WO2019194575A1 - Dispositif d'alimentation en gaz et procédé de fonctionnement de celui-ci - Google Patents

Dispositif d'alimentation en gaz et procédé de fonctionnement de celui-ci Download PDF

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Publication number
WO2019194575A1
WO2019194575A1 PCT/KR2019/003944 KR2019003944W WO2019194575A1 WO 2019194575 A1 WO2019194575 A1 WO 2019194575A1 KR 2019003944 W KR2019003944 W KR 2019003944W WO 2019194575 A1 WO2019194575 A1 WO 2019194575A1
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WIPO (PCT)
Prior art keywords
gas
nitrogen
oxygen
providing
air
Prior art date
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PCT/KR2019/003944
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English (en)
Korean (ko)
Inventor
이영무
이원희
김주성
성종근
Original Assignee
한양대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from KR1020190038644A external-priority patent/KR102229346B1/ko
Application filed by 한양대학교 산학협력단 filed Critical 한양대학교 산학협력단
Publication of WO2019194575A1 publication Critical patent/WO2019194575A1/fr

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection

Definitions

  • the present invention relates to a gas providing device and a method of operating the gas providing device, and more particularly, to a gas providing device and a method of operating the gas providing device for providing a high gas flow rate and a high purity gas with a small capacity compressor.
  • high purity nitrogen is used to maintain food freshness. In other words, by keeping the food in a high concentration nitrogen atmosphere to prevent the progress of oxidation.
  • the inventors of the present invention have invented a gas providing device and a method of operating the gas providing device that have solved a comprehensive technical problem such as gas separation efficiency, noise problem, gas separation speed, and miniaturization.
  • One technical problem to be solved by the present invention is to provide a gas providing device and a method of operating the gas providing device having a high nitrogen gas flow rate and high nitrogen purity.
  • Another technical problem to be solved by the present invention is to provide a gas providing device and a method of operating the gas providing device having a high oxygen gas flow rate and high oxygen purity.
  • Another technical problem to be solved by the present invention is to provide a gas providing device and a method of operating the gas providing device driven by a low-capacity compressor.
  • Another technical problem to be solved by the present invention is to provide a gas providing device and a method of operating the gas providing device for recirculating high purity gas.
  • the technical problem to be solved by the present invention is not limited to the above.
  • the gas separation unit for separating the oxygen and nitrogen in the source air (source air); And a housing in which the gas separator is seated, wherein the housing is separated by an air inlet through which source air is introduced, an oxygen outlet through which oxygen enriched gas separated by the gas separator is discharged, and the gas separator. And a nitrogen outlet through which nitrogen enriched gas is discharged, and a positive pressure is applied to the air inlet, and at the same time the negative pressure is applied to at least one outlet of the oxygen outlet or the nitrogen outlet. Can be applied.
  • the apparatus may further include a first compressor providing the positive pressure and a second compressor providing the sound pressure.
  • the oxygen concentration of the oxygen enrichment gas is higher than the oxygen concentration of the source air
  • the nitrogen concentration of the nitrogen enrichment gas may be higher than the nitrogen concentration of the source air
  • the nitrogen outlet is in communication with the food reservoir, the nitrogen enrichment gas may be provided to the food reservoir.
  • the oxygen concentrated gas discharged from the oxygen outlet may be provided to the respiratory organ.
  • the gas separation unit may be formed of a plurality of hollow fibers or spiral-wound type separation membrane.
  • control apparatus may further include a controller configured to control at least one of the positive pressure and the negative pressure according to whether the source air introduced into the air inlet is re-introduced after passing through the gas separation unit.
  • the source air flowing into the air inlet is first introduced into the gas separating unit.
  • the gas providing apparatus for reducing the magnitude of at least one of the positive pressure and the negative pressure.
  • Method of operation of the gas providing apparatus providing a source air at a positive pressure to the air inlet located in the inlet end of the gas separation unit for separating oxygen and nitrogen; At the same time as providing the source air at the positive pressure, providing a negative pressure at the outlet end of the gas separator; And providing at least one concentrated gas of an oxygen concentrated gas and a nitrogen concentrated gas separated by the gas separation unit.
  • the providing of the concentrated gas may include providing the nitrogen concentrated gas to a food storage, and further comprising recycling the nitrogen concentrated gas provided to the food storage back to the gas separation unit. can do.
  • the providing of the concentrated gas may provide the oxygen concentrated gas to a respiratory organ.
  • the method may further include controlling the magnitude of at least one of the positive pressure and the negative pressure according to whether the source air provided to the gas separation part has re-introduced after passing through the gas separation part.
  • the source air flowing into the air inlet is separated first.
  • the positive pressure applied to the inlet end of the gas separation unit and the negative pressure applied to the outflow end of the gas separation unit may include a step.
  • the nitrogen / oxygen concentration of the source air passing through the gas separation unit may be increased by the positive pressure by the step of providing the source air and the negative pressure by the step of providing the negative pressure.
  • the gas separation unit for separating the oxygen and nitrogen in the source air (source air); And a housing in which the gas separator is seated, wherein the housing is separated by an air inlet through which source air is introduced, an oxygen outlet through which oxygen enriched gas separated by the gas separator is discharged, and the gas separator. And a nitrogen outlet through which nitrogen enriched gas is discharged, and a positive pressure is applied to the air inlet, and at the same time the negative pressure is applied to at least one outlet of the oxygen outlet or the nitrogen outlet. Can be applied.
  • the absolute pressure of the positive and negative pressures can be minimized while maintaining the quality of gas separation, the size of the compressor can be minimized and the noise can be minimized.
  • FIG. 1 is a view for explaining a gas providing apparatus according to an embodiment of the present invention.
  • FIG. 2 is a view for explaining a gas separation module according to an embodiment of the present invention.
  • FIG 3 is a view for explaining a method of operating the gas providing apparatus according to an embodiment of the present invention.
  • FIG. 4 is a view for explaining a gas providing apparatus according to a first application example of the present invention.
  • FIG. 5 is a view for explaining a gas providing apparatus according to a first modified example of the first application example of the present invention.
  • FIG. 6 is a view for explaining a gas providing apparatus according to a second modified example of the first application example of the present invention.
  • FIG. 7 is a view for explaining a method of operating a gas providing apparatus according to a second modified example of the first application example of the present invention.
  • FIG. 8 is a view for explaining a gas providing apparatus according to a second application example of the present invention.
  • first, second, and third are used to describe various components, but these components should not be limited by these terms. These terms are only used to distinguish one component from another. Thus, what is referred to as a first component in one embodiment may be referred to as a second component in another embodiment.
  • first component in one embodiment may be referred to as a second component in another embodiment.
  • second component in another embodiment.
  • Each embodiment described and illustrated herein also includes its complementary embodiment.
  • the term 'and / or' is used herein to include at least one of the components listed before and after.
  • connection is used herein to mean both indirectly connecting a plurality of components, and directly connecting.
  • the gas separation apparatus may separate oxygen / nitrogen from source air at high gas flow rate and high purity. Accordingly, it is possible to improve the food preservation environment by applying to a field of application requiring a high concentration of nitrogen gas, for example, a food storage. In addition, it is possible to improve the respiratory environment by applying to applications that require a high concentration of oxygen gas, for example, body respiratory products.
  • a high concentration of nitrogen gas for example, a food storage.
  • a high concentration of oxygen gas for example, body respiratory products.
  • FIG. 1 is a view for explaining a gas providing apparatus according to an embodiment of the present invention
  • Figure 2 is a view for explaining a gas separation module according to an embodiment of the present invention.
  • a gas providing apparatus may include a gas separation module 110.
  • the gas separation module 110 may perform a function of selectively separating nitrogen and oxygen from the source air SA.
  • the gas separation module 110 may include a gas separation unit 118 and a housing 102 on which the gas separation unit 118 is seated.
  • the gas separator 118 may have a structure in which a plurality of hollow fibers are aggregated in the longitudinal direction.
  • the gas separation unit 118 may have a structure in which tens, hundreds or thousands of hollow yarns are aggregated.
  • the number of hollow yarns is only one example and is not limited now.
  • the hollow fiber may separate nitrogen and oxygen by using a partial pressure difference phenomenon of gas.
  • oxygen specifically oxygen molecules
  • nitrogen specifically nitrogen molecules.
  • oxygen may have a higher gas permeability than nitrogen.
  • nitrogen having a low gas permeability can pass hollow fibers in the longitudinal direction more than oxygen having a high gas permeability. Therefore, the hollow fiber can separate the oxygen enriched gas (OA) and the nitrogen concentrated gas (NA) from the source air SA.
  • OA oxygen enriched gas
  • NA nitrogen concentrated gas
  • the gas separation unit is a gas separation obtained from polysulfone series, polyether sulfone series, polyimide series, polyamide series, cellulose acetate series, polycarbonate series, perfluorinated polymer series, PEBAX series and / or polymers derived therefrom It may include wealth.
  • a polymer used in Application No. 10-2015-0026654 No. 10-2013-0139215 or 10-2013-0139213 and the like can be used.
  • the gas separation unit is not limited to the above-mentioned polymer, and may include a polymer that can be expected by those skilled in the art.
  • the hollow yarn may be made of a thermally rearranged polymer. More specifically, the hollow fiber may have a structure in which the polyimides containing ortho-positioned functional groups (PIOFG) are rearranged at a temperature of 350 to 450 degrees.
  • PIOFG polyimides containing ortho-positioned functional groups
  • the hollow yarn comprises a polymer derived from a porous organic polymer, polyimide, the polyimide is prepared from aromatic diamine and dianhydride containing at least one functional group present in the ortho position relative to the amine group
  • the polyimide-poly (hydroxyimide) copolymer which is a repeating unit and a precursor, may be a polyimide-polybenzoxazole copolymer prepared by a simple heat treatment to undergo a thermal rearrangment reaction.
  • the gas separator 118 may be a spiral-wound separator module.
  • the gas separation unit 118 is assumed to be a hollow fiber bundle.
  • the housing 102 may provide a space in which the gas separator 118 is seated therein, the air inlet 112 receiving the source air SA into the gas separator 118, the source air ( It may include at least one of the oxygen outlet 114 for outflowing the oxygen enriched gas (OA) separated from the SA) and the nitrogen outlet (116) for outflowing the nitrogen concentrated gas (NA) separated from the source air (SA). .
  • the air inlet 112 may be located at one end of the gas separator 118, and the nitrogen outlet 116 may be located at the other end of the gas separator 118.
  • the oxygen outlet 114 may be located at one side of the gas separation unit 118.
  • the air inlet 112 is located at one side of the gas separation unit 118
  • the oxygen outlet 114 is located at one end of the gas separation unit 118
  • the nitrogen outlet ( 116 may be located on one side of the gas separation unit 118.
  • the housing 102 has the structure shown in FIG. 2.
  • a source air passage 120 through which source air SA is introduced may be provided to the air inlet 112 of the gas separation module 110. That is, the source air SA may be introduced into the air inlet 112 through the source air passage 120.
  • a first compressor 122 may be provided on the source air passage 120.
  • the first compressor 122 may provide a positive pressure so that the source air SA may be introduced into the air inlet 112 at a high pressure.
  • the positive pressure may refer to a reference pressure, for example, a pressure higher than atmospheric pressure.
  • Source air SA may be introduced into the air inlet 112 in a compressed state by the first compressor 122. Therefore, since the source air SA may be provided to the gas separator 118 in a compressed state, nitrogen and oxygen may be separated smoothly.
  • One end of the oxygen outlet 114 may be provided with an oxygen passage 130 through which the oxygen enriched gas (OA) flows out.
  • one end of the nitrogen outlet 116 may be provided with a nitrogen flow path 140 through which the nitrogen enriched gas NA flows out.
  • At this time, at least one outlet of the oxygen outlet 114 and the nitrogen outlet 116 may be provided with a second compressor 132.
  • the second compressor 132 may provide a negative pressure to allow the air in the gas separator 118 to flow out.
  • the negative pressure may refer to a reference pressure, for example, a pressure lower than atmospheric pressure.
  • the second compressor 132 is provided at the oxygen outlet 114 as shown in FIG. 1.
  • Gas flow rate and gas purity may be improved by the first compressor 122 at the stage of the air inlet 112 and the second compressor 132 at the stage of the oxygen outlet 114. That is, the oxygen outlet 114 can provide a higher flow rate of high purity oxygen gas, and the nitrogen outlet 116 can provide a higher flow rate of high purity nitrogen gas. Detailed description thereof will be described later with reference to experimental data.
  • the gas providing apparatus has been described above with reference to FIGS. 1 and 2.
  • an operation method of a gas providing apparatus according to an exemplary embodiment of the present invention will be described with reference to FIG. 3.
  • FIG. 3 is a view for explaining a method of operating the gas providing apparatus according to an embodiment of the present invention.
  • An operation method of a gas providing apparatus according to an exemplary embodiment of the present disclosure described with reference to FIG. 3 may be implemented by a gas providing apparatus according to an exemplary embodiment described above with reference to FIGS. 1 and 2.
  • FIGS. 1 and 2 Of course.
  • the operation method of the gas providing apparatus providing a source air at a positive pressure to the air inlet located at the inlet end of the gas separation unit for separating oxygen and nitrogen (S100), Simultaneously providing the source air at the positive pressure, providing a negative pressure to the outlet end of the gas separation unit (S110) and at least one concentrated gas of the oxygen concentration gas and nitrogen concentrated gas separated by the gas separation unit It may include at least one step of providing (S120). Each step will be described below.
  • source air SA may be provided to the gas separator 118.
  • the first compressor 122 may compress external air and provide the compressed air to the air inlet 112 of the gas separation module 110. Accordingly, positive pressure source air SA may be provided to the gas separation unit 118.
  • the source air SA may be separated into an oxygen concentration gas OA and a nitrogen concentration gas NA while passing through the gas separation unit 118.
  • the negative pressure may be applied to the oxygen outlet 114 by the second compressor 132 according to step S110. That is, the positive pressure and the negative pressure may be provided to the gas separation unit 118 at the same time.
  • the negative pressure is applied inside the gas separator 118 by the second compressor 132, the pressure difference between the oxygen outlet 114 of the gas separator 118 and the air inlet 112 of the gas separator 118.
  • the pressure ratio may increase.
  • high nitrogen gas flow rate and high nitrogen purity in the source air SA are separated into oxygen enrichment gas (OA) and nitrogen enrichment gas (NA). can do.
  • OA oxygen enrichment gas
  • NA nitrogen enrichment gas
  • the nitrogen concentrated gas NA and the oxygen concentrated gas OA separated from the source air SA by the gas separation unit 118 may be provided.
  • nitrogen enriched gas (NA) may be provided for food to maintain freshness
  • oxygen enriched gas (OA) may be provided for a comfortable breathing environment. .
  • a gas separation part was prepared in which 40 strands of 15 cm hollow fiber were bundled.
  • the air pressure means the magnitude of the positive pressure provided by the first compressor, but means a relative value of atmospheric pressure.
  • penetration pressure means the magnitude of the sound pressure provided by the second compressor, but means a relative value of atmospheric pressure.
  • the nitrogen concentration may increase as the magnitude of the positive pressure through the first compressor to 5, 7, 10barg.
  • size issues and noise issues cannot be avoided in order to increase the capacity of the first compressor.
  • the gas providing apparatus of the present invention by introducing a second compressor while minimizing the capacity of the first compressor, it is possible to minimize the noise caused while minimizing the space occupied by the compressors.
  • the pressure ratio may be greatly increased.
  • the high pressure ratio is an important design consideration, considering that the higher pressure ratio increases the efficiency of nitrogen and oxygen separation through the gas separation.
  • the comparative example since only the first compressor is driven, there is a limit to increasing the pressure ratio, and when the size of the positive pressure is increased by increasing the pressure ratio, the size issue and the noise issue of the compressor may approach a large problem.
  • the present invention by introducing the second compressor, it is possible to provide a high pressure ratio even when the positive pressure of the first compressor is lowered, and design freedom is generated from the capacity of the first compressor, thereby providing advantages of small size and low noise. It is.
  • the present invention can provide the effect of providing a high gas flow rate and high gas purity while eliminating the problems caused by the compressor.
  • providing a negative pressure to the second compressor provides a unique effect in terms of high gas purity as well as high gas flow rate.
  • the filling time of achieving the food storage filling rate is 90% nitrogen.
  • the case was expected to be extremely long, at 4,324 minutes. That is, it can be seen that it is extremely difficult to implement a gas providing device with a small compressor of 2 barg capacity.
  • the positive pressure of 2 barg was provided by the first compressor of the experimental example and the negative pressure of -0.5 barg by the second compressor, it was predicted that the time to achieve the food storage filling rate was significantly reduced to about 1 hour in the case of 90% of nitrogen. .
  • the time required to achieve a food storage filling rate was 22 minutes in a 90% nitrogen atmosphere and was impossible to measure in a 95% nitrogen atmosphere. It was expected to take a long time.
  • the first compressor provided in the experimental example provided a positive pressure of 5 barg
  • the second compressor provided a negative pressure of -0.5 barg
  • the food storage filling time was 17 minutes at 90% nitrogen.
  • the 95% nitrogen atmosphere was expected to decrease significantly to 39 minutes.
  • the time required to achieve a food storage filling rate was 10 minutes in a 90% nitrogen atmosphere and 23 minutes in a 95% nitrogen atmosphere. It was expected.
  • the positive pressure of 5 barg is provided by the first compressor of the Experimental Example
  • the negative pressure of -0.5 barg is provided by the second compressor, and an air flow rate of 7,520 sccm is achieved
  • 9 minutes is achieved when the food storage filling rate is 90% of nitrogen.
  • a 95% nitrogen atmosphere was expected to decrease significantly to 19 minutes.
  • the application of the second compressor for providing a negative pressure at the outlet stage does not simply provide additional pressure, but increases the degree of freedom of selection of the first compressor so that the first compressor having a lower capacity can be used. Can be. That is, even if the first compressor has a low capacity, the second compressor can provide a high pressure ratio, thereby improving gas flow rate and gas purity. Accordingly, the size and noise issues associated with the use of high capacity compressors can be solved.
  • the first utilization example and its modifications are examples utilizing the nitrogen enrichment gas obtained from the gas providing apparatus
  • the second utilization example and its modifications are examples utilizing the oxygen enrichment gas obtained from the gas providing apparatus.
  • FIG. 4 is a view for explaining a gas providing apparatus according to a first application example of the present invention.
  • the gas providing apparatus may improve the freshness of food by providing a nitrogen concentration gas (NA) to the food storage 210.
  • NA nitrogen concentration gas
  • the other end of the nitrogen passage 140 of the gas separation apparatus illustrated in FIG. 1 may communicate with the food storage 210. That is, the nitrogen concentrated gas NA discharged from the nitrogen outlet 116 may be provided to the food storage 210 through the nitrogen passage 140.
  • the food reservoir 210 may be provided with a nitrogen concentration gas (NA) from the nitrogen outlet 116 to perform a function of preserving food in a high concentration nitrogen atmosphere.
  • NA nitrogen concentration gas
  • the food storage 210 may be provided in the refrigerator 200, or may be provided in a food storage room of another type other than the refrigerator.
  • FIG. 5 is a view for explaining a gas providing apparatus according to a first modified example of the first application example of the present invention.
  • the first modified example of the first use example of the present invention is different from the first use example in that the high concentration nitrogen gas in the food reservoir 210 is supplied back to the gas separation module 110 again.
  • the first modified example of the first use example of the present invention is the opening of the food storage 210 after the nitrogen enriched gas NA separated by the gas separation module 110 is provided to the food storage 210. Due to this, the nitrogen concentration of the food storage 210 is higher than the atmospheric state, but is considered to be lower than immediately after passing through the gas separation module 110.
  • NA nitrogen concentration gas
  • the food storage 210 may further include a recirculation outlet 202 for outflowing air from the food storage 210. That is, the concentrated nitrogen gas provided from the gas separation module 110 to the food storage 210 may be discharged through the recycle outlet 202.
  • the recycle outlet 202 may communicate with the recycle passage 220.
  • the recirculation flow path 220 may provide a path through which the nitrogen concentrated gas NA of the food storage 210 is discharged.
  • the antibacterial filter 150 may be provided on the recirculation passage 220.
  • the germicidal filter 150 may perform a function of sterilizing harmful substances generated in the respiration process of the food in the food reservoir 210.
  • One end of the recirculation flow path 220 may be provided with a source air selection valve 160.
  • the source air selection valve 160 may perform a function of providing the first compressor 122 with the outside air EA supplied from the outside of the refrigerator and the recirculating air RA passing through the bactericidal filter 150.
  • the nitrogen enriched gas (NA) which was provided to the food reservoir 210, may pass through the gas separation module 110 again and then be supplied to the food reservoir 210 again with a higher nitrogen concentration.
  • FIG. 6 is a view for explaining a gas providing apparatus according to a second modified example of the first use example of the present invention
  • Figure 7 illustrates a method of operating the gas providing apparatus according to a second modified example of the first use example of the present invention. It is a figure for following.
  • the second modified example of the present invention will be described based on the difference, in that the controller is added in the first modified example described above.
  • the gas providing apparatus may further include a controller 180.
  • the controller 180 may control each component.
  • the control unit 180 is the oxygen outlet 114 according to whether the air flowing into the air inlet 112 is already a concentrated gas, for example, nitrogen enriched gas that has passed through the gas separation unit 118. You can determine whether or not to apply sound pressure to).
  • the controller 180 may control a negative pressure amount to be applied to the oxygen outlet 114 if the air flowing into the air inlet 112 is a nitrogen enriched gas that has already passed through the gas separator 118. have.
  • control unit 180 may determine the type of source air in providing source air to the gas separation unit at a positive pressure (S200).
  • the controller 180 senses an operation of the source air selection valve 160 to determine whether high concentration nitrogen is recycled from the food storage 210 to the air inlet 112 or whether the outside air is introduced to the air inlet 112. Can be determined. According to the determination result, the controller 180 may control the driving of the second compressor 132 at the stage of the oxygen outlet 114 (S220).
  • the controller 180 determines that outside air is introduced into the air inlet 112
  • the controller 180 applies strong positive and negative pressures through the first and second compressors 122 and 132 (S220, first control).
  • the weak positive pressure and the negative pressure are applied through the first and second compressors 122 and 132 (S222 and the second control). can do.
  • FIG. 8 is a view for explaining a gas providing apparatus according to a second application example of the present invention.
  • the gas providing apparatus according to the second application example of the present invention may be provided in an air purifier to provide an oxygen concentrated gas.
  • the gas separation module 110 may be provided inside, for example, one side of the air purifier. Accordingly, the gas separation module 110 may provide the oxygen concentration gas OA in the source air SA through the oxygen flow path 130.
  • the oxygen concentrating gas of the oxygen flow path 130 may be provided through the OA shown in the air purifier on the left side of FIG. 8.
  • a compressor already mounted in an air purifier may serve as the first or second compressors 122 and 132.
  • the source air SA may pass through the nonwoven filter and then pass through the gas separator 118.
  • a pretreatment filter may be provided in the air purifier according to the utilization example.
  • the pretreatment filter may include at least one of a HEPA filter, an anion filter, an antibacterial filter, and an antibacterial filter.
  • the pretreatment filter may be provided at the inlet side or the outlet side of the first compressor 122 into which the source air is introduced.
  • the pretreatment filter comprises a HEPA filter, it may help to remove fine dust (including ultrafine dust) contained in the air.
  • the gas providing device may be provided in the air conditioner to provide the oxygen enriched gas.
  • Gas separation module 110 may be provided in one side of the air conditioner, for example, inside the outdoor unit. Accordingly, the gas separation module 110 may provide the oxygen concentrating gas OA through the indoor air cool air outlet through a pipe connecting the outdoor unit to the indoor unit.
  • the compressor already mounted on the outdoor unit of the air conditioner may serve as the first or second compressors 122 and 132. That is, since the compressor mounted on the air conditioner may be used as the compressor of the gas separation module 110, the functional expansion of the oxygen enriched gas may be achieved while minimizing hardware additional elements.
  • the gas separation module 110 utilizes the compressor of the outdoor unit as the first or second compressors 122 and 132, the compressor is located outdoors, and thus the problem of noise may be more recently solved.
  • gas separation module 110 may be mounted on the outdoor unit of the air conditioner, but may also be mounted on the indoor unit.
  • a pre-treatment filter may be provided in the air conditioner according to the utilization example.
  • the pretreatment filter may include at least one of a HEPA filter, an anion filter, and an antibacterial filter.
  • the pretreatment filter may be provided at the inlet side or the outlet side of the first compressor 122 into which the source air is introduced.
  • the pretreatment filter comprises a HEPA filter, it may help to remove fine dust (including ultrafine dust) contained in the air.
  • the gas providing device may be provided in the bed to provide the oxygen enriched gas.
  • Gas separation module 110 may be provided on one side of the bed, for example, the head.
  • Oxygen concentrated gas (OA) purified through the gas separation module 110 may be provided in the direction of the head of the person.
  • the two compressors respectively provide the positive pressure and the negative pressure to the gas separation unit at the same time, thereby providing a high flow rate and high purity oxygen concentration gas even at a small positive pressure and a small negative pressure. This can provide high utilization suitability in beds where low noise driving is essential.
  • the gas providing device may be provided in the massage device to provide the oxygen enriched gas.
  • Gas separation module 110 may be provided on one side of the massage device.
  • Oxygen concentrated gas (OA) purified through the gas separation module 110 may be provided in the direction of the head of the person.
  • the two compressors provide the positive and negative pressures to the gas separation unit at the same time, thereby providing a high flow rate and high purity oxygen enriched gas even at a small positive pressure and a small negative pressure.
  • the two compressors provide the positive and negative pressures to the gas separation unit at the same time, thereby providing a high flow rate and high purity oxygen enriched gas even at a small positive pressure and a small negative pressure.
  • the gas providing apparatus according to an embodiment of the present invention in addition to the massage device may be applied to the oxygen room where the person can take a rest.
  • the gas providing device may be provided in the helmet to provide the oxygen enriched gas.
  • Gas separation module 110 may be provided on one side of the helmet. Oxygen concentrated gas (OA) purified through the gas separation module 110 may be provided in the face direction.
  • OA Oxygen concentrated gas
  • the two compressors respectively provide a positive pressure and a negative pressure to the gas separator at the same time, thereby providing a high flow rate and high purity oxygen enriched gas even with small size compressors. Accordingly, since the gas separation module according to an embodiment of the present invention may be mounted in a small installation space, the gas separation module may have high suitability for use in a mobile device such as a helmet.
  • the gas providing apparatus may be provided in the bicycle to provide the oxygen enriched gas.
  • Gas separation module 110 may be provided on one side of the bicycle. Oxygen concentrated gas (OA) purified through the gas separation module 110 may be provided in the face direction.
  • OA Oxygen concentrated gas
  • the two compressors provide the positive and negative pressures to the gas separation unit at the same time, thereby providing a high flow rate and high purity oxygen enriched gas even with small size compressors. Accordingly, the gas separation module according to the embodiment of the present invention can minimize the installation space, and thus can have a high utilization suitability for a bicycle.
  • the gas providing device may be used for the decanting of the wine. If aeration is performed before drinking wine, the wine may taste better in contact with air and wine. That is, by providing the oxygen enriched gas generated by the gas providing apparatus according to an embodiment of the present invention to wine, it is possible to achieve contact between the air and the oxygen enriched gas.
  • the second compressor 132 is provided at the oxygen outlet 114, but, alternatively, the second compressor 132 may be provided at the nitrogen outlet 116. to be.
  • the oxygen concentrating gas which has already passed through the gas separation unit 118 may be provided to the first compressor 122 at the air inlet side so that the oxygen concentrating gas may be reused in the second use example and modified examples thereof.
  • a recirculation outlet 202 and a source air selection valve 160 may be provided.
  • the second utilization example and modifications thereof further include a control unit 180, and the control unit may further include a second compressor 132 according to whether or not the concentrated gas passed through the gas separation unit 118, for example, an oxygen concentrated gas. ) Can determine whether to apply the sound pressure or how much. For example, when the controller 180 determines that outside air is introduced into the air inlet 112, the controller 180 applies strong positive and negative pressures through the first and second compressors 122 and 132 (first control), and When it is determined that the concentration oxygen is recycled and introduced into the air inlet 112, the weak positive pressure and the negative pressure may be applied (second control) through the first and second compressors 122 and 132.
  • variations of the second use example other than the air conditioner may also include a pretreatment filter.
  • the pretreatment filter may include at least one of a HEPA filter, an anion filter, an antibacterial filter, and an antibacterial filter.
  • the pretreatment filter may include a source air introduced therein. It may be provided at the inlet or outlet side of the first compressor (122).
  • the pretreatment filter comprises a HEPA filter, it may help to remove fine dust (including ultrafine dust) contained in the air. There is an advantage in that it is possible to provide a purified oxygen enriched gas.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Un dispositif d'alimentation en gaz selon un mode de réalisation de la présente invention comprend : une section de séparation de gaz pour séparer l'oxygène et l'azote dans l'air source; et un boîtier dans lequel la section de séparation de gaz est placée, le boîtier comprenant : une entrée d'air à travers laquelle s'écoule l'air source; une sortie d'oxygène à travers laquelle s'écoule un gaz enrichi en oxygène séparé par la section de séparation de gaz; et une sortie d'azote à travers laquelle s'écoule un gaz enrichi en azote séparé par la section de séparation de gaz, une pression positive étant appliquée à l'entrée d'air, et une pression négative peut être appliquée à la sortie d'oxygène et/ou à la sortie d'azote simultanément à l'application de la pression positive.
PCT/KR2019/003944 2018-04-05 2019-04-03 Dispositif d'alimentation en gaz et procédé de fonctionnement de celui-ci WO2019194575A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0039514 2018-04-05
KR20180039514 2018-04-05
KR1020190038644A KR102229346B1 (ko) 2018-04-05 2019-04-02 가스 제공 장치 및 가스 제공 장치의 동작방법
KR10-2019-0038644 2019-04-02

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WO2019194575A1 true WO2019194575A1 (fr) 2019-10-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002326807A (ja) * 2001-05-07 2002-11-12 Nishishiba Electric Co Ltd 窒素及び酸素発生装置
JP2003287360A (ja) * 2002-03-27 2003-10-10 Toshiba Corp 貯蔵庫
JP2009174725A (ja) * 2008-01-22 2009-08-06 Hitachi Appliances Inc 冷蔵庫
KR20100017660A (ko) * 2007-05-07 2010-02-16 데이진 화-마 가부시키가이샤 산소 농축 장치
KR20100066744A (ko) * 2008-12-10 2010-06-18 노우석 압축공기공급장치에서 발생되는 압축공기를 이용하여 호흡가능한 산소로 변환하여 공급하는 산소분리공급장치.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002326807A (ja) * 2001-05-07 2002-11-12 Nishishiba Electric Co Ltd 窒素及び酸素発生装置
JP2003287360A (ja) * 2002-03-27 2003-10-10 Toshiba Corp 貯蔵庫
KR20100017660A (ko) * 2007-05-07 2010-02-16 데이진 화-마 가부시키가이샤 산소 농축 장치
JP2009174725A (ja) * 2008-01-22 2009-08-06 Hitachi Appliances Inc 冷蔵庫
KR20100066744A (ko) * 2008-12-10 2010-06-18 노우석 압축공기공급장치에서 발생되는 압축공기를 이용하여 호흡가능한 산소로 변환하여 공급하는 산소분리공급장치.

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