JPH02102777A - Seawater desalination device - Google Patents
Seawater desalination deviceInfo
- Publication number
- JPH02102777A JPH02102777A JP63254771A JP25477188A JPH02102777A JP H02102777 A JPH02102777 A JP H02102777A JP 63254771 A JP63254771 A JP 63254771A JP 25477188 A JP25477188 A JP 25477188A JP H02102777 A JPH02102777 A JP H02102777A
- Authority
- JP
- Japan
- Prior art keywords
- seawater
- tank
- fresh water
- water
- solar cell
- 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
- 239000013535 sea water Substances 0.000 title claims abstract description 115
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 15
- 239000013505 freshwater Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002023 wood Substances 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は太陽エネルギーを利用した海水淡水化装置に
関するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a seawater desalination device that utilizes solar energy.
第３図は、例えば工業材料第２９巻第１号４５頁に示さ
れた海洋混度差利用の海水淡水化装置の構成図であり、
図において（１）は海水タンク、（２）は海水タンク（
１）へ注入された海水、（３）は温海水注入管、（４）
は海水タンク（１）の空気抜き、（５）は海水タンク（
１）と連設された真水タンク、（６）は海水（２）の水
蒸気が凝縮してできた真水、（７）は水蒸気、（８）は
水蒸気（７）を凝縮させるための熱交換器、（９）は深
海の冷海水を汲み上げるための深井戸ポンプ、（１０）
は冷海水注入管、（１１）は冷海水排水管である。海水
タンク（１）と真水タンク（５）とは互いに連通ずる空
間部（１２ａ）、 （１２ｂ）を有している。FIG. 3 is a configuration diagram of a seawater desalination device that utilizes ocean mixing difference, as shown in, for example, Kogyo Materials Vol. 29, No. 1, page 45.
In the figure, (1) is a seawater tank, and (2) is a seawater tank (
1) Seawater injected into (3) warm seawater injection pipe, (4)
is the air vent of the seawater tank (1), and (5) is the seawater tank (
A fresh water tank connected to 1), (6) is fresh water created by condensing water vapor from seawater (2), (7) is water vapor, and (8) is a heat exchanger for condensing water vapor (7). , (9) is a deep well pump for pumping cold water from the deep sea, (10)
(11) is a cold seawater injection pipe, and (11) is a cold seawater discharge pipe. The seawater tank (1) and the freshwater tank (5) have spaces (12a) and (12b) that communicate with each other.
次に、上記構成の動作について説明する。まず、海水タ
ンク（１）内に海中の表層部からポンプ（図示せず）に
よって例えば約２７°Ｃの温海水を汲み上げ温海水注入
管（３）から温海水を海水タンク（１）内に注入する。Next, the operation of the above configuration will be explained. First, warm seawater of, for example, approximately 27°C is pumped up from the surface layer of the sea into the seawater tank (1) using a pump (not shown), and the warm seawater is injected into the seawater tank (1) from the warm seawater injection pipe (3). do.
海水タンク（１）内に海水（２）が注入されると海水タ
ンク（１）内の空気の一部は空気抜き（４）を通って外
に排出される。海水タック（１）内を真空ポンプ（図示
せず）によって約０．０３気圧まで減圧すると海水タン
ク中の海水（２）は盛んに蒸発して水蒸気（７）を発生
する。、海水タンク（１）の空間部（１２ａ）で発生し
た水ス気（７）は隣室の真水タンク（５）の空間部（＋
２ｂ）内にも移動する。真水タンク（５）の字間部（＋
２ｂ）には熱交換器（８）が取り付けられており、深井
戸ポンプ（９）によって約２００メトルの深海から冷海
水が汲み上げられ冷ｌ毎水注入管（１０）、熱交換器（
８）、冷海水排水管（１１）の順に冷、ｆｊ水は流され
る。前記の引用文献では、海の表層部の海水の温度と深
海の冷海水の温度との温度差は約２７°Ｃあるので、熱
交換器（８）によって真空タンク（５）の空間部（１２
ｂ）の水澤気（７）は結露して滴り落ち真水タンク（５
）に貯水される。When seawater (2) is injected into the seawater tank (1), part of the air in the seawater tank (1) is discharged outside through the air vent (4). When the pressure inside the seawater tuck (1) is reduced to about 0.03 atmosphere by a vacuum pump (not shown), the seawater (2) in the seawater tank actively evaporates to generate water vapor (7). The water vapor (7) generated in the space (12a) of the seawater tank (1) is transferred to the space (+) of the fresh water tank (5) in the next room.
2b) Also move within. Between the letters of the fresh water tank (5) (+
2b) is equipped with a heat exchanger (8), and a deep well pump (9) pumps cold seawater from the deep sea of about 200 meters.
8), cold seawater drain pipe (11) and cold fj water are drained in this order. In the above cited document, since the temperature difference between the temperature of seawater in the surface layer of the sea and the temperature of cold seawater in the deep sea is about 27°C, the space (12
b) Mizusawa air (7) condenses and drips into the fresh water tank (5
).
［発明が解決しようとする課題］
従来の海水淡水化装置は以上のように構成されているの
で、海水タンク（１）の空間部（１２ａ）を超高度の真
空にしないと海水が蒸発せず、また水シＡ気（７）を冷
却凝縮させるだめの冷却水として深ｉｆ＋７水を用いて
いるので、高性能の深井戸ポンプ（９）が必要であり、
さらに温ｌ海水の温度が比較的低温であるために発生す
る水蒸気（７）の圧力が低いので真水製造効率が低く、
真空設備およびポンプ設備の費用が非常に高くなるため
に海水淡水化のコストが非常に高くなるという問題点か
あつ ｔこ 。[Problems to be Solved by the Invention] Since the conventional seawater desalination apparatus is configured as described above, the seawater will not evaporate unless the space (12a) of the seawater tank (1) is made into an ultra-high vacuum. Also, since deep IF+7 water is used as the cooling water for cooling and condensing the water tank A air (7), a high-performance deep well pump (9) is required.
Furthermore, since the temperature of warm seawater is relatively low, the pressure of the steam (7) generated is low, so the efficiency of fresh water production is low.
The problem is that the cost of seawater desalination is very high because the cost of vacuum equipment and pump equipment is very high.
この発明は、上記のような問題点を解決するためになさ
れたもので、低コストで高効率の海水淡水化装置を得る
ことを目的とする。This invention was made in order to solve the above-mentioned problems, and aims to obtain a low-cost and highly efficient seawater desalination apparatus.
［課題を解決するための手段］
この発明に係る海水淡水化装置は、海水を貯留する海水
タンクと、この海水タンクの透明基板上に形成され熱線
を透過する太陽電池と、前記海水タンク内の空間域と連
通し真水を貯留する真水タンクと、この真水タンクに設
けられ、前記太陽電池を電力源として駆動する海水ポン
プにより内部に海水が供給され真水タンク内の水蒸気を
凝縮する熱交換器と、前記海水タンク内の空間域と前記
真水タンク内の空間域とを前記太陽電池を電力源として
駆動し減圧する真空ポンプとを備えたものである。[Means for Solving the Problems] A seawater desalination apparatus according to the present invention includes a seawater tank for storing seawater, a solar cell formed on a transparent substrate of the seawater tank and transmitting heat rays, and a solar cell inside the seawater tank. a fresh water tank that communicates with a spatial area and stores fresh water; and a heat exchanger that is provided in the fresh water tank and that is supplied with seawater by a seawater pump driven by the solar cell as a power source and that condenses water vapor in the fresh water tank. , a vacuum pump that drives and depressurizes a spatial area within the seawater tank and a spatial area within the fresh water tank using the solar cell as a power source.
［作 用］
この発明においては、太陽エネルギーによって１毎水タ
ンク中の海水が加熱され、高温海水／なると共に、海水
タンク中の空間域を減圧状悪にしてｌＮ水中の水分を蒸
発させ高い蒸気圧を得ると共に、熱交換器用の冷却水と
して海中の表層、海水を用い、表″Ｐ！ｉ海水の温度と
高温の水蒸気の温度との温度差で水鼠気が結露され真水
が得られる。[Function] In this invention, the seawater in the water tank is heated every day by solar energy, becoming high-temperature seawater, and at the same time, the space in the seawater tank is depressurized to evaporate the water in the lN water and create high steam. In addition to obtaining the pressure, the surface layer of the sea, seawater, is used as cooling water for the heat exchanger, and fresh water is obtained by condensing water vapor due to the temperature difference between the temperature of seawater and the temperature of high-temperature steam.
［実施例］ 以下、この発明の実施例を図について説明する。[Example] Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明の一実施例を示す海水淡水化装置ユの
構成図であり、図において（２１）は海水タンク、（２
２）は渇水タンクに貯えられた１＠水、（２３）は海水
タンク（２１）へ、海水（２２）を注入するための、海
水注入管、（２４）は海水ポンプ、（２５）は海水タン
ク（２１）中の１５塩水をｔＪｊ出するための、３塩水
排出管、（２６）は海水タンク（２１）の明根部を形）
戊し熱線を透過する薄膜太陽電池、（２７）はｌ海水タ
ンク（２１）の空間域、（２８）は高水タンク（２１）
中の空気圧を減圧するための真空ポンプ、（２９）は海
水タンク（２１）中に生じた１；
水蒸気、（３０）は熱交換器、（３１）は熱交換器（３
０）、、’冷却用のｉＮ水を供給するための冷却用海水
注入管、（３２）は熱交ｔｉ器（３０）に海水を供給す
るための海水ポンプ、（３３）は海水タンク（２１）中
の水蒸気（２９）が冷却され凝縮結露して生成した真水
、（３４）、 （３５）。FIG. 1 is a block diagram of a seawater desalination equipment unit showing an embodiment of the present invention. In the figure, (21) is a seawater tank, (21) is a seawater tank,
2) is the water stored in the drought tank, (23) is the seawater injection pipe for injecting seawater (22) into the seawater tank (21), (24) is the seawater pump, and (25) is the seawater. 3 salt water discharge pipes for discharging the 15 salt water in the tank (21), (26) is shaped like the light root of the sea water tank (21))
Thin film solar cell that transmits heat rays, (27) is the spatial area of the l seawater tank (21), (28) is the high water tank (21)
Vacuum pump (29) to reduce the air pressure inside the seawater tank (21); Water vapor (30) is the heat exchanger; (31) is the heat exchanger (3)
0),,' Cooling seawater injection pipe for supplying iN water for cooling, (32) a seawater pump for supplying seawater to the heat exchanger (30), (33) a seawater tank (21) ) is cooled and condensed to produce fresh water (34), (35).
（３６）は図示されていない制御回路によって開閉動作
を行うＴｉ磁弁である。(36) is a Ti magnetic valve that is opened and closed by a control circuit (not shown).
第２図は第１図の側面図であり、（３７）は熱交換ａ
（３０）に供給された海水を排出するための海水排出管
、（３８）は生成した真水（３３）を貯える真水タンク
である。Figure 2 is a side view of Figure 1, and (37) is a heat exchanger a.
(30) is a seawater discharge pipe for discharging the supplied seawater, and (38) is a freshwater tank for storing the generated freshwater (33).
第１図において、（２１）は例えばＦ ＲＰ ５２の海
水タンクであり海水タンク（２１）の屋根の全部または
一部が太陽電池（２６）で形成されている。太陽電池（
２６）はガラスなどの透明基板上に第一の電極である透
明電極、ｐｉｎ接合を合するａ −Ｓｉ半導体層および
第二の電極である透明電極をそれぞれ積層形戎したもの
で、０．４ｕｔｓ〜０７μ−の可視光域の光にス１して
は大きな吸収係数を有しているが、赤外線および遠赤外
線はほとんど透過する特性を有しており、海水タンク（
２１）の屋根部に傾斜して取り付けられている。In FIG. 1, (21) is, for example, a seawater tank of F RP 52, and the roof of the seawater tank (21) is entirely or partially formed by a solar cell (26). Solar cells (
26) is a device in which a transparent electrode as a first electrode, an a-Si semiconductor layer that joins a pin junction, and a transparent electrode as a second electrode are laminated on a transparent substrate such as glass, and the thickness is 0.4 uts. Although it has a relatively large absorption coefficient for light in the visible light range of ~0.7 μ-, it has the property of transmitting almost all infrared and far infrared rays, so it cannot be used in seawater tanks (
21) is installed at an angle on the roof.
この発明における海水淡水化装置は通常海岸もしくは海
上に設置されており、太陽電池（２６）を電力源として
駆動する電磁弁（３４）、 （３６）が開、電磁弁（３
５）が閑の状態で、海水ポンプ（２４）を太陽電池（２
６）を電力源として駆動させることにより、約２５℃の
表層海水が海水タンク（２１）中に取り込まれる。海水
タンク（２１）中に取り込まれる海水（２２）の１は、
図示されていない木立検出器等によって制御されるよう
になっている。The seawater desalination apparatus in this invention is usually installed on the coast or on the sea, and the solenoid valves (34) and (36), which are driven by a solar cell (26) as a power source, are opened and the solenoid valve (3) is opened.
5) is idle, connect the seawater pump (24) to the solar battery (2).
6) as a power source, surface seawater at about 25° C. is taken into the seawater tank (21). 1 of the seawater (22) taken into the seawater tank (21) is
It is controlled by a tree grove detector, etc. (not shown).
次に、電磁弁（３４）、 （３５）が閑、電磁弁（３６
）が開の状態で太陽電池（２６）を電力源として真空ポ
ンプ（２８）を動作させ海水タンク（２１）の空間域（
２７）内を約０．１気圧まで減圧したのち電磁弁（３６
）を閉じ、真空ポンプ（２８）を停止する。Next, the solenoid valves (34) and (35) are idle, and the solenoid valve (36)
) is open, the vacuum pump (28) is operated using the solar cell (26) as a power source to open the spatial area (
After reducing the pressure inside 27) to approximately 0.1 atm, open the solenoid valve (36
) and stop the vacuum pump (28).
一方、海水タンク（２１）の屋根部に取り付けられた太
陽電池−一”？ （２６）を透過した熱線は海水（２２
）に照射され海水（２２）のｌ温度は、１０°Ｃ〜５０
°Ｃに上昇する。１ｆσ水タンク（２１）内は減圧状態
に保たれているので、太陽エネルギーによって海水（２
２）の温度が上がると水蒸気（２９）を生じる。海水タ
ンク（２１）内の水蒸気（２９）は太陽エネルギーによ
って更に加温され５０″Ｃ〜６０°Ｃに達する。海水タ
ンク（２１）で発生した水蒸気は海水タンク（２１）と
隣接して設置されたガラスライニング製の熱交換器（３
０）で冷却され凝縮結露して真水（３３）となる。On the other hand, the heat rays transmitted through the solar cell (26) attached to the roof of the seawater tank (21) are absorbed by the seawater (22
), the temperature of the seawater (22) is between 10°C and 50°C.
rises to °C. Since the inside of the 1fσ water tank (21) is maintained at a reduced pressure, the seawater (2
When the temperature of 2) increases, water vapor (29) is produced. The water vapor (29) in the seawater tank (21) is further heated by solar energy and reaches 50''C to 60°C. glass-lined heat exchanger (3
0) and condenses into fresh water (33).
熱交換器（３０）の冷却水は約２５°Ｃの表層ｌ毎水が
使用される。冷却用海水は太陽電池（２６）を電力源と
して動作する海水ポンプ（３２）を動作させることによ
って冷却用海水注入管（３１）を通って熱交換器（３０
）に導かれ海水排出管（３７）を通って海へ排出される
。水流気（２９）の温度と冷却用海水の温度との温度差
は約２５°Ｃ〜３５°Ｃに達するので熱交換器（３０）
のところで盛んに結露が生じ真水が生成する。As the cooling water for the heat exchanger (30), water at a temperature of approximately 25° C. is used per surface layer. Cooling seawater is supplied to a heat exchanger (30) through a cooling seawater injection pipe (31) by operating a seawater pump (32) that operates using a solar cell (26) as a power source.
) and is discharged into the sea through a seawater discharge pipe (37). The temperature difference between the temperature of the water stream (29) and the temperature of the cooling seawater reaches approximately 25°C to 35°C, so the heat exchanger (30)
A lot of condensation occurs and fresh water is produced.
この発明の実施例における海水淡水化装置においては、
第２図に示すように熱交換″Ａ″’ｊ ００）は傾斜し
て取り付けられているので、生成した真水（３３）は低
い方向へ流れ熱交換器（３０）の下方に設置された真水
タンク（３８）に貯水される。水蒸気（２９）の蒸発に
よって海水（２２）の塩分濃度が高濃度になった場合に
は電磁弁（３５）を開いて濃塩水排水管（２５）より濃
塩水を排出し新しい海水と入れ替えを行う。In the seawater desalination apparatus in the embodiment of this invention,
As shown in Figure 2, the heat exchanger "A"'j 00) is installed at an angle, so the generated fresh water (33) flows in a lower direction and flows into the fresh water installed below the heat exchanger (30). Water is stored in a tank (38). When the salt concentration of seawater (22) becomes high due to evaporation of water vapor (29), the solenoid valve (35) is opened to drain the concentrated salt water from the concentrated salt water drain pipe (25) and replace it with fresh sea water. .
海水ポンプ（２４）、（３２） 、真空ポンプ（２８）
を動かす電力および制御系に必要な電力は全て太陽電池
（２６）の出力または太陽電池（２６）の出力によって
蓄電された電力によって賄われる。また、使用する海水
は全て表層海水であるので消費電力の小さな海水ポンプ
（２４）、 （３２）が使用できる。さらに、海水ポン
プ（２４）、 （３２）と真空ポンプ（２８）とは同時
に起動させることはなく、海水ポンプ（２４）、真空ポ
ンプ（２８）、海水ポンプ（３２）の順に順次各ポンプ
（２４）、 （２１り、 （３２）を起動させることに
なるので、太陽電池（２６）も大出力である必要はない
。Seawater pump (24), (32), vacuum pump (28)
All the power required for operating the system and the control system is provided by the output of the solar cell (26) or the power stored by the output of the solar cell (26). In addition, since all the seawater used is surface seawater, seawater pumps (24) and (32) with low power consumption can be used. Furthermore, the seawater pumps (24), (32) and the vacuum pump (28) are not started at the same time, but the seawater pump (24), the vacuum pump (28), and the seawater pump (32) are sequentially activated. ), (21), (32), so the solar cell (26) does not need to have a high output either.
なお、太陽電池（２６）の透明基板の一方または全面を
球面状にすることによって集光性をもたせることもでき
る。Note that it is also possible to provide light condensing properties by making one or the entire surface of the transparent substrate of the solar cell (26) spherical.
［発明の効果］
以上説明したように、この発明の１毎水淡水化装置は、
熱線が透過する太陽電池を海水タンクの屋根として使用
したことにより、海水タンク内の海水は加熱され熱個交
換器用の冷却水としてよン毎の冷却水を用いることなく
に層海水で賄うことができ、また海水タンク内の水蒸気
圧力が高（なり、その結果低いコストの海水ポンプと真
空ポンプとを用いて真水を製造することができる。また
、１ｆｆｉｉ水ポンプ、真空ポンプは太陽電池から得ら
れた電力により駆動するようになっているので、ランニ
ングコストも低減化される。[Effects of the Invention] As explained above, the water desalination device of the present invention has the following features:
By using solar cells that transmit heat rays as the roof of the seawater tank, the seawater in the seawater tank is heated and can be used as cooling water for the heat exchanger without using cooling water for each tank. In addition, the water vapor pressure in the seawater tank is high (as a result, fresh water can be produced using low-cost seawater pumps and vacuum pumps. Also, 1ffii water pumps and vacuum pumps can be obtained from solar cells. Since it is driven by electric power, running costs are also reduced.
第１図はこの発明の一実施例による海水淡水化装置の構
成図、第２図は第１図の側面［４、第３図は従来の海水
淡水化装置の構成図である。
図において、（２１）はｆ角氷タンク、（２２）はｌ角
氷、（２４）、 （３２）はｔ角氷ポンプ、（２６）は
太陽電池、（２７）は空間域、（２８）は真空ポンプ、
（２９）は水蒸気、（３０）はへ交換器、（３３）は良
木、（３８）は真水タンクである。
なお、
１５図中、
ｌ」＼ ９ 。
同一符号は同−又は相当部分を
昂２図
２７ Ｔ哨戒
２Ｂ！！ｉｌ’ホ９二アFIG. 1 is a configuration diagram of a seawater desalination apparatus according to an embodiment of the present invention, FIG. 2 is a side view [4] of FIG. 1, and FIG. 3 is a configuration diagram of a conventional seawater desalination apparatus. In the figure, (21) is the F ice cube tank, (22) is the L ice cube, (24), (32) is the T ice cube pump, (26) is the solar cell, (27) is the space area, and (28) is a vacuum pump,
(29) is water vapor, (30) is an exchanger, (33) is wood, and (38) is a fresh water tank. In addition, in Figure 15, "l"\9. The same reference numerals refer to the same or corresponding parts as in Figure 27 T Patrol 2B! ! il'ho92a
Claims (1)
板上に形成され熱線を透過する太陽電池と、前記海水タ
ンク内の空間域と連通し真水を貯留する真水タンクと、
この真水タンクに設けられ、前記太陽電池を電力源とし
て駆動する海水ポンプにより内部に海水が供給され真水
タンク内の水蒸気を凝縮する熱交換器と、前記海水タン
ク内の空間域と前記真水タンク内の空間域とを前記太陽
電池を電力源として駆動し減圧する真空ポンプとを備え
たことを特徴とする海水淡水化装置。A seawater tank that stores seawater, a solar cell that is formed on a transparent substrate of the seawater tank and transmits heat rays, and a freshwater tank that communicates with a spatial area within the seawater tank and stores fresh water.
A heat exchanger provided in the fresh water tank and configured to supply seawater to the inside by a seawater pump driven by the solar cell as a power source and condense water vapor in the fresh water tank; A seawater desalination apparatus comprising: a vacuum pump that reduces pressure by driving a spatial region using the solar cell as a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63254771A JPH02102777A (en) | 1988-10-12 | 1988-10-12 | Seawater desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63254771A JPH02102777A (en) | 1988-10-12 | 1988-10-12 | Seawater desalination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02102777A true JPH02102777A (en) | 1990-04-16 |
Family
ID=17269657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63254771A Pending JPH02102777A (en) | 1988-10-12 | 1988-10-12 | Seawater desalination device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02102777A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001202A1 (en) * | 1996-07-03 | 1998-01-15 | Christoph Schuster | Device for extracting fresh water |
| WO2001072639A1 (en) * | 2000-03-31 | 2001-10-04 | Ebara Corporation | Water desalting apparatus |
| JP2011025119A (en) * | 2009-07-23 | 2011-02-10 | Michihiro Oe | Fresh water production device and fresh water production-power generation device |
-
1988
- 1988-10-12 JP JP63254771A patent/JPH02102777A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998001202A1 (en) * | 1996-07-03 | 1998-01-15 | Christoph Schuster | Device for extracting fresh water |
| WO2001072639A1 (en) * | 2000-03-31 | 2001-10-04 | Ebara Corporation | Water desalting apparatus |
| JP2011025119A (en) * | 2009-07-23 | 2011-02-10 | Michihiro Oe | Fresh water production device and fresh water production-power generation device |
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