JP2018135580A - 水電解システム及び水電解システムの運転方法 - Google Patents
水電解システム及び水電解システムの運転方法 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims description 7
- 239000007789 gas Substances 0.000 claims abstract description 200
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 194
- 239000001257 hydrogen Substances 0.000 claims abstract description 122
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 122
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000001301 oxygen Substances 0.000 claims abstract description 64
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 64
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 25
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- 229910001873 dinitrogen Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- Electrochemistry (AREA)
- Materials Engineering (AREA)
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- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
R3 水素供給路
V3,V4 流量調節バルブ
1 水電解システム
2 水電解槽
2a 陽極室
2b 陰極室
4 圧縮機
5 精製器
6 貯蔵タンク
7 制御装置
8 陽極
9 陰極
10 隔膜
Claims (6)
- 内部に陽極が配置され、外部から供給される電力により水を電解して酸素ガスを発生させる陽極室と、内部に陰極が配置され、前記電力により水を電解して水素ガスを発生させる陰極室と、前記陽極室と前記陰極室との間に配置された隔膜とを有する水電解槽と、
前記陰極室から排出され且つ水素ガスを含む陰極側ガスを流通させる陰極側ガス流路と、
前記陰極側ガス流路における陰極側ガスの水素濃度若しくは酸素濃度、又は、前記水電解槽への電力供給量の少なくともいずれかを監視する監視装置と、
前記陰極側ガス流路を流通する陰極側ガスの水素濃度を高めるように、水素ガスを陰極側ガスに供給可能に設けられた水素供給路と、
前記水素供給路から陰極側ガスへ供給される水素ガスの流量を調節する流量調節バルブとを備える、水電解システム。 - 前記監視装置による監視結果に基づいて前記流量調節バルブを制御する制御装置を更に備え、
前記制御装置は、前記水素濃度が水素基準濃度よりも高く若しくは前記酸素濃度が酸素基準濃度よりも低く、又は、前記電力供給量が基準電力量よりも高い場合に、陰極側ガスへの水素ガスの供給を停止させ、前記水素濃度が前記水素基準濃度以下若しくは前記酸素濃度が前記酸素基準濃度以上、又は、前記電力供給量が前記基準電力量以下の場合に、陰極側ガスへ水素ガスを供給させるように、前記流量調節バルブを制御する、請求項1に記載の水電解システム。 - 陰極側ガスを圧縮する圧縮機を更に備え、
前記水素供給路は、前記陰極側ガス流路の前記圧縮機よりも陰極側ガスの流通方向の上流側に接続されている、請求項1乃至2に記載の水電解システム。 - 陰極側ガスに含まれる酸素ガスを除去することにより陰極側ガスから水素ガスを精製する精製器を更に備え、
前記水素供給路は、前記精製器で精製された水素ガスを陰極側ガスに供給する、請求項1乃至3のいずれか1項に記載の水電解システム。 - 前記精製器で精製された水素ガスを貯蔵する貯蔵タンクを更に備え、
前記水素供給路は、前記貯蔵タンクに貯蔵された水素ガスを陰極側ガスに供給する、請求項4に記載の水電解システム。 - 内部に陽極が配置され、外部から供給される電力により水を電解して酸素ガスを発生させる陽極室と、内部に陰極が配置され、前記電力により水を電解して水素ガスを発生させる陰極室と、前記陽極室と前記陰極室との間に配置された隔膜とを有する水電解槽と、前記陰極室から排出され且つ水素ガスを含む陰極側ガスを流通させる陰極側ガス流路と、前記陰極側ガス流路における陰極側ガスの水素濃度若しくは酸素濃度、又は、前記水電解槽への電力供給量の少なくともいずれかを監視する監視装置と、前記陰極側ガス流路を流通する陰極側ガスの水素濃度を高めるように、水素ガスを陰極側ガスに供給可能に設けられた水素供給路と、前記水素供給路から陰極側ガスへ供給される水素ガスの流量を調節する流量調節バルブとを備える、水電解システムの運転方法であって、
前記水素濃度が水素基準濃度よりも高く若しくは前記酸素濃度が酸素基準濃度よりも低く、又は、前記水電解槽への電力供給量が基準電力量よりも高い場合に、陰極側ガスへの水素ガスの供給を停止させ、前記水素濃度が前記水素基準濃度以下若しくは前記酸素濃度が前記酸素基準濃度以上、又は、前記電力供給量が前記基準電力量以下の場合に、陰極側ガスへ水素ガスを供給させるように、前記流量調節バルブを制御する、水電解システムの運転方法。
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JP2017032160A JP6899665B2 (ja) | 2017-02-23 | 2017-02-23 | 水電解システム及び水電解システムの運転方法 |
CN201880004728.8A CN110023543B (zh) | 2017-02-23 | 2018-02-15 | 水电解系统及水电解系统的运行方法 |
EP18756898.5A EP3591096B1 (en) | 2017-02-23 | 2018-02-15 | Water electrolysis system and method of operating water electrolysis system |
CA3042173A CA3042173C (en) | 2017-02-23 | 2018-02-15 | Water electrolysis system and method of operating water electrolysis system |
AU2018223580A AU2018223580B2 (en) | 2017-02-23 | 2018-02-15 | Water electrolysis system and method for operating water electrolysis system |
PT187568985T PT3591096T (pt) | 2017-02-23 | 2018-02-15 | Sistema de eletrólise de água e método para operar o sistema de eletrólise de água |
ES18756898T ES2899400T3 (es) | 2017-02-23 | 2018-02-15 | Sistema de electrólisis de agua y procedimiento de funcionamiento del sistema de electrólisis de agua |
PCT/JP2018/005326 WO2018155308A1 (ja) | 2017-02-23 | 2018-02-15 | 水電解システム及び水電解システムの運転方法 |
US16/345,290 US11060198B2 (en) | 2017-02-23 | 2018-02-15 | Water electrolysis system and method of operating water electrolysis system |
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CN115976572A (zh) * | 2022-12-22 | 2023-04-18 | 北京科技大学 | 电解槽气体纯度控制方法、系统、装置及存储介质 |
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CA3117925C (en) | 2018-11-05 | 2023-01-17 | Asahi Kasei Kabushiki Kaisha | Method of producing hydrogen |
CN112522727B (zh) * | 2020-12-02 | 2021-11-12 | 上海毅镤新能源科技有限公司 | 制氢装置 |
CN112760679A (zh) * | 2021-01-27 | 2021-05-07 | 苏州竞立制氢设备有限公司 | 一种压差调节方法及装置 |
CN114686905B (zh) * | 2022-03-30 | 2023-04-25 | 东方电气集团东方锅炉股份有限公司 | 一种水电解槽阴阳极互窜监测与提前预警方法及系统 |
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JP6899665B2 (ja) | 2021-07-07 |
PT3591096T (pt) | 2021-11-23 |
ES2899400T3 (es) | 2022-03-11 |
CA3042173A1 (en) | 2018-08-30 |
US11060198B2 (en) | 2021-07-13 |
CN110023543A (zh) | 2019-07-16 |
EP3591096A1 (en) | 2020-01-08 |
CA3042173C (en) | 2021-06-15 |
AU2018223580B2 (en) | 2020-03-12 |
EP3591096A4 (en) | 2020-12-16 |
WO2018155308A1 (ja) | 2018-08-30 |
EP3591096B1 (en) | 2021-10-13 |
CN110023543B (zh) | 2021-05-25 |
AU2018223580A1 (en) | 2019-05-30 |
US20190271091A1 (en) | 2019-09-05 |
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