Converting heat into useful energy

Details Converting heat into useful energy Converting heat into useful energy

F - Mech Eng,Light,Heat,Weapons

01

K

F01K 27/02 (2006.01) F01K 7/02 (2006.01) F01K 23/04 (2006.01) F01K 25/06 (2006.01) F03G 7/04 (2006.01)

Patent

CA 2197038

Converting heat in a primary fluid (e.g., steam) to useful energy by multistage expansion of the primary fluid, heating of a multicomponent working fluid in a separate closed loop using heat of the primary fluid, and expansion of the multicomponent working fluid. The primary fluid in a vapor state is expanded in a first stage expander to obtain useful energy and to produce a partially expanded primary fluid. The partially expanded primary fluid stream is then separated into liquid and vapor components and split into a vapor stream (which is expanded in a second stage expander) and a further primary stream (which used to heat the multicomponent working fluid).

L'invention concerne un procédé de conversion de la chaleur contenue dans un fluide primaire (de la vapeur, par exemple) en énergie utile par dilatation multi-étagée du fluide primaire, chauffage d'un fluide travail à plusieurs composants dans un circuit fermé distinct en utilisant la chaleur du fluide primaire, et dilatation du fluide de travail à plusieurs composants. Le fluide primaire en phase vapeur est dilaté dans un dilatateur de premier étage pour obtenir de l'énergie utile et produire un fluide primaire partiellement dilaté. Le courant de fluide primaire partiellement dilaté est ensuite séparé en composants liquides et gazeux, et subdivisé en courant gazeux (qui est dilaté dans un dilatateur de deuxième étage) et en un autre courant de fluide primaire (qui sert à chauffer le fluide de travail à plusieurs composants).

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