WO2015015852A1 - Dispositif de concentration d'oxygène - Google Patents

Dispositif de concentration d'oxygène Download PDF

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Publication number
WO2015015852A1
WO2015015852A1 PCT/JP2014/061943 JP2014061943W WO2015015852A1 WO 2015015852 A1 WO2015015852 A1 WO 2015015852A1 JP 2014061943 W JP2014061943 W JP 2014061943W WO 2015015852 A1 WO2015015852 A1 WO 2015015852A1
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Prior art keywords
air
outside
oxygen
dehumidifying
tubes
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PCT/JP2014/061943
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English (en)
Japanese (ja)
Inventor
新田　一福
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ブレステクノロジー株式会社
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Publication of WO2015015852A1 publication Critical patent/WO2015015852A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M16/101—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using an oxygen concentrator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/02—Separation 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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation 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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0423—Beds in columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/22—Separation 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 by diffusion
    • B01D53/228—Separation 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 by diffusion characterised by specific membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/26—Drying gases or vapours
    • B01D53/268—Drying gases or vapours by diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/08—Specific process operations in the concentrate stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2626—Absorption or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/22—Membrane contactor

Definitions

  • the present invention relates to an oxygen concentrator.
  • oxygen concentrators that increase the concentration of oxygen by concentrating air taken from outside have been developed as devices for supplying oxygen to patients.
  • the oxygen concentrator generates high-concentration oxygen by bringing compressed air into contact with zeolite and adsorbing nitrogen to the zeolite (see, for example, JP 2010-227517 A).
  • Zeolite adsorbs not only nitrogen but also moisture. When moisture is adsorbed, the amount of nitrogen that can be adsorbed decreases, and the efficiency of concentrating oxygen deteriorates. Such a problem is not limited to zeolite, but is common to catalysts that adsorb nitrogen.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide an oxygen concentrator in which the efficiency of concentrating oxygen is prevented from deteriorating.
  • the present invention provides a dehumidifying mechanism that dehumidifies air taken from outside, a compressor that is provided downstream of the dehumidifying mechanism and compresses the air dehumidified by the dehumidifying mechanism, and the air compressed by the compressor
  • a nitrogen adsorption mechanism that adsorbs nitrogen contained in the catalyst to generate high-concentration oxygen
  • a humidification mechanism that humidifies the high-concentration oxygen generated by the nitrogen adsorption mechanism before being sent outside.
  • the dehumidifying mechanism and the humidifying mechanism are integrated by partitioning the air taken in from the outside and the high-concentration oxygen generated by the nitrogen adsorption mechanism with a water-permeable film. And an oxygen concentrator that moves the moisture of the air of the dehumidifying mechanism to the high-concentration oxygen of the humidifying mechanism through the membrane.
  • the air taken in from the outside is dehumidified and then reacted by the catalyst, the amount of moisture that the catalyst adsorbs unnecessarily can be reduced. Thereby, the function of the catalyst is not lowered, and the efficiency of concentrating oxygen can be prevented from deteriorating by maintaining the amount of nitrogen that can be adsorbed by the catalyst.
  • the catalyst that adsorbs nitrogen contained in the air also adsorbs moisture, and examples thereof include zeolite.
  • the high-pressure air will affect the membrane.
  • a failure such as a hole opening due to deterioration of the membrane may occur, and the air taken in from outside and compressed may be sent out through the hole as it is. If a failure occurs during use, high-concentration oxygen that should be sent to the outside cannot be sent to the outside, which may lead to an accident involving human life.
  • the air taken in from the outside is dehumidified before being compressed, and the air taken in from the outside exerts less force on the film. For this reason, it is possible to prevent a failure such as a hole being opened due to deterioration of the film. If no failure occurs, there is no risk of an accident involving human life.
  • the speed of the air flowing through the dehumidifying mechanism is increased to make the air flow turbulent. can do. That is, the air flowing through the dehumidifying mechanism can be sufficiently stirred. Thereby, the volume per hour of the air which contacts a film
  • the present invention is also the oxygen concentrator of the above means, wherein the membrane has a shape in which a plurality of tubes are bundled, the air taken in from the outside, and the high-concentration oxygen generated by the nitrogen adsorption mechanism. One of these passes through the inside of the plurality of tubes, and the other passes through the outside of the plurality of tubes.
  • the area of the film per unit space can be increased.
  • membrane of the air taken in from the outside can be increased.
  • membrane of the high concentration oxygen sent out outside can be increased.
  • the film thickness becomes thin, and the strength may be weaker than when the film is a flat surface.
  • it adopts a structure that dehumidifies before compressing the air taken in from the outside, and the force exerted on the membrane by the air taken in from the outside is small, so even if the strength of the membrane is weak The effect of is less.
  • the air taken in from outside passes through the outside of the plurality of tubes, and the high-concentration oxygen generated by the nitrogen adsorption mechanism passes through the inside of the plurality of tubes. It is characterized by that.
  • the volume of oxygen in the air is about one-fifth of the whole, the volume of air taken in from the outside needs to be about five times the volume of high-concentration oxygen sent out to the outside.
  • the air taken in from the outside with a relatively large volume can pass the outer side of a some tube.
  • high concentration oxygen with a relatively small volume delivered to the outside can be passed through the inside of the plurality of tubes.
  • a tube can be made thin.
  • the number of tubes can be increased.
  • the area of the film per unit space can be increased.
  • the present invention is also characterized in that in the oxygen concentrator of the above means, the membrane is a non-porous membrane.
  • the present invention is also characterized in that in the oxygen concentrator of the above means, the membrane is Nafion (registered trademark) or Flemion (registered trademark).
  • the present invention is also characterized in that the oxygen concentrator of the above means is such that the pressure of the air in the dehumidifying mechanism is lower than the pressure of the high concentration oxygen in the humidifying mechanism.
  • the membrane has a shape in which a plurality of tubes are bundled, and the air (relatively low pressure) taken from the outside passes through the outside of the plurality of tubes, and the high concentration oxygen (relatively generated by the nitrogen adsorption mechanism) By allowing the high pressure to pass through the inside of the plurality of tubes, the tubes can be prevented from being crushed.
  • the present invention is also characterized in that the oxygen concentrator of the above means is used for medical treatment.
  • the present invention is also an oxygen concentrator used in medical treatment, a dehumidifying mechanism for dehumidifying air taken in from the outside, and a compression unit that is provided downstream of the dehumidifying mechanism and compresses the air dehumidified by the dehumidifying mechanism.
  • a humidifying mechanism that humidifies before being sent to the water, and the dehumidifying mechanism and the humidifying mechanism are configured to transmit water between the air taken in from the outside and the high-concentration oxygen generated by the nitrogen adsorption mechanism.
  • the oxygen concentrator is characterized in that oxygen having a concentration passes through the inside of the plurality of tubes.
  • the oxygen concentrator of the present invention it is possible to achieve an excellent effect that the efficiency of concentrating oxygen can be prevented from deteriorating.
  • FIG. 1 is a block diagram showing the configuration of the oxygen concentrator 1.
  • FIG. 2 is a perspective view of the dehumidifying / humidifying unit. In each drawing, a part of the configuration is omitted as appropriate, and the drawings are simplified.
  • a medical oxygen concentrator 1 shown in FIG. 1 is a device that supplies oxygen OXY to a patient, and concentrates the air AIR taken from outside to generate oxygen OXY having a high concentration (for example, about 90%).
  • the oxygen concentrator 1 includes an intake filter 10, a dehumidifying / humidifying unit 11, a compressor 12, a nitrogen adsorption mechanism 13, a tank 14, a valve 15, a control unit (not shown), and the like. I have.
  • the control unit includes a CPU, a RAM, a ROM, and the like, and executes various controls.
  • the CPU is a so-called central processing unit, and various programs are executed to realize various functions.
  • the RAM is used as a work area for the CPU.
  • the ROM stores a program executed by the CPU.
  • the intake filter 10 prevents dust or bacteria contained in the air AIR taken from outside from entering the inside.
  • the dehumidifying / humidifying unit 11 includes a dehumidifying mechanism 11a and a humidifying mechanism 11b.
  • the dehumidifying mechanism 11a and the humidifying mechanism 11b are integrated by being partitioned by a film 11c having water permeability and air permeability.
  • the film 11c is a non-porous film.
  • the membrane 11c is an ion exchange membrane. This membrane 11c employs Nafion (registered trademark) sold by DuPont (USA), DuPont (Chiyoda-ku, Tokyo), or Flemion (registered trademark) sold by Asahi Glass Co., Ltd. (Chiyoda-ku, Tokyo). can do.
  • Nafion (registered trademark) is a fluororesin copolymer based on sulfonated tetrafluoroethylene.
  • Flemion (registered trademark) is produced by hydrolysis after copolymerization of tetrafluoroethylene and a perfluoro vinyl ether containing a carboxylic acid group.
  • the film 11c enables exchange of moisture between the gas existing in the space constituting the dehumidifying mechanism 11a and the gas existing in the space constituting the humidifying mechanism 11b. As a result, moisture is transferred from the gas existing in the space constituting the dehumidifying mechanism 11a to the gas existing in the space constituting the humidifying mechanism 11b.
  • the dehumidifying mechanism 11 a is provided downstream of the intake filter 10.
  • the dehumidifying mechanism 11 a dehumidifies the air AIR taken from outside through the intake filter 10.
  • the dehumidifying mechanism 11a performs dehumidification so that the relative humidity becomes about 20% when the relative humidity of the air AIR taken from the outside is 20% or more and 80% or less.
  • the humidification mechanism 11 b is provided downstream of the valve 15. This humidifying mechanism 11b humidifies the high concentration oxygen OXY stored in the tank 14 before sending it out and supplying it to the patient.
  • the humidification mechanism 11b humidifies the high-concentration oxygen OXY to a relative humidity of about 60% to about 80%, for example.
  • the compressor 12 is provided downstream of the dehumidifying mechanism 11a.
  • the compressor 12 compresses the air AIR dehumidified by the dehumidifying mechanism 11a. That is, the compressor 12 generates a pressure difference between the upstream side and the downstream side.
  • the compressor 12 sets the air AIR of the dehumidifying mechanism 11a to a pressure lower than the atmospheric pressure, while setting the air AIR or oxygen OXY of the adsorption towers 13a and 13b to a pressure higher than the atmospheric pressure.
  • the pressure of the air AIR in the dehumidifying mechanism 11a is lower than the pressure of the high concentration oxygen OXY in the humidifying mechanism 11b.
  • the nitrogen adsorption mechanism 13 is provided downstream of the compressor 12.
  • the nitrogen adsorption mechanism 13 adsorbs nitrogen contained in the air AIR compressed by the compressor 12 to a catalyst (not shown) to generate high concentration oxygen OXY.
  • the nitrogen adsorption mechanism 13 includes a pair of adsorption towers 13a and 13b.
  • the pair of adsorption towers 13a and 13b are provided in parallel.
  • the pair of adsorption towers 13a and 13b is filled with a catalyst.
  • the catalyst also adsorbs moisture, and examples thereof include zeolite. For this reason, the high concentration oxygen OXY produced
  • the nitrogen adsorption mechanism 13 pressurizes one adsorption tower 13a or 13b, adsorbs nitrogen to the catalyst, and generates high concentration oxygen OXY. At this time, the nitrogen adsorption mechanism 13 depressurizes the other adsorption tower 13a or 13b to release nitrogen adsorbed on the catalyst, and prepares for the next pressurization. As described above, the nitrogen adsorption mechanism 13 alternately pressurizes and depressurizes the pair of adsorption towers 13a and 13b to generate high-concentration oxygen OXY.
  • the nitrogen adsorption mechanism 13 refer to Japanese Unexamined Patent Application Publication No. 2010-227517.
  • the tank 14 is provided downstream of the nitrogen adsorption mechanism 13.
  • the tank 14 stores high-concentration oxygen OXY generated by the nitrogen adsorption mechanism 13.
  • the valve 15 is provided downstream of the humidification mechanism 11b.
  • the valve 15 is opened and closed to turn on / off the supply of the high concentration oxygen OXY from the tank 14 to the dehumidifying mechanism 11b and to adjust the supply amount of the high concentration oxygen OXY.
  • the dehumidifying / humidifying unit 11 bundles a cylindrical chamber 20, an air inlet pipe 21, an air outlet pipe 22, an oxygen inlet pipe 23, an oxygen outlet pipe 24, and a plurality of tubes. And a pair of packings 25 and 26.
  • the chamber 20 is hermetically partitioned into three spaces 20a, 20b, and 20c by a pair of packings 25 and 26. These three spaces are arranged in the order of 20a, 20b, and 20c.
  • An oxygen inlet pipe 23 is connected to the space 20a.
  • One end of a plurality of tubes made of the film 11c is connected to the space 20a.
  • An air inlet pipe 21 and an air outlet pipe 22 are connected to the space 20b.
  • a plurality of tubes made of the film 11c are bridged between the pair of packings 25 and 26 in the space 20b.
  • the other end of the plurality of tubes made of the film 11c is connected to the space 20c.
  • An oxygen outlet pipe 24 is connected to the space 20c.
  • the air inlet pipe 21 guides the air AIR taken from outside through the intake filter 10 (see FIG. 1) to the space 20b.
  • the air outlet pipe 22 guides the air AIR dehumidified by the dehumidifying / humidifying unit 11 from the space 20b to the compressor 12 (see FIG. 1).
  • the oxygen inlet pipe 23 guides the high concentration oxygen OXY stored in the tank 14 (see FIG. 1) to the space 20a.
  • the oxygen outlet pipe 24 guides the high-concentration oxygen OXY humidified by the dehumidifying / humidifying unit 11 from the space 20c to an external patient.
  • a plurality of tubes made of the membrane 11c are so-called bundles of hollow fibers, and are spanned between a pair of packings 25 and 26, thereby connecting the spaces 20a and 20c on both sides of the space 20b to each other.
  • the film 11c having a shape in which a plurality of tubes are bundled guides the high concentration oxygen OXY guided to the space 20a by the oxygen inlet tube 23 to the space 20c.
  • membrane 11c which has the shape which bundled the some tube moves a water
  • membrane 11c is arrange
  • the oxygen concentrator 1 since the air AIR taken in from the outside is dehumidified and reacted with the catalyst, the amount of moisture that the catalyst adsorbs unnecessarily can be reduced. Thereby, the function of the catalyst is not deteriorated, and the efficiency of concentrating the oxygen OXY can be prevented from deteriorating by maintaining the amount of nitrogen that can be adsorbed by the catalyst.
  • the high-pressure air AIR affects the film 11c.
  • a failure such as a hole opening due to deterioration of the film 11c may occur, and the air taken in and compressed from the outside may be sent out through the hole as it is. If a failure occurs during use, high-concentration oxygen OXY that should be sent to the outside cannot be sent to the outside, which may lead to an accident involving human life.
  • the air AIR taken in from the outside is dehumidified before being compressed, and the force exerted on the film 11c by the air taken in from the outside is small. For this reason, it is possible to prevent a failure such as a hole opening due to deterioration of the film 11c. If no failure occurs, there is no risk of an accident involving human life.
  • the structure which moves moisture between the air AIR taken in from the outside and the high concentration oxygen OXY sent out to the outside is adopted, dehumidification and humidification can be performed by a series of flows. Thereby, the structure which discharges
  • the compressor 12 is arranged downstream of the dehumidifying mechanism 11a and the compressor 12 pulls the air AIR from the outside, the speed of the air AIR flowing through the dehumidifying mechanism 11a is increased, and the air The AIR flow can be made turbulent. That is, the air AIR flowing through the dehumidifying mechanism 11a can be sufficiently stirred. Thereby, the volume per hour of the air AIR contacting the film 11c can be increased, and humidification of the high concentration oxygen OXY on the opposite side of the film 11c can be promoted. That is, it is possible to increase the amount of moisture that moves from the air AIR taken from the outside to the high-concentration oxygen OXY on the opposite side of the membrane 11c. As a result, dehumidification of the air AIR taken from the outside can be promoted.
  • the film 11c has a shape in which a plurality of tubes are bundled, the area of the film 11c per unit space can be increased. Thereby, the volume amount which contacts the film
  • the film thickness becomes thin, and the strength may be weaker than when the film 11c is a flat surface.
  • the structure in which the air AIR taken in from the outside is dehumidified before being compressed, and the force exerted on the film 11c by the air AIR taken in from the outside is small, so that the strength of the film 11c is weak.
  • the effect of this is small.
  • the volume of oxygen in the air AIR is about one-fifth of the entire volume
  • the volume of the air AIR taken from outside requires about five times the volume of the high-concentration oxygen OXY sent out to the outside.
  • the air AIR taken in from the outside having a relatively large volume can be passed outside the plurality of tubes.
  • oxygen OXY of high concentration sent out to the outside with a relatively small volume can be passed through the inside of a plurality of tubes.
  • a tube can be made thin.
  • the number of tubes can be increased.
  • the area of the film 11c per unit space can be increased.
  • the pressure of the air AIR in the dehumidifying mechanism 11a is lower than the pressure of the high-concentration oxygen OXY in the humidifying mechanism 11b, the humidifying mechanism 11b even if a hole is opened in the film 11c.
  • the oxygen OXY in the high concentration leaks into the dehumidifying mechanism 11a, but the air AIR in the dehumidifying mechanism 11a does not leak into the humidifying mechanism 11b (short circuit) and is supplied to the patient.
  • the membrane 11c has a shape in which a plurality of tubes are bundled, and the air AIR (relatively low pressure) taken from the outside passes through the outside of the plurality of tubes, and high-concentration oxygen (relative) generated by the nitrogen adsorption mechanism. Therefore, it is possible to prevent the tubes from being crushed.
  • the position, size (dimension), shape, material, orientation, and quantity of each component can be changed as appropriate.
  • the nitrogen adsorption mechanism 13 includes a pair of adsorption towers 13a and 13b has been described as an example.
  • the number of adsorption towers of the present invention is not limited, and even if there is only one It may be.
  • suction mechanism 13 is not limited, Any systems, such as a PSVA system, a PVA system, and a SVA system, may be sufficient.
  • membrane 11c had the shape which bundled the several tube was demonstrated to the example
  • membrane of this invention is not limited to this.
  • the film of the present invention only needs to be able to partition between air taken in from the outside and high-concentration oxygen generated by the nitrogen adsorption mechanism 13, and may have a planar shape or other shapes.
  • the film 11c may be a single sheet or a stack of a plurality of sheets. That is, the film 11c may be wound concentrically.
  • membrane 11c has water permeability and air permeability
  • membrane of this invention should just have water permeability at least, and has air permeability. There is no need to be.
  • the high-concentration oxygen OXY in the humidification mechanism 11b leaks to the dehumidification mechanism 11a, it is necessary to generate the high-concentration oxygen OXY so that the amount supplied to the outside and supplied to the patient is not insufficient.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Drying Of Gases (AREA)

Abstract

L'invention concerne un dispositif de concentration d'oxygène (1) qui comprend : un mécanisme de déshumidification (11a) qui déshumidifie l'air (AIR) qui provient de l'extérieur ; un compresseur (12) qui est disposé en aval du mécanisme de déshumidification (11a) et comprime l'air (AIR) qui est déshumidifié à l'aide du mécanisme de déshumidification (11a) ; un mécanisme d'adsorption d'azote (13) qui adsorbe l'azote compris dans l'air (AIR) qui est comprimé à l'aide du compresseur (12) dans un catalyseur, et génère de l'oxygène à forte concentration (OXY) ; et un mécanisme d'humidification (11b) qui humidifie l'oxygène à forte concentration (OXY) qui est généré à l'aide du mécanisme d'adsorption d'azote (13) avant la décharge dudit oxygène à forte concentration (OXY) à l'extérieur. Le mécanisme de déshumidification (11a) et le mécanisme d'humidification (11b) sont formés d'une seule pièce avec une membrane perméable à l'eau (11c) séparant l'air (AIR) qui provient de l'extérieur et l'oxygène à forte concentration (OXY) qui est généré à l'aide du mécanisme d'adsorption d'azote (13), et la teneur en humidité de l'air (AIR) du mécanisme de déshumidification (11a) se déplace dans l'oxygène à forte concentration (OXY) du mécanisme d'humidification (11b) par l'intermédiaire de la membrane (11c).
PCT/JP2014/061943 2013-08-01 2014-04-30 Dispositif de concentration d'oxygène WO2015015852A1 (fr)

Applications Claiming Priority (2)

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JP2013-160534 2013-08-01
JP2013160534A JP5499265B1 (ja) 2013-08-01 2013-08-01 酸素濃縮装置

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WO2015015852A1 true WO2015015852A1 (fr) 2015-02-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206628A1 (fr) * 2020-04-06 2021-10-14 ResMed Asia Pte. Ltd. Concentrateur d'oxygène avec gestion d'humidité
US11951260B2 (en) 2020-01-21 2024-04-09 Wearair Ventures, Inc. Efficient enriched oxygen airflow systems and methods

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015187039A1 (fr) * 2014-06-03 2015-12-10 Fisher & Paykel Healthcare Limited Mélangeurs d'écoulement pour des systèmes de thérapie respiratoire
RU188323U1 (ru) * 2018-11-26 2019-04-08 Публичное акционерное общество "Аквасервис" Устройство регулирования дыхательной атмосферы в помещении

Citations (2)

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Publication number Priority date Publication date Assignee Title
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JP2004209418A (ja) * 2003-01-07 2004-07-29 Nok Corp 中空糸膜モジュール

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