WO2019208962A1 - Petit dispositif de génération de microbulles destiné à un parc à poissons - Google Patents

Petit dispositif de génération de microbulles destiné à un parc à poissons Download PDF

Info

Publication number
WO2019208962A1
WO2019208962A1 PCT/KR2019/004468 KR2019004468W WO2019208962A1 WO 2019208962 A1 WO2019208962 A1 WO 2019208962A1 KR 2019004468 W KR2019004468 W KR 2019004468W WO 2019208962 A1 WO2019208962 A1 WO 2019208962A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
oxygen
air
water
small
Prior art date
Application number
PCT/KR2019/004468
Other languages
English (en)
Korean (ko)
Inventor
김성구
Original Assignee
Kim Sung Goo
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 Kim Sung Goo filed Critical Kim Sung Goo
Publication of WO2019208962A1 publication Critical patent/WO2019208962A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/047—Liquid pumps for aquaria
    • 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
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • 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
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • B01F23/23114—Mounting the bubbling devices or the diffusers characterised by the way in which the different elements of the bubbling installation are mounted
    • B01F23/231141—Mounting auxiliary devices, e.g. pumps or compressors in a particular place on the bubbling installation, e.g. under water
    • 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
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • B01F23/23114—Mounting the bubbling devices or the diffusers characterised by the way in which the different elements of the bubbling installation are mounted
    • B01F23/231142—Mounting the gas transporting elements, i.e. connections between conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations

Definitions

  • the present invention relates to a microbubble generating device, and more particularly, to a microbubble generating device for aquaculture farms, which are installed in a farm and used to generate microbubbles to increase the amount of dissolved oxygen.
  • aquaculture farms use air from the atmosphere to supply oxygen to the farms.
  • aerators are usually used to ensure sufficient contact between air and water.
  • the aeration device is a device that inhales air in the air to dissolve oxygen and dissolves in water to increase the amount of dissolved oxygen in the water.
  • the microbubbles are very small in size, the area of contact with the water becomes larger and can be easily dissolved in the water, and the buoyancy is so small that they can stay in the water for a long time, which can lead to longer contact with the water. It will dissolve enough in water.
  • micro bubble generators have been disclosed to have a variety of forms and structures, usually using a venturi tube, orifice tube, etc. to induce the intake of air by lowering the pressure, projections, vortex forming means (to divide the bubbles finely Screws, spiral blades, etc.) and porous plates.
  • an object of the present invention is to provide a small micro bubble generator for aquaculture farms that can maximize the amount of dissolved oxygen by injecting air and oxygen at the same time.
  • a small microbubble bubble generator for aquaculture comprising: an underwater pump installed in water to circulate water in aquaculture farm; A spout pipe of a circular pipe shape connected by an outlet of the submersible pump and a connection socket; A plurality of screw protrusions protruding from an inner circumferential surface of the jet pipe and having a spiral formed on a surface thereof; An air suction pipe connected to the outlet and exposed to the atmosphere to suck air; Branch pipe provided on the air suction pipe; An oxygen input pipe connected to the branch pipe; And liquefied oxygen supply means for supplying oxygen into the air suction pipe through the oxygen injection pipe.
  • the screw protrusion may be inclined in the direction in which water flows.
  • the protruding height of the screw protrusion may be 26 to 36% of the length of the inner diameter of the blowout pipe.
  • the screw protrusion may be arranged in a zigzag form.
  • the ratio of the air sucked into the air suction pipe and the oxygen introduced through the oxygen input pipe may be 7: 3 to 9: 1.
  • FIG. 1 is a perspective view showing a small micro bubble generating apparatus for farms according to an embodiment of the present invention
  • Figure 2 is a longitudinal cross-sectional view of the blowoff pipe of the present invention shown in Figure 1
  • FIG. 3 is a cross-sectional view of the blowoff pipe of the present invention shown in FIG.
  • FIG. 1 is a perspective view showing a small micro bubble generating apparatus for farms according to an embodiment of the present invention.
  • the present invention is installed in the water of the aquaculture farms and the air and oxygen at the same time to generate a large amount of micro bubbles (micro bubbles) to increase the dissolved oxygen (DO) in the aquaculture farms, a large underwater pump (100), Blowing pipe 200, screw projection 300, air suction pipe 400, branch pipe 500, oxygen injection pipe 600, may be configured to include a liquid oxygen supply means (700).
  • the submersible pump 100 circulates the water installed in the water of the farm 10.
  • the submersible pump 100 has a motor 110 and an impeller (not shown), a housing 120 covering the motor 110 and the impeller, a suction port or a suction hole formed at one side of the housing 120 to suck water ( 130 and the discharge port 140 provided on the other side of the housing 120 to discharge sucked water.
  • the jet pipe 200 is a circular pipe coupled to communicate with the outlet 140 of the submersible pump 100 to eject the water discharged from the outlet 140 into the farm 10.
  • the blower pipe 200 may be connected to the outlet 140 by a separate connection socket 150.
  • the inner diameter of the blower pipe 200 is the same or almost similar to the inner diameter of the outlet 140. That is, it is not a orifice or venturi tube structure like the conventional one, but is a straight tube which has a constant internal diameter over the whole length.
  • the outer diameter of the outlet 140 is larger than the outer diameter of the blower pipe 200 may be used with the venturi tube by inducing the inner diameter is gradually reduced by using the connecting socket 150.
  • the material of the blower pipe 200 may be a synthetic resin.
  • FIG. 2 is a longitudinal sectional view of the ejection pipe of the present invention shown in FIG. 1
  • FIG. 3 is a cross-sectional view of the ejection pipe of the present invention shown in FIG.
  • the screw protrusion 300 protrudes from the inner circumferential surface of the jet pipe 200 toward the center of the inner diameter of the jet pipe 200. And a spiral is formed on the surface.
  • the screw protrusion 300 may be made by penetrating the bolt in the outer peripheral surface of the jet pipe (200).
  • the use of bolts has the advantage of being fastened or detached.
  • the screw protrusion 300 is provided in a row at regular intervals along the inner circumference of the jet pipe 200, spaced apart at regular intervals along the longitudinal direction of the jet pipe 200 is the next row of the jet pipe 200 is provided at regular intervals along the inner diameter circumference.
  • each of the screw protrusions 300 arranged in two adjacent rows are arranged in a zigzag with each other. That is, the screw projections of another row are positioned between two screw projections of one row. This is to cause as much collision as possible with the water flowing in the jet pipe (200).
  • the surface of the screw projection 300 is not smooth and the spiral is formed to induce more turbulent flow during the collision. Therefore, air or oxygen-containing bubbles in the water collide with each other, so that they can be broken more and broken up finely.
  • the seawater contains various floats. This float is partly caught by the screw protrusion 300 when seawater is ejected through the jet pipe 200, and if the float is continuously fixed, the outer diameter of the screw protrusion 300 becomes large. This may clog the jet tube.
  • the screw protrusion 300 may be provided to be inclined in a direction in which water flows.
  • the inclination angle s of the screw protrusion 300 is appropriately 0 ° to 45 ° based on the inner diameter direction of the jet pipe 200. If it is larger than 45 ⁇ , the collision effect with bubbles is greatly reduced.
  • the protruding height (length) of the screw protrusion 300 may be 26 to 36% of the length of the inner diameter (d) of the jet pipe (200).
  • the protruding height or the protruding length means a vertical distance from the inner circumferential surface of the jet pipe to the end of the screw projection.
  • the protrusion length h of the screw protrusion may be 8 to 11 mm.
  • the protruding length h of the screw protrusion 300 is smaller than 26% of the inner diameter of the jet pipe 200, the impact effect is drastically reduced and the generation of micro bubbles is greatly reduced.
  • the protrusion height h of the screw protrusion 300 may be 26 to 36% of the length of the inner diameter of the jet pipe 200 as shown.
  • the air suction pipe 400 has one end connected to the outlet 140 of the submersible pump 100 and the other end is connected to the atmosphere.
  • a branch pipe 500 is provided in the middle of the air suction pipe 400.
  • the branch pipe 500 combines a plurality of fluid flows into one or divides one flow into a plurality of flows.
  • the branch pipe 500 forms a 'T' shape to separate air and oxygen. It's inflow, but it's a configuration for merging into one.
  • oxygen input pipe 600 is connected to the branch pipe 500, and the oxygen input pipe 600 is connected to a separate liquefied oxygen supply means 700 to connect the branch pipe through the oxygen input pipe 600.
  • Oxygen may be added at 500.
  • the liquefied oxygen supply means 700 may be a liquefied oxygen tank, and a separate oxygen valve 710 may be provided in the oxygen input pipe 600 to inject oxygen in an appropriate ratio.
  • the amount of oxygen introduced through the oxygen inlet tube 600 may be less than the amount of air sucked through the air inlet tube 400.
  • the ratio of the amount of air sucked into the air suction pipe 400 and the amount of oxygen introduced through the oxygen input pipe 600 is preferably 7: 3 to 9: 1.
  • dissolved oxygen (DO) of normal seawater is 6.5ppm.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

La présente invention concerne un petit dispositif de génération de microbulles destiné à un parc à poissons et, en particulier, un dispositif logé dans un parc à poissons en vue de générer des microbulles, le dispositif comprenant : une pompe sous-marine logée sous l'eau en vue de faire circuler l'eau dans le parc ; un tuyau de bec verseur en forme de tube circulaire raccordé à un orifice d'évacuation de la pompe sous-marine par une douille de raccordement ; une pluralité de saillies de vis faisant saillie à partir de la surface circonférentielle interne du tuyau de bec verseur et possédant une spirale formée sur sa surface ; un tuyau d'aspiration d'air raccordé à l'orifice d'évacuation et exposé à l'atmosphère en vue d'aspirer de l'air ; un tuyau de dérivation disposé sur le tuyau d'aspiration d'air ; un tuyau d'injection d'oxygène raccordé au tuyau de dérivation ; et un moyen d'alimentation en oxygène liquéfié destiné à fournir de l'oxygène dans le tuyau d'aspiration d'air à travers le tuyau d'injection d'oxygène.
PCT/KR2019/004468 2018-04-27 2019-04-12 Petit dispositif de génération de microbulles destiné à un parc à poissons WO2019208962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180049351A KR101920919B1 (ko) 2018-04-27 2018-04-27 양식장용 소형 마이크로 버블 생성장치
KR10-2018-0049351 2018-04-27

Publications (1)

Publication Number Publication Date
WO2019208962A1 true WO2019208962A1 (fr) 2019-10-31

Family

ID=64602701

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/004468 WO2019208962A1 (fr) 2018-04-27 2019-04-12 Petit dispositif de génération de microbulles destiné à un parc à poissons

Country Status (2)

Country Link
KR (1) KR101920919B1 (fr)
WO (1) WO2019208962A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112568177A (zh) * 2020-11-30 2021-03-30 靖江恩沛智能设备有限公司 一种智能巡塘防止水体缺氧的增氧机器人
JP7113152B1 (ja) * 2022-02-02 2022-08-04 強 下山 気液混合上下対流循環装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200497208Y1 (ko) 2021-08-27 2023-08-31 주식회사 광일엔지니어링 미세 기포 발생기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646717A (ja) * 1992-07-30 1994-02-22 Masakuni Kanai 養魚用酸素補給方法およびその装置
JP3763351B2 (ja) * 2001-06-06 2006-04-05 修 山中 気泡発生装置、浄水装置および水の浄化方法
KR100842786B1 (ko) * 2007-04-25 2008-07-01 경상대학교산학협력단 수면 부유 기포식 산소 공급장치
JP2012040448A (ja) * 2008-11-14 2012-03-01 Yasutaka Sakamoto マイクロバブル発生装置
KR101376710B1 (ko) * 2013-01-03 2014-03-21 서대림 다단 가변식 산소량 조절과 펌프 부하량 조절이 가능한 고효율 용해 산소공급장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000263089A (ja) 1999-03-16 2000-09-26 Mitsubishi Heavy Ind Ltd 水域冷却及び浄化装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646717A (ja) * 1992-07-30 1994-02-22 Masakuni Kanai 養魚用酸素補給方法およびその装置
JP3763351B2 (ja) * 2001-06-06 2006-04-05 修 山中 気泡発生装置、浄水装置および水の浄化方法
KR100842786B1 (ko) * 2007-04-25 2008-07-01 경상대학교산학협력단 수면 부유 기포식 산소 공급장치
JP2012040448A (ja) * 2008-11-14 2012-03-01 Yasutaka Sakamoto マイクロバブル発生装置
KR101376710B1 (ko) * 2013-01-03 2014-03-21 서대림 다단 가변식 산소량 조절과 펌프 부하량 조절이 가능한 고효율 용해 산소공급장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112568177A (zh) * 2020-11-30 2021-03-30 靖江恩沛智能设备有限公司 一种智能巡塘防止水体缺氧的增氧机器人
JP7113152B1 (ja) * 2022-02-02 2022-08-04 強 下山 気液混合上下対流循環装置

Also Published As

Publication number Publication date
KR101920919B1 (ko) 2018-11-21

Similar Documents

Publication Publication Date Title
WO2019208962A1 (fr) Petit dispositif de génération de microbulles destiné à un parc à poissons
CA1139464A (fr) Systeme multi-etage d'oxygenation a buses d'injection
WO2016013801A2 (fr) Buse de microbulles
WO2016117743A1 (fr) Humidificateur de type flottant
WO2017026590A1 (fr) Aérateur
WO2013183891A1 (fr) Dispositif de génération de bulles ultrafines
JP2004313905A (ja) 気液溶解タンクの構造
WO2013089355A1 (fr) Dispositif d'alimentation en air pour aquarium
KR101376710B1 (ko) 다단 가변식 산소량 조절과 펌프 부하량 조절이 가능한 고효율 용해 산소공급장치
CN204779078U (zh) 一种用于射流曝气机的多喷管式曝气器
CN104909478A (zh) 一种螺旋式射流曝气机
CN209824877U (zh) 一种水气耦合自吸式增氧机构
KR101162576B1 (ko) 수질 개선용 폭기 시스템
CN115999418A (zh) 一种微气泡装置的吸气保护结构
KR101163971B1 (ko) 수질 개선용 미세기포 발생장치
JP2004290803A (ja) 微細気泡発生装置の気液溶解タンク構造
CN208517041U (zh) 新型旋流式曝气器
CN103641251B (zh) 一种定向水流曝气增氧一体机
US4865776A (en) Apparatus for aerating water in a container
CN204803098U (zh) 一种螺旋式射流曝气机
US20090206497A1 (en) Liquid waste aeration system and method
CN217202216U (zh) 一种微纳米气泡臭氧投加设备
CN219308568U (zh) 一种微气泡装置的吸气保护结构
CN204803099U (zh) 一种射流曝气机
KR20120077673A (ko) 분수가 구비된 방사형 폭기 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19793897

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19793897

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 19793897

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 19.04.2021)

122 Ep: pct application non-entry in european phase

Ref document number: 19793897

Country of ref document: EP

Kind code of ref document: A1