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1. WO2011002401 - METHOD OF OPERATING AN ASSEMBLY OF HEAT EXCHANGERS FOR SUBCRITICAL AND TRANSCRITICAL CONDITIONS, AND AN ASSEMBLY OF HEAT EXCHANGERS

Publication Number WO/2011/002401
Publication Date 06.01.2011
International Application No. PCT/SE2010/050717
International Filing Date 23.06.2010
IPC
F28D 1/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEAT STORAGE PLANTS OR APPARATUS IN GENERAL
1Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
02with the heat-exchange conduits immersed in the body of fluid
04with tubular conduits
F25B 6/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
6Compression machines, plant, or systems, with several condenser circuits
02arranged in parallel
F25B 9/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
9Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point
F25B 41/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
41Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
04Disposition of valves
F25B 6/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
6Compression machines, plant, or systems, with several condenser circuits
CPC
F25B 2309/061
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2309Gas cycle refrigeration machines
06Compression machines, plant or systems characterised by the refrigerant being carbon dioxide
061with cycle highest pressure above the supercritical pressure
F25B 2500/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2500Problems to be solved
18Optimization, e.g. high integration of refrigeration components
F25B 41/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
41Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler
04Disposition of valves
F25B 6/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
6Compression machines, plant, or systems, with several condenser circuits
F25B 9/008
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
9Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point
002characterised by the refrigerant
008the refrigerant being carbon dioxide
Applicants
  • ALFA LAVAL CORPORATE AB [SE]/[SE] (AllExceptUS)
  • CHRISTENSEN, Rolf [SE]/[SE] (UsOnly)
Inventors
  • CHRISTENSEN, Rolf
Agents
  • JENSEN, Annika
Priority Data
0950507-430.06.2009SE
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD OF OPERATING AN ASSEMBLY OF HEAT EXCHANGERS FOR SUBCRITICAL AND TRANSCRITICAL CONDITIONS, AND AN ASSEMBLY OF HEAT EXCHANGERS
(FR) PROCÉDÉ D'EXPLOITATION D'UN ENSEMBLE D'ÉCHANGEURS DE CHALEUR EN CONDITIONS SUBCRITIQUES ET TRANSCRITIQUES, ET ENSEMBLE D'ÉCHANGEURS DE CHALEUR
Abstract
(EN)
The present invention refers to a method of operating an assembly (1) of heat exchangers (2) for subcritical and transcritical conditions, by initially arranging at least two heat exchangers (2) in parallel for the subcritical condition.
(FR)
Cette invention concerne un procédé d'exploitation d'un ensemble (1) d'échangeurs de chaleur (2) en conditions subcritiques et transcritiques consistant initialement à agencer deux échangeurs thermiques en parallèle pour les conditions subcritiques.
Latest bibliographic data on file with the International Bureau