Organic solid waste photosynthetic-anaerobic biological combined hydrogen production device

Abstract

The invention relates to a photosynthetic-anaerobic biological combined hydrogen production device for organic solid waste garbage, which is characterized in that biogas slurry is subjected to synergistic coupling catalysis and fermentation reaction in a dark fermentation stage and a photoreaction catalysis stage, dark light gradient grading in the dark fermentation stage is regulated in a synergistic manner, time-sharing and classified step-by-step regulation is implemented, and synergistic coupling hydrogen production is implemented. High-purity hydrogen is obtained through purification and separation, and the photocatalysis and coupling hydrogen production efficiency is improved by optimizing the composition and structure of photocatalysis.

Description

Technical Field

[0001] The present invention relates to a hydrogen production device, in particular to an organic solid waste photosynthesis–anaerobic biological combined hydrogen production device. Background Art

[0002] Biogas slurry (bottom liquid medium) is a liquid-phase by-product generated during the anaerobic fermentation of agricultural waste and contains a large amount of organic matter. In order to more efficiently utilize the organic matter in biogas slurry, researchers have begun to explore technologies for converting it into energy products such as hydrogen.

[0003] Early research on hydrogen production from biogas slurry mainly focused on steam reforming hydrogen production technology, which requires the biogas slurry to be vaporized first and then reformed to produce hydrogen. However, this method has problems such as high process conditions requirements, complex operations, and high production costs, making it difficult to achieve industrial application.

[0004] Researchers have continuously optimized the biogas slurry hydrogen production process and developed new technologies such as aqueous phase reforming hydrogen production. These technologies directly produce hydrogen in a one-step reaction under relatively mild reaction conditions, reducing side reactions that are prone to occur under high-temperature conditions and improving the efficiency and feasibility of biogas slurry hydrogen production. With the increasing global demand for renewable energy and hydrogen energy, biogas slurry hydrogen production, as a green and efficient hydrogen production method, has received extensive attention. Many countries and enterprises are actively researching and developing biogas slurry hydrogen production technology in order to achieve the resource utilization of biogas slurry and the sustainable development of hydrogen energy. Hydrogen production from biogas slurry (bottom liquid medium) can not only achieve the resource utilization of biogas slurry but also enrich the gas product forms in the biogas production industrial chain. For example, the hydrogen produced can be used for heating, power generation, or as a chemical raw material, enhancing the value of gas products in the biogas production industrial chain.

[0005] However, there are still technical bottlenecks in aspects such as low efficiency of biomass hydrogen production, high technology investment, and hydrogen production conversion process, both in theory and practice. How to achieve hydrogen production from biogas slurry has become a problem that researchers in this field need to continue to solve. Summary of the Invention

[0006] The technical problem to be solved by the present invention is: how to achieve hydrogen production from biogas slurry;

[0007] To solve the above technical problem, the technical solution adopted by the present invention is:

[0008] The present invention is an organic solid waste photosynthesis–anaerobic biological combined hydrogen production device, comprising: a biogas slurry tank filled with biogas slurry, which is connected to a dark reaction tank, a photosynthetic bacteria reaction tank, and a photosynthetic bacteria - hydrogenase bacteria mixing tank through a filtering device and a pressure pump respectively; a hydrogen collection device, wherein the bottoms of the dark reaction tank, the photosynthetic bacteria reaction tank, and the photosynthetic bacteria - hydrogenase bacteria mixing tank are all connected to the hydrogen collection device through a hydrogen filtering device and a one-way valve, and a first hydrogen filtering layer and a second hydrogen filtering layer are arranged in the hydrogen collection device; a waste collection device connected to the hydrogen collection device; a photovoltaic device connected to a first light plate installed outside the photosynthetic bacteria reaction tank and a second light plate installed outside the photosynthetic bacteria - hydrogenase bacteria mixing tank; a temperature sensing and control device connected to a first temperature controller installed in the biogas slurry tank, a second temperature controller installed in the photosynthetic bacteria reaction tank, and a third temperature controller installed in the photosynthetic bacteria - hydrogenase bacteria mixing tank; a stirring device respectively arranged in the biogas slurry tank, the photosynthetic bacteria reaction tank, and the photosynthetic bacteria - hydrogenase bacteria mixing tank;

[0009] Furthermore, a constant temperature layer is arranged outside the biogas slurry tank, the photosynthetic bacteria reaction tank, and the photosynthetic bacteria - hydrogenase bacteria mixing tank.

[0010] Furthermore, the connecting pipelines between the biogas slurry tank and the dark reaction tank, the photosynthetic bacteria reaction tank, and the photosynthetic bacteria - hydrogenase bacteria mixing tank are connected to a natural gas grid connection section or a user terminal.

[0011] Furthermore, the temperature sensing and control device includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch. Among them, the first switch, the second switch, and the third switch are used for temperature control of the photosynthetic bacteria reaction tank, and are adapted to control the light intensity of the first light plate, thereby controlling the reaction temperature of the photosynthetic bacteria reaction tank;

[0012] The fourth switch, the fifth switch, and the sixth switch are used for temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank, and are adapted to control the light intensity of the second light plate, thereby controlling the reaction temperature of the photosynthetic bacteria - hydrogenase bacteria mixing reaction tank;

[0013] The first switch, the second switch, and the third switch all include:

[0014] A first fixed metal end arranged horizontally, with a second fixed metal end provided at its bottom;

[0015] A third fixed metal end arranged obliquely, which is arranged opposite to the first fixed metal end, and a first elastic end is provided at its bottom;

[0016] When the second temperature controller detects the temperature of the photosynthetic bacteria reaction tank, it drives the first elastic end to bend from the inclined state and connect with the first fixed metal end, and the first light plate irradiates the photosynthetic bacteria reaction tank to raise the temperature.

[0017] The fourth switch, the fifth switch, and the sixth switch all include:

[0018] A horizontally arranged fourth fixed metal end, with a fifth fixed metal end provided at its bottom;

[0019] An inclined sixth fixed metal end, which is arranged opposite to the fourth fixed metal end, and a second elastic end is provided at its bottom;

[0020] A solidifying block, which is arranged at the end of the second elastic end;

[0021] When the third temperature controller detects the temperature of the photosynthetic bacteria - hydrogenase bacteria mixing tank, it drives the second elastic end to bend from the inclined state and connects the solidifying block with the fourth fixed metal end, and the second light plate irradiates the photosynthetic bacteria - hydrogenase bacteria mixing tank to raise the temperature.

[0022] Furthermore, the solidifying block is a NaSO4·10H2O solidifying block.

[0023] Furthermore, the thickness of the first elastic end in the first switch, the second switch, and the third switch gradually increases; the thickness of the second elastic end in the fourth switch, the fifth switch, and the sixth switch gradually increases.

[0024] Furthermore, the photovoltaic device includes a plurality of photovoltaic panels, and the photovoltaic panels are electrically connected to the first light plate and the second light plate.

[0025] The beneficial effects of the present invention: The present invention is an organic solid waste photosynthetic - anaerobic biological combined hydrogen production device. This device conducts coordinated, coupled catalytic and fermentation reactions on biogas slurry in the dark fermentation stage and the photocatalytic reaction stage, coordinately regulates the dark - light gradient classification in the dark fermentation stage, implements time - sharing and classification step - by - step regulation, couples hydrogen production, and then obtains high - purity hydrogen through purification and separation. By optimizing the composition and structure of photocatalysis, the photocatalysis and coupled hydrogen production efficiency are improved. Description of the Drawings

[0026] The present invention will be further described below in conjunction with the drawings and embodiments.

[0027] Figure 1 It is a schematic structural diagram of the hydrogen production device;

[0028] Figure 2 It is a schematic diagram of the internal structure of the dark reaction tank;

[0029] Figure 3It is a schematic diagram of the internal structure of the photosynthetic bacteria reaction tank;

[0030] Figure 4 It is a schematic diagram of the internal structure of the photosynthetic bacteria - hydrogenase bacteria mixed reaction tank;

[0031] Figure 5 It is a schematic diagram of the structure of the temperature - sensing control device;

[0032] Figure 6 It is a schematic diagram of the structure of the photovoltaic device. Detailed implementation manners

[0033] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0034] As Figure 1 shown, the biogas slurry passes from the biogas slurry tank 2 through the filtering device 8 and is sent to the biogas slurry dark reaction fermentation tank 5, the photosynthetic bacteria reaction tank 9, and the photosynthetic bacteria - hydrogenase bacteria mixed tank 11 respectively by the pressure pump 7 (the pressure pump 7 can realize the vacuum pumping or the transportation of the biogas slurry in the dark reaction tank 5, the photosynthetic bacteria reaction tank 9, and the photosynthetic bacteria - hydrogenase bacteria mixed tank 11). After fermentation and catalytic reactions respectively, they enter the hydrogen filtering device 20 after passing through the first flowmeter 6, the second flowmeter 14, and the third flowmeter 17 respectively, and then enter the hydrogen collection device 21 through the one - way valve. The hydrogen collection device 21 is provided with a first filtering layer 16 and a second filtering layer 22. After being filtered by the filtering layer, the excess waste enters the waste collection device 13. At the same time, during the hydrogen production process, the pressure pump 7 switches to the vacuum pumping state and maintains the vacuum atmosphere in the dark reaction tank 5, the photosynthetic bacteria reaction tank 9, and the photosynthetic bacteria - hydrogenase bacteria mixed tank 11.

[0035] According to the end - user requirements, a part of the biogas coming out from the dark reaction tank 5, the photosynthetic bacteria reaction tank 9, and the photosynthetic bacteria - hydrogenase bacteria mixed tank 11 can enter the natural gas grid connection pipeline section 19 (after being depressurized, purified, and prepared into bio - natural gas) for grid connection; another part can be used for the life (such as cooking and lighting) or other production uses of the end - user 18.

[0036] According to the practical requirements of collaborative hydrogen production, a method for hydrogen production by biomass photofermentation with gradient grading and coupling regulation is realized; the photovoltaic device 3 is connected to the first light plate 10 installed in the photosynthetic bacteria reaction tank 9 and the second light plate 12 outside the photosynthetic bacteria-hydrogenase bacteria mixing tank 11, and the light intensity of the first light plate 10 and the second light plate 12 is regulated according to the light requirements of the photosynthetic bacteria reaction tank 9 and the photosynthetic bacteria-hydrogenase bacteria mixing tank 11. Among them, the dark reaction tank 5 is placed in the first constant temperature layer 5-1, the photosynthetic bacteria reaction tank 9 is placed in the second constant temperature layer 9-1, and the photosynthetic bacteria-hydrogenase bacteria mixing tank 11 is placed in the third constant temperature layer 11-1, and is in a vacuum state (the pressure pump 7 evacuates).

[0037] The first temperature controller 501 in the dark reaction tank 5, the second temperature controller 903 in the photosynthetic bacteria reaction tank 9, and the third temperature controller 113 of the photosynthetic bacteria-hydrogenase bacteria mixing tank 11 are connected to the temperature induction control device 1, and the temperature of the reaction tank is controlled according to the fermentation and catalytic effects of the reaction tank. A first light plate 10 is arranged outside the photosynthetic bacteria reaction tank 9, and a second light plate 12 is arranged outside the photosynthetic bacteria-hydrogenase bacteria mixing tank 11. The first light plate 10 and the second light plate 12 are connected to the photovoltaic device 3 to provide light and temperature for the photochemical reaction tank.

[0038] As Figure 1 The hydrogen production device shown enters the dark reaction tank 5, the photosynthetic bacteria reaction tank 9, and the photosynthetic bacteria-hydrogenase bacteria mixing tank 11 respectively through the biogas slurry tank for hydrogen production. A filtering device 8 is arranged at the connection between the biogas slurry and each reaction tank, and the biogas slurry is transported to each reaction tank through the pressure pump 7. In the dark reaction tank 5, anaerobic microorganisms convert the organic compounds in the biogas slurry output from the biogas slurry tank 2 into biological hydrogen, and various organic acids and alcohol by-products are produced at the same time.

[0039] Through the extraction of the pressure pump 7, the biogas slurry is transported to the photosynthetic bacteria reaction tank 9. Under the condition of light anaerobic, the photosynthetic bacteria 902 capture high-energy electrons through the bacteriochlorophyll and carotenoids on their own complexes.

[0040] Through the extraction of the pressure pump 7, the biogas slurry is transported to the photosynthetic bacteria-hydrogenase bacteria mixing reaction tank 11, and the photosynthetic bacteria 111, 112 and the hydrogenase bacteria 114, 115 react alternately.

[0041] The hydrogen and various by-products generated by the reaction in each reaction tank are transported to the hydrogen collection device 21 through the hydrogen filtering device 20. A first filtering layer 16 and a second filtering layer 22 are arranged on the upper layer of the hydrogen collection device 21, and the by-products other than hydrogen are transported to the waste collection device 13.

[0042] The temperature induction controller 1 is connected to the temperature monitors in each reaction tank (the first temperature controller 501, the second temperature controller 903, and the third temperature controller 113). The temperature of each reaction tank needs to be adjusted through the corresponding light plate. The first light plate 10 and the second light plate 12 are connected to the photovoltaic device 3. According to the temperature requirements of the photosynthetic bacteria reaction tank 9 and the photosynthetic bacteria - hydrogenase bacteria mixing tank 11, the light intensity of the corresponding light plate is adjusted, thereby controlling the temperature of the photosynthetic bacteria reaction tank 9 and the photosynthetic bacteria - hydrogenase bacteria mixing tank 11. Through the microbial action in the light reaction tank and the dark reaction tank, the generated hydrogen enters the hydrogen filtration device 20 after passing through the flow meters (the first flow meter 6, the second flow meter 14, and the third flow meter 17), and enters the hydrogen collection device 21 after being purified by the filtration device 20. The waste collection device 19 is connected to the hydrogen collection device 21. The collected waste liquid is mixed and stirred and then used for compost filling.

[0043] The stirring devices are the first stirrer 502 arranged in the dark reaction tank 5, the second stirrer 901 arranged in the photosynthetic bacteria reaction tank 9, and the third stirrer 110 arranged in the photosynthetic bacteria - hydrogenase bacteria mixing tank 11. The stirring devices promote the fermentation in each reaction tank and further strengthen the catalytic effect. The stirring devices are of conventional structure and will not be specifically described in this solution.

[0044] Figure 2 It is a structural diagram of the dark reaction tank 5. The biogas slurry is introduced into the reaction tank 5 to start the fermentation process. Through the first temperature controller 501, according to the optimal temperature required for fermentation, the temperature in the reaction tank is controlled within an appropriate range. The first stirrer 502 starts to work to uniformly mix the biogas slurry, which helps to increase the contact area between microorganisms and organic substances, thereby accelerating the fermentation process. Under appropriate temperature and sufficient mixing conditions, the microorganisms in the biogas slurry start to decompose organic substances, generating hydrogen and waste. The hydrogen generated by the fermentation reaction enters the hydrogen collection device 21 for energy supply or other uses. The excess waste is collected in the waste collection device 13 and used as fertilizer. The entire fermentation process needs to be monitored regularly, including temperature, pH value, hydrogen production, etc., to ensure the stability and efficiency of the fermentation process.

[0045] Figure 3It is a structural diagram of the photosynthetic bacteria reaction tank 9. Biogas slurry is introduced into the photosynthetic bacteria reaction tank 9 to start the photocatalytic process. Through the second temperature controller 903, according to the optimal temperature required for photocatalysis, the temperature in the reaction tank is controlled within an appropriate range. The second stirrer 901 starts to work, evenly mixing the biogas slurry and photosynthetic bacteria 902, increasing the contact area between the photosynthetic bacteria 902 and organic substances, thereby accelerating the photocatalytic process. Under appropriate temperature and sufficient mixing conditions, the photosynthetic bacteria 902 start to use light energy to decompose the organic substances in the biogas slurry, generating hydrogen and waste. The hydrogen produced by the catalytic reaction enters the hydrogen collection device 21 for energy supply or other uses. The remaining biogas slurry is further processed or used as fertilizer. The entire photocatalytic process needs to be monitored regularly, including temperature, pH value, gas production, etc., to ensure the stability and efficiency of the photocatalytic process.

[0046] Figure 4 It is a structural diagram of the photosynthetic bacteria - hydrogenase bacteria mixed reaction tank 11. Biogas slurry is introduced into the photosynthetic bacteria - hydrogenase bacteria mixed reaction tank 11 to start the photocatalytic process. Through the third temperature controller 113, according to the optimal temperature required for photocatalysis, the temperature in the reaction tank is controlled within an appropriate range. The third stirrer 110 starts to work, evenly mixing the biogas slurry and microorganisms. This helps to increase the contact area between the microorganisms and organic substances, thereby accelerating the photocatalytic process. Under appropriate temperature and sufficient mixing conditions, photosynthetic bacteria 111 and 112 and hydrogenase bacteria 114 and 115 start to use light energy to decompose the organic substances in the biogas slurry, generating hydrogen and waste. The hydrogen produced by the catalytic reaction enters the hydrogen collection device 21 for energy supply or other uses. The remaining biogas slurry is further processed or used as fertilizer. The entire photocatalytic process needs to be monitored regularly, including temperature, pH value, gas production, etc., to ensure the stability and efficiency of the photocatalytic process.

[0047] Figure 5 It is a structural schematic diagram of the temperature sensing control device. There are a total of six switches in the figure, namely the first switch E1, the second switch E2, the third switch E3, the fourth switch E4, the fifth switch E5, and the sixth switch E6;

[0048] The first switch E1, the second switch E2, and the third switch E3 are the temperature control switches of the photosynthetic bacteria reaction tank 9, and the fourth switch E4, the fifth switch E5, and the sixth switch E6 are the temperature control switches of the photosynthetic bacteria - hydrogenase bacteria mixed tank 11;

[0049] The first switch E1, the second switch E2, and the third switch E3 all include a first fixed metal end 101 arranged on the left side. A second fixed metal end 102 is arranged at the bottom of the first fixed metal end 101. On the other side (right side) of the first fixed metal end 101, an inclined third fixed metal end 103 is arranged. A first elastic end 108 (dotted part) is arranged at the bottom of the third fixed metal end 103. The first elastic end 108 will bend downward and connect to the first fixed metal end 101 when heated. At this time, the connection of the first switch E1 can be achieved. When the first switch E1 is closed, the intensity of the first light plate 10 can be adjusted to the first gear to heat the photosynthetic bacteria reaction pool 9. The structures of the second switch E2 and the third switch E3 are the same as that of the first switch E1. The difference is that the thickness of the first elastic end 108 of the third switch E3 is greater than the thickness of the first elastic end 108 of the second switch E2 which is greater than the thickness of the first elastic end 108 of the first switch E1. Due to the gradually increasing thickness, the bending temperature of the first elastic end of the second switch E2 is higher than that of the first elastic end of the first switch E1. The same applies to the third, fourth, fifth, and sixth switches.

[0050] The fourth switch E4, the fifth switch E5, and the sixth switch E6 all include a fourth fixed metal end 104 arranged on the left side. A fifth fixed metal end 105 is arranged at the bottom of the fourth fixed metal end 104. On the other side (right side) of the fourth fixed metal end 104, an inclined sixth fixed metal end 106 is arranged. A second elastic end 109 (dotted part) is arranged at the bottom of the sixth fixed metal end 106. A NaSO4·10H2O solidification block is arranged at the end of the second elastic end 109. The second elastic end 109 and the NaSO4·10H2O solidification block 107 will bend downward and connect to the fourth fixed metal end 104 when heated. At this time, the connection of the third switch E3 can be achieved. When the fourth switch E4 is closed, the intensity of the first light plate 12 can be adjusted to the first gear to heat the photosynthetic bacteria - hydrogenase bacteria mixing pool 11. The structures of the fifth switch E5 and the sixth switch E6 are the same as that of the fourth switch E4. The difference is that the thickness of the second elastic end 109 of the sixth switch E6 is greater than the thickness of the second elastic end 109 of the fifth switch E5 which is greater than the thickness of the second elastic end 109 of the fourth switch E4.

[0051] For example, when the second temperature controller 903 detects that the photosynthetic bacteria reaction tank 9 is at 10°C, the temperature is transmitted to the temperature sensing and control device. At this time, the first elastic end 108 at the first switch E1 bends downward, causing the first switch E1 to be in a connected state, and the first light plate 10 heats the photosynthetic bacteria reaction tank 9; when the second temperature controller 903 detects that the photosynthetic bacteria reaction tank 9 is at 15°C, while keeping the first switch E1 connected, the first elastic end 108 at the second switch E2 bends downward, causing the second switch E2 to be in a connected state, and the first light plate 10 continues to heat the photosynthetic bacteria reaction tank 9; when the second temperature controller 903 detects that the photosynthetic bacteria reaction tank 9 is at 20°C, while keeping the first and second switches E1 and E2 connected, the first elastic end 108 at the third switch E3 bends downward, causing the third switch E3 to be in a connected state, and the first light plate 10 continues to heat the photosynthetic bacteria reaction tank 9. Observe the flow rate of the second flowmeter 14 to obtain a suitable temperature for hydrogen production in the photosynthetic bacteria reaction tank 9.

[0052] Similarly, for example, when the third temperature controller 113 detects that the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at 25°C, the temperature is transmitted to the temperature sensing and control device 1. At this time, the second elastic end 109 at the fourth switch E4 together with the NaSO4·10H2O solidification block 107 bends downward, causing the fourth switch E4 to be in a connected state, and the second light plate 12 heats the photosynthetic bacteria - hydrogenase bacteria mixing tank 11; when the third temperature controller 113 detects that the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at 30°C, while keeping the third switch E3 connected, the second elastic end 109 at the fourth switch E4 together with the NaSO4·10H2O solidification block 107 bends downward, causing the fourth switch E4 to be in a connected state, and the second light plate 12 continues to heat the photosynthetic bacteria - hydrogenase bacteria mixing tank 11; when the third temperature controller 113 detects that the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at 35°C, while keeping the fourth and fifth switches E4 and E5 connected, the second elastic end 109 at the sixth switch E6 together with the NaSO4·10H2O solidification block 107 bends downward, causing the sixth switch E6 to be in a connected state, and the second light plate 12 continues to heat the photosynthetic bacteria - hydrogenase bacteria mixing tank 11. Observe the flow rate of the third flowmeter 17 to obtain a suitable temperature for hydrogen production in the photosynthetic bacteria - hydrogenase bacteria mixing tank 11.

[0053] The NaSO4·10H2O solidification block 109 (inorganic hydrated salt phase change energy storage material) has high latent heat, good thermal conductivity, good chemical stability, non - toxicity, low price, and can be reused multiple times.

[0054] The mainstream coupling hydrogen production schemes are as follows:

[0055] Coupling regulation scheme one:

[0056] ①(The first switch E1 is coupled to the fourth, fifth, and sixth switches E4, E5, and E6 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the first gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the third gear;

[0057] ②(The first and second switches E1 and E2 are coupled to the fourth and fifth switches E4 and E5 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the second gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the second gear;

[0058] ③(The first, second, and third switches E1, E2, and E3 are coupled to the fourth switch E4 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the third gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the first gear.

[0059] Coupling regulation scheme two:

[0060] ①(The first switch E1 is coupled to the fourth and fifth switches E4 and E5 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the second gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the second gear;

[0061] ②(The first and second switches E1 and E2 are coupled to E4 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the second gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the first gear;

[0062] ③(The first and second switches E1 and E2 are coupled to the fourth, fifth, and sixth switches E4, E5, and E6 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the second gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the third gear;

[0063] Coupling regulation scheme three:

[0064] ①(The first switch E1 is coupled to the fourth E4 for regulation) The temperature control of the photosynthetic bacteria reaction tank 9 is at the third gear + the temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing tank 11 is at the first gear.

[0065] Through the above various combinations, by observing the hydrogen production flow rates of the second flowmeter 14 and the third flowmeter 17, a suitable coupling regulation scheme is obtained.

[0066] Figure 6 It is a structural schematic diagram of a photovoltaic device. The photovoltaic device is provided with a first photovoltaic panel 301, a second photovoltaic panel 302, a third photovoltaic panel 303, and a fourth photovoltaic panel 304. The photovoltaic effect inside the photovoltaic panels converts the energy of sunlight into direct current electricity; the generated direct current electricity is transmitted to the battery storage system through a cable or directly supplied to an inverter; the inverter converts the direct current into alternating current, and the converted electric energy can be directly used for the first lighting panel 10 and the second lighting panel 12 to perform lighting on the corresponding reaction tanks, or stored in the battery for use in lighting the reaction tanks at night.

[0067] Figure 1Among them, K1-K11 are all valves used to control the on / off of the pipelines or circuits where they are located.

[0068] Inspired by the above ideal embodiments of the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An organic solid waste photosynthesis–anaerobic biological combined hydrogen production device, characterized in that, Including: A biogas slurry pond filled with biogas slurry, which is connected to a dark reaction pond, a photosynthetic bacteria reaction pond, and a photosynthetic bacteria - hydrogenase bacteria mixing pond through a filtering device and a pressure pump respectively; A hydrogen collection device, the bottoms of the dark reaction pond, the photosynthetic bacteria reaction pond, and the photosynthetic bacteria - hydrogenase bacteria mixing pond are all connected to the hydrogen collection device through a hydrogen filtering device and a one - way valve, and a first hydrogen filtering layer and a second hydrogen filtering layer are arranged in the hydrogen collection device; A waste collection device, which is connected to the hydrogen collection device; A photovoltaic device, which is connected to a first light - receiving plate installed outside the photosynthetic bacteria reaction pond and a second light - receiving plate installed outside the photosynthetic bacteria - hydrogenase bacteria mixing pond; A temperature sensing and control device, which is connected to a first temperature controller installed in the biogas slurry pond, a second temperature controller installed in the photosynthetic bacteria reaction pond, and a third temperature controller installed in the photosynthetic bacteria - hydrogenase bacteria mixing pond; A stirring device, which is respectively arranged in the dark reaction pond, the photosynthetic bacteria reaction pond, and the photosynthetic bacteria - hydrogenase bacteria mixing pond.

2. The organic solid waste photosynthesis–anaerobic biological combined hydrogen production device according to claim 1, wherein Thermostatic layers are arranged outside the biogas slurry pond, the photosynthetic bacteria reaction pond, and the photosynthetic bacteria - hydrogenase bacteria mixing pond.

3. An organic solid waste photosynthesis–anaerobic biological combined hydrogen production device according to claim 1, characterized in that, The connecting pipelines between the biogas slurry pond and the dark reaction pond, the photosynthetic bacteria reaction pond, and the photosynthetic bacteria - hydrogenase bacteria mixing pond are connected to a natural gas grid connection section or a user terminal.

4. An organic solid waste photosynthesis-anaerobic biological combined hydrogen production device according to claim 1, characterized in that, The temperature sensing and control device includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch. Among them, the first switch, the second switch, and the third switch are used for temperature control of the photosynthetic bacteria reaction pond, and are suitable for controlling the light intensity of the first light - receiving plate, thereby controlling the reaction temperature of the photosynthetic bacteria reaction pond; The fourth switch, the fifth switch, and the sixth switch are used for temperature control of the photosynthetic bacteria - hydrogenase bacteria mixing pond, and are suitable for controlling the light intensity of the second light - receiving plate, thereby controlling the reaction temperature of the photosynthetic bacteria - hydrogenase bacteria mixing reaction pond; The first switch, the second switch, and the third switch all include: A horizontally arranged first fixed metal end, and a second fixed metal end is arranged at its bottom; An inclined third fixed metal end, which is arranged opposite to the first fixed metal end, and a first elastic end is arranged at its bottom; When the second temperature controller detects the temperature of the photosynthetic bacteria reaction pond, it drives the first elastic end to bend from an inclined state to be connected to the first fixed metal end, and the first light - receiving plate irradiates the photosynthetic bacteria reaction pond to increase the temperature; The fourth switch, the fifth switch, and the sixth switch all include: A horizontally arranged fourth fixed metal end, and a fifth fixed metal end is arranged at its bottom; An inclined sixth fixed metal end, which is arranged opposite to the fourth fixed metal end, and a second elastic end is arranged at its bottom; A solidifying block, which is arranged at the end of the second elastic end; When the third temperature controller detects the temperature of the photosynthetic bacteria - hydrogenase bacteria mixing pond, it drives the second elastic end to bend from an inclined state and connects the solidifying block to the fourth fixed metal end, and the second light - receiving plate irradiates the photosynthetic bacteria - hydrogenase bacteria mixing pond to increase the temperature.

5. An organic solid waste photosynthesis–anaerobic biological combined hydrogen production device according to claim 4, characterized in that, The solidifying block is a NaSO4·10H2O solidifying block.

6. An organic solid waste photosynthesis–anaerobic biological combined hydrogen production device according to claim 4, characterized in that, The thickness of the first elastic ends of the first switch, the second switch, and the third switch gradually increases; the thickness of the second elastic ends of the fourth switch, the fifth switch, and the sixth switch gradually increases.

7. An organic solid waste photosynthetic–anaerobic biological combined hydrogen production device according to claim 1, wherein, The photovoltaic device includes a plurality of photovoltaic panels, and the photovoltaic panels are electrically connected to the first light plate and the second light plate.

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