JPS63140200A - Storage device for hydrogen absorbing alloy - Google Patents
Storage device for hydrogen absorbing alloyInfo
- Publication number
- JPS63140200A JPS63140200A JP61286855A JP28685586A JPS63140200A JP S63140200 A JPS63140200 A JP S63140200A JP 61286855 A JP61286855 A JP 61286855A JP 28685586 A JP28685586 A JP 28685586A JP S63140200 A JPS63140200 A JP S63140200A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen
- hydrogen gas
- storage alloy
- hydrogen storage
- absorbing alloy
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 239000001257 hydrogen Substances 0.000 title claims abstract description 60
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 60
- 239000000956 alloy Substances 0.000 title claims abstract description 56
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C11/00—Use of gas-solvents or gas-sorbents in vessels
- F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
-
- 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
- Y02E60/32—Hydrogen storage
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は水素吸蔵合金による水素ガスの吸蔵及び放出に
適用される水素吸蔵合金貯蔵装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hydrogen storage alloy storage device that is applied to storage and release of hydrogen gas using a hydrogen storage alloy.
従来の水素吸蔵合金貯蔵装置の例を第３図に示す。 An example of a conventional hydrogen storage alloy storage device is shown in FIG.
第Ｓ図（４）は水素吸蔵合金貯蔵装置の外観を示し、第
３図０３１及びｔｃ’）は夫々別方式同装置の断面図で
ある。第５図において２１．２１’は加熱及び冷却用流
体出入口、２２は水素ガス吸排口、２３はシェル、２４
，２４ｚは伝熱管（２４は環状通路状のもの、２４′は
チューブ状のもの）、２５はフィン、２６は加熱及び冷
却用媒体、２７は水素吸蔵合金粉末、２８は水素吸蔵合
金貯蔵容器である。第５図０３１はシェル２５内に環状
の熱媒が通る通路２４及びフィン２５を設けた構造であ
シ、第５図（ｑはシェル２５内に熱媒が通るチューブ２
４′を配置した構造であり、両者とも水素吸蔵合金２７
の水素ガス吸排時間を短縮するため熱伝導率アップを計
っているものである。Figure S (4) shows the external appearance of the hydrogen storage alloy storage device, and Figures 3 (031 and tc') are sectional views of the same device in different ways. In Fig. 5, 21.21' is a heating and cooling fluid inlet/outlet, 22 is a hydrogen gas intake/exhaust port, 23 is a shell, and 24
, 24z are heat transfer tubes (24 is an annular passage type, 24' is a tube type), 25 is a fin, 26 is a heating and cooling medium, 27 is a hydrogen storage alloy powder, and 28 is a hydrogen storage alloy storage container. be. 031 in FIG. 5 shows a structure in which an annular passage 24 through which the heating medium passes and fins 25 are provided in the shell 25, and FIG.
4', both of which are made of hydrogen storage alloy 27
This is designed to increase thermal conductivity in order to shorten the time required to absorb and expel hydrogen gas.
従来の技術は、このように水素吸蔵合金が水素ガスを吸
排するのにふされしい温度に維持するための加熱及び冷
却用媒体を水素吸蔵合金とは直接接触させずに熱の授受
を計っている。そのため、互の間の熱通過率は極めて低
く、伝熱面積を多く必要とし、その結果大きな容器とな
っている。In this way, conventional technology measures heat transfer without bringing the heating and cooling medium into direct contact with the hydrogen storage alloy in order to maintain the temperature at an appropriate temperature for the hydrogen storage alloy to absorb and discharge hydrogen gas. There is. Therefore, the heat transfer rate between them is extremely low, and a large heat transfer area is required, resulting in a large container.
上記従来技術では、加熱及び冷却用の第三〇熱媒及び冷
媒と水素吸蔵合金とが直接に接触しておらず、所謂、間
接熱交換器である。ところで水素吸蔵合金は１μ〜２ｍ
の粉末ということもちるが特に水素吸蔵後の合金のそれ
自体の熱伝導率はＣＵなどの固体金属に比べて約２桁も
低くはツガラス並みの値である。又水素吸蔵合金は水素
の吸排に伴い体積が１０〜５０係も変化するため容器内
に膨張代の空間を設けることを余儀なくされている。In the above-mentioned conventional technology, the heating and cooling medium and refrigerant and the hydrogen storage alloy are not in direct contact with each other, and the device is a so-called indirect heat exchanger. By the way, the hydrogen storage alloy is 1μ~2m
The thermal conductivity of the alloy itself, especially after absorbing hydrogen, is about two orders of magnitude lower than that of solid metals such as CU, but it is comparable to that of glass. Furthermore, since the volume of hydrogen storage alloys changes by as much as 10 to 50 times as hydrogen is absorbed and discharged, it is necessary to provide a space for expansion within the container.
従って、水素吸蔵合金層内全体、特に容器壁から一番離
れた層中央部の温度を所定の値に変化させるためには長
時間か＼ることになっていた。Therefore, it takes a long time to change the temperature of the entire hydrogen storage alloy layer, especially the central part of the layer farthest from the container wall, to a predetermined value.
又、その対策としてフィン及び、あるいは仕切壁を密に
配置させたものが提案されているが水素吸蔵合金の容量
の割に容器が非常に大きなものになっていた。In addition, as a countermeasure to this problem, it has been proposed that fins and/or partition walls are closely arranged, but the container becomes extremely large compared to the capacity of the hydrogen storage alloy.
本発明は前記従来の問題点を解決すべく、吸排時間の短
縮、容器の小型化を可能にした水素吸蔵合金貯蔵装置を
提供しようとするものである。SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, the present invention aims to provide a hydrogen storage alloy storage device that enables shortening of suction/drainage time and miniaturization of the container.
本発明は水素吸蔵合金を利用した水素吸蔵合金貯蔵装置
において、水素吸蔵合金の温度を水素吸蔵合金に吸蔵さ
れる吸蔵水素ガスの一部又は全部及び水素吸蔵合金より
放出される放出水素ガスの一部又は全部にて直接熱交換
させることにより制御可能な流動層式直接熱交換型水素
吸蔵合金貯蔵容器と、水素吸蔵合金に吸蔵される水素ガ
ス及び水素吸蔵合金よシ放出される水素ガスの温度を第
三〇熱媒及び冷媒で制御する水素ガス熱交換器とを合せ
もってなることを特徴とする水素吸蔵合金貯蔵装置であ
る。The present invention provides a hydrogen storage alloy storage device using a hydrogen storage alloy, in which the temperature of the hydrogen storage alloy is determined by controlling a portion or all of the hydrogen gas stored in the hydrogen storage alloy and the released hydrogen gas released from the hydrogen storage alloy. A fluidized bed direct heat exchange type hydrogen storage alloy storage container that can be controlled by direct heat exchange in part or all, and the temperature of hydrogen gas stored in the hydrogen storage alloy and hydrogen gas released from the hydrogen storage alloy. This is a hydrogen storage alloy storage device characterized by comprising a hydrogen gas heat exchanger controlled by a heating medium and a refrigerant.
水素ガス熱交換器にて所定の温度にされた水素ガスを水
素吸蔵合金貯蔵容器に送り込むことにより、水素吸蔵合
金と水素ガスとを直接に熱交換させることが可能となり
、水素の吸排時間と装置のコンパクト化とを同時に達成
することがでちる。By sending hydrogen gas heated to a predetermined temperature by a hydrogen gas heat exchanger into the hydrogen storage alloy storage container, it is possible to directly exchange heat between the hydrogen storage alloy and the hydrogen gas, reducing the hydrogen absorption and exhaust time and equipment. This makes it possible to simultaneously achieve compactness.
本発明の一実施例を第１図及び第２図によって説明する
。第１図において、水素を吸排でき水素化物に容易にな
りやすい所謂、水素吸蔵合金１は、水素吸蔵合金貯蔵容
器１１内の水素ガス透過性フィルター１２ａ及び１２ｔ
）で仕切られた部屋１５に約半分程充填されており、水
素ガスの吸排時には下部フィルタ１２ａを通過して吹上
げてくる水素ガスによって水素吸蔵合金１が流動化され
、水素ガスと直接に接触し効率よく熱交換できるように
なっている。An embodiment of the present invention will be described with reference to FIGS. 1 and 2. In FIG. 1, a so-called hydrogen storage alloy 1 that can absorb and discharge hydrogen and easily converts into hydrides is a hydrogen gas permeable filter 12a and 12t in a hydrogen storage alloy storage container 11.
), and when hydrogen gas is sucked and discharged, the hydrogen storage alloy 1 is fluidized by the hydrogen gas that passes through the lower filter 12a and comes into direct contact with the hydrogen gas. This allows for efficient heat exchange.
水素吸蔵合金１に吸蔵されなかった水素ガスは水素吸蔵
合金貯蔵容器１１を出たあと、バルブ４を通り再循環ブ
ロワ５で昇圧され、バルブ７を通って送られてきた原料
水素ガスと混合され、バルブ６を通過後水素ガス熱交換
器２で第三の媒体（吸蔵時には冷媒）により例えば３０
℃から２０℃に冷やされたのち、前記の水素吸蔵合金貯
蔵容器１１へと送り込まれる。After leaving the hydrogen storage alloy storage container 11, the hydrogen gas that has not been stored in the hydrogen storage alloy 1 passes through a valve 4, is pressurized by a recirculation blower 5, and is mixed with the raw hydrogen gas sent through a valve 7. , after passing through the valve 6, the hydrogen gas heat exchanger 2 uses a third medium (refrigerant at the time of storage) to, for example, 30
After being cooled from 0.degree. C. to 20.degree. C., it is fed into the hydrogen storage alloy storage container 11 described above.
なお水素吸蔵合金１がはソ吸蔵されつくした時はバルブ
７を閉じ、その後他のバルブ、再循環ブロワＳ及び水素
ガス熱交換器２を通る冷媒とを順次制御することにより
吸蔵工程を終了させる。When the hydrogen storage alloy 1 is completely absorbed, the valve 7 is closed, and the refrigerant passing through the other valves, the recirculation blower S, and the hydrogen gas heat exchanger 2 is sequentially controlled to complete the storage process. .
第２図は、水素ガスを放出する時の状態を線図上で示す
ものであるが、バルブ’ｌ ５９６を開とし、又バルブ
７を閉として系内の圧力をある一定値に保ち、水素ガス
熱交換器２に第三の媒体（放出時では熱媒）を流しはじ
めたあと、再循環ブロワＳを起動させる。すると、高温
の例えば９０℃の水素ガスが水素吸蔵合金貯蔵容器１１
に送ね込まれ、昇温されることＫよって水素ガスの放出
を開始する。水素吸蔵合金貯故容器１１からの水素ガス
はバルブ４を通ったのち、一部はバルブ５を通って製品
水素ガスとなり、又一部は再循環ブロワ３、バルブ６、
水素ガス熱交換器２を順次通って水素吸蔵合金貯蔵容器
１１へと送り込まれ、水素吸蔵合金１を加熱する熱媒と
なる。なお、はソ放出しつくした後はバルブ’ｔ５１’
６１’及び第三の媒体の流量を順次制御することで放出
工程を終了させる。Figure 2 diagrammatically shows the state when hydrogen gas is released. Valve 'l 596 is opened and valve 7 is closed to maintain the pressure in the system at a certain value. After starting to flow the third medium (heating medium at the time of discharge) into the gas heat exchanger 2, the recirculation blower S is started. Then, high temperature hydrogen gas of, for example, 90°C enters the hydrogen storage alloy storage container 11.
When the temperature is raised, hydrogen gas starts to be released. After the hydrogen gas from the hydrogen storage alloy storage container 11 passes through the valve 4, a portion passes through the valve 5 and becomes product hydrogen gas, and a portion also passes through the recirculation blower 3, valve 6,
The hydrogen gas is sequentially passed through the hydrogen gas heat exchanger 2 and fed into the hydrogen storage alloy storage container 11, where it becomes a heating medium for heating the hydrogen storage alloy 1. In addition, after exhausting the discharge, the valve 't51'
The discharge process is completed by sequentially controlling the flow rates of 61' and the third medium.
本発明によれば次のような効果がある。 According to the present invention, there are the following effects.
１）水素吸蔵合金の水素ガス吸排に伴う熱の除去及び供
給を水素ガス自身にて行うことにより能率よく行うこと
ができ
■ サイクルタイムを短縮でき取扱容易になると共に用
途拡大が図れる。1) By using the hydrogen gas itself to remove and supply the heat associated with hydrogen gas intake and exhaust from the hydrogen storage alloy, cycle time can be shortened, handling becomes easier, and applications can be expanded.
■ 熱交換促進用フィン取付の要なく装置のコンパクト
化が図れる。■ The device can be made more compact without the need to install fins to promote heat exchange.
２）なお本発明は、水素ガス貯蔵設備としてだけでなく
ヒートポンプ化学圧縮機、水素ガスの分離精製などにも
適用可能である。2) The present invention is applicable not only to hydrogen gas storage equipment, but also to heat pump chemical compressors, hydrogen gas separation and purification, and the like.
４、面の簡単な説明
第１．２図は本発明に係る水素吸蔵合金貯蔵装置の構成
及び作用を説明するための図で、７４１図は水素吸蔵合
金の水素ガス吸蔵時、第２図は同合金の水素ガスの放出
時を説明する図である。4. Brief explanation of aspects Figure 1.2 is a diagram for explaining the structure and operation of the hydrogen storage alloy storage device according to the present invention. It is a figure explaining the time of release of hydrogen gas of the same alloy.
第３図は従来の水素吸蔵合金貯蔵装置の構成を説明する
ための図である。FIG. 3 is a diagram for explaining the configuration of a conventional hydrogen storage alloy storage device.
復代理人 内 １） 明 復代理人 萩 原 亮 − 復代理人 安 西 篤 夫Sub-agent: 1) Akira Sub-agent Ryo Hagi Hara - Sub-agent Atsuo Yasunishi
Claims (1)
、水素吸蔵合金の温度を水素吸蔵合金に吸蔵される吸蔵
水素ガスの一部又は全部及び水素吸蔵合金より放出され
る放出水素ガスの一部又は全部にて直接熱交換させるこ
とにより制御可能な流動層式直接熱交換型水素吸蔵合金
貯蔵容器と、水素吸蔵合金に吸蔵される水素ガス及び水
素吸蔵合金より放出される水素ガスの温度を第三の熱媒
及び冷媒で制御する水素ガス熱交換器とを合せもつてな
ることを特徴とする水素吸蔵合金貯蔵装置。In a hydrogen storage alloy storage device using a hydrogen storage alloy, the temperature of the hydrogen storage alloy is determined by controlling part or all of the stored hydrogen gas stored in the hydrogen storage alloy and part or all of the released hydrogen gas released from the hydrogen storage alloy. A fluidized bed type direct heat exchange type hydrogen storage alloy storage container that can be controlled by direct heat exchange, and the temperature of the hydrogen gas stored in the hydrogen storage alloy and the hydrogen gas released from the hydrogen storage alloy is A hydrogen storage alloy storage device characterized by comprising a hydrogen gas heat exchanger controlled by a heating medium and a refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61286855A JPS63140200A (en) | 1986-12-03 | 1986-12-03 | Storage device for hydrogen absorbing alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61286855A JPS63140200A (en) | 1986-12-03 | 1986-12-03 | Storage device for hydrogen absorbing alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140200A true JPS63140200A (en) | 1988-06-11 |
Family
ID=17709900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61286855A Pending JPS63140200A (en) | 1986-12-03 | 1986-12-03 | Storage device for hydrogen absorbing alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140200A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002511915A (en) * | 1997-05-20 | 2002-04-16 | アドバンスト・テクノロジィ・マテリアルズ・インコーポレイテッド | Manufacturing processes and supply systems for gas sources |
| WO2005044454A3 (en) * | 2003-11-05 | 2005-07-14 | Future Camp Gmbh | Storage system for storing a medium and method for loading a storage system with a storage medium and emptying the same therefrom |
| JP2009174644A (en) * | 2008-01-24 | 2009-08-06 | Toyota Motor Corp | Control device for fluid transmission device |
| US7611566B2 (en) * | 2006-05-15 | 2009-11-03 | Gm Global Technology Operations, Inc. | Direct gas recirculation heater for optimal desorption of gases in cryogenic gas storage containers |
| EP2906869A4 (en) * | 2012-10-09 | 2016-06-08 | Basf Se | Method of charging a sorption store with a gas |
| WO2024009200A1 (en) * | 2022-07-05 | 2024-01-11 | Africa South Hydrogen Proprietary Limited | Hydrogen storage with absorption/desorption carried out in a flduized bed |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6060399A (en) * | 1983-09-12 | 1985-04-06 | Toshiba Corp | Hydrogen storing system |
-
1986
- 1986-12-03 JP JP61286855A patent/JPS63140200A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6060399A (en) * | 1983-09-12 | 1985-04-06 | Toshiba Corp | Hydrogen storing system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002511915A (en) * | 1997-05-20 | 2002-04-16 | アドバンスト・テクノロジィ・マテリアルズ・インコーポレイテッド | Manufacturing processes and supply systems for gas sources |
| WO2005044454A3 (en) * | 2003-11-05 | 2005-07-14 | Future Camp Gmbh | Storage system for storing a medium and method for loading a storage system with a storage medium and emptying the same therefrom |
| US7611566B2 (en) * | 2006-05-15 | 2009-11-03 | Gm Global Technology Operations, Inc. | Direct gas recirculation heater for optimal desorption of gases in cryogenic gas storage containers |
| JP2009174644A (en) * | 2008-01-24 | 2009-08-06 | Toyota Motor Corp | Control device for fluid transmission device |
| EP2906869A4 (en) * | 2012-10-09 | 2016-06-08 | Basf Se | Method of charging a sorption store with a gas |
| WO2024009200A1 (en) * | 2022-07-05 | 2024-01-11 | Africa South Hydrogen Proprietary Limited | Hydrogen storage with absorption/desorption carried out in a flduized bed |
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