F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 15/08 (2006.01) F04B 49/06 (2006.01) F04D 27/02 (2006.01)
Patent
CA 2557948
The inventive cryogenic fluid pumping system comprises at least one cryogenic fluid tank (8a, 8b), a cryogenic pump (18) having an input friction loss (NPSH) and a suction line (23a, 23b) connecting said tank (8a, 8b) to said pump (18). According to the invention, the pumping system comprises pressure control means for maintaining pressure in the suction line (23a, 23b) in such a way that said pressure is equal to or higher than an increased cryogenic fluid saturation pressure and the input friction loss (NPSH) of the cryogenic pump (18). Said invention can be used for pumping low-dense cryogenic fluids.
Système de pompage d'un fluide cryogénique, comprenant au moins un réservoir (8a,8b) de fluide cryogénique, une pompe (18) cryogénique présentant une perte (NPSH) de charge d'entrée et une ligne (23a,23b) d'aspiration reliant ledit réservoir (8a,8b) à ladite pompe (18). Selon l'invention, ledit système de pompage comprend des moyens de contrôle de pression aptes à maintenir la pression dans la ligne (23a,23b) d'aspiration au plus égale à la pression de saturation du fluide cryogénique augmentée de la perte (NPSH) de charge d'entrée de la pompe cryogénique (18). Application au pompage de fluides cryogéniques peu denses.
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Survei
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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