Method and device for cooling vapour in a desorption column

Details Method and device for cooling vapour in a desorption column Method and device for cooling vapour in a desorption column

B - Operations, Transporting

01

D

B01D 53/14 (2006.01) B01D 5/00 (2006.01) F28B 1/02 (2006.01) F28B 5/00 (2006.01) F28F 19/00 (2006.01)

Patent

CA 2509340

The invention relates to a method for cooling rising vapour (3) in a desorption column (2) by means of a condenser, which is situated at the head of the desorption column, is configured as an indirect heat exchanger and is traversed by a coolant (1). According to said method, the coolant enters at the bottom of the condenser (1) and flows upwards through conduits (8) that are arranged vertically in the condenser. The coolant is enriched with hydrogen sulphide prior to its entry into the condenser (1) and after the absorption of heat, escapes as an overflow (6) from the top of the condenser (1) through upper openings (10) of the conduits (8). The invention also relates to a desorption column (2) for carrying out said method.

L'invention concerne un procédé pour refroidir des vapeurs (3) ascendantes dans une colonne de désorption (2) au moyen d'un condenseur (1) disposé en haut de la colonne de désorption, agissant comme échangeur thermique indirect et parcouru par un fluide réfrigérant, qui pénètre dans le condenseur (1) par le bas et s'écoule vers le haut par des canaux (8) disposés à la verticale dans le condenseur. Selon l'invention, ce fluide réfrigérant est enrichi d'hydrogène sulfuré avant de pénétrer dans le condenseur (1) et il sort dans la partie supérieure du condenseur (1) par débordement hors des ouvertures supérieures (10) des canaux (8) après absorption de la chaleur. La présente invention porte également sur une colonne de désorption (2) dans laquelle ledit procédé est réalisé.

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