Gas drying device

Details Gas drying device Gas drying device

B - Operations, Transporting

01

D

B01D 53/26 (2006.01)

Patent

CA 2594769

Gas drying device, consisting of a desiccant dryer ( 2 ) which makes use of a pressure tank ( 4 ) with a drying zone ( 5 ) and a regeneration zone ( 6 ), wi than adsorption and/or absorption medium ( 7 ) which is alternately guided through the drying zone ( 5 ) and the regenerat ion zone ( 6 ); a primary circuit ( 8 ) in which the abovement ioned desiccant dryer ( 2 ) is included, which makes it possible to guide the gas to be dried through the drying zone ( 5 ) of the desiccant dryer ( 2 ); a secondary circuit ( 9 ) which makes it possible for a part of the gas to be dried to be guided through the regeneration zone ( 6 ) of the desiccant dryer ( 2 ) and to absorb moisture there, characterised in that the device also contains a cooling dryer ( 1 ) which is inserted upstream the abovement ioned desiccant dryer ( 2 ) in the primary circuit ( 8 ).

La présente invention concerne un dispositif de dessiccation du gaz, constitué d~un dessiccateur (2) qui utilise un réservoir à pression (4) avec une zone de dessiccation (5) et une zone de régénération (6), avec un agent d~adsorption et/ou absorption (7) qui est guidé en alternance à travers la zone de dessiccation (5) et la zone de régénération (6) ; un circuit primaire (8), dans lequel le dessiccateur (2) mentionné ci-dessus est inclus, qui permet de guider le gaz destiné à être séché à travers la zone de dessiccation (5) du dessiccateur (2) ; un circuit secondaire (9) qui permet à une partie du gaz destiné à être séché d~être guidée à travers la zone de régénération (6) du dessiccateur (2) et d~y absorber de l~humidité, caractérisé en ce que le dispositif contient également un dessiccateur-refroidisseur (1) qui est inséré en amont du dessiccateur (2) mentionné ci-dessus dans le circuit primaire (8).

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