Niro fluid bed systems are suited for continuous processing of particles in granular, agglomerated, powder, and pellet form. Very fine, light powders may require vibration for successful fluid bed drying. Particle size between 50-5000 microns. The execution of dryers is characterized by high hygienic standards, pressure shock protection, self-emptying capability and automatic cleaning system.
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For U.S fluid bed systems inquiries, please visit the Niro Inc website: www.niroinc.com
CONTACT FLUIDIZER™ CFD - A rectangular fluid bed dryer incorporating back-mix and plug flow sections
This is a rectangular fluid bed dryer incorporating back-mix and plug flow sections. A rotary distributor disperses the wet feed evenly over the back-mix section equipped with contact heating surfaces immersed in the fluidized layer.
The heating surfaces of these fluid bed systems are designed to avoid deposits and obtain a high heat transfer in the fluidized layer, and they provide a significant portion of the required energy. It is therefore possible to reduce both the temperature and the flow of gas through the system. This is particularly important for heat sensitive products. Specially designed perforated gill plates allow handling of oversize and minimize powder holdup by grade changes.
The heat panels can be inspected or cleaned externally.
Cleaning in place (CIP) of the whole plant is often provided.
Subsequent plug flow sections are used for post-drying and cooling, if required.
ADVANTAGES
Advantages of the CONTACT FLUIDIZER™ - compared to other products without heating surfaces, two-stage flash/fluidbed dryers, or rotary dryers - include its compact design, high thermal efficiency, and low gas usage.
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