F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 23/02 (2006.01) F26B 21/08 (2006.01) F26B 25/00 (2006.01)
Patent
CA 2667333
One subject of the invention is a process for the heat treatment of a material in an oven (4), said process using the combustion gases generated by at least one burner (5) associated with a hearth (6). This process is characterized in that a first step is provided for the condensation of the combustion gases between their exit from the hearth (6) and the oven (4), said condensation allowing some of the dust contained in the combustion gases to be eliminated, the condensation being carried out with the aid of an absorption-type refrigerating means (14) and being followed by a step of superheating the combustion gases enabling the desired temperature for the heat treatment to be obtained. Another subject of the invention is a treatment unit employing such a process. The process is more particularly applicable to the heat treatment of wood.
L'invention a pour objet un procédé de traitement thermique d'un matériau dans un four (4), procédé utilisant les gaz de combustion fournis par au moins un brûleur (5) associé à un foyer (6). Ce procédé est caractérisé en ce qu'on prévoit une première étape de condensation des gaz de combustion entre leur sortie du foyer (6) et le four (4), condensation permettant d'éliminer une partie des poussières contenues dans les gaz de combustion, la condensation étant conduite à l'aide d'un moyen frigorifique à absorption (14) et étant suivie par une étape de surchauffe des gaz de combustion permettant d'obtenir la température souhaitée pour le traitement thermique. L'invention a également pour objet une unité de traitement mettant en AEuvre un tel procédé. Le procédé est plus particulièrement applicable au traitement thermique du bois.
Nexter Munitions
Robic
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