Method for the treatment of wood or wood products

Details Method for the treatment of wood or wood products Method for the treatment of wood or wood products

B - Operations, Transporting

27

M

B27M 1/02 (2006.01) B27M 1/08 (2006.01) B30B 7/02 (2006.01) B30B 15/06 (2006.01) F26B 3/04 (2006.01) F26B 9/04 (2006.01)

Patent

CA 2612159

A method for the treatment of wood or wood products, in which method moist wood or wood products (1) are first dried by pressing and further by heating so that a desired degree of dryness is reached. In the first stage, the wood or wood products (1) arranged between treating elements (2) are pressed between the treating elements (2) so that liquid is removed from the wood being treated. In the method, as a result of the combined effect of the pressure, the liquid and/or gaseous substance released into the chamber space from the wood material being treated and possibly also air circulation arranged in the treatment chamber, a change of temperature in the treatment chamber from a lower temperature (T1) to a higher temperature (T2) is achieved without supplying additional heat into the chamber.

L~invention concerne un procédé destiné au traitement du bois ou de produits du bois, au cours duquel du bois ou des produits du bois (1) humides sont séchés en un premier temps par compression et, puis, par chauffage afin d~atteindre un degré souhaité de siccité. Lors de la première étape, le bois ou les produits du bois (1) disposés entre les éléments de traitement (2) sont comprimés entre les éléments de traitement (2) de telle manière que le liquide présent dans le bois en cours de traitement est éliminé. Selon ce procédé, à la suite de l~effet combiné de la pression, du liquide et/ou de la substance gazeuse libéré dans l~espace de la chambre par le matériau en bois en cours de traitement et probablement aussi de la circulation d~air disposée dans la chambre de traitement, on obtient un changement de température dans la chambre de traitement d~une température inférieure (T1) à une température plus élevée (T2) sans acheminer plus de chaleur vers la chambre.

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