JPH05106548A - Compression air storage system - Google Patents
Compression air storage systemInfo
- Publication number
- JPH05106548A JPH05106548A JP3233982A JP23398291A JPH05106548A JP H05106548 A JPH05106548 A JP H05106548A JP 3233982 A JP3233982 A JP 3233982A JP 23398291 A JP23398291 A JP 23398291A JP H05106548 A JPH05106548 A JP H05106548A
- Authority
- JP
- Japan
- Prior art keywords
- compressed air
- air
- water
- compression air
- tank
- 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
- 230000006835 compression Effects 0.000 title abstract 8
- 238000007906 compression Methods 0.000 title abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000011084 recovery Methods 0.000 claims description 7
- 235000019993 champagne Nutrition 0.000 abstract description 5
- 210000003437 trachea Anatomy 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005514 two-phase flow Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、圧縮空気を所定の圧力
に保持した状態で貯蔵する圧縮空気貯蔵システムに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compressed air storage system for storing compressed air while maintaining it at a predetermined pressure.
【０００２】[0002]
【従来の技術】定圧方式圧力タンクを用いたＣＡＥＳ
（圧縮空気エネルギー貯蔵）では、空気の貯蔵過程にお
いて、水を高位置の貯水池に戻す際に、シャンペン現象
が発生する。即ち、配管中を水が上昇して圧力が低下す
ると、水に溶け込んでいた空気が気泡となって発生し、
上昇するに従って、気泡の体積が増加する。そして、極
端な場合には、二相流としての平行が破れ、空気が急激
に吹き出すことがある。CAES using a constant pressure type pressure tank
In (compressed air energy storage), a champagne phenomenon occurs when returning water to a high-level reservoir in the process of storing air. That is, when water rises in the pipe and the pressure drops, the air dissolved in the water becomes bubbles,
The bubble volume increases as it rises. Then, in an extreme case, the parallelism as the two-phase flow may be broken and the air may suddenly blow out.
【０００３】[0003]
【発明が解決しようとする課題】上述のようなシャンペ
ン現象が発生すると、配管の水の疎通能力が減少する。
これを避けるために、配管径を大きくすることが考えら
れるが、不経済である。また、シャンペン現象におい
て、水に溶け込んでいた空気（圧縮空気）が大気中に放
出されるということは、エネルギーの損失である。When the above-described champagne phenomenon occurs, the water communication capacity of the pipe is reduced.
In order to avoid this, it is possible to increase the pipe diameter, but this is uneconomical. Further, in the champagne phenomenon, the fact that air (compressed air) dissolved in water is released into the atmosphere is a loss of energy.
【０００４】本発明は、上記事情に鑑み、シャンペン現
象を回避して、経済的な圧縮空気貯蔵システムを提供す
ることを目的とする。In view of the above circumstances, it is an object of the present invention to avoid the champagne phenomenon and provide an economical compressed air storage system.
【０００５】[0005]
【課題を解決するための手段】本発明は、圧縮空気貯蔵
手段（２）を、圧縮空気利用装置（１５）と接続した形
で設け、貯水手段（２１）を、水管（７、９）によって
前記圧縮空気貯蔵手段（２）と接続した形で、前記圧縮
空気貯蔵手段（２）に対して高位置に設置した形で設
け、前記水管（７、９）の途中に、空気回収手段（５）
を、前記圧縮空気利用装置（１５）と接続した形で設け
て構成される。The present invention provides a compressed air storage means (2) connected to a compressed air utilization device (15), and a water storage means (21) by means of water pipes (7, 9). The compressed air storage means (2) is connected to the compressed air storage means (2) at a higher position than the compressed air storage means (2), and the air recovery means (5) is provided in the middle of the water pipes (7, 9). )
Is connected to the compressed air utilization device (15).
【０００６】なお、（ ）内の番号等は、図面における
対応する要素を示す、便宜的なものであり、従って、本
記述は図面上の記載に限定拘束されるものではない。以
下の「作用」の欄についても同様である。The numbers in parentheses () indicate the corresponding elements in the drawings for the sake of convenience, and therefore the present description is not limited to the description in the drawings. The same applies to the column of "action" below.
【０００７】[0007]
【作用】上記した構成により、水管（７、９）中で発生
した気泡が、空気回収手段（５）によって回収されるよ
うに作用する。With the above-mentioned structure, the air bubbles generated in the water pipes (7, 9) act so as to be recovered by the air recovery means (5).
【０００８】[0008]
【実施例】以下、図面に基づき、本発明の実施例を説明
する。図１は、本発明による圧縮空気貯蔵システムの一
実施例を示す模式図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic diagram showing an embodiment of a compressed air storage system according to the present invention.
【０００９】圧縮空気貯蔵システム１には、図１に示す
ように、圧気タンク２と、空気トラップ５が設けられて
いる。そして、圧気タンク２は、地下６００ｍ程度の位
置に設置されており、空気トラップ５は、圧気タンク２
と地上２０間の所定の位置（深度）に設置されている。As shown in FIG. 1, the compressed air storage system 1 is provided with a compressed air tank 2 and an air trap 5. The air pressure tank 2 is installed at a position of about 600 m underground, and the air trap 5 is installed in the air pressure tank 2
It is installed at a predetermined position (depth) between the ground and the ground 20.
【００１０】圧気タンク２の図中上部には、気管３が接
続されており、気管３は、図中上方に略垂直に伸延した
形で、地上２０の発電所等のガスタービン１５に接続さ
れている。また、空気トラップ５の図中上部には、気管
６が接続されており、気管６は、図中上方に略垂直に伸
延した形で、ガスタービン１５に接続されている。A trachea 3 is connected to the upper portion of the compressed air tank 2 in the figure, and the trachea 3 is extended substantially vertically upward in the figure and is connected to a gas turbine 15 such as a power plant on the ground 20. ing. Further, a trachea 6 is connected to the upper portion of the air trap 5 in the figure, and the trachea 6 is connected to the gas turbine 15 in a form extending substantially vertically upward in the figure.
【００１１】そして、圧気タンク２の図中下部には、水
管７が接続されており、水管７は、図中上方に略垂直に
伸延した形で、空気トラップ５の図中下部に接続されて
いる。空気トラップ５の図中下部には、更に、水管９が
接続されており、水管９は、図中上方に略垂直に伸延し
た形で、地上２０の貯水池２１に接続されている。A water pipe 7 is connected to the lower part of the pressure air tank 2 in the drawing, and the water pipe 7 is connected to the lower part of the air trap 5 in the form of extending substantially vertically upward in the drawing. There is. A water pipe 9 is further connected to the lower portion of the air trap 5 in the drawing, and the water pipe 9 is connected to a reservoir 21 on the ground 20 in a form extending substantially vertically upward in the drawing.
【００１２】即ち、圧縮空気貯蔵システム１には、圧気
タンク２と貯水池２１を接続する水管７、９の途中に、
空気トラップ５が設けられている。尚、図１において
は、１つの空気トラップ５が示されているが、複数の空
気トラップ５を、それぞれ、所定の位置（深度）に設け
るようにしてもよい。That is, in the compressed air storage system 1, in the middle of the water pipes 7 and 9 connecting the compressed air tank 2 and the reservoir 21,
An air trap 5 is provided. Although one air trap 5 is shown in FIG. 1, a plurality of air traps 5 may be provided at predetermined positions (depths).
【００１３】圧縮空気貯蔵システム１は、以上のような
構成を有するので、圧気タンク２内の圧縮空気３０は、
貯水池２１の水４０によって、圧気タンク２の深度に対
応した所定の圧力で一定に保持された状態で貯蔵され
る。この際、圧気タンク２内の水４０には、高圧のた
め、圧縮空気３０が、多量に溶け込んだ状態となってい
る。Since the compressed air storage system 1 has the above structure, the compressed air 30 in the compressed air tank 2 is
The water 40 in the reservoir 21 stores the water at a predetermined pressure corresponding to the depth of the compressed air tank 2 while keeping the pressure constant. At this time, due to the high pressure, the compressed air 30 is dissolved in a large amount in the water 40 in the compressed air tank 2.
【００１４】そして、圧気タンク２内に圧縮空気３０を
貯蔵する際には、地上２０のガスタービン１５から、圧
縮空気３０を、気管３を介して圧気タンク２に供給す
る。すると、圧気タンク２内の水４０は、供給された圧
縮空気３０によって押し出される形で、水管７を介し
て、空気トラップ５へ移動（上昇）し、更に、水管９を
介して、地上２０の貯水池２１へ移動（上昇）する。When the compressed air 30 is stored in the compressed air tank 2, the compressed air 30 is supplied from the gas turbine 15 on the ground 20 to the compressed air tank 2 through the trachea 3. Then, the water 40 in the compressed air tank 2 is moved (raised) to the air trap 5 via the water pipe 7 in a form of being pushed out by the supplied compressed air 30, and further to the ground 20 via the water pipe 9. Move (raise) to reservoir 21.
【００１５】水４０が圧気タンク２から空気トラップ５
へ上昇する際には、圧力が低下するので、水管７内にお
いて、水４０に溶け込んでいた圧縮空気３０が、気泡と
なって出現する。そして、水管７内で出現した圧縮空気
３０は、空気トラップ５の図中上部に収集される。Water 40 flows from the pressure tank 2 into the air trap 5
When the temperature rises to, the pressure decreases, so that the compressed air 30 dissolved in the water 40 appears as bubbles in the water pipe 7. The compressed air 30 appearing in the water pipe 7 is collected in the upper part of the air trap 5 in the figure.
【００１６】即ち、水管７内で出現した気泡（圧縮空気
３０）は、水管９側には移動しないので、気泡によっ
て、水管９の水４０の疎通能力が減少することを、回避
することが出来る。従って、水管７、９の配管径を小さ
くすることが出来るので、経済的である。That is, since the bubbles (compressed air 30) appearing in the water pipe 7 do not move to the water pipe 9 side, it is possible to avoid the reduction of the water 40 communication capacity of the water pipe 9 due to the bubbles. . Therefore, the pipe diameters of the water pipes 7 and 9 can be reduced, which is economical.
【００１７】また、空気トラップ５によって回収された
圧縮空気３０（気泡）は、気管６を介して、適宜、ガス
タービン１５の中圧段に利用される。即ち、水４０に溶
解した圧縮空気３０が大気中に放出されることによる、
エネルギーの損失を最小限にすることが出来る。The compressed air 30 (air bubbles) collected by the air trap 5 is appropriately used for the intermediate pressure stage of the gas turbine 15 via the trachea 6. That is, the compressed air 30 dissolved in the water 40 is released into the atmosphere,
Energy loss can be minimized.
【００１８】尚、空気トラップ５を複数個設置して、水
４０に溶解した圧縮空気３０を、できるだけ圧力の高い
状態で回収すると、非常に効率的である。It is very efficient to install a plurality of air traps 5 and collect the compressed air 30 dissolved in the water 40 at a pressure as high as possible.
【００１９】[0019]
【発明の効果】以上、説明したように、本発明によれ
ば、圧気タンク２等の圧縮空気貯蔵手段を、ガスタービ
ン１５等の圧縮空気利用装置と接続した形で設け、貯水
池２１等の貯水手段を、水管７、９によって前記圧縮空
気貯蔵手段と接続した形で、前記圧縮空気貯蔵手段に対
して高位置に設置した形で設け、前記水管７、９の途中
に、空気トラップ５等の空気回収手段を、前記圧縮空気
利用装置と接続した形で設けて構成したので、水管７、
９中で発生した気泡（圧縮空気３０）を、空気回収手段
によって回収することが出来る。従って、水管７、９の
径を小さくすることが出来るので経済的である。また、
空気回収手段によって回収した圧縮空気３０（気泡）
を、利用することが出来るので、エネルギーの損失を最
小限にすることが出来る。As described above, according to the present invention, the compressed air storage means such as the compressed air tank 2 is provided so as to be connected to the compressed air utilizing device such as the gas turbine 15 and the water storage such as the reservoir 21 is provided. The means is provided in a form of being connected to the compressed air storage means by water pipes 7 and 9 and installed at a high position with respect to the compressed air storage means, and in the middle of the water pipes 7 and 9, an air trap 5 or the like. Since the air recovery means is provided by being connected to the compressed air utilization device, the water pipe 7,
The bubbles (compressed air 30) generated in 9 can be recovered by the air recovery means. Therefore, the diameters of the water pipes 7 and 9 can be reduced, which is economical. Also,
Compressed air 30 (air bubbles) recovered by the air recovery means
Can be used, and energy loss can be minimized.
【図１】本発明による圧縮空気貯蔵システムの一実施例
を示す模式図である。FIG. 1 is a schematic view showing an embodiment of a compressed air storage system according to the present invention.
１……圧縮空気貯蔵システム ２……圧縮空気貯蔵手段（圧気タンク） ５……空気回収手段（空気トラップ） ７……水管 ９……水管 １５……圧縮空気利用装置（ガスタービン） ２１……貯水手段（貯水池） 1 ... Compressed air storage system 2 ... Compressed air storage means (compressed air tank) 5 ... Air recovery means (air trap) 7 ... Water pipe 9 ... Water pipe 15 ... Compressed air utilization device (gas turbine) 21 ... Reservoir means (reservoir)
Claims (1)
接続した形で設け、 貯水手段を、水管によって前記圧縮空気貯蔵手段と接続
した形で、前記圧縮空気貯蔵手段に対して高位置に設置
した形で設け、 前記水管の途中に、空気回収手段を、前記圧縮空気利用
装置と接続した形で設けて構成した圧縮空気貯蔵システ
ム。1. A compressed air storage means is provided in a form connected to a compressed air utilization device, and a water storage means is connected to said compressed air storage means by a water pipe, and is located at a high position with respect to said compressed air storage means. A compressed air storage system, which is provided in the form of being installed, and in the middle of the water pipe, an air recovery means being provided in a form of being connected to the device for utilizing compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3233982A JPH05106548A (en) | 1991-08-21 | 1991-08-21 | Compression air storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3233982A JPH05106548A (en) | 1991-08-21 | 1991-08-21 | Compression air storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05106548A true JPH05106548A (en) | 1993-04-27 |
Family
ID=16963684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3233982A Pending JPH05106548A (en) | 1991-08-21 | 1991-08-21 | Compression air storage system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05106548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010501776A (en) * | 2006-08-21 | 2010-01-21 | 韓国機械研究院 | Compressed air storage power generation system and power generation method using compressed air storage power generation system |
-
1991
- 1991-08-21 JP JP3233982A patent/JPH05106548A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010501776A (en) * | 2006-08-21 | 2010-01-21 | 韓国機械研究院 | Compressed air storage power generation system and power generation method using compressed air storage power generation system |
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