JP5115929B2 - Liquid material processing equipment - Google Patents
Liquid material processing equipment Download PDFInfo
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- JP5115929B2 JP5115929B2 JP2008185373A JP2008185373A JP5115929B2 JP 5115929 B2 JP5115929 B2 JP 5115929B2 JP 2008185373 A JP2008185373 A JP 2008185373A JP 2008185373 A JP2008185373 A JP 2008185373A JP 5115929 B2 JP5115929 B2 JP 5115929B2
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Description
本発明は、油水エマルジョンの製造、飲料液や医薬・化粧品の加工、廃水処理などの各種プロセスにおいて、液状物質の微粒化・安定エマルジョン化・均質化・滅菌などを目的とする液状物質の処理装置に係わる。 The present invention relates to an apparatus for treating a liquid substance for the purpose of atomization, stable emulsion formation, homogenization, sterilization, etc. of the liquid substance in various processes such as production of oil-water emulsions, processing of beverages and pharmaceuticals / cosmetics, and wastewater treatment. Related to.
近年油水エマルジョンの優れた燃焼性能が注目され、長時間安定したエマルジョンを維持するために界面活性剤の添加や撹拌操作に加えて超音波の強い分散乳化作用を利用する目的で20kHz程度の低周波数領域の超音波が照射される(例えば、特許文献1参照)。また、有機廃水のメタン化前処理においても汚泥粒子の可溶化目的で超音波の破砕作用を利用するなど、液状物質の処理では多分野で低周波数領域の超音波が利用されている。 In recent years, the excellent combustion performance of oil-water emulsions has attracted attention. In order to maintain a stable emulsion for a long time, in addition to the addition of a surfactant and a stirring operation, a low frequency of about 20 kHz is used for the purpose of utilizing a strong ultrasonic dispersion action. The region is irradiated with ultrasonic waves (see, for example, Patent Document 1). In addition, in the pretreatment of organic wastewater for methanation, ultrasonic waves in a low frequency region are used in many fields in the treatment of liquid substances, such as utilizing the crushing action of ultrasonic waves for the purpose of solubilizing sludge particles.
超音波発振法としては圧電型や磁歪型のほかに、ハルトマン法として知られている噴気式がある(例えば、非特許文献1、及び2参照)。この方法は共鳴空洞に高速気流を噴気して発振させる方法で、空洞の直径をd,深さをL,媒体の音速をVとすると近似的に周波数N≒V/4(L+0.3d)の音波が発振される現象に基づくもので、構造簡単で取り扱い容易であるが、超音波を得るためにはL及びdを小さくする必要があり、小型で低周波数領域の超音波発振に利用される。 As the ultrasonic oscillation method, there is a fusible type known as the Hartmann method in addition to the piezoelectric type and the magnetostrictive type (for example, see Non-Patent Documents 1 and 2). This method oscillates by jetting a high-speed air current into the resonance cavity. When the cavity diameter is d, the depth is L, and the sound velocity of the medium is V, the frequency is approximately N≈V / 4 (L + 0.3d). It is based on the phenomenon that sound waves are oscillated, and its structure is simple and easy to handle. However, in order to obtain ultrasonic waves, it is necessary to reduce L and d, and it is used for ultrasonic generation in a small and low frequency region .
一方、液状物質のエマルジョン化・均質化・滅菌などを目的として、周知の水蒸気エゼクターによって発生する超音速の衝撃波を利用する方法がある(例えば、特許文献2参照)。この方法は比較的構造が簡便で運転も容易であるが、機械的効率が低いので、駆動エネルギー(水蒸気使用量)を可及的に少なくする設計的配慮が必要とされる。(例えば、非特許文献3) On the other hand, there is a method using a supersonic shock wave generated by a known water vapor ejector for the purpose of emulsifying, homogenizing and sterilizing a liquid substance (see, for example, Patent Document 2). This method has a relatively simple structure and is easy to operate. However, since the mechanical efficiency is low, design consideration is required to reduce the drive energy (water vapor consumption) as much as possible. (For example, Non-Patent Document 3)
以上の背景に鑑み本発明は、液状物質の微粒化・安定エマルジョン化・均質化・滅菌などを目的とし、可及的に簡単な構成で、水蒸気量などの駆動エネルギーが少なく且つ効果的な処理方法及び装置の創出を課題としている。 In view of the above background, the present invention aims at atomization, stable emulsion formation, homogenization, sterilization, etc. of a liquid substance, has an as simple structure as possible, has a low driving energy such as an amount of water vapor, and is an effective treatment. The creation of methods and devices is an issue.
上記課題を解決するために、本発明は前記の噴気式超音波発振法とエゼクター法がいずれも駆動源として同一の高圧ガス(水蒸気)を使用することに着目したもので、両法を一体化して、超音波とエゼクターの同時相乗効果により性能を向上せしめると共に、高圧ガスを両者に併用することにより省エネルギー化も図るものである。 In order to solve the above-described problems, the present invention focuses on the fact that both the above-described fumarating ultrasonic oscillation method and ejector method use the same high-pressure gas (water vapor) as a driving source. Thus, the performance is improved by the simultaneous synergistic effect of the ultrasonic wave and the ejector, and energy saving is also achieved by using a high-pressure gas in both.
また、請求項1に記載の発明は、一端に反射鏡を有する円環室内に高圧ガス噴射口と共鳴空洞とを放射状に多数対峙させて超音波を発振せしめると共に、該円環室の他端を収縮円錐環を介して収縮・拡大ノズル(ラバールノズル)に連結してエゼクターを構築することにより液状物質を吸引・混合せしめて、液状物質に超音波とエゼクターの両効果を同時相乗的に作用せしめることを特徴とする、液状物質の処理装置である。 The invention according to claim 1 oscillates ultrasonic waves by causing a large number of high-pressure gas injection ports and resonance cavities to confront each other radially in an annular chamber having a reflecting mirror at one end, and the other end of the annular chamber. By connecting an ejector to a contraction / expansion nozzle (Laval nozzle) through a contraction conical ring, a liquid substance is sucked and mixed, and both the effects of ultrasound and ejector are made to act simultaneously and synergistically on the liquid substance. This is a liquid material processing apparatus.
請求項1に記載の発明によれば、超音波発振装置とエゼクターとが一体化されてコンパクトな構成となるのみならず、前記のように両者の駆動には同一の高圧ガスを共通利用できるので、少ない高圧ガス使用量により超音波とエゼクターの効果を同時相乗的に発揮する装置を構築できる効果がある。 According to the first aspect of the present invention, not only the ultrasonic oscillation device and the ejector are integrated into a compact configuration, but also the same high-pressure gas can be commonly used for driving both as described above. There is an effect that it is possible to construct a device that simultaneously and synergistically exhibits the effects of ultrasonic waves and ejectors with a small amount of high-pressure gas used.
以下、本発明の実施の形態を図に基づいて説明する。図1は本発明の実施例の断面図、図2は図1のA部詳細図、図3は、図1のPP断面図、をそれぞれ示す。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a cross-sectional view of an embodiment of the present invention, FIG. 2 is a detailed view of a portion A in FIG. 1, and FIG. 3 is a cross-sectional view of PP in FIG.
図において、圧縮空気や水蒸気などの高圧ガス1は高圧ガス入口2より円筒状の高圧ガス室3に供給され、高圧ガス室3を形成する内筒4には噴気孔5を有する噴気ノズル6を放射状に多数(図示例では8ヶ)固定すると共に、内筒4と嵌合する外筒7には共鳴空洞8を有する共鳴器9を噴気孔5と同一中心線上に対峙して固定する。内筒4の外面と外筒7の内面とで構成される円環室10の一端には反射鏡11を設け、他端を収縮円錐環12と結合せしめ該収縮円錐環12の末端には収縮・拡大ノズル(ラバールノズル)13を構築する。反射鏡11は、発振した超音波を的確に反射させるために、噴気ノズル先端6’と共鳴空洞の距離Xの約1/2の中心点を焦点とする放物線の回転体で構築するとよい。収縮・拡大ノズル13の出口には原液入口14と連通する液室15を設けると共に、収縮・拡大ノズル13の出口に対峙して収縮管16と咽喉管17とで構成される混合ノズル18を設け、更にこれに連ねて拡大ノズル19と処理液出口20を設けることによって周知のようなエゼクターを構築せしめる。図中、21は原液、22は処理液を示す。 In the figure, a high-pressure gas 1 such as compressed air or water vapor is supplied to a cylindrical high-
以上の構成により、以下高圧ガスとして水蒸気を用いた場合について作用を説明する。高圧ガス室3に供給された水蒸気は噴気孔5から共鳴空洞8に噴射され,共鳴空洞8の直径d=4mm,深さL=4mmとして水蒸気中の音速V≒400m/秒とすると、発振音波の周波数N≒V/4(L+0.3d)≒20kHzとなり、液状物質処理に適した低周波数領域の超音波が発振される。この超音波は円環室10から収縮円錐環12を経て集約されて高密度となり、収縮・拡大ノズル13に達して水蒸気流と共に進行する。 With the above configuration, the operation will be described below when steam is used as the high-pressure gas. The water vapor supplied to the high-
収縮・拡大ノズル13から噴出する高速水蒸気流で発生する真空作用で、原液入口14から液室15に供給される原液21を吸引し、気液混合すると同時に水蒸気の急速な凝縮によって衝撃波を生じるので、収縮管16と咽喉管17とで構成される混合ノズル18内において強力な衝撃混合が行なわれ、その後に拡大ノズル19で静圧を回復して処理液出口20から排出される。このような周知の水蒸気エゼクター効果に加えて、本法では前記のように収縮円錐環12で集約された高密度の超音波が混合ノズル18に達して超音波の強い粒子破砕作用と分散乳化作用が付加されるので、従来のエゼクター処理に比して、より強力な微粒化・安定エマルジョン化・均質化・滅菌などの処理が可能になる。 The vacuum action generated by the high-speed steam flow ejected from the contraction /
上記のうち、使用される水蒸気は飽和水蒸気でもよいが、噴気孔5から噴気された際の温度低下により水蒸気の一部が凝縮して後段のエゼクター作用に支障をきたすおそれがあるので、これを防ぐために過熱水蒸気を使用するとよい。また上記では、エゼクターへの原液入口14は1箇所としているが、特許文献2などに示されているように原液を複数個所から供給する方式を採用することもできることは勿論である。 Of the above, the water vapor used may be saturated water vapor, but this may cause a part of the water vapor to condense due to a decrease in temperature when blown from the
1 高圧ガス
2 高圧ガス入口
3 高圧ガス室
4 内筒
5 噴気孔
6 噴気ノズル
6’ 噴気ノズル先端
7 外筒
8 共鳴空洞
9 共鳴器
10 円環室
11 反射鏡
12 収縮円錐環
13 収縮・拡大ノズル(ラバールノズル)
14 原液入口
15 液室
16 収縮管
17 咽喉管
18 混合ノズル
19 拡大ノズル
20 処理液出口
21 原液
22 処理液DESCRIPTION OF SYMBOLS 1 High pressure gas 2 High
14 Stock solution inlet 15 Liquid chamber 16
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JP2008185373A JP5115929B2 (en) | 2008-06-20 | 2008-06-20 | Liquid material processing equipment |
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JP5115929B2 true JP5115929B2 (en) | 2013-01-09 |
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US10711807B2 (en) | 2010-06-29 | 2020-07-14 | Coldharbour Marine Limited | Gas lift pump apparatus with ultrasonic energy generator and method |
CN102059070B (en) * | 2010-12-02 | 2013-02-27 | 广州市新栋力超声电子设备有限公司 | Hydraulic/ultrasonic coupling cavitation device |
GB2497954A (en) | 2011-12-22 | 2013-07-03 | Coldharbour Marine Ltd | Gas lift pump with a sonic generator |
TW201420203A (en) * | 2012-11-23 | 2014-06-01 | Prec Machinery Res & Dev Ct | Annular material feed guiding device |
US10765988B2 (en) | 2013-10-14 | 2020-09-08 | Coldharbour Marine Limited | Apparatus and method for treating gas in a liquid medium with ultrasonic energy for chemical reaction |
RU2619783C1 (en) * | 2016-05-04 | 2017-05-18 | Станислав Александрович Галактионов | Acoustic mixer |
CN106195347B (en) * | 2016-07-11 | 2018-12-04 | 常州大学 | A kind of anti-icing stifled automatic fluid injection throttle valve equipped with liquid storage device |
RU2618828C1 (en) * | 2016-08-15 | 2017-05-11 | Станислав Александрович Галактионов | Acoustic mixer nozzle |
RU187218U1 (en) * | 2018-12-10 | 2019-02-25 | Станислав Александрович Галактионов | HYDROCARBON LIQUID TREATMENT DEVICE |
CN110052340B (en) * | 2019-04-01 | 2024-03-19 | 江苏大学 | Multistage ultrasonic atomization spraying device |
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JPS545103A (en) * | 1977-06-14 | 1979-01-16 | Tokuyama Soda Kk | Method of improving performance of steam ejector |
SE8500276D0 (en) * | 1985-01-22 | 1985-01-22 | Asea Stal Ab | METHOD OF MIXING FLUIDS AND APPARATUS FOR WORKING THE METHOD |
JPS63218274A (en) * | 1987-03-06 | 1988-09-12 | Toa Nenryo Kogyo Kk | Liquid atomizer |
JPS63218273A (en) * | 1987-03-06 | 1988-09-12 | Toa Nenryo Kogyo Kk | Liquid atomizer |
JPS6438160A (en) * | 1987-08-05 | 1989-02-08 | Toa Nenryo Kogyo Kk | Ultrasonic composite atomizer |
JP2009022941A (en) * | 2007-07-20 | 2009-02-05 | Chuo Kiko Kk | Air-blowing-type ultrasonic irradiation apparatus and system for treating liquid material |
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