CN218561628U - Hydrogen production and hydrogenation process system based on photovoltaic power generation along highway - Google Patents
Hydrogen production and hydrogenation process system based on photovoltaic power generation along highway Download PDFInfo
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- CN218561628U CN218561628U CN202222842870.6U CN202222842870U CN218561628U CN 218561628 U CN218561628 U CN 218561628U CN 202222842870 U CN202222842870 U CN 202222842870U CN 218561628 U CN218561628 U CN 218561628U
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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
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Abstract
The utility model provides a hydrogen production and hydrogenation process system based on photovoltaic power generation along the highway, which comprises a photovoltaic power generation system, a power transmission and transformation system, a water electrolysis hydrogen production and purification system, a hydrogen compression system, a hydrogen storage system and a hydrogen filling system; the output end of the photovoltaic power generation system is connected with the input end of the power transmission and transformation system, the output end of the power transmission and transformation system is electrically connected with the water electrolysis hydrogen production and purification system, the hydrogen output end of the water electrolysis hydrogen production and purification system is connected with the hydrogen storage system through the hydrogen compression system, and the hydrogen filling system is connected with the hydrogen output end of the hydrogen storage system. The hydrogen production and hydrogenation process system is provided with a hydrogen production and hydrogenation integrated station, and a photovoltaic power generation system is arranged near the hydrogen production and hydrogenation integrated station, so that solar energy resources along a high-speed line are efficiently utilized to produce green hydrogen, and the purposes of cleaning the traffic field and developing with low carbon are achieved.
Description
Technical Field
The utility model relates to a hydrogen manufacturing hydrogenation field, especially a hydrogen manufacturing hydrogenation process systems based on photovoltaic power generation along the highway.
Background
The existing production modes of the hydrogenation station are generally as follows: after being prepared by a chemical plant, the hydrogen is compressed to a high-pressure gaseous form of 20MPa and is conveyed to a hydrogenation station through a hydrogen long-tube trailer, and the hydrogenation station is provided with a gas discharging column to unload the hydrogen into a high-pressure hydrogen storage tank and then is filled into a hydrogen fuel automobile by a hydrogenation machine. This mode has two major drawbacks, namely that the volumetric energy density of hydrogen transported by the tube trailer is low, which results in high transportation cost of hydrogen; on the other hand, the transportation process is accompanied by a large amount of carbon emission and is not environment-friendly. At present, partial hydrogen production station projects are built according to a hydrogen production and hydrogenation integrated station, namely, a small water electrolysis hydrogen production device is arranged in the hydrogen production station to reduce the hydrogen transportation cost, but the power supply for water electrolysis hydrogen production of the hydrogen production and hydrogenation integrated station is purchased by a power grid at present, about 5-degree electricity is needed for producing 1 standard cubic meter of hydrogen, the cost of the produced hydrogen is high due to higher electricity price, renewable energy sources are not utilized, the produced hydrogen is not green hydrogen, and the environmental protection property is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydrogen manufacturing hydrogenation process systems based on highway photovoltaic power generation along the line, utilize highway photovoltaic power generation along the line, through short distance direct current power transmission and transformation, with clean green electric power transport to hydrogen manufacturing, the integrative station of hydrogenation, hydrogen that hydrogen manufacturing station utilized green electricity to prepare passes through gas-liquid separation, washing and purification back, it is high-pressure gaseous storage to add hydrogen compressor pressurization, rethread hydrogen fills the dress facility supply and gives hydrogen fuel car, entire system can realize zero carbon, high efficiency, green, clean, and effectively reduce hydrogen cost price.
The utility model discloses the technical means who adopts as follows:
a hydrogen production and hydrogenation process system based on photovoltaic power generation along a highway comprises a photovoltaic power generation system, a power transmission and transformation system, a water electrolysis hydrogen production and purification system, a hydrogen compression system, a hydrogen storage system and a hydrogen filling system; the output end of the photovoltaic power generation system is connected with the input end of the power transmission and transformation system, the output end of the power transmission and transformation system is electrically connected with the water electrolysis hydrogen production and purification system, the hydrogen output end of the water electrolysis hydrogen production and purification system is connected with the hydrogen storage system through the hydrogen compression system, and the hydrogen filling system is connected with the hydrogen output end of the hydrogen storage system.
Preferably, the photovoltaic power generation system comprises photovoltaic power generation components and a junction box, the photovoltaic power generation components are arranged at the positions along a highway, a service area, a side slope and an intercommunicating ring within 2km of a square circle of a hydrogen production and hydrogenation integrated station where the water electrolysis hydrogen production and purification system is located, a plurality of photovoltaic power generation components are arranged at any one of the arrangement positions, and the plurality of photovoltaic power generation components at the arrangement position are connected with the power transmission and transformation system through the junction box.
Preferably, the power transmission and transformation system comprises a DC-DC converter, which is connected to the combiner box via the transmission line.
Preferably, the system for producing hydrogen and purifying by electrolyzing water comprises a device for producing hydrogen by electrolyzing water and a hydrogen purifying device, wherein the device for producing hydrogen by electrolyzing water comprises an electrolytic cell electrically connected with the power transmission and transformation system and a gas-liquid processor connected with the output end of the electrolytic cell, and the hydrogen output end of the gas-liquid processor is connected with the hydrogen purifying device.
Preferably, the hydrogen output end of the hydrogen purification device is connected with the input end of a hydrogen compression system through a hydrogen buffer tank, the hydrogen compression system comprises a hydrogen compressor, and the outlet pressure of the hydrogen compressor is 45-50 MPa.
Preferably, the hydrogen output end of the hydrogen compression system is connected with the input end of a hydrogen storage system, the hydrogen storage system comprises a high-pressure hydrogen storage tank, and the hydrogen storage pressure is 45MPa.
Preferably, the hydrogen filling system comprises a hydrogenation machine, and the hydrogen filling pressure of the hydrogenation machine is 35MPa.
Compared with the prior art, the utility model has the advantages of as follows:
1. the hydrogen production and hydrogenation integrated station is built, so that the long-distance transportation process of hydrogen can be eliminated, the transportation cost of the hydrogen can be saved, and the carbon emission in the transportation process can be avoided.
2. The photovoltaic power generation mode that this patent adopted can effectively utilize the solar energy resource along the high-speed line, and low carbon environmental protection.
3. The DC-DC power transmission device can reduce the investment of power transformation equipment and the power loss of DC-AC and AC-DC conversion when adopting a DC-DC mode to transmit power.
4. The water electrolysis hydrogen production mode that this patent adopted does not have carbon emission, and is clean, high-efficient, and the operation dispatch is nimble.
Drawings
Fig. 1 is a schematic structural diagram of the hydrogen production and hydrogenation process system based on the photovoltaic power generation along the highway.
Wherein:
the photovoltaic power generation device comprises a photovoltaic power generation assembly, a combiner box 2, a power transmission and transformation system 3, a water electrolysis hydrogen production device 4, a hydrogen purification device 5, a hydrogen buffer tank 6, a hydrogen compression system 7, a hydrogen storage system 8 and a hydrogen filling system 9.
Detailed Description
As shown in the figure 1, the hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway is provided and comprises a photovoltaic power generation system, a power transmission and transformation system 3, a water electrolysis hydrogen production and purification system, a hydrogen compression system 7, a hydrogen storage system 8 and a hydrogen filling system 9.
Wherein, the output end of the photovoltaic power generation system is connected with the input end of the power transmission and transformation system 3. Specifically, the photovoltaic power generation system comprises photovoltaic power generation components 1 and a confluence box 2, the photovoltaic power generation components 1 are arranged at the positions of a highway line, a service area, a side slope and an intercommunicating ring within 2km of a square circle of a hydrogen production and hydrogenation integrated station where the hydrogen production and purification system is located, as shown in figure 1, a plurality of photovoltaic power generation components 1 are arranged at any one of the arrangement positions, and the plurality of photovoltaic power generation components 1 at the arrangement positions are connected with a power transmission and transformation system 3 through the confluence box 2. The power transmission and transformation system 3 comprises a DC-DC converter which is connected to all the combiner boxes 2 via a power transmission line.
And the output end of the power transmission and transformation system 3 is electrically connected with the water electrolysis hydrogen production and purification system to provide electric support for hydrogen electrolysis production, and the hydrogen output end of the water electrolysis hydrogen production and purification system is connected with a hydrogen storage system 8 through a hydrogen compression system 7. The water electrolysis hydrogen production and purification system comprises a water electrolysis hydrogen production device 4 and a hydrogen purification device 5, wherein the water electrolysis hydrogen production device 4 comprises an electrolytic cell electrically connected with the power transmission and transformation system 3 and a gas-liquid processor connected with the output end of the electrolytic cell, and the hydrogen output end of the gas-liquid processor is connected with the hydrogen purification device 5. Furthermore, the system for hydrogen production and purification by water electrolysis also comprises a demineralized water preparation device, a demineralized water cooling device, an alkali preparation device, a cooling water device and the like, wherein in the specific process of hydrogen production by electrolysis, alkali liquor in the electrolytic cell starts to decompose under the action of direct current transmitted by the power transmission and transformation system 3, and hydrogen and oxygen are respectively generated on a cathode plate and an anode plate of the electrolytic chamber. The hydrogen and oxygen flow out from the two ends of the electrolytic bath together with the alkali liquor and enter the gas-liquid processor. The gas-liquid processor is internally provided with a hydrogen separation scrubber, an oxygen separator, a hydrogen cooler, a gas-water separator, an alkali liquor circulating pump and other devices. The electrolyte containing hydrogen and oxygen passes through a hydrogen separator and an oxygen separator respectivelyAnd the hydrogen and the electrolytic alkali liquor are subjected to sedimentation separation under the action of gravity, the separated oxygen is discharged to the outside, and the hydrogen is further washed, cooled, separated and removed of liquid drops in a separation device and then enters a hydrogen purification device 5. And the hydrogen purification device 5 is mainly composed of a deoxygenator, a drying tower, and the like. The hydrogen gas is catalyzed by a catalyst in the hydrogen purification device 5 to react with the residual oxygen in the hydrogen gas as follows: 2H 2 +O 2 ＝2H 2 And O, removing oxygen and moisture in the hydrogen after cooling, adsorbing and separating to obtain the high-purity hydrogen with the purity of 99.999 percent.
And the hydrogen output end of the hydrogen purification device 5 is connected with the input end of a hydrogen compression system 7 through a hydrogen buffer tank 6, the hydrogen compression system 7 comprises a hydrogen compressor, and the outlet pressure of the hydrogen compressor is 45-50 MPa. The hydrogen output end of the hydrogen compression system 7 is connected with the input end of the hydrogen storage system 8, the hydrogen storage system 8 comprises a high-pressure hydrogen storage tank, and the hydrogen storage pressure is 45MPa.
And the hydrogen filling system 9 is connected with the hydrogen output end of the hydrogen storage system 8, the hydrogen filling system 9 comprises a hydrogenation machine for filling hydrogen for the hydrogen fuel cell vehicle, and the hydrogen filling pressure of the hydrogenation machine is 35MPa.
Through the hydrogen production and hydrogenation process system, solar energy resources along the highway can be fully utilized for photovoltaic power generation, power is transmitted and transformed in a DC-DC mode to supply power for the electrolytic cell in the hydrogen production and hydrogenation integrated station, the solar energy resources can be effectively utilized, the produced hydrogen is green and clean, and more importantly, the hydrogen transportation cost can be saved and carbon emission in the transportation process can be avoided.
Claims (7)
1. A hydrogen production and hydrogenation process system based on photovoltaic power generation along a highway is characterized by comprising a photovoltaic power generation system, a power transmission and transformation system (3), a water electrolysis hydrogen production and purification system, a hydrogen compression system (7), a hydrogen storage system (8) and a hydrogen filling system (9); the output end of the photovoltaic power generation system is connected with the input end of the power transmission and transformation system (3), the output end of the power transmission and transformation system (3) is electrically connected with the electrolyzed water hydrogen production and purification system, the hydrogen output end of the electrolyzed water hydrogen production and purification system is connected with the hydrogen storage system (8) through the hydrogen compression system (7), and the hydrogen filling system (9) is connected with the hydrogen output end of the hydrogen storage system (8).
2. The hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway according to claim 1, wherein the photovoltaic power generation system comprises photovoltaic power generation components (1) and a header box (2), the arrangement positions of the photovoltaic power generation components (1) are the expressway line, the service area, the side slope and the intercommunicating circle within 2km of a hydrogen production and hydrogenation integrated station where the water electrolysis hydrogen production and purification system is located, a plurality of photovoltaic power generation components (1) are arranged at any arrangement position, and the plurality of photovoltaic power generation components (1) at the arrangement position are connected with the power transmission and transformation system (3) through the header box (2).
3. The hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway as claimed in claim 2, wherein the power transmission and transformation system (3) comprises a DC-DC converter, and the DC-DC converter is connected with the combiner box (2) through a power transmission line.
4. The hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway as claimed in claim 1, wherein the water electrolysis hydrogen production and purification system comprises a water electrolysis hydrogen production device (4) and a hydrogen purification device (5), wherein the water electrolysis hydrogen production device (4) comprises an electrolysis bath electrically connected with the power transmission and transformation system (3), and a gas-liquid processor connected with the output end of the electrolysis bath, and the hydrogen output end of the gas-liquid processor is connected with the hydrogen purification device (5).
5. The hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway of claim 4, wherein a hydrogen output end of the hydrogen purification device (5) is connected with an input end of a hydrogen compression system (7) through a hydrogen buffer tank (6), the hydrogen compression system (7) comprises a hydrogen compressor, and an outlet pressure of the hydrogen compressor is 45 MPa-50 MPa.
6. The hydrogen production and hydrogenation process system based on photovoltaic power generation along the expressway of claim 5, wherein a hydrogen output end of the hydrogen compression system (7) is connected with an input end of a hydrogen storage system (8), the hydrogen storage system (8) comprises a high-pressure hydrogen storage tank, and the hydrogen storage pressure is 45MPa.
7. The hydrogen production and hydrogenation process system based on the photovoltaic power generation along the expressway as claimed in claim 1, wherein the hydrogen filling system (9) comprises a hydrogenation machine, and the hydrogen filling pressure of the hydrogenation machine is 35MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222842870.6U CN218561628U (en) | 2022-10-27 | 2022-10-27 | Hydrogen production and hydrogenation process system based on photovoltaic power generation along highway |
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| CN202222842870.6U CN218561628U (en) | 2022-10-27 | 2022-10-27 | Hydrogen production and hydrogenation process system based on photovoltaic power generation along highway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505042A (en) * | 2023-06-30 | 2023-07-28 | 中石油深圳新能源研究院有限公司 | Hydrogen production device and fuel cell coupled hydrogen production power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505042A (en) * | 2023-06-30 | 2023-07-28 | 中石油深圳新能源研究院有限公司 | Hydrogen production device and fuel cell coupled hydrogen production power generation system |
| CN116505042B (en) * | 2023-06-30 | 2024-01-26 | 中石油深圳新能源研究院有限公司 | Hydrogen production device and fuel cell coupled hydrogen production power generation system |
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