Condensing type drying method

Condensing type drying method

  • CN 101,430,161 A
  • Filed: 12/03/2008
  • Published: 05/13/2009
  • Est. Priority Date: 12/03/2008
  • Status: Active Application
First Claim
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1. a condensing type drying method is characterized in that, the hot flue gas of boiler discharge and material to be dried are introduced dividing wall type heat exchanger respectively, makes flue gas be cooled to dew point in heat exchanger, and the steam in the flue gas is condensed;

  • Material to be dried absorbs the sensible heat of flue gas cool-down release and the latent heat that steam condenses and discharges, and temperature raises, water evaporates, thus be dried;

    With dried material, flue gas, the condensate liquid of vapor evaporated, flue gas is drawn heat exchanger respectively from material;

    Wherein,Water vapour content in the hot flue gas that boiler is discharged〉

    30%, the steam that material to be dried the absorbs sensible heat that the latent heat that discharges discharges more than the flue gas cool-down of its absorption that condenses.

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