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| Very fine and uniform powder in micron particle size is now available on a production scale with our newly developed spray dryer. |
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| Micro Mist Spray Dryer |
| The Micro Mist Spray Dryer produces very fine and uniform powder by drying atomized liquid particles instantaneously in contact with hot air. Atomized liquid particles of 10 micron m or over in diameter are characterized as "sprayed droplets", on the other hand particles under 10 micron m in diameter are characterized as "mist". The mist is much controllable in air flow without producing wet deposits on chamber wall. Our "four-fluid nozzle" enables liquid to be sprayed as "mist" in large volume. For this reason, we have named product the "Micro Mist Spray Dryer". The Micro Mist Spray Dryer achieves "single micron" range particle size that cannot be obtained in production scale with conventional spray dryers. Previously, fine powder has been produced by either pulverization or classification methods in addition to spray drying. However, we are proud to introduce our Micro Mist Spray Dryer which produces very fine and uniform powder directly from liquid. You will find excellence on a large scale production of fine powder using the Micro Mist Spray Dryer. |
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| Features on conventional spray drying methods |
| The spray drying method was originally designed at the beginning of the 20th century in Europe for drying skimmed milk and is widely used today in many fields and applications. Spray drying system is simpler than other drying methods since the powder is available directly from liquid material(solution or suspension). By atomizing the liquid, surface area per unit weight increases, thus higher efficiency for contacting to hot air is achieved and drying process can be carried in a shorter time. Due to the latent heat of evaporation, surrounding fine powder during the process will not be at a high temperature. This system is therefore suitable for material that is vulnerable to heat. As the atomized liquid is spherical due to surface tension, so is the dried powder. |
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| Features of the "four-fluid nozzle" (patented in Japan and overseas) |
| Large atomizing capacity of particles in "single micron" size. Controllable liquid particle size Ability to atomize two kinds of liquid mixing at nozzle tip. Sharp and narrow particle size distribution is available. Continuous atomizing operation is possible for hours without the trouble of clogging, as the nozzle has a self-cleaning function and the nozzle is outside mixing type. By changing the edge diameter, compliance with various production volumes can be achieved. Since the nozzle has two liquid passages, there are many possibilities to suit the user's ideas. |
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