Downcomer for chemical process tower

Details Downcomer for chemical process tower Downcomer for chemical process tower

B - Operations, Transporting

01

J

B01J 19/32 (2006.01) B01D 3/20 (2006.01)

Patent

CA 2268835

A chemical process tower tray construction incorporating a tapered semiconical downcomer (120) adaptive for discharging liquid along an arcuate edge portion of an underlying tray (130). The underlying tray (130) is of the type supported within the chemical process tower by support ring (98) which is positioned beneath the edge of the tray for the support thereof. The solid support ring (98) typically forms a nonactive area beneath this region of the tray and the tapered downcomer discharges liquid directly onto the inactive region wherein the remaining portion of the tray can be utilized for mass transfer.

L'invention porte sur une structure à plateaux d'une tour de traitement chimique, cette structure comprenant un trop-plein semi-conique (120) adapté pour l'évacuation du liquide le long d'une partie marginale courbe d'un plateau sous-jacent (130). Ce plateau sous-jacent (130) est soutenu dans la tour de traitement chimique au moyen d'un élément annulaire de support (98) placé sous le bord du plateau. Cet élément annulaire de support solide (98) forme généralement une surface non active sous cette région du plateau, et le trop-plein semi-conique déverse le liquide directement sur la région inactive, la partie libre du plateau pouvant être utilisée pour un transfert de matière.

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