Continuous flow steam condensate removal device

F - Mech Eng,Light,Heat,Weapons – 16 – T

Patent

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Details

F16T 1/34 (2006.01) B01D 53/26 (2006.01)

Patent

CA 2182884

The application discloses a con- tinuous flow steam condensate removal device for use in a steam condensate removal system of a type which in- cludes a steam condensate line, a Y- strainer for removing debris from the steam condensate line, and a condensate return line. The condensate removal de- vice is an elongated unitary one-piece body (2) having an entrance end (5), an entrance passageway (6), an exit passageway ate passageway (7), an exit passageway (8), and an exit end (9). The inter- mediate passageway includes a cylindri- cal venturi tube (10), which is adjacent an exit of the entrance passageway (6), and a downstream cylindrical discharge- transition passageway (11), which is ad- jacent an exit of the venturi tube (10). The downstream cylindrical discharge-transition passageway (11) has a diameter larger than a diameter of the venturi tube (10) and a length larger than a length of the venturi tube (10). A ratio of the length to the diameter of the downstream cylindrical discharge-transition passageway (11) is greater than five, in order to provide an efficient flow of condensate through the device. A ratio of the length of the downstream cylindrical discharge-transition passageway (11) to the length of the venturi tube (10) may be greater than five.

La présente invention concerne un dispositif d'élimination en continu du condensat d'un flux de vapeur, à utiliser dans un système d'élimination de condensat de vapeur, du type comportant une conduite de condensat de vapeur, un filtre en Y pour l'élimination des sédiments provenant de la conduite de condensat de vapeur et un conduit de retour du condensat. Le dispositif d'élimination de condensat se présente sous la forme d'un corps monobloc unitaire allongé (2) ayant une extrémité d'entrée (5), un passage d'entrée (6), un passage intermédiaire (7), un passage de sortie (8) et une extrémité de sortie (9). Le passage intermédiaire comprend un tube venturi cylindrique (10) situé près de la sortie du passage d'entrée (6), et un passage cylindrique aval de décharge-transition (11), situé près d'une sortie du tube venturi (10). Le passage cylindrique aval de décharge-transition a un diamètre et une longueur supérieurs à ceux du tube venturi (10). La longueur du passage cylindrique aval de décharge-transition (11) est cinq fois supérieure à son diamètre pour assurer un écoulement efficace de condensat à travers le dispositif. La longueur du passage cylindrique aval de décharge-transition (11) peut être cinq fois supérieure à la longueur du tube venturi (10).

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