WO2015119204A1 - 気液混合装置及び気液混合システム - Google Patents

気液混合装置及び気液混合システム Download PDF

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Publication number
WO2015119204A1
WO2015119204A1 PCT/JP2015/053271 JP2015053271W WO2015119204A1 WO 2015119204 A1 WO2015119204 A1 WO 2015119204A1 JP 2015053271 W JP2015053271 W JP 2015053271W WO 2015119204 A1 WO2015119204 A1 WO 2015119204A1
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WIPO (PCT)
Prior art keywords
gas
pipe
liquid
stock solution
liquid mixing
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Application number
PCT/JP2015/053271
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English (en)
French (fr)
Japanese (ja)
Inventor
種池　昌彦
匡史 筏
進成 唐澤
Original Assignee
三菱レイヨン・クリンスイ株式会社
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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Application filed by 三菱レイヨン・クリンスイ株式会社 filed Critical 三菱レイヨン・クリンスイ株式会社
Priority to JP2015510207A priority Critical patent/JP5952959B2/ja
Priority to CN201580007313.2A priority patent/CN105992636B/zh
Priority to KR1020167020740A priority patent/KR101858886B1/ko
Publication of WO2015119204A1 publication Critical patent/WO2015119204A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/236—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23762—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
    • B01F25/423—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components
    • B01F25/4233—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components using plates with holes, the holes being displaced from one plate to the next one to force the flow to make a bending movement

Definitions

  • the present invention relates to a gas-liquid mixing apparatus and a gas-liquid mixing system.
  • This application claims priority based on Japanese Patent Application No. 2014-20711 filed in Japan on February 5, 2014 and Japanese Patent Application No. 2014-134987 filed in Japan on June 30, 2014. Is hereby incorporated by reference.
  • a structure using a hollow fiber membrane is known in addition to the gas mixed water generating apparatus of Patent Document 1.
  • a structure using a static mixer is also known, but with this structure, the gas solubility in the stock solution cannot be increased unless the pressure is sufficiently increased. Since this is necessary, the device configuration is complicated and it is difficult to reduce the size.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to enable production of a gas mixture having a relatively high solubility with a simple structure, thereby enabling downsizing and cost reduction. At the same time, it is an object to provide a gas-liquid mixing apparatus that facilitates maintenance and ensures ease of use by ensuring a sufficient flow rate, and a gas-liquid mixing system using the same.
  • a gas-liquid mixing apparatus is a gas-liquid mixing apparatus for producing a gas mixed liquid by mixing a gas into a raw liquid, and the raw liquid inflow pipe into which the raw liquid continuously flows and the gas continuously
  • a gas inflow pipe that flows into the gas and a liquid mixture pipe that communicates with the stock solution inflow pipe and the gas inflow pipe, respectively, and the stock solution inflow pipe and the gas inflow pipe face each other and the stock solution and the gas collide with each other.
  • a gas-liquid collision part is formed, and the mixed liquid pipe is communicated with the gas-liquid collision part, and the central axis of the stock solution inflow pipe and the gas inflow pipe At least one of the central axes is arranged in a direction different from the central axis of the mixed solution pipe.
  • the stock solution inflow pipe and the gas inflow pipe are communicated so that the stock solution and the gas face each other and collide with each other, thereby forming a gas-liquid collision part at this communication location, Further, the mixed liquid pipe is communicated with the gas-liquid collision portion, and at least one of the central axis of the raw liquid inlet pipe and the central axis of the gas inlet pipe is arranged in a direction different from the central axis of the mixed liquid pipe. Therefore, the stock solution flowing in from the stock solution inflow tube and the gas flowing in from the gas inflow tube collide with each other, and at least one of the central axis of the stock solution inflow tube and the central axis of the gas inflow tube is not biased to one side. Therefore, the gas mixture can be guided in different directions, so that the collision energy can be maximized with a simple structure and the solubility of the gas in the stock solution can be increased.
  • the angle formed by the central axis of the stock solution inflow pipe and the central axis of the gas inflow pipe is preferably 20 ° to 180 °, more preferably 95 ° to 180 °. preferable.
  • “the angle formed by the central axis of the stock solution inflow pipe and the central axis of the gas inflow tube” is the result of connecting the stock solution inflow tube and the gas inflow tube on a plane, It means the angle formed between the two central axes. According to this configuration, a gas mixture having a relatively high gas solubility can be manufactured with a simple structure.
  • the stock solution is water and the gas is carbon dioxide gas. According to this configuration, carbonated water having a relatively high solubility of carbon dioxide (carbon dioxide) can be produced with a simple structure.
  • a first vortex generating mechanism for generating a vortex in the gas mixture is provided in the mixture liquid pipe.
  • the stock solution and the gas collide at the connection portion (the gas-liquid collision portion) of the stock solution inflow pipe and the gas inflow tube, the gas is mixed with the stock solution, and most of the gas is dissolved,
  • the bubbles in the gas mixture can be refined and the specific surface area can be increased to promote dissolution in the stock solution.
  • the first vortex generating mechanism is configured to face an end portion of the gas-liquid collision portion of an annular or cylindrical vortex generating portion provided in the liquid mixture pipe and the end portion. It is preferable that a groove portion formed to open to the gas-liquid collision portion side is provided between the inner wall surface of the mixed liquid pipe. According to this configuration, since the first eddy current generating mechanism includes the groove formed to open to the gas-liquid collision part side, the gas mixed liquid collides with the bottom surface of the groove and reverses the flow so that a minute amount is obtained. Eddy currents are formed, whereby the bubbles in the gas mixture are refined.
  • the first vortex generating mechanism includes an upstream first vortex generating mechanism disposed on the upstream side of the mixed liquid piping, and a downstream side of the upstream first vortex generating mechanism. It is preferable that a downstream first vortex generating mechanism is provided. According to this configuration, dissolution in the stock solution can be further promoted by further miniaturizing the bubbles in the gas mixture and increasing the specific surface area, rather than providing one first vortex generating mechanism.
  • a guide port that guides the gas mixture to the inner wall surface side of the downstream first vortex generating mechanism is provided in an internal hole of the vortex generating portion that constitutes the upstream first vortex generating mechanism.
  • the guide port is provided in the internal hole of the vortex generating portion that constitutes the upstream first vortex generating mechanism, the gas mixture that has passed through the guide port is included in the downstream first vortex generating mechanism.
  • the second vortex generating mechanism includes a narrow portion that narrows a flow path of the gas mixed liquid flowing through the mixed liquid pipe from upstream to downstream, and a flow path to a side of the narrow portion. It is preferable to have a flow path changing unit that reverses the flow of the gas mixed liquid by changing the flow rate and generates a vortex flow. According to this configuration, the gas mixture is pressurized by flowing through the narrow portion, and the solubility of the gas in the gas mixture is increased. Further, the flow of the gas mixture is reversed by the flow path changing unit, and the vortex is generated, whereby the bubbles in the gas mixture are refined and the dissolution in the stock solution is promoted.
  • the said control valve is comprised by the latch type solenoid valve. According to this configuration, the power consumption of the gas-liquid mixing device having the control valve can be reduced because the latch type solenoid valve has much less power consumption than a general solenoid valve.
  • the latch solenoid valve is preferably operated by a battery, and more preferably by a dry battery or a rechargeable battery.
  • a dry battery or a rechargeable battery instead of a commercial power source as a power source, the usability of the gas-liquid mixing device can be improved, and for example, it can be easily used in a bathroom.
  • the gas-liquid mixing system includes the gas-liquid mixing device, a raw liquid supply source that supplies the raw liquid to the raw liquid inflow pipe, a gas supply source that supplies gas to the gas inflow pipe, and the raw liquid supply source.
  • a control unit that controls supply of the stock solution from the gas supply source to the stock solution inflow tube and gas supply from the gas supply source to the gas inflow tube.
  • FIG. 1 It is a mimetic diagram showing a schematic structure of a 1st embodiment of a gas-liquid mixing system concerning the present invention.
  • It is an external appearance perspective view which shows schematic structure of a gas-liquid mixing apparatus.
  • It is a sectional side view which shows schematic structure of a gas-liquid mixing apparatus.
  • It is a perspective view which shows a vortex generating member.
  • It is a top view which shows a vortex generating member.
  • FIG. side view which shows a vortex generating member.
  • It is a perspective view which shows the other modification of a guide port.
  • It is a perspective view which shows a mixing pipe.
  • It is a top view which shows a mixing pipe.
  • FIG. 10 is a perspective view showing an internal structure of the gas-liquid mixing system shown in FIGS. 9A to 9C.
  • FIG. It is a schematic diagram which shows schematic structure of 3rd Embodiment of the gas-liquid mixing system which concerns on this invention.
  • FIG. 9A to 9C It is a schematic diagram which shows schematic structure of 3rd Embodiment of the gas-liquid mixing system which concerns on this invention.
  • FIG. 9C It is a schematic diagram which shows schematic structure of 3rd Embodiment of the gas-liquid mixing system which concerns on this invention.
  • It is a front view which shows the external appearance of 3rd Embodiment of the gas-liquid mixing system which concerns on this invention.
  • FIG. 1 is a schematic diagram showing a schematic configuration of a first embodiment of a gas-liquid mixing system according to the present invention.
  • reference numeral 1 is a gas-liquid mixing system
  • 2 is a gas-liquid mixing device.
  • the gas-liquid mixing system 1 is for mixing and dissolving carbon dioxide (carbon dioxide) in raw water, for example, tap water, and providing the obtained carbonated water for various purposes.
  • carbonated water it is used for hairdressing and beauty purposes such as shampooing, and hot water for baths, that is, carbonated springs, as in the past.
  • FIG. 1 shows a schematic configuration of a gas-liquid mixing system 1 disposed in each hair wash table in a barber / beauty shop having a plurality of hair wash stands.
  • the gas-liquid mixing device 2 is the first embodiment of the gas-liquid mixing device according to the present invention.
  • FIG. 2A is an external perspective view of the gas-liquid mixing device 2 and a side sectional view of the gas-liquid mixing device 2.
  • a raw water inflow pipe (raw liquid inflow pipe) 5 connected to the raw water supply source 3 via a pipe (raw water side pipe 30), and a pipe (gas side pipe 31) to the gas supply source 4.
  • a gas inflow pipe 6 connected to each other.
  • the angle shown in FIG. By setting this angle within the above range, a gas mixture having a relatively high gas solubility can be produced with a simple structure.
  • the mixed liquid pipe is so arranged that the central axis of the mixed liquid pipe 8 is orthogonal to the central axis of one pipe formed by the raw water inflow pipe 5 and the gas inflow pipe 6. 8 is arranged.
  • the gas inflow pipe 6 is provided with an orifice plate 6b having a small hole on the opening 6a side, so that the carbon dioxide gas supplied from the gas supply source 4 can be supplied into the gas inflow pipe 6 at a predetermined pressure. To be supplied. About the magnitude
  • a mixed liquid pipe 8 is provided in the gas-liquid collision portion 7 of the raw water inflow pipe 5 and the gas inflow pipe 6 so as to communicate with the raw water inflow pipe 5 and the gas inflow pipe 6, respectively.
  • a pipe main body 9 that is disposed in a direction different from the central axis of the mixed liquid pipe 8 among at least one of the central axis of the raw water inflow pipe 5 and the central axis of the gas inflow pipe 6, and is integrally connected to the gas-liquid collision unit 7;
  • the housing 10 is detachably connected to the pipe body 9.
  • the housing 10 is detachably connected to the pipe body 9, but the pipe body 9 and the housing 10 may be integrally formed. Further, in the present embodiment, as shown in FIG.
  • ⁇ ′ is 20 ° to 180 °. It is preferably 95 ° to 180 °, more preferably 135 ° to 180 °.
  • the pipe body 9 is a cylindrical body integrally connected to the gas-liquid collision part 7 between the raw water inflow pipe 5 and the gas inflow pipe 6. Therefore, the members forming the raw water inflow pipe 5, the gas inflow pipe 6, and the pipe main body 9 are integrally molded products made of resin or metal in this embodiment.
  • the integrally molded product may be formed in a T-shape when viewed from the surface.
  • the pipe body 9 is formed so as to surround a cylindrical guide tube 11 formed in communication with the gas-liquid collision portion 7, and therefore has an inner diameter sufficiently larger than the inner diameter of the guide tube 11. is doing.
  • the housing 10 is made of a resin or metal formed in a substantially cylindrical shape, that is, in a pipe shape.
  • One end side is a substantially cylindrical insertion portion 12 that is inserted into the pipe body 9, and the other end side is a pipe body 9.
  • the main body 13 is a substantially cylindrical housing body 13 pulled out from the housing.
  • An annular flange portion 14 is formed between the insertion portion 12 and the housing body 13. The flange portion 14 is configured to contact an annular flange 9 a provided at an end portion of the pipe body 9 when the insertion portion 12 is inserted into the pipe body 9.
  • the joint clip 15 is attached to the flange portion 14 and the flange 9a as shown in FIGS. 2A and 2B.
  • the flange portion 14 and the flange 9a are held and fixed in contact with each other.
  • the joint clip 15 is a metal leaf spring formed in a substantially ring shape, and has an elongated opening 15a that engages with the flange portion 14 and the flange 9a along the circumferential direction thereof.
  • the joint clip 15 is expanded between one end side and the other end side, and the flange portion 14 and the flange 9a are inserted into the joint clip 15. Thereafter, the end portion is closed between the other end side and the flange portion is opened in the opening 15a. 14, the flange portion 14 and the flange 9 a can be held and fixed by the joint clip 15 by engaging and projecting the flange 9 a.
  • two O-rings 16, 16 are wound around the outer peripheral surface of the insertion portion 12 of the housing 10. These O-rings 16, 16 are provided so as to partially protrude in grooves (not shown) formed around the outer peripheral surface of the insertion portion 12. Under such a configuration, when the insertion portion 12 is inserted into the pipe main body 9, the O-rings 16 and 16 are interposed between the inner wall surface of the pipe main body 9 and the pipe main body 9. 9 is hermetically connected.
  • a cylindrical vortex generating member (vortex generating portion) 17 is accommodated in the internal hole of such an insertion portion 12. That is, a stepped portion 12a is formed in the inner hole of the insertion portion 12 substantially at the boundary with the housing body 13 side, and the vortex generating member 17 is placed on the stepped portion 12a. As shown in FIGS. 3A to 3C, the vortex generating member 17 includes a cylindrical portion 18 and a drift plate 19 integrally formed in the cylindrical portion 18.
  • 3A is a perspective view of the vortex generating member 17
  • FIG. 3B is a plan view of the vortex generating member 17
  • FIG. 3C is a side sectional view of the vortex generating member 17.
  • the vortex generating member 17 has an upper end portion of the cylindrical portion 18, that is, an end portion on the gas-liquid collision portion 7 side, and a rear side of the central axis of the mixed liquid pipe 8 (housing 10) (gas-liquid collision portion 7 side).
  • a taper surface 18a from the inside toward the outside as it goes from the front to the front side (the side opposite to the gas-liquid collision portion 7) is formed over the entire circumference of the upper end portion.
  • the taper surface 18a and the surface facing the taper surface 18a that is, the inner wall surface of the mixed liquid pipe 8 (insertion portion 12 of the housing 10) facing the upper end portion of the vortex generating member 17 shown in FIG. 2B.
  • a groove 20 is formed between them.
  • the groove portion 20 is formed to open toward the gas-liquid collision portion 7 over the entire circumference of the upper end portion of the vortex generating member 17, and is a part of the first vortex generating mechanism in the present invention, that is, the upstream side 1 eddy current generating mechanism is configured.
  • a part of the gas mixture flowing from the gas-liquid collision part 7 through the guide tube 11 and into the insertion part 12 by the groove part 20 is the bottom surface of the groove part 20, that is, the tapered surface. It collides with 18a and reverses its flow to form a minute vortex.
  • size are not limited to the form shown to FIG. 3A and FIG. 3B, if it is arrange
  • the form of can be adopted.
  • a relatively small circular guide port 19b as shown in FIG. 4A and a plurality of smaller circular guide ports 19c as shown in FIG. 4B may be arranged.
  • the guide port 19b shown in FIG. 4A and the guide port 19c shown in FIG. 4B are formed so that the total opening area thereof is substantially the same as the inner diameter of the guide tube 11 as with the guide port 19a. Is preferred. 4A and 4B show only the drift plate 19, but these drift plates 19 are provided in the cylindrical portion 18 shown in FIGS. 3A to 3C to constitute the vortex generating member 17. .
  • the inner hole 21a of the large diameter portion 21 is formed in a tapered shape that gradually becomes smaller in diameter toward the small diameter portion 22 side.
  • the lower end side that is, the side communicating with the inner hole 22a of the small diameter portion 22 is a tapered surface 21b having a large inclination angle (taper angle) formed by the inner wall surface. That is, the tapered surface 21b is formed to be inclined with respect to the central axis (not shown) so as to go from the outside to the inside as it goes to the small diameter portion 22 side.
  • a groove portion 24 is formed between the upper end portion of the mixing pipe 23 and the inner wall surface (housing main body 13 of the housing 10) of the mixed liquid pipe 8 facing the upper end portion, that is, the tapered surface 21b. Yes.
  • the groove portion 24 is formed to open to the gas-liquid collision portion 7 side, that is, the vortex generating member 17 side constituting the upstream first vortex generating mechanism over the entire circumference of the upper end portion of the mixing pipe 23,
  • the downstream 1st eddy current generation mechanism used as a part of the 1st eddy current generation mechanism in this invention is comprised.
  • the first vortex flow is generated by such a downstream first vortex generating mechanism having the mixing pipe 23 as a vortex generating portion and the upstream first vortex generating mechanism having the vortex generating member 17 as a vortex generating portion.
  • a generation mechanism is configured.
  • the upper end of the mixing pipe 23 constitutes a downstream first vortex generating mechanism, but in the present embodiment, a second vortex generating mechanism is formed inside thereof separately from this. That is, the mixing pipe 23 has a narrow portion 25 and a flow path changing portion 26 inside as shown in FIGS. 5A to 5C.
  • 5A is a perspective view of the mixing pipe 23
  • FIG. 5B is a plan view of the mixing pipe 23
  • FIG. 5C is a side sectional view of the mixing pipe 23.
  • the narrow portion 25 is provided with a first baffle plate 27 a extending from a part of the inner wall surface of the mixing pipe 23 toward the center side. This is an opening formed between the tip of the baffle plate 27 a and the inner wall surface of the mixing pipe 23. As described above, since the inner hole of the mixing pipe 23 is partially closed by the first baffle plate 27a, the remaining opening portion inevitably narrows the opening area, so that the flow path of the gas mixture can be made upstream. It becomes the site
  • a second baffle plate 27b extends from another part of the inner wall surface of the mixing pipe 23 toward the center side. Is provided. Since the second baffle plate 27b is arranged directly under the narrow portion 25 in this way, the gas mixture flowing through the narrow portion 25 collides with the second baffle plate 27b, and then the second baffle plate 27b. It flows through an opening 27 c formed between the tip of the mixing pipe 23 and the inner wall surface of the mixing pipe 23. Accordingly, the second baffle plate 27b and the opening 27c formed on the tip side of the second baffle plate 27b constitute a flow path changing portion 26 that changes the flow path to the side of the narrow portion 25.
  • the mixing pipe 23 is formed with two notches 28a and 28b on the side wall as shown in FIGS. 5A and 5C. These notches 28a and 28b are mainly used for forming the first baffle plate 27a and the second baffle plate 27b. Moreover, the annular fitting convex part fitted to the fitting recessed part (not shown) formed in the lower end part of the small diameter part 22 of the housing main body 13 as shown in FIG. 2B at the lower end part of the mixing pipe 23 29 is formed. The fitting pipe 29 is detachably fitted into the fitting recess at the lower end of the small-diameter portion 22, so that the mixing pipe 23 is detachably accommodated in the housing body 13.
  • the mixing pipe 23 accommodated and fixed in the housing body 13 in this way has an opening on the lower end side serving as a gas mixture jet outlet of the gas-liquid mixing device 2. Therefore, although not shown, the hose and the shower head are attached to the small diameter portion 22 of the housing body 13. Therefore, the small diameter portion 22 has a male screw portion (not shown) formed on the outer peripheral surface thereof, and a hose is detachably attached thereto.
  • the raw water supply source 3 is a water pipe, and therefore, the raw water side pipe 30 is disposed between the water pipe and the raw water inflow pipe 5.
  • the water pipe or the raw water inflow pipe 5 may be provided with a heating device (not shown) for heating the tap water to a predetermined temperature, for example, a preset temperature of about 30 ° C. to 45 ° C. .
  • a heating device not shown
  • the temperature within the above temperature range, preferably about 35 ° C. to 40 ° C.
  • a predetermined amount of sodium chloride may be dissolved in tap water as raw water in advance to obtain physiological saline for medical purposes. Furthermore, you may add the fragrance
  • the raw water supply source 3 various water sources can be used in addition to the water pipe.
  • the gas supply source 4 in this embodiment, a gas cylinder filled with carbon dioxide gas at a pressure (gauge pressure) of about 0.5 MPa is used.
  • the raw water side pipe 30 is provided with a first pressure switch 32 serving as a pressure switch of the present invention.
  • the first pressure switch 32 reduces the pressure of the raw water flowing in the raw water side pipe 30 (in the raw water inflow pipe 5) without narrowing the flow path of the raw water side pipe 30, that is, the raw water inflow pipe 5.
  • This is a sensor to detect, and has a known configuration in which a switch is turned on when a predetermined pressure higher than a preset pressure is detected and the switch is turned off when the pressure is lower than a predetermined pressure.
  • the first pressure switch 32 is electrically connected to the control unit 40, and transmits a detected on / off signal to the control unit 40.
  • the gas side pipe 31 connected to the gas side supply pipe 6 of the gas-liquid mixing apparatus 2 shown in FIGS. 6A and 6B includes an electromagnetic valve 33 in the path between the gas supply source 4 as shown in FIG. (Control valve) and a second pressure switch 34 are provided.
  • the second pressure switch 34 is disposed on the gas supply source 4 side, detects the pressure of the carbon dioxide gas flowing through the gas side pipe 31, and is equal to or higher than a preset pressure (for example, 0.3 MPa [gauge pressure]). If so, the switch is turned on, and if it is less than a preset pressure, the switch is turned off. Therefore, the second pressure switch 34 functions as a fuel gauge for determining the residual pressure in the gas cylinder constituting the gas supply source 4, that is, the remaining amount of carbon dioxide in the gas cylinder.
  • a preset pressure for example, 0.3 MPa [gauge pressure]
  • the second pressure switch 34 is also electrically connected to the control unit 40, and transmits an on / off signal based on the detection result to the control unit 40.
  • the control unit 40 whether or not the detection result of the second pressure switch 34, that is, the remaining amount of the gas supply source 4 (gas cylinder) is equal to or higher than a preset pressure (amount) is displayed on the display unit of the operation panel (not shown). Is displayed.
  • the electromagnetic valve 33 is disposed on the downstream side of the second pressure switch 34 and adjusts the supply of carbon dioxide from the gas supply source 4 by opening and closing thereof. That is, when the electromagnetic valve 33 is opened, carbon dioxide is supplied from the gas supply source 4 to the gas inflow pipe 6 of the gas-liquid mixing device 2, and when closed, the supply of carbon dioxide is stopped.
  • the opening and closing of the electromagnetic valve 33 is controlled by being electrically connected to the control unit 40.
  • the control unit 40 receives the on / off signal from the first pressure switch 32 and controls the opening / closing of the electromagnetic valve 33 based on the on / off signal. That is, the first pressure switch 32 detects that the pressure in the raw water side pipe 30 (raw water inflow pipe 5) is equal to or higher than a predetermined pressure, and therefore the raw water is flowing at a predetermined flow rate or higher, and controls the ON signal. When transmitting to the unit 40, the control unit 40 transmits an ON signal to the electromagnetic valve 33 in order to open the electromagnetic valve 33. Then, the electromagnetic valve 33 is opened, and carbon dioxide gas is supplied to the gas-liquid mixing device 2.
  • the pressure in the raw water side pipe 30 (raw water inflow pipe 5 control unit 40) is less than a predetermined pressure, and therefore the first pressure switch 32 cannot detect that the raw water is flowing at a predetermined flow rate or higher. In this case, the ON signal is not transmitted to the control unit 40, and thus the control unit 40 closes the electromagnetic valve 33 without opening it. Then, since the electromagnetic valve 33 is closed, the carbon dioxide gas is not supplied to the gas-liquid mixing device 2.
  • carbon dioxide gas is supplied to the gas-liquid mixing device 2 only when the raw water flows at a predetermined flow rate or higher and is supplied to the gas-liquid mixing device 2, so that the carbon dioxide gas is excessive. Consumption is prevented, and the gas mixture to be produced, that is, the carbon dioxide concentration in the carbonated water is adjusted to an appropriate range set in advance.
  • the control unit 40 includes a CPU, a memory device, and the like, and has an operation panel that also functions as a display unit.
  • the entire gas-liquid mixing system 1 is turned on and off, and various data are output via the operation panel. Can be done. That is, the control unit 40, based on the signals from the first pressure switch 32 and the second pressure switch 34 described above, supply time (supply amount) of raw water, supply time (supply amount) of carbon dioxide gas, The remaining amount of carbon dioxide gas from the gas supply source 4 is calculated.
  • the various information calculated in this way can be output to an external terminal such as an iOS terminal or an Android via the output unit 35 in the control unit 40.
  • an external terminal such as an iOS terminal or an Android
  • the output part 35 what is output by communication means (for example, Bluetooth (trademark) etc.) which is not illustrated is provided.
  • a tablet, a smartphone, or the like is preferably used, and various information calculated by the control unit 40 can be easily received.
  • a hairdressing and beauty shop having a plurality of hair basins as in the present embodiment, when the gas-liquid mixing system 1 is disposed in each basin, various information is output from the gas-liquid mixing system 1 of each basin. Various information can be input to one external terminal. Therefore, the person in charge of the hairdressing and beauty shop can easily check the operating status of each hair basin, the past driving history, and the like by looking at the external terminal to which various information has been input.
  • water hot water
  • tap water as the raw water supply source 3
  • a predetermined pressure set in advance, for example, 0.10 to 0.20 MPa, preferably 0.10 to 0.15 MPa (gauge pressure).
  • Flow in side pipe 30 By supplying the raw water at such a predetermined pressure, in this embodiment, the flow rate is set to be, for example, about 6 to 15 l / min, preferably about 6 to 10 l / min.
  • the first pressure switch 32 detects this and opens the electromagnetic valve 33 via the control unit 40.
  • the second pressure switch 34 detects the remaining pressure (remaining amount) in the gas supply source (gas cylinder) 4 and displays the result on the operation panel of the control unit 40. Therefore, if the residual pressure of the gas supply source 4 is equal to or higher than a preset pressure, the operator proceeds with the production of carbonated water as it is. Moreover, when the residual pressure of the gas supply source 4 is less than a preset pressure, the gas supply source 4 is exchanged as necessary.
  • the gas supply source (gas cylinder) 4 is provided with a pressure regulator and a pressure gauge. For example, the replacement timing of the gas supply source 4 can be determined by checking the pressure gauge.
  • Carbon dioxide gas that has passed through the solenoid valve 33 is adjusted to have a flow rate of, for example, about 4 to 12 l / min, preferably about 5 to 11 l / min, by a flow rate regulator (not shown) provided on the upstream side or downstream side of the solenoid valve 33. Adjusted to When raw water is supplied from the raw water supply source 3 to the raw water inflow pipe 5 via the raw water side pipe 30, and carbon dioxide is supplied from the gas supply source 4 to the gas inflow pipe 6 via the gas side pipe 31, FIG. The raw water and carbon dioxide gas (gas) collide at the gas-liquid collision part 7 and are mixed as indicated by arrows in FIG. Then, it flows into the mixed liquid pipe 8 through the guide pipe 11.
  • a flow rate regulator not shown
  • the raw water and the carbon dioxide gas collide with each other in the gas-liquid collision unit 7, and the gas mixture obtained in a direction different from at least one of the raw water and the carbon dioxide gas without being biased to one side is guided,
  • the collision energy is maximized, the carbon dioxide is sufficiently mixed with the raw water, and the solubility of the carbon dioxide in the raw water is increased.
  • the saturated concentration of carbon dioxide with respect to water at a temperature of 40 ° C. is about 1000 ppm.
  • the gas-liquid mixing unit 2 after colliding with the gas-liquid collision unit 7, the gas-liquid mixing unit 2 passes through the guide tube 11 by flowing into the mixed solution pipe 8 through the guide tube 11.
  • the concentration of carbon dioxide in the gas mixture could be adjusted to about 800 to 850 ppm.
  • natural water exists as a state which became a bubble and was mixed in the gas liquid mixture.
  • the gas mixed solution (carbonated water) that has flowed into the mixed solution pipe 8 flows toward the vortex generating member 17 provided in the insertion portion 12 of the housing 10. At that time, a part of the gas mixture liquid flows toward the groove portion 20 (upstream first vortex generating mechanism) provided between the upper end portion of the vortex generating member 17 and the inner wall surface of the insertion portion 12. As shown by the arrows in FIG. 7, a minute vortex is generated. That is, the gas mixed solution collides with the bottom surface (tapered surface 18 a) of the groove portion 20, reverses the flow thereof, and flows in a direction intersecting with the central axis of the mixed solution pipe 8, thereby generating a minute vortex.
  • the bubbles in the gas mixture are refined and the specific surface area is increased.
  • the contact area of the carbon dioxide gas which forms a bubble, and gas mixed liquid (raw water) increases, and melt
  • the gas mixture whose carbon dioxide concentration is increased by the upstream first vortex generating mechanism passes through the guide port 19a of the drift plate 19 of the vortex generating member 17, as indicated by an arrow in FIG. And flows on the inner wall surface side of the inner hole 21 a of the large-diameter portion 21 of the housing body 13.
  • most of the gas mixture is a groove portion 24 (downstream first vortex generating mechanism) provided between the inner wall surface of the inner hole 21 a of the large diameter portion 21, that is, the tapered surface 21 b, and the upper end portion of the mixing pipe 23.
  • a minute vortex is generated as shown by an arrow in FIG. That is, the gas mixed liquid collides with the bottom surface (tapered surface 21 b) of the groove portion 24, reverses the flow thereof, and flows in a direction intersecting with the central axis of the mixed liquid piping 8, thereby generating a minute vortex.
  • the gas mixture that has flowed into the mixing pipe 23 is pressurized by flowing through the narrow portion 25 as shown in FIG. 5C, thereby increasing the solubility of the carbon dioxide gas in the gas mixture.
  • the flow is reversed by the second baffle plate 27 b and flows in a direction crossing the central axis of the mixed liquid pipe 8, thereby generating a vortex.
  • eddy_current is produced also when a flow path is changed toward the opening 27c after that.
  • bubbles in the gas mixture are refined, and dissolution of carbon dioxide in the gas mixture (raw water) is promoted.
  • the gas mixture is increased to a carbon dioxide concentration of about 1000 ppm, which is a saturated concentration.
  • the gas-liquid mixed solution (carbonated water) in which carbon dioxide gas is dissolved to a saturation concentration in this way is supplied to a hose connected to the small diameter portion 22 of the housing body 13 and a shower head provided at the tip of the hose. It is made to erupt through and is used for hair washing.
  • the gas-liquid mixing device 2 of the present embodiment causes the raw water supplied by the raw water inflow pipe 5 and the carbon dioxide gas (gas) supplied by the gas inflow pipe 4 to collide with each other, and the mixed liquid Since the gas mixture is guided in a direction different from at least one of the raw water and carbon dioxide without being biased to one side by the pipe 8, the collision energy is maximized with a simple structure and the solubility of carbon dioxide in the raw water is increased. Can do. Accordingly, a driving source such as a pump is not required, and carbonated water having a relatively high solubility can be produced with a simple structure. This makes it possible to reduce the size and cost of the gas-liquid mixing device. .
  • the first eddy current generating mechanism includes grooves 20 and 24 formed between the upper end portion of the vortex generating portion including the vortex generating member 17 and the mixing pipe 23 and the inner wall surface of the mixed liquid pipe 8 facing the upper end portion. Therefore, by causing the gas mixture to collide with the bottom surfaces of the groove portions 20 and 24 and reversing the flow, a fine vortex can be formed and the bubbles in the gas mixture can be miniaturized. Therefore, the dissolution of carbon dioxide in the raw water (gas mixture) can be promoted.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Accessories For Mixers (AREA)
  • Devices For Medical Bathing And Washing (AREA)
PCT/JP2015/053271 2014-02-05 2015-02-05 気液混合装置及び気液混合システム WO2015119204A1 (ja)

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JP2015510207A JP5952959B2 (ja) 2014-02-05 2015-02-05 気液混合装置及び気液混合システム
CN201580007313.2A CN105992636B (zh) 2014-02-05 2015-02-05 气液混合装置以及气液混合系统
KR1020167020740A KR101858886B1 (ko) 2014-02-05 2015-02-05 기액 혼합 장치 및 기액 혼합 시스템

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WO2018023713A1 (en) * 2016-08-05 2018-02-08 Cornelius, Inc. Apparatuses for mixing gases into liquids
CN109966941A (zh) * 2019-05-13 2019-07-05 江苏炬焰智能科技有限公司 碳酸泉混合器
US10477883B2 (en) 2015-08-25 2019-11-19 Cornelius, Inc. Gas injection assemblies for batch beverages having spargers
US10785996B2 (en) 2015-08-25 2020-09-29 Cornelius, Inc. Apparatuses, systems, and methods for inline injection of gases into liquids
US11040314B2 (en) 2019-01-08 2021-06-22 Marmon Foodservice Technologies, Inc. Apparatuses, systems, and methods for injecting gasses into beverages

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CN107261876B (zh) * 2017-07-31 2023-04-18 广东大任生物科技有限责任公司 一种气液混合装置
US20200360875A1 (en) * 2019-05-14 2020-11-19 Sodastream Industries Ltd. Carbonation machine and a gas canister for a carbonation machine
CN111115787B (zh) * 2020-01-17 2024-07-12 南京昭凌精密机械有限公司 一种制备高浓度碳酸泉的融合装置
TWI764774B (zh) * 2021-07-02 2022-05-11 信紘科技股份有限公司 氣液混合裝置及方法

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KR101858886B1 (ko) 2018-05-16
JP2016027942A (ja) 2016-02-25
TWI584873B (zh) 2017-06-01
CN105992636B (zh) 2018-05-22
TWI629096B (zh) 2018-07-11
TW201706036A (zh) 2017-02-16
JP6224049B2 (ja) 2017-11-01
JP6147313B2 (ja) 2017-06-14
KR20160104046A (ko) 2016-09-02
JP5952959B2 (ja) 2016-07-13
JPWO2015119204A1 (ja) 2017-03-23
TWI615193B (zh) 2018-02-21
TW201536407A (zh) 2015-10-01

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