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Contact Drying (CD) for charcoal kilns of EURO and EKKO type

Contact drying is used to “quickly and efficiently” remove moisture from wood to obtain dry raw materials for pyrolysis.  Contact drying takes place outside of the drying / pyrolysis chamber, which can significantly shorten the cycle time and increase the productivity of the furnace from 50 to 100% when using “fresh” wood.

You can learn more about the types of “wood dryers” in the article Types and methods of wood drying.

From the table below, you can clearly see the difference in the cycle time at different humidity of the raw material for the production of charcoal.

Relative humidity of wood,% Cycle time, h.
< 20 > 12
< 40 > 16
 < 55  > 24
< 70 > 36

 

SET OF DELIVERY CD

Item Name Note Quant., pcs
1. High-temperature smoke exhauster T < 400ºC 1
2. Thermocouple THA T < 800ºC 1
3. Thermal mixer To dilute coolant with cold air <200ºC, optimal drying of wood 1
4. Distribute heat To distribute heat to two trolleys 1
5. Trestle for trolleys Place for the installation of trolleys 2
  • When using CD, it is recommended to increase the number of trolleys for one furnace to 8 pcs.
  •  It is also recommended to "close" the trolley from the weather.

MAIN ADVANTAGES OF THE CD

  • Increase furnace productivity
  • Increase% coal yield
  • Effective drying of "raw materials"
  • Compactness
  • Easy operation
  • Low cost
  • Security

 

 

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