JPH01166468A - Fuel cell power generation system - Google Patents
Fuel cell power generation systemInfo
- Publication number
- JPH01166468A JPH01166468A JP62326003A JP32600387A JPH01166468A JP H01166468 A JPH01166468 A JP H01166468A JP 62326003 A JP62326003 A JP 62326003A JP 32600387 A JP32600387 A JP 32600387A JP H01166468 A JPH01166468 A JP H01166468A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- fuel cell
- cooling water
- water
- battery cooling
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 42
- 238000010248 power generation Methods 0.000 title claims description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 210000004027 cell Anatomy 0.000 abstract description 31
- 210000005056 cell body Anatomy 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective 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
- 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
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、燃料電池発電システムの電池冷却水の昇温
方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for increasing the temperature of battery cooling water in a fuel cell power generation system.
燃料電池は、燃料極に水素を含む燃料ガスを、空気極に
空気をそれぞれ連続的に供給して酸化還元反応を行わせ
ることＫよシ、１力を外部に取シ出す。この反応に伴う
熱を除資するために１燃料電池に冷却器が設けられ、電
池冷却水ポンプ、水蒸気分離器と併せて構成される電池
冷却系からの冷却水通水によ〕電池の冷却が行われる＠
一方燃料電池は、反応促進のため一定の動作温度（例え
ば２００℃）が必要で、このために停止状態から始動す
るときに、燃料電池を昇温させる必要がある。A fuel cell continuously supplies hydrogen-containing fuel gas to the fuel electrode and air to the air electrode to perform an oxidation-reduction reaction, and also extracts power to the outside. In order to eliminate the heat associated with this reaction, a cooler is installed in each fuel cell, and the battery is cooled by cooling water flowing from the battery cooling system, which is composed of a battery cooling water pump and a steam separator. will be held@
On the other hand, fuel cells require a certain operating temperature (for example, 200° C.) to promote reactions, and for this reason, it is necessary to raise the temperature of the fuel cell when starting from a stopped state.
この方法として、電池冷却系の冷却水の昇温循環によシ
ミ池の昇温を行う方法が一般的である０第３因は、例え
ば日本産業機械工業会昭和５９年６月発行「オンサイト
型燃料電池の技Ｍ調査報告書」第１１〜１ｓページに示
された従来の燃料電池発電システムの昇温方法を示す図
である。図にお−で、（１）は燃料電池本体１（１リ−
（１１１） ＃ （１０）ｔ［料電池本体のそれぞれ燃
料極、空気極、冷却器、（２）は冷却器（ｌｏ）の中の
冷却管、（３）は水蒸気分離器、（４）は電池冷却水ポ
ンプ％ （５＆） ＃ （５ｂ）は冷却水配管、（６）
はボイラ、（７）は加熱フィル、（８）はバーナ、（９
）は電池冷却水である０次にこの従来技術の動作にっ−
て説明する。A common method for this is to raise the temperature of the stain pond by circulating the cooling water in the battery cooling system. FIG. 2 is a diagram illustrating a method of increasing the temperature of a conventional fuel cell power generation system shown in pages 11 to 1s of "Technical Research Report on Fuel Cells". In the figure, (1) is the fuel cell main body 1 (1 lead).
(111) # (10) t [Fuel electrode, air electrode, and cooler of the fuel cell body, (2) is the cooling pipe in the cooler (lo), (3) is the steam separator, (4) is Battery cooling water pump% (5&) # (5b) is cooling water piping, (6)
is the boiler, (7) is the heating filter, (8) is the burner, (9
) is the battery cooling water.
I will explain.
燃料電池本体（１）は、停止保管中は比較的低−温度（
例えは４０〜６０℃）に保持されるが、負荷運転に際し
ては、この状態から燃料電池本体（１）を動作温度付近
まで昇温させる必要がある。まず電池冷却水ポンプ（４
）を運転し、電池冷却水（９）を燃料電池本体（１）の
冷却管（２）、水蒸気分離器Ｃ３）、冷却水配管（５＆
） 、 （５ｂ）で構成される電池冷却系内を循環させ
る。この状態で水蒸気分離器（３）の側面に設けられた
ボイラ（６）のバーナ（８）を点火する。ボイラ（６）
内では、水蒸気分離器（３）内の電池冷却水（９）を循
環させる加熱フィル（７）が配置され、バーナ（８）の
燃焼熱が加熱コイル（７）を経て水蒸気分離器（３）内
の電池冷却水（９）に伝えられる＠熱を吸収した電池冷
却水（９）は、冷却水配管（ａｍ） 、電池冷却水ポン
プ（４）を経て燃料電池本体（１）の冷却管（２）Ｋ供
給され、ここで、燃料電池本体（１）へ熱か伝えられる
。冷却管（２）を出た電池冷却水（９）は、冷却水配管
（５りを経て水蒸気分離器（３）に戻シ、再びボイラ（
６）よ〕熱を吸収する＠かくして、電池冷却水（９）の
昇温、及びこれに伴う燃料電池本体（１）の昇温か行わ
れる。The fuel cell main body (1) is kept at a relatively low temperature (
For example, the fuel cell main body (1) is maintained at a temperature of 40 to 60° C.), but during load operation, it is necessary to raise the temperature of the fuel cell main body (1) from this state to around the operating temperature. First, the battery cooling water pump (4
), the battery cooling water (9) is supplied to the cooling pipe (2) of the fuel cell main body (1), the steam separator C3), and the cooling water piping (5 &
), (5b) is circulated within the battery cooling system. In this state, the burner (8) of the boiler (6) provided on the side of the steam separator (3) is ignited. Boiler (6)
Inside, a heating filter (7) is arranged to circulate the battery cooling water (9) in the steam separator (3), and the combustion heat of the burner (8) passes through the heating coil (7) to the steam separator (3). The battery cooling water (9) that has absorbed the heat is transferred to the battery cooling water (9) inside the fuel cell body (1) via the cooling water piping (am) and the battery cooling water pump (4). 2) K is supplied, and here the heat is transferred to the fuel cell main body (1). The battery cooling water (9) that has exited the cooling pipe (2) is returned to the steam separator (3) via the cooling water pipe (5), and then returned to the boiler (3).
6) Absorb heat @Thus, the temperature of the cell cooling water (9) and the accompanying temperature of the fuel cell body (1) are increased.
ところで、以上のような従来システムにおいては、電池
冷却水（９）を加熱コイル（７）に導入・循環させるの
に、密度差による自然循環を利用しているため、加熱量
に制限があシ、且つ燃焼効率が悪く、燃料電池本体（１
）の昇！ｌＫ多くのボイラ燃料と多くの時間を要すると
−う欠点を有していた。By the way, in the conventional system as described above, natural circulation due to density difference is used to introduce and circulate the battery cooling water (9) into the heating coil (7), so there is a limit to the amount of heating. , the combustion efficiency is poor, and the fuel cell body (1
) noboru! It has the disadvantage that it requires a lot of boiler fuel and a lot of time.
この発明は、上記のような問題点を解消するためになさ
れたもので、短時間に且つ効率良く電池冷却水を昇温さ
せることができる燃料電池発電システムを提供すること
を目的とする。This invention was made to solve the above-mentioned problems, and an object thereof is to provide a fuel cell power generation system that can efficiently raise the temperature of battery cooling water in a short time.
〔問題点を解決するための手５段〕
この発明に係わる燃料電池発電システムは一スチーム供
給装置からのスチームを、温水器を用いて電池冷却水と
混合させるようＫしたものである。[Five Means for Solving the Problems] The fuel cell power generation system according to the present invention mixes steam from a steam supply device with battery cooling water using a water heater.
この発明における燃料電池発電システムでは、スチーム
供給装置からのスチームが水蒸気分離器内の電池冷却水
に混合されるので、効率良く電池冷却水の昇温を行わせ
ることができる。In the fuel cell power generation system according to the present invention, the steam from the steam supply device is mixed with the battery cooling water in the steam separator, so that the temperature of the battery cooling water can be raised efficiently.
以下、この発明の一実施例を第１図に基いて説明する。 An embodiment of the present invention will be described below with reference to FIG.
第１図において、（１） ｅ （１＆）〜（１０） ＃
（２）〜（’） ｙ （ｓ＆） ＊ （”） ？ （
９）は、第３図に示す従来構成と同じものである。αＧ
はボイラに代表されるスチーム供給装置、■はスチーム
供給装置αＯからのスチームを水蒸気分離器（３）から
導かれる電池冷却水（９）と混合して温水を発生させる
温水器、■はスチーム供給装置ａＯから温水器■にスチ
ームを導くスチーム配管、■は水蒸気分離器（３）から
温水器■に電池冷却水（９）を導く吸込配管、（２）は
温水器０で発生した温水を水蒸気分離器（３） Ｋ”導
く温水配管である。In Figure 1, (1) e (1 &) ~ (10) #
(2)～(') y (s&) * (”) ? (
9) is the same as the conventional configuration shown in FIG. αG
1 is a steam supply device represented by a boiler, 2 is a water heater that generates hot water by mixing steam from the steam supply device αO with battery cooling water (9) led from a steam separator (3), and 2 is a steam supply Steam piping that leads the steam from the device aO to the water heater ■, ■ is the suction pipe that leads the battery cooling water (9) from the steam separator (3) to the water heater ■, and (2) is the steam piping that leads the hot water generated in the water heater 0 to the water heater ■. Separator (3) This is hot water piping leading to K”.
次いで第１図の実施例の動作につ―て説明する口燃料電
池発電システムを始動させるときに、電池冷却水ポンプ
（４）を運転し、電池冷却水（９）を電池冷却系内に循
環させるのは従来技術と同一であるＯこれと並行してス
チーム供給装置頭を働かせてスチームをスチーム配管■
を経由して温水器■に供給する。温水器０は、例えはエ
ジェクタの様なもので、スチーム供給装置αＧからのス
チームを駆動力として、水蒸気分離器（３）内の電池冷
却水（９）を吸込配管口を経由して吸込む。両者混合し
て温水か発生し、この温水は温水配管（２）を通って水
蒸気分離器（３）に戻される。このようＫして、水蒸気
分離器（３）内の電池冷却水（９）は温水器０に於てス
チームの熱量が付与され、これによって電池冷却水（９
）の昇温、これに伴う燃料電池本体（１）の昇温を行わ
せることかできる。この方法では、温水器回がスチーム
を駆動力としたポンプ作用を有し、電池冷却水（９）を
強制循環させるので、従来方式に比べ太き一加熱量を与
えることができ一燃料電池本体（１）の昇温時間を短縮
することができる。またスチーム供給袋＠（２）は例え
は市販のパツナージボイラの様な燃焼効率の高いものを
利用でき、よシ少ない燃料量で効率良く昇温を行わせる
ことができる◎なお、スチーム供給装置αＧからのスチ
ームを直接水蒸気分離器（３）内の電池冷却水（９）に
投入する方法も考えられるが、この方法は水蒸気分離器
Ｃ３）で大きな騒音、振動が発生するので実用的ではな
い。Next, the operation of the embodiment shown in FIG. 1 will be explained. When starting the fuel cell power generation system, the battery cooling water pump (4) is operated to circulate the battery cooling water (9) into the battery cooling system. This is the same as the conventional technology.In parallel, the head of the steam supply device works to supply steam to the steam pipe■
Supplied to the water heater■ via. The water heater 0 is, for example, something like an ejector, and uses the steam from the steam supply device αG as a driving force to suck the battery cooling water (9) in the steam separator (3) through a suction pipe port. Both are mixed to generate hot water, which is returned to the steam separator (3) through the hot water pipe (2). In this way, the battery cooling water (9) in the steam separator (3) is given the heat of steam in the water heater 0, and thereby the battery cooling water (9)
), and the temperature of the fuel cell body (1) can be raised accordingly. In this method, the water heater circuit has a pumping action using steam as the driving force, and the battery cooling water (9) is forced to circulate, so it is possible to provide a larger amount of heating compared to the conventional method. (1) The temperature increase time can be shortened. In addition, the steam supply bag @ (2) can be made of a highly combustion efficient one, such as a commercially available Patunage boiler, and the temperature can be raised efficiently with a much smaller amount of fuel.In addition, from the steam supply device αG It is also conceivable to directly introduce the steam into the battery cooling water (9) in the steam separator (3), but this method is not practical because it generates large noise and vibrations in the steam separator (C3).
第１図では、温水器■がポンプ作用を有し、電池冷却水
（９）を強制循環させる例を示したが、必ずしも温水器
０がエジェクタの様なポンプ作用の機能を有する必要は
なく、例えば、吸込配管（至）上に循環用のポンプを設
置すれば良く、同じ効果を奏する。また第１図では、温
水器Ｉを水蒸気分離器（３）の外部に配置した例を示し
たが、必ずしもこの様に配置する必要はなく、水蒸気分
離器（３）の内部に温水器■を配置しても良く、この−
例を第２図に示す。第２図にお−で、温水器０は水蒸気
分離器（３）の内部に設けられ、スチーム供給装置ωか
らのスチームは、スチーム配管■を通シ、水蒸気分離器
（３）内の温水器■に供給され、ここで周囲の電池冷却
水（９）を吸込んで温水を発生する＠発生した温水は水
蒸気分離器（３）内で電池冷却水（９）と混合し、電池
冷却水（９）を昇温させる。この様に１第１図に示す方
法によっても１第１図のものと全く同機の効果を奏する
。In FIG. 1, an example is shown in which the water heater 0 has a pumping function and forcibly circulates the battery cooling water (9), but the water heater 0 does not necessarily have to have a pumping function like an ejector. For example, a circulation pump may be installed on the suction pipe, and the same effect can be achieved. In addition, although Fig. 1 shows an example in which the water heater I is placed outside the steam separator (3), it is not necessarily necessary to arrange it in this way, and the water heater I is placed inside the steam separator (3). You can also place this −
An example is shown in FIG. In Fig. 2, water heater 0 is installed inside the steam separator (3), and steam from the steam supply device ω is passed through the steam pipe ■ to the water heater 0 inside the steam separator (3). ■It sucks in the surrounding battery cooling water (9) and generates hot water.@The generated hot water is mixed with the battery cooling water (9) in the steam separator (3), and the battery cooling water (9) is supplied to the battery cooling water (9). ) to raise the temperature. In this way, the method shown in FIG. 1 also produces exactly the same effect as the method shown in FIG. 1.
以上のように、この発明によれは、スチーム供給装置か
らのスチームを、温水器を用いて電池冷却水と混合させ
るようにしたので、短時間に且つ効率良く燃料電池本体
の昇温を行わせることができる。As described above, according to the present invention, the steam from the steam supply device is mixed with the battery cooling water using a water heater, so that the temperature of the fuel cell main body can be raised efficiently in a short time. be able to.
第１図は、この発明の一実施例による燃料電池発電シス
テムを示す系統図、＠２図はこの発明の他の実施例によ
る燃料電池発電システムを示す系統図、第３図は従来の
燃料電池発電システムを示す系統図である。
図において、（１）は燃料電池本体、（１−）は燃料極
１（１１））は空気極、（ｌａ）は冷却器、（３）は水
蒸気分離器、（４）は電池冷却水ポンプ、（９）は電池
冷却水、αＧはスチーム供給装置、■は温水器である。
なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is a system diagram showing a fuel cell power generation system according to one embodiment of the present invention, @2 is a system diagram showing a fuel cell power generation system according to another embodiment of the present invention, and FIG. 3 is a system diagram showing a fuel cell power generation system according to another embodiment of the present invention. It is a system diagram showing a power generation system. In the figure, (1) is the fuel cell body, (1-) is the fuel electrode 1 (11)) is the air electrode, (la) is the cooler, (3) is the steam separator, and (4) is the battery cooling water pump. , (9) is battery cooling water, αG is a steam supply device, and ■ is a water heater. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
気分離器、電池冷却水ポンプとで構成される燃料電池の
冷却系とを有する燃料電池発電システムにおいて、スチ
ームを供給するスチーム供給装置と、前記水蒸気分離器
内の電池冷却水と、前記スチーム供給装置からのスチー
ムを混合して温水を発生させる温水器とを備えたことを
特徴とする燃料電池発電システム。A steam supply device for supplying steam in a fuel cell power generation system having a fuel cell main body consisting of a fuel electrode, an air electrode, and a cooler, and a fuel cell cooling system consisting of a steam separator and a cell cooling water pump. A fuel cell power generation system comprising: a water heater that mixes battery cooling water in the steam separator and steam from the steam supply device to generate hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62326003A JP2634180B2 (en) | 1987-12-23 | 1987-12-23 | Fuel cell power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62326003A JP2634180B2 (en) | 1987-12-23 | 1987-12-23 | Fuel cell power generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01166468A true JPH01166468A (en) | 1989-06-30 |
| JP2634180B2 JP2634180B2 (en) | 1997-07-23 |
Family
ID=18183008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62326003A Expired - Lifetime JP2634180B2 (en) | 1987-12-23 | 1987-12-23 | Fuel cell power generation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2634180B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE39416E1 (en) | 1999-01-08 | 2006-12-05 | Lg Electronics Inc. | Structure of rotor for outer rotor type brushless motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191824A (en) * | 1985-02-20 | 1986-08-26 | Takenaka Komuten Co Ltd | Fuel cell power generation type hot water supplier for space cooling and heating |
| JPS62290065A (en) * | 1986-06-10 | 1987-12-16 | Mitsubishi Electric Corp | Fuel cell power generating unit |
-
1987
- 1987-12-23 JP JP62326003A patent/JP2634180B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191824A (en) * | 1985-02-20 | 1986-08-26 | Takenaka Komuten Co Ltd | Fuel cell power generation type hot water supplier for space cooling and heating |
| JPS62290065A (en) * | 1986-06-10 | 1987-12-16 | Mitsubishi Electric Corp | Fuel cell power generating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE39416E1 (en) | 1999-01-08 | 2006-12-05 | Lg Electronics Inc. | Structure of rotor for outer rotor type brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2634180B2 (en) | 1997-07-23 |
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