F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 41/06 (2006.01) F04D 25/16 (2006.01) F25B 1/10 (2006.01) F25B 5/00 (2006.01) F25J 1/02 (2006.01)
Patent
CA 2546985
A compressor system comprises (a) a first compressor (43) having a first stage (41) and a second stage (45) wherein the first stage (41) compresses a first gas (3) and the second stage (45) compresses a combination of a fourth gas (9) and an intermediate compressed gas from the first stage (43); and (b) a second compressor (49) having a first stage (47) and a second stage (51) wherein the first stage (47) compresses a second gas (5) and the second stage (51) compresses a combination of a third gas (7) and an intermediate compressed gas from the first stage (47); and (c) piping means (57) to combine the discharge (53) from the second stage og the first compressor and the discharge (55) from the second stage of the second compressor to provide a compressed gas. The second gas (5) is at a pressure higher than the first gas (5), the third gas (7) is at a pressure higher than the second gas (5), and the fourth gas (9) is at a pressure higher than the third gas (7). The system has particular application to multistage refrigeration, especially of LNG.
Un système compresseur comporte (a) un premier compresseur (43) présentant un premier étage (41) et un second étage (45), le premier étage (41) comprimant un premier gaz (3) et le second étage (45) comprimant, en combinaison, un quatrième gaz (9) et un gaz comprimé intermédiaire provenant du premier étage (43); (b) un second compresseur (49) présentant un premier étage (47) et un second étage (51), le premier étage (47) comprimant un deuxième gaz (5) et le second étage (51) comprimant, en combinaison, un troisième gaz (7) et un gaz comprimé intermédiaire provenant du premier étage (47); et (c) une canalisation (57) permettant de combiner le gaz (53) sortant du second étage du premier compresseur et le gaz (55) sortant du second étage du second compresseur pour former un gaz comprimé. La pression du deuxième gaz (5) est supérieure à celle du premier gaz (3), la pression du troisième gaz (7) est supérieure à celle du deuxième gaz (5) et la pression du quatrième gaz (9) est supérieure à celle du troisième gaz (7). Ce système s'applique particulièrement à la réfrigération multi-étagée, en particulier de gaz naturel liquéfié.
Petrowski Joseph Michael
Roberts Mark Julian
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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