JPH11354132A - Fuel cell power generating set - Google Patents

Fuel cell power generating set

Info

Publication number
JPH11354132A
JPH11354132A JP10158227A JP15822798A JPH11354132A JP H11354132 A JPH11354132 A JP H11354132A JP 10158227 A JP10158227 A JP 10158227A JP 15822798 A JP15822798 A JP 15822798A JP H11354132 A JPH11354132 A JP H11354132A
Authority
JP
Japan
Prior art keywords
oxygen
hydrogen
water
fuel cell
flow path
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
Application number
JP10158227A
Other languages
Japanese (ja)
Inventor
Toshiharu Oka
利春 岡
Shinsuke Matsuno
伸介 松野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Priority to JP10158227A priority Critical patent/JPH11354132A/en
Publication of JPH11354132A publication Critical patent/JPH11354132A/en
Pending legal-status Critical Current

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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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

Abstract

PROBLEM TO BE SOLVED: To provide a simple and light-weighted fuel cell power generating set with high reliability. SOLUTION: A heat exchanger for returning, to an electrolytic cell, condensed water W' generated while cooling electrolyzed oxygen O and hydrogen H is integrally provided in a water-electrolytic apparatus 31, in a fuel cell power generating set comprising the apparatus 31 for electrolyzing water W into the oxygen O and the hydrogen H, an oxygen storing part 34 and a hygrogen storing part 35 for storing the resulting oxygen O and hydrogen H respectively, and a fuel cell apparatus for generating power using the oxygen O and the hydrogen H as fuels.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、昼間は太陽エネル
ギーを利用して水を水素と酸素に電解して蓄え、夜間に
はこれら水素と酸素を燃料電池に供給して電力を得る燃
料電池発電設備に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cell power generation system in which water is electrolyzed into hydrogen and oxygen by using solar energy during daytime and stored, and the hydrogen and oxygen are supplied to the fuel cell at night to obtain electric power. It concerns equipment.

【０００２】[0002]

【従来の技術】燃料電池発電設備は、水素と酸素が電気
化学的に反応して直接電気を発生する原理を応用したも
のである。この燃料電池発電設備は、発電効率が高く、
消費地に設置できるので送電損失がなく、限られたエネ
ルギー資源の有効利用が図られると共に、大気汚染物質
の排出が極めて少ないクリーンな発電設備である。この
ため、地球上のみならず月面基地における発電設備とし
ての利用も検討されており、実用化に向けて図２に示す
ような地上試験用の設備が提案されている。2. Description of the Related Art Fuel cell power generation equipment is based on the principle that hydrogen and oxygen electrochemically react to directly generate electricity. This fuel cell power generation facility has high power generation efficiency,
Since it can be installed in a consuming area, there is no power transmission loss, effective use of limited energy resources is achieved, and a clean power generation facility that emits very little air pollutants. For this reason, utilization as a power generation facility not only on the earth but also on a lunar base has been studied, and a ground test facility as shown in FIG. 2 has been proposed for practical use.

【０００３】図２に示すように、燃料電池発電設備は、
昼間に太陽エネルギーを利用して、水Ｗを水素Ｈと酸素
Ｏに電解する水電解装置１と、得られた水素Ｈと酸素Ｏ
をそれぞれ蓄える酸素貯蓄部４および水素貯蓄部５と、
夜間にこれら水素Ｈと酸素Ｏを燃料として発電する燃料
電池装置２とからなっている。[0003] As shown in FIG.
A water electrolysis apparatus 1 for electrolyzing water W into hydrogen H and oxygen O by utilizing solar energy in the daytime;
An oxygen storage unit 4 and a hydrogen storage unit 5 for respectively storing
The fuel cell system 2 generates power at night using hydrogen H and oxygen O as fuel.

【０００４】水電解装置１は、太陽エネルギーを受けて
電力を発生する太陽電池６と、該太陽電池６からの電力
を受けて水Ｗを電解する電解槽７と、該電解槽７に供給
する水Ｗを蓄える水タンク８と、該水タンク８の水Ｗを
電解槽７に送る水ポンプ９と、該水ポンプ９を経た水Ｗ
に含まれるイオンの除去を行うイオン除去装置１０と、
該イオン除去装置１０を経た水Ｗを所用温度まで加熱す
る純水加熱器１１とからなっている。[0004] The water electrolysis apparatus 1 is a solar cell 6 that receives solar energy to generate electric power, an electrolytic cell 7 that receives electric power from the solar cell 6 to electrolyze water W, and supplies the water to the electrolytic cell 7. A water tank 8 for storing water W, a water pump 9 for sending the water W from the water tank 8 to the electrolytic cell 7, and a water W passing through the water pump 9;
An ion removing device 10 for removing ions contained in
A pure water heater 11 for heating the water W having passed through the ion removing device 10 to a required temperature is provided.

【０００５】酸素貯蓄部４は、水電解装置１で得られた
酸素Ｏを冷却し、これに含まれる水蒸気を凝縮水Ｗ’に
する冷却器１２と、該冷却器１２によって分けられた凝
縮水Ｗ’と酸素Ｏを一時的に保管する気液分離器１３
と、該気液分離器１３内の酸素Ｏを蓄える酸素タンク１
４と、気液分離器１３内の凝縮水Ｗ’を水タンク８に戻
す水ポンプ１５Ａとを具備している。水素貯蓄部５は、
水電解装置１で得られた水素Ｈを冷却し、これに含まれ
る水蒸気を凝縮水Ｗ’に戻す冷却器１６と、該冷却器１
６によって分けられた凝縮水Ｗ’と水素Ｈを一時的に保
管する気液分離器１７と、該気液分離器１７内の水素Ｈ
を蓄える水素タンク１８と、気液分離器１７内の凝縮水
Ｗ’を水タンク８に戻す水ポンプ１５Ｂとを具備してい
る。なお、純水加熱器１１や冷却器１２、１６や水ポン
プ１５Ａ、１５Ｂ等の運転に要される電力は、太陽電池
６からの電力で賄われている。[0005] The oxygen storage unit 4 cools the oxygen O obtained by the water electrolysis apparatus 1 and converts the water vapor contained therein into condensed water W '. Gas-liquid separator 13 for temporarily storing W 'and oxygen O
And an oxygen tank 1 for storing oxygen O in the gas-liquid separator 13.
4 and a water pump 15A for returning the condensed water W ′ in the gas-liquid separator 13 to the water tank 8. The hydrogen storage unit 5
A cooler 16 for cooling the hydrogen H obtained in the water electrolysis device 1 and returning steam contained therein to the condensed water W ′;
6. A gas-liquid separator 17 for temporarily storing the condensed water W ′ and the hydrogen H separated by
And a water pump 15B for returning the condensed water W ′ in the gas-liquid separator 17 to the water tank 8. The power required to operate the pure water heater 11, the coolers 12 and 16, the water pumps 15 </ b> A and 15 </ b> B, etc. is provided by the power from the solar cell 6.

【０００６】前記燃料電池装置２には、酸素タンク１４
および水素タンク１８のそれぞれに蓄えられた酸素Ｏと
水素Ｈを電気化学的に反応させて電力を発生させる燃料
電池１６が備えられており、酸素タンク１４および水素
タンク１８から燃料電池１６に至る経路には、供給され
る酸素Ｏと水素Ｈを調整する、加湿器１９、２０、気液
分離器２１、冷却器２２、２３、ブロワ２４、２５が設
けられている。符号２６は電力機器であり、燃料電池１
６で発電された電力の供給を受けるものである。The fuel cell device 2 includes an oxygen tank 14
And a fuel cell 16 that electrochemically reacts oxygen O and hydrogen H stored in each of the hydrogen tanks 18 to generate electric power, and a path from the oxygen tank 14 and the hydrogen tank 18 to the fuel cell 16. Are provided with humidifiers 19 and 20, a gas-liquid separator 21, coolers 22 and 23, and blowers 24 and 25 for adjusting supplied oxygen O and hydrogen H. Reference numeral 26 denotes a power device, and the fuel cell 1
6 is supplied.

【０００７】上記の燃料電池発電設備による発電は、以
下のように行われる。昼間において、電解槽７は、太陽
電池６からの電力の供給を受け、この電力をもとに水Ｗ
を酸素Ｏと水素Ｈに電解する。この水Ｗは電解されるこ
とで消費されるが、消費された分、水タンク８からの供
給を受ける。すなわち、水ポンプ９を起動して水タンク
８内に蓄えられている水Ｗを電解槽７に向かって送水
し、イオン除去装置１０でイオンを除去し、純水加熱器
１１で所用温度まで加熱した後、電解槽７へと供給す
る。Power generation by the above-described fuel cell power generation equipment is performed as follows. In the daytime, the electrolytic cell 7 receives supply of electric power from the solar cell 6 and uses this electric power to supply water W
Is electrolyzed into oxygen O and hydrogen H. The water W is consumed by being electrolyzed, but is supplied from the water tank 8 for the consumed amount. That is, the water pump 9 is activated to send the water W stored in the water tank 8 toward the electrolytic cell 7, the ions are removed by the ion removing device 10, and the pure water heater 11 heats the water to the required temperature. Then, it is supplied to the electrolytic cell 7.

【０００８】電解された酸素Ｏは、冷却器１２において
冷却され、酸素Ｏに含まれている水蒸気は凝縮水Ｗ’と
なって酸素Ｏより分離される。そしてこれら酸素Ｏと凝
縮水Ｗ’は、一時的に気液分離器１３に蓄えられる。酸
素Ｏは酸素タンク１４に蓄えられ、また、凝縮水Ｗ’は
水ポンプ１５Ａによって水タンク８へと戻される。電解
された水素Ｈは、冷却器１６において冷却され、水素Ｈ
に含まれている水蒸気は凝縮水Ｗ’となって水素Ｈより
分離される。そしてこれら水素Ｈと凝縮水Ｗ’は、一時
的に気液分離器１７に蓄えられる。水素Ｈは水素タンク
１８に蓄えられ、また、凝縮水Ｗ’は水ポンプ１５Ｂに
よって水タンク８へと戻される。以上の行程により、昼
間に酸素Ｏと水素Ｈがそれぞれ酸素タンク１４、水素タ
ンク１８に蓄えられる。The electrolyzed oxygen O is cooled in the cooler 12, and the water vapor contained in the oxygen O becomes condensed water W 'and is separated from the oxygen O. Then, the oxygen O and the condensed water W ′ are temporarily stored in the gas-liquid separator 13. Oxygen O is stored in oxygen tank 14, and condensed water W 'is returned to water tank 8 by water pump 15A. The electrolyzed hydrogen H is cooled in the cooler 16 and the hydrogen H
Is converted into condensed water W ′ and separated from hydrogen H. Then, the hydrogen H and the condensed water W ′ are temporarily stored in the gas-liquid separator 17. Hydrogen H is stored in hydrogen tank 18, and condensed water W 'is returned to water tank 8 by water pump 15B. Through the above steps, oxygen O and hydrogen H are stored in the oxygen tank 14 and the hydrogen tank 18, respectively, during the daytime.

【０００９】夜間においては、昼間に蓄えられた酸素Ｏ
と水素Ｈが酸素タンク１４、水素タンク１８から燃料電
池１６へと供給される。すると、燃料電池１６におい
て、水素Ｈと酸素Ｏが電気化学的に反応して電力を発生
する。このようにして発電された電力は、電力機器２６
へと供給される。At night, the oxygen O stored during the day
And hydrogen H are supplied from the oxygen tank 14 and the hydrogen tank 18 to the fuel cell 16. Then, in the fuel cell 16, hydrogen H and oxygen O electrochemically react to generate electric power. The power generated in this manner is supplied to the power equipment 26
Supplied to.

【００１０】[0010]

【発明が解決しようとする課題】ところで、上記の燃料
電池発電設備は、下記のような問題を有していた。すな
わち、構成機器が多いので設備全体の重量が大きくな
り、地球から月などの天体にこの設備を送る際に、その
重量が問題となる。また、同じく、構成機器が多い関係
上、故障しやすく信頼性が低いという問題も有してい
る。また、昼間の電解行程において、純水加熱器１１や
冷却器１２、１６や水ポンプ１５Ａ、１５Ｂ等を運転す
るための電力も太陽電池６が賄う必要があるので、太陽
電池６に要求される発電量が高くなる問題も有してい
る。However, the above fuel cell power generation equipment has the following problems. That is, the weight of the entire equipment increases due to the large number of constituent devices, and the weight of the equipment becomes a problem when the equipment is sent from the earth to a celestial body such as the moon. In addition, similarly, there is a problem that a failure easily occurs and reliability is low due to a large number of constituent devices. In the daytime electrolysis process, the solar cell 6 also needs to supply power for operating the pure water heater 11, the coolers 12, 16 and the water pumps 15A, 15B and the like. There is also a problem that the amount of power generation increases.

【００１１】本発明は、上記事情を鑑みてなされたもの
であって、以下の目的を達成しようとするものである。
すなわち、簡素で軽量化が可能な燃料電池発電設備の提
供を目的とする。また、本発明の別の目的は、高い信頼
性を有する設備とすることも目的とする。また、太陽電
池に要求される発電量を抑えることも目的とする。The present invention has been made in view of the above circumstances, and aims to achieve the following objects.
That is, an object of the present invention is to provide a simple and lightweight fuel cell power generation facility. Another object of the present invention is to provide a highly reliable facility. Another object is to reduce the amount of power generation required for a solar cell.

【００１２】[0012]

【課題を解決するための手段】本発明の燃料電池発電設
備は、上記課題を解決するために以下の手段を採用し
た。すなわち、燃料電池発電設備は、水を水素と酸素に
電解する水電解装置と、得られた酸素および水素をそれ
ぞれ蓄える酸素貯蓄部および水素を蓄える水素貯蓄部
と、これら水素と酸素を燃料として発電する燃料電池装
置とからなる燃料電池発電設備において、水電解装置に
は、水の電解を行う電解槽の上方に、電解された酸素と
水素を冷却しつつ発生した凝縮水を電解槽に戻す熱交換
器が一体に設けられていることを特徴とする。上記燃料
電池発電設備によれば、電解時に得られる酸素と水素に
含まれる水蒸気は、熱交換器において冷却されて凝縮水
となり、重力にしたがって電解槽内に戻される。Means for Solving the Problems The fuel cell power generation equipment of the present invention employs the following means to solve the above problems. That is, the fuel cell power generation equipment is composed of a water electrolysis device for electrolyzing water into hydrogen and oxygen, an oxygen storage unit for storing the obtained oxygen and hydrogen, and a hydrogen storage unit for storing hydrogen, and power generation using the hydrogen and oxygen as fuel. In a fuel cell power generation system including a fuel cell device, a condensed water generated while cooling the electrolyzed oxygen and hydrogen is returned to the electrolyzer above the electrolyzer for electrolyzing water. It is characterized in that the exchanger is provided integrally. According to the above fuel cell power generation equipment, water vapor contained in oxygen and hydrogen obtained during electrolysis is cooled in the heat exchanger to become condensed water, and is returned into the electrolytic cell according to gravity.

【００１３】この燃料電池発電設備において、前記熱交
換器には、電解された酸素を流す酸素流路と、水素を流
す水素流路と、これら両流路に隣接して酸素、水素との
間での熱交換を行う熱交換路とが備えられ、該熱交換路
には、前記電解槽に向かう水が供給されている。上記燃
料電池発電設備によれば、酸素と水素は、それぞれ酸素
流路と水素流路を通る際に、熱交換路内を流れる水によ
って冷却される。逆に、熱交換路内を流れる水は、酸素
流路と水素流路を通る酸素と水素によって加熱される。In this fuel cell power plant, the heat exchanger has an oxygen flow path for flowing electrolyzed oxygen, a hydrogen flow path for flowing hydrogen, and an oxygen flow path adjacent to these flow paths. And a heat exchange path for performing heat exchange in the electrolysis tank. Water is supplied to the heat exchange path toward the electrolytic cell. According to the above fuel cell power generation equipment, oxygen and hydrogen are cooled by water flowing in the heat exchange path when passing through the oxygen flow path and the hydrogen flow path, respectively. Conversely, water flowing in the heat exchange path is heated by oxygen and hydrogen passing through the oxygen flow path and the hydrogen flow path.

【００１４】この燃料電池発電設備において、酸素流路
および水素流路の内壁面には、凝縮水を流下させる下り
勾配の複数の流路抵抗板が取り付けられている。上記燃
料電池発電設備によれば、各流路面での熱交換に加え
て、流体抵抗板においても熱交換がなされる。また、流
路抵抗板に付着した凝縮水は、下り勾配の流路抵抗板に
従って下方に向かって流下する。In this fuel cell power generation equipment, a plurality of downwardly inclined flow path resistance plates for flowing down condensed water are attached to the inner wall surfaces of the oxygen flow path and the hydrogen flow path. According to the above fuel cell power generation equipment, in addition to the heat exchange at each flow path surface, heat exchange is also performed at the fluid resistance plate. In addition, the condensed water attached to the flow path resistance plate flows downward according to the flow path resistance plate having a downward slope.

【００１５】[0015]

【発明の実施の形態】以下、本発明に係わる燃料電池発
電設備の一実施形態を、図１を参照して説明する。図１
に示すように、燃料電池発電設備は、水Ｗを水素Ｈと酸
素Ｏに電解する水電解装置３１と、得られた酸素Ｏおよ
び水素Ｈをそれぞれ蓄える酸素貯蓄部３４および水素貯
蓄部３５と、これら水素Ｈと酸素Ｏを燃料として発電す
る燃料電池装置３２とからなっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a fuel cell power generation system according to the present invention will be described below with reference to FIG. FIG.
As shown in the figure, the fuel cell power generation equipment comprises a water electrolysis device 31 for electrolyzing water W into hydrogen H and oxygen O, an oxygen storage unit 34 and a hydrogen storage unit 35 for storing the obtained oxygen O and hydrogen H, respectively, The fuel cell device 32 generates power using the hydrogen H and the oxygen O as fuel.

【００１６】水電解装置３１は、太陽エネルギーを受け
て電力を発生する太陽電池３６と、該太陽電池３６から
の電力を受けて水Ｗを酸素Ｏと水素Ｈに電解する電解槽
４１と、該電解槽４１の上方に一体に設けられ、得られ
た酸素Ｏと水素Ｈを冷却しつつ発生した凝縮水Ｗ’を電
解槽４１に戻す熱交換器４２と、電解槽４１に供給する
水Ｗを蓄える水タンク３８と、該水タンク３８の水Ｗに
含まれるイオンの除去を行うイオン除去装置４０と、該
イオン除去装置４０を経た水Ｗを電解槽４１へと送る水
ポンプ３９と、該水ポンプ３９から供給される水Ｗを所
用温度まで加熱する純水加熱器４０Ａとからなってい
る。The water electrolysis device 31 includes a solar cell 36 that receives solar energy to generate electric power, an electrolytic cell 41 that receives electric power from the solar cell 36, and electrolyzes water W into oxygen O and hydrogen H, A heat exchanger 42 that is provided integrally above the electrolytic cell 41 and returns the condensed water W ′ generated while cooling the obtained oxygen O and hydrogen H to the electrolytic cell 41, and a water W supplied to the electrolytic cell 41. A water tank 38 for storing, an ion removing device 40 for removing ions contained in the water W in the water tank 38, a water pump 39 for sending the water W passing through the ion removing device 40 to the electrolytic cell 41, A pure water heater 40A for heating the water W supplied from the pump 39 to a required temperature is provided.

【００１７】熱交換器４２には、電解された酸素Ｏを流
す酸素流路４４と、水素Ｈを流す水素流路４５と、これ
ら両流路４４、４５に隣接して酸素Ｏ、水素Ｈとの間で
の熱交換を行う熱交換路４３とが具備されており、熱交
換路４３には、電解槽４１に向かう水Ｗが供給されるよ
うになっている。そして、酸素流路４４および水素流路
４５の内壁面４４ａ、４５ａには、凝縮水Ｗ’を流下さ
せる下り勾配の複数の流路抵抗板４６が取り付けられて
いるThe heat exchanger 42 has an oxygen flow path 44 for flowing the electrolyzed oxygen O, a hydrogen flow path 45 for flowing the hydrogen H, and oxygen O and hydrogen H adjacent to the two flow paths 44 and 45. And a heat exchange path 43 for exchanging heat between them. The heat exchange path 43 is supplied with water W flowing toward the electrolytic cell 41. Further, a plurality of downwardly inclined flow path resistance plates 46 for flowing down the condensed water W ′ are attached to the inner wall surfaces 44 a and 45 a of the oxygen flow path 44 and the hydrogen flow path 45.

【００１８】酸素貯蓄部３４には、水電解装置３１で得
られた酸素Ｏを蓄える酸素タンク４７が備えられてお
り、また、水素貯蓄部３５には、水電解装置３１で得ら
れた水素Ｈを蓄える水素タンク４８が備えられている。The oxygen storage section 34 is provided with an oxygen tank 47 for storing oxygen O obtained by the water electrolysis device 31. The hydrogen storage section 35 is provided with hydrogen H obtained by the water electrolysis device 31. Is provided with a hydrogen tank 48 for storing.

【００１９】前記燃料電池装置３２には、水電解装置３
１で蓄えられた酸素Ｏと水素Ｈを電気化学的に反応させ
て電力を発生させる燃料電池４９が備えられており、酸
素タンク４７と水素タンク４８から燃料電池４９に至る
経路には、供給される酸素Ｏと水素Ｈを調整する、熱交
換器５０、冷却器５１が設けられている。符号５２は電
力機器であり、燃料電池４９で発電された電力の供給を
受けるものである。The fuel cell device 32 includes a water electrolysis device 3
A fuel cell 49 is provided for generating electric power by electrochemically reacting the oxygen O and hydrogen H stored in 1 with each other. A heat exchanger 50 and a cooler 51 for adjusting the oxygen O and the hydrogen H are provided. Reference numeral 52 denotes a power device which receives supply of power generated by the fuel cell 49.

【００２０】上記の燃料電池発電設備による発電は、以
下のように行われる。昼間において、電解槽４１は、太
陽電池３６からの電力の供給を受け、この電力をもとに
水Ｗを酸素Ｏと水素Ｈに電解する。この水Ｗは電解され
ることで消費されるが、消費された分は、水タンク３８
から供給されるようになっている。すなわち、水ポンプ
３９を起動して水タンク３８内に蓄えられている水Ｗを
電解槽４１に向かって送水し、イオン除去装置４０でイ
オンを除去し、熱交換路４３内に流し、純水加熱器４０
Ａで所用温度まで加熱し、電解槽４１へと供給される。
得られた酸素Ｏは酸素流路４４を通って酸素タンク４７
に貯蓄され、また、水素Ｈは水素流路４５を通って水素
タンク４８に貯蓄される。The power generation by the above fuel cell power generation equipment is performed as follows. In the daytime, the electrolytic cell 41 receives supply of electric power from the solar cell 36, and electrolyzes the water W into oxygen O and hydrogen H based on the electric power. The water W is consumed by being electrolyzed.
It is supplied from. That is, the water pump 39 is activated to send the water W stored in the water tank 38 toward the electrolytic cell 41, the ions are removed by the ion removing device 40, and the pure water is supplied to the heat exchange path 43. Heater 40
In A, the mixture is heated to the required temperature and supplied to the electrolytic cell 41.
The obtained oxygen O passes through an oxygen flow path 44 and an oxygen tank 47
The hydrogen H is stored in a hydrogen tank 48 through a hydrogen flow channel 45.

【００２１】なお、上記の電解行程において、電解槽４
１で水Ｗが電解されるときに反応熱が発生し、この反応
熱は電解槽４１内の水Ｗの一部を蒸発させて水蒸気に変
えてしまう。分解された酸素Ｏと水素Ｈは、この水蒸気
を含んだまま、それぞれ酸素流路４４と水素流路４５を
通過しようとするが、このとき、熱交換路４３を流れる
水Ｗで冷却された酸素流路４４と水素流路４５と流路抵
抗板４６とに接して冷却されるので、水蒸気は凝縮水
Ｗ’となる。そして、この凝縮水Ｗ’は、流路抵抗板４
６の下り勾配に従って滴下し、電解槽４１内の水Ｗへと
戻される。逆に、熱交換路４３を流れる水Ｗは、酸素流
路４４を通過する酸素Ｏと水素流路４５を通過する水素
Ｈとから、前記反応熱を受けて加熱される。In the above-described electrolytic process, the electrolytic cell 4
When the water W is electrolyzed in step 1, reaction heat is generated, and the reaction heat evaporates a part of the water W in the electrolysis tank 41 and converts it into steam. The decomposed oxygen O and hydrogen H try to pass through the oxygen flow path 44 and the hydrogen flow path 45, respectively, while containing this water vapor. At this time, the oxygen cooled by the water W flowing through the heat exchange path 43 The water vapor is converted into condensed water W 'because it is cooled by contacting the flow path 44, the hydrogen flow path 45, and the flow path resistance plate 46. The condensed water W ′ is supplied to the flow path resistance plate 4
The water is dripped according to the downward gradient of 6 and returned to the water W in the electrolytic cell 41. Conversely, the water W flowing through the heat exchange path 43 is heated by receiving the reaction heat from oxygen O passing through the oxygen flow path 44 and hydrogen H passing through the hydrogen flow path 45.

【００２２】夜間においては、昼間に蓄えられた酸素Ｏ
および水素Ｈが、それぞれ酸素タンク４７および水素タ
ンク４８から燃料電池４９へと供給される。すると、燃
料電池４９において、水素Ｈと酸素Ｏが電気化学的に反
応して電力を発生する。このようにして発電された電力
は、電力機器５２へと供給される。At night, oxygen O stored in the daytime
And hydrogen H are supplied to the fuel cell 49 from the oxygen tank 47 and the hydrogen tank 48, respectively. Then, in the fuel cell 49, hydrogen H and oxygen O electrochemically react to generate electric power. The power generated in this manner is supplied to the power equipment 52.

【００２３】したがって、水電解装置３１において、従
来設備で必要とされていた気液分離器１３、１７および
冷却器１２、１６が不要となるので、簡素で軽量化が可
能な燃料電池発電設備とすることができる。また、同上
の理由により、構成機器を減らせるので、設備の信頼性
を高くすることも可能となる。また、同上の理由によ
り、水電解時に電力を必要とする機器を減らせる上に、
電解槽４１に供給される水Ｗが熱交換器３７で加熱され
る分、純水加熱器４０Ａの電力を節約できるので、太陽
電池３６に要求される発電量を抑えることも可能とな
る。Accordingly, in the water electrolysis device 31, the gas-liquid separators 13, 17 and the coolers 12, 16 which are required in the conventional equipment are not required, so that the fuel cell power generation equipment can be simplified and reduced in weight. can do. In addition, for the same reason, the number of constituent devices can be reduced, so that the reliability of the equipment can be increased. In addition, for the same reason, in addition to reducing the number of devices that require power during water electrolysis,
Since the water W supplied to the electrolytic cell 41 is heated by the heat exchanger 37, the power of the pure water heater 40A can be saved, so that the power generation amount required for the solar cell 36 can be suppressed.

【００２４】なお、上記の実施例において、酸素流路４
４と水素流路４５のみに流路抵抗板４６を備えた構成と
したが、この流路抵抗板４６を熱交換路４３内にも設け
て、フィンとして機能させることにより、熱交換器４２
における熱交換効率をさらに高めた構成としても良い。In the above embodiment, the oxygen flow path 4
4 and the hydrogen flow path 45, only the flow path resistance plate 46 is provided. However, the flow path resistance plate 46 is also provided in the heat exchange path 43 and functions as a fin, so that the heat exchanger 42
The heat exchange efficiency in the above may be further improved.

【００２５】[0025]

【発明の効果】本発明によれば、従来設備で必要とされ
ていた機器が不要となり、構成機器を減らせるので、設
備が簡素で軽量化が可能な燃料電池発電設備とすること
ができる。また、同上の理由により構成機器を減らせる
ので、設備の信頼性を高くすることも可能となる。ま
た、水電解時に電力を必要とする機器を減らせる上に、
水が熱交換器で加熱される分、純水加熱器での電力を節
約できるので、太陽電池に要求される発電量を抑えるこ
とも可能となる。According to the present invention, the equipment required in the conventional equipment becomes unnecessary, and the number of constituent devices can be reduced, so that the fuel cell power generation equipment can be simplified and reduced in weight. In addition, since the number of constituent devices can be reduced for the same reason, the reliability of the equipment can be increased. In addition to reducing the number of devices that require power during water electrolysis,
Since the power in the pure water heater can be saved by the amount of water heated by the heat exchanger, the amount of power generation required for the solar cell can be suppressed.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 本発明の一実施形態を示す図であって、燃料
電池発電設備の構成図である。FIG. 1 is a diagram showing one embodiment of the present invention, and is a configuration diagram of a fuel cell power generation facility.

【図２】 従来の燃料電池発電設備の構成図である。FIG. 2 is a configuration diagram of a conventional fuel cell power generation facility.

【符号の説明】[Explanation of symbols]

３１・・・水電解装置 ３２・・・燃料電池装置 ３４・・・酸素貯蓄部 ３５・・・水素貯蓄部 ４１・・・電解槽 ４２・・・熱交換器 ４３・・・熱交換路 ４４・・・酸素流路 ４５・・・水素流路 ４４ａ、４５ａ・・・内壁面 ４６・・・流路抵抗板 Ｈ・・・水素 Ｏ・・・酸素 Ｗ・・・水 Ｗ’・・・凝縮水 DESCRIPTION OF SYMBOLS 31 ... Water electrolysis device 32 ... Fuel cell device 34 ... Oxygen storage part 35 ... Hydrogen storage part 41 ... Electrolyzer 42 ... Heat exchanger 43 ... Heat exchange path 44 ..Oxygen flow path 45: hydrogen flow path 44a, 45a: inner wall surface 46: flow path resistance plate H: hydrogen O: oxygen W: water W ': condensed water

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 水（Ｗ）を水素（Ｈ）と酸素（Ｏ）に電
解する水電解装置（３１）と、得られた酸素（Ｏ）およ
び水素（Ｈ）をそれぞれ蓄える酸素貯蓄部（３４）およ
び水素貯蓄部（３５）と、これら水素（Ｈ）と酸素
（Ｏ）を燃料として発電する燃料電池装置（３２）とか
らなる燃料電池発電設備において、 水電解装置（３１）には、水（Ｗ）の電解を行う電解槽
（４１）の上方に、電解された酸素（Ｏ）と水素（Ｈ）
を冷却しつつ発生した凝縮水（Ｗ’）を電解槽（４１）
に戻す熱交換器（４２）が一体に設けられていることを
特徴とする燃料電池発電設備。1. A water electrolysis device (31) for electrolyzing water (W) into hydrogen (H) and oxygen (O), and an oxygen storage unit (34) for storing the obtained oxygen (O) and hydrogen (H), respectively. ) And a hydrogen storage unit (35), and a fuel cell power generation system (32) that generates power using these hydrogen (H) and oxygen (O) as fuel. Electrolyzed oxygen (O) and hydrogen (H) are placed above an electrolytic cell (41) for electrolyzing (W).
The condensed water (W ′) generated while cooling the water is supplied to the electrolytic cell (41).
A fuel cell power plant, wherein a heat exchanger (42) is provided integrally with the fuel cell. 【請求項２】 請求項１記載の燃料電池発電設備におい
て、 前記熱交換器（４２）には、電解された酸素（Ｏ）を流
す酸素流路（４４）と、水素（Ｈ）を流す水素流路（４
５）と、これら両流路（４４、４５）に隣接して酸素
（Ｏ）、水素（Ｈ）との間での熱交換を行う熱交換路
（４３）とが備えられ、 該熱交換路（４３）には、前記電解槽（４１）に向かう
水（Ｗ）が供給されることを特徴とする燃料電池発電設
備。2. The fuel cell power plant according to claim 1, wherein the heat exchanger (42) has an oxygen flow path (44) through which electrolyzed oxygen (O) flows, and a hydrogen flow through which hydrogen (H) flows. Channel (4
5) and a heat exchange path (43) adjacent to these two flow paths (44, 45) for heat exchange between oxygen (O) and hydrogen (H). (43) The fuel cell power generation facility, wherein water (W) heading for the electrolytic cell (41) is supplied. 【請求項３】 請求項１記載の燃料電池発電設備におい
て、 前記酸素流路（４４）および水素流路（４５）の内壁面
（４４ａ、４５ａ）に、凝縮水（Ｗ’）を流下させる下
り勾配の複数の流路抵抗板（４６）が取り付けられてい
ることを特徴とする燃料電池発電設備。3. The fuel cell power plant according to claim 1, wherein the condensed water (W ′) flows down the inner wall surfaces (44a, 45a) of the oxygen flow path (44) and the hydrogen flow path (45). A fuel cell power generation facility comprising a plurality of gradient flow path resistance plates (46).
JP10158227A 1998-06-05 1998-06-05 Fuel cell power generating set Pending JPH11354132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10158227A JPH11354132A (en) 1998-06-05 1998-06-05 Fuel cell power generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10158227A JPH11354132A (en) 1998-06-05 1998-06-05 Fuel cell power generating set

Publications (1)

Publication Number Publication Date
JPH11354132A true JPH11354132A (en) 1999-12-24

Family

ID=15667065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10158227A Pending JPH11354132A (en) 1998-06-05 1998-06-05 Fuel cell power generating set

Country Status (1)

Country Link
JP (1) JPH11354132A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001338672A (en) * 2000-05-26 2001-12-07 Shinko Pantec Co Ltd Home-use electric power supply system
WO2002023661A1 (en) * 2000-09-14 2002-03-21 Kabushiki Kaisha Toshiba Solid polymer type fuel cell system
EP1263072A1 (en) * 2001-05-30 2002-12-04 Casale Chemicals SA Method and apparatus for the storage and redistribution of electrical energy
JP2010067454A (en) * 2008-09-10 2010-03-25 Mitsubishi Heavy Ind Ltd Power storage device
CN103337646A (en) * 2013-05-30 2013-10-02 武汉日新科技股份有限公司 Home-used photovoltaic hydrogen production and fuel cell thermal-electricity combined providing machine
JP2013542345A (en) * 2010-07-29 2013-11-21 ウニヴェルシタ デリ ストゥディ ディ カッリャリ The process of producing materials for civilian and / or industrial facilities on the Moon, Mars, and / or asteroids

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001338672A (en) * 2000-05-26 2001-12-07 Shinko Pantec Co Ltd Home-use electric power supply system
WO2002023661A1 (en) * 2000-09-14 2002-03-21 Kabushiki Kaisha Toshiba Solid polymer type fuel cell system
EP1263072A1 (en) * 2001-05-30 2002-12-04 Casale Chemicals SA Method and apparatus for the storage and redistribution of electrical energy
US7112380B2 (en) 2001-05-30 2006-09-26 Casale Chemicals S.A. Method and apparatus for the storage and redistribution of electrical energy
JP2010067454A (en) * 2008-09-10 2010-03-25 Mitsubishi Heavy Ind Ltd Power storage device
JP2013542345A (en) * 2010-07-29 2013-11-21 ウニヴェルシタ デリ ストゥディ ディ カッリャリ The process of producing materials for civilian and / or industrial facilities on the Moon, Mars, and / or asteroids
CN103337646A (en) * 2013-05-30 2013-10-02 武汉日新科技股份有限公司 Home-used photovoltaic hydrogen production and fuel cell thermal-electricity combined providing machine

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