CN217149324U - Residual electricity hydrogen storage device - Google Patents
Residual electricity hydrogen storage device Download PDFInfo
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- CN217149324U CN217149324U CN202123268277.7U CN202123268277U CN217149324U CN 217149324 U CN217149324 U CN 217149324U CN 202123268277 U CN202123268277 U CN 202123268277U CN 217149324 U CN217149324 U CN 217149324U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 285
- 239000001257 hydrogen Substances 0.000 title claims abstract description 285
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 285
- 230000005611 electricity Effects 0.000 title claims abstract description 38
- 239000000446 fuel Substances 0.000 claims abstract description 125
- 239000007789 gas Substances 0.000 claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 claims abstract description 119
- 238000004146 energy storage Methods 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 21
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 11
- 239000002803 fossil fuel Substances 0.000 claims abstract description 7
- 238000010248 power generation Methods 0.000 claims description 41
- 239000012535 impurity Substances 0.000 claims description 35
- 230000001590 oxidative effect Effects 0.000 claims description 31
- 230000003197 catalytic effect Effects 0.000 claims description 29
- 239000012528 membrane Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 23
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 208000018459 dissociative disease Diseases 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- 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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Abstract
The utility model relates to the field of new energy, in particular to a residual electricity hydrogen storage device, which comprises a fuel hydrogen production module, an electrolyzed water hydrogen production module, a fuel cell module, an electricity storage module, a solar power supply module, a solar energy photolysis hydrogen production module, a hydrogen storage module and a control module; the fuel hydrogen production module converts the fossil fuel into energy storage gas containing hydrogen and supplies the energy storage gas to the fuel cell module and the hydrogen storage module; the water electrolysis hydrogen production module converts water into hydrogen and oxygen and supplies the hydrogen and oxygen to the hydrogen storage module; the fuel cell module converts the energy storage gas or hydrogen into electric energy; the electricity storage module and the hydrogen storage module store electricity and hydrogen; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the solar energy photo-hydrolysis hydrogen production module directly converts solar energy into hydrogen and stores the hydrogen by the hydrogen storage module. The utility model has the following characteristics: the dependence on the urban power grid is reduced, and the system is convenient for field use; can stably provide electric energy at high and low temperatures, and has wider application scenes.
Description
Technical Field
The utility model relates to a new forms of energy technical field especially relates to a surplus electric hydrogen storage device.
Background
The hydrogen energy has the characteristics of no pollution, zero emission, low noise, simple and convenient operation and the like, the average hydrogen fuel supplementing time is shortened by 60-70% compared with the charging time, the energy storage density is improved by 50%, and meanwhile, the hydrogen fuel can realize the storage at the temperature of-40 ℃ and the low-temperature starting requirement at the temperature of-30 ℃, and has obvious advantages compared with electric energy in the north or in cold climate environments.
The inventors of the present invention found that: in the prior art, a mains supply grid is usually adopted as a power supply of a traditional electrolytic hydrogen production device, alternating current mains supply is firstly utilized to output direct current through a rectifier to provide a power supply of an electrolyzer, the hydrogen production cost is high, hydrogen energy is generated and supplied heat through a hydrogen fuel cell module, a backup power source is serious in energy waste and low in energy utilization efficiency, and renewable energy sources such as wind power generation, solar power generation and the like are utilized in a field power utilization environment which is separated from a city power supply system, so that the hydrogen production device has more obvious advantages and significance; if the traditional fuel oil engine generating equipment has the problems of large environmental pollution, large noise and the like, the traditional fuel oil engine generating equipment has the defect of difficult overcoming when being used in the field, particularly military or police equipment; the traditional solar power generation has obvious reduction of power generation efficiency at high temperature, and the solar power generation energy charging mode is obviously limited in environments such as desert tropical zone and the like. Therefore, the invention provides equipment which can be used in the field and can be separated from a city power supply grid, particularly can use renewable clean energy to supply power at high temperature and quickly supply power or supply power in a low-temperature environment, and has important significance.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one problem mentioned in the background technology, the novel residual electricity hydrogen storage device is provided based on the wind energy and solar energy power generation module, the solar energy photolysis hydrogen production module and the fuel hydrogen production module, the problems that in the prior art, the energy utilization efficiency is low, the dependence on city power supply is high, the outdoor use is inconvenient, and the output power is low in a low temperature or high environment are solved, the outdoor autonomous power generation or hydrogen production can be realized, and the device is particularly suitable for using renewable clean energy to supply energy at a high temperature and rapidly supplying power or producing hydrogen in an outdoor low temperature environment, and the energy utilization efficiency is improved.
A residual electricity hydrogen storage device comprises a fuel hydrogen production module, an electrolyzed water hydrogen production module, a fuel cell module, an electricity storage module, a solar power supply module, a solar energy photolysis hydrogen production module, a hydrogen storage module and a control module; the fuel hydrogen production module converts fossil fuel into energy storage gas containing hydrogen and supplies the energy storage gas to the fuel cell module and the hydrogen storage module; the water electrolysis hydrogen production module converts water into hydrogen and oxygen and supplies the hydrogen and oxygen to the hydrogen storage module; the fuel cell module converts the energy storage gas or hydrogen into electric energy; the electricity storage module stores the electric energy generated by the fuel cell module and supplies the electric energy to internal electric equipment and external electric equipment of the residual hydrogen storage device; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the solar energy photo-hydrolysis hydrogen production module directly converts solar energy into hydrogen and stores the hydrogen by the hydrogen storage module, and the control module controls the residual electricity hydrogen storage device to operate.
Preferably, the solar photolysis hydrogen production module comprises a light condensing unit at a light inlet, a catalytic unit and a reflecting unit at the back of the catalytic unit.
Preferably, the light condensing unit is a convex lens, and the cross-sectional area of the convex lens is larger than that of the catalytic unit.
Preferably, the catalytic unit comprises a catalytic layer with gaps.
Preferably, the fuel hydrogen production module comprises a feed inlet, a discharge outlet, a reaction chamber and a catalyst; and feeding materials enter through the feeding hole and react in the reaction chamber to form the energy storage gas, and the energy storage gas is discharged out of the fuel hydrogen production module through the discharging hole.
Preferably, the fuel hydrogen production module comprises a mixed oxidizing gas inlet, a mixed oxidizing gas inlet chamber, an oxidizing residual gas outlet and an oxidizing gas filtering membrane tube; the oxidizing gas filtering membrane tube is used for separating oxidizing gas and inert components in the mixed oxidizing gas; the mixed oxidizing gas inlet chamber is a mixed oxidizing gas collection temporary storage space; the oxidation residual gas outlet chamber is a temporary storage space for collecting the oxidation residual gas; the oxidizing gas filtration membrane tube includes at least two open ends.
Preferably, the fuel hydrogen production module comprises an impurity gas outlet chamber, an impurity gas outlet and an impurity gas filtering membrane tube; the impurity gas filtering membrane tube is used for collecting and separating impurity gas in the reaction chamber; the impurity gas filtration membrane tube comprises at least one open end and one closed end.
The beneficial effects include:
the utility model provides a surplus electric hydrogen storage device is based on wind energy, solar energy power generation module, solar energy light hydrolysis hydrogen production module and fuel hydrogen production module, better solution among the prior art energy utilization efficiency low, high to city power supply dependence, be not convenient for under field usage and the low temperature environment output low and the strong light condition problem that solar energy generating efficiency hangs down, can realize field independently electricity generation or hydrogen production, be particularly useful for under the field low temperature environment rapidly power supply or hydrogen production and improved energy utilization efficiency, have following characteristics: 1. the solar energy photo-hydrolysis hydrogen production module is added to solve the problem of low solar energy power generation efficiency under the condition of strong illumination, the light condensing unit is added to enable more area light energy to be utilized, the reflecting unit is added, and the gap is reserved on the catalytic unit to enable the reverse side and the front side of the catalytic unit to be subjected to photo-dissociation reaction, so that the photo-dissociation reaction is more uniform; 2. the wind energy and solar energy power generation module is added, so that the dependence on an urban power grid is reduced, and the solar power generation module is convenient for field use; 3. the fuel hydrogen production module and the fuel cell module are added, so that the energy conversion efficiency and the output power are higher at lower temperature, and the problem of low-temperature output reduction of the storage battery is solved; 4. the electricity storage module, the fuel cell module and the water electrolysis hydrogen production module are added, so that the mutual conversion of hydrogen energy and electric energy can be conveniently carried out, and the application scene is wider; 5. the emergency fuel power generation module is added, so that the output power can be adjusted according to the actual requirement, and the application scene is wider; 6. the fuel hydrogen production module is added with the impurity gas removal membrane tube to remove the impurity gas in the feeding material, so that the high-heat component and hydrogen content in the discharged gas are improved, the energy utilization rate of rear-section combustion equipment and a fuel cell is improved, and carbon deposition and carbon dioxide emission are reduced.
Drawings
FIG. 1 is a schematic view of a residual electric hydrogen storage device;
FIG. 2 is a block diagram of a fuel hydrogen production module of example 1;
FIG. 3 is a structural diagram of a solar photo-hydrolysis hydrogen production module;
a fuel hydrogen production module 1; a mixed oxidizing gas inlet 1-1; a mixed oxidizing gas inlet chamber 1-2; an oxidation residual gas outlet chamber 1-3; 1-4 of an oxidation residual gas outlet; 1-5 parts of an oxidizing gas filtering membrane tube; reformed gas inlets 1-6; reformed gas outlets 1-7; reaction chambers 1-8; impurity gas outlet chambers 1-9; 1-10 parts of an impurity gas outlet; 1-11 parts of impurity gas filtering membrane tubes; 1-12 parts of catalyst;
a solar photo-hydrolysis hydrogen production module 2; a light condensing unit 2-1; catalytic unit 2-2; a catalyst layer 2-2-1; a reflection unit 2-3.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
The embodiment discloses a residual electricity hydrogen storage device, which comprises a fuel hydrogen production module, an electrolyzed water hydrogen production module, a fuel cell module, an electricity storage module, a solar power supply module, a solar energy photolysis hydrogen production module, a hydrogen storage module and a control module; the fuel hydrogen production module converts fossil fuel into energy storage gas containing hydrogen and supplies the energy storage gas to the fuel cell module and the hydrogen storage module; the water electrolysis hydrogen production module converts water into hydrogen and oxygen and supplies the hydrogen and oxygen to the hydrogen storage module; the fuel cell module converts the energy storage gas or hydrogen into electric energy; the electricity storage module stores the electric energy generated by the fuel cell module and supplies the electric energy to internal electric equipment and external electric equipment of the residual hydrogen storage device; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the solar energy photo-hydrolysis hydrogen production module directly converts solar energy into hydrogen and the hydrogen storage module stores the hydrogen and the control module controls the residual electricity hydrogen storage device to operate.
In an alternative embodiment, the solar photolysis hydrogen production module comprises a light condensing unit at a light inlet, a catalytic unit and a reflecting unit at the back of the catalytic unit.
In an alternative embodiment, the light-gathering unit is a convex lens, and the cross-sectional area of the convex lens is larger than that of the catalytic unit.
In an alternative embodiment, the catalytic unit comprises a catalytic layer with slits.
In an alternative embodiment, the fuel hydrogen production module comprises a feed inlet, a discharge outlet, a reaction chamber and a catalyst; the feeding materials enter through the feeding hole and react in the reaction chamber to form energy storage gas, and the energy storage gas is discharged out of the fuel hydrogen production module through the discharging hole.
In an optional embodiment, the fuel hydrogen production module comprises a mixed oxidation gas inlet, a mixed oxidation gas inlet chamber, an oxidation residual gas outlet and an oxidation gas filtering membrane tube; the oxidizing gas filtering membrane tube is used for separating oxidizing gas and inert components in the mixed oxidizing gas; the mixed oxidizing gas inlet chamber is a mixed oxidizing gas collection temporary storage space; the oxidation residual gas outlet chamber is an oxidation residual gas collection temporary storage space; the oxidizing gas filtration membrane tube includes at least two open ends.
In an optional embodiment, the fuel hydrogen production module comprises an impurity gas outlet chamber, an impurity gas outlet and an impurity gas filtering membrane tube; the impurity gas filtering membrane tube is used for collecting and separating impurity gas in the reaction chamber; the impurity gas filtration membrane tube comprises at least one open end and one closed end.
The embodiment also discloses a control module of the residual electric hydrogen storage device, which comprises:
when the residual electric hydrogen storage device is communicated with the urban power grid, the urban power grid is used for charging the energy storage module under the control of the control module to complete energy storage;
and/or when the ambient light intensity>200w/m 2 When the external environment temperature is lower than 40 ℃, the residual electricity and hydrogen storage deviceUnder the control of the control module, the solar power supply module charges the energy storage module to complete energy storage; when the ambient light intensity>200w/m 2 When the external environment temperature is higher than 40 ℃, the residual electric hydrogen storage device is controlled by the control module, and the solar energy photolysis hydrogen production module produces hydrogen and supplies the hydrogen to the hydrogen storage module or the fuel cell module;
and/or when the ambient wind speed is 3-27m/s, the residual electric hydrogen storage device is controlled by the control module, and the wind energy power supply module charges energy to the energy storage module to complete energy storage;
when the residual electric hydrogen storage device cannot be communicated with the urban power grid, the external environment temperature is lower than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to the fuel cell module, the fuel cell module completes power supply to electric equipment inside the residual electric hydrogen storage device and external electric equipment, and the water electrolysis hydrogen production module is closed;
when the residual electric hydrogen storage device cannot be communicated with the urban power grid and the external environment temperature is lower than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to external equipment of the residual electric hydrogen storage device, and the electrolyzed water hydrogen production module is closed;
when the residual electric hydrogen storage device cannot be communicated with the urban power grid, the external environment temperature is higher than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the electricity storage module supplies energy to the water electrolysis hydrogen production module, the water electrolysis hydrogen production module supplies hydrogen and oxygen to internal and external devices supplied by the residual electric hydrogen storage device, and the fuel hydrogen production module is closed;
when the residual electricity hydrogen storage device cannot be communicated with the urban power grid, and one or more combinations of the solar power supply module, the wind power supply module and the fuel hydrogen production module cannot meet the condition that the residual electricity hydrogen storage device supplies energy to external equipment, the emergency fuel power generation module starts to supply energy to the external equipment of the residual electricity hydrogen storage device.
In some alternative embodiments, the reformed gas outlet composition detection means is for detecting a change in the composition of the reformed gas outlet;
in some optional embodiments, the fuel hydrogen production module is fed with diesel oil or methanol, the reaction temperature is 600-900 ℃, and the concentration of carbon dioxide of a reaction product is 20-40% theoretically;
in some alternative embodiments, the fuel cell module employs a high-temperature fuel cell having good compatibility with impurity gases;
in some alternative embodiments, when the residual electric hydrogen storage device is communicated with the urban power grid, the urban power grid is used for charging the energy storage module under the control of the control module to complete energy storage;
in some alternative embodiments, the ambient light intensity is measured when the ambient light intensity is low>200w/m 2 When the residual electric hydrogen storage device is controlled by the control module, the solar power supply module charges the energy storage module to complete energy storage; when the ambient light intensity>200w/m 2 When the external environment temperature is higher than 40 ℃, the residual electric hydrogen storage device is controlled by the control module, and the solar energy photolysis hydrogen production module produces hydrogen and supplies the hydrogen to the hydrogen storage module or the fuel cell module;
in some optional embodiments, when the ambient wind speed is 3-27m/s, the residual electric hydrogen device is controlled by the control module, and the wind energy power supply module charges the energy storage module to complete energy storage;
in some optional embodiments, when the residual electric hydrogen storage device cannot be communicated with the urban power grid, and the external environment temperature is lower than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to the fuel cell module, the fuel cell module completes power supply to electric equipment inside the residual electric hydrogen storage device and external electric equipment, and the electrolyzed water hydrogen production module is closed;
in some optional embodiments, when the residual electric hydrogen storage device and the urban power grid cannot be communicated, and the external environment temperature is lower than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to external equipment of the residual electric hydrogen storage device, and the water electrolysis hydrogen production module is turned off;
in some optional embodiments, when the residual electric hydrogen storage device cannot be communicated with the urban power grid and the external environment temperature is higher than 0 ℃, the residual electric hydrogen storage device is controlled by the control module, the electricity storage module supplies energy to the electrolyzed water hydrogen production module, the electrolyzed water hydrogen production module supplies hydrogen and oxygen to internal and external devices supplied by the residual electric hydrogen storage device, and the fuel hydrogen production module is closed;
in some optional embodiments, when the residual hydrogen storage device cannot be communicated with the urban power grid, and one or more of the combination of the solar power supply module, the wind power supply module and the fuel hydrogen production module cannot meet the condition that the residual hydrogen storage device supplies power to external equipment, the emergency fuel power generation module starts to supply power to the external equipment of the residual hydrogen storage device;
in some optional embodiments, the residual electric hydrogen storage device is added with a wind energy and solar energy power generation module, so that the dependence on an urban power grid is reduced, and the outdoor use is facilitated;
in some optional embodiments, the residual electric hydrogen storage device is added into the fuel hydrogen production module and the fuel cell module, so that the residual electric hydrogen storage device also has higher energy conversion efficiency and larger output power at lower temperature, and the problem of low-temperature output reduction of a storage battery is solved;
in some optional embodiments, the residual electric hydrogen storage device is added with the electric storage module, the fuel cell module and the water electrolysis hydrogen production module, so that mutual conversion of hydrogen energy and electric energy can be conveniently carried out, and the applicable scene is wider;
in some optional embodiments, the residual electric hydrogen storage device is added into the emergency fuel power generation module, so that the output power can be adjusted according to actual requirements, and the application scenarios are wider;
in some optional embodiments, the solar energy hydrolysis hydrogen production module is added to solve the problem of low solar energy power generation efficiency under the condition of strong illumination; adding a light gathering unit makes it possible to utilize more area light energy; the reflection unit is added, and a gap is reserved on the catalytic unit, so that the reverse side and the front side of the catalytic unit can be subjected to photolysis reaction, and the reaction is more uniform;
in some optional embodiments, the fuel hydrogen production module is added with an impurity gas removal membrane tube to remove impurity gas in the feed material, so that the high-heat component and hydrogen content in the outlet gas are improved, the energy utilization rate of the rear-section combustion equipment and the fuel cell is improved, and carbon deposition and carbon dioxide emission are reduced.
Example 1
On the basis of the disclosed embodiment, the residual electricity hydrogen storage device comprises a fuel hydrogen production module 1, an electrolyzed water hydrogen production module, a fuel cell module, an electricity storage module, a solar power supply module, a solar energy photolysis hydrogen production module 2, a hydrogen storage module and a control module as shown in fig. 1; the fuel hydrogen production module converts fossil fuel into energy storage gas containing hydrogen and supplies the energy storage gas to the fuel cell module and the hydrogen storage module; the water electrolysis hydrogen production module converts water into hydrogen and oxygen and supplies the hydrogen and oxygen to the hydrogen storage module; the fuel cell module converts the energy storage gas or hydrogen into electric energy; the electricity storage module stores the electric energy generated by the fuel cell module and supplies the electric energy to internal electric equipment and external electric equipment of the residual hydrogen storage device; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the solar energy photo-hydrolysis hydrogen production module directly converts solar energy into hydrogen and the hydrogen storage module stores the hydrogen and the control module controls the residual electricity hydrogen storage device to operate.
In an optional embodiment, the system further comprises a solar power supply module, a wind power supply module and an emergency fuel power generation module; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the wind energy power supply module converts wind energy into electric energy to supply power to the power storage module; the emergency fuel power generation module directly converts the fossil fuel into electric energy to supply power to the power storage module.
In an alternative embodiment, the fuel hydrogen production module comprises a feed inlet, a discharge outlet, a reaction chamber and a catalyst; the feeding materials enter through the feeding hole and react in the reaction chamber to form energy storage gas, and the energy storage gas is discharged out of the fuel hydrogen production module through the discharging hole.
In an alternative embodiment, as shown in fig. 2, the device comprises a mixed oxidizing gas inlet 1-1, a mixed oxidizing gas inlet chamber 1-2, an oxidizing residual gas outlet chamber 1-3, an oxidizing residual gas outlet 1-4, an oxidizing gas filtering membrane tube 1-5, a fuel gas inlet 1-6, a fuel gas outlet 1-7, a reaction chamber 1-8, an impurity gas outlet chamber 1-9, an impurity gas outlet 1-10 and an impurity gas filtering membrane tube 1-11;
in an alternative embodiment, the feed is diesel; the hydrogen production impurity is carbon dioxide.
In an alternative embodiment, the mixed oxidizing gas is air.
In an alternative embodiment, as shown in fig. 3, the solar photolysis hydrogen production module 2 comprises a light condensing unit 2-1 at a light inlet, a catalytic unit 2-2 and a reflecting unit 2-3 at the back of the catalytic unit; the addition of the light-condensing unit 2-1 makes it possible to utilize more area light energy.
In an alternative embodiment, the light-gathering unit is a convex lens, and the cross-sectional area of the convex lens is larger than that of the catalytic unit 2-2.
In an alternative embodiment, the catalytic unit comprises a catalytic layer 2-2-2 with a gap such that light is incident from the gap into the reflecting unit 2-3 and reflected to the back of the catalytic layer 2-2-2 to make the catalytic layer 2-2-2 react more uniformly.
In an alternative embodiment, the fuel hydrogen production module comprises a feed inlet, a discharge outlet, a reaction chamber and a catalyst; the feeding materials enter through the feeding hole and react in the reaction chamber to form energy storage gas, and the energy storage gas is discharged out of the fuel hydrogen production module through the discharging hole.
The present embodiment discloses a control module of a residual electric hydrogen storage device, which includes:
when the residual electric hydrogen storage device is communicated with the urban power grid, the urban power grid is used for charging the energy storage module under the control of the control module to complete energy storage;
when the ambient illumination intensity is 500- 2 When the temperature is lower than 40 ℃, the residual electric hydrogen storage device is controlled by the control module, and the solar power supply module charges the energy storage module to complete energy storage; when the external environment temperature is higher than 40 ℃, the residual electric hydrogen storage device is controlled by the control module, and the solar energy photolysis hydrogen production module produces hydrogen and supplies the hydrogen to the hydrogen storage module or the fuel cell module;
when the ambient wind speed is 10-27m/s, the residual electric hydrogen storage device is controlled by the control module, and the wind energy power supply module charges energy to the energy storage module to complete energy storage;
when the residual electric hydrogen storage device cannot be communicated with the urban power grid, the external environment temperature is-8 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to the fuel cell module, the fuel cell module completes power supply to electric equipment inside the residual electric hydrogen storage device and external electric equipment, and the electrolyzed water hydrogen production module is closed;
meanwhile, when the residual electric hydrogen storage device cannot be communicated with the urban power grid and the external environment temperature is-8 ℃, the residual electric hydrogen storage device is controlled by the control module, the fuel hydrogen production module continuously supplies energy storage gas to external equipment of the residual electric hydrogen storage device, and the electrolyzed water hydrogen production module is closed;
when the residual electric hydrogen storage device cannot be communicated with the urban power grid, the external environment temperature rises to 10 ℃, the residual electric hydrogen storage device is controlled by the control module, the electricity storage module supplies energy to the water electrolysis hydrogen production module, the water electrolysis hydrogen production module supplies hydrogen and oxygen to internal and external devices of the residual electric hydrogen storage device, and the fuel hydrogen production module is closed;
or when the residual hydrogen storage device cannot be communicated with the urban power grid, and one or more combinations of the solar power supply module, the wind power supply module and the fuel hydrogen production module cannot meet the condition that the residual hydrogen storage device supplies energy to external equipment, the emergency fuel power generation module starts to supply energy to the external equipment of the residual hydrogen storage device.
In some optional embodiments, the solar energy hydrolysis hydrogen production module is added to solve the problem of low solar energy power generation efficiency under the condition of strong illumination; adding a light gathering unit makes it possible to utilize more area light energy; the reflection unit is added, and a gap is reserved on the catalytic unit, so that the reverse side and the front side of the catalytic unit can be subjected to photolysis reaction, and the reaction is more uniform;
in some optional embodiments, the residual electric hydrogen storage device is added with a wind energy and solar energy power generation module, so that the dependence on an urban power grid is reduced, and the outdoor use is facilitated;
in some optional embodiments, the residual electric hydrogen storage device is added into the fuel hydrogen production module and the fuel cell module, so that the residual electric hydrogen storage device also has higher energy conversion efficiency and larger output power at lower temperature, and the problem of low-temperature output reduction of the storage battery is solved;
in some optional embodiments, the residual electric hydrogen storage device is added with the electric storage module, the fuel cell module and the water electrolysis hydrogen production module, so that mutual conversion of hydrogen energy and electric energy can be conveniently carried out, and the applicable scene is wider;
in some optional embodiments, the residual electric hydrogen storage device is added into the emergency fuel power generation module, so that the output power can be adjusted according to actual requirements, and the application scenarios are wider;
in some optional embodiments, the fuel hydrogen production module is added with an impurity gas removal membrane tube to remove impurity gas in the feed material, so that the high-heat component and hydrogen content in the outlet gas are improved, the energy utilization rate of rear-section combustion equipment and a fuel cell is improved, and carbon deposition and carbon dioxide emission are reduced;
in some optional embodiments, the separation of main components and impurity gases in the reformed inlet gas is completed by introducing an impurity gas filtering membrane tube, carbon-containing impurity gases in the inlet gas are removed, so that the contents of high-heat components and hydrogen in the outlet gas are increased, the energy utilization rate of rear-section combustion equipment and a fuel cell is increased, and carbon deposition and carbon dioxide emission are reduced; actual measurement of CO in feed 2 0.035% of CO in the outlet gas of reformed gas 2 The content is 0.1 percent and is less than 20 to 40 percent of theory, thereby proving the beneficial effect.
Comparative example 1
Based on the disclosed embodiment, the embodiment discloses a residual electric hydrogen storage device, which is the same as the embodiment 1 and is used for comparing the power generation efficiency of an internal combustion diesel engine and the energy utilization efficiency of a fuel hydrogen production and fuel cell module. The specific mode is that the diesel oil consumption of the system emergency power generation diesel engine set and the fuel hydrogen production module in unit time of 1h is recorded, wherein the diesel engine generator, the fuel hydrogen production and the fuel power generation are subjected to the same heat preservation treatment, the actual generated energy is counted, and the test result is as follows:
| test group | Theoretical output power/KW | Actual output Power/KW | Theoretical energy utilization efficiency | Actual fuel consumption | Actual energy utilization efficiency |
| Diesel generator | 50 | 48 | 42％ | 15L/h | 38.5％ |
| Fuel hydrogen production and fuel power generation | 5 | 4.8 | - | 1.1L/h | 62.1％ |
The test result shows that the actual energy utilization rate of the diesel generator is 38.5 percent which is far lower than 62.1 percent of the fuel hydrogen production and fuel power generation, which shows that the fuel hydrogen production and fuel cell power generation technology has higher energy utilization efficiency than the internal combustion diesel generator technology in the prior art.
Comparative example 2
On the basis of the disclosed embodiment, the embodiment discloses a residual electricity hydrogen storage device, which is the same as the embodiment 1, is used for comparing the electric energy output powers of an electricity storage module and a fuel hydrogen production and fuel cell module, the test temperatures are respectively 25 ℃, 5 ℃, 15 ℃, 25 ℃ and-35 ℃, the fuel hydrogen production and fuel cell module and the electricity storage module are adopted to respectively obtain 5kw output powers at the room temperature of 25 ℃, the maximum energy storage of the electricity storage module is 30kw h, the electricity storage module is respectively connected with a 5kw electric appliance and an electric meter, the actual output average power and the actual energy storage are recorded, and the test results are as follows:
according to test results, the output power and the output stored energy of the electricity storage module or the common storage battery are obviously reduced along with the reduction of the temperature at different temperatures, and are reduced by about 55 percent at minus 35 ℃ compared with 25 ℃ at room temperature; the output power and the output stored energy of the fuel hydrogen production and the fuel power generation are not obviously reduced along with the temperature reduction at different temperatures, and are only reduced by about 13 percent at minus 35 ℃ compared with 25 ℃ at room temperature. This shows that the fuel hydrogen production and fuel cell power generation technology has higher output power, output electric quantity and better stability than the power storage technology in the prior art in the low temperature environment.
Comparative example 3
Based on the disclosed embodiment, this embodiment discloses a residual electric hydrogen storage device, which is the same as that in embodiment 1, and is used for comparing the temperature at 25 deg.C and 65 deg.C with 800w/m 2 Photovoltaic power generation and photolysis hydrogen production electric energy output power under the illuminance, wherein the photolysis hydrogen production is supplied to the fuel cell module for power generation, is connected with 5kw electrical apparatus and ammeter respectively, records the actual output average power and the stored energy, and the test result is as follows:
according to the test result, the output power of the photovoltaic power generation is reduced from 19.2% to 10.2% at 65 ℃ compared with 25 ℃; and the output power of the photolysis hydrogen production and fuel power generation is reduced slightly at 65 ℃ compared with 25 ℃ and is more than that of photovoltaic power generation at the same temperature at 65 ℃. This shows that the photolysis hydrogen production and fuel power generation technology has higher output power, output electric quantity, energy conversion efficiency and better power generation stability at the air temperature of more than 40 ℃ compared with the photovoltaic power generation technology in the prior art.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and effects of the present invention, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The residual electricity hydrogen storage device is characterized by comprising a fuel hydrogen production module, an electrolyzed water hydrogen production module, a fuel cell module, an electricity storage module, a solar power supply module, a solar energy photolysis hydrogen production module, a hydrogen storage module and a control module; the fuel hydrogen production module converts fossil fuel into energy storage gas containing hydrogen and supplies the energy storage gas to the fuel cell module and the hydrogen storage module; the water electrolysis hydrogen production module converts water into hydrogen and oxygen and supplies the hydrogen and oxygen to the hydrogen storage module; the fuel cell module converts the energy storage gas or hydrogen into electric energy; the electricity storage module stores the electric energy generated by the fuel cell module and supplies the electric energy to internal electric equipment and external electric equipment of the residual hydrogen storage device; the solar power supply module converts solar energy into electric energy to supply power to the power storage module; the solar energy photo-hydrolysis hydrogen production module directly converts solar energy into hydrogen and stores the hydrogen by the hydrogen storage module, and the control module controls the residual electricity hydrogen storage device to operate.
2. The residual electric hydrogen storage device according to claim 1, wherein the solar photolysis hydrogen production module comprises a light condensing unit at a light inlet, a catalytic unit and a reflecting unit at the back of the catalytic unit.
3. The residual electric hydrogen storage device according to claim 2, wherein the light condensing unit is a convex lens, and the cross-sectional area of the convex lens is larger than that of the catalytic unit.
4. A residual electrical hydrogen storage device according to claim 3, wherein the catalytic unit comprises a catalytic layer with a gap.
5. The residual electric hydrogen storage device according to claim 1, further comprising a wind energy power supply module and an emergency fuel power generation module; the wind energy power supply module converts wind energy into electric energy to supply power to the power storage module; the emergency fuel power generation module directly converts the fossil fuel into electric energy to supply power to the power storage module.
6. The residual electric hydrogen storage device according to claim 1, wherein the fuel hydrogen production module comprises a feed inlet, a discharge outlet, a reaction chamber and a catalyst; and feeding materials enter through the feeding hole and react in the reaction chamber to form the energy storage gas, and the energy storage gas is discharged out of the fuel hydrogen production module through the discharging hole.
7. The residual electric hydrogen storage device according to claim 6, wherein the fuel hydrogen production module further comprises a mixed oxidation gas inlet, a mixed oxidation gas inlet chamber, an oxidation residual gas outlet and an oxidation gas filtering membrane tube; the oxidizing gas filtering membrane tube is used for separating oxidizing gas and inert components in the mixed oxidizing gas; the mixed oxidizing gas inlet chamber is a mixed oxidizing gas collection temporary storage space; the oxidation residual gas outlet chamber is a temporary storage space for collecting the oxidation residual gas; the oxidizing gas filtration membrane tube includes at least two open ends.
8. The residual electric hydrogen storage device according to claim 7, wherein the fuel hydrogen production module comprises an impurity gas outlet chamber, an impurity gas outlet and an impurity gas filtering membrane tube; the impurity gas filtering membrane tube is used for collecting and separating impurity gas in the reaction chamber; the impurity gas filtration membrane tube comprises at least one open end and one closed end.
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