Device for preventing pipeline freezing

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

Patent

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Details

F16L 53/00 (2006.01) E03B 7/12 (2006.01) F17D 1/18 (2006.01)

Patent

CA 2389932

A device for preventing freezing of a fluid in a pipeline, comprising a container (5) for accommodating a heating medium, heating means (8) for heating the container and the heating medium in the container, a pipe (2) bringable into contact with the pipeline (1) and having a heating medium supply branch (3) for supplying the heating medium from the container and a heating medium return branch (4) for returning the heating medium to the container means (11, 12) for supplying the heating medium into the supply branch from the container and returning the medium from the return branch back into the container, the heating medium supply branch and the heating medium return branch being formed so that at least one of the branches (3, 4) is in direct heat-transmitting contact with a wall of the pipeline, means (14) for holding the at least one branch of the pipe in direct heat-transmitting contact with the wall of the pipeline so that heat is transmitted from the heating medium in the at least one branch directly through the wall of the pipeline to the fluid in the pipeline soas to heat the fluid in the pipeline.

L'invention concerne un dispositif pour empêcher le gel d'un fluide dans un pipeline, comprenant un contenant (5) pour recevoir un milieu chauffant, des moyens chauffants (8) pour chauffer le contenant et le milieu chauffant dans le contenant, un tuyau (2) pouvant être mis en contact avec le pipeline (1) et possédant une branche d'alimentation (3) du milieu chauffant pour amener le milieu chauffant à partir du contenant, et une branche de retour (4) du milieu chauffant pour ramener le milieu chauffant aux éléments de contenant (11, 12) servant à amener le milieu chauffant dans la branche d'alimentation à partir du contentant et à ramener le milieu de la branche de retour dans le contenant, la branche d'alimentation du milieu chauffant et la branche de retour du milieu chauffant étant formées de manière qu'au moins une des branches (3, 4) soit en contact direct de transfert de chaleur avec une paroi du pipeline, des moyens (14) pour soutenir la ou les branches de tuyau en contact direct de transfert de chaleur avec la paroi du pipeline, de manière que la chaleur soit transmise à partir du moyen chauffant dans la ou les branches directement au fluide situé dans le pipeline, à travers la paroi du pipeline, de manière à chauffer ledit fluide.

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