JPH0128878Y2 - - Google Patents
Info
- Publication number
- JPH0128878Y2 JPH0128878Y2 JP1983018304U JP1830483U JPH0128878Y2 JP H0128878 Y2 JPH0128878 Y2 JP H0128878Y2 JP 1983018304 U JP1983018304 U JP 1983018304U JP 1830483 U JP1830483 U JP 1830483U JP H0128878 Y2 JPH0128878 Y2 JP H0128878Y2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- liquid
- water
- chamber
- annular
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000005273 aeration Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
【考案の詳細な説明】 (1) 考案の目的 本考案は、水中曝気装置に関するものである。[Detailed explanation of the idea] (1) Purpose of the invention The present invention relates to an underwater aeration device.
従来、水中への曝気には第３図に見られるよ
う、ポンプ吐水口６′をノズル状に狭窄して気液
混合筒１１′の周壁よりポンプ吐水口６′の外周辺
部へ通気導管８′の終端部を導入開口させた構造
により、ポンプ過流室５′内のインペラー３′を回
転させて圧力水をポンプ吐水口６′から気液混合
筒１１′内へ送る際に、そのジエツト作用により
ポンプ吐水口６′の外周辺部が減圧されて大気中
の空気を吸気導管８′から噴射水柱の周囲表面へ
吸引させ、気液混合筒１１′内で混合作用を起さ
せて噴射口１３′より気液混合体を放出させると
いう方法が採られていた。 Conventionally, for aeration into water, as shown in FIG. 3, the pump spout 6' is constricted into a nozzle shape, and a ventilation conduit 8 is routed from the peripheral wall of the gas-liquid mixing cylinder 11' to the outer periphery of the pump spout 6'. Due to the structure in which the terminal end of the pump is opened for introduction, when the impeller 3' in the pump overflow chamber 5' is rotated to send pressurized water from the pump spout 6' into the gas-liquid mixing cylinder 11', the jet is opened. As a result, the pressure is reduced around the outer periphery of the pump spout 6', and the air in the atmosphere is sucked from the intake conduit 8' to the surrounding surface of the jet water column, causing a mixing action within the gas-liquid mixing tube 11', and the air is drawn into the jet nozzle. A method was adopted in which a gas-liquid mixture was discharged from 13'.
このような曝気装置は気液を一定の割合で十分
に混合することが望ましい。しかし従来のように
ノズル状に狭窄されたポンプ吐水口６′からの単
純な噴射作用では、噴射水柱の外周表面でのみ気
液接触が行なわれるに過ぎず、噴射水柱の中心部
には何の作用もしないため空気の吸引作用と混合
効果に乏しく、また、水圧の変化等によつて空気
の混合比を一定に保つことができなくなる。 It is desirable that such an aeration device sufficiently mixes gas and liquid at a constant ratio. However, in the conventional simple injection action from the nozzle-shaped constricted pump outlet 6', gas-liquid contact occurs only on the outer peripheral surface of the injected water column, and there is nothing in the center of the injected water column. Since it does not work, it has poor air suction and mixing effects, and it becomes impossible to maintain a constant air mixing ratio due to changes in water pressure, etc.
本考案の目的は、上述のような従来の欠点を払
拭して、空気の吸引作用と混合効果に優れ、しか
も水圧の変化等に拘らず空気の混合比が一定に保
たれる曝気装置を提供することにある。 The purpose of the present invention is to eliminate the above-mentioned conventional drawbacks and provide an aeration device that has excellent air suction and mixing effects and can maintain a constant air mixing ratio regardless of changes in water pressure, etc. It's about doing.
(3) 考案の構成
本考案水中曝気装置においては、水中モーター
の導出軸にプロペラを嵌着して通液室内に収容
し、該通液室の一側に吸込口を開設すると共に後
記整流筒と同心円状の吐水口を前方に開口させ、
プロペラの中心より整流筒を導出させて上記吐水
口の中心部を貫通させ、吐水口の外周に環状の包
囲室を繞設してその外壁に通気導管の接続口を開
口させ、包囲室の内周には吐水口の口縁に沿う環
状の溝隙を設けて後記気液混合筒内へ通ずる環状
ノズルとなし、該環状ノズルの前方には通液室と
通ずる気液混合筒を附設させた構造となつてい
る。(3) Structure of the invention In the underwater aeration system of the invention, a propeller is fitted to the output shaft of a submersible motor and housed in a liquid passage chamber, and a suction port is opened on one side of the liquid passage chamber, and a rectifying tube described later is installed. A concentric spout opens forward,
A rectifying tube is led out from the center of the propeller and penetrates the center of the water spout, an annular surrounding chamber is formed around the outer periphery of the water spout, and a connection port for the ventilation pipe is opened on the outer wall of the surrounding chamber. An annular groove along the edge of the spout was provided around the periphery to form an annular nozzle that communicated with the gas-liquid mixing cylinder described later, and a gas-liquid mixing cylinder that communicated with the liquid passage chamber was attached to the front of the annular nozzle. It has a structure.
実施態様を例示した第１図および第２図につい
て説明すると、１は所定の据付構造により水中に
沈設された水中モーター、２は水中モーター１の
導出軸、３は導出軸２に嵌着されたプロペラであ
つて、一側に吸込口４を開設した通液室５内に収
容される。通液室５の前方には吐水口６が開口さ
れているが、該吐水口６は後記整流筒１４と同心
円状となつており、該吐水口６の外周には環状の
包囲室７が繞設されている。包囲室７の外壁には
通気導管８の接続口９を開口させ、包囲室７の内
周には吐水口６の口縁に沿う環状の溝隙１０を設
けることによつて、後記気液混合筒１１内へ通ず
る環状ノズル１２が形成せしめられる。そして環
状ノズル１２の前方には通液室５と通ずる気液混
合筒１１が附設され、その先端部が噴射口１３と
して水中に開口されるのである。１４はプロペラ
３の中心より導出されて吐水口６の中心部を貫通
する整流筒である。 To explain the embodiments in FIGS. 1 and 2, 1 is a submersible motor submerged in water with a predetermined installation structure, 2 is a lead-out shaft of the submersible motor 1, and 3 is fitted to the lead-out shaft 2. It is a propeller and is housed in a liquid passage chamber 5 having a suction port 4 on one side. A water spout 6 is opened in front of the liquid passage chamber 5, and the water spout 6 is concentric with a rectifying cylinder 14 described later, and an annular surrounding chamber 7 surrounds the outer periphery of the water spout 6. It is set up. By opening the connection port 9 of the ventilation conduit 8 on the outer wall of the surrounding chamber 7 and providing an annular groove 10 along the edge of the spout 6 on the inner periphery of the surrounding chamber 7, gas-liquid mixing as described below can be achieved. An annular nozzle 12 is formed leading into the tube 11 . A gas-liquid mixing cylinder 11 is attached to the front of the annular nozzle 12 and communicates with the liquid passage chamber 5, and the tip thereof is opened into the water as an injection port 13. Reference numeral 14 denotes a rectifying cylinder that is led out from the center of the propeller 3 and passes through the center of the water outlet 6.
水中モーター１の駆動により通液室５内のプロ
ペラ３が回転すると、吸込口４から通液室５内に
吸込まれた水が吐水口６を通つて気液混合筒１１
内へ送られるが、圧力水が吐水口６から気液混合
筒１１内へ送られる際に、吸気導管８から環状の
包囲室７内へ吸引された大気中の空気が環状の溝
隙１０を通つて環状ノズル１２より気液混合筒１
１内へ流入する。吐水口６から送出される上記圧
力水はプロペラ３の旋回作用によつて捻旋状とな
り且つ整流筒１４に沿つて中空状に送出させら
れ、また、包囲室７内へ吸引された空気は環状ノ
ズル１２によつて気液混合筒１１の筒軸方向へ流
入する傾向となるので、圧力水の中心部にも気液
接触作用が及ぶこととなり、気液混合筒１１内で
十分に混合させて噴射口１３より気液混合体を放
出することになる。 When the propeller 3 in the liquid passage chamber 5 rotates due to the drive of the submersible motor 1, water sucked into the liquid passage chamber 5 from the suction port 4 passes through the water spout 6 and flows into the gas-liquid mixing cylinder 11.
However, when the pressurized water is sent from the spout 6 into the gas-liquid mixing cylinder 11, atmospheric air sucked into the annular surrounding chamber 7 from the intake conduit 8 passes through the annular groove gap 10. The annular nozzle 12 passes through the gas-liquid mixing cylinder 1.
Flows into 1. The pressurized water sent out from the water spout 6 becomes twisted due to the swirling action of the propeller 3 and is sent out in a hollow shape along the straightening tube 14, and the air sucked into the surrounding chamber 7 is twisted into a circular shape. Since the nozzle 12 tends to flow in the direction of the cylinder axis of the gas-liquid mixing cylinder 11, the gas-liquid contact effect also reaches the center of the pressure water, so that it is sufficiently mixed within the gas-liquid mixing cylinder 11. The gas-liquid mixture is discharged from the injection port 13.
(3) 考案の効果
従来のようにノズル状に狭窄されたポンプ吐出
口６′からの単純な噴射作用では、噴射水圧の外
周表面でのみ気液接触が行なわれるに過ぎず、噴
射水柱の中心部には何の作用もしないため空気の
吸引作用と混合効果に乏しく、また、水圧の変化
等によつて空気の混合比を一定に保つことができ
なくなる。(3) Effects of the invention In the conventional simple injection action from the nozzle-shaped constricted pump discharge port 6', gas-liquid contact occurs only on the outer peripheral surface of the injection water pressure, and the center of the injection water column Since it has no effect on the air, it has poor air suction and mixing effects, and it also becomes impossible to maintain a constant air mixing ratio due to changes in water pressure, etc.
これに対し本考案装置における吐水口６からの
圧力水は、プロペラ３の旋回作用により捻旋状と
なり且つ整流筒１４に沿つて中空状に送出せら
れ、また、通気導管８から吸引される大気中の空
気は環状の包囲室を経由して環状ノズル１２によ
り気液混合筒１１の筒軸方向へ流入する傾向とな
るので、圧力水の中心にまで気液接触作用が及
び、気液混合筒１１内で十分に混合されて噴射口
１３より気液混合体が放出されることになる。 In contrast, the pressurized water from the water spout 6 in the device of the present invention becomes twisted due to the swirling action of the propeller 3 and is sent out in a hollow shape along the rectifier tube 14, and the air is sucked through the ventilation conduit 8. Since the air inside tends to flow in the axial direction of the gas-liquid mixing cylinder 11 through the annular nozzle 12 via the annular surrounding chamber, the gas-liquid contact effect extends to the center of the pressure water, and the gas-liquid mixing cylinder The gas-liquid mixture is sufficiently mixed within 11 and discharged from the injection port 13.
このように本考案装置によれば、空気の吸引作
用と混合効果に優れ、しかも水圧の変化等に拘ら
ず空気の混合比が一定に保たれ得るという利点が
ある。 As described above, the device of the present invention has the advantage that it has excellent air suction and mixing effects, and that the air mixing ratio can be kept constant regardless of changes in water pressure.
第１図は本考案水中曝気装置の要部縦断側面
図、第２図は本考案水中曝気装置における吐水口
および環状ノズル部分の拡大縦断側面図、第３図
は従来における水中曝気装置の要部縦断側面図で
ある。
１……水中モーター、２……導出軸、３……プ
ロペラ、４……吸込口、５……通液室、６……吐
水口、７……環状の包囲室、８……通気導管、９
……接続口、１０……環状の溝隙、１１……気液
混合筒、１２……環状ノズル、１４……整流筒。
Figure 1 is a vertical side view of the main parts of the underwater aeration system of the present invention, Figure 2 is an enlarged vertical side view of the spout and annular nozzle in the underwater aeration system of the present invention, and Figure 3 is the main parts of the conventional underwater aeration system. FIG. DESCRIPTION OF SYMBOLS 1... Submersible motor, 2... Output shaft, 3... Propeller, 4... Suction port, 5... Liquid passage chamber, 6... Water outlet, 7... Annular surrounding chamber, 8... Ventilation conduit, 9
... connection port, 10 ... annular groove gap, 11 ... gas-liquid mixing cylinder, 12 ... annular nozzle, 14 ... rectifying cylinder.
Claims (1)
して通液室５内に収容し、該通液室５の一側に吸
込口４を開設すると共に後記整流筒１４と同心円
状の吐水口６を前方に開口させ、プロペラ３の中
心より整流筒１４を導出させて上記吐水口６の中
心部を貫通させ、吐水口６の外周に環状の包囲室
９を繞設してその外壁に通気導管８の接続口９を
開口させ、包囲室７の内周には吐水口６の口縁に
沿う環状の溝隙１０を設けて後記気液混合筒１１
内へ通ずる環状ノズル１２となし、該環状ノズル
１２の前方には通液室５と通ずる気液混合筒１１
を附設してなる水中曝気装置。 A propeller 3 is fitted onto the lead-out shaft 2 of the submersible motor 1 and housed in a liquid passage chamber 5, and a suction port 4 is provided on one side of the liquid passage chamber 5, and a water spout concentric with a rectifying tube 14 described later. 6 is opened forward, the rectifying cylinder 14 is led out from the center of the propeller 3 and penetrates the center of the water spout 6, and an annular surrounding chamber 9 is provided around the outer periphery of the water spout 6 to provide ventilation on the outer wall. The connection port 9 of the conduit 8 is opened, and an annular groove 10 along the edge of the water spout 6 is provided on the inner periphery of the surrounding chamber 7 to form a gas-liquid mixing cylinder 11 described later.
An annular nozzle 12 that communicates with the inside, and a gas-liquid mixing cylinder 11 that communicates with the liquid passage chamber 5 in front of the annular nozzle 12.
Underwater aeration equipment equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983018304U JPS59193599U (en) | 1983-02-10 | 1983-02-10 | Underwater aeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983018304U JPS59193599U (en) | 1983-02-10 | 1983-02-10 | Underwater aeration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59193599U JPS59193599U (en) | 1984-12-22 |
| JPH0128878Y2 true JPH0128878Y2 (en) | 1989-09-01 |
Family
ID=30149507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983018304U Granted JPS59193599U (en) | 1983-02-10 | 1983-02-10 | Underwater aeration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59193599U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5257819B2 (en) * | 2011-02-25 | 2013-08-07 | 成和工業株式会社 | Micro bubble generator |
-
1983
- 1983-02-10 JP JP1983018304U patent/JPS59193599U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59193599U (en) | 1984-12-22 |
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