CN113151850A - Efficient hydrogen production system - Google Patents
Efficient hydrogen production system Download PDFInfo
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- CN113151850A CN113151850A CN202110448458.3A CN202110448458A CN113151850A CN 113151850 A CN113151850 A CN 113151850A CN 202110448458 A CN202110448458 A CN 202110448458A CN 113151850 A CN113151850 A CN 113151850A
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- Prior art keywords
- hydrogen production
- production system
- electrolysis
- steam generator
- steam
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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
- 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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- 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
Abstract
The invention discloses an efficient hydrogen production system, which comprises a steam generator, a condenser, a decomposition device, a storage device and a photovoltaic power generation device, wherein the condenser is arranged in the steam generator; the steam generator is positioned at the focus of the condenser, the steam outlet of the steam generator is communicated with the inlet of the electrolysis device, the hydrogen outlet of the electrolysis device is communicated with the storage device, and the output end of the photovoltaic power generation device is connected with the power interface of the electrolysis device.
Description
Technical Field
The invention belongs to the field of hydrogen energy, and relates to a high-efficiency hydrogen production system.
Background
The hydrogen energy is a secondary energy source which is wide in source, clean, free of carbon, flexible, efficient and rich in application scene, is an ideal interconnection medium for promoting clean and efficient utilization of traditional fossil energy and supporting large-scale development of renewable energy, and is an optimal choice for realizing large-scale deep decarburization in the fields of transportation, industry, buildings and the like.
The hydrogen production modes of hydrogen mainly comprise coal gasification hydrogen production, natural gas reforming hydrogen production, methanol cracking hydrogen production, water electrolysis hydrogen production and the like, wherein the water electrolysis hydrogen production technology does not involve carbon emission, and the produced hydrogen is called green hydrogen, but the water electrolysis hydrogen production yield accounts for about 4% of the hydrogen production yield, so the water electrolysis hydrogen production technology of renewable energy sources needs to be popularized vigorously, the water electrolysis hydrogen production yield is greatly improved, and the low-carbon conversion of energy sources in China is assisted.
The currently applied water electrolysis hydrogen production system mainly comprises an alkaline water electrolysis system and a proton exchange membrane water electrolysis system, and the two water electrolysis hydrogen production systems generally consume 4.1-5 kwh/Nm3Meanwhile, the energy consumption is high, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an efficient hydrogen production system which can realize hydrogen production and has the characteristics of low energy consumption and high efficiency.
In order to achieve the aim, the efficient hydrogen production system comprises a steam generator, a condenser, a decomposition device, a storage device and a photovoltaic power generation device;
the steam generator is positioned at the focus of the condenser, the steam outlet of the steam generator is communicated with the inlet of the electrolysis device, the hydrogen outlet of the electrolysis device is communicated with the storage device, and the output end of the photovoltaic power generation device is connected with the power interface of the electrolysis device.
The condenser is of a groove type structure, a tower type structure, a disc type structure or a linear Fresnel type structure.
The steam generator is provided with a circulating water inlet and a circulating water outlet and a steam outlet.
The electrolysis device is a solid oxide water electrolysis hydrogen production device.
The storage device is one or more of a high-pressure hydrogen storage tank, an organic liquid and a metal.
When the solar water heater works, the condenser focuses sunlight on the steam generator, water output by the water inlet pipeline enters the steam generator through the circulating water inlet and outlet, is heated into high-temperature steam, and then is discharged into the electrolysis device through the steam outlet.
When the photovoltaic power generation device works, the photovoltaic power generation device generates electric energy by utilizing sunlight and then transmits the electric energy to the electrolysis device.
When the photovoltaic power generation device works, the electrolysis device uses the electric energy generated by the photovoltaic power generation device to electrolyze steam to generate hydrogen, and the hydrogen is stored in the storage device.
The invention has the following beneficial effects:
when the efficient hydrogen production system is operated specifically, solar energy is utilized to generate high-temperature steam and electric power, and the high-temperature steam and the electric power are input into the electrolysis device to be electrolyzed to generate hydrogen; the generated hydrogen is stored in a storage device and can be used for generating power again, chemical product raw materials or filling fuel cell vehicles for use. The invention can realize 'peak clipping and valley filling' of the photovoltaic power generation device, improve the stability of the photovoltaic power generation device and has lower power consumption (less than or equal to 3.7 kwh/Nm)3) The method has the advantages of high conversion efficiency, simple system, convenient operation, and convenient popularization and application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a condenser, 2 is a steam generator, 3 is a photovoltaic power generation device, 4 is an electrolysis device, and 5 is a storage device.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Referring to fig. 1, the efficient hydrogen production system of the present invention includes a condenser 1, a steam generator 2, a photovoltaic power generation device 3, an electrolysis device 4, and a storage device 5;
the condenser 1 is of a groove type structure, a tower type structure, a disc type structure or a linear Fresnel type structure.
The steam generator 2 is positioned on the focus of the condenser 1, and the steam generator 2 is provided with a circulating water inlet, a circulating water outlet and a steam outlet.
The photovoltaic power generation device 3 generates electric power using sunlight and outputs direct current or alternating current to the electrolysis device 4.
The electrolysis device 4 uses the electricity generated by the photovoltaic power generation device 3 to electrolyze the high-temperature water vapor to generate hydrogen, and the electrolysis device 4 is a solid oxide water electrolysis hydrogen production device or other devices capable of electrolyzing the high-temperature water vapor to produce hydrogen.
The storage device 5 is used for storing hydrogen generated by electrolysis of the electrolysis device 4, wherein the storage device 5 is one or more of high-pressure hydrogen storage tank, organic liquid hydrogen storage and metal hydrogen storage.
When the solar water heater works, sunlight is focused on the steam generator 2 by the condenser 1, water output by the water inlet pipeline enters the steam generator 2 through the circulating water inlet and outlet to be heated into high-temperature steam, and then the high-temperature steam is discharged into the electrolysis device 4 through the steam outlet, meanwhile, the photovoltaic power generation device 3 generates electric energy by utilizing the sunlight and then transmits the electric energy to the electrolysis device 4, and the electrolysis device 4 generates hydrogen by utilizing the electric energy generated by the photovoltaic power generation device 3 to electrolyze the steam, and stores the hydrogen in the storage device 5.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. A high-efficiency hydrogen production system is characterized by comprising a steam generator (2), a condenser (1), a decomposition device (4), a storage device (5) and a photovoltaic power generation device (3);
the steam generator (2) is positioned on the focus of the condenser (1), the steam outlet of the steam generator (2) is communicated with the inlet of the electrolysis device (4), the hydrogen outlet of the electrolysis device (4) is communicated with the storage device (5), and the output end of the photovoltaic power generation device (3) is connected with the power interface of the electrolysis device (4).
2. The efficient hydrogen production system according to claim 1, wherein the concentrator (1) is of a trough structure, a tower structure, a dish structure, or a linear fresnel structure.
3. The efficient hydrogen production system according to claim 1, wherein the steam generator (2) is provided with a circulating water inlet and outlet and a steam outlet.
4. The efficient hydrogen production system according to claim 1, wherein the electrolysis device (4) is a solid oxide electrolysis water hydrogen production device.
5. The efficient hydrogen production system according to claim 1, wherein the storage device (5) is one or more of a high-pressure hydrogen storage tank, an organic liquid hydrogen storage and a metal hydrogen storage.
6. The efficient hydrogen production system according to claim 1, wherein in operation, the condenser (1) focuses sunlight on the steam generator (2), and water output from the water inlet pipe enters the steam generator (2) through the circulating water inlet and outlet, is heated to high-temperature steam, and then is discharged to the electrolysis device (4) through the steam outlet.
7. A high efficiency hydrogen production system according to claim 1, wherein in operation, the photovoltaic power generation device (3) utilizes sunlight to generate electrical energy, which is then delivered to the electrolysis device (4).
8. A high efficiency hydrogen production system according to claim 1, wherein in operation, the electrolysis device (4) uses the electrical energy generated by the photovoltaic power generation device (3) to electrolyze the steam to produce hydrogen gas, which is stored in the storage device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448458.3A CN113151850A (en) | 2021-04-25 | 2021-04-25 | Efficient hydrogen production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448458.3A CN113151850A (en) | 2021-04-25 | 2021-04-25 | Efficient hydrogen production system |
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| CN113151850A true CN113151850A (en) | 2021-07-23 |
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| CN202110448458.3A Pending CN113151850A (en) | 2021-04-25 | 2021-04-25 | Efficient hydrogen production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214653A (en) * | 2021-12-30 | 2022-03-22 | 杭州电子科技大学 | Solar water distillation-photovoltaic power generation coupled hydrogen production device and method |
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2021
- 2021-04-25 CN CN202110448458.3A patent/CN113151850A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214653A (en) * | 2021-12-30 | 2022-03-22 | 杭州电子科技大学 | Solar water distillation-photovoltaic power generation coupled hydrogen production device and method |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230427 Address after: 102209 building a, Huaneng talent innovation and entrepreneurship base, Beiqijia future science and Technology City, Changping District, Beijing Applicant after: HUANENG CLEAN ENERGY Research Institute Applicant after: Huaneng Mingtai Power Co.,Ltd. Applicant after: Sichuan Huaneng Hydrogen Technology Co.,Ltd. Applicant after: HUANENG GROUP TECHNOLOGY INNOVATION CENTER Co.,Ltd. Applicant after: Sichuan Huaneng Taipingyi Hydropower Co.,Ltd. Applicant after: SICHUAN HUANENG BAOXINGHE HYDROPOWER Co.,Ltd. Applicant after: SICHUAN HUANENG JIALINGJIANG HYDROPOWER Co.,Ltd. Applicant after: SICHUAN HUANENG DONGXIGUAN WATER POWER Co.,Ltd. Applicant after: SICHUAN HUANENG KANGDING HYDROPOWER Co.,Ltd. Applicant after: SICHUAN HUANENG FUJIANG HYDROPOWER CO.,LTD. Address before: 102209 building a, Huaneng talent innovation and entrepreneurship base, future science and Technology City, Beiqijia Town, Changping District, Beijing Applicant before: HUANENG CLEAN ENERGY Research Institute |
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