improving the reproducibility of the tests of the whole sequence by means of tests carried out in automatic mode.
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DCP TECHNOLOGY offers high energy density milling, internal true media recirculation and the most efficient grinding media / product separation by centrifugal force. High flow recirculation followed by shorter residence times provides for high energy density milling even for mills coated with "Special Polymer Compound or Ceramics" as there is minimum temperature build up in the mill. Therefore, simple cooling on the premix tank for mixing the product prior to milling is mostly sufficient for processing temperature sensitive products. Low processing temperatures can easily be maintained in the DCP MILLS.
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Application
Foodstuff,Chemical ,Pharmaceutical, Feed, Fertilizer, Mineral Stone , Metal , Ceramics , Gypsum And any solid materials that need to be milled.
Feature
1) Multiple use for every kinds of raw materials, durable and low wastage .
2) Easy-operation, it can save time and power, high efficiency.
3) Long life components are easy to be replaced and cleaned.
Flowing Explanation
Raw material is fed into grinding room from feeding hopper. The First Grinding is a shearing force caused from the cutter impact in the inner of Rotor and Stator, and so on and so forth, the micro powder will be formed. After filtrating, the powder that smaller than screed mesh will be the products. The bigger powder will be ground in the Third Grinding until the powder can pass through the screen mesh. Finally, all the products will be discharged from the rotary valve.
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2-Roll mills for PVC and rubber
For this type of machines, RODOLFO COMERIO proposes two differnet lines :
- PIONEER is the standard range of mills , with the following sizes : mm 400x1000, mm 560x1500, mm 600x1800, mm 650x2000, mm 700x2200, mm 750x2500. These machines are featured by very strong structures, significant operational easiness and they are available with various powers and speeds and permit to get a very high and constant quality output.
- SPECIAL : they are standard mills having sizes un 800x3000 mm, to satisfy any particular production requirement. RODOLFO COMERIO, in fact, is available to supply battery mills, cracker mills and refiners for rubber processing, complete lines (up to 10 mills one after the other) for "crêpes processing and mills for PVC processing.
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Applications:
Dispersing, refining, homogenizing, cooling and deaerating pastes of all kinds, for example, for the manufacture of paints and printing inks, artist's colors, coloring crayons, eye makeup, lip stick and skin care products, fine soaps, pigmented coating compounds, plastic pastes, marzipan, chocolate fillings, couvertures, shellac glazes, processed cheeses, etc.
System Advantages:
Higher output rates and greater fineness through optimization of overall roller configuration. Centrifugally compound cast rollers, with hard surface of great depth. Automatically controlled intensive cooling system. Dynamic hydraulic system with optimum setting facilities. Swing lever roller mountings, affording accurate indication of pressure applied, which can be exactly reproduced. Machine of lightweight construction. Little floor space required. Simple operation and maintenance.
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Features
The rotary cutter is a great replaceable clawing, special designed of shearing angle and great of shearing force. Double layer noise-resistant of hopper installation and ultra silent. Special designed of whole chamber structure, so that the cutting efficiency is excellent. The unloading hopper is mobile and
due to comprehensive employment such as auto loaders. Storage tank and bag filling etc., to exchange the necessary attachment. So that. It can be ensured the recollecting effect. Cutter and Screen are easy disassembly and cleaning.
Application
For Foodstuff, chemical, tea juices, woods, bark, wires, Soft Rubber & Plastic, Grass, Soft Board, Paper, Recyclable Materials, resin ,film papers, leather, fibersK.etc.
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F6 crusher
Mobile hammer mill allowing coarse crushing end
INDUSTRIAL materials of crushing, mixes, handling, storage, proportioning, sifting and bagging
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... see all the products in the category
Mills
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