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Metso's Mining and Construction Technology
 

Fluidized bed dryer
Metso's Mining and Construction Technology

Through the fluidizing phenomenon, the material begins to act like a fluid with gas of the right velocity passed though the bed. There is excellent solids/gas contact, resulting in high heat transfer rates for rapid drying. We have built fluid bed drying systems with a drying capacity up to 300 tph.

Fluid bed dryers are suitable for:

* Sands (Mineral & Foundry)
* Minerals (Limestone, Magnetite, Gypsum, Copper, Salt, Iron Ore)
* Plant Seeds & Grains (Grass, Wheat, Oats)
* Chemical Mixtures

Main benefits of the fluid bed are:

* Ability to dry small to fine material
* Low maintenance
* Well agitated
* High capacity

Concept of the fluid bed

The bed has the appearance of a vigorously boiling liquid, and in fact the bed of material takes on many of the properties of a fluid. It exerts a hydrostatic head, and the material will flow through a hole in the vessel or over and under a weir within the bed.
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