Gas hydrate production device and gas hydrate dehydrating...

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 3/00 (2006.01) B01J 19/00 (2006.01) B01J 19/10 (2006.01) B01J 19/20 (2006.01) B01J 19/26 (2006.01) C10L 3/06 (2006.01) F26B 5/14 (2006.01)

Patent

CA 2410578

A gas hydrate dehydrating/cooling/retrieving device for dehydrating and solidifying slurry gas hydrate for retrieving under atmospheric pressure, comprising a retrieving device body (31) having a slurry gas hydrate supply port (32) provided at the tope of a pressure container, a screw extrusion molding machine (33) provided in the retrieving device body (31) at the bottom thereof and provided with a drain port (37) and an exit sealing means, and a cooling means (41) for cooling the neighborhood of the exit (39) of the molding machine (33). The device can efficiently and continuously dehydrate/cool and solidify slurry gas hydrate to retrieve it under atmospheric pressure in the form of solidified blocks formed from gas hydrate powder.

L'invention concerne un dispositif de déshydratation/refroidissement/extraction d'hydrate de gaz pour déshydrater et solidifier un hydrate de gaz sous forme de suspension épaisse pour extraction dans des conditions de pression atmosphérique. Ce dispositif comprend un corps d'extraction (31) du dispositif possédant un orifice d'alimentation (32) d'hydrate de gaz sous forme de suspension épaisse situé au sommet d'un contenant sous pression, une machine de moulage par extrusion à vis (33) située dans le corps d'extraction (31) du dispositif, au fond de ce dernier, et dotée d'un orifice de fuite (37) et d'un moyen de fermeture de sortie, ainsi qu'un moyen de refroidissement (41) pour refroidir les abords de la sortie (39) de la machine de moulage (33). Ce dispositif peut efficacement et de façon continue déshydrater/refroidir et solidifier un hydrate de gaz sous forme de suspension épaisse pour extraire celui-ci, dans des conditions de pression atmosphérique, sous la forme de blocs solidifiés formés de poudre d'hydrate de gaz.

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