JPH07208375A - Operating liquid invasion preventing device for bearing part clearance of continuous deaerating device - Google Patents
Operating liquid invasion preventing device for bearing part clearance of continuous deaerating deviceInfo
- Publication number
- JPH07208375A JPH07208375A JP6005571A JP557194A JPH07208375A JP H07208375 A JPH07208375 A JP H07208375A JP 6005571 A JP6005571 A JP 6005571A JP 557194 A JP557194 A JP 557194A JP H07208375 A JPH07208375 A JP H07208375A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- bearing
- rotary shaft
- handling liquid
- vacuum container
- 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.)
- Granted
Links
Landscapes
- Degasification And Air Bubble Elimination (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、真空容器内で回転する
有底のふるい体の遠心力により取扱液を加速して該取扱
液中の気体を除去する連続脱気装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous deaerator for accelerating a handling liquid by a centrifugal force of a sieving body having a bottom which rotates in a vacuum container to remove gas in the handling liquid.
【０００２】[0002]
【従来の技術】この種の脱気装置は、真空容器の回転す
るふるい体に泡を含んだ取扱液を供給し、泡の体積を増
やすことで脱気処理効果を高めるている。2. Description of the Related Art In this type of deaerator, a handling liquid containing bubbles is supplied to a rotating sieving body of a vacuum container to increase the volume of bubbles to enhance the deaerating effect.
【０００３】[0003]
【発明が解決しようとする課題】しかし、取扱液に泡が
多量に含まれている場合、又は、発泡性が強い場合に
は、供給された取扱液の泡がふるい体上に充満し、マグ
ネットカップリングの場合には、従動側マグネット回転
軸の軸受部の隙間に侵入し、軸受の不具合が生じて脱気
効果が低下する欠点がある。また、軸封装置の場合に
は、回転軸と軸受ケースとの隙間からシート面に侵入
し、シール不良が生じて脱気効果が低下する欠点があ
る。However, when the handling liquid contains a large amount of bubbles or has a strong foaming property, the bubbles of the supplied handling liquid fill the sieving body, and In the case of the coupling, there is a drawback that it penetrates into the gap of the bearing portion of the driven-side magnet rotary shaft, causing a malfunction of the bearing and reducing the deaeration effect. Further, in the case of the shaft sealing device, there is a drawback that the degassing effect is deteriorated by penetrating the seat surface through the gap between the rotating shaft and the bearing case, resulting in poor sealing.
【０００４】本発明は、取扱液に泡が多量に含まれてい
る場合や発泡性が強い場合にも有効な脱気効果が得られ
る連続脱気装置の軸受部隙間への取扱液侵入防止装置を
提供することを目的としている。The present invention is a device for preventing the handling liquid from entering the bearing gap of a continuous deaerator, which can obtain an effective degassing effect even when the handling liquid contains a large amount of bubbles or has a strong foaming property. Is intended to provide.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、真空容
器内で回転する有底のふるい体の遠心力により取扱液を
加速して該取扱液中の気体を除去する連続脱気装置にお
いて、駆動機の取付台の内側に該駆動機の回転軸側と前
記ふるい体とを連結するマグネットカップリングを設
け、前記回転軸用の軸受ケース下部に該回転軸と微小隙
間を有するカバーを設け、該カバー内を前記真空容器外
の微圧気体供給源に接続している。According to the present invention, there is provided a continuous deaerator for accelerating a liquid to be handled by a centrifugal force of a bottomed sieving body rotating in a vacuum container to remove gas in the liquid to be handled. A magnetic coupling is provided inside the mounting base of the drive unit for connecting the rotary shaft side of the drive unit and the sieve body, and a cover having a minute gap between the rotary shaft and the rotary shaft is provided below the bearing case for the rotary shaft. The inside of the cover is connected to a slight pressure gas supply source outside the vacuum container.
【０００６】また本発明によれば、真空容器内で回転す
る有底のふるい体の遠心力により取扱液を加速して該取
扱液中の気体を除去する連続脱気装置において、駆動機
の回転軸用の軸受ケーシングの内側に軸封装置を設け、
該軸受ケーシングの下部に前記回転軸と微小隙間を有す
るカバーを設け、該カバー内を前記真空容器外の微圧気
体供給源に接続している。Further, according to the present invention, in the continuous deaerator for accelerating the handling liquid by the centrifugal force of the bottomed sieving body rotating in the vacuum container to remove gas in the handling liquid, rotation of the driving machine Provide a shaft seal device inside the bearing casing for the shaft,
A cover having a minute gap with the rotating shaft is provided in the lower part of the bearing casing, and the inside of the cover is connected to a slight pressure gas supply source outside the vacuum container.
【０００７】[0007]
【作用】上記のように構成された連続脱気装置の軸受部
隙間への取扱液侵入防止装置においては、微小隙間より
微圧気体を噴射することにより、泡が多量に含まれてい
る取扱液、又は、発泡性の強い取扱液が軸受部隙間に侵
入するのが確実に阻止される。In the device for preventing handling liquid intrusion into the bearing gap of the continuous deaerator constructed as described above, the handling liquid containing a large amount of bubbles is produced by injecting a slightly pressurized gas from the minute gap. Alternatively, the handling liquid having a strong foaming property is surely prevented from entering the bearing gap.
【０００８】[0008]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１において、真空容器２の蓋１には、真
空容器２内に突出する全体を符号３で示す溶接構造の仕
切体が取付けられ、この仕切体３により、真空容器２の
内部は大気側と完全に仕切られている。その仕切体３に
取付けられた軸受ケース４には、回転軸５が軸受６ａ、
６ｂを介して支持されており、この回転軸５の下端に
は、回転ふるい７が固設されている。そして、駆動機２
０の出力軸２１に固設された回転筒２２と回転軸５との
間には、マグネットカップリング２３が設けられてい
る。In FIG. 1, a lid 1 of the vacuum container 2 is attached with a partition member having a welded structure, which is entirely denoted by reference numeral 3, and projects into the vacuum container 2. It is completely separated from the atmosphere side. In the bearing case 4 attached to the partition body 3, the rotary shaft 5 has a bearing 6a,
It is supported via 6b, and a rotary sieve 7 is fixed to the lower end of the rotary shaft 5. And drive machine 2
A magnet coupling 23 is provided between the rotary shaft 22 fixed to the zero output shaft 21 and the rotary shaft 5.
【００１０】前記軸受ケース４の下部には、回転軸５と
微小隙間Ｃを設けたカバー８が取付けられ、カバー８の
内は、真空容器２の外部の図示しない例えばエア又はガ
スの微圧気体供給源に配管９及び軸受ケース４に形成し
た通路４ａにより接続されている。なお、図中の符号２
５は真空用配管、２６は取扱液供給管である。A cover 8 provided with a rotary shaft 5 and a minute gap C is attached to the lower portion of the bearing case 4, and the inside of the cover 8 is a minute pressure gas such as air or gas outside the vacuum container 2 not shown. It is connected to the supply source by a pipe 9 and a passage 4a formed in the bearing case 4. In addition, reference numeral 2 in the drawing
Reference numeral 5 is a vacuum pipe, and 26 is a handling liquid supply pipe.
【００１１】作動に際し、回転ふるい７に泡が多量に含
まれているが、発泡性の強い取扱液が充満しても、微小
隙間Ｃから噴射される微圧気体噴流Ｊにより、取扱液が
軸受６ａに侵入するのが確実に阻止される。During operation, the rotary sieve 7 contains a large amount of bubbles. Even if the handling liquid having a strong foaming property is filled, the handling liquid is borne by the slight pressure gas jet J injected from the minute gap C. 6a is reliably prevented from entering.
【００１２】図２には、本発明の別の実施例が示されて
いる。FIG. 2 shows another embodiment of the present invention.
【００１３】真空容器２の蓋１には、真空容器２内に突
出する全体を符号１０で示す軸受ケーシングが取付けら
れており、その軸受ケーシング１０と回転軸５ａとの間
には、軸受６及び軸封装置であるメカニカルシール１２
が設けられている。また、シールカバー１１には通路１
１ａが形成されている。そして、回転軸５ａは、駆動機
２０の出力軸２１とカップリング２４により連結され、
他は図１と同様に構成されている。この実施例でも前記
実施例と同様に、メカニカルシール１２のシール面に取
扱液が侵入するのが確実に阻止される。On the lid 1 of the vacuum container 2, there is mounted a bearing casing, which is generally designated by 10, and which projects into the vacuum container 2. Between the bearing casing 10 and the rotary shaft 5a, a bearing 6 and Mechanical seal 12 which is a shaft sealing device
Is provided. Also, the seal cover 11 has a passage 1
1a is formed. The rotary shaft 5a is connected to the output shaft 21 of the driving machine 20 by the coupling 24,
The others are configured similarly to FIG. In this embodiment as well, as in the previous embodiments, the handling liquid is surely prevented from entering the sealing surface of the mechanical seal 12.
【００１４】[0014]
【発明の効果】本発明は、以上説明したように構成され
ているので、微圧気体噴流により泡が多量に含まれてい
るが発泡性に強い取扱液が軸受部の隙間に侵入するのを
確実に阻止し、シール不良を防止して有効な脱気効果を
得ることができる。EFFECTS OF THE INVENTION Since the present invention is constructed as described above, the handling liquid, which contains a large amount of bubbles due to the slight pressure gas jet, but has a strong foaming property, does not enter the gap of the bearing portion. It is possible to surely prevent it, prevent defective sealing, and obtain an effective degassing effect.
【図１】本発明の一実施例を示す連続脱気装置の側断面
図。FIG. 1 is a side sectional view of a continuous deaerator showing an embodiment of the present invention.
【図２】本発明の他の実施例を示す連続脱気装置の側断
面図。FIG. 2 is a side sectional view of a continuous deaerator showing another embodiment of the present invention.
Ｃ・・・微小隙間 Ｊ・・・微圧気体噴流 １・・・蓋 ２・・・真空容器 ３・・・仕切体 ４・・・軸受ケース ４ａ、１１ａ・・・通路 ５、５ａ・・・回転軸 ６、６ａ、６ｂ・・・軸受 ７・・・回転ふるい ８・・・カバー ９・・・配管 １０・・・軸受ケーシング １１・・・シールカバー １２・・・メカニカルシール ２０・・・駆動機 ２１・・・出力軸 ２２・・・回転筒 ２３・・・マグネットカップリング ２４・・・カップリング ２５・・・真空用配管 ２６・・・取扱液供給管 C ... Micro gap J ... Micro pressure gas jet 1 ... Lid 2 ... Vacuum container 3 ... Partition body 4 ... Bearing case 4a, 11a ... Passage 5, 5a ... Rotating shafts 6, 6a, 6b ... Bearings 7 ... Rotating sieve 8 ... Cover 9 ... Piping 10 ... Bearing casing 11 ... Seal cover 12 ... Mechanical seal 20 ... Drive Machine 21 ... Output shaft 22 ... Rotating cylinder 23 ... Magnet coupling 24 ... Coupling 25 ... Vacuum piping 26 ... Handling liquid supply pipe
Claims (2)
遠心力により取扱液を加速して該取扱液中の気体を除去
する連続脱気装置において、駆動機の取付台の内側に該
駆動機の回転軸側と前記ふるい体とを連結するマグネッ
トカップリングを設け、前記回転軸用の軸受ケース下部
に該回転軸と微小隙間を有するカバーを設け、該カバー
内を前記真空容器外の微圧気体供給源に接続したことを
特徴とする連続脱気装置の軸受部隙間への取扱液侵入防
止装置。1. A continuous degassing apparatus for accelerating a handling liquid by a centrifugal force of a bottomed sieving body rotating in a vacuum container to remove gas in the handling liquid, wherein A magnet coupling that connects the rotary shaft side of the drive machine and the sieve body is provided, a cover having a minute gap with the rotary shaft is provided at the lower part of the bearing case for the rotary shaft, and the inside of the cover is provided outside the vacuum container. A device for preventing the intrusion of the handling liquid into the bearing gap of the continuous deaerator, which is connected to a slight pressure gas supply source.
遠心力により取扱液を加速して該取扱液中の気体を除去
する連続脱気装置において、駆動機の回転軸用の軸受ケ
ーシングの内側に軸封装置を設け、該軸受ケーシングの
下部に前記回転軸と微小隙間を有するカバーを設け、該
カバー内を前記真空容器外の微圧気体供給源に接続した
ことを特徴とする連続脱気装置の軸受部隙間への取扱液
侵入防止装置。2. A bearing casing for a rotary shaft of a driving machine in a continuous deaerator for accelerating a handling liquid by a centrifugal force of a bottomed sieving body rotating in a vacuum container to remove gas in the handling liquid. A shaft sealing device is provided inside the bearing casing, a cover having a minute gap with the rotating shaft is provided in the lower portion of the bearing casing, and the inside of the cover is connected to a slight pressure gas supply source outside the vacuum container. A device for preventing handling liquid from entering the bearing gap of the deaerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00557194A JP3526069B2 (en) | 1994-01-24 | 1994-01-24 | A device to prevent the handling liquid from entering the bearing gap of the continuous deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00557194A JP3526069B2 (en) | 1994-01-24 | 1994-01-24 | A device to prevent the handling liquid from entering the bearing gap of the continuous deaerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07208375A true JPH07208375A (en) | 1995-08-08 |
| JP3526069B2 JP3526069B2 (en) | 2004-05-10 |
Family
ID=11614911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00557194A Expired - Fee Related JP3526069B2 (en) | 1994-01-24 | 1994-01-24 | A device to prevent the handling liquid from entering the bearing gap of the continuous deaerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3526069B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003080114A (en) * | 2001-09-07 | 2003-03-18 | Ihi Aerospace Co Ltd | Gas-liquid centrifuge |
| WO2020208724A1 (en) | 2019-04-09 | 2020-10-15 | エム・テクニック株式会社 | Vacuum deaerator with refining device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6369505U (en) * | 1986-10-24 | 1988-05-10 | ||
| JPS63151308A (en) * | 1986-12-17 | 1988-06-23 | Ebara Corp | Continuous degassing apparatus |
| JPH01141277A (en) * | 1987-11-25 | 1989-06-02 | Hitachi Ltd | Shaft sealing device for vacuum pump |
| JPH07136406A (en) * | 1993-11-12 | 1995-05-30 | Ebara Corp | Continuous degassing apparatus |
-
1994
- 1994-01-24 JP JP00557194A patent/JP3526069B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6369505U (en) * | 1986-10-24 | 1988-05-10 | ||
| JPS63151308A (en) * | 1986-12-17 | 1988-06-23 | Ebara Corp | Continuous degassing apparatus |
| JPH01141277A (en) * | 1987-11-25 | 1989-06-02 | Hitachi Ltd | Shaft sealing device for vacuum pump |
| JPH07136406A (en) * | 1993-11-12 | 1995-05-30 | Ebara Corp | Continuous degassing apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003080114A (en) * | 2001-09-07 | 2003-03-18 | Ihi Aerospace Co Ltd | Gas-liquid centrifuge |
| JP4662223B2 (en) * | 2001-09-07 | 2011-03-30 | 株式会社Ｉｈｉエアロスペース | Gas-liquid centrifuge |
| WO2020208724A1 (en) | 2019-04-09 | 2020-10-15 | エム・テクニック株式会社 | Vacuum deaerator with refining device |
| KR20210142653A (en) | 2019-04-09 | 2021-11-25 | 엠. 테크닉 가부시키가이샤 | Vacuum deaerator with micronizer attached |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3526069B2 (en) | 2004-05-10 |
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