JPH0636785A - Differential pressure preventing device for fuel cell - Google Patents
Differential pressure preventing device for fuel cellInfo
- Publication number
- JPH0636785A JPH0636785A JP4190377A JP19037792A JPH0636785A JP H0636785 A JPH0636785 A JP H0636785A JP 4190377 A JP4190377 A JP 4190377A JP 19037792 A JP19037792 A JP 19037792A JP H0636785 A JPH0636785 A JP H0636785A
- Authority
- JP
- Japan
- Prior art keywords
- anode
- gas
- cathode
- differential pressure
- fuel 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
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
Landscapes
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は燃料電池の差圧防止装置
に関し、更に詳しくは、溶融炭酸塩型燃料電池における
アノード側、カソード側、及び格納容器内との間の差圧
を抑制する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel cell differential pressure prevention device, and more particularly to a device for suppressing the differential pressure between the anode side, the cathode side and the inside of a containment vessel in a molten carbonate fuel cell. Regarding
【０００２】[0002]
【従来の技術】溶融炭酸塩型燃料電池（図２）は、薄い
平板状の電解質板（タイル）１を燃料極（アノード）２
と空気極（カソード）３の平板状の電極で挟んだセル
（単セル）４から構成され、この燃料電池を約６５０°
Ｃに保持し、アノード側に水素を含むアノードガスを供
給し、カソード側に酸素を含むカソードガスを供給する
ことによりアノード、カソード間で発電するものであ
る。しかし、単セルでは電圧が低い（０．８Ｖ程度）た
め、実用上は導電性のバイポーラプレート（セパレー
タ）５を介し多数段に積層した電池（スタック）として
用いられる。更に、かかる燃料電池は、効率を高め、装
置を小型にするために通常圧力容器内に格納され、加圧
下（例えば３〜１０ａｔａ）で運転される。2. Description of the Related Art In a molten carbonate fuel cell (FIG. 2), a thin flat electrolyte plate (tile) 1 is connected to a fuel electrode (anode) 2.
And a cell (single cell) 4 sandwiched between flat electrodes of an air electrode (cathode) 3 and a fuel cell of about 650 °
By holding at C, an anode gas containing hydrogen is supplied to the anode side and a cathode gas containing oxygen is supplied to the cathode side, power is generated between the anode and the cathode. However, since the voltage of a single cell is low (about 0.8 V), it is practically used as a battery (stack) stacked in multiple stages with a conductive bipolar plate (separator) 5 interposed therebetween. Furthermore, such fuel cells are usually housed in a pressure vessel and operated under pressure (e.g., 3-10 ata) to increase efficiency and miniaturize the device.
【０００３】[0003]
【発明が解決しようとする課題】燃料電池の電解質板
（タイル）はセラミックの粉末焼結体に電解液が毛細管
現象で浸み込んだものであり、この電解液のセパレータ
との濡れによって、各セル間のガスのシール、及び格納
容器内と燃料電池内との間のガスのシールが行われる。
かかる濡れによるシール（ウェットシール）の性能は燃
料電池の運転状態によって影響を受けやすく、極めて小
さい圧力差（例えば約４００ｍｍＡｑ）でもガスが漏洩
することがある。かかるガスの漏洩により、例えば、ア
ノードガスとカソードガスが混合するとアノードガス中
の水素が燃焼し、燃料電池を破壊するおそれがある。従
って、従来からアノード側、カソード側、及び格納容器
内の間の差圧を防止する装置が要望されていた。An electrolyte plate (tile) of a fuel cell is a ceramic powder sintered body in which an electrolytic solution is impregnated by a capillary phenomenon, and when the electrolytic solution gets wet with a separator, Gas is sealed between the cells and between the containment vessel and the fuel cell.
The performance of the seal due to such wetting (wet seal) is easily affected by the operating state of the fuel cell, and gas may leak even with an extremely small pressure difference (for example, about 400 mmAq). Due to such gas leakage, for example, when the anode gas and the cathode gas are mixed, hydrogen in the anode gas may be burned and the fuel cell may be destroyed. Therefore, conventionally, there has been a demand for a device that prevents a pressure difference between the anode side, the cathode side, and the inside of the storage container.
【０００４】かかる要望を満たすために、アノードガス
及びカソードガスの下流にそれぞれ圧力調節弁を備え、
アノードガスとカソードガスの間、及び容器内ガスとカ
ソードガスの差圧に応じて圧力調節弁を制御する手段が
従来用いられていた。しかし、かかる手段では、圧力調
節弁の故障や作動の遅れにより差圧が発生する問題があ
った。In order to meet such demands, pressure control valves are provided downstream of the anode gas and the cathode gas, respectively.
Conventionally, means for controlling the pressure control valve between the anode gas and the cathode gas and depending on the pressure difference between the gas in the container and the cathode gas has been used. However, in such means, there is a problem that a differential pressure occurs due to a failure of the pressure control valve or a delay in operation.
【０００５】本発明は、かかる問題を解決するために創
案されたものである。すなわち本発明は、少なくともア
ノードガスとカソードガスが混合することなく、差圧を
防止することができる装置を提供することを目的とす
る。更に本発明は、格納容器内のガスとカソードガス及
びアノードガスとが混合することなく、差圧を防止する
ことができる装置を提供することを目的とする。The present invention was created to solve such a problem. That is, an object of the present invention is to provide an apparatus capable of preventing a pressure difference without mixing at least an anode gas and a cathode gas. Another object of the present invention is to provide a device capable of preventing a pressure difference without mixing the gas in the storage container with the cathode gas and the anode gas.
【０００６】[0006]
【課題を解決するための手段】本発明によれば、内部に
液体が充填されたアノード水封器と、内部に液体が充填
され、下端部が前記アノード水封器と連通するカソード
水封器と、アノード水封器の上端部と燃料電池のアノー
ドガスとを連通するアノード分岐ラインと、カソード水
封器の上端部と燃料電池のカソードガスとを連通するカ
ソード分岐ラインと、を備えることを特徴とする燃料電
池の差圧防止装置が提供される。According to the present invention, there is provided an anode water sealer having a liquid filled therein, and a cathode water sealer having a lower end communicating with the anode water sealer. And an anode branch line that connects the upper end of the anode water sealer with the anode gas of the fuel cell, and a cathode branch line that connects the upper end of the cathode water sealer with the cathode gas of the fuel cell. A fuel cell differential pressure prevention device is provided.
【０００７】本発明の好ましい実施例によれば、前記ア
ノード分岐ラインに設けられたアノード分岐弁と、前記
カソード分岐ラインに設けられたカソード分岐弁と、ア
ノードガスとカソードガスとの差圧を検出して前記アノ
ード分岐弁及びカソード分岐弁を開放する差圧検出制御
装置と、を更に備える。内部に液体が充填され、下端部
が前記アノード水封器及びカソード水封器と連通する容
器水封器と、容器水封器の上端部と燃料電池を格納する
格納容器内のガスとを連通する容器内ガス分岐ライン
と、を更に備えることが好ましい。更に、前記アノード
分岐ラインに設けられたアノード分岐弁と、前記カソー
ド分岐ラインに設けられたカソード分岐弁と、前記容器
内ガス分岐ラインに設けられた容器内ガス分岐弁と、ア
ノードガスとカソードガスとの差圧、及び容器内ガスと
カソードガスとの差圧を検出して前記アノード分岐弁、
カソード分岐弁、及び容器内ガス分岐弁を開放する差圧
検出制御装置と、を更に備えることが好ましい。According to a preferred embodiment of the present invention, the anode branch valve provided in the anode branch line, the cathode branch valve provided in the cathode branch line, and the differential pressure between the anode gas and the cathode gas are detected. And a differential pressure detection control device for opening the anode branch valve and the cathode branch valve. A container water sealer whose inside is filled with liquid and whose lower end communicates with the anode water sealer and the cathode water sealer, and an upper end of the container water sealer communicates with the gas in the storage container storing the fuel cell. It is preferable to further include an in-container gas branch line. Further, an anode branch valve provided in the anode branch line, a cathode branch valve provided in the cathode branch line, an in-container gas branch valve provided in the in-container gas branch line, an anode gas and a cathode gas The differential pressure between the anode branch valve and the pressure difference between the gas inside the container and the cathode gas,
It is preferable to further include a cathode branch valve and a differential pressure detection control device for opening the in-container gas branch valve.
【０００８】[0008]
【作用】上記本発明の構成によれば、アノードガスとカ
ソードガスとの間に差圧が発生し、例えばアノードガス
の圧力が高くなると、アノードガスの高い圧力がアノー
ド分岐ラインを介してアノード水封器の上端部に伝えら
れ、カソードガスの低い圧力がカソード分岐ラインを介
してカソード水封器の上端部に伝えられる。アノード水
封器とカソード水封器には液体が充填され、それらの下
端部が連通しているので、アノード水封器の液面が下が
り、カソード水封器の液面が上がって、液面の差に相当
する圧力が前記差圧に一致する位置で圧力がバランスす
る。かかる液面の変化によりアノードガスの一部がアノ
ード水封器内に抜かれ、カソードガスの一部がカソード
水封器から戻される。これにより、アノードガスとカソ
ードガスとが混合することなく、差圧が減少し、差圧を
防止することができる。According to the above-described structure of the present invention, when a differential pressure is generated between the anode gas and the cathode gas, and, for example, the pressure of the anode gas increases, the high pressure of the anode gas passes through the anode branch line to the anode water. The lower pressure of the cathode gas is transmitted to the upper end portion of the sealing device and is transmitted to the upper end portion of the cathode water sealing device through the cathode branch line. Since the anode water seal and the cathode water seal are filled with liquid and their lower ends communicate with each other, the liquid level of the anode water seal decreases and the liquid level of the cathode water seal rises to The pressure is balanced at a position where the pressure corresponding to the difference of the pressure difference matches the pressure difference. Due to the change in the liquid level, a part of the anode gas is discharged into the anode water sealer, and a part of the cathode gas is returned from the cathode water sealer. As a result, the differential pressure can be reduced and the differential pressure can be prevented without mixing the anode gas and the cathode gas.
【０００９】前記アノード分岐ラインにアノード分岐弁
を設け、前記カソード分岐ラインにカソード分岐弁を設
けて、アノードガスとカソードガスとの差圧を検出して
前記アノード分岐弁及びカソード分岐弁を開放すれば、
差圧を検出するまでは各水封器へのガスの流通をなくす
ことができ、ガス中の成分（例えばＣＯ2 ，ＣＯ，水蒸
気等）が液体に溶けるのを最小限に抑えて、差圧を防止
することができる。An anode branch valve is provided on the anode branch line, a cathode branch valve is provided on the cathode branch line, and the differential pressure between the anode gas and the cathode gas is detected to open the anode branch valve and the cathode branch valve. If
Until the differential pressure is detected, the flow of gas to each water sealer can be eliminated, and the components in the gas (for example, CO 2 , CO, steam, etc.) can be minimized from being dissolved in the liquid, and the differential pressure can be reduced. Can be prevented.
【００１０】更に、前記燃料電池を格納する格納容器
と、内部に液体が充填され、下端部が前記アノード水封
器及びカソード水封器と連通する容器水封器と、容器水
封器の上端部と容器内ガスとを連通する容器内ガス分岐
ラインと、を備えれば、同様の作用により、格納容器内
のガスとカソードガス及びアノードガスとが混合するこ
となく、差圧を防止することができる。Further, a storage container for storing the fuel cell, a container water sealer having a lower end communicating with the anode water sealer and the cathode water sealer, and an upper end of the container water sealer. And a gas branch line for communicating the gas in the container with each other, by the same action, the gas in the storage container and the cathode gas and the anode gas are prevented from being mixed with each other to prevent a differential pressure. You can
【００１１】[0011]
【実施例】以下に本発明の好ましい実施例を図面を参照
して説明する。図１は本発明による燃料電池の差圧防止
装置の全体構成図である。この図において、燃料電池の
差圧防止装置は、内部に液体が充填されたアノード水封
器１１と、内部に液体が充填され、下端部がアノード水
封器１１と連通するカソード水封器１２と、アノード水
封器１１の上端部と燃料電池１０のアノードガス６とを
連通するアノード分岐ライン１４と、カソード水封器１
２の上端部と燃料電池１０のカソードガス７とを連通す
るカソード分岐ライン１５と、を備えている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall configuration diagram of a fuel cell differential pressure prevention device according to the present invention. In this figure, a differential pressure prevention device for a fuel cell includes an anode water sealer 11 having a liquid filled therein and a cathode water sealer 12 having a lower end communicating with the anode water sealer 11 and a lower end portion communicating with the anode water sealer 11. An anode branch line 14 that connects the upper end of the anode water sealer 11 to the anode gas 6 of the fuel cell 10, and the cathode water sealer 1.
A cathode branch line 15 that connects the upper end portion of the fuel cell 2 and the cathode gas 7 of the fuel cell 10 is provided.
【００１２】図１の差圧防止装置は更に、内部に液体が
充填され、下端部が前記アノード水封器１１及びカソー
ド水封器１２と連通する容器水封器１３と、容器水封器
１３の上端部と燃料電池１０を格納する格納容器２０内
のガスとを連通する容器内ガス分岐ライン１６と、を備
える。The differential pressure prevention apparatus of FIG. 1 is further filled with a liquid, and a lower end portion of the container water sealer 13 communicates with the anode water sealer 11 and the cathode water sealer 12, and a container water sealer 13. And an in-container gas branch line 16 that communicates the upper end of the with the gas in the storage container 20 that stores the fuel cell 10.
【００１３】アノード水封器１１、カソード水封器１
２、及び容器水封器１３は縦長の中空容器であり、それ
ぞれの高さは燃料電池が許容できる最大差圧（例えば４
００ｍｍＡｑ）が作用した場合でも液面が上端に達する
ことがなく、かつ液面が各水封器を連通する連通管より
も低くならない十分な高さを有する。また、各水封器の
容積は燃料電池設備の配管容積に相当する十分な大きさ
であることが好ましい。これにより、差圧の防止効果を
十分大きくできる。なお、内部に充填する液体は水であ
るのが良いが、これに限られず、例えば、水銀であって
も良い。Anode water seal 11 and cathode water seal 1
2, and the water container 13 is a vertically long hollow container, and the height of each container is the maximum differential pressure allowed by the fuel cell (for example, 4
(00 mmAq), the liquid level does not reach the upper end, and the liquid level has a sufficient height so as not to be lower than the communication pipe that communicates each water sealer. Further, it is preferable that the volume of each water sealer is sufficiently large to correspond to the volume of the piping of the fuel cell facility. Thereby, the effect of preventing the differential pressure can be sufficiently increased. The liquid filling the inside is preferably water, but not limited to this, and may be mercury, for example.
【００１４】アノード水封器１１、カソード水封器１
２、及び容器水封器１３のそれぞれの上端部には液面の
上限を検出する液面検出器２１が設けられている。この
液面検出器２１は静電容量式であるのが良いが、これに
限られず、例えば、磁気容量式であっても良い。これに
より、液面検出器２１により液面の上限を検出し、燃料
電池発電設備全体を停止させて燃料電池の差圧による損
傷を未然に防ぐことができる。Anode water seal 11 and cathode water seal 1
2, and a liquid level detector 21 for detecting the upper limit of the liquid level is provided at the upper end of each of the container water sealer 13. The liquid level detector 21 may be of a capacitance type, but is not limited to this, and may be of a magnetic capacitance type, for example. Thereby, the upper limit of the liquid level can be detected by the liquid level detector 21, and the entire fuel cell power generation facility can be stopped to prevent damage due to the differential pressure of the fuel cell.
【００１５】図１の差圧防止装置は更に、アノード分岐
ライン１４に設けられたアノード分岐弁１７と、カソー
ド分岐ライン１５に設けられたカソード分岐弁１８と、
容器内ガス分岐ライン１６に設けられた容器内ガス分岐
弁１９と、を備える。これらの弁は電磁作動式、あるい
はパイロットガス作動式の開閉弁であるのが良い。これ
により、各水封器へのガスの流通をなくすことができ、
ガス中の成分（例えばＣＯ2 ，ＣＯ，水蒸気等）が液体
に溶けるのを抑えることができる。The differential pressure prevention device of FIG. 1 further includes an anode branch valve 17 provided in the anode branch line 14, a cathode branch valve 18 provided in the cathode branch line 15, and
The in-container gas branch valve 19 provided in the in-container gas branch line 16 is provided. These valves may be solenoid operated or pilot gas operated on-off valves. This makes it possible to eliminate the flow of gas to each water ring,
It is possible to prevent the components in the gas (for example, CO 2 , CO, steam, etc.) from dissolving in the liquid.
【００１６】図１の差圧防止装置は更に、アノードガス
８とカソードガス９との差圧、及び容器内ガスとカソー
ドガス９との差圧を検出してアノード分岐弁１７、カソ
ード分岐弁１８、及び容器内ガス分岐弁１９を開放する
差圧検出制御装置２２を備える。差圧検出制御装置２２
は、差圧センサ２２ａと制御装置２２ｂからなる。これ
により、差圧を検出するまでは各水封器へのガスの流通
をなくすことができる。The differential pressure prevention apparatus of FIG. 1 further detects the differential pressure between the anode gas 8 and the cathode gas 9 and the differential pressure between the gas inside the container and the cathode gas 9 to detect the anode branch valve 17 and the cathode branch valve 18. , And a differential pressure detection control device 22 for opening the in-container gas branch valve 19. Differential pressure detection control device 22
Is composed of a differential pressure sensor 22a and a control device 22b. As a result, it is possible to eliminate the flow of gas to each water seal device until the differential pressure is detected.
【００１７】上記本発明の構成によれば、アノードガス
６とカソードガス７との間に差圧が発生し、例えばアノ
ードガス６の圧力が高くなると、このアノードガス６の
高い圧力はアノード分岐ライン１４を介してアノード水
封器１１の上端部に伝えられ、カソードガス７の低い圧
力はカソード分岐ライン１５を介してカソード水封器１
２の上端部に伝えられる。アノード水封器１１とカソー
ド水封器１２には液体が充填され、それらの下端部が連
通しているので、アノード水封器１１の液面が下がり、
カソード水封器１２の液面が上がって、液面の差に相当
する圧力が差圧に一致する位置で圧力がバランスする。According to the above-mentioned structure of the present invention, when a differential pressure is generated between the anode gas 6 and the cathode gas 7, and the pressure of the anode gas 6 becomes high, the high pressure of the anode gas 6 becomes high. The low pressure of the cathode gas 7 transmitted to the upper end portion of the anode water sealer 11 via 14 and the cathode water sealer 1 via the cathode branch line 15.
2 is transmitted to the upper end. The anode water sealer 11 and the cathode water sealer 12 are filled with liquid, and the lower end portions thereof are in communication with each other, so that the liquid level of the anode water sealer 11 is lowered,
The liquid level of the cathode water sealer 12 rises, and the pressure is balanced at the position where the pressure corresponding to the difference between the liquid levels matches the differential pressure.
【００１８】かかる液面の変化によりアノードガス６の
一部がアノード水封器１１内に抜かれ、カソードガス７
の一部がカソード水封器１２から戻される。これによ
り、アノードガス６とカソードガス７とが混合すること
なく、差圧が低減し、差圧を防止することができる。A part of the anode gas 6 is discharged into the anode water sealer 11 due to the change in the liquid level, and the cathode gas 7 is discharged.
Is returned from the cathode water sealer 12. As a result, the differential pressure can be reduced and the differential pressure can be prevented without mixing the anode gas 6 and the cathode gas 7.
【００１９】アノード分岐ライン１４にアノード分岐弁
１７を設け、カソード分岐ライン１５にカソード分岐弁
１８を設けて、アノードガス８とカソードガス９との差
圧を検出してアノード分岐弁１７及びカソード分岐弁１
８を開放すれば、差圧を検出するまでは各水封器へのガ
スの流通をなくすことができ、ガス中の成分（例えばＣ
Ｏ2 ，ＣＯ，水蒸気等）が液体に溶けるのを最小限に抑
えて、差圧を防止することができる。An anode branch valve 17 is provided in the anode branch line 14 and a cathode branch valve 18 is provided in the cathode branch line 15 to detect the differential pressure between the anode gas 8 and the cathode gas 9 to detect the anode branch valve 17 and the cathode branch valve. Valve 1
If 8 is opened, the flow of gas to each water sealer can be eliminated until the differential pressure is detected, and the components in the gas (for example, C
O 2, CO, and the water vapor or the like) is dissolved in a liquid with minimal, it is possible to prevent the differential pressure.
【００２０】更に、燃料電池を格納する格納容器２０
と、内部に液体が充填され、下端部がアノード水封器１
１及びカソード水封器１２と連通する容器水封器１３
と、容器水封器１３の上端部と容器内ガスとを連通する
容器内ガス分岐ライン１６と、を備えれば、同様の作用
により、格納容器２０内のガスとカソードガス及びアノ
ードガスとが混合することなく、差圧を防止することが
できる。Further, a storage container 20 for storing the fuel cell
And the inside is filled with liquid, and the lower end is the anode water sealer 1.
1 and a container water seal 13 communicating with the cathode water seal 12
And a gas branch line 16 in the container that communicates the upper end of the container water sealer 13 with the gas in the container, the gas in the storage container 20, the cathode gas, and the anode gas can be operated by the same action. The pressure difference can be prevented without mixing.
【００２１】[0021]
【発明の効果】従って、上述した本発明によれば、少な
くともアノードガスとカソードガスとが混合することな
く、差圧を防止することができる。また、格納容器内の
ガスとカソードガス及びアノードガスとが混合すること
なく、差圧を防止することができる。Therefore, according to the present invention described above, the differential pressure can be prevented without mixing at least the anode gas and the cathode gas. Further, the pressure difference can be prevented without mixing the gas in the storage container with the cathode gas and the anode gas.
【図１】本発明による燃料電池の差圧防止装置の全体構
成図である。FIG. 1 is an overall configuration diagram of a differential pressure prevention device for a fuel cell according to the present invention.
【図２】溶融炭酸塩型燃料電池の模式的構成図である。FIG. 2 is a schematic configuration diagram of a molten carbonate fuel cell.
１ 電解質板（タイル） ２ 燃料極（アノード） ３ 空気極（カソード） ４ 単セル ５ バイポーラプレート（セパレータ） ６、８ アノードガス ７、９ カソードガス １０ 燃料電池 １１ アノード水封器 １２ カソード水封器 １３ 容器水封器 １４ アノード分岐ライン １５ カソード分岐ライン １６ 容器内ガス分岐ライン １７ アノード分岐弁 １８ カソード分岐弁 １９ 容器内ガス分岐弁 ２０ 格納容器 ２１ 液面検出器 ２２ 差圧検出制御装置 1 Electrolyte Plate (Tile) 2 Fuel Electrode (Anode) 3 Air Electrode (Cathode) 4 Single Cell 5 Bipolar Plate (Separator) 6, 8 Anode Gas 7, 9 Cathode Gas 10 Fuel Cell 11 Anode Water Sealer 12 Cathode Water Sealer 13 Container Water Sealer 14 Anode Branch Line 15 Cathode Branch Line 16 Container Gas Branch Line 17 Anode Branch Valve 18 Cathode Branch Valve 19 Container Gas Branch Valve 20 Storage Container 21 Liquid Level Detector 22 Differential Pressure Detection Control Device
Claims (4)
と、 内部に液体が充填され、下端部が前記アノード水封器と
連通するカソード水封器と、 アノード水封器の上端部と燃料電池のアノードガスとを
連通するアノード分岐ラインと、 カソード水封器の上端部と燃料電池のカソードガスとを
連通するカソード分岐ラインと、を備えることを特徴と
する燃料電池の差圧防止装置。1. An anode water sealer having a liquid filled therein, a cathode water sealer having a lower end communicating with the anode water sealer, and an upper end part of the anode water sealer. A fuel cell differential pressure prevention device comprising: an anode branch line communicating with the anode gas of the fuel cell; and a cathode branch line communicating the upper end of the cathode water sealer with the cathode gas of the fuel cell. .
ノード分岐弁と、前記カソード分岐ラインに設けられた
カソード分岐弁と、アノードガスとカソードガスとの差
圧を検出して前記アノード分岐弁及びカソード分岐弁を
開放する差圧検出制御装置と、を更に備えることを特徴
とする請求項１に記載の燃料電池の差圧防止装置。2. An anode branch valve provided in the anode branch line, a cathode branch valve provided in the cathode branch line, the differential pressure between the anode gas and the cathode gas, and the anode branch valve and the cathode. The differential pressure detection control device according to claim 1, further comprising: a differential pressure detection control device that opens the branch valve.
ノード水封器及びカソード水封器と連通する容器水封器
と、容器水封器の上端部と燃料電池を格納する格納容器
内のガスとを連通する容器内ガス分岐ラインと、を更に
備えることを特徴とする請求項１に記載の燃料電池の差
圧防止装置。3. A container water sealer having a lower end communicating with the anode water sealer and the cathode water sealer, and an upper end of the container water sealer and a storage container storing a fuel cell. The fuel cell differential pressure prevention device according to claim 1, further comprising: an in-container gas branch line that communicates with the gas.
ノード分岐弁と、前記カソード分岐ラインに設けられた
カソード分岐弁と、前記容器内ガス分岐ラインに設けら
れた容器内ガス分岐弁と、アノードガスとカソードガス
との差圧、及び容器内ガスとカソードガスとの差圧を検
出して前記アノード分岐弁、カソード分岐弁、及び容器
内ガス分岐弁を開放する差圧検出制御装置と、を更に備
えることを特徴とする請求項３に記載の燃料電池の差圧
防止装置。4. An anode branch valve provided in the anode branch line, a cathode branch valve provided in the cathode branch line, an in-container gas branch valve provided in the in-container gas branch line, and an anode gas And a differential pressure between the cathode gas, and a differential pressure between the gas inside the container and the cathode gas to detect the differential pressure and open the anode branch valve, the cathode branch valve, and the gas branch valve inside the container. The differential pressure prevention device for a fuel cell according to claim 3, further comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4190377A JPH0636785A (en) | 1992-07-17 | 1992-07-17 | Differential pressure preventing device for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4190377A JPH0636785A (en) | 1992-07-17 | 1992-07-17 | Differential pressure preventing device for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0636785A true JPH0636785A (en) | 1994-02-10 |
Family
ID=16257166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4190377A Pending JPH0636785A (en) | 1992-07-17 | 1992-07-17 | Differential pressure preventing device for fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636785A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2110878A3 (en) * | 2008-04-15 | 2010-06-30 | Diehl Aerospace GmbH | Device and method for operating a fuel cell |
| JP2014072150A (en) * | 2012-10-01 | 2014-04-21 | Japan Aerospace Exploration Agency | Regenerative fuel cell |
| JP2017162838A (en) * | 2017-05-17 | 2017-09-14 | 国立研究開発法人宇宙航空研究開発機構 | Regeneration type fuel cell |
| WO2018236450A1 (en) * | 2017-06-22 | 2018-12-27 | Fuelcell Energy, Inc. | System for rebalancing a pressure differential in an anode exhaust system of a fuel cell with a relational water seal |
-
1992
- 1992-07-17 JP JP4190377A patent/JPH0636785A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2110878A3 (en) * | 2008-04-15 | 2010-06-30 | Diehl Aerospace GmbH | Device and method for operating a fuel cell |
| US8168345B2 (en) | 2008-04-15 | 2012-05-01 | Diehl Aerospace Gmbh | Device and method for operation of a fuel cell |
| JP2014072150A (en) * | 2012-10-01 | 2014-04-21 | Japan Aerospace Exploration Agency | Regenerative fuel cell |
| US10170784B2 (en) | 2012-10-01 | 2019-01-01 | Japan Aerospace Exploration Agency | Regenerative fuel cell system |
| JP2017162838A (en) * | 2017-05-17 | 2017-09-14 | 国立研究開発法人宇宙航空研究開発機構 | Regeneration type fuel cell |
| WO2018236450A1 (en) * | 2017-06-22 | 2018-12-27 | Fuelcell Energy, Inc. | System for rebalancing a pressure differential in an anode exhaust system of a fuel cell with a relational water seal |
| US10483562B2 (en) | 2017-06-22 | 2019-11-19 | Fuelcell Energy, Inc. | System for rebalancing a pressure differential in an anode exhaust system of a fuel cell with a relational water seal |
| CN110785883A (en) * | 2017-06-22 | 2020-02-11 | 燃料电池能有限公司 | System for rebalancing pressure differentials in anode exhaust systems of fuel cells with associated water seals |
| KR20200017489A (en) * | 2017-06-22 | 2020-02-18 | 퓨얼 셀 에너지, 인크 | System for Re-Equalizing Differential Pressure in Anode Exhaust System of Fuel Cell with Correlated Seals |
| CN110785883B (en) * | 2017-06-22 | 2023-03-21 | 燃料电池能有限公司 | System for rebalancing pressure differentials in anode exhaust systems of fuel cells with associated water seals |
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