Difference between revisions of "Counter Current Dryers"

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[[File:Counter_Current_Dryers.jpg|thumb|right|200px|Counter Current Dryers]]
The '''Counter Current Dryers''' are also used effectively as  combined dryer/ [[Preheaters]]. However, since the final product is in  contact with the gas at its highest temperature the counter current dryer is often unsuitable for heat sensitive materials. Counter current  dryers are more suitable for materials that must be dried to very low  levels of moisture, where the last traces of moisture are difficult to  remove, or where an elevated product temperature is desirable.
 
 
==Features==
* Dryer is driven through a girth gear and tyre arrangement
* Minimum air leakage
 
 
==Advantages==
* Low operating costs
* Low maintenance costs
* Ideally suited for high volumes
* High thermal efficiency
 
 
==Materials==
* Sand
* Clays
* Maize germs
* Coal
* Ore
* Industrial sludge

Latest revision as of 01:25, 2 August 2012


The Counter Current Dryers are also used effectively as combined dryer/ Preheaters. However, since the final product is in contact with the gas at its highest temperature the counter current dryer is often unsuitable for heat sensitive materials. Counter current dryers are more suitable for materials that must be dried to very low levels of moisture, where the last traces of moisture are difficult to remove, or where an elevated product temperature is desirable.

Counter Current Dryers


Features

  • Dryer is driven through a girth gear and tyre arrangement
  • Minimum air leakage


Advantages

  • Low operating costs
  • Low maintenance costs
  • Ideally suited for high volumes
  • High thermal efficiency


Materials

  • Sand
  • Clays
  • Maize germs
  • Coal
  • Ore
  • Industrial sludge