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1. WO1996010156 - METHOD AND DEVICE FOR COOLING GASES

Publication Number WO/1996/010156
Publication Date 04.04.1996
International Application No. PCT/AT1995/000187
International Filing Date 27.09.1995
Chapter 2 Demand Filed 20.04.1996
IPC
B01D 53/26 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
26Drying gases or vapours
F25B 13/00 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
13Compression machines, plant, or systems, with reversible cycle
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 47/02 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
47Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
02Defrosting cycles
CPC
B01D 53/265
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
26Drying gases or vapours
265by refrigeration (condensation)
F25B 13/00
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
13Compression machines, plant or systems with reversible cycle
F25B 41/20
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
20Disposition of valves, e.g. of on-off valves or flow control valves
F25B 47/022
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
47Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
02Defrosting cycles
022hot gas defrosting
Applicants
  • GOSSLER, Ewald [AT]/[AT]
Inventors
  • GOSSLER, Ewald
Agents
  • SECKLEHNER, Günter
Priority Data
A 1854/9429.09.1994AT
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN UND VORRICHTUNG ZUM KÜHLEN VON GASEN
(EN) METHOD AND DEVICE FOR COOLING GASES
(FR) PROCEDE ET DISPOSITIF DE REFROIDISSEMENT DES GAZ
Abstract
(DE)
Bei einem Verfahren zum Kühlen von Gasen, insbesondere einer durch einen Verdichter (4) angesaugten Luft, in einer Druckluftanlage, strömt das Gas wechselweise durch zumindest einen von mehreren mit Wärmetauschern (15, 16) ausgestatteten Kältetrocknern (5, 6) hindurch. Das angesaugte Gas wird über eine Kühlstrecke mittels eines Wärmetauschers (15, 16) unter 0 °C abgekühlt. Während der Abkühlung des Gases wird durch zumindest einen der Kältetrockner (5, 6), in dem oder den weiteren Kältetrocknern (5, 6) durch Zufuhr eines heißen Kältemitteldampfes das im Kältetrockner (5, 6) entstehende Eis abgetaut. Das aus dem abzutauenden Kältetrockner (5, 6) austretende flüssige Kältemittel wird zwischen dem Eingang des zur Abkühlung des angesaugten Gases eingesetzten Wärmetauschers (15, 16) und dem diesem oder diesen vorgeordneten Kondensator (59) oder dem Tank in eine Druck- und/oder Anschlußleitung (17, 18) des Kältemittelkreislaufs eingespeist. Weiters umfaßt die Aumeldung ein weiteres Verfahren, bei dem die Soll-Temperatur bei dem entsprechenden Soll-Druck des aus dem zum Abkühlen des angesaugten Gases eingesetzten Wärmetauschers austretenden Kältemittels höher ist als die den Soll-Druck dieses Kältemittels entsprechende Plan-Temperatur.
(EN)
According to a method of cooling gases, in particular air which is drawn in through a compressor, in a compressed air arrangement the gas flows alternately through at least one of a plurality of refrigerating driers (5, 6) equipped with heat exchangers (15, 16). The gas drawn in is cooled by means of a heat exchanger (15, 16) to below 0 °C over a cooling section. Whilst the gas is being cooled, the ice produced in the refrigerating drier (5, 6) is defrosted by at least one of the refrigerating driers (5, 6) or in the further refrigerating drier(s) (5, 6) by the supply of a hot refrigerant vapour. The liquid refrigerant flowing out of the refrigerating drier (5, 6) to be defrosted is introduced into a pressure and/or connection line (17, 18) of the refrigerant circuit between the inlet of the heat exchanger (15, 16) used for cooling the gas drawn in and the condenser (59), which is arranged upstream of this (these) heat exchangers, or the tank. The invention also concerns a further method in which the nominal temperature is higher at the corresponding nominal pressure of the refrigerant emerging from the heat exchanger used for cooling the gas drawn in than the nominal temperature corresponding to the nominal pressure of this refrigerant.
(FR)
Selon un procédé pour le refroidissement des gaz, en particulier d'air aspiré à travers un compresseur dans une installation d'air comprimé, le gaz circule alternativement à travers au moins un sécheur réfrigérant appartenant à un ensemble de sécheurs réfrigérants (5, 6) équipés d'échangeurs thermiques (15, 16). Le gaz aspiré est refroidi au-dessous de 0 °C sur un parcours de refroidissement, au moyen d'un échangeur thermique (15, 16). Pendant le refroidissement du gaz, la glace formée dans le sécheur réfrigérant (5, 6) est dégelée par au moins l'un des sécheurs réfrigérants (5, 6) ou dans l'autre ou les autres sécheurs (5, 6), par amenée d'une vapeur surchauffée d'agent réfrigérant. L'agent réfrigérant liquide sortant du sécheur réfrigérant (5, 6) à dégeler est introduit dans une conduite à pression et/ou une conduite de raccordement (17, 18) du circuit de réfrigération, entre l'entrée de l'échangeur thermique (15, 16) utilisé pour le refroidissement du gaz aspiré, et le condenseur (59) agencé en amont de cet échangeur ou de ces échangeurs, ou entre l'entrée et le réservoir. L'invention concerne également un autre procédé dans lequel la température nominale est plus élevée, à la pression nominale correspondante de l'agent réfrigérant sortant de l'échangeur thermique utilisé pour le refroidissement du gaz aspiré, que la température nominale correspondant à la pression nominale de cet agent réfrigérant.
Also published as
AT19959092
DE19581094
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