Device for photocatalytic hydrogen production

By using transparent cover, water filter core cloth, electrode plate and enhanced light catalytic lamp in the photocatalytic hydrogen production device, the problem of insufficient light and hydrogen recombination in the existing device is solved, and a more efficient photocatalytic hydrogen production effect is achieved.

CN119733462AActive Publication Date: 2025-04-01SHAANXI COAL IND NEW ENERGY HYDROGEN ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510261219.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-04-01
Estimated Expiration
2045-03-06

AI Technical Summary

Technical Problem

The existing photocatalytic hydrogen production device is not easy to fully irradiate the water liquid during use, resulting in low efficiency of catalytic hydrogen production, and hydrogen is easily recombined into water during hydrogen production, resulting in a decrease in hydrogen production efficiency.

Method used

A device including a transparent cover, a water filter element cloth, an electrode plate and a catalytic lamp for enhanced light was designed. The transparent cover conveys light and allows the water to fully illuminate. The electrode plate at the bottom of the water filter element cloth provides an electric field force to separate hydrogen ions and oxygen ions, preventing them from recombining, and strengthening the light-emitting catalytic lamp to further improve the catalytic efficiency.

Benefits of technology

By fully utilizing light and electric field forces, the efficiency of photocatalytic hydrogen production is improved, and the hydrogen production efficiency and effect are significantly improved.

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Abstract

The invention discloses a device for photocatalytic hydrogen production, and particularly relates to the technical field of photocatalytic hydrogen, the device comprises a base, a catalytic assembly is arranged on the base, the catalytic assembly comprises a liquid storage barrel mounted on the base through a bolt, and the top of the liquid storage barrel is in threaded connection with a gas gathering cover for gathering gas; and a transparent cover for transmitting light is arranged in the middle of the liquid storage barrel. Hydrogen drifts upwards, is gathered through the gas gathering cover and the supporting arc supporting cover and then is discharged and stored through the flow guide valve, electric field force can be provided through electrification of the electrode plate at the bottom of the water filtering core cloth, ions are promoted to directionally move in a solution, and the electric field force can help to separate hydrogen ions and oxygen ions and prevent the hydrogen ions and the oxygen ions from being recombined; separation and migration of electrons and holes are promoted through the action of an electric field, the photocatalytic hydrogen production efficiency is improved, water drops can be easily subjected to photocatalysis and decomposition reaction under the illumination condition of the first enhanced illumination catalytic lamp and the second enhanced illumination catalytic lamp, and the catalytic hydrogen production efficiency and effect of the device are improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of photocatalytic hydrogen production, and more particularly to a device for photocatalytic hydrogen production. Background Art

[0002] The common single substance form of hydrogen is hydrogen gas, which is colorless, tasteless, odorless, and highly flammable gas composed of diatomic molecules. Hydrogen gas is the lightest gas. Photocatalytic oxidation degradation of organic matter belongs to the reaction of reducing energy barriers. In this type of reaction, the generation of , , and Equivalent active groups, water decomposition generates and These are high energy barrier reactions that convert light energy into chemical energy.

[0003] Among them, the patent with publication number CN111137854A discloses a device for photocatalytic hydrogen production, including a device body, a reaction box is arranged at the upper end of the device body, the upper end of the reaction box is fixedly connected to a heat dissipation network, a connection chassis is arranged on one side of the reaction box, a connection wire is arranged at the rear end of the connection chassis, one end of the connection wire is fixedly connected to a main chassis, a control button is arranged at the front end of the main chassis, a light maker is arranged at the front end of the reaction box, a light barrel is fixedly connected to the lower end of the light maker, a reaction device is arranged at the lower end of the light barrel, and a hydrogen collecting device is arranged on the outer wall of the reaction device; When this structure is in use, the light intensity of the heat sink and the light maker is adjusted by adjusting the control button on the front end of the main box, and then the light is irradiated from the light tube to the reaction device, and a part of the water is stored in the liquid storage cup. Then the hydrogen produced by photocatalysis enters the hydrogen collection device from the vents at both ends of the connecting tube for storage. However, this structure is not easy to fully irradiate the water with light when in use, resulting in low efficiency in catalytic production of hydrogen. At the same time, it is easy to recombine into water during hydrogen production, resulting in a decrease in hydrogen production efficiency. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a device for photocatalytic hydrogen production, aiming to solve the problems raised in the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a device for photocatalytic hydrogen production, comprising a base, on which a catalytic component is arranged; The catalytic assembly comprises a liquid storage barrel mounted on a base by bolts, and a gas collecting hood for collecting gas is threadedly connected to the top of the liquid storage barrel; A transparent cover for light transmission is arranged in the middle of the liquid storage barrel, a plurality of water filter core cloths are distributed on the outside of the transparent cover, and a diversion plate for diversion is arranged on both sides of each of the water filter core cloths; The bottom of the plurality of water filter core cloths is provided with a support column for lifting the water filter core cloth, and the bottom of each support column is provided with an electrode plate, and the plurality of electrode plates are penetrated with a plurality of through holes, and the outer sides of the plurality of support columns and electrode plates are installed with a reinforcing L plate by bolts, and one end of the plurality of electrode plates is installed with an extension tube by bolts, and the top of the gas collection hood is installed with a supporting arc support cover by bolts, and the supporting arc support cover is embedded with a plurality of second enhanced light catalytic lamps for illumination; Optionally, in a possible embodiment, a limiting ring is installed on the top of each of the plurality of reinforced L-plates by bolts, and the limiting ring is located on the outside of the diverter plate; a plurality of first enhanced light catalytic lamps, all used for illumination, are embedded in the transparent cover; a protective abutment plate is installed on one side of each of the plurality of diverter plates by bolts; a diversion valve for diverting flow is provided on one side of the surface of the gas collecting cover; a limiting box is provided on one side of the diversion valve; the limiting box is embedded in the gas collecting cover and clamped with the gas collecting cover; one end of the limiting box is connected to a water inlet pipe for diversion; a card plate is provided on the other end of the limiting box; the card plate is located on the outside of the gas collecting cover; A water pump is installed on the card plate by bolts, and a blade is provided at one end of the water pump, and the blade is located in the middle of the limit box, and a first driving motor for driving the blade to rotate is provided at one end of the water pump, the extension tube is located at the bottom of the transparent cover and is detachably connected to the transparent cover by bolts, the diverter plate is installed on the outside of the transparent cover by bolts, a sealing strip for sealing is embedded between the liquid storage barrel and the gas gathering cover, a second driving motor for driving the transparent cover to rotate is embedded in the base, a support ring rail is slidably connected to one side of the bottom of the reinforced L-plate, and the support ring rail is installed on the inner wall of the liquid storage barrel by bolts, and a cover plate is provided on the top of the transparent cover.

[0006] Technical effects and advantages of the present invention: 1. In the present invention, the light generated by the first enhanced light catalytic lamp passes through the transparent cover and irradiates the water liquid, the photons are absorbed, and the water is decomposed into oxygen and hydrogen ions, the electrons participate in the reduction reaction of the hydrogen ions, and combine with the hydrogen ions to generate hydrogen gas, the hydrogen gas floats upward, is gathered by the gas gathering cover and the supporting arc support cover, and then is discharged and stored through the diversion valve; 2. The present invention provides an electric field force through the electrode plate at the bottom of the water filter core cloth, which can promote the ion directional movement in the solution. The electric field force can help separate hydrogen ions and oxygen ions to prevent them from recombination. The electric field promotes the separation and migration of electrons and holes, thereby improving the efficiency of photocatalytic hydrogen production. 3. In the present invention, the electricity generated by the electrode plate generates heat due to the resistance of water, so that the water in the liquid storage barrel can boil and generate a certain amount of water vapor. The water vapor is diverted by each diverter plate and drifts to the water filter core cloth to condense into small water droplets, which can then be photocatalyzed and decomposed under the illumination of the first enhanced light catalytic lamp and the second enhanced light catalytic lamp, thereby improving the catalytic hydrogen production efficiency and effect of the device; In summary, through the corresponding coordinated use of various structures, photons are absorbed, water is decomposed into oxygen and hydrogen ions, electrons participate in the reduction reaction of hydrogen ions, combine with hydrogen ions to generate hydrogen, and hydrogen floats upward and is gathered by the gas gathering hood and the supporting arc support hood, and then discharged and stored through the diversion valve. Through the electrode plate at the bottom of the water filter core cloth, power can provide an electric field force to promote the ion directional movement in the solution. The electric field force can help separate hydrogen ions and oxygen ions to prevent them from recombination. The separation and migration of electrons and holes are promoted through the electric field action, and the efficiency of photocatalytic hydrogen production is improved. The water in the liquid storage barrel can boil and produce a certain amount of water vapor. The water vapor is diverted by various diversion plates and floats to the water filter core cloth to condense into smaller water droplets. Then, it can be photocatalyzed and decomposed under the illumination of the first enhanced light catalytic lamp and the second enhanced light catalytic lamp, thereby improving the catalytic hydrogen production efficiency and effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required for use in some embodiments. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not intended to limit the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0008] Figure 1 It is the front view of the overall structure of the present invention.

[0009] Figure 2 It is a three-dimensional diagram of the gas collecting cover, the supporting arc support cover, the second enhanced light catalytic lamp and the diversion valve of the present invention.

[0010] Figure 3 It is a schematic diagram of the water filter core cloth, the diverter plate, the liquid storage barrel and the cover plate of the present invention when they are installed together.

[0011] Figure 4 It is a three-dimensional diagram of the limit box, the clamping plate, the water pump and the blades of the present invention.

[0012] Figure 5 It is a three-dimensional diagram of the electrode plate, the reinforcing L-plate, the transparent cover, the water filter cloth, the diverter plate and the support column of the present invention.

[0013] Figure 6 For the present invention Figure 5 Top view of the .

[0014] Figure 7 The three-dimensional diagram of the reinforcing L-plate, the limiting ring, the electrode plate and the supporting column of the present invention.

[0015] Figure 8 It is a three-dimensional diagram of the transparent cover, the first enhanced light catalytic lamp, the water filter core cloth and the diverter plate of the present invention.

[0016] The accompanying drawings are marked as follows: 1. base; 2. liquid storage barrel; 3. gas collection cover; 4. transparent cover; 5. water filter core cloth; 6. diverter plate; 7. support rail; 8. electrode plate; 9. reinforced L-plate; 10. limit ring; 11. through hole; 12. extension tube; 13. first reinforced light catalytic lamp; 14. protective abutment plate; 15. support arc support cover; 16. second reinforced light catalytic lamp; 17. diversion valve; 18. limit box; 19. water inlet pipe; 20. card plate; 21. water pump; 22. blades; 23. first drive motor; 24. second drive motor; 25. support ring rail; 26. cover plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] As attached Figure 1 - Figure 8 The device for photocatalytic hydrogen production shown in the figure, through the catalytic component set on the base 1, photons are absorbed, water is decomposed into oxygen and hydrogen ions, electrons participate in the reduction reaction of hydrogen ions, and combine with hydrogen ions to generate hydrogen gas, and the hydrogen gas floats upward and is gathered by the gas collecting cover 3 and the supporting arc support cover 15, and then discharged and stored through the diversion valve 17. Through the electrode plate 8 at the bottom of the water filter core cloth 5, power can provide an electric field force to promote the ions to move in a directional manner in the solution. The electric field force can help separate hydrogen ions and oxygen ions to prevent them from recombination. The separation and migration of electrons and holes are promoted through the electric field action, and the efficiency of photocatalytic hydrogen production is improved. The water in the liquid storage barrel 2 can boil and generate a certain amount of water vapor. The water vapor is diverted by each diverter plate 6 and floats to the water filter core cloth 5 to condense into small water droplets, and then can be photocatalyzed and decomposed under the lighting conditions of the first enhanced light catalytic lamp 13 and the second enhanced light catalytic lamp 16, thereby improving the catalytic hydrogen production efficiency and effect of the device, and the specific structure of the component is set as follows; The catalytic assembly includes a liquid storage barrel 2 mounted on a base 1 by bolts, and a gas collecting hood 3 for collecting gas is threadedly connected to the top of the liquid storage barrel 2; A transparent cover 4 for light transmission is arranged in the middle of the liquid storage barrel 2, and a plurality of water filter core cloths 5 are distributed outside the transparent cover 4, and a diversion plate 6 for diversion is arranged on both sides of each water filter core cloth 5; The bottom of the plurality of water filter core cloths 5 is provided with a support bar 7 for lifting the water filter core cloth 5, and the bottom of each support bar 7 is provided with an electrode plate 8, and the plurality of electrode plates 8 are penetrated with a plurality of through holes 11, and the outer sides of the plurality of support bars 7 and the electrode plates 8 are installed with a reinforcing L plate 9 by bolts, and one end of the plurality of electrode plates 8 is installed with an extension tube 12 by bolts, and the top of the gas collecting hood 3 is installed with a supporting arc support cover 15 by bolts, and the supporting arc support cover 15 is embedded with a plurality of second enhanced light catalytic lamps 16 for illumination; A limiting ring 10 is installed on the top of multiple reinforced L plates 9 by bolts, and the limiting ring 10 is located on the outside of the diverter plate 6. A plurality of first enhanced light catalytic lamps 13 for illumination are embedded in the transparent cover 4. A protective plate 14 is installed on one side of multiple diverter plates 6 by bolts. A diversion valve 17 for diversion is provided on one side of the surface of the gas gathering cover 3. A limiting box 18 is provided on one side of the diversion valve 17. The limiting box 18 is embedded in the gas gathering cover 3 and is clamped with the gas gathering cover 3. One end of the limiting box 18 is connected to a water inlet pipe 19 for diversion, and the other end of the limiting box 18 is provided with a card plate 20. The card plate 20 is located on the outside of the gas gathering cover 3, and a A water pump 21, a blade 22 is provided at one end of the water pump 21, the blade 22 is located in the middle of the limit box 18, and a first drive motor 23 for driving the blade 22 to rotate is provided at one end of the water pump 21, the extension tube 12 is located at the bottom of the transparent cover 4 and is detachably connected to the transparent cover 4 by bolts, the diverter plate 6 is installed on the outside of the transparent cover 4 by bolts, a sealing strip for sealing is embedded between the liquid storage barrel 2 and the gas gathering cover 3, a second drive motor 24 for driving the transparent cover 4 to rotate is embedded in the base 1, a support ring rail 25 is slidably connected to one side of the bottom of the reinforcing L plate 9, the support ring rail 25 is installed on the inner wall of the liquid storage barrel 2 by bolts, and a cover plate 26 is provided on the top of the transparent cover 4.

[0019] According to the above structure, when in use, the staff installs the device at a designated position. When performing photocatalytic hydrogenation, it is installed on the water pump 21 through a conduit, and the first drive motor 23 drives the blade 22 to rotate to transport the water source to the liquid storage barrel 2 through the limit box 18 and the water inlet pipe 19. After that, the catalyst is added to the liquid storage barrel 2, and the second drive motor 24 drives the transparent cover 4, the diverter plate 6, the water filter core cloth 5, the electrode plate 8 and the support bar 7 to rotate, and then the electrode plate 8 rotates to stir the water and the catalyst in the liquid storage barrel 2, so that the water and the catalyst are fully mixed. At the same time, the water mixed with the catalyst can be heated through the electrode plate 8, thereby improving the efficiency and amount of photocatalytic hydrogen production; At the same time, during catalysis, the light generated by the first enhanced light catalytic lamp 13 passes through the transparent cover 4 and irradiates the water liquid, the photons are absorbed, and the electrons are stimulated to jump from the valence band to the conduction band to form electrons and holes, the electrons and holes respectively undergo reduction and oxidation reactions with water molecules, the holes participate in the oxidation reaction of water, decomposing water into oxygen and hydrogen ions, the electrons participate in the reduction reaction of hydrogen ions, and combine with hydrogen ions to generate hydrogen, the hydrogen floats upward, is gathered by the gas gathering cover 3 and the support arc support cover 15, and then discharged and stored through the diversion valve 17; Furthermore, the hydrogen ions and oxygen ions generated by the reaction are easily recombined in the solution to generate water through the electrode plate 8 at the bottom of each water filter core cloth 5. The power supply can provide an electric field force to promote the ions to move in a directional manner in the solution. The electric field force can help separate the hydrogen ions and oxygen ions to prevent them from recombining. The electric field effect promotes the separation and migration of electrons and holes, thereby improving the efficiency of photocatalytic hydrogen production. At the same time, the electricity generated by the electrode plate 8 will generate heat due to the resistance of water, so that the water in the liquid storage barrel 2 can boil and produce a certain amount of water vapor. The water vapor is diverted by each diverter plate 6 and drifts to the water filter core cloth 5 to condense into smaller water droplets, which can then be photocatalyzed and decomposed under the lighting conditions of the first enhanced light catalytic lamp 13 and the second enhanced light catalytic lamp 16, thereby improving the catalytic hydrogen production efficiency and effect of the device.

[0020] Different from the prior art, the present application discloses a device for photocatalytic hydrogen production, in which water is decomposed into oxygen and hydrogen ions by absorption of photons, electrons participate in the reduction reaction of hydrogen ions, and combine with hydrogen ions to generate hydrogen gas, and the hydrogen gas floats upward and is gathered by the gas collecting hood 3 and the supporting arc support hood 15, and then discharged and stored through the diversion valve 17. Through the electrode plate 8 at the bottom of the water filter core cloth 5, power can provide an electric field force to promote the ion directional movement in the solution, and the electric field force can help separate hydrogen ions and oxygen ions to prevent them from recombination. The separation and migration of electrons and holes are promoted through the electric field action, and the efficiency of photocatalytic hydrogen production is improved. The water in the liquid storage barrel 2 can boil and generate a certain amount of water vapor. The water vapor is diverted by each diversion plate 6 and floats to the water filter core cloth 5 to condense into smaller water droplets, and then can be photocatalyzed and decomposed under the lighting conditions of the first enhanced light catalytic lamp 13 and the second enhanced light catalytic lamp 16, thereby improving the catalytic hydrogen production efficiency and effect of the device.

[0021] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for photocatalytic hydrogen production, comprising a base (1), characterized in that: The base (1) is provided with a catalytic component; The catalytic assembly comprises a liquid storage barrel (2) mounted on a base (1) by means of bolts, and a gas collecting hood (3) for collecting gas is threadedly connected to the top of the liquid storage barrel (2); A transparent cover (4) for transmitting light is arranged in the middle of the liquid storage barrel (2), a plurality of water filter core cloths (5) are arranged on the outside of the transparent cover (4), and a diversion plate (6) for diversion is arranged on both sides of each of the water filter core cloths (5); The bottom of each of the plurality of water filter core cloths (5) is provided with a support bar (7) for lifting the water filter core cloth (5), and the bottom of each of the support bars (7) is provided with an electrode plate (8), and the plurality of electrode plates (8) are provided with a plurality of through holes (11), and the outer sides of the plurality of support bars (7) and the electrode plates (8) are provided with a reinforcing L plate (9) by means of bolts, and one end of each of the plurality of electrode plates (8) is provided with an extension tube (12) by means of bolts.

2. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A limiting ring (10) is installed on the top of each of the plurality of reinforcing L-plates (9) via bolts, and the limiting ring (10) is located on the outside of the diverter plate (6).

3. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A plurality of first enhanced light catalytic lamps (13) for illumination are embedded in the transparent cover (4), and a protective stop plate (14) is mounted on one side of the plurality of diverter plates (6) via bolts.

4. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A supporting arc support cover (15) is installed on the top of the gas collecting cover (3) by means of bolts, and a plurality of second enhanced light catalytic lamps (16) for lighting are embedded in the supporting arc support cover (15).

5. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A flow diversion valve (17) for diverting flow is provided on one side of the surface of the gas gathering hood (3), and a limit box (18) is provided on one side of the flow diversion valve (17); the limit box (18) is embedded in the gas gathering hood (3) and is snap-connected to the gas gathering hood (3).

6. The device for photocatalytic hydrogen production according to claim 5, characterized in that: One end of the limit box (18) is connected to a water inlet pipe (19) for diversion, and the other end of the limit box (18) is provided with a clamping plate (20), and the clamping plate (20) is located outside the gas gathering hood (3).

7. The device for photocatalytic hydrogen production according to claim 6, characterized in that: A water pump (21) is mounted on the clamping plate (20) by means of bolts, one end of the water pump (21) is provided with a blade (22), and the other end of the water pump (21) is provided with a first drive motor (23) for driving the blade (22) to rotate.

8. The device for photocatalytic hydrogen production according to claim 1, characterized in that: The extension tube (12) is located at the bottom of the transparent cover (4) and is detachably connected to the transparent cover (4) via bolts, and the diverter plate (6) is mounted on the outside of the transparent cover (4) via bolts.

9. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A sealing strip is embedded between the liquid storage barrel (2) and the gas collecting cover (3), and a second driving motor (24) for driving the transparent cover (4) to rotate is embedded in the base (1).

10. The device for photocatalytic hydrogen production according to claim 1, characterized in that: A support ring rail (25) is slidably connected to one side of the bottom of the reinforcing L-plate (9), and the support ring rail (25) is mounted on the inner wall of the liquid storage barrel (2) by means of bolts. A cover plate (26) is provided on the top of the transparent cover (4).

Citation Information

Patent Citations

  • Equipment for photocatalytic hydrogen production

    CN111137854A

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    CN104016301A

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    CN116815200A

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