CN114855189A - Novel renewable energy hydrogen production system - Google Patents
Novel renewable energy hydrogen production system Download PDFInfo
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- CN114855189A CN114855189A CN202210415855.5A CN202210415855A CN114855189A CN 114855189 A CN114855189 A CN 114855189A CN 202210415855 A CN202210415855 A CN 202210415855A CN 114855189 A CN114855189 A CN 114855189A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 90
- 239000001257 hydrogen Substances 0.000 title claims abstract description 89
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000005338 heat storage Methods 0.000 claims abstract description 22
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims description 36
- 238000009792 diffusion process Methods 0.000 claims description 23
- 239000012528 membrane Substances 0.000 claims description 22
- 238000005868 electrolysis reaction Methods 0.000 claims description 21
- 238000012216 screening Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 17
- 125000004430 oxygen atom Chemical group O* 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract 1
- -1 hydrogen ions Chemical class 0.000 description 10
- 230000005684 electric field Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000003574 free electron Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 2
- 239000003011 anion exchange membrane Substances 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
- C25B1/042—Hydrogen or oxygen by electrolysis of water by electrolysis of steam
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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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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- 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 invention discloses a novel renewable energy hydrogen production system, which comprises: the invention stores valley electricity or green electricity in the form of steam or hot water through the steam heat storage tank to provide raw materials for hydrogen production, and the steam enters the first plasma device to be ionized into H + And OH ‑ Is prepared from H + Filtering by a first proton exchange device to obtain residual OH ‑ Re-entering the second plasma device to be ionized into H + And an oxygen atom, reacting H + Filtering with a second proton exchange device to obtain H + H is generated after gathering and adding electrons 2 The oxygen atom is composed of oxygen. The invention can adjust the hydrogen production power in a wide range, adapts to the fluctuation and uncertainty of green electricity, can improve the current density and efficiency of hydrogen production, and simultaneously ensures higher hydrogen purity.
Description
Technical Field
The invention relates to the technical field of hydrogen production systems, in particular to a novel renewable energy hydrogen production system.
Background
The hydrogen energy is green energy which can simultaneously solve the problems of energy crisis and environmental pollution in the future and is the development trend of the future energy; the safety and stability of a power system can be greatly improved by electrolyzing water to prepare hydrogen and store energy by using renewable energy sources such as wind, light and the like, the energy is almost free of pollution emission, the hydrogen production potential of the renewable energy sources in China is huge, the hydrogen production potential becomes the largest global renewable energy source investment country in 8 continuous years, the installed capacities of the renewable energy sources such as wind power, photovoltaic and the like are the first in the world, and the application prospect is very wide. The national and local governments are actively laying out the hydrogen energy development strategy, gradually perfecting the hydrogen energy policy system and realizing the key technology and material localization of hydrogen production as soon as possible.
In four current technical routes of renewable energy hydrogen production (alkaline water electrolysis (AEW), proton exchange membrane water electrolysis (PEM), anion exchange membrane water electrolysis (AEM) and solid oxide water electrolysis (SOE)) in China, the anion exchange membrane water electrolysis (AEM) is still in a laboratory stage; the hydrogen production technology route of alkaline water electrolysis (AEW) is mature, the economy is better, but the problems of small hydrogen production capacity of monomers, small current density, large occupied area and the like exist; the solid oxide water electrolysis (SOEC) hydrogen production technology has poor maturity and high investment cost, and is in a small demonstration stage; the proton exchange membrane water electrolysis (PEM) hydrogen production current density is high, the efficiency is high, the electrolytic cell is small in size and flexible in operation, but the development time in China is short, the equipment power and the economy are still further broken through, particularly, a large control system is needed for real-time detection and measurement, data communication and transmission in large-scale hydrogen production, most importantly, the hydrogen production equipment needs a high-efficiency low-cost hydrogen production system capable of adapting to wide power fluctuation, and large-scale hydrogen production is possible, but the current technology cannot be realized.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel renewable energy hydrogen production system which can adjust the hydrogen production power in a wide range, adapt to the fluctuation and uncertainty of green electricity, reduce the influence of the fluctuation of the green electricity on the hydrogen production system to zero, improve the current density and efficiency of hydrogen production, ensure higher hydrogen purity, reduce the operation cost of hydrogen production and prolong the service life of an electrode.
The invention provides a novel renewable energy hydrogen production system, which comprises:
the steam heat storage tank is internally provided with a steam generator for preparing steam;
the first plasma device is communicated with the steam heat storage tank, the water vapor enters the first plasma device, and the water vapor is ionized to generate particle clusters;
a first proton exchange device communicated with the first plasma device, wherein the particle groups enter the first proton exchange device, and the first proton exchange device is used for exchanging H in the particle groups + Screening and electrolysis to H 2 ；
A second plasma device communicated with the first proton exchange device, wherein the particle groups in the first proton exchange device enter the second plasma device, and the second plasma device is used for removing OH in the particle groups - Ionization for H production + And 0;
a second proton exchange device communicated with the second plasma device, wherein the particle groups in the second plasma device enter the second proton exchange device, and the second proton exchange device is used for exchanging H in the particle groups + Screening and electrolysis to H 2 。
As a further improvement of the present invention, the first plasma device includes a first cylinder and a first end plate, both ends of the first cylinder are hermetically fixed with the first end plate, and the inside of the first cylinder is a sealed cavity for ionized water vapor.
As a further improvement of the present invention, a first inner electrode is disposed inside the first cylinder, two ends of the first inner electrode are respectively fixed on the first end plates at the corresponding ends, a first outer electrode is disposed on the outer side wall of the first cylinder, and the first inner electrode and the first outer electrode are respectively electrically connected to two poles of the first plasma power supply.
As a further improvement of the invention, a condensed water channel is arranged on the first cylinder, the condensed water channel is communicated with an inlet of a water condenser through a pipeline, and an outlet of the water condenser is communicated with the steam heat storage tank.
As a further improvement of the present invention, the first proton exchange device includes a first proton exchange membrane, a first proton diffusion layer and a first hydrogen storage tank, the first proton diffusion layer and the first hydrogen storage tank are respectively disposed at two ends of the first proton exchange membrane, the first proton diffusion layer is connected to the first plasma device, and a first negative plate is disposed in the first hydrogen storage tank and is used for providing electrons.
As a further improvement of the present invention, the second plasma device includes a second cylinder and a second end plate, both ends of the second cylinder are hermetically fixed with the second end plate, the inside of the second cylinder is a sealed cavity for ionized particle clusters, and the sealed cavity is communicated with the first proton diffusion layer of the first proton exchange device.
As a further improvement of the present invention, a second inner electrode is disposed inside the second cylinder, two ends of the second inner electrode are respectively fixed on the second end plates at the corresponding ends, a second outer electrode is disposed on the outer side wall of the second cylinder, and the second inner electrode and the second outer electrode are respectively electrically connected to two poles of a second plasma power supply.
As a further improvement of the present invention, the second proton exchange device includes a second proton exchange membrane, a second proton diffusion layer and a second hydrogen storage tank, the second proton diffusion layer and the second hydrogen storage tank are respectively disposed at two ends of the second proton exchange membrane, the second proton diffusion layer is connected to the second plasma device, and a second negative plate is disposed in the second hydrogen storage tank and is used for providing electrons.
As a further improvement of the present invention, the hydrogen production system further comprises a negative high-voltage power supply, one pole of the negative high-voltage power supply is grounded to obtain electrons, and the other pole of the negative high-voltage power supply is electrically connected with the first negative plate and the second negative plate respectively to transmit the obtained electrons to the first negative plate and the second negative plate respectively.
As a further development of the invention, an oxygen reservoir is also connected to the second proton diffusion layer.
The invention has the beneficial effects that:
the invention relates to a novel renewable energy hydrogen production system, which is characterized in that firstly, the flow of water vapor and the power of a plasma device are adjusted to adapt to the characteristic fluctuation curve of green electricity, the stable operation of the system is ensured by combining valley electricity and daily electricity consumption, and the hydrogen production power can be adjusted in a wide range; secondly, the fluctuating electric energy is converted into steam or hot water by a steam heat storage box for storing energy, and the steam or hot water is released when needed, so that the influence of the fluctuation of green electricity on a hydrogen production system can be reduced to zero; moreover, the hydrogen ion filtration is carried out by utilizing the dual plasma device and the proton exchange device, the purity is high, the high-power negative plate is combined to provide strong electric field force, the current density and the efficiency of hydrogen production are improved, and meanwhile, the higher hydrogen purity is ensured; and finally, a negative high-voltage power supply is utilized to extract free electrons from the ground and emit the electrons to a negative plate, so that low-cost electrons are provided for hydrogen ions to generate hydrogen, meanwhile, an electrolysis power supply can be replaced, the hydrogen production power consumption is greatly reduced, the service life of the electrode is prolonged, catalyst ionization is not needed, and the service life of a proton exchange device is prolonged.
Drawings
FIG. 1 is a schematic plan view of a novel renewable energy hydrogen production system according to the present invention;
the reference numbers in the figures illustrate:
10. a first plasma device; 11. a first cylinder; 12. a first end plate; 13. a first internal electrode; 14. A first external electrode; 15. a first plasma power supply; 16. a condensed water channel; 17. a water condenser; 18. a steam heat storage tank; 20. a first proton exchange device; 21. a first proton diffusion layer; 22. a first proton exchange membrane; 23. a first hydrogen tank; 24. a first negative plate; 30. a second plasma device; 31. a second cylinder; 32. a second end plate; 33. a second internal electrode; 34. a second external electrode; 35. a second plasma power supply; 40. a second proton exchange device; 41. a second proton exchange membrane; 42. a second proton diffusion layer; 43. An oxygen reservoir; 44. a second hydrogen tank; 45. a second negative plate; 50. a negative high voltage power supply.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, one embodiment of a novel renewable energy hydrogen production system of the present invention;
a novel renewable energy hydrogen production system comprising:
a steam heat storage tank 18, wherein a steam generator for producing steam is arranged in the steam heat storage tank 18; the main power source of the steam heat storage tank 18 is electric energy, the steam generator produces low-temperature steam through the electric energy, the flow and the temperature of the steam can be adjusted, the steam heat storage tank 18 is the part with the highest energy consumption in the whole system, renewable energy sources (solar energy, wind energy and the like) can be used for generating electricity and storing steam or hot water by off-peak electricity, the steam generator is arranged in the steam heat storage tank, the steam is provided at any time, namely, the steam heat storage tank 18 is used for converting fluctuating electric energy into steam or hot water for storing energy, and the energy is released when needed, so that the influence of the fluctuation of green electricity on the hydrogen production system can be reduced to zero;
a first plasma device 10, wherein the first plasma device 10 is communicated with the steam heat storage tank 18, the water vapor enters the first plasma device 10, and the water vapor is ionized to generate particle clusters; specifically, water vapor enters the first plasma device 10 and is ionized as H + And OH - I.e., hydrogen ions and hydroxide ions.
A first proton exchange device 20, wherein the first proton exchange device 20 is connected with the first plasma device 10, the particle groups enter the first proton exchange device 20, and the first proton exchange device 20 is used for exchanging H in the particle groups + Screening and electrolysis to H 2 I.e. oxygen.
A second plasma device 30, wherein the second plasma device 30 is communicated with the first proton exchange device 20, and the particle groups in the first proton exchange device 20 enter the second plasma device 30The second plasma device 30 is used for removing OH in the particle cluster - Ionization for H production + And 0, i.e., hydrogen ions and oxygen atoms.
A second proton exchange device 40, wherein the second proton exchange device 40 is communicated with the second plasma device 30, the particle groups in the second plasma device 30 enter the second proton exchange device 40, and the second proton exchange device 40 is used for exchanging H in the particle groups + Screening and electrolysis to H 2 The hydrogen ion filtration is carried out by utilizing the dual plasma device and the proton exchange device, the purity is high, the high-power negative plate is combined to provide strong electric field force, the current density and the efficiency of hydrogen production are improved, and meanwhile, the higher hydrogen purity is ensured.
In a specific embodiment, the first plasma device 10 includes a first cylinder 11 and a first end plate 12 which are insulated from each other, the first end plate 12 is fixed to both ends of the first cylinder 11, a sealed cavity for ionized water vapor is formed inside the first cylinder 11, a first inner electrode 13 is arranged inside the first cylinder 11, the first inner electrode 13 is a threaded pipe, both ends of the first inner electrode 13 are fixed to the first end plate 12 at the corresponding end, respectively, a first outer electrode 14 is arranged on the outer side wall of the first cylinder 11, the first outer electrode 14 is a nickel-chromium sheet coil wound on the outer wall of the first cylinder 11, and the first inner electrode 13 and the first outer electrode 14 are electrically connected to two poles of the first plasma power supply 15, respectively.
The first plasma power supply 15 is an alternating current high voltage power supply, a high frequency and high voltage electric field can be generated in the insulated first cylinder 11 after the two electrodes are connected with the power supply, and water vapor can be ionized into a plasma state under the action of alternating current electric field oscillation after entering the insulated first cylinder 11, so that the particle cluster is formed, and the particle cluster mainly comprises H + 、e - And OH - That is, hydrogen ions, electrons and hydroxyl ions, in the plasma process, because no current is generated between the two electrodes and only strong magnetic field force with extremely high energy density is generated, the power consumption is very low, water molecules are easily decomposed into particle groups by utilizing the strong magnetic field force, and the electric energy of water electrolysis is greatly improvedThe use efficiency and the energy consumption of water electrolysis are reduced.
In a specific embodiment, a condensed water channel 16 is arranged on the first cylinder 11, the condensed water channel 16 is communicated with an inlet of a water condenser 17 through a pipeline, an outlet of the water condenser 17 is communicated with the steam heat storage tank 18, the water condenser 17 collects, condenses and conveys non-ionized condensed water and steam in the first plasma device 10 to a steam generator of the steam heat storage tank 18, the flow of the steam and the power of the plasma device are adjusted to adapt to a characteristic fluctuation curve of green electricity, stable operation of the system is ensured by combining valley electricity and daily electricity, the hydrogen production power can be adjusted in a wide range, meanwhile, the steam heat storage tank 18 converts fluctuant electric energy into steam or hot water for energy storage, and the steam or hot water is released when needed, so that the influence of the fluctuation of the green electricity on the hydrogen production system is reduced to zero.
In an embodiment, the first proton exchange device 20 includes a first proton exchange membrane 22, a first proton diffusion layer 21 and a first hydrogen storage tank 23 respectively disposed at two ends of the first proton exchange membrane 22, the first proton diffusion layer 21 is connected to the first plasma device 10, a first negative plate 24 is disposed in the first hydrogen storage tank 23, the first negative plate 24 is used for providing electrons, and the water vapor enters the first plasma device 10 to be ionized into high-energy clusters, and the clusters are mainly H + 、e - And OH - The high energy clusters enter the first proton exchange device 20, H + Passes through first proton exchange membrane 22 and is attracted by first negative plate 24, H + H is generated by taking electrons from first negative plate 24 2 The remaining high-energy particle group (main component is e) - 、OH - ) And then into the second plasma device 30.
In a specific embodiment, the second plasma device 30 includes a second cylinder 31 and a second end plate 32, both ends of the second cylinder 31 are fixed with the second end plate 32 in a sealing manner, the inside of the second cylinder 31 is a sealed cavity for ionizing particle clusters, and the sealed cavity is communicated with the first proton diffusion layer 21 of the first proton exchange device 20; the inside of second barrel 31 is equipped with second internal electrode 33, and second internal electrode 33 is the screw thread pipe, the both ends of second internal electrode 33 are fixed respectively on the second end plate 32 of corresponding end, the lateral wall of second barrel 31 is equipped with second external electrode 34, and this second external electrode 34 is the nickel chromium piece coil of coiling on second barrel 31 outer wall, second internal electrode 33 and second external electrode 34 respectively with second two poles of the earth electric connection of second plasma power 35.
The second plasma power supply 35 is an alternating current high voltage power supply, and after the two electrodes are connected with the power supply, a high frequency and high voltage electric field is generated in the insulated second cylinder 31, and OH in the particle clusters - After entering the insulating second cylinder 31, it will be ionized into plasma state under the action of the oscillation of the alternating current electric field, specifically, OH-will be ionized into H + And e-O, namely hydrogen ions, electrons and oxygen atoms, in the plasma process, because current is not generated between the two electrodes and only strong magnetic field force with extremely high energy density is generated, the power consumption is very low, water molecules are easily decomposed into particle groups by utilizing the strong magnetic field force, the electric energy use efficiency of water electrolysis is greatly improved, and the energy consumption of the water electrolysis is reduced.
In a specific embodiment, the second proton exchange device 40 includes a second proton exchange membrane 41, a second proton diffusion layer 42 and a second hydrogen storage tank 44 respectively disposed at two ends of the second proton exchange membrane 41, the second proton diffusion layer 42 is connected to the second plasma device 30, a second negative plate 45 is disposed in the second hydrogen storage tank 44, the second negative plate 45 is used for providing electrons, an oxygen reservoir 43 is connected to the second proton diffusion layer 42, the oxygen reservoir 43 is used for storing oxygen and a metal furnace is disposed therein, electrons can be released, and specifically, high-energy particle clusters (mainly having a composition of H) formed by ionization in the second plasma device 30 are released + 、e - And O) into the second proton exchange device 40, H + Passes through the second proton exchange membrane 41 and is attracted by the second negative electrode plate 45, H + H is generated by taking electrons from the second negative electrode plate 45 2 The remaining oxygen atoms and free electrons enter the oxygen reservoir 43 to release electrons, thereby obtaining pure oxygen.
In an embodiment, the hydrogen production system further includes a negative high voltage power supply 50, which has the function of an electron emitter, that is, one pole of the negative high voltage power supply 50 is grounded to obtain electrons, and the other pole of the negative high voltage power supply 50 is electrically connected to the first negative plate 24 and the second negative plate 45 respectively to deliver the obtained electrons to the first negative plate 24 and the second negative plate 45 respectively, that is, one pole of the negative high voltage power supply 50 is grounded and extracts free electrons and continuously delivers the free electrons to the negative plates, so as to provide power for hydrogen ions to pass through the proton exchange membrane while providing electrons for hydrogen ions.
Compared with PEM (proton exchange membrane) water electrolysis hydrogen production, the PEM water electrolysis hydrogen production system can reduce the power consumption by 30-60% under the condition of using the same power (renewable energy power generation or industrial and commercial power utilization), can improve the hydrogen production power and purity, can adjust the hydrogen production power in a wide range, is hardly influenced by the mobility of green waves, and only needs to be provided with a low-cost steam heat storage box in order to use the green electricity to store energy in the conventional PEM hydrogen production technology, so that the system investment is reduced by more than 30%.
When the invention is used:
firstly, the water vapor produced in the steam heat storage tank 18 is introduced into the first plasma device 10, that is, the water vapor enters the insulated first cylinder 11 and is ionized into a plasma state under the action of the oscillation of the alternating current electric field, so that the particle clusters mainly comprising H are formed + E-and OH-, the non-ionized condensed water and water vapor in the first plasma device 10 are collected by the water condenser 17, condensed and delivered to the steam generator of the steam heat storage tank 18;
next, the particle clusters (mainly H in composition) in the first plasma apparatus 10 + E-and OH - ) Into the first proton exchange means 20, i.e. H + Passes through first proton exchange membrane 22 and is attracted by first negative plate 24, H + After taking electrons from first negative plate 24To H 2 The remaining particle group (main component e) - 、OH - ) And then enters the second plasma device 30;
further, the remaining clusters (main component e) - 、OH - ) OH in the remaining clusters after re-entering the second plasma device 30 - After entering the insulating second cylinder 31, the second cylinder is ionized into a plasma state, specifically, OH - Is ionized into H + 、e - O, i.e. hydrogen ions, electrons and oxygen atoms;
finally, the particle mass (mainly H in composition) in the second plasma device 30 + 、e - And O) into the second proton exchange device 40, i.e., H + Passes through the second proton exchange membrane 41 and is attracted by the second negative electrode plate 45, H + H is generated by taking electrons from the second negative electrode plate 45 2 The remaining oxygen atoms and free electrons enter the oxygen reservoir 43 to release electrons and then pure oxygen is obtained.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A novel renewable energy hydrogen production system is characterized by comprising:
the steam heat storage tank is internally provided with a steam generator for preparing steam;
the first plasma device is communicated with the steam heat storage tank, the water vapor enters the first plasma device, and the water vapor is ionized to generate particle clusters;
a first proton exchange device communicated with the first plasma device, wherein the particle groups enter the first proton exchange device, and the first proton exchange device is used for exchanging the particles in the particle groupsH + Screening and electrolysis to H 2 ；
A second plasma device communicated with the first proton exchange device, wherein the particle groups in the first proton exchange device enter the second plasma device, and the second plasma device is used for removing OH in the particle groups - Ionization for H production + And 0;
a second proton exchange device communicated with the second plasma device, wherein the particle groups in the second plasma device enter the second proton exchange device, and the second proton exchange device is used for exchanging H in the particle groups + Screening and electrolysis to H 2 。
2. The novel renewable energy hydrogen production system according to claim 1, wherein the first plasma device comprises a first cylinder and a first end plate which are insulated from each other, the first end plate is hermetically fixed to both ends of the first cylinder, and a sealed cavity for ionized water vapor is formed inside the first cylinder.
3. The novel renewable energy hydrogen production system according to claim 2, wherein a first inner electrode is arranged inside the first cylinder, two ends of the first inner electrode are respectively fixed on the first end plates at the corresponding ends, a first outer electrode is arranged on the outer side wall of the first cylinder, and the first inner electrode and the first outer electrode are respectively electrically connected with two poles of the first plasma power supply.
4. The system for producing hydrogen by using renewable energy sources as claimed in claim 2, wherein a condensed water channel is arranged on the first cylinder, the condensed water channel is communicated with an inlet of a water condenser through a pipeline, and an outlet of the water condenser is communicated with the steam heat storage tank.
5. The system for producing hydrogen from renewable energy source as claimed in claim 1, wherein the first proton exchange device comprises a first proton exchange membrane, a first proton diffusion layer and a first hydrogen storage tank, the first proton diffusion layer and the first hydrogen storage tank are respectively disposed at two ends of the first proton exchange membrane, the first proton diffusion layer is connected to the first plasma device, and a first negative plate is disposed in the first hydrogen storage tank and is used for providing electrons.
6. The novel renewable energy hydrogen production system according to claim 5, wherein the second plasma device comprises a second cylinder and a second end plate which are insulated from each other, the second end plate is hermetically fixed to both ends of the second cylinder, and a sealed cavity for ionizing particle clusters is arranged inside the second cylinder and is communicated with the first proton diffusion layer of the first proton exchange device.
7. The novel renewable energy hydrogen production system according to claim 6, wherein a second inner electrode is arranged inside the second cylinder, two ends of the second inner electrode are respectively fixed on a second end plate at the corresponding end, a second outer electrode is arranged on the outer side wall of the second cylinder, and the second inner electrode and the second outer electrode are respectively electrically connected with two poles of a second plasma power supply.
8. The system for producing hydrogen from renewable energy source as claimed in claim 5, wherein the second proton exchange device comprises a second proton exchange membrane, a second proton diffusion layer and a second hydrogen storage tank respectively disposed at two ends of the second proton exchange membrane, the second proton diffusion layer is connected to the second plasma device, and a second negative plate is disposed in the second hydrogen storage tank and is used for providing electrons.
9. The system for producing hydrogen from renewable energy source as claimed in claim 8, further comprising a negative high voltage power source, one pole of the negative high voltage power source is grounded to obtain electrons, and the other pole of the negative high voltage power source is electrically connected with the first negative plate and the second negative plate respectively to transmit the obtained electrons to the first negative plate and the second negative plate respectively.
10. The system for producing hydrogen from renewable energy source as claimed in claim 8, wherein the oxygen reservoir is connected to the second proton diffusion layer.
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Effective date of registration: 20240115 Address after: Room 1103, Building 17, Yulongwan Garden, Xinbei District, Changzhou City, Jiangsu Province, 213000 Applicant after: Wan Wenlei Address before: 215537 No. 8, Tongda Road, Changshu Economic and Technological Development Zone, Suzhou, Jiangsu Province Applicant before: Changshu Hengtong New Energy Industry Research Institute Co.,Ltd. |
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Inventor after: Wang Yongzhong Inventor after: Wan Wenlei Inventor before: Wang Yongzhong |