JPH0417270A - Piping device for fuel cell housed in container - Google Patents
Piping device for fuel cell housed in containerInfo
- Publication number
- JPH0417270A JPH0417270A JP2122339A JP12233990A JPH0417270A JP H0417270 A JPH0417270 A JP H0417270A JP 2122339 A JP2122339 A JP 2122339A JP 12233990 A JP12233990 A JP 12233990A JP H0417270 A JPH0417270 A JP H0417270A
- Authority
- JP
- Japan
- Prior art keywords
- container
- pipe
- heat insulating
- cylindrical pipe
- pipe line
- 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 10
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 239000012495 reaction gas Substances 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims abstract 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 238000009413 insulation Methods 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000003466 welding Methods 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
- 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
- Thermal Insulation (AREA)
- Fuel Cell (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は容器れ納型燃料電池の配管装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a piping system for a container fuel cell.
（ロ）従来の技術
従来燃料電池の反応ガス給排用配管（イ）を電池収納容
器（ロ）から取り出す構成は、第３図に示すように容器
の貫通孔に配管を溶接（ハ）していた。(B) Conventional technology The structure for taking out the reactant gas supply and exhaust pipes (A) of a conventional fuel cell from the battery storage container (B) involves welding the pipes to the through holes of the container (C), as shown in Figure 3. was.
尚図中（ニ）は配管（イ）からの放熱を防止する筒状断
熱材である。Note that (d) in the figure is a cylindrical heat insulating material that prevents heat radiation from the pipe (a).
しかし溶融炭酸塩型や固体電解質型のような高温作動電
池では、配管（イ）を流れるガス温度が高いため溶接部
より容器（ロ）に熱が伝わり熱損失の原因となって電池
総合効率を低下させると共に容器の表面温度が上昇する
などの間組があった。However, in high-temperature operating batteries such as molten carbonate type and solid electrolyte type batteries, the temperature of the gas flowing through the pipe (a) is high, so heat is transferred from the welded part to the container (b), causing heat loss and reducing the overall efficiency of the battery. There were some problems, such as the surface temperature of the container rising as the temperature decreased.
（ハ）発明が解決しようとする課題
本発明は高温ガスが流れる配管から電池収納容器への熱
伝導を抑制し、前記問題点を解消するものである。(c) Problems to be Solved by the Invention The present invention solves the above-mentioned problems by suppressing heat conduction from piping through which high-temperature gas flows to the battery storage container.
（ニ）課題を解決するための手段
本発明は燃料電池を収納した密閉容器に反応ガス給排用
配管を取付けるに際し、前記配管が断熱材を充填した円
筒管に同心的に嵌挿され、前記円筒管の一端内鍔と前記
配管に溶接したフランジとの間に断熱バッキングを介し
て一体に結合すると共に円筒管の他端近傍に溶接したフ
ランジ部を前記容器外壁に気密的に固定したものである
。(d) Means for Solving the Problems The present invention provides that when installing reactant gas supply/discharge piping to a closed container housing a fuel cell, the piping is fitted concentrically into a cylindrical pipe filled with a heat insulating material, The inner flange at one end of the cylindrical tube and the flange welded to the piping are integrally connected via a heat insulating backing, and the flange welded near the other end of the cylindrical tube is airtightly fixed to the outer wall of the container. be.
（ホ）作 用
本発明て゛は反応ガス給排用配管は、断熱材を内蔵した
円筒管を介して電池れ納容器に取付けられて直接容器に
接触することがないので、配管内を流れる高温ガスから
容器への熱伝導が著しく抑制され、容器表面温度の上昇
を防止し、熱損失を低下させることが可能となる。(e) Function In the present invention, the reactant gas supply and discharge piping is attached to the battery storage container via a cylindrical pipe with a built-in heat insulating material and does not come into direct contact with the container, so the high temperature gas flowing inside the piping Heat conduction from the container to the container is significantly suppressed, making it possible to prevent a rise in container surface temperature and reduce heat loss.
（へ）実施例
本発明の実施例を溶融炭酸塩型燃料電池について説明す
る。第１図は本発明装置を備える容器収納式燃料電池の
縦断側面図、第２図は同上要部断面図である。(f) Example An example of the present invention will be described using a molten carbonate fuel cell. FIG. 1 is a longitudinal sectional side view of a container-storage type fuel cell equipped with the device of the present invention, and FIG. 2 is a sectional view of essential parts of the same.
電池本体（１）はセル積重体の各周面に燃料ガス用給排
マニホルド（２）（２）及び酸化剤ガス用給徘マニホル
ド（見えない）が取付けられ、そのまわりを断熱材ブロ
ック（３）で包まれている。この断熱材（３）で包まれ
た電池本体（１）は、上下端板（４）を介して当接する
上下締付板（５）とこれらを連結する締付ロッド（６）
で締付けられる。The battery body (1) has fuel gas supply/discharge manifolds (2) (2) and oxidant gas supply/discharge manifolds (not visible) attached to each circumferential surface of the cell stack, and insulation blocks (3) are installed around them. ). The battery body (1) wrapped with this heat insulating material (3) has upper and lower clamping plates (5) that come into contact with each other through the upper and lower end plates (4), and a clamping rod (6) that connects them.
It can be tightened with.
電池の収納容器（７）は、加圧式電池の場合耐圧容器で
あるが常圧式電池の場合内部が常圧よりやや高いＮ２ガ
ス雰囲気として安全性を高める容器であり、本実施例は
後者の容器を用いた。この容器（７）は、電池本体（１
）を下方締付板（５）に植設した複数本の支柱（８）を
介して支持している基台（７、）と、断熱材ブロック（
３）を断熱空間（Ｓ）を存して覆うカバー（７，）とか
らなり、カバーの下端鍔を基台（７１）に気密的に固定
して密閉容器を構成している。The battery storage container (7) is a pressure-resistant container in the case of pressurized batteries, but in the case of normal-pressure batteries, it is a container that increases safety by creating an N2 gas atmosphere slightly higher than normal pressure inside, and this example uses the latter container. was used. This container (7) contains the battery body (1
) is supported via a plurality of columns (8) installed on the lower clamping plate (5), and the insulation block (
3) with a cover (7,) that covers the container with a heat insulating space (S), and the lower end flange of the cover is airtightly fixed to the base (71) to form a closed container.
各マニホルド（２）への配管（９）は断熱ブロンク（３
）を貫通し容器（７）外に引出される。第１図では基台
（７１）より引出されているが、カバー（７，）より引
出すこともできる。第１図の前記引出し部分の詳細が第
２図に示されている。即ち配管（９）の引出し部分は断
熱材（１０）が充填された円筒管（１１）に同心的に嵌
挿され、この円筒管（１１ンの容器外壁よりはなれた一
端内鍔（１２）と配管（９）に溶接したフランジ（１３
）との間に断熱バッキング（１４）を介挿しネジ（１５
）により一体に結合される。The piping (9) to each manifold (2) is connected to an insulated bronck (3
) and is drawn out of the container (7). In FIG. 1, it is pulled out from the base (71), but it can also be pulled out from the cover (7,). Details of the drawer portion of FIG. 1 are shown in FIG. That is, the drawn-out part of the pipe (9) is fitted concentrically into a cylindrical pipe (11) filled with a heat insulating material (10), and the inner flange (12) at one end of the cylindrical pipe (11) is separated from the outer wall of the container. Flange (13) welded to pipe (9)
), insert the insulating backing (14) between the screws (15
) are joined together.
一方基台（７１）の透孔（１６）に遊合された円筒管（
１１）の他端近傍にフランジ部（１７）を溶接し、この
フランジ部（１７）が容器（基台）外壁にネジ（１８）
で固定される。この場合気密性を保つためＯリング（１
９）を設ける。容器（７）内外の配管（９）は筒状断熱
材（２０）（２１）により被覆されている。On the other hand, the cylindrical tube (
11) Weld a flange part (17) near the other end, and this flange part (17) attaches screws (18) to the outer wall of the container (base).
is fixed. In this case, to maintain airtightness, an O-ring (1
9). The pipes (9) inside and outside the container (7) are covered with cylindrical heat insulating materials (20) and (21).
電池に供給される燃料ガス及び酸化剤ガスの温度は、約
６００℃、電池から排出される同上釜ガスの温度は約６
５０℃であり、このような高温ガスの流れる給排用配管
（９）が容器（７）を貫通する部分から、高温ガスの熱
が容器に伝わって熱損失を生じると共に容器が温度上昇
する。The temperature of the fuel gas and oxidant gas supplied to the battery is approximately 600°C, and the temperature of the above-mentioned kettle gas discharged from the battery is approximately 600°C.
The temperature is 50° C., and the heat of the high-temperature gas is transmitted to the container from the portion where the supply/discharge pipe (9) through which the high-temperature gas flows passes through the container (7), causing heat loss and increasing the temperature of the container.
しかし本発明では配管（９）が前述のように円筒管（１
１）を介して間接的に取付けられ、しかも伝熱経路が長
くなっているので、容器（７）への熱伝導を著しく低減
し、熱損失による熱効率低下及び容器の温度上昇を防止
することができる。容器（７）に配管（９）を直接溶接
した場合容器の温度は部分的に２８０℃まで上昇したが
、本発明の場合８０℃であった。However, in the present invention, the pipe (9) is the cylindrical pipe (1) as described above.
1) and has a long heat transfer path, it can significantly reduce heat conduction to the container (7) and prevent a decrease in thermal efficiency due to heat loss and a rise in the temperature of the container. can. When the pipe (9) was directly welded to the container (7), the temperature of the container partially rose to 280°C, but in the case of the present invention, it was 80°C.
尚、容器（７）内をＮ、ガス雰囲気に保つため、Ｎ、ガ
スが容器下方入口（２２）より上方出口（２２’）に流
通する。In order to maintain a N gas atmosphere inside the container (7), N gas flows from the lower inlet (22) to the upper outlet (22') of the container.
（ト）発明の効果
上述の如く本発明によれば、反応ガス給排用配管は、断
熱材を充填した円筒管を介して電池収納容器に取付けら
れ直接容器に接触することがないので、配管内を流れる
高温反応ガスから容器への熱伝導が著しく抑制され、容
器温度の上昇を防止して安全性を高めると共に、熱損失
を低下して電池の効率を改善することができる。(g) Effects of the Invention As described above, according to the present invention, the reactant gas supply and discharge piping is attached to the battery storage container via a cylindrical pipe filled with a heat insulating material, and does not come into direct contact with the container. Heat conduction from the high-temperature reaction gas flowing inside the container to the container is significantly suppressed, thereby preventing an increase in container temperature to improve safety, and reducing heat loss to improve battery efficiency.
【図面の簡単な説明】
第１図は本発明配管装置を備える燃料電池の縦断面図、
第２図は同上装置の要部拡大断面図、第３図は従来の配
管装置の要部断面図である。
１：ｔＭ本体、２：マニホルド、３：断熱材ブロック、
７：電池収納容器、７１：基台、７．−カバー、９：反
応ガス給排用配管、１０：断熱材、１１：円筒管、１２
：内鍔、１３：フランジ、１４：断熱バッキング、１７
：フランジ部、１９：０リング、２０．２１：筒状断熱
材、Ｓ：断熱空間。
第１図
第２図[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a longitudinal sectional view of a fuel cell equipped with the piping device of the present invention;
FIG. 2 is an enlarged cross-sectional view of the main part of the same device, and FIG. 3 is a cross-sectional view of the main part of the conventional piping device. 1: tM main body, 2: manifold, 3: insulation block,
7: Battery storage container, 71: Base, 7. -Cover, 9: Reaction gas supply/exhaust pipe, 10: Heat insulating material, 11: Cylindrical pipe, 12
: Inner tsuba, 13: Flange, 14: Heat insulation backing, 17
: flange part, 19:0 ring, 20.21: cylindrical heat insulating material, S: heat insulating space. Figure 1 Figure 2
Claims (1)
の給排用配管を取付けるに際し、前記配管が断熱材を充
填した円筒管に同心的に嵌挿され、前記円筒管の一端内
鍔と前記配管に溶着したフランジとの間に断熱パッキン
グを介して一体に結合すると共に、円筒管の他端近傍に
溶着したフランジ部を前記容器外壁に気密的に固定した
ことを特徴とする容器収納型燃料電池の配管装置。(1) When installing pipes for supplying and discharging cell reaction gas to a sealed container in which a fuel cell is housed, the pipes are fitted concentrically into a cylindrical pipe filled with a heat insulating material, and the inner flange at one end of the cylindrical pipe is inserted. and a flange welded to the pipe are integrally coupled via a heat insulating packing, and the flange welded near the other end of the cylindrical pipe is airtightly fixed to the outer wall of the container. type fuel cell piping equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2122339A JP2854087B2 (en) | 1990-05-10 | 1990-05-10 | Piping device for container storage type fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2122339A JP2854087B2 (en) | 1990-05-10 | 1990-05-10 | Piping device for container storage type fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0417270A true JPH0417270A (en) | 1992-01-22 |
| JP2854087B2 JP2854087B2 (en) | 1999-02-03 |
Family
ID=14833517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2122339A Expired - Lifetime JP2854087B2 (en) | 1990-05-10 | 1990-05-10 | Piping device for container storage type fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2854087B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024775A1 (en) * | 2016-08-02 | 2018-02-08 | Avl List Gmbh | Generator unit having a fuel cell device; vehicle having a generator unit of this type and tail pipe device for a generator unit |
-
1990
- 1990-05-10 JP JP2122339A patent/JP2854087B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024775A1 (en) * | 2016-08-02 | 2018-02-08 | Avl List Gmbh | Generator unit having a fuel cell device; vehicle having a generator unit of this type and tail pipe device for a generator unit |
| CN109565067A (en) * | 2016-08-02 | 2019-04-02 | Avl李斯特有限公司 | Generator system with fuel-cell device, the carrier with this generator system and the tail-pipe device for generator system |
| US11056708B2 (en) | 2016-08-02 | 2021-07-06 | Avl List Gmbh | Generator unit having a fuel cell device; vehicle having a generator unit of this type and tail pipe device for a generator unit |
| CN109565067B (en) * | 2016-08-02 | 2023-03-14 | 日产自动车株式会社 | Generator system with a fuel cell arrangement, vehicle with such a generator system and tailpipe arrangement for a generator system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2854087B2 (en) | 1999-02-03 |
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