CN223268784U - A solar thermal insulation system for alkaline electrolytic cells - Google Patents
A solar thermal insulation system for alkaline electrolytic cellsInfo
- Publication number
- CN223268784U CN223268784U CN202422544196.2U CN202422544196U CN223268784U CN 223268784 U CN223268784 U CN 223268784U CN 202422544196 U CN202422544196 U CN 202422544196U CN 223268784 U CN223268784 U CN 223268784U
- Authority
- CN
- China
- Prior art keywords
- alkaline
- tank
- water
- water tank
- heat
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
本实用新型提供一种太阳能热利用的碱性电解槽保温系统，包括：太阳能镜场、水槽、换热器、碱水箱和碱性电解槽；水槽的上方布置太阳能镜场；水槽的出水端连接到换热器的热源入口；换热器的热源出口连接到水槽的回水端；碱性电解槽的碱液出口连接到碱水箱的碱液入口；碱水箱的碱液出口连接到换热器的冷源入口；换热器的冷源出口连接到碱性电解槽的碱液入口。本实用新型充分利用了清洁可再生的太阳能资源，采用太阳能资源对待机状态的电解槽内的电解液进行保温，使电解槽内的电解液达到启动温度，使电解槽达到热待机状态；然后再启动电解槽，则电解槽在5分钟左右即可进入工作状态，从而大大缩短启动时间并减少启动阶段电能消耗。
The utility model provides an alkaline electrolytic cell insulation system utilizing solar thermal energy, comprising: a solar mirror field, a water tank, a heat exchanger, an alkaline water tank, and an alkaline electrolytic cell; the solar mirror field is arranged above the water tank; the water outlet of the water tank is connected to the heat source inlet of the heat exchanger; the heat source outlet of the heat exchanger is connected to the return water end of the water tank; the alkaline solution outlet of the alkaline electrolytic cell is connected to the alkaline solution inlet of the alkaline water tank; the alkaline solution outlet of the alkaline water tank is connected to the cold source inlet of the heat exchanger; and the cold source outlet of the heat exchanger is connected to the alkaline solution inlet of the alkaline electrolytic cell. The utility model fully utilizes clean and renewable solar energy resources, uses solar energy resources to insulate the electrolyte in the electrolytic cell in a standby state, so that the electrolyte in the electrolytic cell reaches the starting temperature, and the electrolytic cell reaches a hot standby state; then the electrolytic cell is started, and the electrolytic cell can enter an operating state in about 5 minutes, thereby greatly shortening the startup time and reducing the power consumption during the startup phase.
Description
Technical Field
The utility model belongs to the technical field of hydrogen production by water electrolysis, and particularly relates to an alkaline electrolytic tank heat preservation system utilizing solar heat.
Background
At present, in the alkaline water electrolysis hydrogen production technology, the electrolytic tank is in a cold standby state before starting, namely, the state before starting when the temperature of electrolyte in the electrolytic tank is consistent with the ambient temperature. When the electrolyzer is started in a cold standby state, the heat engine is needed to be started, so that the electrolyzer can start working after the temperature reaches the allowable range, the starting time is generally more than 30 minutes, the starting time is longer, and the electric energy consumption in the starting stage is larger. How to solve the problems, shorten the starting time of the electrolytic cell and reduce the electric energy consumption in the starting stage is an important problem to be solved at present.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides an alkaline electrolytic tank heat preservation system for solar heat utilization, which can effectively solve the problems.
The technical scheme adopted by the utility model is as follows:
The utility model provides an alkaline electrolytic tank heat preservation system for solar heat utilization, which comprises a solar mirror field (1), a water tank (2), a heat exchanger (5), an alkaline water tank (6) and an alkaline electrolytic tank (8);
The solar energy mirror field (1) is arranged above the water tank (2), the water outlet end of the water tank (2) is connected to the heat source inlet of the heat exchanger (5) through a water conveying pipeline (L1), and the heat source outlet of the heat exchanger (5) is connected to the water return end of the water tank (2) through a water return pipeline (L2), so that waterway circulation is formed;
The alkaline electrolysis tank (8) is characterized in that an alkaline liquid outlet is connected to an alkaline liquid inlet of the alkaline liquid tank (6) through a first alkaline liquid conveying pipeline (P1), an alkaline liquid outlet of the alkaline liquid tank (6) is connected to a cold source inlet of the heat exchanger (5) through a second alkaline liquid conveying pipeline (P2), and a cold source outlet of the heat exchanger (5) is connected to an alkaline liquid inlet of the alkaline electrolysis tank (8) through a third alkaline liquid conveying pipeline (P3), so that alkaline liquid circulation is formed.
Preferably, a circulating water pump (3) is arranged in the water conveying pipeline (L1).
Preferably, the water delivery pipeline (L1) is led out of the branch and is connected with the heat storage water tank (4).
Preferably, the third lye delivery pipeline (P3) is provided with a lye circulating pump (7).
Preferably, the hydrogen generating port of the alkaline electrolytic tank (8) is communicated with the air inlet end of the hydrogen-liquid separator (9), and the air outlet end of the hydrogen-liquid separator (9) is communicated with the air inlet end of the hydrogen drying, purifying and compressing system (11).
Preferably, the oxygen generating port of the alkaline electrolytic tank (8) is communicated with the air inlet end of the oxygen-gas separator (10), and the air outlet end of the oxygen-gas separator (10) is communicated with the air inlet end of the oxygen drying, purifying and compressing system (12).
The alkaline electrolytic tank heat preservation system for solar heat utilization has the following advantages:
the utility model provides an alkaline electrolytic tank heat preservation system utilizing solar heat, which fully utilizes clean and renewable solar resources, adopts the solar resources to preserve heat of electrolyte in an electrolytic tank in a standby state, enables the electrolyte in the electrolytic tank to reach a starting temperature, generally 70-90 ℃ to enable the electrolytic tank to reach a hot standby state, and then starts the electrolytic tank again, so that the electrolytic tank can enter a working state within about 5 minutes, thereby greatly shortening the starting time and reducing the electric energy consumption in the starting stage.
Drawings
FIG. 1 is a block diagram of an alkaline electrolyzer insulation system for solar heat utilization, provided by the utility model.
Wherein:
1 solar energy mirror field, 2 water tank, 3 circulating water pump, 4 heat storage water tank, 5 heat exchanger, 6 alkali water tank, 7 alkali liquid circulating pump, 8 alkaline electrolytic tank, 9 hydrogen gas-liquid separator, 10 oxygen gas-liquid separator, 11 hydrogen drying and purifying compression system, 12 oxygen drying and purifying compression system;
An L1 water conveying pipeline, an L2 water return pipeline, a P1 first alkali liquor conveying pipeline, a P2 second alkali liquor conveying pipeline and a P3 third alkali liquor conveying pipeline.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides an alkaline electrolytic tank heat preservation system for solar heat utilization, in particular to an auxiliary heat preservation system for a shutdown electrolytic tank for hydrogen production by large-scale alkaline water electrolysis for solar heat utilization, which solves the technical problems that a cold standby electrolytic tank cannot be started quickly and has high starting electric energy consumption due to low tank temperature in the large-scale alkaline water electrolysis hydrogen production project.
Referring to FIG. 1, the utility model provides an alkaline electrolytic tank heat preservation system for solar heat utilization, which comprises a solar mirror field 1, a water tank 2, a heat exchanger 5, an alkaline water tank 6 and an alkaline electrolytic tank 8;
The solar energy mirror field 1 is arranged above the water tank 2, the water outlet end of the water tank 2 is connected to the heat source inlet of the heat exchanger 5 through the water conveying pipeline L1, the circulating water pump 3 is arranged on the water conveying pipeline L1, the water conveying pipeline L1 is led out of the branch, and the heat storage water tank 4 is connected and installed. The heat source outlet of the heat exchanger 5 is connected to the water return end of the water tank 2 through a water return pipeline L2, thereby forming waterway circulation;
the alkali liquor outlet of the alkaline electrolytic tank 8 is connected to the alkali liquor inlet of the alkali water tank 6 through a first alkali liquor conveying pipeline P1, the alkali liquor outlet of the alkali water tank 6 is connected to the cold source inlet of the heat exchanger 5 through a second alkali liquor conveying pipeline P2, the cold source outlet of the heat exchanger 5 is connected to the alkali liquor inlet of the alkaline electrolytic tank 8 through a third alkali liquor conveying pipeline P3, and the third alkali liquor conveying pipeline P3 is provided with an alkali liquor circulating pump 7, so that alkali liquor circulation is formed.
The hydrogen generating port of the alkaline electrolytic tank 8 is communicated with the air inlet end of the hydrogen-liquid separator 9, and the air outlet end of the hydrogen-liquid separator 9 is communicated with the air inlet end of the hydrogen drying, purifying and compressing system 11.
The oxygen generating port of the alkaline electrolytic tank 8 is communicated with the air inlet end of the oxygen-gas separator 10, and the air outlet end of the oxygen-gas separator 10 is communicated with the air inlet end of the oxygen drying, purifying and compressing system 12.
The utility model provides an alkaline electrolytic tank heat preservation system utilizing solar heat, which has the working mode that:
1. Concentrating solar radiation by using the solar field 1 to heat the medium in the water tank 2;
2. After the medium in the water tank 2 is heated, under the action of the circulating water pump 3, one part of the medium enters the heat exchanger 5 to heat alkali liquor in the electrolytic water system, and the low-temperature medium after heat exchange by the heat exchanger 5 is recycled to the mirror field area of the water tank 2 to heat;
3. after the heat exchange of the heat exchanger 5, the alkaline water in the alkaline water tank 6 in the alkaline water electrolysis hydrogen production system reaches the working temperature of the alkaline water electrolysis, and enters the alkaline electrolysis tank 8 through the alkaline water circulation pump 7, and the low-temperature alkaline water flows back into the alkaline water tank 6.
Through the steps 1 to 3, the electrolyte in the alkaline electrolytic tank 8 in the standby state is insulated by adopting solar energy resources, so that the electrolyte in the alkaline electrolytic tank 8 reaches the starting temperature, generally 70-90 ℃, and the alkaline electrolytic tank 8 reaches the hot standby state.
4. Then, the alkaline electrolytic tank 8 is started to generate electrolytic reaction, hydrogen and oxygen are generated in two stages, the hydrogen can be used after passing through the hydrogen-gas separator 9 and the hydrogen drying, purifying and compressing system 11, and the oxygen can be used after passing through the oxygen-gas separator 10 and the oxygen drying, purifying and compressing system 12.
The utility model provides an alkaline electrolytic tank heat preservation system utilizing solar heat, which fully utilizes clean and renewable solar resources, adopts the solar resources to preserve heat of electrolyte in an electrolytic tank in a standby state, enables the electrolyte in the electrolytic tank to reach a starting temperature, generally 70-90 ℃ to enable the electrolytic tank to reach a hot standby state, and then starts the electrolytic tank again, so that the electrolytic tank can enter a working state within about 5 minutes, thereby greatly shortening the starting time and reducing the electric energy consumption in the starting stage.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.
Claims (6)
1. An alkaline electrolytic tank heat preservation system for solar heat utilization is characterized by comprising a solar mirror field (1), a water tank (2), a heat exchanger (5), an alkaline water tank (6) and an alkaline electrolytic tank (8);
The solar energy mirror field (1) is arranged above the water tank (2), the water outlet end of the water tank (2) is connected to the heat source inlet of the heat exchanger (5) through a water conveying pipeline (L1), and the heat source outlet of the heat exchanger (5) is connected to the water return end of the water tank (2) through a water return pipeline (L2), so that waterway circulation is formed;
The alkaline electrolysis tank (8) is characterized in that an alkaline liquid outlet is connected to an alkaline liquid inlet of the alkaline liquid tank (6) through a first alkaline liquid conveying pipeline (P1), an alkaline liquid outlet of the alkaline liquid tank (6) is connected to a cold source inlet of the heat exchanger (5) through a second alkaline liquid conveying pipeline (P2), and a cold source outlet of the heat exchanger (5) is connected to an alkaline liquid inlet of the alkaline electrolysis tank (8) through a third alkaline liquid conveying pipeline (P3), so that alkaline liquid circulation is formed.
2. An alkaline electrolyzer insulation system for solar heat utilization according to claim 1, characterized in that a circulating water pump (3) is arranged in the water transport line (L1).
3. The alkaline electrolytic tank heat preservation system for solar heat utilization according to claim 1, wherein the water delivery pipeline (L1) is led out of a branch and is connected with a heat storage water tank (4).
4. An alkaline electrolyzer insulation system for solar thermal utilization according to claim 1, characterized in that the third lye transfer line (P3) is arranged with a lye circulation pump (7).
5. The alkaline electrolytic tank heat preservation system for solar heat utilization according to claim 1 is characterized in that a hydrogen generation port of the alkaline electrolytic tank (8) is communicated with an air inlet end of a hydrogen liquid separator (9), and an air outlet end of the hydrogen liquid separator (9) is communicated with an air inlet end of a hydrogen drying purification compression system (11).
6. The alkaline electrolytic tank heat preservation system for solar heat utilization according to claim 1, wherein an oxygen generation port of the alkaline electrolytic tank (8) is communicated with an air inlet end of an oxygen-liquid separator (10), and an air outlet end of the oxygen-liquid separator (10) is communicated with an air inlet end of an oxygen drying, purifying and compressing system (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422544196.2U CN223268784U (en) | 2024-10-21 | 2024-10-21 | A solar thermal insulation system for alkaline electrolytic cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422544196.2U CN223268784U (en) | 2024-10-21 | 2024-10-21 | A solar thermal insulation system for alkaline electrolytic cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223268784U true CN223268784U (en) | 2025-08-26 |
Family
ID=96801964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422544196.2U Active CN223268784U (en) | 2024-10-21 | 2024-10-21 | A solar thermal insulation system for alkaline electrolytic cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223268784U (en) |
-
2024
- 2024-10-21 CN CN202422544196.2U patent/CN223268784U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115074765A (en) | Combined type alkali liquor tank and alkali water electrolysis hydrogen production system with same | |
| CN105134318A (en) | Energy storage device based on hydrogen-steam turbine compound cycle | |
| CN111541416A (en) | Photovoltaic coupling molten carbonate fuel cell cold-hot electric system and energy supply method | |
| CN214625114U (en) | Liquid hydrogen fuel cell waste heat recovery system | |
| CN118345443A (en) | A high-pressure PEM water electrolysis hydrogen production system and method with integrated residual energy recovery | |
| CN222499403U (en) | Alkaline electrolytic tank waste heat and waste gas combined utilization device for wind-solar power generation hydrogen production | |
| CN222990232U (en) | Water electrolysis system for accelerating cold start | |
| CN223268784U (en) | A solar thermal insulation system for alkaline electrolytic cells | |
| CN220633032U (en) | Green methanol synthesis system considering heat preservation of electrolytic cell | |
| CN111188996B (en) | A low-temperature waste heat recovery device for submerged combustion gasifiers in LNG receiving stations | |
| CN219117572U (en) | Energy-saving quick starting device of water electrolysis hydrogen production system | |
| CN218237628U (en) | Carbon dioxide heat pump heating system for consuming green electricity in plant area of thermal power plant | |
| CN117867521A (en) | Frequency-divided solar hydrogen production and heating coupling system | |
| CN212695196U (en) | A fuel cell hybrid power system suitable for cold start | |
| CN116816601A (en) | Wind power station system based on compressed air and hydrogen production combined energy storage and working method thereof | |
| CN117335490A (en) | Battery combined cooling, heating and power system | |
| CN211959101U (en) | Photovoltaic coupling molten carbonate fuel cell cooling, heating and power system | |
| CN212776797U (en) | Low temperature waste heat recovery device of submerged combustion gasifier in LNG terminal | |
| CN218642847U (en) | PEM water electrolysis hydrogen production system highly coupled with renewable energy | |
| CN216998602U (en) | Photovoltaic power generation hydrogen production system | |
| CN223128006U (en) | Flexible green ammonia synthesis system | |
| CN223414103U (en) | A thermal management system for a hydrogen energy storage power station based on solid-state hydrogen storage | |
| CN222980529U (en) | Combined system of LT-PEMFC and HT-PEMFC | |
| CN223092898U (en) | End plate structure of fuel cell engine | |
| CN221907017U (en) | Wind-solar hydrogen production and green ammonia synthesis system based on molten salt heat storage technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |