Fluid bed technology is a core technology of GEA process Engineering. We supply several different fluid beds for application within food and dairy products, chemicals and pharmaceuticals - all applied for drying, after drying or cooling of particles - powders, agglomerates or pellets - and for production of agglomerates and granulates.
Different types of fluid beds
Fluid bed dryers are applied for particles between 50 microns and 5 mm. There are different types of fluid beds:
- Back mix fluid beds: For powders that are not fluidizable due to high moisture content
- Plug flow fluid beds: For powders that are directly fluidizable. Here the design is important for achieving the controlled residence time that is the pre-requisite for obtaining the right particle properties. The plug flow fluid bed can be either stationary or vibrating like the GEA Niro VIBRO-FLUIDIZER™.
GEA Process Engineering supplies both types of basic fluid beds designed to fit into the spray drying process or as a stand-alone unit for other processes.
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All plants designed and supplied by GEA Process Engineering will enable the end user to obtain approvals put forward by the EU directive.
Read about the technology behind fluid bed drying.