WO2020217418A1 - Dispositif de séparation gaz-liquide et dispositif à cycle frigorifique - Google Patents

Dispositif de séparation gaz-liquide et dispositif à cycle frigorifique Download PDF

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Publication number
WO2020217418A1
WO2020217418A1 PCT/JP2019/017756 JP2019017756W WO2020217418A1 WO 2020217418 A1 WO2020217418 A1 WO 2020217418A1 JP 2019017756 W JP2019017756 W JP 2019017756W WO 2020217418 A1 WO2020217418 A1 WO 2020217418A1
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WIPO (PCT)
Prior art keywords
gas
liquid
central axis
container
separation device
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Application number
PCT/JP2019/017756
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English (en)
Japanese (ja)
Inventor
駿 加藤
伊東　大輔
Original Assignee
三菱電機株式会社
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Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2019/017756 priority Critical patent/WO2020217418A1/fr
Priority to JP2021515431A priority patent/JP7204899B2/ja
Publication of WO2020217418A1 publication Critical patent/WO2020217418A1/fr

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    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to a gas-liquid separation device and a refrigeration cycle device.
  • an oil separator is used to separate the oil from the oil-containing refrigerant discharged from the compressor and return the oil to the compressor.
  • the gaseous refrigerant and the liquid oil are separated. That is, the gas-liquid two-phase flow in which gas and liquid are mixed is separated into gas and liquid.
  • the gas-liquid separator that separates the gas-liquid two-phase flow into gas and liquid is not limited to oil separators, but is used in various devices.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2002-324561
  • a gas-liquid separator that separates water from waste hydrogen gas and waste air used in a reaction in a fuel cell body.
  • a plurality of spiral swivel blades are provided on the peripheral surface of the shaft arranged inside the receiving duct over the circumferential direction of the shaft.
  • a swirling flow is generated by a plurality of spiral swivel blades. Gas and liquid are separated by the centrifugal force of this swirling flow.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a gas-liquid separation device and a refrigeration cycle device capable of improving the separation efficiency of gas and liquid.
  • the gas-liquid separation device of the present invention separates a gas-liquid two-phase fluid into a gas and a liquid.
  • the gas-liquid separation device includes a container, an inflow pipe, a liquid discharge pipe, a gas discharge pipe, and a swirl vane.
  • the container extends along a central axis extending vertically and has an inner wall surface surrounding the central axis.
  • the inflow pipe has an inflow port for flowing a gas-liquid two-phase fluid into the container.
  • the liquid discharge pipe has a liquid discharge port for discharging the liquid separated from the gas-liquid two-phase fluid from the container.
  • the gas discharge pipe has a gas discharge port for discharging the gas separated from the gas-liquid two-phase fluid from the container.
  • the swivel blades are arranged in the container.
  • the inflow port of the inflow pipe is arranged above the swirl vane.
  • the liquid discharge port of the liquid discharge pipe is arranged below the swirl vane.
  • the gas discharge port of the gas discharge pipe is located below the swirl vane and above the liquid discharge port.
  • the swivel blades include a plurality of spiral plates, each of which extends spirally along a central axis. Each of the plurality of spiral plates is arranged so as to deviate from the central axis when viewed from the direction along the central axis.
  • each of the plurality of spiral plates is arranged so as to deviate from the central axis when viewed from the direction along the central axis. Therefore, it is possible to suppress a decrease in the flow velocity of the gas-liquid two-phase fluid around the central axis. This makes it possible to prevent the liquid from collecting around the central axis. Therefore, the separation efficiency of gas and liquid can be improved.
  • FIG. 1 It is a refrigerant circuit diagram of the refrigerating cycle apparatus provided with the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention. It is a perspective view which shows the structure which the swirl vane of the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention is arranged in a container. It is a perspective view which shows the swirling vane of the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing which follows the VV line of FIG. It is sectional drawing which follows the VI-VI line of FIG. It is a top view of FIG.
  • FIG. 1 It is a conceptual diagram of the swirl vane of the gas-liquid separation device which concerns on Embodiment 1 of this invention. It is sectional drawing for demonstrating how the gas and the liquid are separated in the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing for demonstrating how the gas and the liquid are separated in the gas-liquid separation apparatus of the comparative example. It is a perspective view which shows the structure which the swirl vane of the modification of the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention is arranged in a container. It is a perspective view which shows the swirling vane of the modification of the gas-liquid separation apparatus which concerns on Embodiment 1 of this invention. It is sectional drawing which follows the XIII-XIII line of FIG.
  • FIG. 15 is a top view of FIG. It is a conceptual diagram of the swirl vane of the gas-liquid separation device which concerns on Embodiment 2 of this invention.
  • FIG. 2 is a cross-sectional view taken along the line XXIV-XXIV of FIG. It is sectional drawing which follows the XXV-XXV line of FIG.
  • FIG. 1 is a refrigerant circuit diagram of the refrigeration cycle device 100 according to the present embodiment.
  • the refrigeration cycle device 100 in the present embodiment is, for example, an air conditioner. Further, an oil separator will be described as an example of the gas-liquid separator 10.
  • the refrigerating cycle apparatus 100 in the present embodiment includes a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, a flow rate adjusting valve 4, an indoor heat exchanger 5, and gas. It mainly includes a liquid separator (oil separator) 10.
  • the compressor 1, the four-way valve 2, the outdoor heat exchanger 3, the flow rate regulating valve 4, the indoor heat exchanger 5, and the gas-liquid separator 10 are connected by pipes. In this way, the refrigerant circuit of the refrigeration cycle device 100 is configured.
  • a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, a flow rate adjusting valve 4, and a gas-liquid separator 10 are arranged in the outdoor unit unit 100a.
  • the indoor heat exchanger 5 is arranged in the indoor unit unit 100b.
  • the outdoor unit unit 100a and the indoor unit 100b are connected by extension pipes 6a and 6b.
  • the compressor 1 is configured to compress and discharge the sucked refrigerant.
  • the compressor 1 is configured to compress the refrigerant flowing into the outdoor heat exchanger 3 or the indoor heat exchanger 5.
  • the compressor 1 may be a constant-speed compressor having a constant compression capacity, or may be an inverter compressor having a variable compression capacity. This inverter compressor is configured so that the rotation speed can be variably controlled.
  • the four-way valve 2 is configured to switch the flow of the refrigerant. Specifically, the four-way valve 2 is configured to switch the flow of the refrigerant to the outdoor heat exchanger 3 or the indoor heat exchanger 5 depending on the heating operation and the cooling operation.
  • the outdoor heat exchanger 3 is connected to the four-way valve 2 and the flow rate adjusting valve 4.
  • the outdoor heat exchanger 3 is a condenser that condenses the refrigerant compressed by the compressor 1 during the cooling operation. Further, the outdoor heat exchanger 3 is an evaporator that evaporates the refrigerant decompressed by the flow rate adjusting valve 4 during the heating operation.
  • the outdoor heat exchanger 3 is for exchanging heat between the refrigerant and air.
  • the outdoor heat exchanger 3 includes, for example, a pipe (heat transfer tube) through which the refrigerant flows inside, and fins attached to the outside of the pipe.
  • the flow rate adjusting valve 4 is connected to the outdoor heat exchanger 3 and the indoor heat exchanger 5.
  • the flow rate adjusting valve 4 is a throttle device that reduces the pressure of the refrigerant condensed by the outdoor heat exchanger 3 during the cooling operation. Further, the flow rate adjusting valve 4 is a throttle device for reducing the pressure of the refrigerant condensed by the indoor heat exchanger 5 during the heating operation.
  • the flow rate adjusting valve 4 is, for example, a capillary tube, an electronic expansion valve, or the like.
  • the indoor heat exchanger 5 is connected to the four-way valve 2 and the flow rate adjusting valve 4.
  • the indoor heat exchanger 5 is an evaporator that evaporates the refrigerant decompressed by the flow rate adjusting valve 4 during the cooling operation.
  • the indoor heat exchanger 5 is a condenser that condenses the refrigerant compressed by the compressor 1 during the heating operation.
  • the indoor heat exchanger 5 is for exchanging heat between the refrigerant and air. It includes an indoor heat exchanger 5, for example, a pipe (heat transfer tube) through which a refrigerant flows inside, and fins attached to the outside of the pipe.
  • the gas-liquid separation device 10 is connected to the downstream side of the discharge pipe of the compressor 1.
  • the gas-liquid separation device 10 is configured to separate a gas-liquid two-phase fluid into a gas and a liquid.
  • the oil separator as the gas-liquid separator 10 is configured to separate oil from the oil-containing refrigerant discharged from the compressor 1. Further, the oil separator as the gas-liquid separator 10 is connected to the upstream side of the suction pipe of the compressor 1 so as to return the oil separated from the oil-containing refrigerant to the compressor 1.
  • FIG. 2 is a cross-sectional view schematically showing the configuration of the gas-liquid separation device 10 according to the present embodiment.
  • the gas-liquid separation device 10 according to the present embodiment includes a container 11, an inflow pipe 12, a liquid discharge pipe 13, a gas discharge pipe 14, and a swirl vane 15. There is.
  • a separation method using a swirling downward flow is used.
  • the gas-liquid separation device 10 according to the present embodiment has an inflow unit 10a, a separation unit 10b, a run-up section 10c1, a transition unit 10c2, and a liquid collection unit (oil collection unit) 10d. ..
  • the inflow portion 10a is a portion where the gas-liquid two-phase fluid flows into the gas-liquid separation device 10.
  • the inflow portion 10a is composed of an inflow pipe 12.
  • the separation unit 10b is a portion that separates the gas-liquid two-phase fluid into a gas and a liquid.
  • the separating portion 10b is composed of an upper portion of the container 11 and a swirling vane 15.
  • the approach section 10c1 is a section between the gas discharge pipe 14 and the swirl vane 15.
  • the approach section 10c1 is provided in the transition portion 10c2.
  • the transition portion 10c2 is a portion where the gas is separated and discharged from the gas discharge pipe 14.
  • the transition portion 10c2 is composed of a central portion of the container 11 and an upper portion of the gas discharge pipe 14.
  • the liquid collecting part (oil collecting part) 10d is a part for collecting the separated liquids.
  • the liquid collecting portion (oil collecting portion) 10d is composed of a lower portion of the container 11 and a central portion of the gas discharge pipe 14.
  • the liquid discharge pipe 13 is connected to the liquid collecting portion (oil collecting portion) 10d.
  • the container 11 extends along the central axis CL extending vertically.
  • the central axis CL of the container 11 extends in the vertical direction.
  • the container 11 has an internal space.
  • the container 11 has an inner wall surface IS surrounding the central axis CL.
  • the inner wall surface IS of the container 11 is configured so that the cross section orthogonal to the central axis CL has a circular shape.
  • the container 11 is configured so that the diameters (inner diameter and outer diameter) of the separating portion 10b and the transition portion 10c2 are equal to each other, and the diameter of the liquid collecting portion (oil collecting portion) 10d is larger than that of the transition portion 10c2. It is configured in.
  • the inflow pipe 12 is connected to the discharge side of the compressor 1 shown in FIG.
  • the inflow pipe 12 is connected to the upper end of the container 11.
  • the inflow pipe 12 is arranged coaxially with the central axis CL of the container 11.
  • the inflow pipe 12 penetrates the ceiling portion of the container 11.
  • the inflow pipe 12 is configured to allow a gas-liquid two-phase fluid to flow into the container 11.
  • the inflow pipe 12 has an inflow port 12a for flowing a gas-liquid two-phase fluid into the container 11.
  • the inflow pipe 12 is configured to allow the oil-containing refrigerant to flow into the container 11.
  • the inflow port 12a of the inflow pipe 12 is arranged above the swirl vane 15.
  • the liquid discharge pipe 13 is connected to the oil return pipe 20 shown in FIG.
  • the liquid discharge pipe 13 is connected to the lower end of the container 11.
  • the liquid discharge pipe 13 is arranged at a position different from the central axis CL of the container 11.
  • the liquid discharge pipe 13 penetrates the bottom of the container 11.
  • the liquid discharge pipe 13 is configured to discharge the liquid separated from the gas-liquid two-phase fluid from the container 11.
  • the liquid discharge pipe 13 has a liquid discharge port 13a for discharging the liquid separated from the gas-liquid two-phase fluid from the container 11.
  • the liquid discharge pipe 13 is configured to discharge the oil separated from the oil-containing refrigerant from the container 11.
  • the liquid discharge port 13a of the liquid discharge pipe 13 is arranged below the swirl vane 15.
  • the gas discharge pipe 14 is connected to the four-way valve 2 shown in FIG.
  • the gas discharge pipe 14 is connected to the lower side of the container 11.
  • the gas discharge pipe 14 is arranged coaxially with the central axis CL of the container 11.
  • the gas discharge pipe 14 penetrates the bottom of the container 11.
  • the gas discharge pipe 14 has a gas discharge port 14a for discharging the gas separated from the gas-liquid two-phase fluid from the container 11.
  • the gas discharge pipe 14 is configured to discharge the refrigerant in which the oil is separated from the oil-containing refrigerant from the container 11.
  • the gas discharge port 14a is arranged so as to overlap the central axis CL.
  • the gas discharge port 14a of the gas discharge pipe 14 is located below the swirling vane 15 and above the liquid discharge port 13a. That is, the gas discharge port 14a of the gas discharge pipe 14 is arranged between the swivel blade 15 and the liquid discharge port 13a in the vertical direction.
  • the gas discharge port 14a is provided at the tip of the gas discharge pipe 14 arranged in the container 11.
  • the gas discharge port 14a is arranged directly below the swirl vane 15.
  • the gas discharge port 14a is arranged so as to have a run-up section 10c1 between it and the swirl vane 15 in the vertical direction.
  • the gas discharge pipe 14 has an outer diameter smaller than the inner diameter of the container 11.
  • the swirling blade 15 is configured to flow the gas-liquid two-phase fluid from above to below while swirling.
  • the swirling blade 15 is configured to generate a swirling flow.
  • the swirling blade 15 is configured to flow the liquid separated from the gas-liquid two-phase fluid by the swirling force of the swirling flow from above to below while orbiting along the inner wall surface IS.
  • the swivel blade 15 is arranged in the container 11.
  • the swivel blade 15 is arranged on the upper side inside the container 11.
  • the swivel vane 15 is arranged directly below the inflow port 12a of the inflow pipe 12.
  • FIG. 3 is a perspective view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • the swirl vane 15 has a plurality of spiral plates 15a.
  • FIG. 4 is a perspective view schematically showing the configuration of the swivel vane 15.
  • each of the plurality of spiral plates 15a is configured to extend spirally along the central axis CL.
  • Each of the plurality of spiral plates 15a is configured to generate a swirling force with respect to the gas-liquid two-phase fluid.
  • the plurality of spiral plates 15a are configured to be spirally twisted at a rotation angle of 180 degrees about the central axis CL.
  • both ends of each of the plurality of spiral plates 15a are in contact with the inner wall surface IS of the container 11.
  • each end face of the plurality of spiral plates 15a is formed in an arc shape.
  • Each of the plurality of spiral plates 15a is curved so as to project from the central axis CL toward the inner wall surface IS of the container 11.
  • the swivel blade 15 has four spiral plates 15a.
  • the number of spiral plates 15a of the swivel blade 15 is not limited to four.
  • the swirl vane 15 has a first spiral plate 15a1, a second spiral plate 15a2, a third spiral plate 15a3, and a fourth spiral plate 15a4.
  • the first spiral plate 15a1 is arranged in the center of the container 11 when viewed from the direction along the central axis CL. Both ends of the first spiral plate 15a1 are in contact with the inner wall surface IS at the position where the inner diameter of the container 11 is maximized when viewed from the direction along the central axis CL.
  • the length of the first spiral plate 15a1 in the radial direction of the container 11 is the maximum dimension of the inner diameter of the container 11.
  • the second spiral plate 15a2 is arranged in the center of the container 11 when viewed from the direction along the central axis CL. Both ends of the second spiral plate 15a2 are in contact with the inner wall surface IS at the position where the inner diameter of the container 11 is maximized when viewed from the direction along the central axis CL.
  • the length of the second spiral plate 15a2 in the radial direction of the container 11 is the maximum dimension of the inner diameter of the container 11.
  • the first spiral plate 15a1 and the second spiral plate 15a2 are arranged so as to face each other.
  • the first spiral plate 15a1 and the second spiral plate 15a2 are curved so as to project in opposite directions when viewed from the direction along the central axis CL.
  • a first flow path F1 is provided between the first spiral plate 15a1 and the second spiral plate 15a2.
  • the first flow path F1 is surrounded by a first spiral plate 15a1 and a second spiral plate 15a2.
  • the first flow path F1 is formed in a substantially elliptical shape when viewed from the direction along the central axis CL.
  • the first flow path F1 extends spirally along the central axis CL.
  • the first flow path F1 is configured to twist spirally around the central axis CL.
  • the third spiral plate 15a3 is arranged outside the first spiral plate 15a1.
  • the third spiral plate 15a3 is arranged on the side opposite to the central axis CL with respect to the first spiral plate 15a1.
  • the third spiral plate 15a3 is arranged between the first spiral plate 15a1 and the inner wall surface IS of the container 11.
  • the third spiral plate 15a3 is arranged along the first spiral plate 15a1 with a gap between the third spiral plate 15a3 and the first spiral plate 15a1.
  • a second flow path F2 is provided between the first spiral plate 15a1 and the third spiral plate 15a3.
  • the second flow path F2 is an inner wall surface IS of the container 11 located between the first spiral plate 15a1, the third spiral plate 15a3, the first spiral plate 15a1, and the third spiral plate 15a3. Surrounded by.
  • the second flow path F2 extends spirally along the central axis CL.
  • the second flow path F2 is configured to twist spirally around the central axis CL.
  • the fourth spiral plate 15a4 is arranged outside the second spiral plate 15a2.
  • the fourth spiral plate 15a4 is arranged on the side opposite to the central axis CL with respect to the second spiral plate 15a2.
  • the fourth spiral plate 15a4 is arranged between the second spiral plate 15a2 and the inner wall surface IS of the container 11.
  • the fourth spiral plate 15a4 is arranged along the second spiral plate 15a2 with a gap between the fourth spiral plate 15a4 and the second spiral plate 15a2.
  • a third flow path F3 is provided between the second spiral plate 15a2 and the fourth spiral plate 15a4.
  • the third flow path F3 is an inner wall surface IS of the container 11 located between the second spiral plate 15a2, the fourth spiral plate 15a4, the second spiral plate 15a2, and the fourth spiral plate 15a4. It is surrounded by.
  • the third flow path F3 extends spirally along the central axis CL.
  • the third flow path F3 is configured to twist spirally around the central axis CL.
  • a fourth flow path F4 is provided between the third spiral plate 15a3 and the inner wall surface IS of the container 11.
  • the fourth flow path F4 is surrounded by the third spiral plate 15a3 and the inner wall surface IS of the container 11, and the fourth flow path F4 extends spirally along the central axis CL.
  • the fourth flow path F4 is configured to twist spirally around the central axis CL.
  • a fifth flow path F5 is provided between the fourth spiral plate 15a4 and the inner wall surface IS of the container 11.
  • the fifth flow path F5 is surrounded by the fourth spiral plate 15a4 and the inner wall surface IS of the container 11.
  • the fifth flow path F5 extends spirally along the central axis CL.
  • the fifth flow path F5 is configured to twist spirally around the central axis CL.
  • FIG. 5 is a cross-sectional view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • FIG. 5 is a cross section that passes through the central axis CL and passes through the short direction of the first flow path F1 when the swivel blade 15 is viewed from above to downward along the central axis CL.
  • FIG. 6 is a cross-sectional view schematically showing a configuration in which the swirl vanes 15 are arranged in the container 11 in a cross section orthogonal to the cross-sectional position of FIG.
  • FIG. 6 is a cross section that passes through the central axis CL and passes through the longitudinal direction of the first flow path F1 when the swivel vane 15 is viewed from above to downward along the central axis CL.
  • the swivel vane 15 is provided with a hollow region HP extending along the central axis CL.
  • the hollow region HP is provided from the upper end to the lower end of the swirl vane 15 in the vertical direction.
  • the hollow region HP penetrates the swivel blade 15 in the vertical direction.
  • the swivel blade 15 is provided with a cavity along the central axis CL.
  • FIG. 7 is a top view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • each of the plurality of spiral plates 15a is arranged so as to deviate from the central axis CL when viewed from the direction along the central axis CL.
  • Each of the plurality of spiral plates 15a does not overlap the central axis CL when viewed from the direction along the central axis CL.
  • the center of the swirl vane 15 is hollow when viewed from the direction along the central axis CL.
  • the swivel blade 15 does not have a shaft in the center. When the swivel blade 15 is viewed from above to below along the central axis CL, the hollow region HP is formed in a circular shape.
  • the swivel blade 15 When the swivel blade 15 is viewed from above to downward along the central axis CL, the other region of the hollow region HP is covered with the swivel blade 15. When the swivel blade 15 is viewed from above to below along the central axis CL, there is no gap other than the hollow region HP.
  • the central CP of the swivel blade 15 is located at the center of gravity of the swivel blade 15 when the swivel blade 15 is viewed from above to downward along the central axis CL.
  • the central CP of the swivel vane 15 is located on the central axis CL of the container 11.
  • the first spiral plate 15a1 is arranged point-symmetrically with the second spiral plate 15a2 with respect to the central CP of the swivel blade 15 when the swivel blade 15 is viewed from above to downward along the central axis CL. Has been done.
  • the third spiral plate 15a3 is arranged point-symmetrically with the fourth spiral plate 15a4 with respect to the central CP of the swivel blade 15 when the swivel blade 15 is viewed from above to downward along the central axis CL. Has been done.
  • FIG. 8 is a conceptual diagram of the swivel blade 15 according to the present embodiment.
  • the swirl vane 15 is configured to have a shape drawn by the cross-sectional shape 101 and the locus 102 when the cross-sectional shape 101 passes through the spiral locus 102.
  • the center of the locus 102 is the center of the x-axis, y-axis, and z-axis in FIG.
  • the x-axis corresponds to the front-rear direction of the swivel vane 15
  • the y-axis corresponds to the left-right direction of the swivel vane
  • the z-axis corresponds to the vertical direction of the swivel vane 15.
  • the cross-sectional shape 101 orthogonal to the central axis CL of the swivel vane 15 becomes similar when the cross-sectional shape 101 in any cross section is rotated about the central axis CL. That is, the cross-sectional shape 101 orthogonal to the central axis CL of the swirl vane 15 has a similar shape in any cross section.
  • the area S1 of the first flow path F1 is larger than the area S2 of each of the second flow path F2 and the third flow path F3, and the area S2 is each of the fourth flow path F4 and the fifth flow path F5. Area is larger than S3.
  • the solid line arrow in the figure indicates the refrigerant flow during the cooling operation
  • the broken line arrow in the figure indicates the refrigerant flow during the heating operation.
  • the refrigeration cycle device 100 of the present embodiment can selectively perform a cooling operation and a heating operation.
  • the refrigerant circulates in the refrigerant circuit in the order of the compressor 1, the gas-liquid separator (oil separator) 10, the four-way valve 2, the outdoor heat exchanger 3, the flow rate adjusting valve 4, and the indoor heat exchanger 5.
  • the outdoor heat exchanger 3 functions as a condenser
  • the indoor heat exchanger 5 functions as an evaporator.
  • the refrigerant circulates in the refrigerant circuit in the order of the compressor 1, the gas-liquid separator 10, the four-way valve 2, the indoor heat exchanger 5, the flow rate adjusting valve 4, and the outdoor heat exchanger 3.
  • the indoor heat exchanger 5 functions as a condenser
  • the outdoor heat exchanger 3 functions as an evaporator.
  • the compressor 1 When the compressor 1 is driven, the refrigerant in a high-temperature and high-pressure gas state is discharged from the compressor 1.
  • This refrigerant contains oil that lubricates the inside of the compressor. That is, this refrigerant is an oil-containing refrigerant.
  • the oil-containing refrigerant in a high-temperature and high-pressure gas state discharged from the compressor 1 flows into the gas-liquid separator 10.
  • the gas-liquid separator 10 separates the oil from the oil-containing refrigerant.
  • the refrigerant from which the oil has been separated by the gas-liquid separator 10 flows into the outdoor heat exchanger 3 via the four-way valve 2. In the outdoor heat exchanger 3, heat exchange is performed between the gas refrigerant that has flowed in and the outdoor air.
  • the high-temperature and high-pressure gas refrigerant condenses into a high-pressure liquid refrigerant.
  • the high-pressure liquid refrigerant sent out from the outdoor heat exchanger 3 becomes a two-phase refrigerant of a low-pressure gas refrigerant and a liquid refrigerant by the flow rate adjusting valve 4.
  • the two-phase refrigerant flows into the indoor heat exchanger 5.
  • heat exchange is performed between the flowing two-phase refrigerant and the indoor air.
  • the liquid refrigerant evaporates from the two-phase refrigerant to become a low-pressure gas refrigerant. This heat exchange cools the room.
  • the low-pressure gas refrigerant sent out from the indoor heat exchanger 5 flows into the compressor 1 via the four-way valve 2, is compressed, becomes a high-temperature and high-pressure gas refrigerant, and is discharged from the compressor 1 again. Hereinafter, this cycle is repeated.
  • the heating operation will be explained in detail.
  • the oil-containing refrigerant in a high-temperature and high-pressure gas state is discharged from the compressor 1.
  • the oil-containing refrigerant in a high-temperature and high-pressure gas state discharged from the compressor 1 flows into the gas-liquid separator 10.
  • the gas-liquid separator 10 separates the oil from the oil-containing refrigerant.
  • the refrigerant from which the oil has been separated by the gas-liquid separator 10 flows into the indoor heat exchanger 5 via the four-way valve 2.
  • the indoor heat exchanger 5 heat exchange is performed between the flowing refrigerant and the indoor air.
  • the high-temperature and high-pressure gas refrigerant condenses into a high-pressure liquid refrigerant. This heat exchange warms the room.
  • the high-pressure liquid refrigerant sent out from the indoor heat exchanger 5 becomes a two-phase refrigerant of a low-pressure gas refrigerant and a liquid refrigerant by the flow rate adjusting valve 4.
  • the two-phase refrigerant flows into the outdoor heat exchanger 3.
  • heat exchange is performed between the flowing two-phase refrigerant and the outdoor air.
  • the liquid refrigerant evaporates from the two-phase refrigerant to become a low-pressure gas refrigerant.
  • the low-pressure gas refrigerant sent out from the outdoor heat exchanger 3 flows into the compressor 1 via the four-way valve 2, is compressed, becomes a high-temperature and high-pressure gas refrigerant, and is discharged from the compressor 1 again.
  • this cycle is repeated.
  • FIG. 9 is a cross-sectional view for explaining how the gas (refrigerant) and the liquid (oil) are separated in the gas-liquid separation device 10 according to the present embodiment.
  • the flow of the oil-containing refrigerant is indicated by a white arrow
  • the flow of the refrigerant is indicated by a solid arrow
  • the flow of oil is indicated by a broken line arrow.
  • the oil-containing refrigerant discharged from the compressor 1 is separated into a refrigerant and oil by the gas-liquid separator 10.
  • the oil-containing refrigerant includes a refrigerant and oil (refrigerator oil) sealed in the compressor 1.
  • the refrigerant separated from the oil-containing refrigerant by the gas-liquid separator 10 is discharged to the four-way valve 2.
  • the oil separated from the oil-containing refrigerant by the gas-liquid separator 10 is discharged to the suction side of the compressor 1 through the oil return pipe 20.
  • the swirling flow generated by the plurality of spiral plates 15a of the swirling blades 15 causes the swirling flow.
  • Oil is separated from the oil-containing refrigerant.
  • the oil separated from the oil-containing refrigerant collides with the inner wall surface IS of the container 11 to form a liquid film, and flows to the bottom of the container 11 along the inner wall surface IS of the container 11 by gravity and swirling flow. In this way, the oil is collected in the oil collecting unit 10d.
  • the collected oil is discharged from the liquid discharge pipe 13.
  • the oil discharged from the liquid discharge pipe 13 is returned to the suction side of the compressor 1 through the oil return pipe 20.
  • the oil-separated refrigerant is discharged from the gas discharge pipe 14.
  • the refrigerant discharged from the gas discharge pipe 14 flows into the four-way valve 2.
  • FIG. 10 is a cross-sectional view schematically showing the configuration of the gas-liquid separation device 10 of the comparative example.
  • the configuration of the swirling vane 15 is different from that of the swirling vane 15 according to the present embodiment.
  • the swivel blade 15 of the comparative example has a shaft 15s.
  • Each of the plurality of spiral plates 15a is connected to the shaft 15s so as to intersect with each other.
  • the shaft 15s extends linearly in the vertical direction.
  • the shaft 15s of the swivel blade 15 of the comparative example is located on the central axis CL.
  • the swirling vane 15 of the comparative example since the flow velocity of the gas-liquid two-phase fluid around the shaft 15s decreases, the behavior of the liquid gathering around the shaft 15s occurs at the outlet of the swirling vane 15. Therefore, the liquid around the shaft 15s cannot be separated. This liquid falls due to gravity and enters the gas discharge port 14a. As a result, the separation efficiency of gas and liquid decreases.
  • a swirling flow is generated in the gas-liquid two-phase fluid by the plurality of spiral plates 15a of the swirling blades 15.
  • the swirling force of this swirling flow separates the liquid from the gas-liquid two-phase fluid.
  • the separated liquid flows as a liquid surface after colliding with the inner wall surface IS of the container 11, and re-scattering is suppressed. Therefore, the separation efficiency of gas and liquid can be improved.
  • the plurality of spiral plates 15a are arranged so as to deviate from the central axis CL when viewed from the direction along the central axis CL. Therefore, it is possible to suppress a decrease in the flow velocity of the gas-liquid two-phase fluid around the central axis CL. This makes it possible to prevent the liquid from collecting around the central axis CL. Therefore, the separation efficiency of gas and liquid can be improved.
  • the conventional cyclone type separator causes the gas-liquid two-phase fluid to collide vertically with the inner wall surface of the container. That is, the gas-liquid two-phase fluid collides with the inner wall surface in the horizontal direction orthogonal to the vertical direction.
  • the conventional cyclone type separator when the separation distance between the inner wall surface of the container and the gas discharge pipe is short, the separated liquid re-scatters and is sucked into the gas discharge port together with the gas, so that the gas and the liquid are separated. Separation efficiency is reduced. Therefore, it is difficult to miniaturize with a conventional cyclone type separator.
  • the gas-liquid separator 10 according to the present embodiment can be easily miniaturized as compared with the conventional cyclone type separator.
  • the efficiency of returning oil to the compressor 1 can be improved by improving the oil separation efficiency. Therefore, it is possible to prevent seizure of the sliding portion of the compressor 1 due to running out of oil. Further, it is possible to prevent the oil discharged from the compressor 1 from staying in the outdoor heat exchanger 3 and the indoor heat exchanger 5. Therefore, it is possible to suppress a decrease in the coefficient of performance (COP) of the refrigeration cycle apparatus 100.
  • COP coefficient of performance
  • the refrigeration cycle device 100 since the gas-liquid separation device 10 is provided, the separation efficiency between the gas and the liquid can be improved.
  • the modified example of the gas-liquid separation device 10 according to the present embodiment has the same configuration, operation, and effect as the gas-liquid separation device 10 according to the present embodiment. Therefore, the same components as those of the gas-liquid separation device 10 according to the present embodiment are designated by the same reference numerals, and the description will not be repeated.
  • FIG. 11 is a perspective view schematically showing a configuration in which the swirl vanes 15 in the modified example of the gas-liquid separation device 10 according to the present embodiment are arranged in the container 11.
  • FIG. 12 is a perspective view schematically showing the configuration of the swirl vane 15 in the modified example of the gas-liquid separation device 10 according to the present embodiment.
  • FIG. 13 is a cross-sectional view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • FIG. 13 is a cross section that passes through the central axis CL and passes through the lateral direction of the first flow path F1 when viewed from the direction along the central axis CL.
  • FIG. 14 is a cross-sectional view schematically showing a configuration in which the swirl vanes 15 are arranged in the container 11 in a cross section orthogonal to the cross-sectional position of FIG.
  • FIG. 14 is a cross section that passes through the central axis CL and passes through the longitudinal direction of the first flow path F1 when viewed from the direction along the central axis CL.
  • the configuration of the swirl vane 15 is different from that of the gas-liquid separation device 10 according to the present embodiment. ing.
  • the plurality of spiral plates 15a are configured to be spirally twisted at a rotation angle of 360 degrees about the central axis CL.
  • Embodiment 2 A second embodiment of the present invention will be described with reference to FIGS. 15 to 21. Unless otherwise specified, the second embodiment of the present invention has the same configuration, operation, and effect as the first embodiment of the present invention. Therefore, the same components as those in the first embodiment of the present invention will be designated by the same reference numerals, and the description will not be repeated.
  • FIG. 15 is a perspective view schematically showing a configuration in which the swivel blade 15 according to the present embodiment is arranged in the container 11. For convenience of explanation, in FIG. 15, the portions above and below the swivel blade 15 of the container 11 are not shown.
  • FIG. 16 is a perspective view schematically showing the configuration of the swivel blade 15 according to the present embodiment.
  • the swivel blade 15 includes a plurality of spiral plates 15a and a hollow cylindrical portion 15b.
  • Each of the plurality of spiral plates 15a is configured to extend spirally along the central axis CL.
  • the plurality of spiral plates 15a are arranged at equal angles around the central axis CL.
  • the plurality of spiral plates 15a are arranged so as to intersect each other via the hollow cylindrical portion 15b.
  • the swivel blade 15 has six spiral plates 15a. When the swirl vanes 15 are viewed from above to below along the central axis CL, two spiral plates 15a out of the six spiral plates 15a are arranged in a straight line via the hollow cylindrical portion 15b. Has been done.
  • the hollow cylindrical portion 15b is configured to surround the hollow region HP around the central axis CL.
  • the hollow region HP extends along the central axis CL.
  • the hollow region HP is arranged linearly from the upper end to the lower end of the swirl vane 15.
  • the hollow region HP constitutes the inner flow path F10.
  • the hollow cylindrical portion 15b is configured to extend along the central axis CL.
  • the hollow cylindrical portion 15b is formed in a cylindrical shape.
  • the central axis of the hollow cylindrical portion 15b is arranged coaxially with the central axis CL of the container 11.
  • the hollow region HP of the hollow cylindrical portion 15b is arranged so as to overlap the central axis CL when viewed from the direction along the central axis CL.
  • the hollow region HP is located at the center CP of the swivel blade 15 when the swivel blade 15 is viewed from above to downward along the central axis CL.
  • Each of the plurality of spiral plates 15a extends from the hollow cylindrical portion 15b toward the inner wall surface IS of the container 11. One end (first end) of each of the plurality of spiral plates 15a is in contact with the hollow cylindrical portion 15b, and the other end (second end) of each of the plurality of spiral plates 15a is in contact with the inner wall surface IS of the container 11. ing.
  • the swivel blade 15 includes the peripheral wall portion 15c.
  • the peripheral wall portion 15c is configured to surround the hollow cylindrical portion 15b around the central axis CL and extend along the central axis CL.
  • the peripheral wall portion 15c is formed in a substantially cylindrical shape.
  • the central axis of the peripheral wall portion 15c is arranged coaxially with the central axis CL of the container 11.
  • the peripheral wall portion 15c includes a plurality of peripheral wall portions separated by a plurality of spiral plates 15a.
  • the peripheral wall portion 15c is arranged in the radial direction of the container 11 with a gap between it and the inner wall surface IS of the container 11 and a gap between it and the hollow cylindrical portion 15b.
  • the peripheral wall portion 15c is arranged closer to the inner wall surface IS of the container 11 than the hollow cylindrical portion 15b in the radial direction of the container 11.
  • the peripheral wall portion 15c is configured to connect adjacent spiral plates 15a among a plurality of spiral plates 15a around the central axis CL.
  • FIG. 17 is a cross-sectional view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • FIG. 18 is a cross-sectional view schematically showing a configuration in which the swirl vanes 15 are arranged in the container 11 in a cross section orthogonal to the cross-sectional position of FIG.
  • a plurality of intermediate flow paths F20 are provided between the hollow cylindrical portion 15b and the peripheral wall portion 15c.
  • the plurality of intermediate flow paths F20 are separated by each of the plurality of spiral plates 15a.
  • Each of the plurality of intermediate flow paths F20 is arranged side by side around the central axis CL.
  • Each of the plurality of intermediate flow paths F20 extends spirally along the central axis CL.
  • Each of the plurality of intermediate flow paths F20 is configured to twist spirally around the central axis CL.
  • Each of the plurality of intermediate flow paths F20 is arranged point-symmetrically with respect to the central axis CL.
  • a plurality of outer flow paths F30 are provided between the peripheral wall portion 15c and the inner wall surface IS of the container 11.
  • the plurality of outer flow paths F30 are separated by each of the plurality of spiral plates 15a.
  • Each of the plurality of outer flow paths F30 is arranged side by side around the central axis CL.
  • Each of the plurality of outer flow paths F30 extends spirally along the central axis CL.
  • Each of the plurality of outer flow paths F30 is configured to twist spirally around the central axis CL.
  • Each of the plurality of outer flow paths F30 is arranged point-symmetrically with respect to the central axis CL.
  • FIG. 19 is a top view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11. As shown in FIG. 19, the plurality of spiral plates 15a are arranged so as to deviate from the central axis CL when viewed from the direction along the central axis CL.
  • the area of the hollow region HP of the hollow cylindrical portion 15b is defined as the first area S10 when viewed from the direction along the central axis CL, and the hollow cylindrical portion 15b, the peripheral wall portion 15c, and a plurality of spirals.
  • the area of each region surrounded by the shape plate 15a is defined as the second area S20, and the area of each of the regions surrounded by the peripheral wall portion 15c, the inner wall surface IS of the container 11, and the plurality of spiral plates 15a is the third area S30.
  • the first area S10 is larger than the second area S20, and the second area S20 is larger than the third area S30.
  • FIG. 20 is a conceptual diagram of the swivel blade 15 according to the present embodiment.
  • the swivel vane 15 is configured to have a shape drawn by the cross-sectional shape 101 and the locus 102 when the cross-sectional shape 101 passes through the spiral locus 102.
  • the center of the locus 102 is the center of the x-axis, y-axis, and z-axis in FIG.
  • the x-axis corresponds to the front-rear direction of the swivel vane 15
  • the y-axis corresponds to the left-right direction of the swivel vane
  • the z-axis corresponds to the vertical direction of the swivel vane 15.
  • the cross-sectional shape 101 orthogonal to the central axis CL of the swivel vane 15 becomes similar when the cross-sectional shape 101 in any cross section is rotated about the central axis CL. That is, the cross-sectional shape 101 orthogonal to the central axis CL of the swirl vane 15 has a similar shape in any cross section.
  • FIG. 21 is a schematic view for explaining how the gas and the liquid are separated in the gas-liquid separation device 10.
  • the flow of the gas-liquid two-phase fluid is indicated by a solid arrow.
  • the air flowing through the intermediate flow path F20 and the outer flow path F30 rather than the flow velocity of the gas-liquid two-phase fluid flowing through the inner flow path F10.
  • the flow velocity of the liquid two-phase fluid decreases.
  • the liquid of the gas-liquid two-phase fluid is blown to the inner wall surface IS of the container 11 by the swirling flow generated by the swirling vane and the difference in flow velocity between the inner peripheral portion and the outer peripheral portion of the swirling blade. In this way, the liquid is separated from the gas-liquid two-phase fluid.
  • the hollow region HP of the hollow cylindrical portion 15b is arranged so as to overlap the central axis CL when viewed from the direction along the central axis CL. Therefore, the gas-liquid two-phase fluid that has passed through the hollow region HP of the hollow cylindrical portion 15b can flow to the gas discharge pipe 14 without disturbing the main flow. Therefore, it is possible to reduce the re-scattering of the liquid once separated from the gas-liquid two-phase fluid by the swirling blade 15. As a result, it is possible to suppress a decrease in the separation efficiency between the gas and the liquid.
  • the flow path of the gas-liquid two-phase fluid provided in the swirl vane 15 can be separated by the peripheral wall portion 15c of the swirl vane 15. Therefore, since the number of flow paths of the gas-liquid two-phase fluid can be increased, the separation efficiency between the gas and the liquid can be improved.
  • the first area S10 is larger than the second area S20, and the second area S20 is larger than the third area S30. Therefore, when the gas-liquid two-phase fluid passes through the swirling vanes 15, the flow velocity of the gas-liquid two-phase fluid flowing through the intermediate flow path F20 is lower than the flow velocity of the gas-liquid two-phase fluid flowing through the inner flow path F10. Therefore, the flow velocity of the gas-liquid two-phase fluid flowing through the outer flow path F30 can be made lower than the flow velocity of the gas-liquid two-phase fluid flowing through the intermediate flow path F20.
  • the modified example of the gas-liquid separation device 10 according to the present embodiment has the same configuration, operation, and effect as the gas-liquid separation device 10 according to the present embodiment. Therefore, the same components as those of the gas-liquid separation device 10 according to the present embodiment are designated by the same reference numerals, and the description will not be repeated.
  • FIG. 22 is a perspective view schematically showing a configuration in which the swirl vanes 15 in the modified example of the gas-liquid separation device 10 according to the present embodiment are arranged in the container 11.
  • FIG. 23 is a perspective view schematically showing the configuration of the swirl vane 15 in the modified example of the gas-liquid separation device 10 according to the present embodiment.
  • FIG. 24 is a cross-sectional view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • FIG. 25 is a cross-sectional view schematically showing a configuration in which the swirl vanes 15 are arranged in the container 11 in a cross section orthogonal to the cross-sectional position of FIG. 24.
  • the modified example of the gas-liquid separation device 10 according to the present embodiment has a different configuration of the swirl vanes 15 than the gas-liquid separation device 10 according to the present embodiment. ing.
  • the plurality of spiral plates 15a are configured to be spirally twisted at a rotation angle of 360 degrees about the central axis CL.
  • Embodiment 3 of the present invention will be described with reference to FIGS. 26 to 27.
  • the third embodiment of the present invention has the same configuration, operation, and effect as the second embodiment of the present invention. Therefore, the same components as those in the second embodiment of the present invention are designated by the same reference numerals, and the description will not be repeated.
  • FIG. 26 is a cross-sectional view schematically showing a configuration in which the swivel blade 15 is arranged in the container 11.
  • the swirl vane 15 is composed of a porous member PM.
  • the porous member PM is configured to be able to move the liquid from the inner flow path F10 to the intermediate flow path F20, and is configured to be able to move the liquid from the intermediate flow path F20 to the outer flow path F30.
  • the porous member PM is made of, for example, a porous material. Further, the porous member PM may be formed by, for example, stacking a plurality of plates provided with a large number of through holes. Further, the porous member PM may be made of, for example, a metal.
  • FIG. 27 is a schematic view for explaining how the gas and the liquid are separated in the gas-liquid separation device 10.
  • the flow of gas-liquid two-phase fluid is indicated by a solid arrow, and the flow of liquid is indicated by a dashed arrow.
  • the liquid of the gas-liquid two-phase fluid is blown to the inner wall surface IS of the container 11 by the swirling flow generated by the swirling vane and the difference in flow velocity between the inner peripheral portion and the outer peripheral portion of the swirling blade. In this way, the liquid is separated from the gas-liquid two-phase fluid.
  • the swirl vane 15 is composed of a porous member PM. Therefore, the liquid can be moved from the inner peripheral portion to the outer peripheral portion of the swirling vane 15. As a result, the liquid can be guided toward the inner wall surface IS of the container 11. Therefore, the separation efficiency of gas and liquid can be further improved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

Dispositif de séparation gaz-liquide (10) qui comprend : un récipient (11); un tuyau d'admission (12); un tuyau de décharge de liquide (13); un tuyau de décharge de gaz (14); et des aube de turbulence (15). Les aubes de turbulence (14) comprennent une pluralité de plaques hélicoïdales (15a) dont chacune s'étend selon une forme hélicoïdale le long d'un axe central (CL). Chacune de la pluralité de plaques hélicoïdales (15a) est agencée de manière à être décalée par rapport à l'axe central (CL) lorsqu'elle est vue depuis une direction le long de l'axe central (CL).
PCT/JP2019/017756 2019-04-25 2019-04-25 Dispositif de séparation gaz-liquide et dispositif à cycle frigorifique WO2020217418A1 (fr)

Priority Applications (2)

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PCT/JP2019/017756 WO2020217418A1 (fr) 2019-04-25 2019-04-25 Dispositif de séparation gaz-liquide et dispositif à cycle frigorifique
JP2021515431A JP7204899B2 (ja) 2019-04-25 2019-04-25 気液分離装置および冷凍サイクル装置

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PCT/JP2019/017756 WO2020217418A1 (fr) 2019-04-25 2019-04-25 Dispositif de séparation gaz-liquide et dispositif à cycle frigorifique

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0357393B2 (fr) * 1982-03-26 1991-08-30
US5218832A (en) * 1991-09-16 1993-06-15 Ball Corporation Separation method and apparatus for a liquid and gas mixture
JP2002324561A (ja) * 2001-04-27 2002-11-08 Mitsubishi Heavy Ind Ltd 気液分離装置およびこれを利用する燃料電池発電システム
JP2003525976A (ja) * 2000-03-08 2003-09-02 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー 気液分離装置
JP2005098664A (ja) * 2003-08-27 2005-04-14 Fuji Koki Corp 気液分離器
JP2015218982A (ja) * 2014-05-20 2015-12-07 富士電機株式会社 気液分離器
JP2015217326A (ja) * 2014-05-15 2015-12-07 吉雄 網本 気液分離効率の改善されたサイクロン式気液分離器
WO2016063400A1 (fr) * 2014-10-23 2016-04-28 三菱電機株式会社 Séparateur d'huile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013148309A (ja) 2012-01-23 2013-08-01 Hitachi Appliances Inc 冷媒分配器及びこれを備えた冷凍サイクル装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0357393B2 (fr) * 1982-03-26 1991-08-30
US5218832A (en) * 1991-09-16 1993-06-15 Ball Corporation Separation method and apparatus for a liquid and gas mixture
JP2003525976A (ja) * 2000-03-08 2003-09-02 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー 気液分離装置
JP2002324561A (ja) * 2001-04-27 2002-11-08 Mitsubishi Heavy Ind Ltd 気液分離装置およびこれを利用する燃料電池発電システム
JP2005098664A (ja) * 2003-08-27 2005-04-14 Fuji Koki Corp 気液分離器
JP2015217326A (ja) * 2014-05-15 2015-12-07 吉雄 網本 気液分離効率の改善されたサイクロン式気液分離器
JP2015218982A (ja) * 2014-05-20 2015-12-07 富士電機株式会社 気液分離器
WO2016063400A1 (fr) * 2014-10-23 2016-04-28 三菱電機株式会社 Séparateur d'huile

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