JP2021504133A - マイクロバブル発生器 - Google Patents
マイクロバブル発生器 Download PDFInfo
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- JP2021504133A JP2021504133A JP2020545837A JP2020545837A JP2021504133A JP 2021504133 A JP2021504133 A JP 2021504133A JP 2020545837 A JP2020545837 A JP 2020545837A JP 2020545837 A JP2020545837 A JP 2020545837A JP 2021504133 A JP2021504133 A JP 2021504133A
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- passage
- microbubble generator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
- E03C1/084—Jet regulators with aerating means
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—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
- B01F23/2312—Diffusers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—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
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—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
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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
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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
- B01F23/2323—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
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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
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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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- 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
- B01F23/234—Surface aerating
- B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
- B01F23/23411—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere by cascading the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
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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
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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
- B01F25/30—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
- B01F25/3121—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
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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
- B01F25/30—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
- B01F25/31242—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 central area of the venturi, creating an aspiration in the circumferential part of the conduit
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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
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
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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
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
- B01F25/4323—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa using elements provided with a plurality of channels or using a plurality of tubes which can either be placed between common spaces or collectors
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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
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
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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
- B01F25/40—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
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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
- B01F25/40—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
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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
- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Nanotechnology (AREA)
- Domestic Plumbing Installations (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
Abstract
Description
10a、10b、10c、10d、10e 給水部材
11a、11b、11c、11d、11e 第1本体
111 第1接続面
112、212 凹溝
113、213 緊張リング
12 第1通路
121 導流路
13a、13b、13c、13d、13e 第1側方通路
14 ボス
15 凹溝
16 接続ロッド
16 座金溝
17 座金
18 中間ねじ溝
19 浮上座金
20a、20b、20c、20d、20e 吐水部材
21a、21b、21c、21d 第2本体
211 第2接続面
22 第2通路
23a、23b、23c 第2側方通路
24 吐出水貯留空間
241 穿孔エンドカバー
242 気泡微細化網
243 突起
25 接続溝
26 気泡増加部材
261 増加網
262 間隔リング
30 吸気ギャップ
31 浅溝
40 スリーブ
50 通気貫通孔
60 渦流導管
61 羽根
611 階段面
62 渦流路
63 外被管
70 調節部材
71 調節空間
72 調節ヘッド
73 調節ねじ棒
74 じ山
75 固定リング
751 操作貫通孔
752 通水孔
80 規制部材
81 規制空間
82 規制栓
900 吐水装置
910 進入端
911 シェル
912 フロントコネクター
920 進出端
921 拡張ボード
922 後部コネクター
Claims (16)
- 吐水装置の進入端と進出端との間に設けられるマイクロバブル発生器であって、
前記進入端に隣接する第1本体と、前記第1本体を貫通する第1通路とを含み、前記第1本体の該第1通路によって貫通された片端に第1接続面が設けられる給水部材と、
前記進出端に隣接する第2本体と、前記第2本体を貫通する第2通路とを含み、前記第2本体の前記第2通路によって貫通された片端に第2接続面が設けられる吐水部材とを含み、
前記給水部材と前記吐水部材は互いに当接し、前記第1接続面は前記第2接続面に対面し、前記第1通路は前記第2通路と連通し、且つ、前記第1接続面と前記第2接続面が接続した箇所に吸気ギャップが設けられ、前記吸気ギャップにより外部の空気が前記第1通路と前記第2通路に取り込まれることを特徴とするマイクロバブル発生器。 - 前記給水部材は前記第1通路に対して併設された複数の第1側方通路を含み、前記吐水部材は前記第2通路に対して併設された複数の第2側方通路を含み、且つ、前記第1側方通路と前記第2側方通路が接続した箇所は前記吸気ギャップと連通することを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記給水部材の前記進入端に隣接する片側は、前記第1通路によって貫通されたボスと、前記ボスを取り囲み且つ各前記第1側方通路によって貫通された陥没した凹溝とを含むことを特徴とする請求項2に記載のマイクロバブル発生器。
- 各前記第1側方通路及び/又は各前記第2側方通路は前記第1通路、及び前記第2通路に対して傾斜するように設けられることを特徴とする請求項2に記載のマイクロバブル発生器。
- スリーブと、前記スリーブを貫通する通気貫通孔をさらに含み、前記給水部材、及び前記吐水部材は前記スリーブ内に固定され、且つ、前記吸気ギャップは前記通気貫通孔と連通することを特徴とする請求項1に記載のマイクロバブル発生器。
- 螺旋状に設けられた複数の羽根と、各前記羽根の間に介在する複数の渦流路と、各前記羽根と各前記渦流路を取り囲む外被管とからなり、前記スリーブの前記第2本体に隣接する片端に設けられた渦流導管をさらに含み、各前記羽根の前記渦流路に対応する外面に複数の階段面が設けられることを特徴とする請求項5に記載のマイクロバブル発生器。
- 前記吐水部材は、前記第2本体の前記進出端に対応する箇所に設けられた穿孔エンドカバーと、前記穿孔エンドカバーと前記第2本体との間に設けられた気泡微細化網とを含むことを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記吐水部材は、前記穿孔エンドカバーから前記進出端に対して延在する突起を含むことを特徴とする請求項7に記載のマイクロバブル発生器。
- 前記吐水部材は、前記進出端に隣接し前記第2本体に接続された吐出水貯留空間を含み、前記マイクロバブル発生器は、螺旋状に設けられた複数の羽根と、各前記羽根の間に介在する複数の渦流路と、各前記羽根と各前記渦流路を取り囲む外被管とからなり、前記吐出水貯留空間内に設けられた渦流導管をさらに含み、各前記羽根の前記渦流路に対応する外面に複数の階段面が設けられることを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記給水部材は前記第1接続面に立設された接続ロッドを含み、前記吐水部材は前記接続ロッドに対応する接続溝を含み、且つ、前記接続ロッドは前記接続溝に対して密接して設けられることを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記第1接続面と前記第2接続面が対応して陥没するように構成された調節空間と、前記調節空間に螺着された調節ねじ棒と、前記調節ねじ棒に対して螺合するねじ山とからなる調節部材をさらに含むことを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記調節ねじ棒は、前記調節空間内にかしめ固定されることを特徴とする請求項11に記載のマイクロバブル発生器。
- 前記第1接続面と前記第2接続面が対応して陥没するように構成された規制空間と、前記規制空間に可動に設けられた規制栓とからなる規制部材をさらに含み、前記調節ねじ棒に対して回転させることによって前記調節ねじ棒の前記ねじ山に螺合された深さを変更し、前記給水部材と前記吐水部材が互いに離隔又は接近するように駆動することができ、且つ、前記規制部材により前記給水部材と前記吐水部材の最大ピッチが決定されることを特徴とする請求項11に記載のマイクロバブル発生器。
- 前記調節部材は前記調節ねじ棒に従動する調節ヘッドと、前記調節ヘッドを前記調節空間の内壁に固定する固定リングとを含み、前記固定リングには、ツールを挿通して前記調節ヘッドに対して操作するための操作貫通孔と、水流が通過する複数の通水孔とが開設されることを特徴とする請求項11に記載のマイクロバブル発生器。
- 前記吐水部材は、増加網と、前記増加網に接続された間隔リングとからなり、前記第2本体の前記第1本体から離隔する片側に設けられた少なくとも1つの気泡増加部材を含むことを特徴とする請求項1に記載のマイクロバブル発生器。
- 前記第1接続面又は前記第2接続面に陥没した座金溝が設けられ、前記座金溝内には前記座金溝からわずか突出するいくつかの座金が設けられ、且つ、前記座金と前記座金溝の高さの差により前記第1接続面と前記第2接続面が当接した時、必要な最小限の前記吸気ギャップが保持されることを特徴とする請求項1に記載のマイクロバブル発生器。
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TWI629247B (zh) | 2018-07-11 |
EP3721981A1 (en) | 2020-10-14 |
TW201912591A (zh) | 2019-04-01 |
JP7125991B2 (ja) | 2022-08-25 |
AU2018379742A1 (en) | 2020-06-11 |
US11565219B2 (en) | 2023-01-31 |
EP3721981A4 (en) | 2021-07-14 |
CN109424018A (zh) | 2019-03-05 |
US20210154626A1 (en) | 2021-05-27 |
KR20200078631A (ko) | 2020-07-01 |
WO2019109534A1 (zh) | 2019-06-13 |
US20190060846A1 (en) | 2019-02-28 |
US10946347B2 (en) | 2021-03-16 |
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