JP6210671B2 - HYDROGEN GENERATOR AND METHOD OF CONTROLLING HYDROGEN GENERATION USING THE SAME - Google Patents

HYDROGEN GENERATOR AND METHOD OF CONTROLLING HYDROGEN GENERATION USING THE SAME Download PDF

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JP6210671B2
JP6210671B2 JP2012238901A JP2012238901A JP6210671B2 JP 6210671 B2 JP6210671 B2 JP 6210671B2 JP 2012238901 A JP2012238901 A JP 2012238901A JP 2012238901 A JP2012238901 A JP 2012238901A JP 6210671 B2 JP6210671 B2 JP 6210671B2
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JP2014088280A (en
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勝介 綿貫
勝介 綿貫
伸明 水木
伸明 水木
保弘 三枝
保弘 三枝
清司 川口
清司 川口
水野　渡
渡 水野
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トナミ運輸株式会社
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    • 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
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Description

本発明はアルミとアルカリ性水溶を反応させて水素を得るための装置に関する。   The present invention relates to an apparatus for obtaining hydrogen by reacting aluminum with an alkaline aqueous solution.

水素を発生させる方法としてアルミを水酸化ナトリウムの水溶液等のアルカリ水溶液に接触させる方法は、原理的に公知である。
本出願人らは、この原理を用いてアルミ系包装材を乾留処理して回収した箔状のアルミを用いた水素発生装置を提案している（特許文献１）。
本発明は上記発明をさらに改善し、安定して水素を得ることができる水素発生装置を提案するものである。 As a method of generating hydrogen, a method of bringing aluminum into contact with an alkaline aqueous solution such as an aqueous solution of sodium hydroxide is known in principle.
The present applicants have proposed a hydrogen generator using foil-like aluminum recovered by dry distillation treatment of an aluminum-based packaging material using this principle (Patent Document 1).
The present invention proposes a hydrogen generator that can further improve the above-described invention and stably obtain hydrogen.

特開２００９−１０７８９５号公報JP 2009-107895 A

本発明は簡単な構造でありながら、水素の発生量の制御が容易な水素発生装置の提供を目的とする。   An object of the present invention is to provide a hydrogen generator that can easily control the amount of hydrogen generated while having a simple structure.

本発明に係る水素発生装置は、アルミとアルカリ性水溶液とを反応させて水素を発生させる水素発生装置であって、前記水素発生装置はアルミを投入し水素を発生させるための反応容器部と、前記アルカリ性水溶液を貯留しておくための貯留容器部とを備え、前記反応容器部の底部側と貯留容器部の底部側とが連通部にて連通可能であり、反応容器内の水素圧が高くなると、反応液が貯留容器部側に戻るようになっていることを特徴とする。
ここで反応容器部と貯留容器部とは、それぞれ単独の容器でもよく、一体的な容器を仕切って反応容器部と貯留容器部とを形成してもよい。
反応容器部の底部側と貯留容器部の底部側とを連通部にて連通可能にしたとは、反応開始時に連通部をバルブ等で遮断してあり、反応容器部よりも貯留容器部の方が液面が高く、バルブ等を開くと貯留容器部に貯留されていたアルカリ水溶液の水圧にて、このアルカリ水溶液が反応容器部側に流れ込み、アルミと反応し水素量が多くなり容器内の水素圧が高くなると、その水素圧にて反応容器部に溜まっていた反応中のアルカリ水溶液が貯留容器部側に押し戻されることで水素の発生量が抑えられるように連通したことをいう。
よって、連通部は容器の底部よりの側面で連通してもよく、必ずしも底面から連通する必要はない。 A hydrogen generator according to the present invention is a hydrogen generator for generating hydrogen by reacting aluminum with an alkaline aqueous solution, wherein the hydrogen generator is a reaction vessel section for generating hydrogen by introducing aluminum, and A storage container part for storing an alkaline aqueous solution, the bottom side of the reaction container part and the bottom part side of the storage container part can communicate with each other at the communication part, and the hydrogen pressure in the reaction container becomes high The reaction liquid returns to the storage container part side.
Here, each of the reaction container part and the storage container part may be a single container, or the integral container may be partitioned to form the reaction container part and the storage container part.
The communication between the bottom of the reaction vessel and the bottom of the storage vessel through the communication unit means that the communication is blocked by a valve or the like at the start of the reaction. However, when the valve is opened, this alkaline aqueous solution flows into the reaction vessel side due to the water pressure of the alkaline aqueous solution stored in the storage vessel, and reacts with aluminum to increase the amount of hydrogen and increase the hydrogen in the vessel. When the pressure is increased, it means that the aqueous alkali solution during the reaction that has accumulated in the reaction vessel portion at that hydrogen pressure is pushed back to the storage vessel portion side so that the generation amount of hydrogen can be suppressed.
Therefore, the communication part may communicate with the side surface from the bottom of the container, and it is not always necessary to communicate with the bottom surface.

また、反応容器部と貯留容器部とを底部側で連通させる場合に反応容器部の上部側から水素を取り出し、貯留容器部の上側空間部は大気と連通させてもよい。
また、貯留容器部の上側空間部を大気とは密閉状態にしつつ、この貯留容器の上側空間部と反応容器部の上側空間部とを連通させると、反応容器部の上側空間部の水素圧と貯留容器部の上側空間部の空気圧との均衡を図りながら水素を発生させることができる。
この際に反応容器部又は／及び貯留容器部にリリーフバルブを有し、反応水素圧が所定以上に上昇しないように制御されているようにしてもよい。 Further, when the reaction container part and the storage container part are communicated on the bottom side, hydrogen may be taken out from the upper side of the reaction container part, and the upper space part of the storage container part may be communicated with the atmosphere.
Further, when the upper space part of the storage container and the upper space part of the reaction container part are communicated with each other while the upper space part of the storage container part is sealed from the atmosphere, the hydrogen pressure of the upper space part of the reaction container part is increased. Hydrogen can be generated while balancing with the air pressure in the upper space of the storage container.
At this time, a relief valve may be provided in the reaction container part and / or the storage container part, and the reaction hydrogen pressure may be controlled so as not to rise above a predetermined level.

本発明において、反応容器部と貯留容器部との連通部にフィルター装置を有するようにすると、反応容器部から貯留容器部側に反応液が逆戻りする際に反応中のアルミが貯留容器部側に混入するのを防止できる。
本発明に係る装置にあっては、反応容器部や貯留容器部に圧力計を設けるとともにバルブ類を電磁弁バルブにすると自動制御でき、減少した水を自動補給しながら連続運転することも可能である。
また、水素発生装置以外のガス発生装置にも応用できる。 In the present invention, when the filter device is provided in the communication portion between the reaction vessel portion and the storage vessel portion, the aluminum during the reaction is returned to the storage vessel portion side when the reaction solution returns from the reaction vessel portion to the storage vessel portion side. Mixing can be prevented.
In the apparatus according to the present invention, a pressure gauge is provided in the reaction vessel part and the storage vessel part and the valves can be automatically controlled by using solenoid valves, and it is also possible to continuously operate while automatically supplying the reduced water. is there.
It can also be applied to gas generators other than hydrogen generators.

本発明において、水素発生の原料に用いるアルミの形態に制限はなく、反応容器部に投入できる大きさの塊状、粒状、片状等が例として挙げられる。
水素発生の原材料に用いるアルミにアルミ箔等の薄いアルミを用いた場合に水素ガスとともにアルミ箔が浮上し、反応性が低下する恐れもある。
そこで、そのようなアルミ原材料の場合には多孔板等のアルミ浮上防止手段を反応容器部内に設けてもよい。 In the present invention, there is no limitation on the form of aluminum used as a raw material for hydrogen generation, and examples include a lump shape, a granular shape, a flake shape and the like that can be charged into the reaction vessel.
When a thin aluminum such as an aluminum foil is used as the raw material for generating hydrogen, the aluminum foil floats along with the hydrogen gas, which may reduce the reactivity.
Therefore, in the case of such an aluminum raw material, an aluminum floating prevention means such as a perforated plate may be provided in the reaction vessel portion.

本発明に用いるアルカリ液はｐＨ１３以上のアルカリ液であれば水酸化ナトリウム，水酸化カリウム等、化学物質に限定はない。
なお、水酸化ナトリウム，水酸化カリウム等のアルカリ金属単独の水溶液では、アルミとの反応開始速度が遅かったり、反応時間の経過とともに水素の発生量が少なくなる場合もあった。
そこで、水素発生触媒として、Ｆｅ２（ＳＯ４）３，ＦｅＣｌ３，Ｆｅ（ＮＨ４）（ＳＯ４）２，（ＮＨ４）２Ｆ２（ＳＯ４）２，ＭｇＣｌ２，Ａｇ３ＳＯ４，Ｃｏ（ＮＯ３）２，Ｋ２ＣＯ３，ＣｕＳＯ４，ＺｎＳＯ４，ＮａＦ，Ｎａ２ＳＯ４，Ｎａ３ＰＯ４，ＮａＣｌＯ４のうちから単独又は組み合せて用いると、水素発生の応答性が高く、アルミが反応液に接触するとすぐに水素が発生し始め、またアルミとの反応率が高い。 The alkaline solution used in the present invention is not limited to chemical substances such as sodium hydroxide and potassium hydroxide as long as the alkaline solution has a pH of 13 or higher.
In the case of an aqueous solution of an alkali metal such as sodium hydroxide or potassium hydroxide, the reaction initiation rate with aluminum is slow, or the amount of hydrogen generated may decrease as the reaction time elapses.
Therefore, as a hydrogen generation catalyst, Fe 2 (SO 4 ) 3 , FeCl 3 , Fe (NH 4 ) (SO 4 ) 2 , (NH 4 ) 2 F 2 (SO 4 ) 2 , MgCl 2 , Ag 3 SO 4 , When used alone or in combination among Co (NO 3 ) 2 , K 2 CO 3 , CuSO 4 , ZnSO 4 , NaF, Na 2 SO 4 , Na 3 PO 4 , NaClO 4 , the hydrogen generation responsiveness is high. As soon as aluminum comes into contact with the reaction solution, hydrogen begins to be generated and the rate of reaction with aluminum is high.

本発明に係る水素発生装置は、水素の発生圧により反応液の液面が上下動するので、それによりアルミとの反応液量が変化するので、発生する水素圧が安定する。
また、反応を停止させる場合にも水素圧を利用して反応液を貯留容器部側に戻すことで容易に停止できる。 In the hydrogen generator according to the present invention, the liquid level of the reaction liquid moves up and down by the generation pressure of hydrogen, so that the amount of the reaction liquid with aluminum changes, so that the generated hydrogen pressure is stabilized.
Moreover, also when stopping reaction, it can stop easily by returning a reaction liquid to the storage container part side using a hydrogen pressure.

本発明に係る水素発生装置の構成例を示す。The structural example of the hydrogen generator which concerns on this invention is shown. 水素発生における液面変化の説明図を示す。An explanatory view of liquid level change in hydrogen generation is shown. 容器内の空間の空気圧を利用した水素発生制御例を示す。An example of hydrogen generation control using the air pressure of the space in the container is shown. 反応容器の外周側に貯留容器部を配置した例を示す。The example which has arrange | positioned the storage container part to the outer peripheral side of the reaction container is shown. アルミ箔に浮上防止手段を設けた例を示す。The example which provided the floating prevention means in the aluminum foil is shown. 反応液の自己撹拌手段を設けた例を示す。The example which provided the self-stirring means of the reaction liquid is shown. 連通部のフィルター構造例を示す。An example of the filter structure of the communication part is shown.

本発明に係る水素発生装置の構成例を図に基づいて説明するが、本発明はこれに限定されない。
水素発生装置１０は、図１に示すように密閉容器からなる反応容器部１１とアルカリ液を貯留しておくための貯留容器部１２とがそれぞれの底部又は底部付近で配管接続した連通部１３にて接続されている。
図１に示した例は、連通部１３の途中に設けたバルブＶ１を開くと貯留容器部１２内のアルカリ水溶液が自重圧で反応容器部１１内に流れ込みやすいように貯留容器部１２の高さを反応容器部１１よりも高い位置に設定してある。
また、連通配管の途中に連通フィルター１５を設けてある。
反応容器部１１の上方にはアルミを投入するホッパーを第１ホッパー１９ａと第２ホッパー１９ｂの二段に分けて設けるとともに、バルブＶ５，Ｖ６をそれぞれ設けることで、バルブＶ５，Ｖ６を交互に開閉し、反応中でもアルミを投入できるようにしてある。
反応容器部１１の下部にはフィルター１４を介して沈殿部１７とヒーター１６を設けてある。
沈殿部１７はアルミが反応して生成した水酸化アルミ等が沈殿回収されるところであり、下部に回収用バルブＶ７が設けられている。
また、ヒーター１６は反応初期に反応液の温度が低い場合に用いる。
反応容器部１１ではアルカリ水溶液（反応液）２０とアルミＭが反応し、水素が発生するので、流量計１８及びバルブＶ８を介して水素の取り出し口が設けられている。
また、水素の発生により、水が減少するので水を補給するための水タンク５０がバルブＶ９を介して設けられている。
反応容器部１１の上部と貯留容器部１２の上部とはバルブＶ３を介して連通配管してある。
貯留容器部１２の上部には大気開放のためのバルブＶ２を設けてある。
また、反応容器部１１と貯留容器部１２の上部には、必要に応じて圧力計Ｐ１，Ｐ２及びリリーフバルブＲ１，Ｒ２がそれぞれ設けられている。 Although the structural example of the hydrogen generator which concerns on this invention is demonstrated based on figures, this invention is not limited to this.
As shown in FIG. 1, the hydrogen generator 10 is connected to a communication part 13 in which a reaction container part 11 formed of a sealed container and a storage container part 12 for storing an alkaline liquid are connected to each other at the bottom or near the bottom. Connected.
In the example shown in FIG. 1, when the valve V 1 provided in the middle of the communication part 13 is opened, the alkaline container aqueous solution in the storage container part 12 can be easily flown into the reaction container part 11 by its own pressure. The height is set at a position higher than the reaction vessel portion 11.
A communication filter 15 is provided in the middle of the communication pipe.
Above the reaction vessel 11, a hopper for charging aluminum is provided in two stages, a first hopper 19 a and a second hopper 19 b, and valves V 5 and V 6 are provided to provide valves V 5 and V 6. Are alternately opened and closed so that aluminum can be charged even during the reaction.
A precipitation unit 17 and a heater 16 are provided below the reaction vessel unit 11 via a filter 14.
The precipitated portion 17 is a place where such aluminum hydroxide which aluminum is produced by the reaction is precipitated recovered, the recovery valve V 7 is provided at a lower portion.
The heater 16 is used when the temperature of the reaction solution is low at the beginning of the reaction.
In the reaction vessel 11, the alkaline aqueous solution (reaction solution) 20 and the aluminum M react to generate hydrogen, and therefore a hydrogen outlet is provided through the flow meter 18 and the valve V 8 .
Moreover, the generation of hydrogen, because the water is reduced the water tank 50 for supplying water is provided via a valve V 9.
The top of the reaction vessel 11 and the upper portion of the reservoir unit 12 are piping communicating via a valve V 3.
A valve V < b > 2 for opening to the atmosphere is provided at the upper part of the storage container portion 12.
In addition, pressure gauges P 1 and P 2 and relief valves R 1 and R 2 are respectively provided on the upper portions of the reaction vessel portion 11 and the storage vessel portion 12 as necessary.

次に図２に基づいて水素発生の制御方法について説明する。
図２（ａ）は、アルカリ水溶液２１を貯留容器部１２に貯めてあり、大気開放用のバルブＶ２と連通用のバルブＶ１を閉じた状態になっていて、反応容器部１１にアルミＭを投入した状態である。
この状態からバルブＶ１，Ｖ２を開くと、液圧にてアルカリ水溶液２１が反応容器部１１に流れ込み、反応液２０となる。
図２（ｂ）に示すように、反応液の液面２０ａは、アルミよりも上側になる。
これにより、アルミとの反応により水素が発生する。
水素の取り出しよりも発生量が大きくなると、図２（ｃ）に示すように水素圧が上昇し、その圧により液面２０ａが下降する。
これにより、水素の発生量が自動的に抑えられる。
また、水素の取り出し口のバルブＶ８を閉じると、水素圧を利用して図２（ａ）の状態に戻すことができる。 Next, a method for controlling hydrogen generation will be described with reference to FIG.
2 (a) is Yes and accumulate alkaline aqueous solution 21 in the reservoir 12, they become the closed state of the valve V 1 of the valve V 2 and the communication-class for air release, aluminum M in the reaction vessel 11 Is in a state in which.
When the valves V 1 and V 2 are opened from this state, the alkaline aqueous solution 21 flows into the reaction vessel portion 11 by the hydraulic pressure, and becomes the reaction solution 20.
As shown in FIG. 2B, the liquid level 20a of the reaction solution is on the upper side of aluminum.
Thereby, hydrogen is generated by reaction with aluminum.
When the generation amount becomes larger than the removal of hydrogen, the hydrogen pressure rises as shown in FIG. 2C, and the liquid level 20a falls due to the pressure.
Thereby, the generation amount of hydrogen is automatically suppressed.
Also, closing the valve V 8 of outlet hydrogen, it can be returned to the state shown in FIG. 2 (a) by utilizing hydrogen pressure.

本発明は、反応に用いられるアルカリ水溶液の量を変化させることができるものであれば、図３に示すように反応容器部１１の底面高さと、貯留容器部底面高さに差がなくてもよい。
図３（ａ）の状態から、バルブＶ１，Ｖ２を開くと水圧差により図３（ｂ）の状態になり、水素が発生する。
この状態で大気開放用バルブＶ２を閉じ、上部側の連通バルブＶ３を開く。
このようにすると、図３（ｃ）に示すように貯留容器部１２の空間部の空気圧Ｐａと水素圧Ｐａとが均衡を保ちながら水素を発生させることができる。 In the present invention, as long as the amount of the aqueous alkali solution used for the reaction can be changed, as shown in FIG. 3, there is no difference between the bottom height of the reaction vessel portion 11 and the bottom height of the storage vessel portion. Good.
When the valves V 1 and V 2 are opened from the state shown in FIG. 3A, the state shown in FIG. 3B is reached due to the water pressure difference, and hydrogen is generated.
Close the air release valve V 2 in this state, opening the communication valve V 3 of the upper side.
If it does in this way, as shown in FIG.3 (c), hydrogen can be generated, maintaining the air pressure Pa and hydrogen pressure Pa of the space part of the storage container part 12 in balance.

図４は反応容器部１１の外周側に一体的に貯留容器部１２を設けた例であり、配置の内外はこの逆であってもよい。
また、貯留容器の外周部に冷却フィン１２ａを形成した例になっている。 FIG. 4 is an example in which the storage container part 12 is integrally provided on the outer peripheral side of the reaction container part 11, and the inside and outside of the arrangement may be reversed.
Moreover, it is the example which formed the cooling fin 12a in the outer peripheral part of the storage container.

図５はアルミ箔のように薄い場合に、水素ガスとともに浮上するのを防止した多孔板３０を設けた例であり、図５（ａ）は１枚の多孔板３０の例であり、図５（ｂ）は２枚の多孔板３０ａ，３０ｂを二段に設け、その下側に二段に分けてアルミＭを投入した例である。
このように二段にすると、下段にて発生した水素により上段のアルミが撹拌される。 FIG. 5 shows an example in which a perforated plate 30 that prevents floating with hydrogen gas when it is thin like an aluminum foil is provided, and FIG. 5A shows an example of a single perforated plate 30. (B) is an example in which two perforated plates 30a and 30b are provided in two stages, and aluminum M is charged in two stages below.
In this way, the upper aluminum is stirred by the hydrogen generated in the lower stage.

図６は反応容器部の内側に上部の羽根車４２と下部の撹拌棒４１を連結し、軸保持させた例である。
発生水素が上昇し羽根車４２に当たり、その力で撹拌棒４１が回転するのでアルミが撹拌される。 FIG. 6 shows an example in which the upper impeller 42 and the lower stirring bar 41 are connected to the inside of the reaction vessel and are held on the shaft.
The generated hydrogen rises and hits the impeller 42, and the stirring rod 41 is rotated by that force, so that the aluminum is stirred.

図７は連通フィルター１５の内部構造例を示し、フィルターのメッシュの大きい順に３つのフィルター１５ａ，１５ｂ，１５ｃを三段に設けた例となっている。
これにより、反応液２０が貯留容器部１２側に戻される際にアルミが混入するのを防止するとともに、メッシュの大きさの異なる三段構造になっているので、フィルターが目詰まりするのを防止できる。 FIG. 7 shows an example of the internal structure of the communication filter 15, in which three filters 15a, 15b, and 15c are provided in three stages in order of increasing filter mesh.
This prevents aluminum from being mixed when the reaction solution 20 is returned to the storage container 12 side, and prevents the filter from being clogged because it has a three-stage structure with different mesh sizes. it can.

図１に示した水素発生装置１０を用いて水素発生実験を行った。
濃度２．５％の水酸化ナトリウム水溶液８リットル中に触媒として、Ｆｅ２（ＳＯ４）３：０．０１モル，Ｎａ３ＰＯ４：０．０１モル添加した反応液にアルミ系包装材から乾留により回収したアルミ２５ｇを投入したところ、投入とほぼ同時に水素が発生しはじめ、約２８．７リットルの水素が得られた。
これは理論値２９リットルに近い値である。
一方、比較のために反応液として２．５％の水酸化ナトリウムを単独に用いたところ、アルミ投入から水素発生が始まるまでに数分間要し、水素発生量は約２０リットルであった。 A hydrogen generation experiment was performed using the hydrogen generator 10 shown in FIG.
Dry distillation from an aluminum-based packaging material to a reaction solution in which Fe 2 (SO 4 ) 3 : 0.01 mol and Na 3 PO 4 : 0.01 mol were added as catalysts in 8 liters of a 2.5% sodium hydroxide aqueous solution When 25 g of the aluminum recovered by the above was introduced, hydrogen began to be generated almost simultaneously with the addition, and about 28.7 liters of hydrogen was obtained.
This is a value close to the theoretical value of 29 liters.
On the other hand, when 2.5% sodium hydroxide was used alone as a reaction solution for comparison, several minutes were required from the introduction of aluminum to the start of hydrogen generation, and the hydrogen generation amount was about 20 liters.

１０ 水素発生装置
１１ 反応容器部
１２ 貯留容器部
１３ 連通部
１４ フィルター
１５ 連通フィルター
１６ ヒーター
１７ 沈殿部
１８ 流量計
１９ａ 第１ホッパー
１９ｂ 第２ホッパー
２０ 反応液
２０ａ 反応液の液面
３０ 多孔板
４１ 撹拌棒
４２ 羽根車
５０ 水タンク
Ｍ アルミ DESCRIPTION OF SYMBOLS 10 Hydrogen generator 11 Reaction container part 12 Storage container part 13 Communication part 14 Filter 15 Communication filter 16 Heater 17 Precipitation part 18 Flowmeter 19a First hopper 19b Second hopper 20 Reaction liquid 20a Reaction liquid level 30 Perforated plate 41 Stirring Rod 42 Impeller 50 Water tank M Aluminum

Claims (1)

アルミとアルカリ性水溶液とを反応させて水素を発生させる水素発生装置であって、
前記水素発生装置はアルミを投入し水素を発生させるための反応容器部と、
前記アルカリ性水溶液を貯留しておくための貯留容器部とを備え、
前記貯留容器部は上部に大気開放のためのバルブ（Ｖ２）を有し、
前記貯留容器部の上側空間部と前記反応容器部の上側空間部とを連結した上部連通部を有し、前記上部連通部には上部側の連通バルブ（Ｖ ３ ）を有し、
前記反応容器部の底部側と貯留容器部の底部側とが連通部にて連結されるとともに当該連通部に連通用バルブ（Ｖ１）を有した水素発生装置を用いて、
前記連通用バルブ（Ｖ１）を閉じた状態で前記反応容器部にアルミを投入し、
前記貯留容器部にｐＨ１３以上の水酸化ナトリウムからなるアルカリ液に触媒Ｆｅ２（ＳＯ４）３及びＮａ３ＰＯ４を混合した反応液を投入し、
前記大気開放のためのバルブ（Ｖ２）と連通用バルブ（Ｖ１）を開くと前記反応液がその液圧により前記反応容器部に移動した後に、前記大気開放のためのバルブ（Ｖ ２ ）を閉じ、前記上部側の連通バルブ（Ｖ ３ ）を開くと、
前記反応容器部の上部に発生した水素圧と前記貯留容器部の上側空間部の空気圧とが均衡した状態を保ちながら前記反応容器部の上部から水素を取り出すことを特徴とする水素発生量の制御方法。 A hydrogen generator for generating hydrogen by reacting aluminum with an alkaline aqueous solution,
The hydrogen generator is a reaction vessel section for introducing hydrogen and generating hydrogen,
A storage container for storing the alkaline aqueous solution,
The storage container portion has a valve (V 2 ) for opening to the atmosphere at the top,
An upper communication part connecting the upper space part of the storage container part and the upper space part of the reaction container part, the upper communication part has an upper communication valve (V 3 );
Using a hydrogen generator in which the bottom side of the reaction container part and the bottom part side of the storage container part are connected at a communication part and the communication part has a communication valve (V 1 ).
With the communication valve (V 1 ) closed, aluminum was put into the reaction vessel part,
A reaction liquid obtained by mixing the catalyst Fe 2 (SO 4 ) 3 and Na 3 PO 4 in an alkaline liquid composed of sodium hydroxide having a pH of 13 or more is charged into the storage container part,
After moving to the valve (V 2) and open the communication Spoken valve (V 1) and the reaction solution is more the reaction vessel portion in the fluid pressure for the air release, the valve for the air release (V 2 ) Close and open the upper communication valve (V 3 )
Control of hydrogen generation amount, wherein hydrogen is taken out from the upper part of the reaction container part while maintaining a state where the hydrogen pressure generated in the upper part of the reaction container part and the air pressure in the upper space part of the storage container part are balanced Method.
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