WO2016013801A2 - Buse de microbulles - Google Patents

Buse de microbulles Download PDF

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Publication number
WO2016013801A2
WO2016013801A2 PCT/KR2015/007361 KR2015007361W WO2016013801A2 WO 2016013801 A2 WO2016013801 A2 WO 2016013801A2 KR 2015007361 W KR2015007361 W KR 2015007361W WO 2016013801 A2 WO2016013801 A2 WO 2016013801A2
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
inlet
outlet
flow path
nozzle
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2015/007361
Other languages
English (en)
Korean (ko)
Other versions
WO2016013801A3 (fr
Inventor
김양배
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DISPLAY TECHNOLOGY Co Ltd
Original Assignee
DISPLAY TECHNOLOGY Co Ltd
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 DISPLAY TECHNOLOGY Co Ltd filed Critical DISPLAY TECHNOLOGY Co Ltd
Priority to CN201580039456.1A priority Critical patent/CN106660842B/zh
Publication of WO2016013801A2 publication Critical patent/WO2016013801A2/fr
Publication of WO2016013801A3 publication Critical patent/WO2016013801A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • 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 nozzle, and more particularly, to a microbubble nozzle which enables to form microbubbles smoothly without reducing the cross section of a flow path into which fluid flows, and to reduce the occurrence of water hammer. It is about.
  • bubbles In general, various methods using bubbles are used in relation to daily life and environment, but the generation of bubbles is not easy, and due to the large size of bubbles generated, the efficiency of bubbles has to be low, and in particular, purification and dissolution of water quality
  • bubbles were generated by using various fountains, waterfalls, and oxygen aeration in closed waters such as lakes, swamps, dams, etc., but only a slight effect could be expected.
  • FIG. 1 is a perspective view showing a micro bubble nozzle according to the prior art
  • Figure 2 is a cross-sectional view showing a micro bubble nozzle according to the prior art.
  • a conventional microbubble nozzle has a lower end having a plurality of first gas flow grooves 1a having front and rear openings and spirals not formed in the middle in the longitudinal direction at the lower end thereof.
  • a lower body 2 having an inner spiral 2b having a plurality of second gas flow grooves 2a which are not formed;
  • the gas inlet hole (3a) is coupled to the external gas supply device at one end to receive the gas, the lower spiral (1b) of the upper body (1) )
  • the conventional microbubble nozzle configured as described above is connected to the upper spiral line 11 of the upper body 1 to receive water and is supplied with water, which is external to the gas inlet hole 31 of the gas supply unit 3. Connect the gas supply device to receive gas.
  • water flows along the lower body, and the gas is lowered along the gas inflow path formed by the first gas flow groove 1a and the second gas flow groove 2a when the lower body 2 is fastened to the upper body. It flows into the inner side of the body 2 and is mixed with water.
  • the gas-mixed water flows along the narrow passage formed by the inner side of the lower body 2 and the outer side of the induction part 4 and passes with the flow rate increased.
  • the water passing through the front portion 4a of the induction portion having a constant thickness maintains a stable laminar flow in which a high flow rate is kept constant, but the flow rate of water passing through the lower portion 4b of the induction portion whose diameter is constantly reduced becomes slow.
  • turbulence is formed, and after passing, a cavitation phenomenon occurs due to a sudden decrease in pressure, and the gas mixed with water is released as it is decomposed into micro-sized bubbles.
  • the conventional microbubble nozzles provide fluid by rapidly reducing the flow path of the fluid even though it is possible to form a microbubble by allowing air to be mixed while the fluid introduced into the inlet moves between the narrow gaps outside the induction part 4.
  • a water hammer phenomenon occurs due to a sudden stop or start of the pump, which causes a problem such as damage to the micro bubble nozzle.
  • the conventional micro-bubble nozzle has a problem that the manufacturing cost increases because the micro-bubble can be formed only when the compressed air of a high pressure is supplied from the external gas supply device.
  • the present invention is to solve the problems of the prior art, an object of the present invention, to form a micro bubble smoothly without reducing the cross section of the flow path in which the fluid flows, and to reduce the occurrence of water hammer phenomenon It is to provide a micro bubble nozzle.
  • the micro bubble nozzle according to the present invention, the inlet is formed on one side, the outlet is formed on the other side, the fluid flow path is formed between the inlet and the outlet, the inlet and outlet Compared to the nozzle body having a reduced cross section and a space portion formed outside the flow passage, an air supply hole is formed to supply external air to the space portion, and a plurality of injection holes formed in communication with the flow passage are formed. It includes a supply, it is to form a helical fluid supply path on the inner surface of the inlet of the nozzle body.
  • the fluid collision member is installed on the inner surface of the outlet of the nozzle body.
  • the fluid collision member is made of a cone-shaped core material, and wing pieces on the outer side of the core material.
  • the wing piece is to be formed in a direction opposite to the spiral fluid supply path.
  • the fluid space portion is formed on the outside of the inlet, and the fluid supply port to form a circumferential direction of the fluid space portion.
  • the injection hole is to penetrate helically in the circumferential direction.
  • the microbubble nozzle according to the present invention, the inlet is formed on one side, the outlet is formed on the other side, the fluid flow path is formed between the inlet and the outlet, the nozzle body is reduced in cross-section compared to the inlet and outlet And an air supply unit forming a space portion outside the flow path, wherein an air supply hole is formed to supply external air to the space portion, and a plurality of injection holes formed in communication with the flow path are formed.
  • the fluid collision member is installed on the inner surface of the outlet of the main body.
  • the fluid collision member is made of a cone-shaped core material, and wing pieces on the outer side of the core material.
  • the blade piece is to be formed in a direction opposite to the spiral fluid supply path.
  • the fluid space portion is formed on the outside of the inlet, and the fluid supply port to form a circumferential direction of the fluid space portion.
  • the injection hole is to penetrate helically in the circumferential direction.
  • the microbubble nozzle according to the present invention, the inlet is formed on one side, the outlet is formed on the other side, the fluid flow path is formed between the inlet and the outlet, the nozzle body is reduced in cross-section compared to the inlet and outlet And an air supply unit which forms a space portion outside the flow path, an air supply hole is formed to supply external air to the space portion, and a plurality of injection holes formed in communication with the flow path are formed.
  • the fluid space portion is formed on the outside of the fluid space to form a fluid supply port in the circumferential direction.
  • the fluid collision member is installed on the inner surface of the outlet of the nozzle body, the fluid collision member is made of a cone-shaped core material and the wing piece on the outer side of the core material.
  • the blade piece is to be formed in a direction opposite to the spiral fluid supply path.
  • the injection hole is to penetrate helically in the circumferential direction.
  • the microbubble nozzle according to the present invention forms a spiral fluid supply path at an inlet of a nozzle body having a flow path having a reduced cross section compared to an inlet and an outlet, thereby allowing fluid to be introduced. Even if the cross section of the flow path is not abruptly reduced, the microbubbles can be smoothly formed and the occurrence of water hammer can be reduced.
  • the microbubble nozzle according to the present invention allows the fluid collision member to be installed at the outlet of the nozzle body having the flow path with a reduced cross section compared to the inlet and the outlet, so that the cross section of the flow path through which the fluid is introduced is not abruptly reduced.
  • the microbubble can be smoothly formed and the occurrence of water hammer can be reduced.
  • Micro-bubble nozzle by forming a fluid space portion on the outside of the inlet of the nozzle body having a flow path with a reduced cross-section compared to the inlet and outlet, and to form a fluid supply port in the circumferential direction of the fluid space, Even if the cross section of the flow path into which the fluid flows is not reduced sharply, it is possible to smoothly form micro bubbles and to reduce occurrence of water hammer.
  • microbubble according to the present invention allows the external air to flow into the flow path of which the cross section is reduced compared to the inlet and the outlet, so that the microbubble can be manufactured without an external gas supply device.
  • FIG. 1 is a perspective view showing a micro bubble nozzle according to the prior art.
  • Figure 2 is a cross-sectional view showing a microbubble nozzle according to the prior art.
  • FIG. 3 is a cross-sectional view of the microbubble nozzle according to the present invention.
  • FIG. 4 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 5 is a cross-sectional view taken along the line B-B in FIG.
  • FIG. 6 is a view showing a state in which the injection hole helically formed in the circumferential direction according to the present invention.
  • FIG. 7 is a cross-sectional view taken along the line C-C of FIG.
  • FIG. 3 is a cross-sectional view of the microbubble nozzle according to the present invention
  • FIG. 4 is a cross-sectional view taken along the line A-A of FIG. 3
  • FIG. 5 is a cross-sectional view taken along the line B-B of Figure 3
  • Figure 6 is a spray hole according to the present invention It is a figure which shows the state formed spirally in the circumferential direction
  • FIG. 7 is sectional drawing C-C line
  • the microbubble nozzle 100 of the present invention includes a nozzle body 10 and an air supply unit 20.
  • the nozzle body 10 the inlet 11 is formed on one side, the outlet 12 is formed on the other side, the fluid flow path 13 is formed between the inlet 11 and the outlet 12, Compared to the inlet 11 and the outlet 12, the cross section is reduced.
  • the air supply unit 20 has a space 21 formed on the outside of the flow path 13, the air supply hole 22 is formed to supply external air to the space 21, the flow A plurality of injection holes 23 communicated with the furnace 13 is formed.
  • a helical fluid supply passage 11a on the inner surface of the inlet 11 of the nozzle body 10.
  • the fluid transferred from the pump 200 passes through the helical fluid supply path 11a to form a whirlwind, thereby increasing the cavitation effect.
  • the injection hole 23 is to be helically penetrated in the circumferential direction so that air is mixed at a predetermined interval in the flow of the fluid.
  • the fluid collision member 30 may be installed on the inner surface of the outlet 12 of the nozzle body 10, the fluid collision member 30 of the conical core material 31 and the core material 31 It may be made of a wing piece 32 on the outside.
  • the wing piece 32 is formed in a spiral in the opposite direction to the helical fluid supply path (11a) to block the flow of the whirlwind fluid flowing from the inlet 11 in the opposite direction of the microbubble Make it easy to form.
  • the fluid space portion 40 is formed outside the inlet 11, and the fluid supply port 41 is formed in the circumferential direction of the fluid space 40 so that the fluid in the fluid space portion 40.
  • whirlwind is generated in the circumferential direction from the outside of the inlet 11, and the inlet 11 is introduced into the inlet 11, thereby increasing the cavitation effect, thereby making it easier to form the micro bubbles.
  • the fluid space portion 40 may be formed outside the inlet 11, and each or all of the configurations may be provided to form the fluid supply port 41 in the circumferential direction of the fluid space 40. .
  • the microbubble nozzle 100 of the present invention configured as described above connects the pump 200 to one side of the inlet 11, arranges the outlet 12 in water, and then processes the pump 200.
  • the fluid is discharged through the inlet 11 and the flow path 13 and the outlet 12 to eject the micro bubbles in the water.
  • the vortex-shaped fluid is transported through the spiral fluid supply path 11a formed at the inlet 11 to form a cavitation.
  • the fluid that forms the cavitation in the inlet 11 passes through a smaller cross section than the inlet 11, and the pressure decreases while increasing the speed, thereby generating a venturi effect. Accordingly, the outside air opens the air supply hole 22. While staying in the space 21 through the plurality of injection holes 23 are mixed with the fluid. In other words, no external air generating device is required, thereby reducing manufacturing costs.
  • the injection hole 23 spirally penetrates in the circumferential direction so that external air can be sequentially injected into the fluid passing through the flow path 13 (see FIG. 6).
  • the fluid of the compressed air mixed state is ejected into the water through the outlet 12 to form a micro bubble, at this time, while hitting the wing piece 32 of the fluid collision member 30 formed in the outlet 12 It is possible to facilitate the formation of bubbles, and to further facilitate the formation of micro bubbles by allowing the wing pieces 32 of the fluid collision member 30 to be formed in the opposite direction to the helical fluid supply path 11a. .

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nozzles (AREA)

Abstract

La présente invention concerne une buse de microbulles. L'objectif de la présente invention est de fournir une buse de microbulles permettant de former des microbulles en douceur sans qu'il soit nécessaire de diminuer de façon drastique la section transversale d'un trajet d'écoulement pour l'introduction d'un fluide à travers celle-ci et permettant de réduire le coup de bélier. La buse de microbulles comprend: un corps principal de buse comprenant une admission au niveau d'un côté, une évacuation au niveau de l'autre côté et un trajet d'écoulement de fluide entre l'admission et l'évacuation, le trajet d'écoulement de fluide présentant une section transversale inférieure par rapport à l'admission et à l'évacuation; une partie d'alimentation en air comprenant une partie d'espace formée au niveau du côté externe du trajet d'écoulement, un trou d'alimentation en air formé au niveau de la partie d'espace de manière à fournir de l'air extérieur, et une pluralité de trous de pulvérisation communiquant avec le chemin d'écoulement, la pluralité de trous de pulvérisation étant pénétrée en spirale dans une direction circonférentielle; un trajet d'alimentation en fluide en spirale formé sur la surface interne de l'admission du corps principal de buse; et un élément de collision de fluide installé sur la surface interne de l'évacuation du corps principal de buse, l'élément de collision de fluide étant composé d'un matériau de noyau sous une forme conique et d'une pièce d'aile à l'extérieur du matériau de noyau, la pièce d'aile étant formée dans une direction opposée au trajet d'alimentation en fluide en spirale.
PCT/KR2015/007361 2014-07-23 2015-07-15 Buse de microbulles Ceased WO2016013801A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580039456.1A CN106660842B (zh) 2014-07-23 2015-07-15 微气泡喷嘴

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0093028 2014-07-23
KR1020140093028A KR101483412B1 (ko) 2014-07-23 2014-07-23 마이크로 버블 노즐

Publications (2)

Publication Number Publication Date
WO2016013801A2 true WO2016013801A2 (fr) 2016-01-28
WO2016013801A3 WO2016013801A3 (fr) 2016-03-17

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Application Number Title Priority Date Filing Date
PCT/KR2015/007361 Ceased WO2016013801A2 (fr) 2014-07-23 2015-07-15 Buse de microbulles

Country Status (3)

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KR (1) KR101483412B1 (fr)
CN (1) CN106660842B (fr)
WO (1) WO2016013801A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN111760478A (zh) * 2020-07-24 2020-10-13 中国石油天然气集团有限公司 一种对冲式泡沫发生装置及泡沫发生方法

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WO2018225904A1 (fr) * 2017-06-07 2018-12-13 황재구 Structure de tuyau permettant la génération de bulles
TWI629247B (zh) * 2017-08-22 2018-07-11 阮慶源 Microbubble generator
KR101876839B1 (ko) * 2017-12-26 2018-07-10 대진환경산업 주식회사 마이크로 버블 발생기를 이용한 건설폐기물의 선별 처리방법
KR101912617B1 (ko) * 2017-12-28 2018-10-29 주식회사 대진산업 무동력 마이크로버블 형성구조를 갖는 탈취장치
CN108144465A (zh) * 2018-01-19 2018-06-12 济南上华科技有限公司 一种基于水中大量产生纳米微泡的装置
CN108261936A (zh) * 2018-02-09 2018-07-10 深圳市东亮环保科技有限公司 一种喷嘴、气泡机及喷嘴使用方法
KR101905377B1 (ko) * 2018-03-16 2018-10-05 신상교 마이크로버블을 이용한 그리스트랩 장치.
CN108216639A (zh) * 2018-04-03 2018-06-29 惠安县金建达电子科技有限公司 一种改进型多功能微气泡植保无人机
CN109650523B (zh) * 2019-02-14 2024-02-13 环亚(天津)环保科技有限公司 一种高效能污水处理喷射器
KR102118842B1 (ko) * 2020-01-17 2020-06-03 우창수 마이크로버블 발생장치
KR102292125B1 (ko) * 2020-11-24 2021-08-23 조경진 오폐수처리시스템
KR20220128046A (ko) 2021-03-12 2022-09-20 김정섭 마이크로버블 발생 노즐 유닛
KR102336198B1 (ko) * 2021-03-16 2021-12-08 주식회사 아인스 마이크로버블과 와류를 이용한 애완동물용 발 세척장치

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Publication number Priority date Publication date Assignee Title
CN111760478A (zh) * 2020-07-24 2020-10-13 中国石油天然气集团有限公司 一种对冲式泡沫发生装置及泡沫发生方法
CN111760478B (zh) * 2020-07-24 2024-03-15 中国石油天然气集团有限公司 一种对冲式泡沫发生装置及泡沫发生方法

Also Published As

Publication number Publication date
KR101483412B1 (ko) 2015-01-21
CN106660842A (zh) 2017-05-10
CN106660842B (zh) 2020-05-19
WO2016013801A3 (fr) 2016-03-17

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