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            [post_title] => Polymer Systems Hot Melt Granulator
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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.
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Lithium Carbonate & Compounds

Lithium is a relatively rare element that is found in very small concentrations in many different rocks and also in brines. Very few of these sources have potential commercial value. The largest reserves of commercially available lithium salts are found in the brine deposits in dry sea beds located in a few South American countries where the US Geological Survey estimates the total reserves to be in excess of 12 million tons.

Since World War II the production and use of Lithium compounds have greatly increased. The main uses of Lithium compounds include Lithium oxide and Lithium carbonate for use in the production of ceramics and glass, Lithium carbonate for use in the production of Lithium ion batteries and Lithium Stearate for use in lubricants.

Lithium compounds namely Lithium Cobalt Oxide and Lithium Iron Phosphate used in battery applications have specific particle size distribution requirements. The Mikro ACM® Air Classifying Mill SF is used to grind lithium carbonate and produce the specific particle size distribution required for use in high performance Lithium Ion Batteries. Ultra-fine lithium powders used in Lithium Ion battery applications, result in improved battery performance. Performance improvements include higher useable capacity, longer life cycles, faster charging rates, higher efficiency, consistent discharge rates and size and weight advantages. The Mikro ACM® Air Classifying Mill SF is a special variation of the ACM and can produce an extremely fine and superior particle size distribution when compared to other types of air classifying mills.

Visit our Lithium Carbonate Milling Resource Center for more information.