JP3520216B2 - Method of preventing eutrophication of lakes with power generation function - Google Patents
Method of preventing eutrophication of lakes with power generation functionInfo
- Publication number
- JP3520216B2 JP3520216B2 JP04836799A JP4836799A JP3520216B2 JP 3520216 B2 JP3520216 B2 JP 3520216B2 JP 04836799 A JP04836799 A JP 04836799A JP 4836799 A JP4836799 A JP 4836799A JP 3520216 B2 JP3520216 B2 JP 3520216B2
- Authority
- JP
- Japan
- Prior art keywords
- eutrophication
- lake
- lakes
- water
- power generation
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/70—Waterborne solar heat collector modules
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、湖沼の水質を改善
するために該湖沼の水の富栄養化を防止できると共に太
陽光を利用して発電をも行うことのできる発電機能を有
する水質改善方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water quality improvement having a power generation function capable of preventing eutrophication of water in a lake to improve the water quality of the lake and also generating electricity using sunlight. It is about the method.
【０００２】[0002]
【従来の技術】近時、湖沼においては、着生藻類やアオ
コなどの浮遊藻類が繁殖してその水質が悪化され、水
道，観光，レクリエーションなどに支障を来たしている
ことが広く知られており、特に、アオコの発生による水
の汚染が問題となっているが、それらの原因として、湖
沼の富栄養化にあることが指摘されている。即ち、湖沼
が富栄養化すると、糸状藻類などの着生藻類やアオコな
どの浮遊藻類が激増して湖沼の生態系が変化するからで
ある。2. Description of the Related Art Recently, in lakes and marshes, it is widely known that epiphytic algae and floating algae such as blue-green algae breed and their water quality deteriorates, which causes troubles in water supply, tourism, recreation and the like. It has been pointed out that the pollution of water due to the occurrence of water-bloom has become a problem, and that the cause thereof is eutrophication of lakes. That is, when a lake is eutrophicated, epiphytes such as filamentous algae and floating algae such as blue-green algae increase drastically and the ecosystem of the lake changes.
【０００３】而して、湖沼の水質を改善する方法として
は、従来、種々の方法が提案され、実用に供されている
ものもあるが、未だ、充分に満足すべき効果を挙げてい
る方法は殆どない。As a method for improving the water quality of lakes and marshes, various methods have heretofore been proposed and some have been put to practical use. However, methods which still have sufficiently satisfactory effects have been proposed. There is almost no.
【０００４】そこで、本発明の発明者は、先に、水質を
改善すべき湖沼等の水面の一部を所要遮光率で遮蔽する
ことにより湖沼の富栄養化を抑制し、藻類の増殖を抑え
て水質を改善する方法を発明し、本出願人により特許出
願中であるが、この先願発明において湖沼等の水面を遮
蔽する水質改善用遮光部材としては、適宜大きさの網状
部材の周縁等に浮体を取付けると共にその下部に着底用
重錘を装着した適宜数の索体を取付け、前記網状部材の
上面に光を遮蔽する光遮蔽部材を取付けたものなどが用
いられている。Therefore, the inventor of the present invention first suppresses eutrophication of a lake by suppressing a part of the water surface of the lake such as a lake where the water quality should be improved with a required shading rate, and suppresses the growth of algae. Inventing a method for improving water quality by applying the present invention, a patent is being applied for by the applicant of the present invention.In this prior invention, a water quality improving light-shielding member for shielding the water surface of a lake or the like is provided on the periphery of a mesh member having an appropriate size. For example, a floating body is attached, an appropriate number of ropes are attached to the bottom of the floating body, and a light shielding member for shielding light is attached to the upper surface of the mesh member.
【０００５】上記先願発明の方法及び水質改善用遮光部
材は、主として水深が５ｍ以下の比較的浅い小さい湖沼
の水面を所要遮光率で太陽光を遮蔽することに主眼が置
かれているため、遮光部材そのものは比較的小型のもの
が用いられるが、対象とする湖沼等の水質改善に役立っ
ている。Since the method and the light-shielding member for improving water quality of the above-mentioned prior invention are mainly focused on shielding the sunlight on the surface of a relatively small lake having a water depth of 5 m or less at a required light-shielding rate, Although the light-shielding member itself is relatively small, it is useful for improving the water quality of the target lakes and marshes.
【０００６】然し乍ら、その後の研究により、アオコな
どの浮遊藻類が発生するのは、深い湖沼であっても表層
の５〜６ｍであって、下層の水との混合は起こらないこ
と、従って、大きくて深い湖沼であっても所要遮光率に
より太陽光を遮蔽すれば、湖沼の富栄養化を防止できて
アオコなどの浮遊藻類やプランクトンの発生を抑制でき
ることが判明した。しかし、大きな湖沼において、上記
の方法を実施するには大量の遮光部材が必要となり、経
済的に問題がある。However, as a result of the subsequent research, floating algae such as blue-green algae are generated in the surface layer of 5 to 6 m even in a deep lake, and mixing with water in the lower layer does not occur. It was found that even in deep and deep lakes, if sunlight is blocked by the required shading rate, eutrophication of lakes can be prevented and floating algae such as water-bloom and plankton can be suppressed. However, in large lakes, a large amount of light shielding members are required to carry out the above method, which is economically problematic.
【０００７】そこで、本発明においては、遮光する太陽
光を利用することにより、経済性を高めるようにした。
即ち、太陽光はそのエネルギを電気エネルギに変換する
ことができるので、遮光部材として、太陽光エネルギを
電気エネルギに変換する大型の太陽光発電パネルを用い
れば、特に水深や大きさに関係なく、湖沼の水面を遮光
し、該湖沼の富栄養化を防止してアオコなどの浮遊藻類
の発生を抑制することにより、水質を改善できる上に、
太陽光発電パネルにより太陽光エネルギを電気エネルギ
に変換して、これを所要個所に送電したり、蓄電池に蓄
え、必要に応じて利用することが可能となるのである。Therefore, in the present invention, the economical efficiency is improved by utilizing the sunlight that is shielded from light.
That is, since sunlight can convert its energy into electric energy, if a large-scale photovoltaic power generation panel that converts sunlight energy into electric energy is used as a light-shielding member, regardless of water depth or size, By blocking the water surface of the lake, preventing eutrophication of the lake and suppressing the generation of floating algae such as water-bloom, water quality can be improved.
It is possible to convert solar energy into electric energy by a solar power generation panel, transmit the energy to a required place, store it in a storage battery, and use it as needed.
【０００８】[0008]
【発明が解決しようとする課題】本発明は上述のような
観点から、湖沼の深さや大きさに関係なく、該湖沼の水
質改善に用いて好適な上に太陽光エネルギを電気エネル
ギに変換して、電源としても使用できる発電機能を有す
る湖沼等の富栄養化防止方法を提供することを、その課
題とするものである。From the above viewpoint, the present invention is suitable for improving the water quality of a lake regardless of the depth and size of the lake, and also converts solar energy into electric energy. It is an object of the present invention to provide a method for preventing eutrophication of lakes and marshes having a power generation function that can also be used as a power source.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決すること
を目的としてなされた本発明水質改善発電方法の構成
は、富栄養化を防止すべき湖沼の水面に、表面に太陽光
発電パネルを設置した浮力性基板の複数個を浮上させて
連結すると共にその連結体の両側に移動防止用部材を垂
設し、湖沼の水面を遮光して当該湖沼の富栄養化を防止
する一方、前記太陽光発電パネルにおいて変換される電
気エネルギを電力会社に送電することを特徴とするもの
である。Means for Solving the Problems The configuration of the present invention to improve water quality electric power generation method has been made in order to solve the above problems, the water surface of the marsh lake should prevent eutrophication, the solar panels on the surface by floating the plurality of Installation buoyancy substrate
Connect and attach movement prevention members on both sides of the connection.
And setting, while preventing eutrophication of the lake in the dark water surface lakes, those characterized by transmitting the converted Ru electrodeposition <br/> gas energy into electric power company in the photovoltaic panel Is.
【００１０】[0010]
【発明の実施の形態】次に本発明の実施の形態例を図に
より説明する。図１は本発明の実施の一例の側面図、図
２は別例の斜視図、図３は本発明方法を実施している状
態の遠景図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a perspective view of another embodiment, and FIG. 3 is a perspective view of a state in which the method of the present invention is being carried out.
【００１１】図１において、1a〜1dは浮力性基板、２は
該浮力性基板1a〜1cの上面に適宜数設置した太陽光発電
パネル、３は浮力性基板1dの上面に配備し前記浮力性基
板1a〜1cに設置した太陽光発電パネル２が太陽光エネル
ギを変換した電気エネルギを蓄える蓄電器、４は太陽光
発電パネル２と蓄電器３を結ぶ配線で、上記浮力性基板
1a〜1dを連結固定し、両側の浮力性基板1a，1dの下部外
側に移動防止用の重錘ＷやアンカーＡを鋼索５等を介し
て取付け、該重錘ＷやアンカーＡを湖Ｌの底に着床させ
て、浮力性基板1a〜1dの連結体が大きく移動するのを防
止するようにしてあり、以上により本発明方法を実施す
る装置の一例を構成する。なお、上記例においては、浮
力性基板を４個用いたが、その数はこれに限られないこ
と勿論である。In FIG. 1, 1a to 1d are buoyant substrates, 2 are photovoltaic panels appropriately installed on the upper surfaces of the buoyant substrates 1a to 1c, and 3 are provided on the upper surface of the buoyant substrate 1d. A solar battery panel 2 installed on the substrates 1a to 1c stores electric energy converted from solar energy, and a storage battery 4 connects the solar power generation panel 2 and the storage battery 3.
1a to 1d are connected and fixed, and a weight W or an anchor A for preventing movement is attached to the outside of the lower part of the buoyant substrates 1a and 1d on both sides via a steel rope 5 or the like, and the weight W or anchor A is attached to the lake L. It is made to land on the bottom so as to prevent the connected body of the buoyant substrates 1a to 1d from largely moving, and thus constitutes one example of the apparatus for carrying out the method of the present invention. Although four buoyancy substrates are used in the above example, the number is not limited to this.
【００１２】上記のように構成される装置は、これを水
の富栄養化を防止すべき湖Ｌ上に所要の遮光率を得られ
るだけ浮上配備しておけば、湖Ｌの水面が遮光されて水
の富栄養化を防止し、アオコやプランクトンなどの浮遊
藻類の発生を抑制して水質を改善することができるばか
りでなく、太陽光発電パネル２が太陽光エネルギを電気
エネルギに変換し、この電気エネルギを配線４を通して
蓄電器３に蓄えることができる。そして、蓄電器３に蓄
えられた電気エネルギは、湖水浄化施設におけるエアレ
イションに用いたり、噴水などの環境美化施設における
夜間照明などに用いることが可能である。In the apparatus constructed as described above, the surface of the water of the lake L is shielded from light if it is floated on the lake L to prevent eutrophication of water so as to obtain a required shading rate. Not only to prevent eutrophication of water and suppress the generation of floating algae such as water-bloom and plankton to improve water quality, but also the photovoltaic panel 2 converts solar energy into electric energy, This electric energy can be stored in the storage battery 3 through the wiring 4. The electric energy stored in the battery 3 can be used for air laying in a lake water purification facility, or for night lighting in an environmental beautification facility such as a fountain.
【００１３】また、図２に示すものは、浮力性基板１に
大型のものを用い、大量の電気エネルギを得られるよう
にしたもので、浮力性基板１の大きさは矩形状等でその
上面に太陽光発電パネル２を配備すると共に外周縁部に
は人が釣り等を楽しむことのできるスペース11を有する
浮島状とし、その湖Ｌの護岸LA側に固定壁12を突設して
該固定壁12から湖底に位置固定杭６を打ち込んで浮力性
基板１を回転可能に固定してあり、この浮力性基板１の
適宜数をそれらの湖Ｌ側をロープ等の連結索７を介し適
宜間隔を置いて連結する一方、前記連結索７の両端部を
方向制御装置８に接続関連させて、太陽光発電パネル２
が適切な太陽光の向きに向くように制御できるようにな
っている。９は各太陽光発電パネル２の出力側に連結し
た集電用ケーブルで、この集電用ケーブル９の適宜の個
所に送電線を10を接続し、電力会社その他所要個所に送
電できるようになっている。なお、この例においては、
浮力性基板１を５個設置したが、その数は５個に限られ
ないこと、上記の例と同様である。Further, the one shown in FIG. 2 uses a large buoyancy substrate 1 so that a large amount of electric energy can be obtained. The buoyancy substrate 1 has a rectangular shape or the like and has an upper surface. A photovoltaic power generation panel 2 is provided in the area, and a floating island shape is formed with a space 11 on the outer peripheral edge where people can enjoy fishing and the like. The buoyancy substrate 1 is rotatably fixed by driving the position fixing piles 6 from the wall 12 to the lake bottom, and an appropriate number of the buoyancy substrates 1 are appropriately spaced on the lake L side via connecting ropes 7 such as ropes. While connecting the two ends of the connecting rope 7 to the direction control device 8, the solar power generation panel 2
Can be controlled to face the proper direction of sunlight. Reference numeral 9 is a power collection cable connected to the output side of each photovoltaic power generation panel 2. By connecting a power transmission line 10 to an appropriate location of this power collection cable 9, power can be transmitted to a power company or other required location. ing. In this example,
Although five buoyancy substrates 1 are installed, the number is not limited to five, as in the above example.
【００１４】上記のように構成される装置を水の富栄養
化を防止すべき湖Ｌ上に所要の遮光率を得られるだけ浮
上配備しておけば、湖Ｌの水面が遮光されて水の富栄養
化を防止し、アオコなどの浮遊藻類の発生を抑制して、
水質を改善することができるばかりでなく、太陽光発電
パネル２が太陽光エネルギを電気エネルギに変換して集
電用ケーブル９に出力し、この出力された電気エネルギ
を送電線10から電力会社その他所要の個所に送電するの
である。勿論、前例と同様に、蓄電器に蓄えておき、必
要に応じて送電するようにしてもよい。If the device constructed as described above is installed so as to float above the lake L where the eutrophication of water should be prevented, the water surface of the lake L is shielded from light and water is blocked. Prevents eutrophication, suppresses the generation of floating algae such as water-bloom,
Not only can the water quality be improved, the solar power generation panel 2 converts solar energy into electric energy and outputs the electric energy to the power collection cable 9, and the electric energy thus output is transmitted from the power transmission line 10 to a power company or the like. Power is transmitted to the required places. Of course, as in the previous example, the power may be stored in a power storage device and transmitted as needed.
【００１５】また、浮力性基板１は、上述のように、大
型で浮島状をなし、その外周縁部にスペース11を設けた
から、湖Ｌの護岸から離れた位置に浮上配備しておいて
も、人が舟により浮力性基板１上に渡ってこのスペース
11を利用できるので、釣りを楽しむようなことも可能で
ある。As described above, the buoyancy substrate 1 is large and has a floating island shape, and since the space 11 is provided on the outer peripheral edge of the buoyancy substrate 1, even if it is floated at a position away from the seawall of the lake L. , A person crosses over the buoyancy board 1 by a boat and this space
You can enjoy fishing because you can use 11.
【００１６】なお、本発明において、水の富栄養化を防
止するために湖沼等の水面を遮光する遮光率は、富栄養
化により発生，成育するアオコや藻類などの種類により
異なるので、湖沼ごとに適切な数値が適用される。In the present invention, the shading rate for shading the water surface of lakes and marshes to prevent water eutrophication varies depending on the types of water-blooms and algae that are generated and grown by eutrophication. Appropriate number is applied to.
【００１７】[0017]
【発明の効果】本発明は上述のとおりであって、富栄養
化を防止すべき湖沼等の水面に、表面に太陽光発電パネ
ルを適宜数設置した浮力性基板を所要数浮上させて前記
湖沼等の水面を遮光することによりその富栄養化を防止
すると共に、前記太陽光発電パネルにおいて変換された
電気エネルギを所要個所に送電するようにしたから、湖
沼等の富栄養化を防止してアオコなどの浮遊藻類の発生
を抑制しながら発電することができ、発電された電力は
電力会社に送電したり、湖水浄化施設や環境美化施設な
どに用いられるので、極めて便利であり、富栄養化防止
コストの低減を図ることができる。The present invention is as described above, and a buoyant substrate having an appropriate number of photovoltaic power generation panels installed on the surface of a water surface of a lake or the like where eutrophication is to be prevented is levitated and the lake is By preventing the eutrophication by shielding the water surface such as, and transmitting the electric energy converted in the solar power generation panel to the required place, it prevents the eutrophication of lakes and marsh. It is possible to generate electricity while suppressing the generation of floating algae, etc., and the generated electricity is transmitted to an electric power company and used for lake water purification facilities and environmental beautification facilities, so it is extremely convenient and prevents eutrophication. The cost can be reduced.
【００１８】また、表面に太陽光発電パネルを設置した
浮力性基板は、これを大型で浮島状に形成すると共にそ
の外周縁部に適宜のスペースを取るようにすれば、この
スペースを利用して人が釣りなどを楽しむことも可能で
ある。Further, the buoyant substrate having a solar power generation panel on the surface can be used by forming it in a large floating island shape and providing an appropriate space at the outer peripheral edge thereof. It is also possible for people to enjoy fishing and the like.
【図１】本発明装置の一例の側面図。FIG. 1 is a side view of an example of the device of the present invention.
【図２】本発明装置の別例の斜視図。FIG. 2 is a perspective view of another example of the device of the present invention.
【図３】本発明方法を実施している状態の遠景図。FIG. 3 is a perspective view of a state in which the method of the present invention is being performed.
Ｌ 湖 LA 湖の護岸 Ｗ 重錘 １，1a〜1d 浮力性基板 11 スペース 12 固定壁 ２ 太陽光発電パネル ３ 蓄電器 ４ 配線 ５ 鋼索 ６ 位置固定杭 ７ 連結索 ８ 方向制御装置 ９ 集電用ケーブル 10 送電線 Lake L Lake LA revetment W weight 1,1a-1d Buoyancy substrate 11 spaces 12 fixed wall 2 photovoltaic panels 3 battery 4 wiring 5 steel rope 6 position fixed pile 7 connecting rope 8 direction control device 9 Current collecting cable 10 power lines
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C02F 7/00 C02F 3/02 - 3/10 C02F 3/14 - 3/26 ─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. 7 , DB name) C02F 7/00 C02F 3/02-3/10 C02F 3/14-3/26
Claims (2)
面に太陽光発電パネルを設置した浮力性基板の複数個を
浮上させて連結すると共にその連結体の両側に移動防止
用部材を垂設し、湖沼の水面を遮光して当該湖沼の富栄
養化を防止する一方、前記太陽光発電パネルにおいて変
換される電気エネルギを電力会社に送電することを特徴
とする発電機能を有する湖沼の富栄養化防止方法。The water surface 1. A lakes should prevent eutrophication, anti-migration on both sides of the connecting member as well as connecting with the solar panels to float the plurality of Installation buoyancy substrate on the surface
The use member vertically provided, while preventing eutrophication of the lake in the dark water surface lakes, power generating function, characterized by transmitting the electrical energy that will be converted in the solar panels to power companies eutrophication method lakes with.
面に太陽光発電パネルを設置した浮力性基板の複数個を
適宜間隔を置いて浮上させ、湖沼の水面を遮光すること
によりその富栄養化を防止する一方、前記の各浮力性基
板を、各基板が水面上で回転できるように各基板の一側
において位置を固定すると共に、各基板の固定されない
側をロープ等の連結部材により連結し、かつ、該連結部
材の両端部を方向制御装置に接続して前記各浮力性基板
の向きを変更できるように形成しておき、前記太陽光発
電パネルにおいて変換される電気エネルギを電力会社に
送電することを特徴とする発電機能を有する湖沼の富栄
養化防止方法。2. A surface of a lake that should be prevented from eutrophication.
Multiple buoyancy substrates with solar panels on the surface
Leaving at an appropriate interval to shield the surface of the lake from light.
While preventing its eutrophication by
Plates on one side of each board so that each board can rotate on the surface of the water.
In the above buoyancy board , the position is fixed, the non-fixed side of each board is connected by a connecting member such as a rope , and both ends of the connecting member are connected to a direction control device.
It is formed so that the direction of
Electric energy converted in electric panels to electric power companies
Eutrophication method lakes with power generating function, characterized by transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04836799A JP3520216B2 (en) | 1999-02-25 | 1999-02-25 | Method of preventing eutrophication of lakes with power generation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04836799A JP3520216B2 (en) | 1999-02-25 | 1999-02-25 | Method of preventing eutrophication of lakes with power generation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000246287A JP2000246287A (en) | 2000-09-12 |
| JP3520216B2 true JP3520216B2 (en) | 2004-04-19 |
Family
ID=12801382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04836799A Expired - Lifetime JP3520216B2 (en) | 1999-02-25 | 1999-02-25 | Method of preventing eutrophication of lakes with power generation function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3520216B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4831861B2 (en) * | 2000-11-14 | 2011-12-07 | タキロン株式会社 | Algae cover and anti-algae structure using the same |
| JP4795648B2 (en) * | 2004-04-14 | 2011-10-19 | 株式会社ベリタス | How to shade the surface of the lake |
| JP4546211B2 (en) * | 2004-10-07 | 2010-09-15 | 株式会社ベリタス | Method and apparatus for controlling algae in lakes and marshes |
| KR100920760B1 (en) * | 2007-10-11 | 2009-10-07 | 신춘우 | Apparatus for collecting light |
| IT1392792B1 (en) * | 2008-12-02 | 2012-03-23 | Daiet S R L | FLOATING PHOTOVOLTAIC SYSTEM |
| KR101716025B1 (en) * | 2015-03-06 | 2017-03-13 | 안승혁 | Tracking Type floating PV System |
| CN105540861A (en) * | 2016-01-22 | 2016-05-04 | 华南理工大学 | Ecological restoration device for water body oxygenation and activation and application thereof |
| CN105523639A (en) * | 2016-01-22 | 2016-04-27 | 华南理工大学 | Solar water body ecological restoration device and application thereof |
-
1999
- 1999-02-25 JP JP04836799A patent/JP3520216B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000246287A (en) | 2000-09-12 |
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