WO2019037470A1 - 微气泡产生器 - Google Patents

微气泡产生器 Download PDF

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Publication number
WO2019037470A1
WO2019037470A1 PCT/CN2018/085975 CN2018085975W WO2019037470A1 WO 2019037470 A1 WO2019037470 A1 WO 2019037470A1 CN 2018085975 W CN2018085975 W CN 2018085975W WO 2019037470 A1 WO2019037470 A1 WO 2019037470A1
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Prior art keywords
gas
liquid mixing
vortex
microbubble generator
mixing tube
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PCT/CN2018/085975
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English (en)
French (fr)
Inventor
田松
蔡木华
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上海久田汽车零部件制造有限公司
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Publication of WO2019037470A1 publication Critical patent/WO2019037470A1/zh

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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
    • 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
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • the present invention relates to a microbubble generating device, and more particularly to a microbubble generator that uses a vortex to mix a gas and a liquid to produce microbubbles.
  • microbubbles With the gradual development of society, people's quality of life is constantly improving, and more and more attention is paid to health issues. Because the diameter of microbubbles is very small, it has good effects on vegetable washing, healthy bathing, wastewater treatment, sterilization, etc. It is widely used in aquaculture, agriculture, forestry, medical industry, etc. Simple, easy to use microbubble generator.
  • the technical problem to be solved by the invention is to provide a microbubble generator with simple structure and convenient use, which has good effects on vegetable washing, healthy bathing, wastewater treatment and sterilization, and can be widely applied to aquaculture, agriculture, and the like. Forestry, medical industry, etc.
  • a microbubble generator comprising:
  • An inlet pipe having a water inlet and a first water outlet, and one end of the first water outlet is a connection end;
  • the vortex column is installed in a vortex case, and the vortex column case is provided with a second water outlet;
  • gas-liquid mixing tube having a head portion and a tail portion, the head portion being an accommodating chamber, the volute shell being installed in the accommodating chamber; the gas-liquid mixing tube further having a flow portion and an acceleration portion, the air flow portion is close to the head portion, and the air flow portion is provided with an air inlet, the acceleration portion is adjacent to the air flow portion, and the acceleration portion and the scroll case
  • the second outlet is electrically connected;
  • An outer casing wherein the two ends of the outer casing are respectively a first end and a second end, wherein the first end and the second end are both open, and a hole net is installed in the outer casing at a position close to the second end thereof.
  • a gas-liquid mixing tube is also installed in the outer casing, and a tail portion of the gas-liquid mixing pipe is in close contact with and pushed against the hole net;
  • a connecting end of the water inlet pipe is connected to the first end of the outer casing, and The connecting end of the water pipe is in close contact with and pushes against the head of the scroll and the head of the gas-liquid mixing pipe; an air inlet hole is disposed on the outer casing corresponding to the position of the air inlet of the gas-liquid mixing pipe.
  • the microbubble generator of the present invention is improved in that an inner wall of the gas-liquid mixing tube corresponding to the position of the air inlet protrudes toward the accommodating cavity, and a convex portion is formed.
  • the outlet prevents the water from flowing too far and directly flows out from the air inlet, causing the water to flow back.
  • a further improvement of the microbubble generator of the present invention is that the outer circumference of the vortex column is provided with a scroll blade, and the connecting end of the inlet pipe abuts and pushes against the scroll blade of the vortex column, thereby fastening the vortex column Installed in the scroll case.
  • a further improvement of the microbubble generator of the present invention is that the end face of the first end of the outer casing and the end face of the inlet end of the inlet pipe are connected by ultrasonic heat fusion.
  • a further improvement of the microbubble generator of the present invention is that the pore network is provided with a plurality of pores penetrating through the pore network, and the bubbles in the water flow are further broken up through the pores of the pore network to rapidly split into microbubbles.
  • a further improvement of the microbubble generator of the present invention is that the inner diameter of the gas-liquid mixing tube at the accelerating portion is continuously increased in the direction toward the tail.
  • a further improvement of the microbubble generator of the present invention is that a flow portion of the gas-liquid mixing tube is between the tail portion and the accelerating portion, and an inner diameter of a tail portion of the gas-liquid mixing tube is larger than a circulation portion of the gas-liquid mixing tube Inner diameter.
  • a further improvement of the microbubble generator of the present invention is that one end of the vortex toward the airflow portion is a tapered end.
  • a further improvement of the microbubble generator of the present invention is that the end face of the scroll casing toward the airflow portion is a tapered surface, and the water outlet is disposed on the tapered surface.
  • a further improvement of the microbubble generator of the present invention is that the inner side of the opening of the second end of the outer casing is provided with a ring inner flange which abuts against the inner flange of the second end.
  • the microbubble generator of the present invention through the arrangement of the vortex column and the vortex shell, causes the water to flow through the vortex column to enter the gas-liquid mixing tube to mix with the air, generate bubbles, and then break up through the hole network to form microbubbles.
  • the present invention provides a protruding portion on the inner wall of the gas-liquid mixing pipe corresponding to the position of the air inlet, which hinders the water flow, thereby avoiding direct flow from the water when the water flow is too large. The mouth is pulled out.
  • Figure 1 is a cross-sectional view of the microbubble generator of the present invention
  • Figure 2 is a structural exploded view of the microbubble generator of the present invention
  • Figure 3 is a top plan view of a vortex column in the microbubble generator of the present invention.
  • the microbubble generator of the present invention comprises an inlet pipe 10, a vortex column 20, a volute casing 30, a gas-liquid mixing pipe 40, a casing 50 and a mesh 60, wherein the vortex 20 and the vortex
  • the cylindrical shell 30, the gas-liquid mixing tube 40 and the cell net 60 are all installed in the outer casing 50, and the inlet pipe 10 is connected with the outer casing 50, thereby further forming the vortex column 20, the volute casing 30, and the gas-liquid mixing pipe. 40 and a mesh 60 are securely mounted in the outer casing 50.
  • the two ends of the inlet pipe 10 are respectively a water inlet 11 and a first water outlet 12, wherein the water inlet 11 is connected to a water supply device such as a water pump and a water supply pipe, the first One end of the nozzle 12 is a connection end 13 through which the inlet pipe 10 is connected to the outer casing 50.
  • the vortex column 20 is disposed in the volute casing 30, and the outer periphery of the vortex column 20 is provided with a scroll blade 21, and the vortex column shell 30 is provided with a first
  • the vortex flows out from the second water outlet 31 by the action of the vortex blades 21, thereby accelerating the water flow.
  • the gas-liquid mixing tube 40 has a head portion 41 and a tail portion 42.
  • the head portion 41 is an accommodating chamber 410.
  • the volute housing 30 is mounted in the accommodating chamber 410.
  • the gas-liquid mixing tube 40 further has an air flow portion 43 and an acceleration portion 45.
  • the air flow portion 43 is adjacent to the head portion 41 and connected to the accommodating cavity 410, and the airflow portion 43 is provided with a wall.
  • the acceleration portion 45 is adjacent to the air flow portion 43 , and the acceleration portion 45 is electrically connected to the air inlet 430 and the second water outlet 31 .
  • the two ends of the outer casing 50 are respectively a first end 51 and a second end 52.
  • the first end 51 and the second end 52 are both open and disposed inside the opening of the second end 52.
  • There is a ring inner flange 502 the inner portion of the outer casing 50 is mounted with the hole net 60 at a position close to the inner end flange 502 of the second end 52, and the volute case 30 is assembled in the accommodating cavity 410 thereof.
  • the gas-liquid mixing tube 40 in which the vortex column 20 is mounted in the scroll housing 30 is inserted into the outer casing 50 through the first end 51 of the outer casing 50, and the tail portion 42 of the gas-liquid mixing tube 40 is closely attached and pushed against The mesh 60 secures the mesh 60 in the outer casing 50.
  • the connecting end 13 of the inlet pipe 10 is connected to the first end 51 of the outer casing 50, and the connecting end 13 of the inlet pipe 10 abuts and pushes against the scroll blade 21 and the scroll casing 30.
  • the end portion and the head portion 41 of the gas-liquid mixing tube 40 so that the gas-liquid mixing tube 40 is tightly mounted in the outer casing 50, and the scroll casing 30 is fastened and mounted in the accommodating chamber 410 of the gas-liquid mixing tube 40.
  • the vortex 20 is fastened and installed in the volute casing 30 to avoid loosening, detachment, etc., and affect the use of the microbubble generator.
  • An air inlet 53 is defined in the outer casing 50 corresponding to the air inlet 430 of the gas-liquid mixing tube 40. The air enters the outer casing 50 through the air inlet 53 and enters the gas and liquid via the air inlet 430. The inside of the mixing tube 40.
  • the end surface of the first end 51 of the outer casing 50 and the end surface of the connecting end 13 of the water inlet pipe 10 are connected by ultrasonic heat fusion.
  • the portion 431 allows the air entering through the intake hole 53 and the intake port 430 to enter the gas-liquid mixing tube 40 via a meandering meandering passage, and mixes with the water flowing into the gas-liquid mixing tube 40 via the second water outlet 41, thereby The passage from the air inlet 430 to the water flow is prevented from being a smooth passage.
  • the protruding portion 431 is disposed at the inner wall corresponding to the position of the air inlet 430.
  • the protruding portion 431 can block the water flow, reduce the flow velocity of the water flow, and avoid the occurrence of backlash. phenomenon.
  • one end of the vortex 20 toward the airflow portion 43 is a tapered end 22, and correspondingly, the end surface of the scroll casing 30 facing the airflow portion 43 is a tapered surface 32.
  • the second water outlet 31 is located at the tip end position of the tapered surface 32.
  • a section between the tail portion 42 and the accelerating portion 45 is a circulation portion 44 of the gas-liquid mixing tube 40, and an inner diameter of the tail portion 42 of the gas-liquid mixing tube 40 is larger than the gas-liquid mixture.
  • the inner diameter of the flow portion 44 of the tube 40 ensures the discharge amount of the microbubbles discharged from the mesh 60.
  • the inner diameter of the gas-liquid mixing tube 40 at the accelerating portion 45 is continuously increased in the direction toward the tail portion 42, that is, the inner diameter of the gas-liquid mixing tube 40 at the flow portion 43 to the flow portion 44 is continuously increased, and
  • the upper vortex 20 has a tapered end 22, whereby the inner diameter at the position of the airflow portion 43 is the smallest, so that when the water flows out from the second water outlet 31 of the tapered surface 32 into the accelerating portion 45, it is formed according to the Bernoulli effect.
  • the pressure difference produces a high-speed eddy current, and the high-speed rotating water stream rapidly cuts the air to generate bubbles.
  • the hole net 60 is provided with a plurality of fine holes 61 extending through the mesh 60. When the water flowing into the tail portion 42 passes through the mesh 60, the air bubbles in the water flow are further broken by the fine holes 61 of the mesh 60. , rapid cutting split into microbubbles.
  • the microbubble generator of the present invention when in use, connects the water inlet 11 of the inlet pipe 10 with a water supply pipe or a water pump that supplies a water source, and the water enters the inlet pipe 10 through the water inlet 11 and then enters
  • the first water outlet 12 of the water pipe 10 flows out and enters the volute casing 30.
  • the water in the volute casing 30 vortexes and the second from the volute casing 30
  • the water outlet 31 flows out into the airflow portion 43 of the gas-liquid mixing pipe 40.
  • the air in the gas-liquid mixing pipe 40 is discharged due to the high-speed rotation of the water, so that a negative pressure occurs in the gas-liquid mixing pipe 40, and the intake port 53 and the intake port 430 are electrically connected to the gas-liquid mixing pipe 40, and further
  • the negative pressure guide air sequentially enters the airflow portion 43 of the gas-liquid mixing pipe 40 through the intake hole 53 and the intake port 430, mixes with the water, and simultaneously flows into the acceleration portion 45, and the water flows through the second water outlet 31 into the acceleration portion.
  • the mold of the vortex column is complicated to manufacture. Therefore, in the present invention, a vortex case is disposed, and the vortex column is placed in the vortex case and then placed. The vortex shell with the vortex is installed in the accommodating cavity of the gas-liquid mixing tube to improve the production efficiency.
  • the microbubble generator of the invention causes water to generate a high-speed rotating vortex through the vortex column, and continues to accelerate when passing through the gas-liquid mixing tube, rapidly cutting the air to generate bubbles, and finally further breaking and cutting through the hole network to form microbubbles,
  • the structure is simple and easy to use.
  • a protruding portion is disposed on the inner wall of the gas-liquid mixing pipe to block the water flow and prevent the water flow from flowing out through the air inlet and the air inlet.

Abstract

一种微气泡产生器，包括进水管（10），进水管（10）具有一进水口（11）和一第一出水口（12），且第一出水口（12）所在的一端为连接端（13）；涡柱（20）装设在一涡柱壳（30）中，涡柱壳（30）上设有第二出水口（31）；气液混合管（40）具有一头部（41）和一尾部（42），头部（41）为一供涡柱壳（30）安装的容置腔（410）；气液混合管（40）还具有一气流部（43）和一加速部（45），气流部（43）靠近头部（41），且气流部（43）上设有一进气口（430），加速部（45）邻接气流部（43），并与第二出水口（31）导通连接；外壳（50）的两端分别为第一端（51）和第二端（52），外壳（50）内紧贴其第二端（52）的位置处安装有一孔网（60），紧贴孔网（60）处安装有气液混合管（40）；进水管（10）的连接端（13）与外壳（50）的第一端（51）紧固连接；外壳（50）上设有一与进气口（430）相对应的进气孔（53）。

Description

微气泡产生器 技术领域
本发明涉及微气泡产生装置，尤其涉及一种采用涡流将气体和液体混合产生微气泡的微气泡产生器。
背景技术
随着社会的逐步发展，人们的生活质量不断提高，对于健康问题也越来越注重。由于微气泡的直径量级非常小，对于蔬菜清洗、健康沐浴，以至废水处理、杀菌等均具有良好的效果，广泛应用于养殖业、农业、林业、医疗业等，藉此，需要一种制作简单、使用方便的微气泡产生器。
发明内容
本发明所要解决的技术问题是提供一种结构简单、使用便捷的微气泡产生器，对于蔬菜清洗、健康沐浴，以至废水处理、杀菌等均具有良好的效果，可广泛应用于养殖业、农业、林业、医疗业等。
为实现上述技术效果，本发明公开了一种微气泡产生器，其包括：
进水管，所述进水管具有一进水口和一第一出水口，且所述第一出水口所在的一端为连接端；
涡柱，所述涡柱装设在一涡柱壳中，该涡柱壳上设有第二出水口；
气液混合管，所述气液混合管具有一头部和一尾部，所述头部为一容置腔，所述涡柱壳安装在该容置腔内；所述气液混合管还具有一气流部和一加速部，所述气流部靠近所述头部，且该气流部上设有一进气口，所述加速部邻接所述气流部，且所述加速部与所述涡柱壳的第二出水口导通连接；
外壳，所述外壳的两端分别为第一端和第二端，该第一端和第二端均为开口状，所述外壳内紧贴其第二端的位置处安装有一孔网，所述气液混合管也安装在所述外壳内，且所述气液混合管的尾部紧贴并推抵所述孔网；所述进水管的连接端与所述外壳的第一端连接，且进水管的连接端紧贴并推抵所述涡柱壳以及所述气液混合管的头部；所述外壳上与所述气液混合 管的进气口位置相应处设有一进气孔。
本发明微气泡产生器的改进在于，与所述进气口的位置相对应处的所述气液混合管的内壁朝向所述容置腔的方向凸出，并形成一凸出部，该凸出部防止水流过大直接从进气口流出，发生水流回窜现象。
本发明微气泡产生器的进一步改进在于，所述涡柱的外周设有涡旋叶片，所述进水管的连接端紧贴并推抵所述涡柱的涡旋叶片，从而使涡柱紧固安装在所述涡柱壳中。
本发明微气泡产生器的进一步改进在于，所述外壳第一端的端面与所述进水管连接端的端面通过超声波热熔连接。
本发明微气泡产生器的进一步改进在于，所述孔网上设有复数个贯穿所述孔网的细孔，水流中的气泡经由该孔网的细孔进一步打散，快速分裂成微气泡。
本发明微气泡产生器的进一步改进在于，所述加速部处的气液混合管的内径沿朝向尾部的方向不断增加。
本发明微气泡产生器的进一步改进在于，所述尾部与所述加速部之间是气液混合管的流通部，所述气液混合管的尾部的内径大于所述气液混合管的流通部的内径。
本发明微气泡产生器的进一步改进在于，所述涡柱朝向所述气流部的一端为锥形端。
本发明微气泡产生器的进一步改进在于，所述涡柱壳朝向所述气流部的端面为锥形面，所述出水口设置在所述锥形面上。
本发明微气泡产生器的进一步改进在于，所述外壳的第二端的开口内侧设有一圈内凸缘，所述孔网紧贴该第二端的内凸缘。
本发明微气泡产生器，通过涡柱和涡柱壳的设置，使水经由涡柱产生涡流进入气液混合管与空气混合，产生气泡，再经由孔网打散，形成微气泡。为防止水流过大，发生回窜现象，本发明在与进气口位置相对应的气液混合管的内壁上设置一凸出部，对水流产生阻碍作用，从而避免水流过大时直接从进气口窜出。
附图说明
图1为本发明微气泡产生器的剖视图；
图2为本发明微气泡产生器的结构爆炸图；
图3为本发明微气泡产生器中涡柱的俯视图。
具体实施方式
下面结合附图及具体实施方式对本发明作进一步详细的说明。
如图1和图2所示，本发明微气泡产生器包括进水管10、涡柱20、涡柱壳30、气液混合管40、外壳50和孔网60，其中所述涡柱20、涡柱壳30、气液混合管40以及孔网60均装设在外壳50中，且所述进水管10与所述外壳50相连接，进而使涡柱20、涡柱壳30、气液混合管40以及孔网60紧固安装在所述外壳50中。
如图2所示，所述进水管10的两端分别为进水口11和第一出水口12，其中所述进水口11与水泵和供水管等提供水源的设备相连接，所述第一出水口12所在的一端为连接端13，所述进水管10即通过该连接端13与所述外壳50连接。
如图2和图3所示，所述涡柱20装设在所述涡柱壳30中，且所述涡柱20的外周设有涡旋叶片21，所述涡柱壳30上设有第二出水口31；当进水管10中的水从第一出水口12流出并进入涡柱壳30时，通过涡旋叶片21的作用形成涡流从第二出水口31流出，起到水流加速的作用。
结合图1和图2，所述气液混合管40具有一头部41和一尾部42，所述头部41为一容置腔410，所述涡柱壳30即安装在该容置腔410内。所述气液混合管40还具有一气流部43和一加速部45，所述气流部43靠近所述头部41并连接所述容置腔410，且该气流部43管壁上设有一进气口430，空气经由进气口430进入气液混合管40中，与水流进行混合。所述加速部45邻接所述气流部43，所述加速部45与所述进气口430以及所述第二出水口31导通连接。
结合图1和图2，所述外壳50的两端分别为第一端51和第二端52，该第一端51和第二端52均为开口状，在第二端52的开口内侧设有一圈内凸缘502，所述外壳50的内部紧贴其第二端52内凸缘502的位置处安装有所述孔网60，在其容置腔410中组装有涡柱壳30且在该涡柱壳30中装设有涡柱20的所述气液混合管40经由外壳50的第一端51开口装入外壳50中，且该气液混合管40的尾部42紧贴并推抵所述孔网60，使孔网60紧固在外壳50中。所述进水管10的连接端13即与所述外壳50的第一端51连接，且该进水管10的连接端13紧贴并推抵所述涡旋叶片21、所述涡 柱壳30的端部以及所述气液混合管40的头部41，从而使气液混合管40紧固装设在外壳50中，使涡柱壳30紧固安装在气液混合管40的容置腔410中，使涡柱20紧固安装在涡柱壳30中，避免发生松动、脱出等，影响微气泡产生器的使用。所述外壳50上与所述气液混合管40的进气口430位置相应出设有一进气孔53，空气即通过该进气孔53进入外壳50中，再经由进气口430进入气液混合管40的内部。
较佳地，在本实施例中，所述外壳50的第一端51的端面与所述进水管10的连接端13的端面通过超声波热熔连接。
进一步地，如图1所示，与所述进气口430的位置相对应处的所述气液混合管40的气流部43内壁朝向所述容置腔410的方向凸出，并形成一呈漏斗状的凸出部431，所述漏斗状的凸出部431与涡柱壳30之间形成有供进气口430进入的空气进入气液混合管40气流部43中的缝隙，该凸出部431使由进气孔53、进气口430进入的空气，经由一迂回的曲折通道进入气液混合管40中与经由第二出水口41进入气液混合管40中的水流进行混合，从而防止从进气口430到与水流混合的通道为一较顺畅通道，由于采用顺畅通道会使水流较大时，该水流经由顺畅通道从进气口430以及进气孔53窜出，因此发生回窜现象，故本发明在内壁与进气口430位置相对应处设置凸出部431，在水流较大时，该凸出部431可以阻挡水流，减小此处的水流流速，避免发生回窜现象。
在本实施例中，所述涡柱20朝向所述气流部43的一端为锥形端22，与此相对应的，所述涡柱壳30朝向所述气流部43的端面为锥形面32，所述第二出水口31即位于该锥形面32的尖端位置处。
如图2所示，所述尾部42与所述加速部45之间的一段为气液混合管40的流通部44，且所述气液混合管40的尾部42的内径大于所述气液混合管40的流通部44的内径，保证从孔网60排出的微气泡的排出量。所述加速部45处的所述气液混合管40的内径沿朝向尾部42的方向不断增加，即气流部43处至流通部44处的这段气液混合管40的内径不断增加，再加上涡柱20具有一锥形端22，由此，气流部43位置处的内径最小，故水流从锥形面32的第二出水口31流出进入加速部45时，根据伯努利效应，形成压差，产生高速涡流，高速旋转的水流快速切割空气从而产生气泡。所述孔网60上设有复数个贯穿所述孔网60的细孔61，流入尾部42的水流在通过孔网60时，该水流中的气泡被该孔网60的细孔61进一步打散，快速 切割分裂成微气泡。
结合图1至图3，本发明微气泡产生器在使用时，将进水管10的进水口11与提供水源的供水管或水泵接通，水经进水口11进入进水管10中，再由进水管10的第一出水口12流出，并进入涡柱壳30中，在涡柱20的涡旋叶片21的作用下，涡柱壳30中的水发生涡流，并从涡柱壳30的第二出水口31中流出进入气液混合管40的气流部43中。此时，由于水高速旋转，将气液混合管40中的空气排出，使气液混合管40中出现负压，由于进气孔53和进气口430与气液混合管40导通，进而负压引导空气依次通过进气孔53和进气口430进入气液混合管40的气流部43中，与水发生混合，并同时流入加速部45中，水流经第二出水口31进入加速部45时，由于涡柱壳30的锥形面32、以及加速部45朝向尾部42方向逐渐增加的内径，发生伯努利效应，形成压差，在气流部43内径最小位置处产生高转速水流，对空气快速切割产生气泡。带有气泡的水流经由流通部44进入尾部42中，尾部42中的水通过孔网60流出，此时孔网60上的细孔61进一步切割水中的气泡，由此产生微气泡。
由于直接将涡柱安装在气液混合管的容置腔中时，该涡柱的模具制作繁杂，故在本发明中设置一涡柱壳，使涡柱放置在涡柱壳中，再将放置有涡柱的涡柱壳安装在气液混合管的容置腔中，提高制作效率。
本发明微气泡产生器，使水经由涡柱产生高速旋转的涡流，并在通过气液混合管时继续加速，对空气进行快速切割产生气泡，最后经由孔网进一步打散切割形成微气泡，其结构简单，使用方便。且为防止水流过大发生回窜，还在气液混合管的内壁上设置一凸出部，对水流产生阻碍，避免水流经由进气口和进气孔窜出。
以上结合附图及实施例对本发明进行了详细说明，本领域中普通技术人员可根据上述说明对本发明做出种种变化例。因而，实施例中的某些细节不应构成对本发明的限定，本发明将以所附权利要求书界定的范围作为本发明的保护范围。

Claims (10)

  1. 一种微气泡产生器，其特征在于，包括：
    进水管，所述进水管具有一进水口和一第一出水口，且所述第一出水口所在的一端为连接端；
    涡柱，所述涡柱装设在一涡柱壳中，该涡柱壳上设有第二出水口；
    气液混合管，所述气液混合管具有一头部和一尾部，所述头部为一容置腔，所述涡柱壳安装在该容置腔内；所述气液混合管还具有一气流部和一加速部，所述气流部靠近所述头部，且该气流部上设有一进气口，所述加速部邻接所述气流部，且所述加速部与所述涡柱壳的第二出水口导通连接；
    外壳，所述外壳的两端分别为第一端和第二端，该第一端和第二端均为开口状，所述外壳内紧贴其第二端的位置处安装有一孔网，所述气液混合管也安装在所述外壳内，且所述气液混合管的尾部紧贴并推抵所述孔网；所述进水管的连接端与所述外壳的第一端连接，且进水管的连接端紧贴并推抵所述涡柱壳以及所述气液混合管的头部；所述外壳上与所述气液混合管的进气口位置相应处设有一进气孔。
  2. 根据权利要求1所述的微气泡产生器，其特征在于：与所述进气口的位置相对应处的所述气液混合管的内壁朝向所述容置腔的方向凸出，并形成一凸出部。
  3. 根据权利要求1所述的微气泡产生器，其特征在于：所述涡柱的外周设有涡旋叶片，所述进水管的连接端紧贴并推抵所述涡柱的涡旋叶片。
  4. 根据权利要求1所述的微气泡产生器，其特征在于：所述外壳第一端的端面与所述进水管连接端的端面通过超声波热熔连接。
  5. 根据权利要求1所述的微气泡产生器，其特征在于：所述孔网上设有复数个贯穿所述孔网的细孔。
  6. 根据权利要求1所述的微气泡产生器，其特征在于：所述加速部处的气液混合管的内径沿朝向尾部的方向不断增加。
  7. 根据权利要求1所述的微气泡产生器，其特征在于：所述尾部与所述加速部之间是气液混合管的流通部，所述气液混合管的尾部的内径大于所述气液混合管的流通部的内径。
  8. 根据权利要求1所述的微气泡产生器，其特征在于：所述涡柱朝向 所述气流部的一端为锥形端。
  9. 根据权利要求8所述的微气泡产生器，其特征在于：所述涡柱壳朝向所述气流部的端面为锥形面，所述出水口设置在所述锥形面上。
  10. 根据权利要求1所述的微气泡产生器，其特征在于：所述外壳的第二端的开口内侧设有一圈内凸缘，所述孔网紧贴该第二端的内凸缘。
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