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[post_date] => 2015-01-06 10:52:36
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[post_content] => Mikro ACM® Air Classifying Mills were invented by HMPS in the late 1960’s and are one of the most versatile types of size reduction equipment available in the market. These units while being capable of producing fine, medium and coarse grinds for a wide variety of materials for Food, Pharmaceutical, Chemical and Mineral industries, require very little maintenance over their life span. The basic design of these mills is the impact size reduction that is coupled with an internal dynamic classifier which controls the outlet (product) particle size via recirculating the coarse particles back into the grinding zone.
There are seven main factors which determine particle size distribution for the Mikro ACM® Air Classifying Mill. When varied, the rotor type and speed combined with the liner and hammer count affects the production of fines. The separator type and speed affects the top size of the product. And lastly, the airflow governs the throughput as well as top size and fines generation. With the endless available options a machine can be configured to process just about any material that is below MOH’s hardness of 5.
[post_title] => Mikro ACM® Air Classifying Mill
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[post_modified] => 2021-07-29 11:28:37
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[post_content] => The wet material is fed through customized feeding systems into the grinding and drying section of the dryer's main body. The grinding rotor disperses the wet material into very fine particles and the fine particles are fluidized in the grinding chamber by temperature-controlled, hot gas coming in from the air heater.
The hot air (or inert gas) can be heated up to 650 °C and as the wet product is dispersed, it is reduced in size in the bottom section of the dryer. The system is kept under a negative pressure by the exhaust fan and the surface area of the product is increased enormously so that water (or other solvents) is evaporated instantaneously.
The dry and fine particles are conveyed with the gas stream to the top section of the dryer where a separator classifies the particles by size. Then the particles pass the classifier at the set cut point and are conveyed with the exhaust air to a powder air separating system like the cyclone, cyclone filter or cyclone scrubbers.
The Micron Dryer flash dryer retains a fluidized bed of product in the drying chamber to ensure a low level of adhesion of wet material on the inside wall of the drying chamber. Moreover, process parameters like classifier speed and outlet temperature can be adapted to control moisture content and particle size of the end product.
- Ultra fine regular end product - Due to its specially designed dispersion rotor, our flash dryers are able to produce ultra-fine powders in one step from suspensions, slurries, pastes and dough, filter cakes or wet powders.
- High evaporation capacity - Due to the combination of high ?T with a good dispersion of the wet product in the air, our flash dryers can evaporate large quantities of liquids.
- Compact design - Compared to other direct drying technologies, the flash dryer requires up to 50% less space.
- Multi-purpose - Filter cake or slurry, in the same machine. Therefore with the Drymeister-H unlimited mechanical dewatering is possible previous to the final drying stage.
- Easy access - Either for cleaning, inspection or maintenance inside the dryer, our flash dryers offers the best accessibility from the market, regardless which size.
- Various systems available - Open, closed- and recycle system concepts.
[post_title] => Micron Drymeister Flash Dryer
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[post_modified] => 2020-10-28 12:41:29
[post_modified_gmt] => 2020-10-28 16:41:29
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The Mikro Pulverizer® consists of a high speed rotor assembly fitted with hammers. The grinding chamber is fitted with a cover containing a multiple deflector liner and a retaining screen at the point of mill discharge.
A screw mechanism is often used to introduce feed material into the grinding chamber. The grinding process is affected by three basic variables: the type of hammers, the rotor speed, and the size and shape of the screen opening.
There are two types of hammers: the “stirrup,” recommended where a fine particle size is desired; and the “bar,” which generates a coarser grind with a minimum of fines. Both types are tipped at the wearing edge with various abrasion resistant alloys. Rotor speed affects the fineness of the grind as follows: low speeds result in a coarse grind and high speeds produce a fine grind. Size and shape of the retaining screen openings also affect the product. In general, a finer screen opening will result in a finer grind. The retaining screen does not function as a sifting screen, except in coarse granulations.
Controlled Particle Size
Optimum particle size reduction can greatly affect chemical reaction speeds, solubility, weight, color, volume, appearance and strength of ground products. Mikro-Pulverizers® provide accuracy in particle size control because the grinding action is entirely mechanical. Once a mill is set to deliver a certain product, it will continue to produce exactly the same result without adjustment.
Grind, Blend and Disperse
Mikro Pulverizers® grind, blend and disperse in a single operation. Intensive action thoroughly mixes dissimilar ingredients into a finished product. Heat sensitive materials are handled by adjustment of mill speed, hammers, screen and discharge air relief, as well as with pneumatic conveying. Conditioned air may be bled into a grinding chamber, or the feed may be pre-conditioned or chilled. The Mikro Pulverizers® comes in many model sizes from small pilot scale to massive production models.
[post_title] => Mikro Pulverizer
® Hammer & Screen Mill
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[post_modified] => 2022-01-24 09:13:15
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[3] => WP_Post Object
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[post_date] => 2015-07-01 05:40:05
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The Schugi® Flexomix agglomeration system is a powerful combination of a number of functions:
- Powder handling system
- Powder dosing system
- Binder dosing system(s): water, steam, and other liquids
- Schugi® Flexomix mixer and agglomerator (FX),
- Schugi® Fluid Bed Dryer and Cooler (FBD)
- Air system including blower and heating/cooling equipment
- Air exhaust system including cyclone and filter
- Product classification and size crusher (if necessary)
- State-of-the-art integrated control system
This combination means that base powders can be fed as a mixture or as multiple powders in parallel. An accurate, gravity fed system ensures a constant powder/liquid ratio and a liquid dosing skid ensures accurate flow control and a constant powder/liquid ratio in the agglomerator. This liquid skid can be equipped with a stirrer or a heated tank for example, or in the case of solution binders, a preparation tank.
Powders and liquids can be fed into the unit through top inlet(s) using air atomizers which combine with turbulent air flow inside the mixer’s vertical chamber, mixes powdery and liquid particles intensively and instantaneously.
The Flexomix has been designed to be compact whilst allowing for homogeneous mixing of powders and liquids at capacities of up to 40 000 kg/h. To achieve this, the Flexomix has a flexible mixing chamber and a shaft with pitch-adjustable mixing blades that rotate at high speed. The resulting granulates have a porous, raspberry like structure in particle sizes of 0.1 to 1.2 mm and with a D50 between 300 and 700 micron at low to medium density.
The wet granulates from the Flexomix are then processed in the Schugi® Fluid Bed Dryer which is divided into several compartments. The front end compartments are used for drying; the rear for cooling. Product height in the bed can be altered from between 100 and about 500 mm (average 300 mm), and depending on the application, variable residence times can be achieved by adjusting the bi height.
The Schugi® Flexomix agglomeration system has an air system and air exhaust system including cyclone and filter, as well as a one or two-deck sieve and an oversize crusher for product classification.
[post_title] => Schugi
® Flexomix Agglomeration System
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[post_modified] => 2021-05-22 02:36:45
[post_modified_gmt] => 2021-05-22 06:36:45
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