JPH0611118Y2 - Gas-liquid mixing nozzle - Google Patents
Gas-liquid mixing nozzleInfo
- Publication number
- JPH0611118Y2 JPH0611118Y2 JP8779290U JP8779290U JPH0611118Y2 JP H0611118 Y2 JPH0611118 Y2 JP H0611118Y2 JP 8779290 U JP8779290 U JP 8779290U JP 8779290 U JP8779290 U JP 8779290U JP H0611118 Y2 JPH0611118 Y2 JP H0611118Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- liquid
- liquid mixing
- throttle
- cylinder
- 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.)
- Expired - Lifetime
Links
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- Nozzles (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は例えば植物への灌水用水や排水処理設備の曝気
用水等として用いられる溶存酸素濃度の高い水などを製
造するために適した気液混合ノズルに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a gas-liquid suitable for producing, for example, water for irrigating plants or water with high dissolved oxygen concentration used as aeration water for wastewater treatment facilities. It relates to a mixing nozzle.
（従来の技術） 水その他の液体中に、空気や酸素等の気体を大量に混合
させたい場合には、槽内の液体中にスパージャーやノズ
ルから気体を吹き込みながら攪拌を行なう方法（例え
ば、昭和51年３月、丸善株式会社発行の「化学工学便
覧」、第18章「攪拌および混合」P.1088〜1091参照）が
普通である。(Prior Art) When it is desired to mix a large amount of gas such as air or oxygen into water or other liquid, a method of stirring while blowing gas from a sparger or nozzle into the liquid in the tank (for example, March 1976, "Chemical Engineering Handbook" published by Maruzen Co., Ltd., Chapter 18, "Mixing and Mixing" P.1088-1091) is common.
ところがこのような従来の方法により気液混合を行った
場合には、気泡径を十分に細かくすることができず、攪
拌御に短時間に脱気が進行して過飽和の状態を長く保つ
ことができないうえ、設備が大型となる欠点があった。However, when gas-liquid mixing is performed by such a conventional method, the bubble diameter cannot be made sufficiently small, and degassing may proceed in a short time for stirring to maintain a supersaturated state for a long time. In addition to this, there is a drawback that the equipment becomes large.
（考案が解決しようとする課題） 本考案はこのような従来の問題点を解決して、簡単な設
備で液体中に気体をきわめて微細な気泡として混合させ
ることができ、これによって長時間にわたり過飽和の状
態を保たせることができるようにした気液混合ノズルを
提供するために完成されたものである。(Problems to be Solved by the Invention) The present invention solves such conventional problems and allows gas to be mixed as extremely fine bubbles in a liquid with simple equipment, which allows supersaturation for a long time. The present invention has been completed in order to provide a gas-liquid mixing nozzle capable of maintaining the above condition.
（課題を解決するための手段） 上記の課題を解決するためになされた本考案は、後端に
高圧液体を通過させるための絞りを設けたノズル本体の
絞りに続く部分を気体供給口に連通される気液混合室と
し、該気液混合室に通気性多孔体からなる円筒を前記絞
りに続かせて設けたことを特徴とする気液混合ノズル
と、後端に高圧液体を通過させるための絞りを設けたノ
ズル本体の絞りに続く部分を気体供給口に連通される気
液混合室とし、該ノズル本体の前記円筒よりも先端側の
部分に気液混合流に対する障害物を設けたことを特徴と
する気液混合ノズルと、後端に高圧液体を通過させるた
めの絞りを設けたノズル本体の絞りに続く部分を気体供
給口に連通される気液混合室とし、該気液混合室に通気
性多孔体からなる円筒を前記絞りに続かせて設けるとと
もに、ノズル本体の前記円筒よりも先端側の部分に気液
混合流に対する障害物を設けたことを特徴とする気液混
合ノズルを第３の考案とするものである。(Means for Solving the Problems) The present invention, which was made to solve the above problems, has a rear end provided with a throttle for passing high-pressure liquid, and a portion of the nozzle body following the throttle is communicated with a gas supply port. And a gas-liquid mixing chamber, characterized in that a cylinder made of a gas permeable porous body is provided in the gas-liquid mixing chamber following the throttle, and a high-pressure liquid is passed to the rear end. The portion of the nozzle body provided with the throttle is connected to the gas supply port as a portion following the throttle, and an obstacle for the gas-liquid mixed flow is provided at the portion of the nozzle body on the tip side of the cylinder. A gas-liquid mixing chamber characterized in that the gas-liquid mixing chamber is connected to a gas supply port, and a portion of the nozzle body having a throttle for passing high-pressure liquid at the rear end is defined as a gas-liquid mixing chamber. Continue to the diaphragm with a cylinder made of breathable porous material A third aspect of the present invention is a gas-liquid mixing nozzle, characterized in that an obstacle against the gas-liquid mixing flow is provided in a portion of the nozzle body closer to the tip than the cylinder.
（実施例） 以下に本考案を図示の実施例によって更に詳細に説明す
る。(Example) Hereinafter, the present invention will be described in more detail with reference to the illustrated embodiment.
図中、(1)は内径が例えば２０mmのパイプ状のノズル本
体であり、その後端には絞り(2)が設けられており、ノ
ズル本体(1)の左側から供給される高圧水等の高圧液体
を例えば直径５mm程度まで絞り込んでいる。In the figure, (1) is a pipe-shaped nozzle body having an inner diameter of, for example, 20 mm, a throttle (2) is provided at the rear end, and high pressure water such as high-pressure water supplied from the left side of the nozzle body (1). For example, the liquid is squeezed to a diameter of about 5 mm.
ノズル本体(1)のこの絞り(2)に続く部分には、通気性多
孔体からなる円筒(3)を内蔵させた気液混合室(4)が設け
られている。この円筒(3)は例えば平均細孔径が８０μ
のセラミック多孔体からなるもので、その外径は１８m
m、内径６mm、長さ２５mmとされている。そしてこの円
筒(3)の外周とノズル本体(1)の内周との間をノズル本体
(1)の外側に形成された気体供給口(5)から空気、酸素等
の混合気体が供給される混合気体供給室(4a)としてい
る。A gas-liquid mixing chamber (4) containing a cylinder (3) made of a gas permeable porous body is provided in a portion of the nozzle body (1) following the throttle (2). This cylinder (3) has, for example, an average pore diameter of 80μ.
The outer diameter is 18m.
The length is m, the inner diameter is 6 mm, and the length is 25 mm. The nozzle body is placed between the outer circumference of the cylinder (3) and the inner circumference of the nozzle body (1).
The mixed gas supply chamber (4a) is supplied with a mixed gas such as air and oxygen from a gas supply port (5) formed outside the (1).
またノズル本体(1)の円筒(3)よりも先端側の内周面に
は、例えば高さが３mm程度の凹凸(6)を形成するととも
に、その中央部には流れに対する障害物(7)を設置して
ある。この障害物(7)はその内部を通過する液体の流れ
を攪拌するためのものであり、例えば網や格子のような
ものが使用される。実施例では目開きが１mmの金網が用
いられている。Further, the inner peripheral surface of the nozzle body (1) closer to the tip than the cylinder (3) is formed with an unevenness (6) having a height of, for example, about 3 mm, and an obstacle (7) against the flow is formed in the center thereof. Is installed. The obstacle (7) is for agitating the flow of the liquid passing through the inside thereof, and for example, a mesh or a lattice is used. In the embodiment, a wire mesh with an opening of 1 mm is used.
（作用） このように構成された本考案の気液混合ノズルは、ノズ
ル本体(1)の後端から高圧水のような高圧液体を供給す
ると、高圧液体は絞り(2)によって円筒(3)の内径よりも
細く絞られながら円筒(3)の内部を高速で通過し、液体
流と円筒(3)との間に負圧を生ずる。このようにして生
ずる負圧に吸引されて気液混合室(4)に達した液体流は
気体供給口(5)から円筒(3)の外周の混合気体供給室(4a)
を経て供給される混合気体が混合されるが、本考案では
円筒(3)が通気性多孔体により構成されているので、混
合気体は細かい気泡となって液体流中に混合され、気液
混合流となる。(Operation) In the gas-liquid mixing nozzle of the present invention configured as described above, when the high pressure liquid such as high pressure water is supplied from the rear end of the nozzle body (1), the high pressure liquid is squeezed by the throttle (2) into the cylinder (3). While passing through the inside of the cylinder (3) at a high speed while being narrowed to be smaller than the inner diameter of the cylinder, a negative pressure is generated between the liquid flow and the cylinder (3). The liquid flow that is sucked by the negative pressure generated in this way and reaches the gas-liquid mixing chamber (4) flows from the gas supply port (5) to the mixed gas supply chamber (4a) on the outer periphery of the cylinder (3).
Although the mixed gas supplied via the above is mixed, in the present invention, since the cylinder (3) is made of a gas permeable porous body, the mixed gas becomes fine bubbles and is mixed in the liquid flow, and the gas-liquid mixture is mixed. It becomes a flow.
しかも本考案ではノズル本体(1)の円筒(3)よりも先端側
の部分に流れに対する障害物(7)を設けてあるので、円
筒(3)の部分で形成された気液混合流はこの障害物(7)の
内部を高速で通過する際に強い攪拌作用を受け、気液混
合液中の気泡はより一層微細化されることとなる。な
お、実施例のようにノズル本体(1)の円筒(3)よりも先端
側の内周面に凹凸(6)を形成しておけばこの部分におい
ても優れた攪拌効果を得ることができる。Moreover, in the present invention, since the obstacle (7) against the flow is provided in the part of the nozzle body (1) closer to the tip than the cylinder (3), the gas-liquid mixed flow formed in the part of the cylinder (3) is When passing through the inside of the obstacle (7) at a high speed, it is subjected to a strong stirring action, and the bubbles in the gas-liquid mixture are further miniaturized. In addition, as in the embodiment, if the unevenness (6) is formed on the inner peripheral surface of the nozzle body (1) on the tip side of the cylinder (3), an excellent stirring effect can be obtained also in this portion.
このようにして本考案の気液混合ノズルによれば、混合
したい気体がきわめて細かい気泡として混合された気液
混合液を容易に得ることができ、そのまま植物への灌水
用水や排水処理設備の曝気用水等として用いることがで
きる。In this way, according to the gas-liquid mixing nozzle of the present invention, a gas-liquid mixed liquid in which the gas to be mixed is mixed as extremely fine bubbles can be easily obtained, and the water for irrigating the plants and the aeration of the wastewater treatment facility can be directly used. It can be used as water.
なお、前記実施例は後端に高圧液体を通過させるための
絞り(2)を設けたノズル本体(1)の絞り(2)に続く部分を
気体供給口(5)に連通される気液混合室(4)とし、該気液
混合室(4)に通気性多孔体からなる円筒(3)を前記絞り
(2)に続かせて設けるとともに、ノズル本体(1)の前記円
筒(3)よりも先端側の部分に気液混合流に対する障害物
(7)を設けた場合についてのみであるが、後端に高圧液
体を通過させるための絞り(2)を設けたノズル本体(1)の
絞り(2)に続く部分を気体供給口(5)に連通される気液混
合室(4)とした気液混合ノズルであれば、気液混合室(4)
に通気性多孔体からなる円筒(3)を前記絞り(2)に続かせ
て設けただけの第１項記載のものであっても、或いはノ
ズル本体(1)の前記円筒(3)よりも先端側の部分に気液混
合流に対する障害物(7)を設けただけの第２項記載のも
のであっても程度の差はあれ所期の目的を達成できる。In the above embodiment, the nozzle body (1) provided with a throttle (2) for passing a high-pressure liquid at the rear end is connected to the gas supply port (5) at the portion following the throttle (2). A chamber (4), and the gas-liquid mixing chamber (4) is provided with a cylinder (3) made of a gas permeable porous body as described above.
(2) It is installed following, and an obstacle to the gas-liquid mixed flow in the part of the nozzle body (1) on the tip side of the cylinder (3).
Only in the case of providing (7), the part following the restrictor (2) of the nozzle body (1) provided with a restrictor (2) for passing high pressure liquid at the rear end is the gas supply port (5). If the gas-liquid mixing nozzle is a gas-liquid mixing chamber (4) that communicates with the gas-liquid mixing chamber (4)
Even if the cylinder (3) made of a gas permeable porous body is provided only following the aperture (2), or even more than the cylinder (3) of the nozzle body (1). Even in the case where the obstacle (7) against the gas-liquid mixed flow is simply provided at the tip end side portion, the intended purpose can be achieved to some extent with a difference in degree.
（考案の効果） 以上に説明したように、本考案の気液混合ノズルは簡単
な構造でありながら、高圧液を供給するだけで微細な気
泡を含んだ気液混合液を容易に得ることができ、特に、
この気液混合液は過飽和の気体を極めて微細な気泡とし
て多量に内包しているので長時間にわたり脱気されにく
く、例えば液体として水を使用し、気体として空気を使
用することにより、溶存酸素濃度の高い水を容易かつ経
済的に製造することができる。(Effects of the Invention) As described above, the gas-liquid mixing nozzle of the present invention has a simple structure, but it is possible to easily obtain a gas-liquid mixed liquid containing fine bubbles only by supplying high-pressure liquid. Yes, especially
Since this gas-liquid mixture contains a large amount of supersaturated gas as extremely fine bubbles, it is difficult to degas for a long time.For example, by using water as the liquid and air as the gas, the dissolved oxygen concentration High water can be produced easily and economically.
よって本考案は従来の問題点を解消した気液混合ノズル
として、その実用的価値は極めて大きいものである。Therefore, the present invention has an extremely great practical value as a gas-liquid mixing nozzle that solves the conventional problems.
【図面の簡単な説明】 図面は本考案の実施例を示す断面図である。 (1)：ノズル本体、(2)：絞り、(3)：円筒、(4)：気液混
合室、(5)：気体供給口、(7)：障害物。BRIEF DESCRIPTION OF THE DRAWINGS The drawings are sectional views showing embodiments of the present invention. (1): nozzle body, (2): throttle, (3): cylinder, (4): gas-liquid mixing chamber, (5): gas supply port, (7): obstacle.
Claims (3)
(2)を設けたノズル本体(1)の絞り(2)に続く部分を気体
供給口(5)に連通される気液混合室(4)とし、該気液混合
室(4)に通気性多孔体からなる円筒(3)を前記絞り(2)に
続かせて設けたことを特徴とする気液混合ノズル。1. A throttle for passing high-pressure liquid at its rear end.
A part of the nozzle body (1) provided with (2) following the throttle (2) is used as a gas-liquid mixing chamber (4) communicating with the gas supply port (5), and the gas-liquid mixing chamber (4) is gas permeable. A gas-liquid mixing nozzle, characterized in that a cylinder (3) made of a porous body is provided following the aperture (2).
(2)を設けたノズル本体(1)の絞り(2)に続く部分を気体
供給口(5)に連通される気液混合室(4)とし、該ノズル本
体(1)の前記円筒(3)よりも先端側の部分に気液混合流に
対する障害物(7)を設けたことを特徴とする気液混合ノ
ズル。2. A throttle for passing a high-pressure liquid at its rear end.
A portion of the nozzle body (1) provided with (2) following the throttle (2) is used as a gas-liquid mixing chamber (4) communicating with the gas supply port (5), and the cylinder (3) of the nozzle body (1) is (1) is provided with an obstacle (7) against the gas-liquid mixed flow at the tip side of the gas-liquid mixed nozzle.
(2)を設けたノズル本体(1)の絞り(2)に続く部分を気体
供給口(5)に連通される気液混合室(4)とし、該気液混合
室(4)に通気性多孔体からなる円筒(3)を前記絞り(2)に
続かせて設けるとともに、ノズル本体(1)の前記円筒(3)
よりも先端側の部分に気液混合流に対する障害物(7)を
設けたことを特徴とする気液混合ノズル。3. A throttle for passing high-pressure liquid at its rear end.
A part of the nozzle body (1) provided with (2) following the throttle (2) is used as a gas-liquid mixing chamber (4) communicating with the gas supply port (5), and the gas-liquid mixing chamber (4) is gas permeable. A cylinder (3) made of a porous body is provided following the throttle (2), and the cylinder (3) of the nozzle body (1) is provided.
A gas-liquid mixing nozzle, characterized in that an obstacle (7) against the gas-liquid mixed flow is provided in a portion closer to the tip side than the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8779290U JPH0611118Y2 (en) | 1990-08-21 | 1990-08-21 | Gas-liquid mixing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8779290U JPH0611118Y2 (en) | 1990-08-21 | 1990-08-21 | Gas-liquid mixing nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0445552U JPH0445552U (en) | 1992-04-17 |
| JPH0611118Y2 true JPH0611118Y2 (en) | 1994-03-23 |
Family
ID=31820469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8779290U Expired - Lifetime JPH0611118Y2 (en) | 1990-08-21 | 1990-08-21 | Gas-liquid mixing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611118Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021118994A (en) * | 2020-01-30 | 2021-08-12 | 日本タングステン株式会社 | Microbubble generator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4002439B2 (en) * | 1999-11-15 | 2007-10-31 | 株式会社オ−ラテック | Microbubble generating nozzle and its application device |
| JP4553115B2 (en) * | 2004-06-22 | 2010-09-29 | いすゞ自動車株式会社 | Mist generator |
| JP5103625B2 (en) * | 2006-12-19 | 2012-12-19 | 国立大学法人 熊本大学 | Fluid mixer and fluid mixing method |
| JP6197179B2 (en) * | 2013-12-06 | 2017-09-20 | パナソニックＩｐマネジメント株式会社 | Bath adapter and water heater |
-
1990
- 1990-08-21 JP JP8779290U patent/JPH0611118Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021118994A (en) * | 2020-01-30 | 2021-08-12 | 日本タングステン株式会社 | Microbubble generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445552U (en) | 1992-04-17 |
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