Multistage two-phase turbine

F - Mech Eng,Light,Heat,Weapons – 01 – K

Patent

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Details

F01K 25/04 (2006.01) B01D 17/00 (2006.01) B01D 19/00 (2006.01) F01D 1/00 (2006.01) F01D 1/10 (2006.01) F01D 1/32 (2006.01) F01D 15/00 (2006.01) F01D 25/32 (2006.01) F01K 21/00 (2006.01) F03G 7/04 (2006.01)

Patent

CA 2220147

A multistage two-phase turbine having multiple stages to receive fluid, each stage having an inlet and outlet comprising nozzles at the inlet to each stage to accelerate the fluid that consists of a mixture of gas and liquid, to form two- phase jets; a rotating separator structure to receive and separate the two-phase jets into gas streams and liquid stream in each stage; the turbine having a rotating output shaft, and there being structure to convert the kinetic energy of the liquid streams into shaft power; structure to remove the separated liquid from at least one stage and transfer it to nozzles at the next stage; structure to remove the separated liquid from the last stage and transfer it to primary outlet structure; and structure to remove the separated gas from at least one stage and transfer it to a secondary outlet structure.

La présente invention concerne une turbine biphase (10) à plusieurs étages destinés à recevoir du fluide. En l'occurrence, chaque étage comporte une admission et une évacuation, chaque évacuation étant équipée de tuyères d'accélération du fluide. Celui-ci consiste en un mélange gaz / liquide de façon à former des jets biphases. Une structure rotative de séparation permet, au niveau de chaque étage, de recevoir et de séparer les jets biphases en flux gazeux (12) et flux liquide (15). La turbine est pourvue d'un arbre de sortie rotatif, une structure (11) permet de convertir en force motrice sur l'arbre l'énergie cinétique des flux liquides. La turbine comporte enfin une structure permettant d'évacuer de l'un au moins des étages le liquide séparé et de le transférer vers une structure d'évacuation secondaire.

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