Improved helical separator

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 19/00 (2006.01) B01D 21/00 (2006.01) B01D 21/26 (2006.01) B04C 5/103 (2006.01) B04C 7/00 (2006.01) E21B 21/06 (2006.01) E21B 43/36 (2006.01) E21B 43/38 (2006.01)

Patent

CA 2301525

The invention relates to an improved liquid/gas helical separator whose operating principle is based on a combination of centrifugal and gravitational forces. Generally speaking, the separator consists of a primary separator (I), formed basically by an expansion chamber, a secondary separator (III), formed basically by a helix (14a) for directing the flow; a tertiary separator (III), which consists of a reservoir or gravitational-separation tank and of a transition region (II) between the primary (I) and secondary (III) separators, which consists of at least two variable-pitch helixes (14a, 14b), whose inclination varies from an angle of 90° to the angle of inclination of the constant-pitch helix of the secondary separator (III), with the function of providing a "gentler" flow of the liquid phase at the transition between the first two separators (I, III).

Cette invention a trait à un séparateur hélicoïdal liquide/gaz amélioré dont le principe de fonctionnement repose sur la combinaison de la force centrifuge et de la force de gravitation. D'une manière générale, ce séparateur est constitué d'un séparateur primaire (I), formé essentiellement d'une chambre d'expansion, d'un séparateur secondaire (III), essentiellement formé d'une hélice (14a) destinée à diriger le flux, d'un troisième séparateur (III) consistant en un réservoir ou une cuve de séparation par gravitation et d'une région de transition (II) se trouvant entre les séparateurs primaire (I) et secondaire (III) et comportant au moins deux hélices à pas variable (14a, 14b) dont la valeur de l'angle d'inclinaison varie de 90 DEG à la valeur de l'angle d'inclinaison de l'hélice à pas constant du séparateur secondaire (III). Ces hélices à pas variable assurent à la phase liquide un débit "plus doux" au niveau de la région de transition entre les deux séparateurs (I et III).

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