WO2006137265A1 - Discharge flow passage of pressure dissolving device - Google Patents

Discharge flow passage of pressure dissolving device Download PDF

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Publication number
WO2006137265A1
WO2006137265A1 PCT/JP2006/311393 JP2006311393W WO2006137265A1 WO 2006137265 A1 WO2006137265 A1 WO 2006137265A1 JP 2006311393 W JP2006311393 W JP 2006311393W WO 2006137265 A1 WO2006137265 A1 WO 2006137265A1
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Prior art keywords
discharge flow
pressure
flow path
flow passage
reduced diameter
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PCT/JP2006/311393
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French (fr)
Japanese (ja)
Inventor
Toshihiko Eguchi
Original Assignee
Aura Tec 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.)
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Publication date
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Publication of WO2006137265A1 publication Critical patent/WO2006137265A1/en

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Classifications

    • 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
    • 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
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • 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
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4338—Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section
    • 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
    • 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

Definitions

  • the present invention relates to a pressure dissolution apparatus that discharges microbubbles having a diameter of several tens of microns into water by dissolving a gas such as air in a liquid such as water under pressure and releasing the pressure.
  • Fig. 4 shows a conventional pressurized dissolution apparatus, in which water in a water tank 2 is sucked up together with air by a pump 3, and the taken-in air is dissolved under a caloric pressure in a dissolution tank 4 provided on the pump outlet side. Then, it is discharged as microbubbles via a nozzle 5 provided in the discharge flow path 1.
  • Patent Document 1 Japanese Patent Laid-Open No. 2005-000882
  • Patent Document 2 JP 2004-283810 A
  • Patent Document 3 Japanese Patent Laid-Open No. 2003-079535
  • Patent Document 4 Japanese Patent Laid-Open No. 2002-102093
  • Non-patent document 1 Nikkan Kogyo Shimbun (issued July 24, 1998)
  • the problem to be solved by the present invention is to provide a discharge flow path of a pressure dissolution apparatus that satisfies the required characteristics of having a simple structure and high dissolution efficiency.
  • the discharge flow path of the pressure dissolving device of the present invention is provided with at least one reduced diameter portion, and at least one end of the reduced diameter portion is rounded or tapered. It is characterized by that.
  • the discharge flow path of the pressure dissolution apparatus of the present invention is provided with a reduced diameter portion, and a radius or taper is formed at least one end of the reduced diameter portion.
  • FIG. 1 is a longitudinal sectional view and a front view showing the structure of the discharge flow path 1 of the pressure dissolving apparatus according to the first embodiment.
  • the reduced diameter portion 10 is mounted by screwing, for example, a hollow body with a copper rod perforated into the end of the discharge flow path 1 of the dissolution tank force of the pressure dissolution apparatus.
  • FIG. 2 is a longitudinal section showing the structure of the discharge flow path 1 of the pressure dissolution apparatus according to the second embodiment. .
  • a plurality of reduced diameter portions 10 are provided in the discharge flow path 1 from the dissolution tank of the pressure dissolution apparatus.
  • FIG. 3 is a longitudinal section showing the structure of the discharge flow path 1 of the pressure dissolution apparatus according to the third embodiment.
  • the diameter-reduced portion 10 may be formed by narrowing a part of the pipe of the discharge flow path 1 so that at least one end of the throttle is rounded or tapered.
  • FIG. 1 shows a structure of a discharge channel of a pressure dissolution apparatus that is a first embodiment of the present invention.
  • FIG. 2 shows a structure of a discharge flow path of a pressure dissolution apparatus that is a second embodiment of the present invention.
  • FIG. 3 shows a structure of a discharge flow path of a pressure dissolution apparatus that is a third embodiment of the present invention.
  • FIG. 4 Shows the structure of a conventional pressure dissolution apparatus.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)

Abstract

A discharge flow passage of a pressure dissolving device simply formed and capable of fulfilling such requirements that a high dissolving efficiency must be provided. The discharge flow passage of the pressure dissolving device for dissolving air into water is characterized in that at least one reduced diameter part is formed therein and a radius or a taper is applied to at least one end part of the reduced diameter part.

Description

明 細 書  Specification
加圧溶解装置の吐出流路  Discharge flow path of pressure dissolution device
技術分野  Technical field
[0001] 本発明は、加圧下において空気などの気体を水などの液体に溶解させ、圧力を開 放することで数十ミクロン径のマイクロバブルを水中に吐出する加圧溶解装置に関す る。  The present invention relates to a pressure dissolution apparatus that discharges microbubbles having a diameter of several tens of microns into water by dissolving a gas such as air in a liquid such as water under pressure and releasing the pressure.
背景技術  Background art
[0002] マイクロバブルによる高 、溶解効率にっ 、ては、例えば非特許文献 1に記載されて いるように既に広く知られており、そのためのマイクロバブル発生装置としては、より多 くの微細な気泡を効率的に得られることが必要であるとの観点から、特許文献 1乃至 4等に見られるように、多くの加圧溶解装置が提案されている。  [0002] The high dissolution efficiency due to microbubbles has already been widely known as described in, for example, Non-Patent Document 1, and as a microbubble generator for this purpose, more and more fine devices are used. From the viewpoint that it is necessary to obtain bubbles efficiently, many pressure dissolving apparatuses have been proposed as seen in Patent Documents 1 to 4 and the like.
[0003] 図 4は、従来の加圧溶解装置を示し、水槽 2の水がポンプ 3により空気とともに吸い 上げられ、取り入れられた空気はポンプ出口側に設けられた溶解タンク 4においてカロ 圧下で溶解し、吐出流路 1に設けられたノ レブ 5を介してマイクロバブルとなって吐き 出される。  [0003] Fig. 4 shows a conventional pressurized dissolution apparatus, in which water in a water tank 2 is sucked up together with air by a pump 3, and the taken-in air is dissolved under a caloric pressure in a dissolution tank 4 provided on the pump outlet side. Then, it is discharged as microbubbles via a nozzle 5 provided in the discharge flow path 1.
特許文献 1：特開 2005— 000882号公報  Patent Document 1: Japanese Patent Laid-Open No. 2005-000882
特許文献 2：特開 2004— 283810号公報  Patent Document 2: JP 2004-283810 A
特許文献 3 :特開 2003— 079535号公報  Patent Document 3: Japanese Patent Laid-Open No. 2003-079535
特許文献 4:特開 2002— 102093号公報  Patent Document 4: Japanese Patent Laid-Open No. 2002-102093
非特許文献 1：日刊工業新聞 (平成 10年 7月 24日発行）  Non-patent document 1: Nikkan Kogyo Shimbun (issued July 24, 1998)
発明の開示  Disclosure of the invention
発明が解決しょうとする課題  Problems to be solved by the invention
[0004] ところが、上記従来の加圧溶解装置は、何れも気泡を生成するための流路構造と なっているため、気泡数は多く得られるものの、微細泡とはいえ時間と共に水面に浮 上し充分な溶解効率が得られて!/ヽなかった。 [0004] However, since all of the conventional pressure dissolving devices have a flow channel structure for generating bubbles, a large number of bubbles can be obtained, but even though they are fine bubbles, they float on the water surface over time. However, sufficient dissolution efficiency was obtained!
[0005] 本発明が解決しょうとする課題は、構造が簡単で、しカゝも高い溶解効率を得るという 要求特性を満たす加圧溶解装置の吐出流路を提供することにある。 課題を解決するための手段 [0005] The problem to be solved by the present invention is to provide a discharge flow path of a pressure dissolution apparatus that satisfies the required characteristics of having a simple structure and high dissolution efficiency. Means for solving the problem
[0006] 前記課題を解決するため、本発明の加圧溶解装置の吐出流路は、少なくとも 1箇所 の縮径部を設け、縮径部の少なくとも一方の端部に、アールもしくはテーパーを施し たことを特徴とする。  [0006] In order to solve the above-described problem, the discharge flow path of the pressure dissolving device of the present invention is provided with at least one reduced diameter portion, and at least one end of the reduced diameter portion is rounded or tapered. It is characterized by that.
発明の効果  The invention's effect
[0007] 本発明の加圧溶解装置の吐出流路は、縮径部が設けられ、縮径部の少なくとも一 方の端部にアールもしくはテーパーが形成されているので、液体中に加圧溶解させ た空気を圧力開放する際、発生する乱流を排除することで気体の析出を抑えられる。 その結果従来の加圧溶解装置と比較すると、別表 別表 2のように飽和酸素量まで の所要時間を約 1/2に短縮する溶解効率を発揮する。  [0007] The discharge flow path of the pressure dissolution apparatus of the present invention is provided with a reduced diameter portion, and a radius or taper is formed at least one end of the reduced diameter portion. When the released air is released from pressure, it is possible to suppress gas precipitation by eliminating the turbulence that occurs. As a result, as compared with the conventional pressure dissolution apparatus, as shown in Attached Table 2, it exhibits dissolution efficiency that shortens the time required to reach the saturated oxygen amount by about half.
[表 1] 従来装置の場合
Figure imgf000004_0001
[Table 1] Conventional device
Figure imgf000004_0001
[表 2] 従来装置に本発明を使用した場合
Figure imgf000004_0002
発明を実施するための最良の形態 [Table 2] When the present invention is used in a conventional device
Figure imgf000004_0002
BEST MODE FOR CARRYING OUT THE INVENTION
[0008] 以下本発明の実施の形態について説明する。  Hereinafter, embodiments of the present invention will be described.
実施例 1  Example 1
[0009] 図 1は第 1の実施例に係る加圧溶解装置の吐出流路 1の構造を示す縦断面および 正面図である。図において縮径部 10は、例えば銅棒を穿孔した中空体を加圧溶解 装置の溶解タンク力 の吐出流路 1の端末にねじ込んで装着する。  FIG. 1 is a longitudinal sectional view and a front view showing the structure of the discharge flow path 1 of the pressure dissolving apparatus according to the first embodiment. In the figure, the reduced diameter portion 10 is mounted by screwing, for example, a hollow body with a copper rod perforated into the end of the discharge flow path 1 of the dissolution tank force of the pressure dissolution apparatus.
実施例 2  Example 2
[0010] 図 2は第 2の実施例に係る加圧溶解装置の吐出流路 1の構造を示す縦断面である 。図において縮径部 10は、加圧溶解装置の溶解タンクからの吐出流路 1に複数箇 設けられる。 FIG. 2 is a longitudinal section showing the structure of the discharge flow path 1 of the pressure dissolution apparatus according to the second embodiment. . In the figure, a plurality of reduced diameter portions 10 are provided in the discharge flow path 1 from the dissolution tank of the pressure dissolution apparatus.
実施例 3  Example 3
[0011] 図 3は第 3の実施例に係る加圧溶解装置の吐出流路 1の構造を示す縦断面である 。図に示すように、縮径部 10は吐出流路 1の管の一部を絞って、少なくとも絞りの一 方の端部をアール又はテーパーに形成しても良 、。  FIG. 3 is a longitudinal section showing the structure of the discharge flow path 1 of the pressure dissolution apparatus according to the third embodiment. As shown in the figure, the diameter-reduced portion 10 may be formed by narrowing a part of the pipe of the discharge flow path 1 so that at least one end of the throttle is rounded or tapered.
図面の簡単な説明  Brief Description of Drawings
[0012] [図 1]本発明の第 1の実施例である加圧溶解装置の吐出流路の構造を示す。  FIG. 1 shows a structure of a discharge channel of a pressure dissolution apparatus that is a first embodiment of the present invention.
[図 2]本発明の第 2の実施例である加圧溶解装置の吐出流路の構造を示す。  FIG. 2 shows a structure of a discharge flow path of a pressure dissolution apparatus that is a second embodiment of the present invention.
[図 3]本発明の第 3の実施例である加圧溶解装置の吐出流路の構造を示す。  FIG. 3 shows a structure of a discharge flow path of a pressure dissolution apparatus that is a third embodiment of the present invention.
[図 4]従来の加圧溶解装置の構造を示す。  [Fig. 4] Shows the structure of a conventional pressure dissolution apparatus.
符号の説明  Explanation of symbols
[0013] 10 縮径部 [0013] 10 Reduced diameter portion
1 本発明の加圧溶解装置の吐出流路  1 Discharge flow path of the pressure dissolution apparatus of the present invention
2 水槽  2 Aquarium
3 ポンプ  3 Pump
4 溶解タンク  4 Dissolution tank

Claims

請求の範囲 The scope of the claims
[1] 水に空気を溶解させる加圧溶解装置の吐出流路において、少なくとも 1箇所の縮径 部を設け、縮径部の少なくとも一方の端部に、アールもしくはテーパーを施したことを 特徴とする加圧溶解装置の吐出流路。  [1] The discharge flow path of the pressure dissolution apparatus for dissolving air in water is characterized in that at least one reduced diameter portion is provided and at least one end of the reduced diameter portion is rounded or tapered. The discharge flow path of the pressure dissolution apparatus.
PCT/JP2006/311393 2005-06-20 2006-06-07 Discharge flow passage of pressure dissolving device WO2006137265A1 (en)

Applications Claiming Priority (2)

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JP2009072963A (en) * 2007-09-19 2009-04-09 Fujifilm Corp Equipment and method for solution film formation
JP2009195811A (en) * 2008-02-20 2009-09-03 Panasonic Electric Works Co Ltd Water clarification apparatus
JP2009195812A (en) * 2008-02-20 2009-09-03 Panasonic Electric Works Co Ltd Carbonated water manufacturing device
JP2013121414A (en) * 2011-12-09 2013-06-20 Fujidenoro Co Ltd Carbonated spring generating device
JP2014533201A (en) * 2011-11-10 2014-12-11 ブリスフィールド マニュファクチャリング カンパニー Method and apparatus for increasing gas concentration in a liquid
JP2016155081A (en) * 2015-02-24 2016-09-01 株式会社テックコーポレーション Fine bubble generator and fine bubble generation method

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JP4914399B2 (en) * 2008-04-17 2012-04-11 株式会社オ−ラテック Nanobubble generating method and nanobubble generating apparatus
JP5792533B2 (en) * 2011-07-11 2015-10-14 岩井機械工業株式会社 Gas dissolving apparatus and gas dissolving method
JP6118544B2 (en) * 2012-11-29 2017-04-19 Idec株式会社 Fine bubble generating nozzle and fine bubble generating device
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JP2009195811A (en) * 2008-02-20 2009-09-03 Panasonic Electric Works Co Ltd Water clarification apparatus
JP2009195812A (en) * 2008-02-20 2009-09-03 Panasonic Electric Works Co Ltd Carbonated water manufacturing device
JP2014533201A (en) * 2011-11-10 2014-12-11 ブリスフィールド マニュファクチャリング カンパニー Method and apparatus for increasing gas concentration in a liquid
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JP2016155081A (en) * 2015-02-24 2016-09-01 株式会社テックコーポレーション Fine bubble generator and fine bubble generation method

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