WO2020034635A1 - 一种微气泡获得装置 - Google Patents

一种微气泡获得装置 Download PDF

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Publication number
WO2020034635A1
WO2020034635A1 PCT/CN2019/078206 CN2019078206W WO2020034635A1 WO 2020034635 A1 WO2020034635 A1 WO 2020034635A1 CN 2019078206 W CN2019078206 W CN 2019078206W WO 2020034635 A1 WO2020034635 A1 WO 2020034635A1
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WO
WIPO (PCT)
Prior art keywords
water inlet
water
obtaining device
vortex
microbubble
Prior art date
Application number
PCT/CN2019/078206
Other languages
English (en)
French (fr)
Inventor
许铮峯
Original Assignee
乔登卫浴(江门)有限公司
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.)
Filing date
Publication date
Application filed by 乔登卫浴(江门)有限公司 filed Critical 乔登卫浴(江门)有限公司
Priority to KR2020217000011U priority Critical patent/KR20210000535U/ko
Priority to JP2020600014U priority patent/JP3233628U/ja
Priority to US17/260,429 priority patent/US11400424B2/en
Priority to GB2101129.1A priority patent/GB2590283A/en
Priority to DE212019000324.9U priority patent/DE212019000324U1/de
Publication of WO2020034635A1 publication Critical patent/WO2020034635A1/zh
Priority to AU2021100322A priority patent/AU2021100322A4/en

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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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B01F25/103—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components with additional mixing means other than vortex mixers, e.g. the vortex chamber being positioned in another mixing chamber
    • 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
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4522—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through porous bodies, e.g. flat plates, blocks or cylinders, which obstruct the whole diameter of the tube
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
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    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
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    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/2366—Parts; Accessories
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    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01F25/3123—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements
    • B01F25/31232—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements used simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31241—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the circumferential area of the venturi, creating an aspiration in the central part of the conduit
    • 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
    • B01F25/44—Mixers in which the components are pressed through slits
    • B01F25/441—Mixers in which the components are pressed through slits characterised by the configuration of the surfaces forming the slits
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
    • B01F25/45211—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube the elements being cylinders or cones which obstruct the whole diameter of the tube, the flow changing from axial in radial and again in axial
    • 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
    • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
    • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
    • B01F25/4523—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through sieves, screens or meshes which obstruct the whole diameter of the tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
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    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/914—Tangential flow, i.e. flow spiraling in a tangential direction in a flat plane or belt-like area
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/305—Treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
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    • B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01F23/2373—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 for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237611—Air

Definitions

  • the invention relates to a fluid device and a microbubble obtaining device.
  • hydraulic fluids containing bubbles have also been applied to daily life. Can be used to soak or rinse vegetables, fruits, dishes, but also for bathing and showering.
  • air can be pushed in by external power, such as compressors and air pumps; negative pressure generated by water flow can also be used to suck air in, such as air bubble acquisition devices with venturi or vortex structures.
  • the Venturi-shaped bubble acquisition device mainly uses the principle that the water flow speed increases and the water pressure decreases.
  • the Venturi tube structure air bubble obtaining device is provided with a tapered pipeline to increase the speed of the water flow and form a vacuum zone at the throat of the pipeline that is lower than the external atmosphere.
  • the vacuum zone draws external air into the pipeline.
  • the bubble obtaining device of the vortex structure mainly uses the principle that the center pressure of the centrifugal movement is low.
  • the bubble obtaining device of the vortex structure rotates the water flow and generates a centrifugal effect, and then forms a vacuum area lower than the external atmosphere at the center of the rotation, and the vacuum area draws external air into the pipeline.
  • the micro-bubble generator and the micro-bubble generating device may be collectively referred to as a micro-bubble obtaining device.
  • the above micro-bubble obtaining device can make micro-bubbles with a diameter of several tens of micrometers or even several micrometers or less in water, further extend the residence time of the bubbles in the water, and increase the ratio of the surface area to the volume of the bubbles, so that the bubbles have higher The adsorption characteristics, therefore, the cleaning and decontamination ability can be improved.
  • the advantage of the vortex structure over the venturi structure is that the length of the bubble obtaining device is reduced, and it is not sensitive to changes in water flow. Therefore, the existing microbubble obtaining devices mostly adopt a vortex structure.
  • the center of the vortex structure coincides with the center of the pipeline, that is, the vortex chamber is upright, which causes the microbubble obtaining device to have a narrow ring shape that communicates with the vortex structure.
  • the water inlet obstructs the flow of water, which makes it difficult to inhale.
  • Increasing the size of the annular water inlet also makes the diameter of the microbubble obtaining device larger, making it difficult to apply to conventional water pipe specifications.
  • the present invention aims to solve the technical problems mentioned above, and provides a microbubble obtaining device, which can reduce the obstacle to the flow of water, and at the same time avoids increasing the volume of the microbubble obtaining device.
  • a micro-bubble obtaining device includes a first body.
  • the first body is provided with a water inlet and a water outlet, a vortex cavity connecting the water inlet and the water outlet, and an air inlet connecting the vortex cavity.
  • the water outlet is provided with a bubble cutting device.
  • the first body is provided with a first side wall and a first bottom wall for forming a vortex cavity, and the first side wall is provided with a water inlet hole communicating with the vortex cavity.
  • the first body is provided with a beam piece covering the vortex cavity, and the beam piece is provided with a water outlet hole connecting the vortex cavity and the water outlet, and the cross-sectional area of the water outlet hole decreases along the direction of the water flow.
  • the outer contour of the beam member is set to match the water outlet.
  • the beam member is manufactured integrally with the first side wall.
  • the direction of the water inlet hole is set along the tangential direction of the vortex cavity.
  • the air intake passage includes a first air passage provided along the axis of the scroll cavity, and a second air passage provided along the radial direction of the scroll cavity.
  • the first air passage communicates with the second air passage and the first air passage communicates. Outside, the second airway communicates with the vortex cavity.
  • the number of water inlets is set corresponding to the number of vortex chambers.
  • the water outlet is provided with a perforation pulverizing and refining structure for chopping air bubbles.
  • a micro-bubble obtaining device of the present invention sets the water inlet axis to the water inlet axis away from the axis of the vortex cavity by offsetting the axis of the vortex cavity from the axis of the water inlet.
  • the water inlet connecting the vortex cavity is changed from a narrow ring shape to a crescent shape or a column shape, thereby preventing water flow from passing through the narrow gap, thereby increasing the radial size of the flow, reducing the flow resistance, and facilitating the flow of water into the vortex.
  • the diameter of the microbubble obtaining device does not increase or can even be reduced. Therefore, the microbubble obtaining device can be miniaturized and conveniently connected to or arranged inside a water pipe, which has good versatility.
  • FIG. 1 is a schematic sectional view of a microbubble obtaining device according to the present invention.
  • FIG. 2 is a cross-sectional schematic view of a vortex cavity of the microbubble obtaining device of FIG. 1;
  • FIG. 3 is a schematic structural diagram of another embodiment of the microbubble obtaining device of FIG. 1;
  • FIG. 4 is an exploded view of the microbubble obtaining device of FIG. 1;
  • FIG. 5 is a schematic diagram of a progressive perforated pulverization and refinement structure in the microbubble obtaining device of FIG. 1.
  • connection relationships mentioned in the article are not directly connected by single-finger members, but mean that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories.
  • Various technical features in the present invention can be combined and interacted on the premise of not conflicting with each other.
  • a microbubble obtaining device includes a first body 1.
  • the first body 1 is provided with a water inlet 2, a water outlet, a vortex cavity 3 connecting the water inlet 2 and the water outlet, and a communication vortex cavity 3.
  • the air inlet 11 and the water outlet are provided with a structure that generates microbubbles.
  • the center lines in FIG. 1 are the 2 axis of the water inlet and the 3 axis of the vortex cavity.
  • the intake duct 11 may be connected to a compressor, an air pump, and the like, and further, the external force may be used to press air into the scroll chamber 3.
  • the air inlet 11 can also take in air by using the negative pressure generated by the water flow.
  • the first body 1 is provided with a first side wall 3b and a first bottom wall 3a for forming the vortex cavity 3, and the first side wall 3b is provided with a water inlet hole 12a that communicates with the vortex cavity 3, and enters the water.
  • the direction of the hole 12a is offset from the center of the vortex cavity 3, so that water flows through the water inlet hole 12a to generate a vortex flow.
  • the water inlet 2 is usually disposed on the first bottom wall 3a, and the air inlet 11 includes a first air channel provided along the axis direction of the scroll chamber 3, and a second air channel provided along the axis direction of the scroll chamber 3, the first The air passage communicates with the second air passage, the first air passage communicates with the outside world, and the second air passage communicates with the vortex cavity 3, which is convenient for manufacturing and does not affect the installation and use of the microbubble obtaining device.
  • the first body 1 may be installed at one end near the water inlet 2 or integrally manufactured with a connector, so that the micro-bubble obtaining device can be fixed on the faucet.
  • the first body 1 can also be installed in a water pipe, and the first body 1 and the water pipe are sealed by a sealing ring, so that water flows into the water inlet 2 and then flows out through the scroll chamber 3 and the water outlet.
  • the water inlet 2 may be a water channel portion of the water pipe close to the first body 1, and the water inlet 2 may be omitted from the first body 1.
  • the axis of the vortex cavity 3 and the axis of the water inlet 2 are coincident, which will be referred to as the upright vortex cavity 3 or the upright vortex structure in the following, which results in the narrow loop of the microbubble obtaining device.
  • the shape of the water inlet 12 obstructs the flow of water, which makes it difficult to inhale.
  • Increasing the size of the annular water inlet 12 also increases the diameter of the microbubble obtaining device, making it difficult to apply to conventional water pipe specifications.
  • the discussion of the beneficial effects and disadvantages of the upright and offset vortex structure here does not affect the combination of the upright or offset vortex structure and the progressive perforated pulverization and refinement structure described below. That is, the vortex structure, which is either upright or offset, can be combined with the progressive perforating pulverization and refinement structure below to form a microbubble obtaining device.
  • the axis of the vortex cavity 3 can be offset from the axis of the water inlet 2, and the vortex cavity 3 is provided with a communication inlet.
  • the water inlet 12 of the water channel 2 is provided on the side of the axis of the water channel 2 facing away from the axis of the scroll chamber 3, that is, an offset scroll structure is adopted.
  • the micro-bubble obtaining device of this embodiment offsets the axis of the vortex cavity 3 from the axis of the water inlet 2 to set the water inlet 12 on the side of the axis of the water inlet 2 facing away from the axis of the vortex cavity 3, so that the vortex is connected.
  • the water inlet 12 of the cavity 3 is changed from a narrow ring shape to a crescent shape or a column shape, thereby preventing the water flow from passing through the narrow gap, thereby increasing the radial size of the water flow, reducing the water flow resistance, and facilitating the flow of water into the vortex cavity 3.
  • the diameter of the microbubble obtaining device does not increase or can even be reduced. Therefore, the microbubble obtaining device can be miniaturized and conveniently connected to or arranged inside a water pipe, which has good versatility.
  • the main pipe diameters of domestic water pipes are mainly two types: outer diameter 28mm and outer diameter 22mm. Take the outer diameter of 28mm as an example. If the bubble generating device is to be built-in, its outer diameter is required. It cannot exceed 24.5mm. That is to say, the water inlet 12 can only be set in an annular area with a width not exceeding 2.5mm, which makes the area of the water inlet 12 smaller, or, compared with the conventional circular hole-shaped water inlet 12, the water inlet The increase of the outer contour length of 12 hinders the flow of water. Therefore, the back pressure will increase sharply, which will affect the suction effect of the vortex, and even cause the pipeline flow to decrease significantly.
  • the existing structure of the upright scroll chamber 3 is difficult to be built into a pipe with a diameter of 28 mm.
  • the present invention uses an offset scroll chamber 3. Due to the offset of the vortex chamber 3, the axis of the vortex chamber 3 is offset from the axis of the water inlet 2 by a distance. This distance allows the water inlet 12 to be arranged in a crescent-shaped area to obtain a radius difference of 3mm to 4mm.
  • the water inlet 12 can be approached from a narrow strip to an ellipse or a circle, reducing the outer contour length of the water inlet 12 to facilitate water flow through the water inlet 12, without increasing the outer diameter of the first body 1, in other words
  • the offset vortex cavity 3 can make the volume and occupied space of the microbubble obtaining device smaller, which is convenient for being built in a domestic water pipe.
  • the number of water inlets 12 is set corresponding to the number of vortex chambers 3. That is, by changing the large vortex chamber 3 into a plurality of small vortex chambers 3, and further forming a plurality of circular hole-shaped water inlets 12, the situation in which the water inlet 12 is narrow can also be changed.
  • the first body 1 is provided with a beam piece 14 covering the vortex cavity 3, and the beam piece 14 is provided with a water outlet hole 13 connecting the vortex cavity 3 and the water outlet.
  • the cross-sectional area decreases along the direction of the water flow, so that air and water can be sufficiently mixed to generate air bubbles.
  • the change in the cross-sectional area of the water outlet hole 13 can also accelerate the water flow, compress the bubbles and promote the breakage of the bubbles.
  • the outer contour of the beam piece 14 can be matched with the water outlet, that is, the beam piece 14 is manufactured separately, which does not increase the difficulty of manufacturing the vortex chamber.
  • the beam member 14 can also be manufactured integrally with the first side wall 3b, but manufacturing needs to be improved, and the first bottom wall 3a and the first side wall 3b need to be manufactured separately.
  • the direction of the water inlet hole 12a can be set along the tangential direction of the scroll cavity 3.
  • the number of water inlet holes 12a can be made two, that is, auxiliary water inlet holes 12b are provided so that the total area of the water inlet holes 12a does not decrease or increase. Big.
  • the microbubble obtaining device In order to solve the problems of easy clogging of the filter screen and the insufficient level of microbubbles generated by the conical net in the prior art, as shown in Figs. 1, 4, and 5, the microbubble obtaining device also uses a progressive perforating pulverizing fine
  • the progressive perforated pulverization and refinement structure is not only applicable to the micro-bubble obtaining device of the upright vortex structure, but also applicable to the micro-bubble obtaining device of the offset vortex structure.
  • the progressive perforating pulverization and refinement structure includes a thin-walled primary pulverization refinement 4 and a secondary pulverization refinement 5.
  • the primary pulverization refinement 4 and the secondary pulverization refinement 5 are each provided with several
  • the micropore channel 6 for pulverizing and refining air bubbles in the fluid is characterized in that the primary pulverizing and refining piece 4 and the secondary pulverizing and refining piece 5 cooperate to form a buffer space 8, and the primary pulverizing and refining piece 4 and the secondary pulverization fine At least a quarter of the micropore channels 6 of the chemical element 5 are overlapped or overlapped along the fluid flow direction.
  • the fluid flow direction is the axial direction of the channel in which the fluid is located.
  • a progressive perforating pulverizing and refining structure of this embodiment is provided with a thin-walled primary pulverizing and refining member 4 instead of a high-mesh filter screen.
  • the number of pores is reduced, and particles can be deposited and delayed. Clogging, so that the maintenance-free time of the microbubble obtaining device can be extended;
  • the water flow passes through the micro-channel 6 in a turbulent jet-like shape, causing collision and disturbance And shock excitation, the coarse bubbles can be crushed to obtain smaller bubbles, and the secondary crushing and refining part 5 is set to further refine the bubbles to the micro-nano level to meet the needs.
  • the bubbles can repeatedly collide, disturb and vibrate after passing through the primary crushing refinement 4; At least a quarter of the micropore channels 6 of the primary pulverizing and refining member 4 and the secondary pulverizing and refining member 5 are overlapped or overlapped along the fluid flow direction, so that bubbles can pass through the micropores of the primary pulverization and refining member 4 smoothly
  • the channel 6 flows to the micropore channel 6 of the secondary crushing and refining member 5, thereby reducing the flow resistance of the water flow and avoiding a large back pressure resistance at the progressive perforating crushing and refining structure, which does not affect the advancement of the microbubble obtaining device. Gas volume.
  • the progressive perforating pulverizing and refining structure adopts a method of setting a primary pulverizing and refining piece 4 and a secondary pulverizing and refining piece 5, and uses the opened micropore channel 6 as an outflow channel of a fluid working medium. Forms a pulverized and refined structure with two-stage progressive perforation.
  • the microchannel 6 on the primary pulverizing and refining member 4 is a first-stage perforation, and the second-stage perforation composed of the micro-channels 6 on the secondary pulverizing and refining member 5.
  • the flow has the characteristics of a jet flow, and at this time, the fluid velocity is accelerated and has the characteristics of turbulent flow.
  • a final-stage pulverizing and refining member 9 may also be provided.
  • the water may be stably flowed out without affecting the water outlet effect.
  • the diameter of the micropores 6 or / and their equivalent diameters can be 0.2 mm to 0.8 mm, otherwise the generated air bubbles are too large or cause insufficient water flow.
  • the primary pulverization and refinement member 4 can be It is provided in a tapered shape, and the tapered tip is provided in a direction facing away from the secondary crushing and refining member 5.
  • the secondary crushing and refining member 5 can be set in a cone shape with the tapered tip facing away from the primary crushing and refining member 4. Settings.
  • the primary crushing refinement 4 or the secondary crushing refinement 5 may be arranged in a pyramidal shape.
  • the primary pulverization and refinement piece 4 or the secondary pulverization and refinement piece 5 is arranged in a pyramidal shape, which also facilitates the superposition or overlap of the micropore channels 6 of the two.
  • the outer edge of the primary crushing and refining member 4 can be formed as a first place to receive the primary crushing and refining member 4 Ring 41.
  • the external of the secondary crushing and refining member 5 can be made.
  • the edge is provided with a positioning edge 51.
  • a transition space 10 is formed between the final-stage pulverizing and refining member 9 and the secondary pulverizing and refining member 5 to stabilize the water flow.
  • the primary crushing refinement 4 is connected to the final crushing refinement 9 and the secondary crushing refinement 5 is clamped and fixed.

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Abstract

一种微气泡获得装置，包括第一本体（1），第一本体（1）设置进水道（2）、出水道、将进水道（2）和出水道连通的涡旋腔（3）、连通涡旋腔（3）的进气道（11），涡旋腔（3）的轴线与进水道（2）的轴线偏置设置，涡旋腔（3）设置有连通进水道（2）的进水口（12），进水口（12）设置于进水道（2）轴线背向涡旋腔（3）轴线一侧。该装置可以减少对水流动的阻碍，同时避免增大微气泡获得装置的体积。

Description

一种微气泡获得装置
技术领域
本发明涉及流体装置，涉及一种微气泡获得装置。
背景技术
现有技术中，在水产养殖、废水处理、化学反应、医疗卫生、植物栽培以及工业清洗与除垢等领域，常常需要将气体混入水媒体中以获得含气泡的水工质，目的是增加空气与水的接触面积，来增进各种处理功效，最显而易见的是提高了清洗除垢的能力。
近年来，含气泡的水工质还被应用到日常生活领域， 可以用于浸泡或者冲洗蔬菜、水果、碗碟，也可以用于沐浴与淋洗。
为了使水中含有气泡，可以借助外部动力将空气压入，如压缩机和气泵；也可以利用水流动产生的负压将空气吸入，如文丘里管结构或涡旋结构的气泡获得装置。
文丘里管结构的气泡获得装置主要利用了水流速度增加而水压降低的原理。文丘里管结构的气泡获得装置通过设置渐缩的管路，使得水流增速并在管路的喉口处形成低于外部大气的真空区，籍此真空区将外部空气吸入到管路内。
涡旋结构的气泡获得装置主要利用了离心运动的中心压力低的原理。涡旋结构的气泡获得装置使得水流旋转并产生离心作用，进而在旋转中心处形成低于外部大气的真空区，真空区将外部空气吸入到管路内。
文丘里管结构具体可以参见台湾专利TW20170212400U微气泡产生器，涡旋结构具体可以参见中国专利CN102958589B微气泡产生装置和CN203916477U微气泡产生装置。微气泡产生器、微气泡产生装置，可以统称为微气泡获得装置。
上述微气泡获得装置可以使水中含有直径数十微米乃至数微米以下的微气泡，进而，使得延长气泡在水中的滞留时间，同时，使得气泡的表面积与体积的比值增大，使气泡具有较高的吸附特性，因而，清洁去污能力可以得到提升。
涡旋结构相对文丘里管结构的优点是减少气泡获得装置的长度，而且，对水流量的变化不敏感。因而，现有的微气泡获得装置多采用涡旋结构。
然而，现有设计中，涡旋结构的中心是与管路的中心重合的，也即，涡旋腔室是正置的，这就导致微气泡获得装置具有了连通涡旋结构的狭窄的环状进水口，阻碍水的流动，导致吸气困难，而加大环状进水口的尺寸还使得微气泡获得装置的直径增大，难以适用于常规的水管规格。
发明内容
本发明旨在解决上述所提及的技术问题，提供一种微气泡获得装置，可以减少对水流动的阻碍，同时，避免增大微气泡获得装置的体积。
本发明是通过以下的技术方案实现的：
一种微气泡获得装置，包括第一本体，第一本体设置进水道、出水道、将进水道和出水道连通的涡旋腔、连通涡旋腔的进气道，出水道设置有将气泡切碎的递进射孔式粉碎细化结构，涡旋腔的轴线与进水道的轴线偏置设置，涡旋腔设置有连通进水道的进水口，进水口设置于进水道轴线背向涡旋腔轴线一侧。
优选的，第一本体设置有用于形成涡旋腔的第一侧壁和第一底壁，第一侧壁设置连通涡旋腔的进水孔。
进一步的，第一本体设置有盖合涡旋腔的束流件，束流件设置将涡旋腔和出水道连通的出水孔，出水孔的横截面积沿水流方向减少。
进一步的，束流件的外轮廓与出水道匹配设置。
进一步的，束流件与第一侧壁一体制造。
进一步的，进水孔的朝向沿涡旋腔的切向设置。
进一步的，进水孔的数量有两个。
进一步的，进气道包括沿涡旋腔轴线方向设置的第一气道、沿涡旋腔径向方向设置的第二气道，第一气道与第二气道连通，第一气道连通外界，第二气道连通涡旋腔。
优选的，涡旋腔为若干个，进水口的数量与涡旋腔的数量对应设置。
优选的，出水道设置有将气泡切碎的射孔粉碎细化结构。
有益效果是：与现有技术相比，本发明的一种微气泡获得装置通过使涡旋腔的轴线与进水道的轴线偏置设置，使进水口设置于进水道轴线背向涡旋腔轴线一侧，使得连通涡旋腔的进水口由狭窄的环状变成月牙状或柱状，从而避免水流从狭窄缝隙中通过，因而可以增加水流的径向尺寸，减少水流阻力，方便水流流入涡旋腔内，这就使得微气泡获得装置的直径不增加，甚至可以减少，因此，微气泡获得装置可以小型化，方便的连接在水管上或设置在水管内部，具有良好的通用性。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图做简单说明。
显然，所描述的附图只是本发明的一部分实施例，而不是全部实施例，本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他设计方案和附图。
图1为本发明的一种微气泡获得装置的剖切示意图；
图2为图1微气泡获得装置的涡旋腔的横截面剖切示意图；
图3为图1微气泡获得装置的另一实施例的结构示意图；
图4为图1微气泡获得装置的分解示意图；
图5为图1微气泡获得装置中递进射孔式粉碎细化结构的示意图。
技术特征标记：1-第一本体、2-进水道、3-涡旋腔、4-初级粉碎细化件、5-次级粉碎细化件、6-微孔道、7-前置空间、8-缓冲空间、9-末级粉碎细化件、10-过渡空间、11-进气道、12-进水口、12a-进水孔、12b-副进气孔、13-出水孔、14-束流件、3a-第一底壁、3b-第一侧壁、41-第一环、51-定位边。
具体实施方式
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。
显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其它实施例，均属于本发明的保护范围。
另外，文中所提到的所有连接关系，并非单指构件直接相接，而是指可根据具体实施情况，通过添加或减少连接辅件，来组成更优的连接结构。本发明中的各个技术特征，在不互相矛盾冲突的前提下可以交互组合。
如图1、图4一种微气泡获得装置，包括第一本体1，第一本体1设置进水道2、出水道、将进水道2和出水道连通的涡旋腔3、连通涡旋腔3的进气道11，出水道设置有产生微气泡的结构。图1中中心线分别为进水道2轴线和涡旋腔3轴线。
进气道11可以连接压缩机和气泵等，进而，使用外部动力将空气压入涡旋腔3。当然，进气道11也可以利用水流动产生的负压将空气吸入。
对于涡旋腔3，第一本体1设置有用于形成涡旋腔3的第一侧壁3b和第一底壁3a，第一侧壁3b设置连通涡旋腔3的进水孔12a，进水孔12a的朝向偏离涡旋腔3的中心，以使得水流经进水孔12a后产生涡旋流动。
进水道2通常设置在第一底壁3a上，进气道11包括沿涡旋腔3轴线方向设置的第一气道、沿垂直于涡旋腔3轴线方向设置的第二气道，第一气道与第二气道连通，第一气道连通外界，第二气道连通涡旋腔3，方便制造，而且，不影响微气泡获得装置的安装使用。
对于第一本体1，第一本体1在靠近进水道2的一端可以安装有或一体成型的制造有连接头，使得微气泡获得装置可以固定在水龙头上。
当然，第一本体1也可以安装在水管内，第一本体1与水管通过密封圈密封，使得水流进进水道2，然后经由涡旋腔3和出水道流出。这时候，进水道2可以是水管靠近第一本体1的水道部分，第一本体1上可以省略进水道2。
常规的，涡旋腔3的轴线与进水道2的轴线是重合的，后续简称为正置的涡旋腔3或正置的涡旋结构，这就导致微气泡获得装置具有了的狭窄的环状进水口12，阻碍水的流动，导致吸气困难，而加大环状进水口12的尺寸还使得微气泡获得装置的直径增大，难以适用于常规的水管规格。
当然，这里有关正置和偏置的涡旋结构的有益效果和缺点的论述，并不影响正置或偏置的涡旋结构与后下文的递进射孔式粉碎细化结构的结合，也就是说，正置或偏置的涡旋结构是均能够与下文的递进射孔式粉碎细化结构组合形成微气泡获得装置。
为解决正置的涡旋腔3所带来的问题，如图1、图2所示，可以使涡旋腔3的轴线与进水道2的轴线偏置设置，涡旋腔3设置有连通进水道2的进水口12，进水口12设置于进水道2轴线背向涡旋腔3轴线一侧，也即，采用偏置涡旋结构。
本实施例的微气泡获得装置通过使涡旋腔3的轴线与进水道2的轴线偏置设置，使进水口12设置于进水道2轴线背向涡旋腔3轴线一侧，使得连通涡旋腔3的进水口12由狭窄的环状变成月牙状或柱状，从而避免水流从狭窄缝隙中通过，因而可以增加水流的径向尺寸，减少水流阻力，方便水流流入涡旋腔3内，这就使得微气泡获得装置的直径不增加，甚至可以减少，因此，微气泡获得装置可以小型化，方便的连接在水管上或设置在水管内部，具有良好的通用性。
为进一步的说明本实施例所产生的良好有益效果，现进行详细的论述。
目前家庭用水的管路主流管径主要有外径28mm和外径22mm两种型号，以外径28mm的管路为例，如果气泡发生装置要做成内置式的话，那么它的外径就被要求不能超过24.5mm。这就是说，进水口12只能设置在一个宽度不超过2.5mm的环形区域内，这就使得进水口12的面积较小，或者，与常规的圆孔状的进水口12相比，进水口12的外轮廓长度增加，对水流流动产生阻碍，因此，导致背压剧增而影响到涡旋的吸气效果，甚至还会造成管路流量大幅下降。
因而，现有的正置式涡旋腔3结构很难内置进28mm管径的管路之内。
与现有设计产生鲜明对比的是，本发明采用偏置的涡旋腔3。由于涡旋腔3偏置，涡旋腔3的轴线与进水道2轴线偏置了一个距离，这个距离让进水口12可以布置在一个月牙状的区域内，获得3mm至4mm的半径差，进水口12可以由狭窄的长条形向椭圆形或圆形靠近，缩小进水口12的外轮廓长度，方便水流通过进水口12，而不需要增加第一本体1的外直径，换句话来说，偏置的涡旋腔3可以使得微气泡获得装置的体积和占用空间变小，便于内置在家用水管内。
如图3所示，作为图1微气泡获得装置的替代方案，可以使涡旋腔3为若干个，进水口12的数量与涡旋腔3的数量对应设置。也即，通过将大涡旋腔3变更成多个小涡旋腔3，进而，形成多个圆孔状的进水口12，同样可以改变进水口12狭窄的情况。
作为微气泡获得装置的进一步拓展，第一本体1设置有盖合涡旋腔3的束流件14，束流件14设置将涡旋腔3和出水道连通的出水孔13，出水孔13的横截面积沿水流方向减少，使得可以使空气与水充分混合产生气泡。另外，出水孔13的横截面积变化还可以对水流产生加速作用，压缩气泡和促进气泡破碎。
为简化制造，可以使束流件14的外轮廓与出水道匹配设置，也即束流件14是单独制造的，不增加涡流腔的制造难度。
当然，也可以使束流件14与第一侧壁3b一体制造，但制造上需要进行改进，第一底壁3a与第一侧壁3b需要分体制造。
为顺利的使水产生涡旋流动，可以使进水孔12a的朝向沿涡旋腔3的切向设置。
为避免进水孔12a的孔径受限进而导致水流流量减少，可以使进水孔12a的数量有两个，也即设置了副进水孔12b，使得进水孔12a的总面积不减少或增大。
为解决现有技术中过滤网易堵塞以及锥形网产生的微气泡级别不够的问题，如图1、图4、图5所示，微气泡获得装置还采用了一种递进射孔式粉碎细化结构，当然，递进射孔式粉碎细化结构不仅适用于正置涡旋结构的微气泡获得装置，也可以适用于偏置涡旋结构的微气泡获得装置。
具体的，递进射孔式粉碎细化结构包括薄壁状的初级粉碎细化件4和次级粉碎细化件5，初级粉碎细化件4和次级粉碎细化件5均设置有若干用于将流体内气泡粉碎细化的微孔道6，其特征在于，初级粉碎细化件4和次级粉碎细化件5配合形成缓冲空间8，初级粉碎细化件4和次级粉碎细化件5的微孔道6至少四分之一沿流体流动方向重叠或重合设置，依据上文微气泡获得装置，流体流动方向是流体所在通道的轴线方向。
本实施例的一种递进射孔式粉碎细化结构通过设置薄壁的初级粉碎细化件4，代替高目数的过滤网，一方面减少了孔的数量，可以使颗粒可以沉积，延缓堵塞，从而使得微气泡获得装置的免维护时间得以延长；另一方面，在微孔道6的节流和束流作用下，水流经过微孔道6后呈喷射状的紊流，存在碰撞、扰动和震荡激励，可以将粗大的气泡被击碎，从而获得较细小的气泡，再通过设置次级粉碎细化件5，进一步的将气泡细化呈微纳米级别，满足需求。此外，还通过在初级粉碎细化件4和次级粉碎细化件5之间形成缓冲空间8，使得气泡在经过初级粉碎细化件4后可以重复的碰撞、扰动和振动；另外，还通过使初级粉碎细化件4和次级粉碎细化件5的微孔道6至少四分之一沿流体流动方向重叠或重合设置，使得气泡能够较为顺利的经由初级粉碎细化件4的微孔道6流向次级粉碎细化件5的微孔道6，从而减少水流的流动阻力，避免递进射孔式粉碎细化结构处产生较大的背压阻力，不影响微气泡获得装置的进气量。
具体的，递进射孔式粉碎细化结构采用设置初级粉碎细化件4和次级粉碎细化件5的方式，利用开设的微孔道6作为流体工质的出流通道，并以此构成具有两级递进射孔特点的粉碎细化结构。
其中，初级粉碎细化件4上的微孔道6为第一级射孔、次级粉碎细化件5微孔道6所构成的第二级射孔，当混杂有气泡的流体工质经由该第一级射孔时，由于微孔道6的节流效应和束流作用而使得其流动具有喷射流的特点，此时流体的流速加快并具备紊流流动的特征。
在紊流流动的碰撞、扰动和震荡的激励下，粗大的气泡被击碎，从而获得较细小的气泡水，然后，较细小的气泡被第二级射孔进一步粉碎细化，并最终成为微气泡。
当然，为了使微气泡获得装置适用于安装在水龙头末端的情况，还可以设置有末级粉碎细化件9，除了可以进一步细化气泡，还可以是水稳定流出，不影响出水效果。
为了提高微孔道6破碎气泡的能力，可以使微孔道6直径或/和它们的等效直径为0.2mm至0.8mm，否则产生的气泡过大或者造成水流量不足。等效直径可以通过S=πd2/4进行计算，S为微孔道6的横截面积，也就是说，微孔道6可以采用非圆结构，如三角形、椭圆形、多边形和其它各种异形。
为了增强初级粉碎细化件4的强度，同时，使水流能够沿初级粉碎细化件4的表面流动，进而，使气泡被微孔道6以切割的方式粉碎，可以使初级粉碎细化件4呈锥形设置，锥形的尖部朝背向次级粉碎细化件5的方向设置。
为了能够形成缓冲空间8同时不增加零件数量和增加微气泡获得装置的长度，可以使次级粉碎细化件5呈锥状设置，锥形的尖部朝背向初级粉碎细化件4的方向设置。
为了使得水流能够平行的沿初级粉碎细化件4或次级粉碎细化件5的表面流动，可以初级粉碎细化件4或次级粉碎细化件5呈棱锥形设置。同时，初级粉碎细化件4或次级粉碎细化件5呈棱锥形设置，还便于两者的微孔道6重合或重叠。
为了确保初级粉碎细化件4和次级粉碎细化件5上微孔道6的相对位置满足需要，可以使初级粉碎细化件4的外边缘形成容置初级粉碎细化件4的第一环41。
为避免次级粉碎细化件5在第一环41内偏转，也即，为了次级粉碎细化件5能够准确的安装在第一环41内，可以使次级粉碎细化件5的外边缘设置有定位边51。
对于末级粉碎细化件9，末级粉碎细化件9和次级粉碎细化件5之间形成过渡空间10，以使水流稳定。
为进一步降低成本和减少零部件数量，初级粉碎细化件4与末级粉碎细化件9连接并夹紧固定所述次级粉碎细化件5。
以上实施例不局限于该实施例自身的技术方案，实施例之间可以相互结合成新的实施例。以上实施例仅用以说明本发明的技术方案而并非对其进行限制，凡未脱离本发明精神和范围的任何修改或者等同替换，其均应涵盖在本发明技术方案的范围内。

Claims (9)

  1. 一种微气泡获得装置，包括第一本体（1），第一本体（1）设置进水道（2）、出水道、将进水道（2）和出水道连通的涡旋腔（3）、连通涡旋腔（3）的进气道（11），出水道设置有将气泡切碎的递进射孔式粉碎细化结构，其特征在于，涡旋腔（3）的轴线与进水道（2）的轴线偏置设置，涡旋腔（3）设置有连通进水道（2）的进水口（12），进水口（12）设置于进水道（2）轴线背向涡旋腔（3）轴线一侧。
  2. 根据权利要求1所述的一种微气泡获得装置，其特征在于，所述第一本体（1）设置有用于形成涡旋腔（3）的第一侧壁（3b）和第一底壁（3a），第一侧壁（3b）设置连通涡旋腔（3）的进水孔（12a）。
  3. 根据权利要求2所述的一种微气泡获得装置，其特征在于，所述第一本体（1）设置有盖合涡旋腔（3）的束流件（14），束流件（14）设置将涡旋腔（3）和出水道连通的出水孔（13），出水孔（13）的横截面积沿水流方向减少。
  4. 根据权利要求3所述的一种微气泡获得装置，其特征在于，所述束流件（14）的外轮廓与出水道匹配设置。
  5. 根据权利要求3所述的一种微气泡获得装置，其特征在于，所述束流件（14）与第一侧壁（3b）一体制造。
  6. 根据权利要求2所述的一种微气泡获得装置，其特征在于，所述进水孔（12a）的朝向沿涡旋腔（3）的切向设置。
  7. 根据权利要求2所述的一种微气泡获得装置，其特征在于，所述进水孔（12a）的数量有两个。
  8. 根据权利要求1至7任一所述的一种微气泡获得装置，其特征在于，所述进气道（11）包括沿涡旋腔（3）轴线方向设置的第一气道、沿涡旋腔（3）径向方向设置的第二气道，第一气道与第二气道连通，第一气道连通外界，第二气道连通涡旋腔（3）。
  9. 根据权利要求1至7任一所述的一种微气泡获得装置，其特征在于，所述涡旋腔（3）为若干个，进水口（12）的数量与涡旋腔（3）的数量对应设置。
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