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WO2022230120A1 - Système d'alimentation en hydrogène - Google Patents

Système d'alimentation en hydrogène Download PDF

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Publication number
WO2022230120A1
WO2022230120A1 PCT/JP2021/017023 JP2021017023W WO2022230120A1 WO 2022230120 A1 WO2022230120 A1 WO 2022230120A1 JP 2021017023 W JP2021017023 W JP 2021017023W WO 2022230120 A1 WO2022230120 A1 WO 2022230120A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
grid
hydrogen
unit
flow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/017023
Other languages
English (en)
Japanese (ja)
Inventor
良平 稲垣
秀宏 飯塚
祐子 可児
崇 佐々木
貴彰 水上
直行 石田
晋士 藤田
亜由美 渡部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2023516962A priority Critical patent/JP7621468B2/ja
Priority to PCT/JP2021/017023 priority patent/WO2022230120A1/fr
Priority to EP21939281.8A priority patent/EP4332201A4/fr
Publication of WO2022230120A1 publication Critical patent/WO2022230120A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/10—Arrangements for supervising or controlling working operations for taking out the product in the line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/12—Arrangements for supervising or controlling working operations for injecting a composition into the line

Definitions

  • the present invention relates to a hydrogen supply system that enables hydrogen to be supplied at a hydrogen concentration below a specified level for a gas grid when supplying hydrogen to a gas grid that allows hydrogen to be mixed.
  • patent document 1 proposes a method of mixing hydrogen with fossil fuel gas such as LP gas and natural gas and supplying it to the gas grid so as to meet the city gas standard in order to supply hydrogen to the gas grid. It is
  • an object of the present invention is to supply hydrogen produced as clean energy to a gas grid while suppressing an increase in cost and not exceeding a specified hydrogen concentration value set in the gas grid.
  • the hydrogen supply system of the present invention includes a hydrogen production unit that produces hydrogen, a hydrogen booster that pressurizes the hydrogen produced by the hydrogen production unit to a pressure that can be supplied to a gas grid, a gas A grid gas intake unit that draws in grid gas from the grid, a hydrogen concentration adjustment unit that adjusts the mixed gas to an allowable hydrogen concentration or less specified in the gas grid, and a mixed gas return unit that supplies the mixed gas to the gas grid.
  • a hydrogen production unit that produces hydrogen
  • a hydrogen booster that pressurizes the hydrogen produced by the hydrogen production unit to a pressure that can be supplied to a gas grid
  • a gas A grid gas intake unit that draws in grid gas from the grid
  • a hydrogen concentration adjustment unit that adjusts the mixed gas to an allowable hydrogen concentration or less specified in the gas grid
  • a mixed gas return unit that supplies the mixed gas to the gas grid.
  • the present invention when supplying hydrogen produced as clean energy to the gas grid, it is possible to supply it so as not to exceed the hydrogen concentration specified value provided for the gas grid while suppressing an increase in cost.
  • FIG. 1 is an explanatory diagram illustrating a hydrogen supply system 100 according to the first embodiment.
  • a hydrogen supply system 100 described in the first embodiment includes a hydrogen production section 101 , a hydrogen pressurization section 102 , a grid gas intake section 103 , a hydrogen concentration adjustment section 104 and a mixed gas return section 105 .
  • the hydrogen supply system 100 is connected to a gas grid 901 and supplies hydrogen to this gas grid 901 .
  • This gas grid 901 is through which at least a blend of natural gas and hydrogen flows.
  • a blend gas may be described as mixed gas.
  • the hydrogen production unit 101 produces hydrogen.
  • the hydrogen pressurization unit 102 pressurizes the hydrogen produced by the hydrogen production unit 101 to a pressure that can be supplied to the gas grid 901 , and supplies the hydrogen concentration adjustment unit 104 .
  • the grid gas lead-in unit 103 draws in grid gas from the gas grid 901 and supplies it to the hydrogen concentration adjustment unit 104 .
  • the hydrogen concentration adjustment unit 104 adjusts the mixed gas to the allowable hydrogen concentration specified by the gas grid 901 or less.
  • the mixed gas return unit 105 supplies the mixed gas adjusted by the hydrogen concentration adjustment unit 104 to the gas grid 901 .
  • the grid gas lead-in section 103 and the mixed gas return section 105 are connected to the gas grid 901 .
  • the gas grid 901 contains a mixed gas (grid gas) of natural gas and hydrogen, such as city gas.
  • the gas grid 901 is provided with an upper limit of hydrogen concentration in order to prevent gas grid hydrogen embrittlement and to use existing natural gas utilization facilities.
  • the hydrogen production unit 101 produces hydrogen 2 to be supplied to the gas grid 901 .
  • the hydrogen 2 to be produced may be determined by predicting the amount of hydrogen demand and determining the production flow rate, or by producing the amount of hydrogen instructed by the gas grid manager.
  • the method by which the hydrogen production unit 101 produces hydrogen includes, for example, a method of producing hydrogen by electrolysis of water using power generated by renewable energy such as solar power generation and wind power generation, and a method of producing hydrogen by electrolysis of water when coal is gasified. Examples include a method of producing carbon monoxide by subjecting the produced carbon monoxide to a shift reaction and then separating carbon dioxide, and a method of producing by steam reforming natural gas, but are not limited to any of these. In order to realize a carbon-free product, when carbon dioxide is generated in the manufacturing process, it is preferable to recover the carbon dioxide and convert it into a valuable resource or store it.
  • the hydrogen 2 produced by the hydrogen producing unit 101 is pressurized by the hydrogen pressurizing unit 102 to a pressure that can be supplied to the gas grid 901 .
  • the pressure that can be supplied to the gas grid 901 varies depending on the location of the gas grid 901 to which hydrogen is to be supplied. is 1.0 MPaG or more, and is changed depending on the supply of hydrogen.
  • the hydrogen 2 is supplied to the hydrogen concentration adjustment unit 104 after being pressurized. Also, the grid gas lead-in section 103 connected to the gas grid 901 supplies the grid gas 1 present in the gas grid 901 to the hydrogen concentration adjustment section 104 .
  • the hydrogen concentration adjustment unit 104 mixes these two gases into a mixed gas 3 .
  • the hydrogen concentration adjustment unit 104 adjusts the hydrogen concentration of the mixed gas by changing the grid gas flow rate so as not to exceed the upper limit of the hydrogen concentration specified by the gas grid 901 .
  • the upper limit value of the hydrogen concentration specified by the gas grid 901 is also referred to as the allowable hydrogen concentration.
  • the reason why the grid gas flow rate is changed is that the hydrogen production unit 101 needs to supply an amount that takes into consideration the demand for hydrogen.
  • the mixed gas 3 adjusted by the hydrogen concentration adjusting section 104 is supplied to the gas grid 901 through the mixed gas returning section 105 .
  • the hydrogen supply system 100 of the present embodiment it is possible to supply the produced hydrogen at a hydrogen concentration below the specified value provided in the gas grid 901 .
  • FIG. 2 shows a block diagram of the hydrogen supply system 100 showing the details of the constituent elements of the grid gas lead-in section 103. As shown in FIG.
  • the grid gas lead-in unit 103 includes a grid gas hydrogen concentration measurement unit 1031, a grid gas hydrogen concentration communication unit 1032, a grid gas flow rate reception unit 1033, a grid gas flow rate adjustment unit 1034, and a grid gas supply unit 1035. It is connected to the hydrogen concentration adjustment unit 104 in the hydrogen supply system 100 and the gas grid 901 .
  • the grid gas hydrogen concentration measurement unit 1031 measures the hydrogen concentration in the grid gas.
  • the grid gas hydrogen concentration communication unit 1032 transmits data on the hydrogen concentration in the grid gas to the hydrogen concentration adjustment unit 104 .
  • the grid gas flow rate receiver 1033 receives the grid gas flow rate calculated by the hydrogen concentration adjuster 104 .
  • the grid gas flow rate adjusting unit 1034 adjusts and draws in the grid gas.
  • the grid gas supply unit 1035 supplies grid gas to the hydrogen concentration adjustment unit 104 .
  • the grid gas hydrogen concentration measurement unit 1031 measures the hydrogen concentration in the grid gas.
  • the grid gas hydrogen concentration communication unit 1032 transmits the measured grid gas hydrogen concentration data 201 to the hydrogen concentration adjustment unit 104 .
  • the grid gas hydrogen concentration data 201 is used to determine the grid gas flow rate.
  • the measurement interval in the grid gas hydrogen concentration measurement unit 1031 and the communication interval in the grid gas hydrogen concentration communication unit 1032 are not limited, they are set to 5 minutes or less in consideration of the fluctuation of the hydrogen concentration in the grid gas. preferably.
  • the hydrogen concentration adjustment unit 104 determines the grid gas flow rate for the specified hydrogen concentration in the gas grid 901 from the grid gas hydrogen concentration data 201 and the amount of hydrogen produced.
  • the grid gas flow rate command data 202 determined by the hydrogen concentration adjustment section 104 is transmitted to the grid gas flow rate reception section 1033 by the grid gas flow rate command section 1044 .
  • the grid gas flow rate adjusting unit 1034 adjusts the grid gas flow rate based on the grid gas flow rate command data 202 received by the grid gas flow rate receiving unit 1033 .
  • the interval at which data is received by the grid gas flow rate receiving unit 1033 is preferably set to 5 minutes or less like the communication interval of the grid gas hydrogen concentration communication unit 1032 .
  • the grid gas flow rate adjusting unit 1034 adjusts the grid gas flow rate drawn from the gas grid 901 to the value of the grid gas flow rate command data 202 received by the grid gas flow rate receiving unit 1033 .
  • the grid gas supply unit 1035 then supplies the grid gas 1 to the hydrogen concentration adjustment unit 104 .
  • the hydrogen concentration adjustment unit 104 mixes the grid gas 1 and the hydrogen 2 produced by the hydrogen production unit 101 .
  • the mixed gas 3 adjusted by the hydrogen concentration adjusting section 104 is supplied to the gas grid 901 through the mixed gas returning section 105 .
  • the hydrogen concentration in the mixed gas adjusted by the hydrogen concentration adjustment unit 104 can be adjusted to the gas. It is possible to set the grid 901 to a specified value or less.
  • FIG. 3 shows a block diagram of the hydrogen supply system 100 showing in detail the constituent elements of the hydrogen concentration adjusting section 104 shown in FIG.
  • the hydrogen concentration adjusting unit 104 includes a grid gas hydrogen concentration receiving unit 1041, a manufactured hydrogen flow rate measuring unit 1042, a grid gas flow rate calculating unit 1043, a grid gas flow rate commanding unit 1044, a gas mixing unit 1045, a mixed gas It is configured including a supply unit 1046 .
  • the hydrogen concentration adjusting section 104 is connected to the hydrogen boosting section 102 and the grid gas lead-in section 103 in the hydrogen supply system 100 .
  • the grid gas hydrogen concentration receiving section 1041 receives the hydrogen concentration in the grid gas from the grid gas lead-in section 103 .
  • the produced hydrogen flow rate measurement unit 1042 measures the flow rate of the hydrogen produced by the hydrogen production unit 101 .
  • the grid gas flow rate calculation unit 1043 calculates the grid gas flow rate from the flow rate of the hydrogen produced by the hydrogen production unit 101 so that the mixed gas is equal to or less than the allowable hydrogen concentration specified in the gas grid 901 .
  • the grid gas flow rate command section 1044 commands the grid gas lead-in section 103 to use the grid gas flow rate calculated by the grid gas flow rate calculation section 1043 .
  • the gas mixing section 1045 mixes the designated amount of grid gas supplied from the grid gas lead-in section 103 and the hydrogen produced by the hydrogen production section 101 .
  • the mixed gas supply unit 1046 supplies the mixed gas mixed by the gas mixing unit 1045 to the mixed gas returning unit 105 .
  • the hydrogen concentration adjustment unit 104 adjusts the grid gas flow rate for making the hydrogen concentration in the mixed gas 3 supplied to the gas grid 901 equal to or less than a specified value, using the grid gas hydrogen concentration data 201, which is the hydrogen concentration in the grid gas, and the manufacturing It is calculated using the hydrogen flow rate data 203 .
  • the grid gas hydrogen concentration data 201 is measured by the grid gas hydrogen concentration measurement unit 1031 described in the second embodiment and received by the grid gas hydrogen concentration reception unit 1041 through the grid gas hydrogen concentration communication unit 1032 .
  • the manufactured hydrogen flow rate data 203 is data measured by the manufactured hydrogen flow rate measuring unit 1042 . These two types of data are sent to the grid gas flow rate calculator 1043 .
  • the flow rate of the grid gas 1 drawn by the grid gas drawing section 103 needs to flexibly cope with temporal fluctuations in the flow rate of hydrogen produced by the hydrogen production section 101 . If the transmission interval of the grid gas hydrogen concentration data 201 is slow and the determination of the grid gas flow rate is delayed, especially when the production hydrogen flow rate increases, the hydrogen concentration in the mixed gas 3 supplied to the gas grid 901 exceeds the specified value. cannot supply. Therefore, the reception interval of the grid gas hydrogen concentration data 201 in the grid gas hydrogen concentration receiving unit 1041 and the measurement interval of the production hydrogen flow rate data 203 in the production hydrogen flow measurement unit 1042 used to determine the grid gas flow rate are set to 5 minutes or less. preferably.
  • the grid gas flow rate calculator 1043 calculates the grid gas flow rate using the following equation (1).
  • F G in the formula (1) is the grid gas flow rate [Nm 3 /h]
  • F H2. SUP is the production hydrogen flow rate [Nm 3 /h]
  • SET is the target hydrogen concentration [vol%] in the mixed gas
  • G is the grid gas hydrogen concentration [vol%].
  • the target hydrogen concentration x H2. SET is set to be equal to or less than the specified value of the hydrogen concentration provided in the gas grid. Note that the calculation method of the grid gas flow rate is not limited to the formula (1).
  • the grid gas flow rate command data 202 calculated by the grid gas flow rate calculation unit 1043 as described above is transmitted from the grid gas flow rate command unit 1044 to the grid gas flow rate reception unit 1033, and the grid gas flow rate adjustment unit 1034 draws in the grid gas flow rate data. Flow rate is adjusted.
  • the interval of data transmitted to the grid gas flow rate receiving unit 1033 is set to 5 minutes or less, like the data receiving interval of the grid gas hydrogen concentration receiving unit 1041 and the flow rate measurement interval of the production hydrogen flow rate measuring unit 1042. preferably.
  • the specified amount of the grid gas 1 adjusted in this manner and the hydrogen 2 produced in the hydrogen producing section 101 are mixed in the gas mixing section 1045 .
  • the mixed gas is supplied to the gas grid 901, it is better that there is no hydrogen distribution in the mixed gas. It is preferable to mix the hydrogen 2 and the grid gas, but the mixing method is not limited.
  • the mixed gas 3 is supplied from the mixed gas return section 105 to the gas grid 901 through the mixed gas supply section 1046 .
  • the hydrogen concentration in the mixed gas adjusted by the hydrogen concentration adjustment unit 104 can be adjusted to the gas grid. 901 specified value or less.
  • FIG. 4 shows a configuration diagram of the hydrogen supply system 100 showing in detail the constituent elements of the mixed gas return section 105 in FIG.
  • the mixed gas return unit 105 includes a mixed gas flow measurement unit 1051, a grid gas flow balance management unit 1052, a mixed gas gas grid supply unit 1053, and a return gas calorie measurement unit 1054.
  • the mixed gas return section 105 is connected to the hydrogen concentration adjustment section 104 and the gas grid 901 in the hydrogen supply system 100 .
  • the mixed gas flow rate measurement unit 1051 measures the flow rate of the mixed gas.
  • the grid gas flow rate balance management unit 1052 calculates the grid gas flow rate in the mixed gas obtained by subtracting the production hydrogen flow rate measured by the production hydrogen flow measurement unit 1042 from the mixed gas flow rate measured by the mixed gas flow measurement unit 1051, and the grid gas flow rate.
  • the command unit 1044 compares the grid gas flow rate commanded to the grid gas flow control unit 1034 to manage the balance of the grid gas.
  • the mixed gas gas grid supply unit 1053 supplies mixed gas to the gas grid 901 .
  • the hydrogen 2 produced by the hydrogen producing section 101 has its hydrogen concentration adjusted by the grid gas drawing section 103 and the hydrogen concentration adjusting section 104 .
  • the hydrogen supplier and the gas grid operator need to manage the material balance of the grid gas 1 .
  • the gas grid operator can set a different rate form from the existing grid gas users.
  • the mixed gas 3 supplied from the hydrogen concentration adjustment unit 104 has its flow rate measured by the mixed gas flow measurement unit 1051, and the mixed gas flow rate data 204 is obtained from the grid gas flow balance management unit 1052. sent to.
  • the grid gas flow balance management unit 1052 using the mixed gas flow data 204, the manufactured hydrogen flow data 203 measured by the manufactured hydrogen flow measurement unit 1042, and the grid gas flow command data 202 determined by the grid gas flow calculation unit 1043, The mass balance of the grid gas is calculated, and it is managed that the grid gas 1 drawn from the gas grid 901 is normally returned to the gas grid 901 in the same amount.
  • the mixed gas gas grid supply unit 1053 supplies the mixed gas to the gas grid 901 using, for example, a blower. It is desirable that the connection port with the gas grid 901 has a structure such that the return gas diffuses within the gas grid 901 as much as possible.
  • the hydrogen supply device supplies the mixed gas 3 to the gas grid 901 by the method described in the first to third embodiments and the present embodiment, but charges according to the amount of hydrogen in the mixed gas 3 supplied It is necessary to earn income by As a billing method, for example, there is a method of calculating the billing amount on a calorie basis.
  • a return gas calorific value measurement unit 1054 is provided in the mixed gas return unit 105 in FIG.
  • the return gas calorific value measurement unit 1054 measures the calorific value [MJ/m 3 ] corresponding to the hydrogen content of the mixed gas 3, the flow rate [m 3 /h], and the calorific value of hydrogen in the supplied mixed gas from the supply time [h]. is a means for calculating Based on the amount of heat calculated by the return gas calorific value measurement unit 1054, the billing amount can be determined and paid to the supplier.
  • a used gas calorie measuring unit is provided on the side of the hydrogen utilization device (not shown).
  • the used gas calorific value measuring unit is means for calculating the calorific value of the used gas based on the calorific value [MJ/m 3 ], flow rate [m 3 /h] and supply time [h] of the used gas. By measuring the calorific value of the gas used by the used gas calorific value measuring unit, it is possible to determine the usage fee and request payment from the user.
  • the present invention is not limited to the above-described embodiments, and includes various modifications.
  • the above-described embodiments have been described in detail in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those having all the described configurations.
  • a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment.
  • Some or all of the above configurations, functions, processing units, processing means, etc. may be realized by hardware such as integrated circuits.
  • Each of the above configurations, functions, etc. may be realized by software by a processor interpreting and executing a program for realizing each function.
  • Information such as programs, tables, and files that implement each function can be placed on recording devices such as memory, hard disks, SSDs (Solid State Drives), or recording media such as flash memory cards and DVDs (Digital Versatile Disks). can.
  • control lines and information lines indicate those considered necessary for explanation, and not all control lines and information lines are necessarily indicated on the product. In fact, it may be considered that almost all configurations are interconnected.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

L'invention concerne un système d'alimentation en hydrogène (100) qui comprend : une unité de production d'hydrogène (101) qui produit de l'hydrogène ; une unité d'amplification d'hydrogène (102) qui amplifie l'hydrogène produit par l'unité de production d'hydrogène (101) jusqu'à une pression permettant l'alimentation en hydrogène d'un réseau de gaz ; une unité d'aspiration de gaz de réseau (103) qui aspire un gaz de réseau à partir d'un réseau de gaz (901) ; une unité de régulation de la concentration d'hydrogène (104) qui prépare un gaz mixte de telle sorte que la concentration d'hydrogène ne dépasse pas une concentration d'hydrogène admissible spécifiée par le réseau de gaz (901) ; et une unité de retour de gaz mixte (105) qui fournit le gaz mixte au réseau de gaz.
PCT/JP2021/017023 2021-04-28 2021-04-28 Système d'alimentation en hydrogène Ceased WO2022230120A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023516962A JP7621468B2 (ja) 2021-04-28 2021-04-28 水素供給システム
PCT/JP2021/017023 WO2022230120A1 (fr) 2021-04-28 2021-04-28 Système d'alimentation en hydrogène
EP21939281.8A EP4332201A4 (fr) 2021-04-28 2021-04-28 Système d'alimentation en hydrogène

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/017023 WO2022230120A1 (fr) 2021-04-28 2021-04-28 Système d'alimentation en hydrogène

Publications (1)

Publication Number Publication Date
WO2022230120A1 true WO2022230120A1 (fr) 2022-11-03

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PCT/JP2021/017023 Ceased WO2022230120A1 (fr) 2021-04-28 2021-04-28 Système d'alimentation en hydrogène

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EP (1) EP4332201A4 (fr)
JP (1) JP7621468B2 (fr)
WO (1) WO2022230120A1 (fr)

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US20040112427A1 (en) * 2002-12-16 2004-06-17 Ballard Generation Systems Hydrogen distribution systems and methods
JP2006050887A (ja) * 2004-07-02 2006-02-16 Jfe Holdings Inc エネルギー供給方法及びシステム
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JP2015006127A (ja) * 2008-06-25 2015-01-08 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ エネルギを貯蔵及び供給するためのエネルギ貯蔵システム及び方法
JP2015524786A (ja) * 2012-07-24 2015-08-27 ヌヴェラ・フュエル・セルズ・インコーポレーテッド 分配水素抽出システム
JP2015528851A (ja) * 2012-05-28 2015-10-01 ハイドロジェニクス コーポレイション 電気分解装置及びエネルギーシステム
JP2020514714A (ja) * 2016-12-28 2020-05-21 エンジーＥｎｇｉｅ 水素を含みうるガスの燃焼特性を推定するための方法

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JP4530193B2 (ja) * 2001-02-14 2010-08-25 東京瓦斯株式会社 都市ガス供給方法及びシステム
ES2764389T3 (es) * 2014-07-28 2020-06-03 RAG Austria AG Dispositivo y procedimiento para almacenar y distribuir energía renovable
FR3037119B1 (fr) * 2015-06-08 2017-12-15 Grdf Dispositif et procede d'injection de dihydrogene dans un flux de gaz naturel issu d'un premier reseau de distribution de gaz
CN111992071B (zh) * 2020-08-13 2025-09-09 山西铭石煤层气利用股份有限公司 一种氢能源利用燃气掺混系统及氢气和天然气配比控制方法

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Publication number Priority date Publication date Assignee Title
US20040112427A1 (en) * 2002-12-16 2004-06-17 Ballard Generation Systems Hydrogen distribution systems and methods
JP2006050887A (ja) * 2004-07-02 2006-02-16 Jfe Holdings Inc エネルギー供給方法及びシステム
JP2010500272A (ja) * 2006-08-09 2010-01-07 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード 水素精製方法
JP2015006127A (ja) * 2008-06-25 2015-01-08 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ エネルギを貯蔵及び供給するためのエネルギ貯蔵システム及び方法
JP2015528851A (ja) * 2012-05-28 2015-10-01 ハイドロジェニクス コーポレイション 電気分解装置及びエネルギーシステム
JP2015524786A (ja) * 2012-07-24 2015-08-27 ヌヴェラ・フュエル・セルズ・インコーポレーテッド 分配水素抽出システム
JP2020514714A (ja) * 2016-12-28 2020-05-21 エンジーＥｎｇｉｅ 水素を含みうるガスの燃焼特性を推定するための方法

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Title
See also references of EP4332201A4 *

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EP4332201A4 (fr) 2025-02-26
EP4332201A1 (fr) 2024-03-06
JPWO2022230120A1 (fr) 2022-11-03
JP7621468B2 (ja) 2025-01-24

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