JPH02207199A - Shaft section cooling mechanism for ceramic fan - Google Patents
Shaft section cooling mechanism for ceramic fanInfo
- Publication number
- JPH02207199A JPH02207199A JP2634089A JP2634089A JPH02207199A JP H02207199 A JPH02207199 A JP H02207199A JP 2634089 A JP2634089 A JP 2634089A JP 2634089 A JP2634089 A JP 2634089A JP H02207199 A JPH02207199 A JP H02207199A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- fan
- ceramic
- shaft section
- cooling fan
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 239000000919 ceramic Substances 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、金属軸部に取付けた金属インペラーにおけ
る金属軸部の加熱によるモータ加熱を防止するための軸
部冷却機構に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a shaft cooling mechanism for preventing motor heating due to heating of the metal shaft in a metal impeller attached to the metal shaft.
く従来の技術とその課題〉
第2図に示すように、従来、金属軸部2にセラミックス
インペラー1を取付けたセラミックスファンにおいて、
モータによる回転駆動時の金属軸部2および主軸4の加
熱に対しては軸受部8を水冷却していた。Conventional techniques and their problems> As shown in Fig. 2, conventionally, in a ceramic fan in which a ceramic impeller 1 is attached to a metal shaft portion 2,
The bearing portion 8 was cooled with water to prevent heating of the metal shaft portion 2 and the main shaft 4 during rotational driving by the motor.
しかしながら、水冷却では冷却部の錆びやそれによる詰
まりを生じることや、水冷却のための機構を必要とし、
装置全体が複雑な構成とならざるを得ない。However, with water cooling, the cooling part may rust and become clogged, and a mechanism for water cooling is required.
The entire device has to have a complicated configuration.
また、冷却をしない場合はシャフト加熱のため使用温度
を300℃以下に制限する必要があった。In addition, when cooling is not performed, it is necessary to limit the operating temperature to 300° C. or lower due to shaft heating.
特にこのセラミックスファンは400℃以上、700℃
までの高温ガスの搬送、循環、撹拌に用いられる。例え
ば、塗装品の乾燥炉内の撹拌や排ガス、廃ガス、特に腐
食性ガスおよび腐食性液体の排出や撹拌用ポンプのファ
ンとして用いられる。Especially this ceramic fan is over 400℃, 700℃
Used for transporting, circulating, and stirring high-temperature gas. For example, it is used as a fan for stirring pumps for agitating paint drying ovens, discharging exhaust gases, waste gases, especially corrosive gases and corrosive liquids, and stirring pumps.
このため、水冷却に代る冷却機構が必要である。Therefore, a cooling mechanism that replaces water cooling is required.
く課題を解決するための手段〉
本発明者らは上記に鑑みて水冷却に代る冷却機構につい
て検討した結果、この発明に至ったものである。Means for Solving the Problems> In view of the above, the present inventors have studied a cooling mechanism to replace water cooling, and as a result, have arrived at the present invention.
即ち、この発明は金属軸部に取付けたセラミックスイン
ペラーと主軸モータとよりなるセラミックスファンにお
いて、主軸モータ後部に該モータ冷却用の冷却ファンを
設けると共に該モータのインペラー側に補助冷却ファン
を設けたセラミックスファンの軸部冷却機構を提供する
ものである。That is, the present invention relates to a ceramic fan consisting of a ceramic impeller attached to a metal shaft and a main shaft motor, in which a cooling fan for cooling the motor is provided at the rear of the main shaft motor, and an auxiliary cooling fan is provided on the impeller side of the motor. This provides a fan shaft cooling mechanism.
く作用〉
この発明をその一実施例を示す第1図により説明すると
、1は金属軸部2に取付けられたセラミックスインペラ
ーであり、3がモータである。また4は主軸、5はケー
シング支持金属である。そして6はモータ3の後部に取
付けたモータ冷却用ファンであり、7は補助ファンであ
る。Function> This invention will be explained with reference to FIG. 1 showing one embodiment thereof. Reference numeral 1 represents a ceramic impeller attached to a metal shaft portion 2, and 3 represents a motor. Further, 4 is a main shaft, and 5 is a casing support metal. 6 is a motor cooling fan attached to the rear of the motor 3, and 7 is an auxiliary fan.
以上の構成からなるこの発明の軸部冷却機構によれば、
セラミックスファン稼動時のモータ3の加熱はモータ冷
却用ファン6によって冷却し、金属軸部2の加熱につい
てはセラミックスインペラー1の内側に設けた補助ファ
ン7によって冷却を行なうことによって空気の循環をよ
くすることができる。According to the shaft cooling mechanism of the present invention having the above configuration,
When the ceramic fan is in operation, the heating of the motor 3 is cooled by a motor cooling fan 6, and the heating of the metal shaft portion 2 is cooled by an auxiliary fan 7 provided inside the ceramic impeller 1, thereby improving air circulation. be able to.
この発明になるセラミックスファン軸部のファン冷却と
従来の水冷却との効果の相違をセラミックスファン各部
の温度測定にて示すと、第3図の通りであり、この発明
の効果が顕著であることが認められた。The difference in effect between fan cooling of the ceramic fan shaft according to the present invention and conventional water cooling is shown by temperature measurements of various parts of the ceramic fan, as shown in Figure 3, and the effect of the present invention is remarkable. was recognized.
なお、温度測定した部位はファンケーシング9、ケーシ
ング側板lO、ケーシング支持金具5、モータベアリン
グケース11、モータ3である。The temperature was measured at the fan casing 9, the casing side plate lO, the casing support fitting 5, the motor bearing case 11, and the motor 3.
第3図の横軸に示す数字は、これらの測定部位を表わす
ものである。The numbers shown on the horizontal axis of FIG. 3 represent these measurement sites.
〈発明の効果〉
上気したように、この発明はモータ冷却用ファンと補助
ファンを取付けたセラミックスファンの軸部冷却機構で
あって、これにより、400〜700℃の高温ガスの搬
送、循環、撹拌にこの種セラミックスファンを用いた場
合でも簡単に金属軸部の冷却を行なうことができるので
高温での連続駆動が可能となるのである。<Effects of the Invention> As mentioned above, the present invention is a shaft cooling mechanism for a ceramic fan equipped with a motor cooling fan and an auxiliary fan, which can convey, circulate, and transport high-temperature gas of 400 to 700°C. Even when this type of ceramic fan is used for stirring, the metal shaft can be easily cooled, allowing continuous operation at high temperatures.
第1図はこの発明のセラミックスファンの軸部冷却機構
を示す説明図、第2図は従来の水冷却機構を示す説明図
、第3図はこの発明の冷却機構と従来の水冷却機構の効
果の相違をセラミックスファンの各部位の温度の差異に
て示した図表である。
1・・・セラミックスインペラー
2・・・金属軸部 3・・・モータ4・・・主軸
6・・・モータ冷却用ファン7・・・補助ファ
ンFig. 1 is an explanatory diagram showing the shaft cooling mechanism of the ceramic fan of the present invention, Fig. 2 is an explanatory diagram showing the conventional water cooling mechanism, and Fig. 3 is the effect of the cooling mechanism of the present invention and the conventional water cooling mechanism. 2 is a chart showing the difference in temperature of each part of the ceramic fan. 1... Ceramic impeller 2... Metal shaft portion 3... Motor 4... Main shaft
6...Motor cooling fan 7...Auxiliary fan
Claims (1)
タとよりなるセラミックスファンにおいて、主軸モータ
後部に該モータ冷却用の冷却ファンを設けると共に、該
モータのインペラー側に補助冷却ファンを設けたことを
特徴とするセラ・ミックスファンの軸部冷却機構。A ceramic fan comprising a ceramic impeller attached to a metal shaft and a main shaft motor, characterized in that a cooling fan for cooling the motor is provided at the rear of the main shaft motor, and an auxiliary cooling fan is provided on the impeller side of the motor. Shaft cooling mechanism of ceramic mix fan.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2634089A JPH02207199A (en) | 1989-02-03 | 1989-02-03 | Shaft section cooling mechanism for ceramic fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2634089A JPH02207199A (en) | 1989-02-03 | 1989-02-03 | Shaft section cooling mechanism for ceramic fan |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02207199A true JPH02207199A (en) | 1990-08-16 |
Family
ID=12190709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2634089A Pending JPH02207199A (en) | 1989-02-03 | 1989-02-03 | Shaft section cooling mechanism for ceramic fan |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02207199A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08277800A (en) * | 1995-04-05 | 1996-10-22 | Toho Eng Kk | Centrifugal blower |
JP2015078658A (en) * | 2013-10-17 | 2015-04-23 | フルタ電機株式会社 | Blower |
JP2017166330A (en) * | 2016-03-14 | 2017-09-21 | 株式会社Ihi | Centrifugal fluid machine, centrifugal blower, and centrifugal compressor |
US11261879B2 (en) | 2017-09-05 | 2022-03-01 | Ihi Corporation | Fluid machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62142900A (en) * | 1985-12-17 | 1987-06-26 | Matsushita Electric Ind Co Ltd | Fan for combustion |
JPS63205500A (en) * | 1987-02-23 | 1988-08-24 | Mitsubishi Heavy Ind Ltd | Ceramics fan |
-
1989
- 1989-02-03 JP JP2634089A patent/JPH02207199A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62142900A (en) * | 1985-12-17 | 1987-06-26 | Matsushita Electric Ind Co Ltd | Fan for combustion |
JPS63205500A (en) * | 1987-02-23 | 1988-08-24 | Mitsubishi Heavy Ind Ltd | Ceramics fan |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08277800A (en) * | 1995-04-05 | 1996-10-22 | Toho Eng Kk | Centrifugal blower |
JP2015078658A (en) * | 2013-10-17 | 2015-04-23 | フルタ電機株式会社 | Blower |
JP2017166330A (en) * | 2016-03-14 | 2017-09-21 | 株式会社Ihi | Centrifugal fluid machine, centrifugal blower, and centrifugal compressor |
US11261879B2 (en) | 2017-09-05 | 2022-03-01 | Ihi Corporation | Fluid machine |
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