JPH0428408B2 - - Google Patents

Info

Publication number
JPH0428408B2
JPH0428408B2 JP63171466A JP17146688A JPH0428408B2 JP H0428408 B2 JPH0428408 B2 JP H0428408B2 JP 63171466 A JP63171466 A JP 63171466A JP 17146688 A JP17146688 A JP 17146688A JP H0428408 B2 JPH0428408 B2 JP H0428408B2
Authority
JP
Japan
Prior art keywords
cylindrical member
air chamber
rotating shaft
air
underwater motor
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
Application number
JP63171466A
Other languages
Japanese (ja)
Other versions
JPH0221935A (en
Inventor
Ichiro Murase
Tadashi Taniguchi
Tatsuro Kawamoto
Yoshitomo Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinmaywa Industries Ltd
Original Assignee
Shin Meiva Industry 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.)
Filing date
Publication date
Application filed by Shin Meiva Industry Ltd filed Critical Shin Meiva Industry Ltd
Priority to JP63171466A priority Critical patent/JPH0221935A/en
Publication of JPH0221935A publication Critical patent/JPH0221935A/en
Publication of JPH0428408B2 publication Critical patent/JPH0428408B2/ja
Granted legal-status Critical Current

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
    • B01F23/2331—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 introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—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 introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • 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
    • B01F23/2331—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 introduction of the gas along the axis of the stirrer or along the stirrer 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
    • B01F23/2331—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 introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23314—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 introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/25—Mixers with both stirrer and drive unit submerged in the material being mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Farming Of Fish And Shellfish (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は養魚池、養魚槽、養魚コンテナ等にお
ける水中曝気装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an underwater aeration device for fish ponds, fish tanks, fish containers, etc.

（従来の技術） 従来、養魚池等においては水中に酸素を溶存さ
せる気泡を拡散させるため、水面部において水車
を回転させたり加圧空気を水に吹き込んで散気曝
気を行つていた。(Prior Art) Conventionally, in fish ponds and the like, in order to diffuse bubbles that dissolve oxygen in the water, aeration has been performed by rotating a water wheel at the water surface or blowing pressurized air into the water.

（発明が解決しようとする課題） 水面部において水車を回転させるものは深部を
曝気することができす、加圧空気を吹き込んで散
気曝気を行うものは気泡が大となつて気液接触が
十分に行われず、また別に動力が必要であつた。(Problem to be solved by the invention) A water wheel that rotates at the surface of the water can aerate the deep part of the water, while a water wheel that performs diffused aeration by blowing pressurized air can cause air bubbles to become large and prevent gas-liquid contact. This was not done well and required additional power.

（課題を解決するための手段） 縦向きにした水中モータの回転軸に回転体を連
結し、該回転体は円筒部材の上部中心部に回転体
回転軸を同心に設けて該回転体の回転軸を前記水
中モータの回転軸と連結し、回転体回転軸と前記
円筒部材を複数枚の羽根で連結し、円筒部材の下
端に盲蓋を取着して第１空気室を形成し、前記円
筒部材の下寄り外側上下に水平隔壁板を設け、該
水平隔壁板間に複数の羽根板を放射状に設け、前
記水平隔壁板と羽根板とに囲まれた円筒部材に前
記第１空気室に致る適宜数の流出孔を穿設し、前
記水中モータと回転軸との間に第２空気室を設
け、該第２空気室へ空気連通管を接続した。ま
た、第２空気室内に水中モータ側から冷却フイン
を設けた。(Means for Solving the Problem) A rotating body is connected to the rotating shaft of a vertically oriented underwater motor, and the rotating body is rotated by providing the rotating body rotating shaft concentrically in the upper center of a cylindrical member. a shaft is connected to the rotating shaft of the underwater motor, the rotary body rotating shaft and the cylindrical member are connected by a plurality of blades, a blind cover is attached to the lower end of the cylindrical member to form a first air chamber, Horizontal partition plates are provided on the upper and lower sides of the lower outer side of the cylindrical member, a plurality of blade plates are provided radially between the horizontal partition plates, and the cylindrical member surrounded by the horizontal partition plates and the blade plates is provided with the first air chamber. A second air chamber was provided between the underwater motor and the rotating shaft, and an air communication pipe was connected to the second air chamber. Additionally, cooling fins were provided in the second air chamber from the submersible motor side.

（作用） 上記のごとくしたから、水中モータが回転する
と羽根板の回転によつて水平隔壁板と羽根板との
間の水は外周方向へ移動し、このための水平隔壁
板間の円筒部材の外側は負圧となつて第１空気室
の空気が流出孔から流出し、また回転体回転軸と
円筒部材との間の羽根の回転によつて第２空気室
から空気を第１空気室へ送り込み空気連通管から
空気が容易に第２空気室へ供給される。第１空気
室の流出孔から流出した空気は羽根板の回転によ
つて撹拌され、空気が細分化され微粒となつて水
と混合するので気液接触面積を増大し気液接触が
十分に行われ水中に多量の酸素を溶存させること
ができる。(Function) As described above, when the submersible motor rotates, the water between the horizontal bulkhead plate and the blade plate moves toward the outer circumference due to the rotation of the blade plate, and for this purpose, the cylindrical member between the horizontal bulkhead plate The outside has a negative pressure, and the air in the first air chamber flows out from the outflow hole, and the rotation of the blade between the rotating shaft of the rotating body and the cylindrical member causes air to flow from the second air chamber to the first air chamber. Air is easily supplied to the second air chamber from the inlet air communication tube. The air flowing out from the outflow hole of the first air chamber is stirred by the rotation of the vane, and the air is divided into fine particles and mixed with water, increasing the gas-liquid contact area and ensuring sufficient gas-liquid contact. A large amount of oxygen can be dissolved in the water.

（実施例） 以下図面の実施令を説明する。１は縦向きにし
水中モータで水中モータの回転軸１ａに回転体２
の回転軸２ａがボトル３、キー４によつて固着し
てある。５はスペーサである。(Example) The implementation order of the drawings will be explained below. 1 is a vertically oriented underwater motor, and a rotating body 2 is attached to the rotating shaft 1a of the underwater motor.
A rotating shaft 2a is fixed to the bottle 3 and a key 4. 5 is a spacer.

回転体２は円筒部材２ｂの上部中心部に回転体
回転軸２ａを同心に設け複数枚の羽根２ｃで連結
し、前記のごとく水中モータ１の回転軸１ａに連
結してある。 The rotating body 2 has a rotating body rotating shaft 2a concentrically provided in the upper center of a cylindrical member 2b and connected by a plurality of blades 2c, and is connected to the rotating shaft 1a of the underwater motor 1 as described above.

円筒部材２ｂの下端に盲蓋６を取着して第１空
気室７を形成してある。 A blind lid 6 is attached to the lower end of the cylindrical member 2b to form a first air chamber 7.

円筒部材２ｂの下寄り外側上下には水平隔壁板
２ｄ，２ｅを設けてあり、該水平隔壁板２ｄ，２
ｅ間に複数の羽根板８ａ，８ｂ，８ｃが放射状に
設けてある。 Horizontal partition plates 2d and 2e are provided on the upper and lower sides of the lower outside of the cylindrical member 2b.
A plurality of blade plates 8a, 8b, and 8c are provided radially between e.

また、水平隔壁板２ｄ，２ｃと羽根板８ａ，８
ｂ，８ｃとに囲まれた円筒部材２ｂには適宜数の
流出孔２ｆが穿設してある。 In addition, horizontal partition plates 2d, 2c and vane plates 8a, 8
A suitable number of outflow holes 2f are bored in the cylindrical member 2b surrounded by cylindrical members b and 8c.

９ａ，９ｂ，９ｃ，９ｄは上部水平隔壁板２ｄ
の上側外周近くに設けた小型羽根であり、１０
ａ，１０ｂ，１０ｃ，１０ｄは下部水平隔壁板２
ｅの下側外周部近くに設けた小型羽根である。 9a, 9b, 9c, 9d are upper horizontal partition plates 2d
It is a small blade installed near the upper outer periphery of the
a, 10b, 10c, 10d are lower horizontal partition plates 2
It is a small blade provided near the lower outer periphery of e.

１１は第２空気室で水中モータ１と回転体２の
間にあり、底壁１１ａの穴に設けた摺動材１２を
介して円筒部材２ｂが回転するごとくなつてい
る。１３はメカニカルシールで１４は冷却フイン
である。 A second air chamber 11 is located between the underwater motor 1 and the rotating body 2, and is configured such that the cylindrical member 2b rotates via a sliding member 12 provided in a hole in the bottom wall 11a. 13 is a mechanical seal and 14 is a cooling fin.

１５は空気連通管で第２空気室１１と水面上の
大気とを連通している。 An air communication pipe 15 communicates the second air chamber 11 with the atmosphere above the water surface.

１６はストレーナで水平隔壁板２ｄ，２ｅ及び
羽根板８ａ，８ｂ，８ｃを囲繞するごとく第２空
気室１１の下側に設けてある。ストレーナ１６の
上部は前記第２空気室１１を底壁１１ａで構成さ
れ、下部は底板１７となり、底壁１１ａと底板１
７の間には多数の棒材１８が円周部近傍で連結し
てある。 A strainer 16 is provided below the second air chamber 11 so as to surround the horizontal partition plates 2d, 2e and the blade plates 8a, 8b, 8c. The upper part of the strainer 16 consists of the second air chamber 11 and the bottom wall 11a, and the lower part becomes the bottom plate 17, which includes the bottom wall 11a and the bottom plate 1.
A large number of rods 18 are connected between the rods 7 near the circumference.

１９は水中モータ１の給電ケーブルで図示しな
い地上の電源に接続してある。Ｐは養魚池であ
る。 Reference numeral 19 is a power supply cable for the underwater motor 1, which is connected to a ground power source (not shown). P is a fish pond.

２０は水中モータ１に係着したチエンで図示し
ないチエンホイストにより昇降するごとくしてあ
る。２１は底板１７の下部に取着した台である。 A chain 20 is attached to the underwater motor 1 and is raised and lowered by a chain hoist (not shown). 21 is a stand attached to the lower part of the bottom plate 17.

しかして、水中モータ１を駆動すると羽根板８
ａ，８ｂ，８ｃの回転によつて水平隔壁板２ｄ，
２ｅと羽根板８ａ，８ｂ，８ｃとの間の水は外周
方向へ移動し、このため水平隔壁板２ｄ，２ｅ間
円筒部材２ｂの外側は負圧となつて第１空気室７
の空気が流出孔から流出し、また回転体回転軸２
ａと円筒部材２ｂとの間の羽根２ｃの回転によつ
て第２空気室１１から空気を第１空気室７へ送り
込み空気連通管１５から空気が容易に第２空気室
１１へ供給される。流出孔２ｆから流出して羽根
板８ａ，８ｂ，８ｃの回転によつて撹拌され、空
気が細分化され微粒子となつて水と混合するので
気液接触面積が増大し気液接触が十分に行われ水
中に多量の酸素を溶存させることができる。さら
に空気を混入した水がストレーナ１６の棒材１８
に衝突して空気が更に細分化され微小粒子となつ
て水に混入し空気の溶解を促進する。養魚池の魚
はストレーナ１６によつて回転している羽根の所
へは進入できないため羽根によつて損傷されな
い。 Therefore, when the underwater motor 1 is driven, the blade plate 8
By the rotation of a, 8b, 8c, the horizontal partition plate 2d,
The water between the cylindrical member 2b and the horizontal partition plates 2d and 2e moves toward the outer circumference, and the outside of the cylindrical member 2b between the horizontal partition plates 2d and 2e becomes negative pressure, and the first air chamber 7
The air flows out from the outflow hole, and the rotating shaft of the rotating body 2
Air is sent from the second air chamber 11 to the first air chamber 7 by the rotation of the blade 2c between the blade 2c and the cylindrical member 2b, and the air is easily supplied to the second air chamber 11 from the air communication pipe 15. The air flows out from the outflow hole 2f and is stirred by the rotation of the vanes 8a, 8b, and 8c, and the air is divided into fine particles and mixed with water, increasing the gas-liquid contact area and ensuring sufficient gas-liquid contact. A large amount of oxygen can be dissolved in the water. Furthermore, the water mixed with air flows to the bar 18 of the strainer 16.
When the air collides with the water, the air is further fragmented and becomes microparticles, which are mixed into the water and promote the dissolution of the air. The fish in the fishpond are not damaged by the blades as they are prevented from entering the rotating blades by the strainer 16.

また、上部水平隔壁板２ｄの上側にある水及び
下部の水平隔壁板２ｅの下側にある水は小型羽根
９ａ，９ｂ，９ｃ，９ｄ及び１０ａ，１０ｂ，１
０ｃ，１０ｄによつて水平方向へ広がる水流とな
り、該上下の水流間で空気の混入した水が広く広
がり、広範囲の水に酸素が溶存する。 Further, the water above the upper horizontal partition plate 2d and the water below the lower horizontal partition plate 2e are removed by the small blades 9a, 9b, 9c, 9d and 10a, 10b, 1.
0c and 10d result in a water flow that spreads in the horizontal direction, and the water mixed with air spreads widely between the upper and lower water flows, and oxygen is dissolved in the water over a wide range.

（発明の効果） 以上のごとく本願発明は縦向きにした水中モー
タの回転軸に回転体を連結し、該回転体は円筒部
材の上部中心部に回転体回転軸を同心に設けて該
回転体の回転軸を水中モータの回転軸と連結し、
回転体回転軸と円筒部材を複数枚の羽根で連結
し、円筒部材の下端に盲蓋を取着して第１空気室
を形成し、円筒部材の下寄り外側上下に水平隔壁
板を設け、該水平隔板間に複数の羽根板を放射状
に設け、水平隔壁板と羽根板とに囲まれた円筒部
材に第１空気室に到る適宜数の流出孔を穿設し、
水中モータと回転体との間に第２空気室を設け、
該第２空気室へ空気連通管を接続したから、羽根
板の回転によつて水平隔壁板と羽根板との間の水
は外周方向へ移動して水平隔壁板間の円筒部材の
外側は負圧となつて第１空気室の空気が流出孔か
ら流出し、回転体回転軸と円筒部材との間の羽根
の回転によつて第２空気室から空気を第１空気室
へ送り込み空気連通管から空気が容易に第２空気
室へ供給される。第１空気室から流出孔を通つて
水中へ流した空気は羽根板の回転によつて撹拌さ
れ、空気が細分化され微粒子となつて水と混合す
るので気液接触面積を増大し気液接触が十分に行
われ水中に多量の酸素を溶存させることができ
る。また、第２空気室内の冷却フインによつての
メカニカルシール部が冷却される。(Effects of the Invention) As described above, the present invention connects a rotating body to the rotating shaft of a vertically oriented underwater motor. Connect the rotating shaft of the underwater motor with the rotating shaft of the underwater motor.
A rotating shaft of the rotating body and a cylindrical member are connected by a plurality of blades, a blind lid is attached to the lower end of the cylindrical member to form a first air chamber, and horizontal partition plates are provided on the upper and lower sides of the lower outside of the cylindrical member, A plurality of vanes are provided radially between the horizontal partition plates, and an appropriate number of outflow holes leading to the first air chamber are bored in a cylindrical member surrounded by the horizontal partition plates and the vanes,
A second air chamber is provided between the underwater motor and the rotating body,
Since the air communication pipe is connected to the second air chamber, the water between the horizontal partition plates and the blade plates moves toward the outer circumference due to the rotation of the blade plate, and the outside of the cylindrical member between the horizontal partition plates becomes negative. The air in the first air chamber becomes under pressure and flows out from the outflow hole, and the rotation of the blade between the rotating shaft of the rotating body and the cylindrical member sends the air from the second air chamber to the first air chamber, and the air communicates with the pipe. Air is easily supplied to the second air chamber. The air flowing into the water from the first air chamber through the outflow hole is stirred by the rotation of the vane, and the air is divided into fine particles and mixed with water, increasing the gas-liquid contact area and causing gas-liquid contact. is carried out sufficiently and a large amount of oxygen can be dissolved in the water. Further, the mechanical seal portion is cooled by the cooling fins in the second air chamber.

【図面の簡単な説明】[Brief explanation of drawings]

図はいずれも本発明の一実施例を示し、第１図
は一部を断面にした側面図、第２図は第１図の
〜から見た断面図、第３図は第１図の〜か
ら見た断面図、第４図は第１図の〜から見た
断面図、第５図は第１図の〜から見た断面図
である。 １……水中モータ、１ａ……水中モータの回転
軸、２……回転体、２ａ……回転体回転軸、２ｂ
……円筒部材、２ｃ……羽根、２ｄ，２ｅ……水
平隔壁板、７……第１空気室、８ａ，８ｂ，８ｃ
……羽根板、９ａ，９ｂ，９ｃ，９ｄ……小型羽
根、１０ａ，１０ｂ，１０ｃ，１０ｄ……小型羽
根、１１……第２空気室。 The drawings all show an embodiment of the present invention, in which Fig. 1 is a partially sectional side view, Fig. 2 is a sectional view taken from - in Fig. 1, and Fig. 3 is a sectional view taken from - in Fig. 1. 4 is a sectional view taken from - in FIG. 1, and FIG. 5 is a sectional view taken from - in FIG. 1. DESCRIPTION OF SYMBOLS 1... Underwater motor, 1a... Rotating shaft of underwater motor, 2... Rotating body, 2a... Rotating body rotating shaft, 2b
...Cylindrical member, 2c...Blade, 2d, 2e...Horizontal partition plate, 7...First air chamber, 8a, 8b, 8c
...Blade plate, 9a, 9b, 9c, 9d...Small blade, 10a, 10b, 10c, 10d...Small blade, 11...Second air chamber.

Claims (1)

【特許請求の範囲】 １ 縦向きにした水中モータの回転軸に回転体を
連結し、該回転体は円筒部材の上部中心部に回転
体回転軸を同心に設けて該回転体の回転軸を前記
水中モータの回転軸と連結し、回転体回転軸と前
記円筒部材を複数枚の羽根で連結し、円筒部材の
下端に盲蓋を取着して第１空気室を形成し、前記
円筒部材の下寄り外側上下に水平隔壁板を設け、
該水平隔壁板間に複数の羽根板を放射状に設け、
前記水平隔壁板と羽根板とに囲まれた円筒部材に
前記第１空気室に致る適宜数の流出孔を穿設し、
前記水中モータと回転体との間に第２空気室を設
け、該第２空気室へ空気連通管を接続したとこを
特徴とする水中曝気装置。 ２ 前記第２空気室内に水中モータ側から冷却フ
インを設けた特許請求の範囲第１項記載の水中曝
気装置。[Claims] 1. A rotating body is connected to the rotating shaft of a vertically oriented underwater motor, and the rotating body has a rotating shaft concentrically provided in the upper center of a cylindrical member, and the rotating shaft of the rotating body is connected to the rotating shaft of the vertically oriented underwater motor. The cylindrical member is connected to the rotating shaft of the underwater motor, the rotating body rotating shaft and the cylindrical member are connected by a plurality of blades, a blind lid is attached to the lower end of the cylindrical member to form a first air chamber, and the cylindrical member is connected to the rotating shaft of the underwater motor. Horizontal bulkhead plates are installed above and below the outside of the lower part of the
A plurality of blade plates are provided radially between the horizontal partition plates,
An appropriate number of outflow holes reaching the first air chamber are bored in the cylindrical member surrounded by the horizontal partition plate and the blade plate,
An underwater aeration device characterized in that a second air chamber is provided between the underwater motor and the rotating body, and an air communication pipe is connected to the second air chamber. 2. The underwater aeration device according to claim 1, wherein cooling fins are provided in the second air chamber from the underwater motor side.
JP63171466A 1988-07-08 1988-07-08 Underwater aeration device Granted JPH0221935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63171466A JPH0221935A (en) 1988-07-08 1988-07-08 Underwater aeration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63171466A JPH0221935A (en) 1988-07-08 1988-07-08 Underwater aeration device

Publications (2)

Publication Number Publication Date
JPH0221935A JPH0221935A (en) 1990-01-24
JPH0428408B2 true JPH0428408B2 (en) 1992-05-14

Family

ID=15923628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63171466A Granted JPH0221935A (en) 1988-07-08 1988-07-08 Underwater aeration device

Country Status (1)

Country Link
JP (1) JPH0221935A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444886B1 (en) * 2001-12-03 2004-08-21 주식회사 에네트 A Micro-Bubble Generator And Liquid Treatments Using The Micro-Bubble Generator

Also Published As

Publication number Publication date
JPH0221935A (en) 1990-01-24

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