JP2002249032A - Hydrogen station - Google Patents

Hydrogen station

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Publication number
JP2002249032A
JP2002249032A JP2001050857A JP2001050857A JP2002249032A JP 2002249032 A JP2002249032 A JP 2002249032A JP 2001050857 A JP2001050857 A JP 2001050857A JP 2001050857 A JP2001050857 A JP 2001050857A JP 2002249032 A JP2002249032 A JP 2002249032A
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Prior art keywords
hydrogen
purifier
purified
refiner
purified hydrogen
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JP2001050857A
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Japanese (ja)
Inventor
Kazuhisa Sato
和久 佐藤
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Honda Motor Co Ltd
本田技研工業株式会社
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage
    • Y02E60/324Reversible uptake of hydrogen by an appropriate medium

Abstract

PROBLEM TO BE SOLVED: To lengthen the service life of a second purifier used for achieving high-purity hydrogen. SOLUTION: This hydrogen station 1 is constituted of a hydro-electrolytic apparatus 4, a first purifier 6 capable of purifying hydrogen produced by the hydro-electrolytic apparatus 4 to obtain first purified hydrogen, a switching device 8 for switching the flowing direction of the first purified hydrogen to make the first purified hydrogen flow to either of storage side or re-purification side, a first storage device 12 for charging the first purified hydrogen, a second purifier 15 for re-purifying the first purified hydrogen to obtain second purified hydrogen, and a second storage device 16 for charging the second purified hydrogen.

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】本発明は水素ステーション, BACKGROUND OF THE INVENTION The present invention is a hydrogen station,
即ち,水素を製造し,それを貯蔵して,例えば燃料電池搭載車両に供給する,といった機能を有する水素ステーションに関する。 That is, to produce hydrogen, and store it, for example, a fuel cell equipped supplies the vehicle, to a hydrogen station having such functions.

【0002】 [0002]

【従来の技術】燃料電池搭載車両において水素を携行する場合,例えば,高圧で比較的純度の低い水素,即ち低純度水素を充填された高圧容器を装備するか,低圧で比較的純度の高い水素,即ち高純度水素を吸蔵した水素吸蔵材を有する圧力容器を装備する,といった手段が採用されている。 If you carry the hydrogen BACKGROUND ART In a fuel cell vehicle, for example, relatively less pure hydrogen at high pressure, i.e. either equipped with a high pressure vessel filled with a low purity hydrogen, relatively high purity at a low pressure of hydrogen , that is equipped with a pressure vessel having a hydrogen storage material of the high purity hydrogen occluded, it means is employed such.

【0003】そこで,水素ステーションにおいては,例えば,水素製造用水電解装置に,低純度水素を得る第1 [0003] Therefore, in the hydrogen station, for example, first to the hydrogen production water electrolysis device, to obtain a low purity hydrogen
精製・圧縮系統と,高純度水素を得る第2精製・圧縮系統とを切換装置を介して接続し,1つの水電解装置から二種類の水素を得る,といったことが試みられている。 And purification and compression system, and a second purification and compression strains to obtain a high purity hydrogen be connected via a switching device, to obtain two kinds of hydrogen from one water electrolysis apparatus, it has been attempted such.

【0004】 [0004]

【発明が解決しようとする課題】水電解装置により得られた水素は水分を多量に含んでおり,その露点は+40 Hydrogen obtained by the water electrolysis device [0005] is contains a large amount of water, the dew point +40
℃程度である。 It is about ℃. 一方,高純度水素にはその露点が−10 On the other hand, the high-purity hydrogen is its dew point -10
0℃程度であることが要求される。 It is required that the order of 0 ° C.. そのため,精製器には厳しい精製能が要求されるが,現存の精製器は長期に亘り前記要求に応ずるだけの耐久性を持たないことから,精製器のメンテナンスを頻繁に行わなければならず,生産性の悪化を招いていた。 Therefore, although strict purification ability in purifier is required, existing purifier has to the fact that no durable only Ozuru to the request for a long period, unless frequent maintenance purifier, It had led to a deterioration of productivity.

【0005】一方,低純度水素の必要純度は,露点−2 On the other hand, it required purity of the low purity hydrogen, dew point -2
0℃程度であるから,精製器に要求される精製能は緩和されており,前記のような問題は生じない。 Because it is about 0 ° C., purified capability required for the purifier is relaxed, it said problem does not occur.

【0006】 [0006]

【課題を解決するための手段】本発明は,高純度水素を得るために用いられる精製器の延命を図ることが可能な前記水素ステーションを提供することを目的とする。 The present invention SUMMARY OF] is intended to provide the hydrogen station that can achieve survival purifier used to obtain high-purity hydrogen.

【0007】前記目的を達成するため本発明によれば, According to the present invention for achieving the above object,
水素製造装置と,その水素製造装置により製造された水素を精製して第1精製水素を得る第1精製器と,前記第1精製水素の流れ方向を貯蔵側および再精製側の一方に決める切換装置と,前記第1精製水素を充填される第1 A hydrogen generating device, the switching determining a first refiner to obtain a first purified hydrogen purified hydrogen produced by the hydrogen production apparatus, the flow direction of the first purified hydrogen on one of the storage-side and re-refined side a device, first to be filled with the first purified hydrogen
貯蔵器と,前記第1精製水素を再精製して第2精製水素を得る第2精製器と,前記第2精製水素を充填される第2貯蔵器とを有する水素ステーションが提供される。 And reservoir, and a second purifier to obtain the second purified hydrogen by re-purifying the first purified hydrogen, hydrogen station and a second reservoir which is filled with the second purification of hydrogen is provided.

【0008】前記のように構成すると,第2精製水素, [0008] By configuring as above, the second purified hydrogen,
したがって高純度水素は二段の精製工程を経て得られ, Therefore high purity hydrogen is obtained through the two-stage purification step,
したがって第2精製器に要求される精製能が緩和されているので,その第2精製器の延命を図ることが可能であり,これにより純度を異にする第1,第2精製水素を効率良く生産することができる。 Hence purification ability required of the second purifier is relaxed, it is possible to achieve survival of the second purifier, whereby the first having different purity, efficiently second purified hydrogen it can be produced.

【0009】 [0009]

【発明の実施の形態】図1に示すように,水素ステーション1は水素の製造・精製・貯蔵を行う主たる設備2 DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a hydrogen station 1 main equipment 2 for preparation, purification and storage of hydrogen
と,精製器用再生設備3とを備えており,先に,主たる設備2について説明し,次いで再生設備3について説明する。 When provided with a purified dexterity reproduction equipment 3, above, describes the main equipment 2, then explained reproduction equipment 3.

【0010】A. [0010] A. 主たる設備(水素の製造・精製・貯蔵) この主たる設備2には,水素製造装置としての水電解装置4が備えられている。 The main equipment 2 the main facility (manufacturing, purification, storage of hydrogen), water electrolysis device 4 as a hydrogen production apparatus is provided. 水電解装置4の水素供給部に第1供給管5の入口側が接続され,その第1供給管5に, The inlet side of the first supply pipe 5 is connected to the hydrogen supply portion of the water electrolysis apparatus 4, to the first supply pipe 5,
水電解装置4側から順次,第1精製器6および圧縮機7 Sequentially from the water electrolysis apparatus 4 side, the first refiner 6 and a compressor 7
が装置される。 There is equipment. 第1供給管5の出口側は,切換装置8における三方弁9の第1ポートに接続されている。 Outlet side of the first supply pipe 5 is connected to a first port of the three-way valve 9 in the switching device 8.

【0011】三方弁9の第2ポートに第2供給管10の入口側が接続され,その第2供給管10に切換装置8に属する圧力調整用第1減圧弁11が装置される。 [0011] the inlet side of the second supply pipe 10 to the second port of the three-way valve 9 is connected, the first pressure reducing valve 11 for pressure adjustment belonging to the switching device 8 to the second supply pipe 10 is apparatus. 第2供給管10の出口側には第1貯蔵器としての高圧容器12 The outlet side of the second supply pipe 10 a high-pressure vessel 12 as a first reservoir
が離脱可能に接続される。 There is releasably connected. また三方弁9の第3ポートに第3供給管13の入口側が接続され,その第3供給管1 The inlet side of the third supply pipe 13 to the third port of the three-way valve 9 is connected, the third supply pipe 1
3に,三方弁9側から順次,切換装置8に属し,且つ高減圧比を持つ第2減圧弁14と,第2精製器15とが装置される。 3, sequentially from the three-way valve 9 side, belonging to the switching device 8, and a second pressure reducing valve 14 having a high vacuum ratio, a second purifier 15 is device. 第3供給管13の出口側には第2貯蔵器としての圧力容器16が離脱可能に接続される。 The outlet side of the third supply pipe 13 is connected detachably pressure vessel 16 as a second reservoir.

【0012】第1精製器6は,その内部に,加熱により再生される吸着材としての活性アルミナおよびシリカゲルの少なくとも一方,実施例では活性アルミナ17を備え,一方,第2精製器15は,その内部に,同様に加熱により再生される吸着材としてのモレキュラシーブ18 [0012] The first refiner 6, therein, at least one of activated alumina and silica gel as the adsorbent is regenerated by heating, comprising an active alumina 17 in the embodiment, while the second purifier 15, the molecular sieves as inside, the adsorbent is regenerated by heating in the same manner 18
を備えている。 It is equipped with a. 圧力容器16は,その内部に水素吸蔵材MHを有し,その水素吸蔵材MHとしては水素吸蔵合金〔例えば,MmNi 4. Pressure vessel 16 has a hydrogen absorption material MH therein, the hydrogen storage alloy [for example, as a hydrogen absorption material MH, MmNi 4. 7 Al 0.3 (Mm:ミッシュメタル),Ti 1.2 CrMn等〕,ナノ構造カーボン等が用いられる。 7 Al 0.3 (Mm: misch metal), Ti 1.2 CrMn etc.], nanostructures carbon or the like is used.

【0013】次に,主たる設備2の稼働について説明する。 [0013] Next, a description will be given of the operation of the main equipment 2.

【0014】水電解装置4により水素が製造され,その水素は水分を多量に含んでいて,純度は露点+40℃程度である。 [0014] Hydrogen by water electrolysis device 4 is produced, the hydrogen contain a large amount of moisture, purity is about the dew point + 40 ° C.. その水素は,第1精製器6の活性アルミナ1 As hydrogen is activated alumina 1 of the first refiner 6
7により脱水を主とした精製処理を施され,これにより第1精製水素が得られる。 By 7 is subjected to purification treatment for the primary dehydration, thereby the first purified hydrogen obtained. この第1精製水素の純度は露点−20℃程度である。 The purity of the first purified hydrogen is about dew point -20 ° C..

【0015】第1精製水素は圧縮機7によって数10M [0015] The first purified hydrogen number by the compressor 7 10M
Paに加圧された後切換装置8に導入される。 It is introduced into the switching device 8 after being pressurized in Pa. 切換装置8の三方弁9は,第1精製水素の流れ方向を貯蔵側,つまり高圧容器12側に決めるように切換えられているので,高圧で低純度の第1精製水素は第1減圧弁11により圧力を調整された後高圧容器12に充填される。 Three-way valve 9 of the switching device 8, the storage-side flow direction of the first hydrotreated, i.e. since switched to determine the high pressure vessel 12 side, the first purified hydrogen low purity high pressure first pressure reducing valve 11 It is filled in the pressure vessel 12 after being adjusted pressure by. この場合,第1精製水素は露点−20℃程度であって圧縮機7を潤滑するのに十分な水分を含んでいるので,その圧縮機7の摺動部の摩耗が抑制されてその延命が図られる。 In this case, since the first purified hydrogen contains enough water to lubricate the compressor 7 is about dew point -20 ° C., its survival is wear suppression of the sliding portion of the compressor 7 It is achieved.

【0016】高圧容器12への水素充填が終了すると, [0016] Hydrogen filling of the high-pressure vessel 12 is finished,
三方弁9は第1精製水素の流れ方向を再精製側,つまり第2精製器15側に決めるように切換えられ,また高圧容器12は第2供給管10から離脱されて,新たな水素充填用高圧容器12が第2供給管10に接続される。 The three-way valve 9 is repurified side flow direction of the first hydrotreated, i.e. switched to decide second purifier 15 side, the high-pressure vessel 12 is detached from the second supply pipe 10, the new hydrogen filling high-pressure vessel 12 is connected to the second supply pipe 10.

【0017】三方弁9の前記切換えによって高圧の第1 The first high pressure by the switching of the three-way valve 9
精製水素は第2減圧弁14によって数MPaに減圧され,次いで第2精製器15のモレキュラシーブ18により脱水を主とした精製処理を施され,これにより第2精製水素が得られる。 Purified hydrogen is reduced to several MPa by the second pressure reducing valve 14, and then is subjected to purification treatment for the primary dehydration by molecular sieve 18 of the second refiner 15, thereby the second purified hydrogen obtained. この第2精製水素の純度は露点−1 The purity of this second refining hydrogen dew point -1
00℃程度であり,減圧下にある高純度の第2精製水素は圧力容器16の水素吸蔵材MHに吸蔵される。 00 is about ° C., the second purified hydrogen purity under reduced pressure and are inserted in the hydrogen absorption material MH of the pressure vessel 16. この吸蔵が終了すると,三方弁9は第1精製水素の流れ方向を高圧容器12側に決めるように切換えられ,また圧力容器16は第3供給管13から離脱されて,新たな水素吸蔵用圧力容器16が第3供給管13に接続される。 When this storage is finished, the three-way valve 9 is switched to determine the flow direction of the first purified hydrogen pressure vessel 12 side, the pressure vessel 16 is detached from the third supply pipe 13, the pressure for new hydrogen storage container 16 is connected to the third supply pipe 13.

【0018】前記のように構成すると,第2精製水素, [0018] By configuring as above, the second purified hydrogen,
したがって高純度水素は二段の精製工程を経て得られ, Therefore high purity hydrogen is obtained through the two-stage purification step,
したがって第2精製器15に要求される精製能が緩和されているので,その第2精製器15の延命を図ることが可能であり,これにより純度を異にする第1,第2精製水素を効率良く生産することができる。 Hence purification ability required of the second purifier 15 is relaxed, it is possible to achieve survival of the second refiner 15, whereby the first having different purity, the second purified hydrogen it can be efficiently produced.

【0019】なお,必要に応じて,主たる設備2から圧縮機7を省き,低圧で低純度の第1精製水素を貯蔵器に充填することもある。 [0019] If necessary, eliminating the compressor 7 from the main equipment 2, also be filled into the reservoir of the first hydrotreated low purity at low pressure.

【0020】B. [0020] B. 精製器用再生設備 この再生設備3は,第1精製器6の活性アルミナ17および第2精製器15のモレキュラシーブ18を加熱し, Purification dexterity reproduction equipment this reproduction equipment 3, heating the molecular sieve 18 of activated alumina 17 and a second refiner 15 in the first refiner 6,
また冷却し得る加熱−冷却装置19と,両精製器6,1 The heating may be cooled - and the cooling device 19, both purifier 6,1
5間に再生用水素を循環させる水素循環装置20とよりなり,第2精製器15の再生処理過程で第1精製器6の再生処理を行うことができるようになっている。 Between 5 becomes more hydrogen circulation device 20 that circulates reproduction hydrogen, so that in the reproduction process of the second purifier 15 can perform the reproduction process of the first refiner 6.

【0021】加熱−冷却装置19は次のように構成されている。 The heating - cooling device 19 is constructed as follows. 第2精製器15に,そのモレキュラシーブ18 Second purifier 15, the molecular sieve 18
を加熱し得る電気ヒータ21が設けられている。 The electric heater 21 is provided capable of heating. また第1,第2精製器6,15を装置された冷却水循環路22 The first cooling water circulation passage 22, which is device and the second purifier 6,15
を備え,その循環路22を構成すべく,第1,第2精製器6,15間を接続する第1,第2送水管23,24の一方,つまり第1送水管23には第1精製器6側から順次,第1三方弁25,循環ポンプ26,第2三方弁2 Comprising a, in order to constitute a circulation path 22, first, the first for connecting the second refiner 6,15, one of the second water supply pipe 23 and 24, that is, the first water supply pipe 23 first purification sequentially from vessel 6 side, the first three-way valve 25, the circulating pump 26, the second three-way valve 2
7,放熱器28,第3三方弁29および第4三方弁30 7, the radiator 28, the third three-way valve 29 and a fourth three-way valve 30
が装置される。 There is equipment. 第1〜第4三方弁25,27,29,3 First to fourth three-way valve 25,27,29,3
0において,それらの第1,第2ポートが第1送水管2 At 0, the first of them, the second port is the first water supply pipe 2
3に連通するようになっている。 It is adapted to communicate with the 3. 第2,第3三方弁2 The second, the third three-way valve 2
7,29の両第3ポート間が第3送水管31により接続され,その第3送水管31によって放熱器28が迂回される。 Between 7,29 two third port is connected by a third water supply pipe 31, the radiator 28 is bypassed by the third water supply pipe 31.

【0022】第2送水管24には第1精製器6側から順次,第5三方弁32および第6三方弁33が装置される。 [0022] The second water supply pipe 24 sequentially from the first refiner 6 side, and the fifth three-way valve 32 and the sixth three-way valve 33 is device. 第5,第6三方弁32,33において,それらの第1,第2ポートが第2送水管24に連通するようになっている。 Fifth, the sixth three-way valve 32 and 33, the first of them, the second port is adapted to communicate with the second water supply pipe 24. また両三方弁32,33間において,第2送水管24に貯水器34の供給管35が接続される。 In between both three-way valves 32 and 33, the supply pipe 35 of the reservoir 34 is connected to the second water supply pipe 24. その貯水器34は,冷却水循環路22に冷却水を充填するために用いられ,またその冷却水が経時的に減少した場合にはその減少分を直ちに補充する。 Its reservoir 34 is used to fill the cooling water in the cooling water circulation path 22, also in the case where the cooling water is decreased over time immediately replenish the decrease. 第1,第5三方弁2 The first, fifth three-way valve 2
5,32の両第3ポート間が第4送水管36により接続され,その第4送水管36によって第1精製器6が迂回される。 Between 5, 32 two third port is connected by a fourth water supply pipe 36, by the fourth water supply pipe 36 is first refiner 6 is bypassed. さらにまた,第4,第6三方弁30,33の両第3ポート間が第5送水管37により接続され,その第5送水管37によって第2精製器15が迂回される。 Furthermore, fourth, between the third port of the sixth three-way valve 30 and 33 are connected by a fifth water pipe 37, by the fifth water pipe 37 and the second refiner 15 is bypassed.

【0023】水素循環装置20は次のように構成される。 The hydrogen circulation device 20 is constructed as follows. 第1,第2精製器6,15を装置された水素循環路38を備え,その循環路38を構成すべく,第1,第2 Comprises a first, hydrogen circulation path 38 device of the second refiner 6 and 15 so as to constitute a circulation path 38, first, second
精製器6,15間を接続する両導管39,40の一方3 One 3 of the two conduits 39 and 40 connecting the purifier 6,15
9に第1精製器6側から順次,循環ポンプ41および凝縮器42が装置される。 9 sequentially from the first refiner 6 side, the circulation pump 41 and the condenser 42 is device. また一方の導管39において凝縮器42および第2精製器15間に水素を充填されたバッファ容器43が供給管44を介して接続され,その供給管44に二方弁45が装置される。 The buffer reservoir 43 which is filled with hydrogen between the condenser 42 and the second purifier 15 in one of the conduit 39 is connected via a supply pipe 44, the two-way valve 45 to the supply pipe 44 is apparatus. このバッファ容器43は,水素循環路38に再生用水素を充填するために用いられ,またその再生用水素が経時的に減少した場合にはその減少分を直ちに補充する。 The buffer reservoir 43 is used to fill the playback hydrogen to the hydrogen circulation path 38, also in the case where the reproduction hydrogen is decreased over time immediately replenish the decrease.

【0024】次に再生設備3の稼働について説明する。 [0024] will be described operation of the playback equipment 3.

【0025】(1)加熱−冷却装置19の電気ヒータ2 [0025] (1) heating - electric heater 2 of the cooling device 19
1に通電して,図2に実線a,bで示すように第2精製器15のモレキュラシーブ18を室温から再生処理温度である,例えば300℃まで上昇させ,その温度に所定時間保持する。 By energizing the 1, a solid line a, temperature regeneration treatment a molecular sieve 18 of the second purifier 15 from room temperature as shown by b in FIG. 2, for example, is raised to 300 ° C., for a predetermined time at that temperature. これによりモレキュラシーブ18に吸着されていた水分が蒸発する。 Thus the water which has been adsorbed on the molecular sieve 18 is evaporated. また水素循環装置20の循環ポンプ41を作動し,図1に矢印で示すように再生用水素を循環ポンプ41→凝縮器42→第2精製器15→ Also by operating the circulation pump 41 of the hydrogen circulation device 20, circulating the reproduction hydrogen as indicated by the arrows in FIG. 1 the pump 41 → the condenser 42 → second purifier 15 →
第1精製器6→循環ポンプ41の順に循環させ,凝縮器42を経た乾燥状態の再生用水素にモレキュラシーブ1 Is circulated in the order of the first refiner 6 → circulation pump 41, molecular sieves 1 in the reproduction hydrogen dry state through the condenser 42
8から蒸発した水分(水蒸気)を含ませて第2精製器1 Second to 8 by including the moisture (water vapor) evaporated purifier 1
5より排出させる。 5 is discharged from. 水分を含む再生用水素は凝縮器42 Reproducing hydrogen containing water condenser 42
にて脱水乾燥される。 It is dehydrated and dried at. この再生用水素の循環は再生処理終了まで継続される。 Circulation of the regeneration of hydrogen is continued until the reproduction processing ends.

【0026】(2)第2精製器15の電気ヒータ21への通電を停止し,また加熱−冷却装置19の循環ポンプ26を作動して,図1に,黒三角鏃の細い矢印wで示すように,冷却水を循環ポンプ26→第2三方弁27→第3送水管31→第3三方弁29→第4三方弁30→第2 [0026] (2) the energization of the electric heater 21 of the second purifier 15 is stopped, also heated - by operating the circulation pump 26 of the cooling device 19, in FIG. 1, indicated by a thin arrow w of black triangles arrowhead as such, the circulating cooling water pump 26 → second three-way valve 27 → third water supply pipe 31 → the third three-way valve 29 → fourth three-way valve 30 → second
精製器15→第6三方弁33→第5三方弁32→第1精製器6→第1三方弁25→循環ポンプ26の順に循環させる。 Purifier 15 → circulates in the order of the sixth three-way valve 33 → fifth three-way valve 32 → the first refiner 6 → first three-way valve 25 → circulation pump 26. これにより,図2に実線cで示すようにモレキュラシーブ18の温度が下降し,一方,第2精製器15の余熱を奪取して温度上昇した冷却水が第1精製器6を流通することによって,図2に点線dで示すように活性アルミナ17が室温から温度上昇する。 Accordingly, the temperature of the molecular sieve 18 as shown by the solid line c is lowered in FIG. 2, whereas, by cooling water temperature rises to take the residual heat of the second purifier 15 flows through the first refiner 6, activated alumina 17 as indicated by the dotted line d is the temperature rises from room temperature to FIG. (3)モレキュラシーブ18の温度が50℃程度まで下降した時点において,活性アルミナ17の温度は,図2 (3) at the time when the temperature of the molecular sieve 18 is lowered to about 50 ° C., the temperature of the activated alumina 17, FIG. 2
に点線eで示すように再生処理温度である,例えば10 A reproduction process temperature, as shown by the dotted line e, for example 10
0℃まで上昇する(これはシリカゲルについても同じである)。 It rises to 0 ° C. (which is the same for silica gel). そこで,第2精製器15の電気ヒータ21に通電して,図2に実線f,gで示すようにモレキュラシーブ18の温度を100℃よりも所定値だけ上昇させてその温度に所定時間保持し,これにより活性アルミナ17 Therefore, by energizing the electric heater 21 of the second refiner 15, a solid line f, is raised by a predetermined value than 100 ° C. The temperature of the molecular sieve 18 as shown by g predetermined time held at that temperature for 2, This activated alumina 17
の温度を再生処理温度である100℃に所定時間保持して,その活性アルミナ17に吸着されていた水分を蒸発させる。 Holding a predetermined time temperature to 100 ° C. is a reproduction processing temperature, evaporate the water that had been adsorbed on the activated alumina 17. モレキュラシーブ18の殆どの水分は,前記再生処理温度300℃保持過程にて除去されているので, Most moisture molecular sieve 18, because it is removed by the regeneration processing temperature 300 ° C. holding step,
第2精製器15を経た再生用水素は略乾燥状態にあり, Reproducing hydrogen through the second purifier 15 is in a substantially dry state,
その再生用水素に活性アルミナ17から蒸発した水分(水蒸気)を含ませて第1精製器6より排出させる。 Its cause is discharged from the first refiner 6 and include playback hydrogen moisture evaporated from the active alumina 17 (water vapor).

【0027】(4)第2精製器15の電気ヒータ21への通電を停止し,また第2,第3三方弁27,29を切換えて,図1に白三角鏃の細い矢印xで示すように,冷却水を,循環ポンプ26→第2三方弁27→放熱器28 [0027] (4) the energization of the electric heater 21 of the second purifier 15 is stopped, and the second, by switching the third three-way valve 27, 29, as indicated by the thin arrow x of Shirosan Sumi鏃 1 in the cooling water circulation pump 26 → second three-way valve 27 → radiator 28
→第3三方弁29→第4三方弁30→第2精製器15→ → The third three-way valve 29 → fourth three-way valve 30 → second purifier 15 →
第6三方弁33→第5三方弁32→第1精製器6→第1 Sixth three-way valve 33 → fifth three-way valve 32 → the first refiner 6 → first
三方弁25→循環ポンプ26の順に循環させる。 The three-way valve 25 → circulating in the order of the circulation pump 26. これにより,図2に実線hおよび点線iで示すようにモレキュラシーブ18および活性アルミナ17の温度が下降する。 Accordingly, the temperature of the molecular sieve 18 and active alumina 17 as shown in FIG. 2 by the solid line h and the dotted line i is lowered.

【0028】(5)モレキュラシーブ18の温度が50 [0028] (5) the temperature of the molecular sieve 18 50
℃まで下降する直前において,第4,第6三方弁30, Just before descending to ° C., fourth, sixth three-way valve 30,
33を切換えて,図1に,黒三角鏃の太い矢印yで示すように,冷却水を,循環ポンプ26→第2三方弁27→ 33 is switched, in FIG. 1, as indicated by a thick arrow y of black triangles arrowheads, cooling water, circulating pump 26 → second three-way valve 27 →
放熱器28→第3三方弁29→第4三方弁30→第5送水管37→第6三方弁33→第5三方弁32→第1精製器6→第1三方弁25→循環ポンプ26の順に循環させる。 Radiator 28 → third three-way valve 29 → fourth three-way valve 30 → fifth water pipe 37 → the sixth three-way valve 33 → fifth three-way valve 32 → the first refiner 6 → first three-way valve 25 → circulation pump 26 circulating in the order. これにより,図2に点線jで示すように活性アルミナ17の温度が室温まで下降する。 Accordingly, the temperature of the activated alumina 17 as indicated by the dotted line j is lowered to room temperature in Fig. その後,循環ポンプ26の作動を停止する。 Thereafter, to stop the operation of the circulation pump 26.

【0029】(6)前記第4,第6三方弁30,33の切換え直後において,第2精製器15の電気ヒータ21 [0029] (6) The fourth, immediately after switching of the sixth three-way valve 30, 33, the electric heater 21 of the second purifier 15
に通電して,図2に実線kで示すようにモレキュラシーブ18の温度を50℃程度に所定時間保持する。 By energizing the, for a predetermined time at about 50 ° C. The temperature of the molecular sieve 18 as shown by the solid line k in Fig. これにより,モレキュラシーブ18の乾燥が行われる。 Thus, drying the molecular sieve 18 is carried out.

【0030】(7) 第2精製器15の電気ヒータ21 [0030] (7) the electric heater 21 of the second purifier 15
への通電を停止し,また第1,第5三方弁25,32を切換えると共に第4,第6三方弁30,33を切換え, And it stops energizing the, also the first, fourth with switching the fifth three-way valve 25 and 32, switches the sixth three-way valve 30, 33,
さらに循環ポンプ26を作動して,図1に,白三角鏃の太い矢印zで示すように,冷却水を,循環ポンプ26→ Further operating the circulation pump 26, in Figure 1, as indicated by the bold arrow z of white triangle arrowhead, a cooling water circulation pump 26 →
第2三方弁27→放熱器28→第3三方弁29→第4三方弁30→第2精製器15→第6三方弁33→第5三方弁32→第4送水管36→第1三方弁25→循環ポンプ26の順に循環させる。 The second three-way valve 27 → radiator 28 → third three-way valve 29 → fourth three-way valve 30 → second refiner 15 → sixth three-way valve 33 → fifth three-way valve 32 → fourth water supply pipe 36 → the first three-way valve 25 → circulating in the order of the circulation pump 26. これにより,図2に実線mで示すようにモレキュラシーブ18の温度が室温まで下降する。 Accordingly, the temperature of the molecular sieve 18 as shown by the solid line m is lowered to room temperature in Fig.

【0031】上記(1)〜(7)の過程を経て,第1, [0031] through the process of the above (1) to (7), first,
第2精製器6,15の再生処理が終了する。 Reproduction processing of the second purifier 6,15 ends.

【0032】前記のように1つの再生設備3により第1,第2精製器6,15の再生処理を行い,しかも第2 The first by one reproduction equipment 3 as described above, performs the regeneration processing of the second purifier 6,15, moreover second
精製器15の再生処理過程で第1精製器6の再生処理を行うので,両精製器6,15の再生処理を別々に行う場合に比べて再生処理時間を短縮することができる。 Since the reproduction process of the purifier 15 performs reproduction processing of the first refiner 6, it is possible to shorten the reproduction processing time as compared with the case of performing playback processing of both purifier 6,15 separately. また活性アルミナ17の再生処理にモレキュラシーブ18の再生処理熱の余熱を利用するので再生処理に要する熱エネルギを低減することができる。 Also it is possible to reduce the thermal energy required for the regeneration process because it utilizes the residual heat of the regeneration process heat molecular sieve 18 to the reproduction processing of the active alumina 17.

【0033】このように前記再生設備3によれば,第1,第2精製器6,15の再生処理を低コストで,且つ能率良く行うことが可能である。 According to the reproduction equipment 3 Thus, first, low-cost reproduction processing of the second refiner 6 and 15 can be and efficiently performed.

【0034】なお,第1精製器6において,活性アルミナに代えて除湿手段であるボルテックスチューブを用いることが可能である。 [0034] In the first refiner 6, it is possible to use the vortex tube a dehumidifying means instead of the activated alumina.

【0035】 [0035]

【発明の効果】請求項1記載の発明によれば,前記のように構成することによって高純度水素を得るために用いられる第2精製器の延命を図ることが可能な水素ステーションを提供することができる。 According to the invention of claim 1, wherein, according to the present invention, to provide the structure hydrogen station capable of achieving survival of the second purifier to be used to obtain high-purity hydrogen by as can.

【0036】請求項2記載の発明によれば,前記効果に加え,圧縮機の延命を図り,また第2精製水素用圧縮機を不要にして設備コストを低減させた水素ステーションを提供することができる。 According to the second aspect of the present invention, in addition to the effect, working to prolong life of the compressor, also it is possible to provide a hydrogen station with reduced equipment cost by eliminating the need for second purified hydrogen compressor it can.

【0037】請求項3,4および7記載の発明によれば,第1,第2精製水素を確実に得ることが可能で,経済的な水素ステーションを提供することができる。 [0037] According to the invention of claim 3, 4 and 7 wherein the first, can be reliably obtained second purified hydrogen, it is possible to provide an economical hydrogen stations.

【0038】請求項5および6記載の発明によれば,第1,第2精製器の再生処理を低コストで,且つ能率良く行うことが可能な再生設備を備えた水素ステーションを提供することができる。 [0038] According to the invention of claim 5 and 6, wherein, to provide a hydrogen station provided with a first, low-cost reproduction processing of the second purifier, and which can efficiently performed reproduction equipment it can.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】水素ステーションの概略説明図である。 1 is a schematic illustration of a hydrogen station.

【図2】再生処理におけるモレキュラシーブおよび活性アルミナの経時的温度変化を示すグラフである。 Figure 2 is a graph showing the time-temperature change of the molecular sieve and activated alumina in the reproduction process.

【符号の説明】 DESCRIPTION OF SYMBOLS

1…………水素ステーション 3…………精製器用再生設備 4…………水電解装置(水素製造装置) 6…………第1精製器 7…………圧縮機 8…………切換装置 12………高圧容器(第1貯蔵器) 14………第2減圧弁 15………第2精製器 16………圧力容器(第2貯蔵器) 17………活性アルミナ 18………モレキュラシーブ 1 ............ hydrogen station 3 ............ purified dexterity reproduction equipment 4 ............ water electrolysis apparatus (hydrogen production system) 6 ............ first refiner 7 ............ compressor 8 ............ switching device 12 ......... high-pressure vessel (first reservoir) 14 ......... second pressure reducing valve 15 ......... second refiner 16 ......... pressure vessel (second reservoir) 17 ......... activated alumina 18 ... ...... molecular sieve

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl. 7識別記号 FI テーマコート゛(参考) B01J 20/34 B01J 20/34 F H B67D 5/01 B67D 5/01 C01B 3/00 C01B 3/00 B Z 3/56 3/56 A // H01M 8/04 H01M 8/04 N 8/06 8/06 R Fターム(参考) 3D026 CA00 3E083 AA18 4G040 AA25 AA43 AA45 BA03 BB03 FA02 FB02 FC02 FD04 FE01 4G066 AA02B AA04B AA20B AA22B CA38 CA43 DA01 EA09 GA02 GA04 GA08 5H027 AA02 BA11 BA13 BA14 BA16 ────────────────────────────────────────────────── ─── of the front page continued (51) Int.Cl. 7 identification mark FI theme Court Bu (reference) B01J 20/34 B01J 20/34 F H B67D 5/01 B67D 5/01 C01B 3/00 C01B 3/00 B Z 3/56 3/56 A // H01M 8/04 H01M 8/04 N 8/06 8/06 R F term (reference) 3D026 CA00 3E083 AA18 4G040 AA25 AA43 AA45 BA03 BB03 FA02 FB02 FC02 FD04 FE01 4G066 AA02B AA04B AA20B AA22B CA38 CA43 DA01 EA09 GA02 GA04 GA08 5H027 AA02 BA11 BA13 BA14 BA16

Claims (7)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 水素製造装置(4)と,その水素製造装置(4)により製造された水素を精製して第1精製水素を得る第1精製器(6)と,前記第1精製水素の流れ方向を貯蔵側および再精製側の一方に決める切換装置(8)と,前記第1精製水素を充填される第1貯蔵器(12)と,前記第1精製水素を再精製して第2精製水素を得る第2精製器(15)と,前記第2精製水素を充填される第2貯蔵器(16)とを有することを特徴とする水素ステーション。 And 1. A hydrogen generating apparatus (4), first refiner to obtain a first purified hydrogen and purified the produced hydrogen by the hydrogen generating device (4) and (6), the first purified hydrogen switching device for determining the flow direction in one of the storage-side and re-refined side (8), the first reservoir is filled with the first purified hydrogen (12), first and re-purifying the first purified hydrogen 2 hydrogen station, characterized in that it comprises a second refiner to obtain a purified hydrogen (15), a second reservoir which is filled with the second purified hydrogen and (16).
  2. 【請求項2】 前記第1精製器(6)と前記切換装置(8)との間に前記第1精製水素を圧縮する圧縮機(7)を備え,前記切換装置(8)は再精製側へ流れる高圧の前記第1精製水素を減圧する機能を有し,前記第1貯蔵器は高圧の前記第1精製水素に対応した高圧容器(12)であり,前記第2貯蔵器は,減圧下にある前記第2精製水素を吸蔵する水素吸蔵材(MH)を有する圧力容器(16)である,請求項1記載の水素ステーション。 2. A comprises a compressor (7) for compressing the first purified hydrogen between the first refiner (6) and the switching device (8), said switching device (8) is repurified side has a function of depressurizing said first hydrotreated high pressure flowing into the first reservoir is a high pressure vessel which corresponds to the high pressure of the first purified hydrogen (12), said second reservoir, under reduced pressure the second is a hydrogen storage material for storing purified hydrogen (MH) pressure vessel (16) having, claim 1 hydrogen station according in.
  3. 【請求項3】 前記第1および第2精製器(6,15) Wherein said first and second purifier (6, 15)
    は,それぞれ加熱によって再生される吸着材(17,1 The adsorbent is regenerated by heating, respectively (17,1
    8)を備えている,請求項1または2記載の水素ステーション。 And a 8), according to claim 1 or 2 hydrogen station according.
  4. 【請求項4】 前記第1精製器(6)の前記吸着材は活性アルミナおよびシリカゲルの少なくとも一方(17) Wherein said first purifier at least one of activated alumina and silica gel wherein the adsorbent (6) (17)
    であり,前記第2精製器(15)の前記吸着材はモレキュラシーブ(18)である,請求項3記載の水素ステーション。 , And the said adsorbent of the second purifier (15) is a molecular sieve (18), according to claim 3 hydrogen station according.
  5. 【請求項5】 前記第2精製器(15)の再生処理過程で前記第1精製器(6)の再生処理を行うことが可能な再生設備(3)を有する,請求項4記載の水素ステーション。 Wherein having said second purifier (15) of the reproduction process the first purifier in step (6) playback process can play facility that performs the (3), according to claim 4 hydrogen station according .
  6. 【請求項6】 前記再生設備(3)において,前記モレキュラシーブ(18)の再生処理温度は,前記活性アルミナおよびシリカゲル(17)の再生処理温度よりも高く設定され,その活性アルミナおよびシリカゲル(1 6. The reproduction equipment (3), reproduction processing temperature of the molecular sieve (18), said set higher than the reproduction processing temperature of the activated alumina and silica gel (17), the activated alumina and silica gel (1
    7)の再生処理に前記モレキュラシーブ(18)の再生処理熱の余熱が利用される,請求項5記載の水素ステーション。 Residual heat of regeneration process heat of the molecular sieve (18) in the regeneration process of 7) is used, the hydrogen station according to claim 5, wherein.
  7. 【請求項7】 前記第1精製器(6)は除湿手段であるボルテックスチューブを備え,前記第2精製器(15) Wherein said first refiner (6) is provided with a vortex tube a dehumidifying unit, the second purifier (15)
    は吸着材としてモレキュラシーブ(18)を備えている,請求項1または2記載の水素ステーション。 And which, according to claim 1 or 2 hydrogen station according to comprising a molecular sieve (18) as adsorbent.
JP2001050857A 2001-02-26 2001-02-26 Hydrogen station Pending JP2002249032A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006176340A (en) * 2004-12-20 2006-07-06 Jipangu Energy:Kk Station system for supplying hydrogen gas
CN1316661C (en) * 2003-08-04 2007-05-16 天津海蓝德能源技术发展有限公司 Composite hydrogen storage device
US7534510B2 (en) 2004-09-03 2009-05-19 The Gillette Company Fuel compositions
JP2014120386A (en) * 2012-12-18 2014-06-30 Toyota Motor Corp Cooling system for fuel cell
JP2016183684A (en) * 2015-03-25 2016-10-20 Jxエネルギー株式会社 Hydrogen station

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1316661C (en) * 2003-08-04 2007-05-16 天津海蓝德能源技术发展有限公司 Composite hydrogen storage device
US7534510B2 (en) 2004-09-03 2009-05-19 The Gillette Company Fuel compositions
US7989117B2 (en) 2004-09-03 2011-08-02 The Gillette Company Fuel compositions
JP2006176340A (en) * 2004-12-20 2006-07-06 Jipangu Energy:Kk Station system for supplying hydrogen gas
JP2014120386A (en) * 2012-12-18 2014-06-30 Toyota Motor Corp Cooling system for fuel cell
JP2016183684A (en) * 2015-03-25 2016-10-20 Jxエネルギー株式会社 Hydrogen station

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