JP2003104702A - Apparatus for generating hydrogen-containing gas and its operation method - Google Patents
Apparatus for generating hydrogen-containing gas and its operation methodInfo
- Publication number
- JP2003104702A JP2003104702A JP2001300019A JP2001300019A JP2003104702A JP 2003104702 A JP2003104702 A JP 2003104702A JP 2001300019 A JP2001300019 A JP 2001300019A JP 2001300019 A JP2001300019 A JP 2001300019A JP 2003104702 A JP2003104702 A JP 2003104702A
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- treatment
- reforming
- desulfurization
- hydrogen
- set value
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、改質処理部加熱手
段により加熱され、炭化水素系の原燃料ガスを水蒸気に
て水素と一酸化炭素を含む改質処理ガスに改質させる改
質処理を行なう改質処理部と、前記改質処理部加熱手段
の加熱能力を調整して、前記改質処理部における改質処
理温度を、改質処理温度設定値以上に維持する改質処理
部温度維持手段とを備えた水素含有ガス生成装置の運転
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reforming treatment in which a hydrocarbon-based raw fuel gas is heated by a reforming treatment section heating means and reformed with steam into a reforming treatment gas containing hydrogen and carbon monoxide. The temperature of the reforming processing part for adjusting the heating capacity of the reforming processing part and the heating means of the reforming processing part heating means so as to maintain the reforming processing temperature in the reforming processing part at the reforming processing temperature set value or more. The present invention relates to a method for operating a hydrogen-containing gas generation device including a maintenance means.
【０００２】[0002]
【従来の技術】かかる水素含有ガス生成装置は、脱硫処
理部にて脱硫処理等が施された炭化水素系の原燃料ガス
を改質処理部にて水蒸気により水素ガスと一酸化炭素ガ
スを含むガスに改質処理し、その改質処理ガスを変成処
理部にて改質処理ガス中の一酸化炭素ガスを二酸化炭素
ガスに変成させることにより変成処理し、さらに、その
変成処理ガスを選択酸化処理部にて変成処理ガス中の一
酸化炭素を選択酸化することにより選択酸化処理して、
一酸化炭素濃度の低い（例えば１０ｐｐｍ以下）水素リ
ッチな水素含有ガスを生成するものであり、生成水素含
有ガスは、例えば、燃料電池における発電反応用の燃料
ガスとして用いる。2. Description of the Related Art Such a hydrogen-containing gas generator includes a hydrocarbon-based raw fuel gas, which has been desulfurized in a desulfurization section, and which contains hydrogen gas and carbon monoxide gas in a reforming section with steam. Gas is reformed, and the reformed gas is transformed in the shift treatment section by transforming carbon monoxide gas in the reformed gas into carbon dioxide gas, and further the shift treated gas is selectively oxidized. In the treatment section, selective oxidation treatment is performed by selectively oxidizing carbon monoxide in the shift treatment gas,
It produces a hydrogen-containing gas rich in hydrogen with a low carbon monoxide concentration (for example, 10 ppm or less), and the produced hydrogen-containing gas is used, for example, as a fuel gas for a power generation reaction in a fuel cell.
【０００３】そして、かかる水素含有ガス生成装置の運
転中は、脱硫処理部と改質処理部と変成処理部と選択酸
化処理部をそれぞれ、脱硫処理に適正な温度、改質処理
に適正な温度、変成処理に適正な温度、選択酸化処理に
適正な温度に維持する必要がある。ちなみに、改質処理
に適正な温度は例えば６００〜７００°Ｃの範囲、脱硫
処理に適正な温度は例えば１５０〜３００°Ｃの範囲、
変成処理に適正な温度は例えば１５０〜３００°Ｃの範
囲、選択酸化処理に適正な温度は８０〜１２０°Ｃであ
る。During operation of the hydrogen-containing gas generator, the desulfurization treatment section, the reforming treatment section, the shift conversion treatment section, and the selective oxidation treatment section are respectively provided with an appropriate temperature for desulfurization treatment and an appropriate temperature for reforming treatment. It is necessary to maintain the proper temperature for the transformation treatment and the proper temperature for the selective oxidation treatment. By the way, the proper temperature for the reforming treatment is, for example, in the range of 600 to 700 ° C, and the proper temperature for the desulfurization treatment is, for example, the range of 150 to 300 ° C,
A suitable temperature for the transformation treatment is, for example, in the range of 150 to 300 ° C, and a suitable temperature for the selective oxidation treatment is 80 to 120 ° C.
【０００４】そこで、従来の水素含有ガス生成装置に
は、燃焼器等で構成された改質処理部加熱手段の加熱能
力を調整して、改質処理部における改質処理温度を、所
定の改質処理温度設定値以上に維持する改質処理部温度
維持手段を備え、改質処理部の温度設定値以下の温度低
下を防止して、少なくとも改質処理部を上記適正な温度
に維持することができる。さらに、変成処理部又は脱硫
処理部等に電気ヒータ等の加熱手段を設け、変成処理温
度を所定の変成処理温度設定値以上に維持する改質処理
部温度維持手段や、脱硫処理部における脱硫処理温度を
所定の脱硫処理温度設定値以上に維持する脱硫処理部温
度維持手段とを設ける場合においても、各処理部の温度
設定値以下の温度低下を防止して、各処理部を上記適正
な温度に維持することができる。Therefore, in the conventional hydrogen-containing gas generator, the heating capacity of the heating means of the reforming section composed of a combustor or the like is adjusted so that the reforming temperature in the reforming section is adjusted to a predetermined value. Quality control temperature maintaining means for maintaining the quality treatment temperature above the set value is provided to prevent a temperature drop below the temperature setting value of the reforming section and maintain at least the above-mentioned proper temperature. You can Further, a heating means such as an electric heater is provided in the shift conversion section or the desulfurization section, and the temperature of the reforming section for maintaining the shift processing temperature at a predetermined set value of the shift processing temperature or desulfurization processing in the desulfurization section. Even when a desulfurization treatment section temperature maintaining means for maintaining the temperature at or above a predetermined desulfurization treatment temperature setting value is provided, the temperature drop below the temperature setting value of each treatment section is prevented, and each treatment section is kept at the appropriate temperature. Can be maintained at.
【０００５】[0005]
【発明が解決しようとする課題】上記のような所定の改
質処理部温度設定値、変成処理部温度設定値、及び脱硫
処理温度設定値は、その水素含有ガス生成装置を最大処
理負荷で運転した場合、即ち、水素含有ガスをもっとも
多く生成した場合における適切な温度値である。そし
て、夫々の処理部の温度を処理負荷の大小に関係なく一
定の上記温度設定値以上に維持しようとすると、処理負
荷を小さくするほど、夫々の加熱手段における入熱量に
対する放熱量の割合が大きくなるため、小処理負荷時
は、高処理負荷時に比べて熱効率が低下することとな
り、改善が望まれていた。The predetermined reforming treatment part temperature setting value, shift conversion treatment part temperature setting value, and desulfurization treatment temperature setting value as described above operate the hydrogen-containing gas generator at the maximum treatment load. When it does, that is, when it produces most hydrogen-containing gas, it is an appropriate temperature value. Then, if the temperature of each processing unit is to be maintained above the constant temperature set value regardless of the size of the processing load, the smaller the processing load is, the larger the ratio of the amount of heat radiation to the amount of heat input in each heating means is. Therefore, when the processing load is small, the thermal efficiency is lower than when the processing load is high, and improvement is desired.
【０００６】本発明は、かかる実情に鑑みてなされたも
のであり、その目的は、簡単な構成で、処理負荷を変動
させても、高い熱効率を維持することができる水素含有
ガス生成装置の運転方法を提供することにある。The present invention has been made in view of the above circumstances, and an object thereof is to operate a hydrogen-containing gas generator which has a simple structure and can maintain high thermal efficiency even when the processing load is changed. To provide a method.
【０００７】[0007]
【課題を解決するための手段】〔構成１〕本発明に係る
水素含有ガス生成装置の運転方法は、請求項１に記載し
たごとく、前記水素含有ガス生成装置の処理負荷の低下
に伴って、前記改質処理温度設定値が低下するように、
前記処理負荷に基づいて前記改質処理温度設定値を調整
することを特徴とする。また、本構成の水素含有ガス生
成装置を実行するための本発明に係る水素含有ガス生成
装置は、請求項４に記載したごとく、処理負荷の低下に
伴って、前記改質処理温度設定値が低下するように、前
記処理負荷に基づいて前記改質処理温度設定値を調整す
る温度設定値調整手段を備えたことを特徴とする。[Structure 1] A method for operating a hydrogen-containing gas generator according to the present invention is, as described in claim 1, as the processing load of the hydrogen-containing gas generator decreases. As the reforming temperature set value decreases,
It is characterized in that the reforming processing temperature set value is adjusted based on the processing load. Further, in the hydrogen-containing gas generator according to the present invention for executing the hydrogen-containing gas generator of the present configuration, as described in claim 4, the reforming treatment temperature set value is set to be lower as the treatment load decreases. It is characterized by further comprising temperature setting value adjusting means for adjusting the reforming processing temperature setting value based on the processing load so as to decrease.
【０００８】〔作用効果〕即ち、水素含有ガス生成装置
は、小処理負荷時においては、改質処理部におけるガス
空塔速度（処理触媒の体積に対する処理対象ガス量の割
合）が小さくなることにより、改質処理部における触媒
の処理性能は、処理温度が同じである大処理負荷時より
も高くなる。したがって、小処理負荷時における改質処
理部の温度設定値を、大処理負荷時の温度設定値よりも
小さくしても、夫々の処理負荷時における触媒の処理性
能を同等に維持することができる。そこで、本構成の水
素含有ガス生成装置の運転方法によれば、水素含有ガス
生成装置の処理負荷（水素含有ガス生成装置における原
燃料ガスの消費量、又は水素含有ガスの生成量として検
出することができる。）が小さいときの改質処理温度設
定値を、処理負荷が大きいときのそれらよりも小さく設
定することで、水素含有ガスの生成量に関わる改質処理
部の改質処理性能を低下させることなく、小処理負荷時
における改質処理部加熱手段の入熱量を小さくして、小
処理負荷時における熱効率を向上することができる。[Operation and Effect] That is, in the hydrogen-containing gas generator, the gas superficial velocity (ratio of the amount of gas to be treated with respect to the volume of the treated catalyst) in the reforming treatment unit becomes small when the treatment load is small. The processing performance of the catalyst in the reforming processing unit is higher than that under a large processing load at the same processing temperature. Therefore, even if the temperature setting value of the reforming processing unit under a small processing load is smaller than the temperature setting value under a large processing load, the processing performance of the catalyst under each processing load can be maintained equal. . Therefore, according to the operation method of the hydrogen-containing gas generation device of this configuration, the processing load of the hydrogen-containing gas generation device (detection as the consumption amount of the raw fuel gas in the hydrogen-containing gas generation device or the generation amount of the hydrogen-containing gas is detected. When the processing load is large, the reforming processing temperature set value is set to be smaller than those when the processing load is large, thereby lowering the reforming processing performance of the reforming processing unit related to the amount of hydrogen-containing gas produced. Without doing so, it is possible to reduce the heat input amount of the reforming processing unit heating means under a small processing load and improve the thermal efficiency under a small processing load.
【０００９】〔構成２〕本発明に係る水素含有ガス生成
装置の運転方法は、請求項２に記載したごとく、上記構
成１の水素含有ガス生成装置の運転方法の構成に加え
て、前記水素含有ガス生成装置が、変成処理部加熱手段
により加熱され、前記改質処理部から供給された前記改
質処理ガスを前記改質処理ガス中の一酸化炭素を二酸化
炭素に変成させる変成処理を行なう変成処理部と、前記
変成処理部加熱手段の加熱能力を調整して、前記変成処
理部における変成処理温度を、変成処理温度設定値以上
に維持する改質処理部温度維持手段とを備えて構成さ
れ、前記水素含有ガス生成装置の処理負荷の低下に伴っ
て、前記変成処理温度設定値が低下するように、前記処
理負荷に基づいて前記変成処理温度設定値とを調整する
ことを特徴とする。また、本構成の水素含有ガス生成装
置を実行するための本発明に係る水素含有ガス生成装置
は、請求項５に記載したごとく、上記構成１の水素含有
ガス生成装置の構成に加えて、変成処理部加熱手段によ
り加熱され、前記改質処理部から供給された前記改質処
理ガスを前記改質処理ガス中の一酸化炭素を二酸化炭素
に変成させる変成処理を行なう変成処理部と、前記変成
処理部加熱手段の加熱能力を調整して、前記変成処理部
における変成処理温度を、変成処理温度設定値以上に維
持する変成処理部温度維持手段とを備えて構成され、前
記温度設定値調整手段が、処理負荷の低下に伴って、前
記変成処理温度設定値が低下するように、前記処理負荷
に基づいて前記変成処理温度設定値とを調整するように
構成されていることを特徴とする。[Structure 2] A method for operating a hydrogen-containing gas generator according to the present invention is the same as the structure for the method for operating a hydrogen-containing gas generator according to Structure 1, as described in claim 2, The gas generator is heated by the shift processing unit heating means, and performs shift processing for transforming the reforming gas supplied from the reforming unit into carbon dioxide from carbon monoxide in the reforming gas. And a reforming treatment section temperature maintaining means for adjusting the heating capacity of the transformation treatment section heating means to maintain the transformation treatment temperature in the transformation treatment section at a transformation treatment temperature set value or more. The shift treatment temperature set value is adjusted based on the treatment load so that the shift treatment temperature set value is lowered as the treatment load of the hydrogen-containing gas generation apparatus is lowered. A hydrogen-containing gas generator according to the present invention for carrying out the hydrogen-containing gas generator of the present configuration has, in addition to the configuration of the hydrogen-containing gas generator of the above-described configuration 1, as described in claim 5. A conversion treatment unit that is heated by a treatment unit heating unit and performs a transformation process that transforms the reforming treatment gas supplied from the reforming treatment unit into carbon monoxide in the reforming treatment gas into carbon dioxide; The temperature setting value adjusting means is configured by adjusting the heating capacity of the processing part heating means to maintain the shift processing temperature in the shift processing part at a shift processing temperature set value or higher. However, the shift processing temperature set value is adjusted based on the processing load so that the shift processing temperature set value is lowered as the processing load is lowered.
【００１０】〔作用効果〕即ち、水素含有ガス処理生成
装置において、変成処理部温度維持手段により、変成処
理部の温度を、変成処理部に設けられた変成処理部加熱
手段の加熱能力を調整して、変成処理温度設定値以上に
維持する場合には、その変成処理温度設定値において
も、上記改質処理温度設定値と同様に、水素含有ガス生
成装置の処理負荷が小さいときの値を、処理負荷が大き
いときの値よりも小さく設定することで、燃料電池の燃
料極を被毒する水素含有ガス内の一酸化炭素量に関わる
変成処理部の変成処理性能を低下させることなく、小処
理負荷時における変成処理部加熱手段の入熱量を小さく
して、小処理負荷時における熱効率を向上することがで
きる。[Operation and Effect] That is, in the hydrogen-containing gas treatment / generation apparatus, the temperature of the shift treatment section is adjusted by the shift treatment section temperature maintaining means to adjust the heating capacity of the shift treatment section heating means provided in the shift treatment section. In the case of maintaining the metamorphic treatment temperature set value or more, even in the metamorphic treatment temperature set value, similar to the reforming treatment temperature set value, the value when the processing load of the hydrogen-containing gas generator is small, By setting the value smaller than the value when the processing load is large, small processing can be performed without degrading the conversion processing performance of the conversion processing section related to the amount of carbon monoxide in the hydrogen-containing gas that poisons the fuel electrode of the fuel cell. It is possible to reduce the heat input amount of the transformation processing unit heating means at the time of load and improve the thermal efficiency at the time of small processing load.
【００１１】〔構成３〕本発明に係る水素含有ガス生成
装置の運転方法は、請求項３に記載したごとく、上記構
成１又は２の水素含有ガス生成装置の運転方法の構成に
加えて、前記水素含有ガス生成装置が、前記脱硫処理部
加熱手段により加熱され、前記改質処理部に供給される
原燃料ガスの脱硫する処理を行なう脱硫処理部と、前記
脱硫処理部加熱手段の加熱能力を調整して、前記脱硫処
理部における脱硫処理温度を、脱硫処理温度設定値以上
に維持する脱硫処理部温度維持手段とを備えて構成さ
れ、前記水素含有ガス生成装置の処理負荷の低下に伴っ
て、前記脱硫処理温度設定値が低下するように、前記処
理負荷に基づいて前記脱硫処理温度設定値を調整するこ
とを特徴とする。また、本構成の水素含有ガス生成装置
を実行するための本発明に係る水素含有ガス生成装置
は、請求項６に記載したごとく、上記構成１又は２の水
素含有ガス生成装置の構成に加えて、前記脱硫処理部加
熱手段により加熱され、前記改質処理部に供給される原
燃料ガスの脱硫する処理を行なう脱硫処理部と、前記脱
硫処理部加熱手段の加熱能力を調整して、前記脱硫処理
部における脱硫処理温度を、脱硫処理温度設定値以上に
維持する脱硫処理部温度維持手段とを備えて構成され、
前記温度設定値調整手段が、前記処理負荷の低下に伴っ
て、前記脱硫処理温度設定値が低下するように、前記処
理負荷に基づいて前記脱硫処理温度設定値を調整するよ
うに構成されていることを特徴とする。[Structure 3] The operation method of the hydrogen-containing gas generator according to the present invention is, in addition to the structure of the operation method of the hydrogen-containing gas generator of Structure 1 or 2, as described in claim 3, The hydrogen-containing gas generator is heated by the desulfurization treatment section heating means, and a desulfurization treatment section for performing a desulfurization treatment of the raw fuel gas supplied to the reforming treatment section, and a heating capacity of the desulfurization treatment section heating means. Adjusting, the desulfurization treatment temperature in the desulfurization treatment unit, configured to include a desulfurization treatment unit temperature maintaining means for maintaining the desulfurization treatment temperature set value or more, with the reduction of the processing load of the hydrogen-containing gas generator The desulfurization treatment temperature set value is adjusted based on the treatment load so that the desulfurization treatment temperature set value is lowered. Further, a hydrogen-containing gas generating apparatus according to the present invention for executing the hydrogen-containing gas generating apparatus of the present configuration has, in addition to the configuration of the hydrogen-containing gas generating apparatus of the above configuration 1 or 2, as described in claim 6. A desulfurization treatment unit that performs desulfurization treatment of the raw fuel gas that is heated by the desulfurization treatment unit heating means and that is supplied to the reforming treatment unit; The desulfurization treatment temperature in the treatment section is configured with a desulfurization treatment section temperature maintaining means for maintaining the desulfurization treatment temperature set value or more,
The temperature set value adjustment means is configured to adjust the desulfurization treatment temperature set value based on the treatment load so that the desulfurization treatment temperature set value is reduced with a decrease in the treatment load. It is characterized by
【００１２】〔作用効果〕即ち、改質処理部に供給する
炭化水素系の原燃料ガスとして都市ガス１３Ａ等を用い
る場合には、その原燃料ガスの脱硫処理を行なうべく、
脱硫処理部を設け、その脱硫処理部における脱硫処理温
度を、所定の脱硫処理温度設定値以上に維持する必要が
有るが、その脱硫処理温度設定値においても、上記改質
処理温度設定値及び変成処理温度設定値と同様に、水素
含有ガス生成装置の処理負荷が小さいときの値を、処理
負荷が大きいときの値よりも小さく設定することで、改
質処理部の触媒を被毒する原燃料ガス内の硫黄分量に関
わる脱硫処理部の脱硫処理性能を低下させることなく、
小処理負荷時における脱硫処理部加熱手段の入熱量を小
さくして、小処理負荷時における熱効率を向上すること
ができる。[Effects] That is, when city gas 13A or the like is used as the hydrocarbon-based raw fuel gas to be supplied to the reforming processing section, the desulfurization treatment of the raw fuel gas should be performed.
It is necessary to provide a desulfurization treatment section and maintain the desulfurization treatment temperature in the desulfurization treatment section at a predetermined desulfurization treatment temperature set value or higher. Similar to the processing temperature set value, by setting the value when the processing load of the hydrogen-containing gas generation device is small to be smaller than the value when the processing load is large, the raw fuel that poisons the catalyst of the reforming processing part is set. Without degrading the desulfurization performance of the desulfurization section related to the amount of sulfur in the gas,
It is possible to reduce the heat input amount of the desulfurization treatment section heating means at the time of a small processing load and improve the thermal efficiency at the time of a small processing load.
【００１３】〔構成４〕本発明に係る水素含有ガス生成
装置は、請求項７に記載したごとく、上記構成１から３
の何れかの水素含有ガス生成装置の構成に加えて、前記
改質処理部加熱手段が、燃料を燃焼させて前記改質処理
部を加熱自在な燃焼器で構成され、前記燃焼器から排出
される燃焼排ガスとの熱交換により前記改質処理部に供
給する水蒸気を生成する水蒸気生成部を備えたことを特
徴とする。[Structure 4] The hydrogen-containing gas generator according to the present invention has the structures 1 to 3 as described in claim 7.
In addition to the configuration of any one of the hydrogen-containing gas generators, the reforming treatment section heating means is composed of a combustor capable of heating the reforming treatment section by burning fuel, and is discharged from the combustor. It is characterized by comprising a steam generator for generating steam to be supplied to the reforming section by heat exchange with combustion exhaust gas.
【００１４】〔作用効果〕本構成のごとく、改質処理部
加熱手段を燃料を燃焼させる燃焼器で構成し、水蒸気生
成部にて、供給される水を燃焼式の改質処理部加熱手段
から排出される燃焼排ガスにて加熱して、改質処理部に
おける改質処理用の水蒸気を生成するので、余分なエネ
ルギを消費することなく、改質処理用の水蒸気を生成す
ることができ、一層の熱効率の向上を図ることができ
る。[Operation and Effect] As in the present configuration, the reforming treatment unit heating means is composed of a combustor for burning fuel, and the water supplied from the combustion type reforming treatment unit heating means is used in the steam generation unit. Since it is heated by the exhausted combustion exhaust gas to generate the steam for the reforming treatment in the reforming processing part, it is possible to generate the steam for the reforming treatment without consuming extra energy. The thermal efficiency of can be improved.
【００１５】[0015]
【発明の実施の形態】以下、図面に基づいて、本発明を
燃料電池用の水素含有ガス生成装置に適用した場合の実
施の形態を説明する。図１に示すように、水素含有ガス
生成装置Ｐは、供給される天然ガス等の炭化水素系の原
燃料ガスを脱硫処理する脱硫処理部１と、供給される原
料水を加熱して水蒸気を生成する水蒸気生成部Ｓと、燃
焼式の改質処理部加熱手段としての燃焼部４にて加熱さ
れて、脱硫処理部１から供給される脱硫原燃料ガスを水
蒸気生成部Ｓで生成された水蒸気を用いて水素ガスと一
酸化炭素ガスを含むガスに改質処理する改質処理部３
と、改質処理部３から供給される改質処理ガス中の一酸
化炭素ガスを水蒸気を用いて二酸化炭素ガスに変成させ
ることにより変成処理する変成処理部５と、その変成処
理部５から供給される変成処理ガス中の一酸化炭素ガス
を選択酸化することにより選択酸化処理する選択酸化処
理部６と、水素含有ガス生成装置の運転を制御する制御
部Ｃを備えて構成して、一酸化炭素ガス濃度の低い（例
えば１０ｐｐｍ以下）水素リッチな水素含有ガスを生成
するように構成してある。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention applied to a hydrogen-containing gas generator for a fuel cell will be described below with reference to the drawings. As shown in FIG. 1, the hydrogen-containing gas generation apparatus P includes a desulfurization processing unit 1 that desulfurizes a hydrocarbon-based raw fuel gas such as a natural gas that is supplied, and a raw material water that is supplied to heat the supplied raw water to generate steam. The steam generated in the steam generating section S is the desulfurization raw fuel gas supplied from the desulfurization processing section 1 after being heated in the steam generating section S to be generated and the combustion section 4 as the combustion type reforming processing section heating means. Reforming unit 3 for reforming gas containing hydrogen gas and carbon monoxide gas by using
And a transformation processing unit 5 for transforming the carbon monoxide gas in the reforming treatment gas supplied from the reforming treatment unit 3 into carbon dioxide gas using steam, and the transformation treatment unit 5 And a control unit C for controlling the operation of the hydrogen-containing gas generation apparatus. The selective oxidation treatment unit 6 performs selective oxidation treatment by selectively oxidizing carbon monoxide gas in the shift treatment gas. It is configured to generate a hydrogen-containing gas that is rich in hydrogen and has a low carbon gas concentration (for example, 10 ppm or less).
【００１６】脱硫処理部１においては、例えば１５０〜
３００°Ｃの範囲の脱硫処理温度で、脱硫触媒にて原燃
料ガス中の硫黄化合物が水素化され、その水素化物が酸
化亜鉛に吸着されて脱硫される。ちなみに、脱硫処理部
１における脱硫反応は発熱反応である。脱硫処理部１に
は、ニッケル−モリブデン系、クロム−モリブデン系な
どの水素化脱硫触媒の粒状成型体の多数が充填されてい
る。In the desulfurization treatment section 1, for example, 150 to
At a desulfurization treatment temperature in the range of 300 ° C., the sulfur compound in the raw fuel gas is hydrogenated by the desulfurization catalyst, and the hydride is adsorbed by zinc oxide and desulfurized. By the way, the desulfurization reaction in the desulfurization treatment section 1 is an exothermic reaction. The desulfurization treatment section 1 is filled with a large number of granular molded bodies of a hydrodesulfurization catalyst such as a nickel-molybdenum system and a chromium-molybdenum system.
【００１７】改質処理部３においては、メタンガスを主
成分とする天然ガスが原燃料ガスである場合は、ルテニ
ウム、ニッケル、白金等の改質触媒の触媒作用により、
例えば６００〜７００°Ｃの範囲の改質処理温度の下
で、メタンガスと水蒸気とが下記の反応式［化１］にて
改質反応して、水素ガスと一酸化炭素ガスを含むガスに
改質処理される。ちなみに、改質処理部３における改質
反応は吸熱反応である。また、上記改質用触媒は、セラ
ミック製の多孔質粒状体に保持され、改質処理部３に
は、その多孔質粒状体の多数が充填されている。In the reforming processing unit 3, when the natural gas containing methane gas as a main component is the raw fuel gas, the catalytic action of the reforming catalyst such as ruthenium, nickel, platinum, etc.
For example, under a reforming treatment temperature in the range of 600 to 700 ° C., methane gas and steam undergo a reforming reaction according to the following reaction formula [Chemical formula 1] to convert into a gas containing hydrogen gas and carbon monoxide gas. The quality is processed. By the way, the reforming reaction in the reforming processing section 3 is an endothermic reaction. Further, the reforming catalyst is held in a porous granular body made of ceramic, and the reforming treatment section 3 is filled with a large number of the porous granular bodies.
【００１８】[0018]
【化１】ＣＨ4＋Ｈ2Ｏ→ＣＯ＋３Ｈ2 [Chemical formula 1] CH 4 + H 2 O → CO + 3H 2
【００１９】変成処理部５においては、改質処理ガス中
の一酸化炭素ガスと水蒸気とが、酸化鉄又は銅亜鉛の変
成触媒の触媒作用により、例えば１５０〜３００°Ｃの
範囲の変成処理温度の下で、下記の反応式［化２］にて
変成反応して、一酸化炭素ガスが二酸化炭素ガスに変成
処理される。ちなみに、変成処理部５における変成反応
は発熱反応である。変成処理部５には、粒状成型体の多
数が充填されている。In the shift treatment section 5, the carbon monoxide gas and the steam in the reforming treatment gas are subjected to the shift action temperature in the range of 150 to 300 ° C. by the catalytic action of the shift catalyst of iron oxide or copper zinc. Under the conditions, the carbon monoxide gas is converted into carbon dioxide gas by a conversion reaction according to the following reaction formula [Chemical formula 2]. By the way, the shift reaction in the shift processing unit 5 is an exothermic reaction. The transformation processing section 5 is filled with a large number of granular molded bodies.
【００２０】[0020]
【化２】ＣＯ＋Ｈ2Ｏ→ＣＯ2＋Ｈ2 [Chemical formula 2] CO + H 2 O → CO 2 + H 2
【００２１】選択酸化処理部６においては、白金、ルテ
ニウム、ロジウム等の貴金属系の選択酸化触媒の触媒作
用によって、例えば８０〜１２０°Ｃの範囲の選択酸化
処理温度の下で、変成処理ガス中に残っている一酸化炭
素ガスが選択酸化される。ちなみに、選択酸化処理部６
における酸化反応は発熱反応である。また、上記選択酸
化用触媒は、セラミック製の多孔質粒状体に保持され、
選択酸化処理部６には、その多孔質粒状体の多数が充填
されている。In the selective oxidation treatment section 6, the catalytic treatment of the noble metal selective oxidation catalyst such as platinum, ruthenium, rhodium, etc., in the shift treatment gas under the selective oxidation treatment temperature in the range of 80 to 120 ° C. The remaining carbon monoxide gas is selectively oxidized. By the way, the selective oxidation treatment unit 6
The oxidation reaction in is an exothermic reaction. Also, the selective oxidation catalyst is retained in a porous granular body made of ceramic,
The selective oxidation treatment section 6 is filled with a large number of the porous particles.
【００２２】そして、水素含有ガス生成装置にて生成さ
れた水素含有ガスは燃料ガスとして、燃料電池Ｇに供給
される。燃料電池Ｇは、詳細な説明は省略するが、高分
子膜を電解質とする固体高分子型であり、水素含有ガス
生成装置Ｐから供給される燃料ガス中の水素と、ブロア
（図示せず）から供給される反応用空気中の酸素との電
気化学反応により発電するように構成してある。The hydrogen-containing gas generated by the hydrogen-containing gas generator is supplied to the fuel cell G as a fuel gas. Although detailed description is omitted, the fuel cell G is a solid polymer type having a polymer membrane as an electrolyte, and hydrogen in the fuel gas supplied from the hydrogen-containing gas generator P and a blower (not shown). It is configured to generate electricity by an electrochemical reaction with oxygen in the reaction air supplied from.
【００２３】燃焼部４は、燃料電池Ｇから排出された燃
料ガスであるオフガスをガス燃料として燃焼させると共
に、改質処理部３を改質処理可能なように加熱するに当
たって、オフガスだけでは不足する分を都市ガス（１３
Ａ等）で補う。The combustor 4 burns off-gas, which is the fuel gas discharged from the fuel cell G, as a gas fuel, and heats the reforming processor 3 so that it can be reformed. Minutes to city gas (13
A etc.).
【００２４】水蒸気生成部Ｓは、燃焼部４から排出され
た燃焼排ガスにより水を加熱して、水蒸気を生成するよ
うに構成してある。The steam generator S is configured to heat the water with the combustion exhaust gas discharged from the combustor 4 to generate steam.
【００２５】更に、水素含有ガス生成装置Ｐには、脱硫
処理部１からの脱硫原燃料ガスと改質処理部３からの高
温の改質処理ガスとを熱交換させて、改質処理部３に供
給される脱硫原燃料ガスを予熱する脱硫原燃料ガス用熱
交換器Ｅｐと、改質処理部３からの高温の改質処理ガス
と脱硫処理部１に供給される原燃料ガスを熱交換させて
原燃料ガスを予熱する原燃料ガス用熱交換器Ｅａとを設
けてある。又、変成処理部５から排出された変成処理ガ
スと、水蒸気生成部Ｓへ供給する原料水とを熱交換させ
て、原料水を予熱する原料水予熱用熱交換器１７を設け
てある。Further, in the hydrogen-containing gas generator P, the desulfurization raw fuel gas from the desulfurization treatment section 1 and the high-temperature reforming treatment gas from the reforming treatment section 3 are heat-exchanged, and the reforming treatment section 3 is carried out. To the desulfurization raw fuel gas heat exchanger Ep that preheats the desulfurization raw fuel gas supplied to the fuel cell, and the high temperature reforming treatment gas from the reforming treatment unit 3 and the raw fuel gas supplied to the desulfurization treatment unit 1 A heat exchanger for raw fuel gas Ea for preheating the raw fuel gas is provided. A heat exchanger 17 for preheating raw material water is provided to preheat the raw material water by exchanging heat with the raw material water supplied to the steam generating section S and the metamorphic processing gas discharged from the metamorphic processing section 5.
【００２６】起動時に、脱硫処理部１を脱硫処理可能な
ように加熱する脱硫処理部用ヒータ３２、変成処理部を
変成処理可能なように加熱する２個の変成処理部用ヒー
タ３３を設けてあり、それらヒータ３２，３３は電気ヒ
ータから成る。At the time of start-up, a desulfurization treatment section heater 32 for heating the desulfurization treatment section 1 so that it can be desulfurized, and two transformation treatment section heaters 33 for heating the transformation processing section so that they can be subjected to transformation processing are provided. The heaters 32 and 33 are electric heaters.
【００２７】更に、脱硫処理部１の温度を検出する脱硫
処理温度センサＴ１、改質処理部３の温度を検出する改
質処理温度センサＴ３、及び、選択酸化処理部６の温度
を検出する選択酸化処理温度センサＴ５を設けてある。Further, a desulfurization treatment temperature sensor T1 for detecting the temperature of the desulfurization treatment unit 1, a reforming treatment temperature sensor T3 for detecting the temperature of the reforming treatment unit 3, and a selection for detecting the temperature of the selective oxidation treatment unit 6 are selected. An oxidation treatment temperature sensor T5 is provided.
【００２８】そして、制御部Ｃには、脱硫処理温度セン
サＴ１により検出される脱硫処理温度を上記の適正な温
度に維持するように脱硫処理部用ヒータ３２の加熱能力
を調整する改質処理部温度維持手段Ｃ１と、変成処理温
度センサＴ５により検出される変成処理温度を上記の適
正な温度に維持するように変成処理部用ヒータ３３の加
熱能力を調整する変成処理温度維持手段Ｃ５と、さら
に、改質処理温度センサＴ３により検出される改質処理
温度を上記の適正な温度に維持するように燃焼部４の加
熱能力を調整する改質処理温度維持手段Ｃ３とが設けら
れている。Then, the control section C includes a reforming processing section for adjusting the heating ability of the desulfurization processing heater 32 so as to maintain the desulfurization processing temperature detected by the desulfurization processing temperature sensor T1 at the above-mentioned appropriate temperature. A temperature maintaining unit C1, a conversion processing temperature maintaining unit C5 for adjusting the heating capacity of the conversion processing unit heater 33 so as to maintain the conversion processing temperature detected by the conversion processing temperature sensor T5 at the appropriate temperature, and A reforming temperature maintaining means C3 for adjusting the heating capacity of the combustion section 4 so as to maintain the reforming temperature detected by the reforming temperature sensor T3 at the above-mentioned appropriate temperature is provided.
【００２９】詳しくは、脱硫処理温度維持手段Ｃ１は、
脱硫処理温度センサＴ１で検出される脱硫処理温度が１
５０℃（脱硫処理温度設定値の一例）より低くなると脱
硫処理部用ヒータ３２により脱硫処理部１を加熱して、
上記脱硫処理温度を１５０℃以上に維持する。More specifically, the desulfurization treatment temperature maintaining means C1 is
The desulfurization treatment temperature detected by the desulfurization treatment temperature sensor T1 is 1
When the temperature becomes lower than 50 ° C. (an example of the desulfurization treatment temperature set value), the desulfurization treatment unit 1 is heated by the desulfurization treatment unit heater 32,
The desulfurization treatment temperature is maintained at 150 ° C or higher.
【００３０】同じく、変成処理温度維持手段Ｃ５も、変
成処理温度センサＴ５で検出される変成処理温度が１５
０℃（変成処理温度設定値の一例）より低くなると変成
処理部用ヒータ３３により変成処理部５を加熱して、上
記変成処理温度を１５０℃以上に維持する。Similarly, in the shift treatment temperature maintaining means C5, the shift treatment temperature detected by the shift treatment temperature sensor T5 is 15
When it becomes lower than 0 ° C. (an example of the set value of the shift treatment temperature), the shift treatment unit 5 is heated by the shift treatment heater 33 to maintain the shift treatment temperature at 150 ° C. or higher.
【００３１】また、改質処理温度維持手段Ｃ３も、改質
処理温度センサＴ３で検出される改質処理温度が６５０
℃（改質処理温度設定値の一例）より低くなると、調整
弁４１の開度を調整して燃焼器４に供給する燃料量を増
加させて、上記改質処理温度を６５０℃以上に維持す
る。The reforming temperature maintaining means C3 also has a reforming temperature of 650 detected by the reforming temperature sensor T3.
When the temperature becomes lower than ℃ (an example of the reforming treatment temperature set value), the opening of the regulating valve 41 is adjusted to increase the amount of fuel supplied to the combustor 4 to maintain the reforming treatment temperature above 650 ° C. .
【００３２】さらに、制御部Ｃは、燃料電池Ｇの制御部
等から入力された必要な水素含有ガスの生成量等に関す
る負荷信号に基づいて、原燃料ガスの脱硫処理部１への
供給量等を調整して、水素含有ガス生成装置Ｐの処理負
荷を調整することができる。そして、水素含有ガス生成
装置Ｐの制御部Ｃには、その処理負荷調整に伴って、上
記の夫々の処理部における温度下限値である、少なくと
も改質処理温度設定値及び変成処理温度設定値、好まし
くはそれに加えて脱硫処理温度設定値を調整する温度設
定値調整手段Ｃ１０が設けられている。詳しくは、温度
設定値調整手段Ｃ１０は、図２に示すように、処理負荷
の低下に伴って各温度設定値が低下するように、各温度
設定値を例えば２段階で調整する。また、このように２
段階で各温度設定値を調整する代わりに、各温度設定値
を、３段階以上又は連続的に処理負荷の低下に伴って低
下するように調整しても構わない。Further, the control unit C, based on the load signal relating to the required production amount of the hydrogen-containing gas, etc., inputted from the control unit of the fuel cell G, etc., supplies the raw fuel gas to the desulfurization treatment unit 1, etc. Can be adjusted to adjust the processing load of the hydrogen-containing gas generator P. Then, the control unit C of the hydrogen-containing gas generator P has at least the reforming treatment temperature set value and the shift treatment temperature set value, which are the temperature lower limit values in the respective treatment units, in accordance with the adjustment of the treatment load. Preferably, in addition to that, temperature set value adjusting means C10 for adjusting the desulfurization treatment temperature set value is provided. Specifically, as shown in FIG. 2, the temperature setting value adjusting means C10 adjusts each temperature setting value in two stages, for example, so that each temperature setting value decreases as the processing load decreases. Also, like this 2
Instead of adjusting each temperature set value in stages, each temperature set value may be adjusted in three stages or more or continuously so as to decrease with a decrease in processing load.
【００３３】即ち、水素含有ガス生成装置Ｐは、処理負
荷が小さいときの各温度設定値を処理負荷が大きいとき
のそれらよりも小さく設定することで、少ない量のガス
を高効率に処理することができる小処理負荷時におい
て、燃焼器４への燃料の供給量、変成処理部用ヒータ３
３更には脱硫処理部用ヒータ３２の電力消費量を比較的
少なくすることができ、入熱量に対する放熱量の割合が
大きい小処理負荷時におけるが熱効率の向上を図ること
ができる。That is, the hydrogen-containing gas generator P is capable of processing a small amount of gas with high efficiency by setting each temperature set value when the processing load is small to be smaller than those when the processing load is large. The amount of fuel supplied to the combustor 4 and the shift processing heater 3 at a small processing load
3. Furthermore, the power consumption of the desulfurization treatment unit heater 32 can be made relatively small, and the thermal efficiency can be improved at the time of a small processing load in which the ratio of the heat radiation amount to the heat input amount is large.
【００３４】また、選択酸化処理部６は、適正な温度に
維持するように、冷却用ファン等により冷却されてい
る。The selective oxidation processing section 6 is cooled by a cooling fan or the like so as to maintain an appropriate temperature.
【００３５】また、改質処理部加熱手段の具体構成は、
上記の実施形態にて例示した如き燃焼式の改質処理部加
熱手段である燃焼部４に限定されるものではなく、例え
ば、電気ヒータにて構成しても良い。Further, the specific constitution of the heating means for the reforming treatment section is as follows.
The present invention is not limited to the combustion section 4 which is the combustion type reforming section heating means as exemplified in the above embodiment, and may be constituted by an electric heater, for example.
【００３６】また、上記実施の形態では、脱硫処理部１
や変成処理部５における処理温度を適正な温度に維持す
るべく、脱硫処理温度維持手段Ｃ１や変成処理温度維持
手段Ｃ５により、夫々の処理部１，５に設けられた電気
式のヒータ３２，３３の加熱能力を調整したが、別に、
ヒータ３２，３３の加熱能力を調整することなく、夫々
の処理部１，５を最も高温である改質処理部３からの伝
熱により加熱されて上記適正な温度となるように配置す
ることで、上記脱硫処理温度維持手段Ｃ１や変成処理部
温度維持手段Ｃ２を構成することができる。即ち、改質
処理部温度維持手段Ｃ３を、上記脱硫処理温度維持手段
Ｃ１や変成処理部温度維持手段Ｃ２として機能させるこ
とができる。また、この場合も、処理負荷が小さくなる
ほど、改質温度設定値を小さくすることで、脱硫処理部
１における脱硫処理温度設定値や、変成処理温度設定値
も、処理負荷が小さくなるほど小さくなる。Further, in the above embodiment, the desulfurization treatment section 1
The electric heaters 32 and 33 provided in the respective treatment units 1 and 5 are provided by the desulfurization treatment temperature maintaining unit C1 and the metamorphosis treatment temperature maintaining unit C5 in order to maintain the treatment temperature in the rectification treatment unit 5 at an appropriate temperature. I adjusted the heating capacity of
By arranging the respective processing units 1 and 5 so as to be heated by the heat transfer from the reforming processing unit 3 having the highest temperature to reach the appropriate temperature without adjusting the heating capacity of the heaters 32 and 33. The desulfurization treatment temperature maintaining means C1 and the shift conversion section temperature maintaining means C2 can be configured. That is, the reforming processing section temperature maintaining means C3 can function as the desulfurization processing temperature maintaining means C1 and the shift conversion processing section temperature maintaining means C2. Also in this case, the smaller the processing load is, the smaller the reforming temperature set value is, so that the desulfurization processing temperature set value and the shift conversion processing temperature set value in the desulfurization processing unit 1 are also smaller as the processing load is smaller.
【図１】 水素含有ガス生成装置の概略構成図FIG. 1 is a schematic configuration diagram of a hydrogen-containing gas generation device.
【図２】 処理負荷に対する温度設定値の状態を示すグ
ラフ図FIG. 2 is a graph showing the state of temperature setting values with respect to processing load.
１ 脱硫処理部 ３ 改質処理部 ４ 改質処理部加熱手段 ５ 変成処理部 ６ 選択酸化処理部 Ｃ 制御部 Ｃ１ 脱硫処理温度維持手段 Ｃ３ 改質処理温度維持手段 Ｃ５ 変成処理温度維持手段 Ｃ１０ 温度設定値調整手段 Ｓ 水蒸気生成部 Ｇ 燃料電池 1 Desulfurization unit 3 Modification processing section 4 Modification treatment section heating means 5 Metamorphic processing section 6 Selective oxidation treatment section C control unit C1 desulfurization temperature maintaining means C3 reforming temperature maintaining means C5 metamorphic treatment temperature maintenance means C10 Temperature setting value adjusting means S Steam generator G fuel cell
Claims (7)
化水素系の原燃料ガスを水蒸気にて水素と一酸化炭素を
含む改質処理ガスに改質させる改質処理を行なう改質処
理部と、 前記改質処理部加熱手段の加熱能力を調整して、前記改
質処理部における改質処理温度を、改質処理温度設定値
以上に維持する改質処理部温度維持手段とを備えた水素
含有ガス生成装置において、 前記水素含有ガス生成装置の処理負荷の低下に伴って、
前記改質処理温度設定値が低下するように、前記処理負
荷に基づいて前記改質処理温度設定値を調整する水素含
有ガス生成装置の運転方法。1. A reforming treatment unit for performing reforming treatment in which a hydrocarbon-based raw fuel gas heated by a reforming treatment unit is reformed by steam to a reforming treatment gas containing hydrogen and carbon monoxide. And a reforming treatment part temperature maintaining means for adjusting the heating capacity of the reforming treatment part heating means to maintain the reforming treatment temperature in the reforming treatment part at a reforming treatment temperature set value or higher. In the hydrogen-containing gas generator, with the reduction of the processing load of the hydrogen-containing gas generator,
A method for operating a hydrogen-containing gas generation device, wherein the reforming treatment temperature set value is adjusted based on the treatment load so that the reforming treatment temperature set value decreases.
部加熱手段により加熱され、前記改質処理部から供給さ
れた前記改質処理ガスを前記改質処理ガス中の一酸化炭
素を二酸化炭素に変成させる変成処理を行なう変成処理
部と、前記変成処理部加熱手段の加熱能力を調整して、
前記変成処理部における変成処理温度を、変成処理温度
設定値以上に維持する改質処理部温度維持手段とを備え
て構成され、 前記水素含有ガス生成装置の処理負荷の低下に伴って、
前記変成処理温度設定値が低下するように、前記処理負
荷に基づいて前記変成処理温度設定値を調整する請求項
１に記載の水素含有ガス生成装置の運転方法。2. The hydrogen-containing gas generator is heated by a shift treatment section heating means, and the reforming treatment gas supplied from the reforming treatment section is converted into carbon monoxide in the reforming treatment gas. By adjusting the heating capacity of the transformation processing section and the transformation processing section heating means for performing the transformation processing to
The conversion treatment temperature in the conversion treatment unit, configured to include a reforming treatment unit temperature maintaining means for maintaining the conversion treatment temperature set value or more, with the reduction of the processing load of the hydrogen-containing gas generator,
The operating method of the hydrogen-containing gas generator according to claim 1, wherein the shift treatment temperature set value is adjusted based on the treatment load so that the shift treatment temperature set value is lowered.
処理部加熱手段により加熱され、前記改質処理部に供給
される原燃料ガスの脱硫する処理を行なう脱硫処理部
と、前記脱硫処理部加熱手段の加熱能力を調整して、前
記脱硫処理部における脱硫処理温度を、脱硫処理温度設
定値以上に維持する脱硫処理部温度維持手段とを備えて
構成され、 前記水素含有ガス生成装置の処理負荷の低下に伴って、
前記脱硫処理温度設定値が低下するように、前記処理負
荷に基づいて前記脱硫処理温度設定値を調整する請求項
１又は２に記載の水素含有ガス生成装置の運転方法。3. A desulfurization treatment unit for performing desulfurization treatment of the raw fuel gas supplied to the reforming treatment unit by heating the hydrogen-containing gas generator by the desulfurization treatment unit heating means, and the desulfurization treatment unit. By adjusting the heating capacity of the heating means, the desulfurization treatment temperature in the desulfurization treatment portion is configured to include a desulfurization treatment portion temperature maintaining means for maintaining the desulfurization treatment temperature set value or higher, and the treatment of the hydrogen-containing gas generation device. As the load decreases,
The method for operating a hydrogen-containing gas generator according to claim 1, wherein the desulfurization treatment temperature set value is adjusted based on the treatment load so that the desulfurization treatment temperature set value is lowered.
化水素系の原燃料ガスを水蒸気にて水素と一酸化炭素を
含む改質処理ガスに改質させる改質処理を行なう改質処
理部と、 前記改質処理部加熱手段の加熱能力を調整して、前記改
質処理部における改質処理温度を、改質処理温度設定値
以上に維持する改質処理部温度維持手段とを備えた水素
含有ガス生成装置であって、 処理負荷の低下に伴って、前記改質処理温度設定値が低
下するように、前記処理負荷に基づいて前記改質処理温
度設定値を調整する温度設定値調整手段を備えた水素含
有ガス生成装置。4. A reforming processing unit that is heated by the reforming processing unit heating means and reforms a hydrocarbon-based raw fuel gas by steam to a reforming processing gas containing hydrogen and carbon monoxide. And a reforming treatment part temperature maintaining means for adjusting the heating capacity of the reforming treatment part heating means to maintain the reforming treatment temperature in the reforming treatment part at a reforming treatment temperature set value or higher. A hydrogen-containing gas generator, which adjusts the reforming treatment temperature set value based on the treatment load so that the reforming treatment temperature set value decreases as the treatment load decreases. A hydrogen-containing gas generator provided with a means.
記改質処理部から供給された前記改質処理ガスを前記改
質処理ガス中の一酸化炭素を二酸化炭素に変成させる変
成処理を行なう変成処理部と、 前記変成処理部加熱手段の加熱能力を調整して、前記変
成処理部における変成処理温度を、変成処理温度設定値
以上に維持する変成処理部温度維持手段とを備えて構成
され、 前記温度設定値調整手段が、処理負荷の低下に伴って、
前記変成処理温度設定値が低下するように、前記処理負
荷に基づいて前記変成処理温度設定値を調整するように
構成されている請求項４に記載の水素含有ガス生成装
置。5. A conversion treatment for converting the carbon monoxide in the reforming treatment gas supplied from the reforming treatment portion to carbon dioxide, which is heated by the transformation treatment portion heating means, to perform conversion treatment. A processing unit, the heating capacity of the shift processing unit heating means is adjusted, and the shift processing temperature in the shift processing unit is configured to include a shift processing temperature maintaining unit that maintains the shift processing temperature set value or higher, The temperature setting value adjusting means, as the processing load decreases,
The hydrogen-containing gas generator according to claim 4, which is configured to adjust the shift treatment temperature set value based on the treatment load so that the shift treatment temperature set value decreases.
れ、前記改質処理部に供給される原燃料ガスの脱硫する
処理を行なう脱硫処理部と、前記脱硫処理部加熱手段の
加熱能力を調整して、前記脱硫処理部における脱硫処理
温度を、脱硫処理温度設定値以上に維持する脱硫処理部
温度維持手段とを備えて構成され、 前記温度設定値調整手段が、前記処理負荷の低下に伴っ
て、前記脱硫処理温度設定値が低下するように、前記処
理負荷に基づいて前記脱硫処理温度設定値を調整するよ
うに構成されている請求項４又は５に記載の水素含有ガ
ス生成装置。6. A desulfurization processing unit for performing a desulfurization process of a raw fuel gas heated by the desulfurization processing unit heating means and supplied to the reforming processing unit, and a heating capacity of the desulfurization processing unit heating means is adjusted. The desulfurization treatment temperature in the desulfurization treatment unit is configured to include a desulfurization treatment unit temperature maintaining unit that maintains the desulfurization treatment temperature set value or higher, and the temperature set value adjustment unit is associated with a decrease in the processing load. The hydrogen-containing gas generator according to claim 4 or 5, which is configured to adjust the desulfurization treatment temperature set value based on the treatment load so that the desulfurization treatment temperature set value decreases.
させて前記改質処理部を加熱自在な燃焼器で構成され、 前記燃焼器から排出される燃焼排ガスとの熱交換により
前記改質処理部に供給する水蒸気を生成する水蒸気生成
部を備えた請求項４から６の何れか１項に記載の水素含
有ガス生成装置。7. The reforming treatment section heating means is composed of a combustor capable of heating the reforming treatment section by burning fuel, and the reforming treatment section heat-exchanges with combustion exhaust gas discharged from the combustor. The hydrogen-containing gas generation device according to claim 4, further comprising a steam generation unit that generates steam to be supplied to the quality treatment unit.
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|---|---|---|---|
| JP2001300019A JP4753506B2 (en) | 2001-09-28 | 2001-09-28 | Hydrogen-containing gas generator and method for operating the same |
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| JP2001300019A JP4753506B2 (en) | 2001-09-28 | 2001-09-28 | Hydrogen-containing gas generator and method for operating the same |
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| JP4753506B2 JP4753506B2 (en) | 2011-08-24 |
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Cited By (6)
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| JP2007112644A (en) * | 2005-10-18 | 2007-05-10 | Idemitsu Kosan Co Ltd | Co(carbon monoxide)-removal device, fuel reforming apparatus, and fuel cell system |
| JP2008078016A (en) * | 2006-09-22 | 2008-04-03 | Matsushita Electric Ind Co Ltd | Fuel cell system |
| JP2008156154A (en) * | 2006-12-22 | 2008-07-10 | Matsushita Electric Works Ltd | Method for operating hydrogen generating apparatus and hydrogen generating apparatus |
| JP2011006298A (en) * | 2009-06-26 | 2011-01-13 | Ihi Corp | Apparatus and method for reforming glycerin |
| EP2767506A4 (en) * | 2011-10-14 | 2015-07-15 | Panasonic Corp | Hydrogen producing device and control method therefor, and fuel cell system |
| EP2985259A4 (en) * | 2013-04-11 | 2016-04-13 | Panasonic Ip Man Co Ltd | Hydrogen generating device and fuel cell system provided with same |
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| Publication number | Publication date |
|---|---|
| JP4753506B2 (en) | 2011-08-24 |
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