JPH0239301B2 - - Google Patents
Info
- Publication number
- JPH0239301B2 JPH0239301B2 JP57216724A JP21672482A JPH0239301B2 JP H0239301 B2 JPH0239301 B2 JP H0239301B2 JP 57216724 A JP57216724 A JP 57216724A JP 21672482 A JP21672482 A JP 21672482A JP H0239301 B2 JPH0239301 B2 JP H0239301B2
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- pressure fluid
- liquid
- tank
- discharge pipe
- 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
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
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
-
- 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
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
- B01F23/23364—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements
- B01F23/233642—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements at the stirrer elements
-
- 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
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
- B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
-
- 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
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
- B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
-
- 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
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
- B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
- B01F25/2122—Rotating during jetting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3203—Gas driven
-
- 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
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/32015—Flow driven
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
【発明の詳細な説明】
この発明は、液体と、他の気体、液体もしくは
固体とを混合する装置に関し、特に、タンク内に
回転可能な二重管構造のノズル装置を設け、液ジ
エツトを噴射してタンク内液を撹拌し効果的に混
合する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for mixing a liquid with another gas, liquid, or solid, and in particular, a nozzle apparatus having a rotatable double pipe structure is provided in a tank to inject a liquid jet. to effectively mix the liquid in the tank.
一般に、廃水処理、し尿処理、その他工場等の
各種プロセスにおいて、液体混混合や曝気は、広
く行なわれている。 In general, liquid mixing and aeration are widely practiced in various processes such as wastewater treatment, human waste treatment, and other factories.
従来、このような混合や曝気の方法としては、
羽根などの回転、液中ポンプの噴流、単一流の液
ジエツト用ノズルの噴流等が用いられていた。第
１図は、従来の単一流の液ジエツト用ノズルを好
気性生物処理を行なうし尿処理装置の曝気タンク
に設けた場合の構成を示しており、曝気タンク１
に設けた循環路２の吸引管３と吐出管４との間に
ポンプ５を設けて、曝気タンク１内の処理液の一
部を強制的に循環させている。 Conventionally, such methods of mixing and aeration include:
Rotating blades, jet flow from a submerged pump, jet flow from a single-flow liquid jet nozzle, etc. were used. Figure 1 shows the configuration when a conventional single-flow liquid jet nozzle is installed in the aeration tank of a human waste treatment equipment that performs aerobic biological treatment.
A pump 5 is provided between the suction pipe 3 and the discharge pipe 4 of the circulation path 2 provided in the aeration tank 1 to forcibly circulate a portion of the processing liquid in the aeration tank 1.
この循環路２の吐出管３の途中には、曝気ブロ
ア６に接続されたインジエクタ７を設けて処理液
中に空気を圧入し、吐出管３の先端に設けた単一
流の液ジエツト用ノズル８から、処理液を噴流と
して曝気タンク１内に噴射吐出する。しかしなが
ら、この場合、曝気タンク１内では、ポンプ５の
吐出量で生ずる矢印Ａで示すような流れにより混
合が行なわれるだけであり、曝気タンク１の容積
が大きいときには、多列に設置しなければ十分な
混合効果が得られなかつた。羽根の回転や液中ポ
ンプの噴流による場合には、混合効果は、更に悪
い状態であつた。 An injector 7 connected to an aeration blower 6 is installed in the middle of the discharge pipe 3 of this circulation path 2 to pressurize air into the processing liquid, and a single flow liquid jet nozzle 8 is provided at the tip of the discharge pipe 3. From there, the treatment liquid is injected into the aeration tank 1 as a jet stream. However, in this case, mixing is only carried out in the aeration tank 1 by the flow shown by arrow A caused by the discharge amount of the pump 5, and when the volume of the aeration tank 1 is large, it must be installed in multiple rows. A sufficient mixing effect could not be obtained. The mixing effect was even worse when the rotation of blades or the jet of a submersible pump was used.
この発明は、液体混合装置におけるかかる問題
を解決するものである。 This invention solves this problem in liquid mixing devices.
而して、この発明の目的は、ノズル装置の吐出
量を増加させる液体混合装置を提供するにあり、
また、この発明の目的は、ノズル装置の回転によ
る渦状撹拌により混合効果を向上させる液体混合
装置を提供するにある。 Therefore, an object of the present invention is to provide a liquid mixing device that increases the discharge amount of a nozzle device.
Another object of the present invention is to provide a liquid mixing device that improves the mixing effect through vortex stirring caused by the rotation of a nozzle device.
すなわち、この発明は、図示する実施例の如
く、タンク１内に高圧流体吐出管１４を配設し、
該高圧流体吐出管１４に設けた回転軸２１に、内
管ノズル２０と外管ノズル１９とでなる二重管構
造のノズル装置１８を回転可能に軸承して、該ノ
ズル装置１８の内管ノズル２０には、高圧流体吐
出管１４を接続し、外管ノズル１９には、タンク
１１内の流体を吸込むための吸込口２２を設けて
なる液体混合装置に係る。 That is, in the present invention, as in the illustrated embodiment, a high-pressure fluid discharge pipe 14 is disposed within the tank 1,
A nozzle device 18 having a double tube structure consisting of an inner tube nozzle 20 and an outer tube nozzle 19 is rotatably supported on a rotation shaft 21 provided in the high-pressure fluid discharge pipe 14, and the inner tube nozzle of the nozzle device 18 is rotatably supported. 20 is connected to a high-pressure fluid discharge pipe 14, and the outer pipe nozzle 19 is provided with a suction port 22 for sucking fluid in the tank 11.
以下、図示する実施例を参照して、この発明を
説明する。 The present invention will be described below with reference to illustrated embodiments.
第２図は、この発明の一実施例である液体混合
装置を好気性生物処理を行なうし尿処理装置の曝
気タンクに使用した場合の構成を示している。こ
こで曝気タンク１１には、循環路１２が設けられ
ており、この循環路１２は、曝気タンク１１内の
処理液を吸引する吸引管１３と、曝気タンク１１
内に高圧流体を吐出する高圧流体吐出管１４とで
構成され、吸引管１３と高圧流体吐出管１４との
間には、ポンプ１５が設けられている。さらに、
高圧流体吐出管１４の途中には、空気を圧入する
インジエクタ１７を設けて、これを曝気ブロア１
６と接続している。高圧流体吐出管１４は、その
吐出側が曝気タンク１１内に配設されており、先
端部にノズル装置１８が取付けられている。 FIG. 2 shows a configuration in which a liquid mixing device according to an embodiment of the present invention is used in an aeration tank of a human waste treatment device that performs aerobic biological treatment. Here, the aeration tank 11 is provided with a circulation path 12, and this circulation path 12 includes a suction pipe 13 that sucks the processing liquid in the aeration tank 11, and a
A pump 15 is provided between the suction pipe 13 and the high-pressure fluid discharge pipe 14. moreover,
An injector 17 for pressurizing air is provided in the middle of the high-pressure fluid discharge pipe 14, and the injector 17 is connected to the aeration blower 1.
It is connected to 6. The high-pressure fluid discharge pipe 14 has its discharge side disposed within the aeration tank 11, and has a nozzle device 18 attached to its tip.
第３図は、ノズル装置１８の取付部の取付部の
構成を示す縦断面、第４図、第５図は、ノズル装
置１８の平面図である。このノズル装置１８は、
二重管構造であり、外管ノズル１９の内側に内管
ノズル２０が一体に形成されていて、高圧流体吐
出管１４に垂直に設けられた回転軸２１に、回転
可能に軸承されている。外管ノズル１９には、タ
ンク内の処理液を吸込むための吸込口２２を回転
軸２１の上部に設けており、この吸込口２２に
は、案内羽根２３が取付けられている。一方、内
管ノズル２０には、高圧流体吐出管１４の先端が
接続されている。２４は、回転軸２１を取付ける
ボス、２５は、軸封装置である。 FIG. 3 is a longitudinal section showing the structure of the mounting portion of the nozzle device 18, and FIGS. 4 and 5 are plan views of the nozzle device 18. This nozzle device 18 is
It has a double tube structure, and an inner tube nozzle 20 is integrally formed inside an outer tube nozzle 19, and is rotatably supported on a rotating shaft 21 provided perpendicularly to the high-pressure fluid discharge tube 14. The outer tube nozzle 19 is provided with a suction port 22 above the rotating shaft 21 for sucking the processing liquid in the tank, and a guide vane 23 is attached to the suction port 22 . On the other hand, the tip of the high-pressure fluid discharge pipe 14 is connected to the inner pipe nozzle 20 . 24 is a boss to which the rotating shaft 21 is attached, and 25 is a shaft sealing device.
また、この実施例では、ノズル装置１８の噴射
軸線Ｘ−Ｘが回転軸２１に対して、距離Ｒだけ偏
位するように設けられている。 Further, in this embodiment, the jetting axis XX of the nozzle device 18 is provided so as to be offset by a distance R with respect to the rotating shaft 21.
このし尿処理装置では、ポンプ１５によつて、
曝気タンク１１内のの処理液の一部を吸引し、強
制的に循環路１２を循環させ、途中のインジエク
タ１７から空気を圧入して再び曝気タンク１１に
吐出するが、このとき、ノズル装置１８の内管ノ
ズル２０の先端からは、処理液に空気が混入され
た高圧流体がジエツト噴流となつて噴射される。
すると、外管ノズル１９の先端付近は、内管ノズ
ル２０のジエツト噴流によつて負圧となり、吸込
口２２から、曝気タンク内の処理水を吸込んで、
内管ノズル２０からの高圧流体と共に、外管ノズ
ル１９の先端から曝気タンク１１内に吐出する。 In this human waste processing device, the pump 15
A part of the treatment liquid in the aeration tank 11 is sucked, forced to circulate through the circulation path 12, and air is pressurized from the injector 17 midway and discharged into the aeration tank 11 again. At this time, the nozzle device 18 From the tip of the inner tube nozzle 20, high-pressure fluid containing air mixed into the processing liquid is injected as a jet jet.
Then, the vicinity of the tip of the outer tube nozzle 19 becomes negative pressure due to the jet stream from the inner tube nozzle 20, and the treated water in the aeration tank is sucked in from the suction port 22.
Together with the high pressure fluid from the inner tube nozzle 20, it is discharged into the aeration tank 11 from the tip of the outer tube nozzle 19.
従つて、曝気タンク１１内では、第２図の矢印
Ｂに示すような流れを生ずる。 Therefore, within the aeration tank 11, a flow as shown by arrow B in FIG. 2 occurs.
また、ノズル装置１８は、回転軸２１に回転可
能に軸承されており、噴射軸線Ｘ−Ｘが回転軸２
１に対して偏位しているところから、高圧流体の
噴射エネルギーにより回転トルクが発生し、第４
図矢印Ｃの方向に回転する。このときの回転トル
クＴは次式で表される。 Further, the nozzle device 18 is rotatably supported on a rotating shaft 21, and the injection axis XX is aligned with the rotating shaft 21.
Rotational torque is generated due to the injection energy of the high-pressure fluid from the point where it is deviated from the fourth point.
Rotate in the direction of arrow C in the figure. The rotational torque T at this time is expressed by the following equation.
Ｔ＝Ｎ（ρV2／2g−Ｈ）Ｒ−（TR＋TH）
ここで、
ρ：液比重、
Ｖ：液ジエツト用の噴出速度
ｇ：重力加速度、
Ｈ：ノズルの設置深度
TR：ノズル装置の摩擦抵抗によるトルク
TH：ノズル装置の液中の流体抵抗によるトルク
Ｒ：ノズルの偏位量
Ｎ：ノズルの数
この回転によつて、曝気タンク１１内には、第
５図の矢印Ｄ方向の旋回流を生じ、案内羽根２３
が外管ノズル１９の吸込量を増加させる。なお、
ノズルを偏位させず、回転はモータ等を設けて行
つてもよい。 T=N(ρV 2 /2g-H)R-(T R +T H ) Where, ρ: Liquid specific gravity, V: Jet velocity for liquid jet g: Gravitational acceleration, H: Nozzle installation depth T R : Nozzle Torque due to frictional resistance of the device T H : Torque due to fluid resistance in the liquid of the nozzle device R: Nozzle deflection amount N: Number of nozzles Due to this rotation, the inside of the aeration tank 11 is A swirling flow is generated in the direction, and the guide vane 23
increases the suction amount of the outer tube nozzle 19. In addition,
The rotation may be performed by providing a motor or the like without causing the nozzle to deviate.
このように、この発明の液体混合装置は、ノズ
ル装置１８からの噴射流量を増加させ、垂直方向
と水平方向との回転の複合渦流により、処理液を
強力に撹拌するため、タンク内の液体の混合や曝
気効果を向上させることができる。 As described above, the liquid mixing device of the present invention increases the injection flow rate from the nozzle device 18 and strongly stirs the processing liquid by the combined vortex of rotation in the vertical and horizontal directions. Mixing and aeration effects can be improved.
特に、し尿処理の曝気タンクに使用した場合、
混合と曝気の循環効率が増大し、し尿中への酸素
溶解速度と、好気性微生物による吸収速度とが大
となつて、し尿の生物学的処理が短時間内に効率
よくなし得ると共に、処理施設の規模の縮少を可
能にする。なお、タンクの容量や混合パターンな
どによつては、ノズル装置を多設したり逆向きに
設置してもよい。 Especially when used in an aeration tank for human waste treatment,
The circulation efficiency of mixing and aeration increases, and the rate of oxygen dissolution into human waste and the rate of absorption by aerobic microorganisms increases, making it possible to biologically treat human waste in a short time and efficiently. Enables reduction in facility size. Note that, depending on the capacity of the tank, the mixing pattern, etc., multiple nozzle devices may be installed or may be installed in opposite directions.
第１図は、従来の単一流の液ジエツト用ノズル
を、し尿処理装置の曝気タンクに設けた場合の構
成を示す図、第２図は、本発明の一実施例である
液体混合装置を、し尿処理装置の曝気タンクに使
用した場合の構成を示す図、第３図は、ノズル装
置の取付部の構成を示す縦断面図、第４図、第５
図は、ノズル装置の平面図である。
図中、１１はタンク、１４は高圧流体吐出管、
１８はノズル装置、１９は外管ノズル、２０は内
管ノズル、２１は回転軸、２２は吸込口、２３は
案内羽根である。
Fig. 1 is a diagram showing a configuration in which a conventional single-flow liquid jet nozzle is installed in an aeration tank of a human waste treatment device, and Fig. 2 shows a liquid mixing device according to an embodiment of the present invention. FIG. 3 is a longitudinal cross-sectional view showing the configuration of the attachment part of the nozzle device, FIG. 4, and FIG.
The figure is a plan view of the nozzle device. In the figure, 11 is a tank, 14 is a high pressure fluid discharge pipe,
18 is a nozzle device, 19 is an outer tube nozzle, 20 is an inner tube nozzle, 21 is a rotating shaft, 22 is a suction port, and 23 is a guide vane.
Claims (1)
流体吐出管に設けた回転軸に、内管ノズルと外管
ノズルとでなる二重管構造のノズル装置を、回転
可能に軸承して、該ノズル装置の前記内管ノズル
には、高圧流体吐出管を接続し、前記外管ノズル
には、タンク内の流体を吸込むための吸込口を設
けてなる液体混合装置。 ２ ノズル装置を、回転軸に対して噴射軸線が偏
位するように設けてなる特許請求の範囲第１項記
載の液体混合装置。 ３ 吸込口に案内羽根を設けてなる特許請求の範
囲第１項、又は、第２項記載の液体混合装置。[Scope of Claims] 1. A high-pressure fluid discharge pipe is disposed in a tank, and a nozzle device with a double pipe structure consisting of an inner pipe nozzle and an outer pipe nozzle is attached to a rotating shaft provided on the high-pressure fluid discharge pipe, A liquid mixing device rotatably supported on a shaft, a high-pressure fluid discharge pipe connected to the inner pipe nozzle of the nozzle device, and a suction port for sucking fluid in a tank provided in the outer pipe nozzle. . 2. The liquid mixing device according to claim 1, wherein the nozzle device is provided such that the ejection axis is deviated with respect to the rotation axis. 3. The liquid mixing device according to claim 1 or 2, wherein the suction port is provided with a guide vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216724A JPS59105825A (en) | 1982-12-10 | 1982-12-10 | Liquid mixing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57216724A JPS59105825A (en) | 1982-12-10 | 1982-12-10 | Liquid mixing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59105825A JPS59105825A (en) | 1984-06-19 |
| JPH0239301B2 true JPH0239301B2 (en) | 1990-09-05 |
Family
ID=16692923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57216724A Granted JPS59105825A (en) | 1982-12-10 | 1982-12-10 | Liquid mixing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59105825A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003305491A (en) * | 2002-04-18 | 2003-10-28 | Purio:Kk | Method for boiling treatment of sewage |
| JP4727350B2 (en) * | 2005-08-31 | 2011-07-20 | 昭男 古川 | Lake water quality control system |
| JP4876601B2 (en) * | 2006-02-01 | 2012-02-15 | 三菱化学株式会社 | How to handle slurry |
| JP5294790B2 (en) * | 2008-10-14 | 2013-09-18 | クボタ環境サ−ビス株式会社 | Aeration equipment and wastewater treatment equipment |
| CN104707523A (en) * | 2015-02-17 | 2015-06-17 | 无锡昊瑜节能环保设备有限公司 | Efficient stirring equipment |
| US10960365B2 (en) * | 2016-05-24 | 2021-03-30 | Nissin Giken Co., Ltd. | Apparatus and method for producing fine air bubble mixed liquid |
| CN110628576A (en) * | 2019-09-24 | 2019-12-31 | 天津科技大学 | A kind of stirring system and method of fermentation tank |
-
1982
- 1982-12-10 JP JP57216724A patent/JPS59105825A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59105825A (en) | 1984-06-19 |
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