A leachate resource utilization device

Abstract

The application provides a leachate resource utilization device, belonging to the technical field of leachate hydrogen production. The device comprises a reaction kettle, a bottom baffle is fixedly connected to the bottom of the inner wall of the reaction kettle, a top baffle is fixedly connected to the top of the inner wall of the reaction kettle, a flow guide assembly is installed in the reaction kettle, and a light reaction assembly is installed on the bottom baffle and the top baffle. The flow guide assembly can guide the flow direction of the leachate in the reaction kettle, greatly increase the residence time of the leachate in the device, and thus make the leachate fully react with the system to improve the hydrogen production efficiency of the leachate. The light reaction assembly can provide the light source required for hydrogen production reaction for the reaction kettle, greatly improve the hydrogen production efficiency of the leachate, and improve the efficiency of the light reaction assembly assembly process and the stability of the light reaction assembly in use.

Description

Technical Field

[0001] This invention relates to the field of leachate hydrogen production technology, and in particular to a leachate resource utilization device. Background Technology

[0002] With rapid population growth and societal development, the amount of urban domestic waste generated has increased dramatically, producing large amounts of leachate during the treatment and disposal process. Leachate is a highly concentrated organic wastewater that poses a significant threat to the environment. Currently, converting pollutants from landfill leachate into renewable energy sources holds promise for simultaneously alleviating environmental pollution and energy shortages. Consequently, some waste-to-resource resource utilization and treatment devices have emerged in the market.

[0003] For example, Chinese patent CN115466761B discloses a membrane-assisted bio-enzyme catalysis coupled with photocatalysis to convert biomass into hydrogen. This hydrogen production method utilizes bio-enzymes to decompose polycellulose to produce sugar, allowing sugar molecules to freely diffuse through a filter membrane into a photocatalytic reaction tank to form an aqueous solution containing sugar molecules. The solution is then irradiated, and the photocatalyst in the photocatalytic reaction tank decomposes the aqueous solution containing sugar molecules to produce hydrogen.

[0004] The biomass hydrogen production method provided by the aforementioned patent mainly uses a photocatalyst in a photocatalytic reactor to decompose water containing sugar molecules in an aqueous solution to produce hydrogen. However, the high hydrogen partial pressure and acidic organic matter during the hydrogen production process can inhibit the fermentation hydrogen production system. Therefore, problems such as the excessive accumulation of acidic organic matter and hydrogen partial pressure causing significant negative impacts on the fermentation hydrogen production system remain unresolved. Furthermore, when this method is used for leachate, the organic matter in the leachate is mainly in large molecular form, making it difficult to directly convert it into hydrogen through photocatalysis, resulting in low hydrogen production efficiency. Therefore, to improve the efficiency of hydrogen production, this invention provides a leachate resource utilization device to meet the requirements. Summary of the Invention

[0005] The technical problem this invention aims to solve is to provide a leachate resource utilization device. By incorporating a flow-guiding component, the device not only guides the flow of leachate within the reactor but also significantly increases its residence time within the device, allowing for a more thorough reaction between the leachate and the system, thereby improving the efficiency of hydrogen production from the leachate. Furthermore, the flow-guiding component utilizes the characteristics of leachate flow to automatically stir and mix the flowing leachate, further enhancing the contact between the leachate and the photoreactor. This ensures normal system operation while further improving the efficiency and yield of hydrogen production from the leachate. The photoreactor not only provides the light source required for the hydrogen production reaction in the reactor but also possesses a catalytic effect, significantly improving the efficiency of hydrogen production from the leachate. Moreover, the photoreactor and flow-guiding components form a structural synergy, enhancing both the efficiency of the photoreactor assembly process and its stability during use. This provides a more stable light source for the reactor and a more stable catalytic effect for the leachate. By setting up a negative pressure component, the reactor can be kept under negative pressure, thereby reducing the inhibitory effect of hydrogen partial pressure on the system and further improving the hydrogen production efficiency in the reactor. The above settings can solve the problem of low hydrogen production efficiency in traditional hydrogen production equipment during use.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A leachate resource utilization device includes a reaction vessel with a leachate inlet and an outlet on the side of the reaction vessel away from the leachate inlet. A sludge discharge port is installed on the outer wall of the bottom of the reaction vessel. A dosing port is installed on the leachate inlet. A middle partition is fixedly connected to the inner wall of the reaction vessel, located in the middle of the vessel. A bottom partition is fixedly connected to the bottom of the inner wall of the reaction vessel, and a top partition is fixedly connected to the top of the inner wall of the reaction vessel. A negative pressure assembly is installed at one end of the top of the reaction vessel to provide a negative pressure environment. The negative pressure assembly is connected to the reaction vessel. A drainage assembly is installed inside the reaction vessel to drain the leachate inside. The drainage assembly is connected to the reaction vessel. Photoreaction components are installed on both the bottom and top partitions to provide a light source for the reaction vessel. The photoreaction components are connected to the bottom and top partitions respectively.

[0008] Optionally, the flow guiding assembly includes a flow guiding plate fixedly connected to the reactor. The flow guiding plate consists of a central protrusion and two side recesses. The protrusion and the recesses are an integral structure. A positioning insertion hole is provided on the protrusion. An inner clamping spring is fixedly connected to the inner wall of the positioning insertion hole. The positioning insertion hole is an inwardly recessed inclined structure.

[0009] Optionally, the end of the flow guide plate away from the inner wall of the reactor is fixedly connected to an outward-turned part, and a flow guide hole is provided on the recessed part of the flow guide plate near the outward-turned part.

[0010] Optionally, a slanted leakage hole is provided on the recessed part of the drainage plate away from the outward-facing part, and a slanted plate is fixedly connected to the end of the drainage plate near the slanted leakage hole.

[0011] Optionally, the photoreaction assembly includes a reaction membrane column inserted into the upper surface of the bottom partition plate, a porous catalyst disposed on the outer wall of the reaction membrane column, a light source column inserted inside the reaction membrane column, the reaction membrane column passing through both the guide plate and the top partition plate, a turntable rotatably connected to the upper surface of the top partition plate, a limiting ball rotatably connected between the turntable and the top partition plate, and a gradually changing through hole on the turntable.

[0012] Optionally, a mounting head that matches the shape of the top end of the light source column is fixedly connected to one end of the reaction membrane column, and a pressing spring is fixedly connected to the mounting head. A first fitting groove that matches the shape of the pressing spring is opened on one end of the light source column.

[0013] Optionally, one end of the bottom of the reaction membrane column is an inwardly concave conical inclined structure, and the upper surface of the bottom partition plate is provided with a slot that matches the structure of the bottom end of the reaction membrane column. A self-locking spring is fixedly connected in the slot, and a second fitting groove that matches the shape of the self-locking spring is provided on the outer wall of the bottom end of the reaction membrane column. A weakening groove is provided on the self-locking spring.

[0014] Optionally, the gradient through-hole consists of an enlarged portion at one end, a reduced portion at the other end, and a transition portion with a circular arc structure in the middle. The size of the enlarged portion is larger than the size of the reaction membrane column but smaller than the size of the mounting head. The size of the reduced portion is adapted to the size of the reaction membrane column. A guide spring is fixedly connected to the inner wall of the transition portion.

[0015] Optionally, a limiting block is fixedly connected to the inner wall of the reduced portion, and a third fitting groove adapted to the shape of the limiting block is opened on the outer wall of one end of the top of the reaction membrane column.

[0016] Optionally, the negative pressure assembly includes a negative pressure chamber installed at one end of the top of the reactor, an intelligent pressure gauge is fixedly connected to the outer wall of the negative pressure chamber, the negative pressure chamber is connected to an external negative pressure power device, and an inspection and observation port is installed on the outer wall of the negative pressure chamber.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above scheme, by setting up a flow guiding component, not only can the flow direction of the leachate in the reactor be guided, but the residence time of the leachate in the device can also be greatly increased, thereby allowing the leachate to fully react with the system and improving the efficiency of hydrogen production from the leachate. In addition, the flow guiding component can take advantage of the flow characteristics of the leachate to automatically stir and mix the flowing leachate, thereby improving the adequacy of the contact between the leachate and the photoreactor. While ensuring the normal operation of the system, it also further improves the efficiency and yield of hydrogen production from the leachate.

[0019] By setting up a photoreactor, not only can the reactor be provided with the light source required for the hydrogen production reaction, but it also has its own catalytic effect, which can greatly improve the efficiency of hydrogen production from the leachate. In addition, the photoreactor and the flow guide can form a structural combination. The effect achieved by the combination of the two is not only to improve the efficiency of the photoreactor assembly process, but also to improve the stability of the photoreactor during use, thereby providing a more stable light source for the reactor and a more stable catalytic effect for the leachate.

[0020] By setting up a negative pressure component, the reactor can be kept under negative pressure, thereby reducing the inhibitory effect of hydrogen partial pressure on the system and further improving the hydrogen production efficiency in the reactor. Attached Figure Description

[0021] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the invention and, together with the specification, further serve to explain the principles of the invention and enable those skilled in the art to practice and use the invention.

[0022] Figure 1 A three-dimensional structural diagram of a leachate resource utilization device;

[0023] Figure 2 A cross-sectional three-dimensional structural diagram showing the assembly of the reactor, reaction membrane column, and drainage components;

[0024] Figure 3 A top-view cross-sectional view of the reactor and the flow inlet assembly.

[0025] Figure 4 A magnified 3D structural diagram of the drainage plate;

[0026] Figure 5 A cross-sectional three-dimensional structural diagram of the drainage plate;

[0027] Figure 6 for Figure 5 A magnified view of the structure at point A in the middle;

[0028] Figure 7 A magnified three-dimensional structural diagram showing the combination of the photoreaction component and the drainage component;

[0029] Figure 8 This is a magnified three-dimensional structural diagram of the photo-reaction component.

[0030] Figure 9 A cross-sectional three-dimensional structural diagram of the photo-reaction component;

[0031] Figure 10 for Figure 9 A magnified schematic diagram of the structure at point B in the middle;

[0032] Figure 11 A cross-sectional three-dimensional structural diagram showing the fit between the photoresist assembly and the bottom partition.

[0033] Figure 12 for Figure 11 A magnified schematic diagram of the structure at point C in the middle;

[0034] Figure 13 A magnified three-dimensional structural diagram of the self-locking spring clip;

[0035] Figure 14 A magnified three-dimensional schematic diagram of the photo-reaction assembly and the rotating disk;

[0036] Figure 15 A cross-sectional three-dimensional structural diagram showing the fit between the photoresist assembly and the turntable;

[0037] Figure 16 for Figure 15 A magnified schematic diagram of the structure at point D in the middle;

[0038] Figure 17 A top view of the structure before the rotation lock of the photo-reaction assembly and the turntable is engaged.

[0039] Figure 18 A top-view schematic diagram of the optical reaction assembly and the turntable after they are locked in place.

[0040] Figure 19 A cross-sectional three-dimensional structural diagram showing the locking of the photo-reaction component and its engagement with the limiting block;

[0041] Figure 20 A magnified three-dimensional structural diagram of the guide spring.

[0042] [Figure Labels]

[0043] 1. Reactor; 2. Leachate inlet; 3. Leachate outlet; 4. Sludge discharge port; 5. Dosing port; 6. Negative pressure chamber; 7. Inspection and observation port; 8. Intelligent pressure gauge; 9. Reaction membrane column; 10. Light source column; 11. Drainage plate; 12. Middle partition plate; 13. Positioning insertion hole; 14. Internal clamping spring; 15. Inclined leakage hole; 16. Inclined plate; 17. Drainage hole; 18. Outward-facing part; 19. Mounting head; 20. Pressing spring; 21. Porous catalyst; 22. First adapter groove; 23. Second adapter groove; 24. Bottom partition plate; 25. Self-locking spring; 26. Weakening groove; 27. Top partition plate; 28. Turntable; 29. ​​Gradient through hole; 30. Guide spring; 31. Limiting block; 32. Third adapter groove; 33. Limiting ball.

[0044] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0045] The leachate resource utilization device provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should also be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0046] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0047] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0048] It is understood that the meanings of “on”, “above”, and “above” in this invention should be interpreted in the broadest manner, such that “on” means not only “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” means not only “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0049] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0050] like Figures 1 to 20As shown, an embodiment of the present invention provides a leachate resource utilization device, including a reactor 1, a leachate inlet 2 installed on the reactor 1, a leachate outlet 3 installed on the side of the reactor 1 away from the leachate inlet 2, a sludge discharge port 4 installed on the outer wall of the bottom of the reactor 1, a dosing port 5 installed on the leachate inlet 2, a middle partition 12 fixedly connected to the inner wall of the reactor 1, the middle partition 12 being located in the middle of the reactor 1, a bottom partition 24 fixedly connected to the bottom of the inner wall of the reactor 1, a top partition 27 fixedly connected to the top of the inner wall of the reactor 1, and a... The device is equipped with a negative pressure assembly to provide a negative pressure environment for reactor 1. The negative pressure assembly is connected to reactor 1. A drainage assembly is installed inside reactor 1 to drain the leachate inside reactor 1. The drainage assembly is connected to reactor 1. Photoreaction assemblies are installed on both the bottom partition 24 and the top partition 27 to provide a light source for reactor 1. The photoreaction assemblies are connected to the bottom partition 24 and the top partition 27, respectively. The resource utilization device provided in this application, by setting the negative pressure assembly, allows reactor 1 to maintain a continuous negative pressure state, thereby reducing... The inhibitory effect of low hydrogen partial pressure on the system further improves the hydrogen production efficiency in reactor 1. By setting up the flow guiding component, not only can the flow direction of the percolate in reactor 1 be guided, but the residence time of the percolate in the device can also be greatly increased, allowing the percolate to fully react with the system and improving the efficiency of hydrogen production from the percolate. In addition, the flow guiding component can take advantage of the flow characteristics of the percolate to automatically stir and mix the flowing percolate, thereby improving the contact between the percolate and the photoreactor. While maintaining the normal operation of the system, it also further improves the efficiency and yield of hydrogen production from the percolate. By setting up the photoreactor, not only can the light source required for the hydrogen production reaction be provided in reactor 1, but it also has a catalytic effect, which can greatly improve the efficiency of hydrogen production from the percolate. In addition, the photoreactor and the flow guiding component can form a structural cooperation. The effect achieved by the cooperation between the two is not only to improve the efficiency of the photoreactor assembly process, but also to improve the stability of the photoreactor during use, thereby providing a more stable light source for reactor 1 and a more stable catalytic effect for the percolate.

[0051] like Figures 1 to 7As shown, the flow guiding assembly includes four sets of flow guiding plates 11 fixedly connected inside the reactor 1. Two sets of flow guiding plates 11 are symmetrically fixed on the inner walls of both sides of the reactor 1, and the other two sets of flow guiding plates 11 are fixed on the left and right side walls of the partition plate 12, and are spaced apart from the flow guiding plates 11 on the inner walls of both sides of the reactor 1. Each flow guiding plate 11 consists of a central protrusion and two side recesses, which are an integral structure. The protrusion has a positioning insertion hole 13. An inner clamping spring 14 is fixedly connected to the inner wall of the positioning socket 13. The positioning socket 13 is an inwardly recessed inclined structure. An outwardly turned part 18 is fixedly connected to the end of the flow guide plate 11 away from the inner wall of the reactor 1. A flow guide hole 17 is opened on the recessed part of the flow guide plate 11 near the outwardly turned part 18. By setting the flow guide assembly, the flow guide plate 11 is set with a multi-curved structure. The protrusion has a larger bending angle and a wider bending range than the recessed part. Moreover, the protrusion is located in the middle of the flow guide plate 11. This arrangement ensures that when the leachate flows below the guide plate 11, the curved shape of the protrusions redirects its flow, achieving a swirling and mixing effect. The continuously flowing leachate, agitated by the protrusions, increases its flow rate. When the leachate reaches the guide hole 17, it passes directly through the guide plate 11, preventing the leachate from accumulating and circulating at the guide plate 11. However, this causes inconvenience to the normal operation of the system. The outward-turning part 18 is installed on the end of the diversion plate 11 near the diversion hole 17. Moreover, the outward-turning part 18 has an outward-turning inclined structure. This setting allows the leachate with a large flow rate after mixing to flow directly to the next set of diversion plates 11 through the inclined structure of the outward-turning part 18. The outward-turning part 18 and the diversion hole 17 can guide and divert the mixed leachate, thereby ensuring that the leachate can flow smoothly through each set of diversion plates 11.

[0052] It is worth mentioning that the diversion plate 11 and the reactor 1 are installed in an inclined fixed manner. The diversion plate 11 has a downward inclined direction. This setting is to allow the protrusion to fully contact the leachate at the bottom of the diversion plate 11, and to prevent the sludge generated during the system reaction from falling onto the surface of the diversion plate 11 and accumulating, thereby affecting the normal operation of the diversion plate 11.

[0053] The positioning hole 13 is located at the protrusion. During the installation of the photoreactor assembly, the guide plate 11 can be directly passed through the positioning hole 13. The positioning hole 13 is an inwardly recessed inclined structure. This structure allows the end of the photoreactor assembly to be guided by the inwardly recessed inclined structure of the positioning hole 13 when it needs to pass through the positioning hole 13, so that the photoreactor assembly can pass through the positioning hole 13 smoothly and efficiently. In addition, the inner clamping spring 14 is fixed on the inner wall of the positioning hole 13. The inner clamping spring 14 has an elastic force that clamps into the positioning hole 13. This setting allows the inner clamping spring 14 to apply an inward clamping force to the photoreactor assembly after it passes through the positioning hole 13. Under the action of the clamping force, not only can the fit between the photoreactor assembly and the guide plate 11 be improved, thereby improving the stability of the photoreactor assembly during use, but it can also buffer the resistance and swaying force brought by the leachate passing through the photoreactor assembly, thereby improving the overall structural stability and robustness of the photoreactor assembly during long-term use.

[0054] In this embodiment, as Figures 2 to 5 As shown, a slanted leakage hole 15 is provided on the recessed portion of the guide plate 11 away from the outward-facing portion 18. A slanted plate 16 is fixedly connected to the end of the guide plate 11 near the slanted leakage hole 15. The side of the guide plate 11 away from the outward-facing portion 18 is connected to the reactor 1 or the partition plate 12. The slanted leakage hole 15 is provided on the recessed portion of the guide plate 11 away from the outward-facing portion 18. The sludge generated during the system reaction will fall downwards from the reactor 1 under the action of gravity. Some of the sludge that falls on the guide plate 11 will slide down along the inclined shape of the protrusion. Inside the drainage hole 17, another portion will continue to fall downwards through the inclined leakage hole 15. It is worth noting that the edge of the inclined leakage hole 15 is in close contact with the inner wall of the reactor 1 or the middle partition 12. Therefore, an inclined plate 16 is also provided on the drainage plate 11. The inclined plate 16 is installed at the edge of the inclined leakage hole 15 and has an inwardly inclined arc. This arrangement allows the sludge passing through the inclined leakage hole 15 to be guided away from the inner wall of the reactor 1 and the middle partition 12 by the inclined plate 16, thereby preventing the sludge from adhering and accumulating on the inner wall of the reactor 1 and the middle partition 12.

[0055] like Figures 7 to 9 and Figures 14 to 18As shown, the photoreaction assembly includes a reaction membrane column 9 inserted into the upper surface of the bottom partition 24. A porous catalyst 21 is disposed on the outer wall of the reaction membrane column 9. A light source column 10 is inserted inside the reaction membrane column 9. The reaction membrane column 9 simultaneously penetrates the guide plate 11 and the top partition 27. A turntable 28 is rotatably connected to the upper surface of the top partition 27. A limiting ball bearing 33 is rotatably connected between the turntable 28 and the top partition 27. The turntable 28 has a gradually changing through-hole 29. By setting up the photoreaction assembly, the photoreaction assembly mainly consists of the reaction membrane column 9 and the light source column 10. It is worth noting that the reaction membrane column 9 has a two-layer structure. The outer porous catalyst 21 has a rough porous structure, and its material itself has a catalytic effect on the leachate. Therefore, the porous catalyst 21 can not only catalyze the leachate but also serve as a carrier for microbial agents, thereby increasing... Increasing the contact area between the permeate and the catalyst and microbial agents further improves the reaction rate of the permeate, thereby increasing the efficiency of hydrogen production in the system. The light source column 10 inserted inside the reaction membrane column 9 can provide the light source required for the hydrogen production reaction inside the reactor 1. The light emitted by the light source column 10 can directly pass through the reaction membrane column 9 and irradiate the reactor 1. Moreover, the overall structure of the reaction membrane column 9 and the light source column 10 is slender, which can increase the illumination area and the coverage area of ​​the catalyst, thereby greatly improving the efficiency of the hydrogen production reaction in the system. During the installation process, the reaction membrane column 9 needs to pass through the top partition plate 27 and the guide plate 11 simultaneously, and finally be inserted into the upper surface of the bottom partition plate 24. This integrated insertion installation method can not only greatly improve the installation efficiency of the reaction membrane column 9, but also make it very convenient for later maintenance and repair.

[0056] In this embodiment, as Figures 8 to 10As shown, a mounting head 19, whose shape matches the top end of the light source column 10, is fixedly connected to one end of the reaction membrane column 9. A pressing spring 20 is fixedly connected to the mounting head 19. A first fitting groove 22, whose shape matches the pressing spring 20, is opened on one end of the top of the light source column 10. The size of the mounting head 19 is larger than the size of the reaction membrane column 9 itself. The operator can directly insert the light source column 10 into the reaction membrane column 9 and then fix the light source column 10 with the help of the mounting head 19. When the light source column 10 is fully inserted into the reaction membrane column 9, the top of the light source column 10 fits snugly into the mounting head 19. Due to the shape of the mounting head 19 and the top of the light source column 10... The shapes are mutually compatible, so the two can be initially positioned by means of their structural features. The pressing spring 20 on the mounting head 19 has an inward elastic force. Furthermore, when the light source column 10 is fully inserted into the reaction membrane column 9, the pressing spring 20 will be directly engaged in the first adapter groove 22 under the action of the elastic force. Since the shapes of the first adapter groove 22 and the pressing spring 20 are mutually compatible, the pressing spring 20 can achieve the effect of fixing the light source column 10. The above settings can greatly improve the assembly efficiency of the light source column 10 and the firmness of the structural fit between the two after assembly when assembling the light source column 10 and the reaction membrane column 9.

[0057] In this embodiment, as Figures 11 to 13As shown, the bottom end of the reaction membrane column 9 is a concave, tapered inclined structure. The upper surface of the bottom partition 24 has a slot adapted to the structure of the bottom end of the reaction membrane column 9. A self-locking spring 25 is fixedly connected in the slot. A second fitting groove 23 adapted to the shape of the self-locking spring 25 is formed on the outer wall of the bottom end of the reaction membrane column 9. A weakening groove 26 is formed on the self-locking spring 25. During installation, the reaction membrane column 9 needs to pass through the top partition 27 and the drainage plate 11 before being inserted and fixed onto the bottom partition 24. Because the bottom of the reaction membrane column 9 has a concave, tapered inclined structure, the reaction membrane column 9 can pass through the top partition 27 and the drainage plate 11 more smoothly during insertion. This design greatly improves the efficiency of the reaction membrane column 9 insertion process. When the reaction membrane column 9 is inserted into the slot on the bottom partition 24, the self-locking spring 25 automatically locks the reaction membrane column 9. The principle is... First, the self-locking spring 25 is a curved elastic structure. Its curved structure not only has an outward expansion elastic force, but also has a weakening groove 26. The weakening groove 26 can further improve the elastic performance of the self-locking spring 25 at the bend, thus making it more conducive to the elastic deformation of the self-locking spring 25. Second, the self-locking spring 25 has an inward inclined arc at the bend. During the process of inserting the reaction membrane column 9 into the slot, the self-locking spring 25 can deform and retract together by means of its inclined structure. When the second adapter groove 23 slides to the self-locking spring 25, the self-locking spring 25, which has retracted together under the action of elasticity, will restore its deformation and form an adaptive snap-fit ​​with the second adapter groove 23. After the snap-fit ​​is completed, the reaction membrane column 9 can be fixed by means of the adaptive effect of the two structures. The above settings allow the reaction membrane column 9 to be automatically fixed during the process of inserting into the bottom partition plate 24, thus greatly improving the installation efficiency of the reaction membrane column 9.

[0058] In this embodiment, as Figures 14 to 20As shown, the gradient through-hole 29 consists of an enlarged portion at one end, a reduced portion at the other end, and a transition portion with a circular arc structure in the middle. The size of the enlarged portion is larger than the size of the reaction membrane column 9 but smaller than the size of the mounting head 19. The size of the reduced portion is adapted to the size of the reaction membrane column 9. A guide spring 30 is fixedly connected to the inner wall of the transition portion, and a limit block 31 is fixedly connected to the inner wall of the reduced portion. A third fitting groove 32 that matches the shape of the limit block 31 is opened on the outer wall of the top end of the reaction membrane column 9. After the bottom of the reaction membrane column 9 is fixed, the operator can use the turntable 28 to adjust the top of the reaction membrane column 9. Once fixed in place, during the process of inserting the reaction membrane column 9 into the reactor 1, the reaction membrane column 9 passes precisely through the enlarged portion of the gradient through-hole 29. Since the enlarged portion is larger than the reaction membrane column 9, the turntable 28 does not obstruct the view of the reaction membrane column 9 during insertion, thus facilitating the operator's observation of its insertion position and improving the efficiency of the installation process. After all the reaction membrane columns 9 have been inserted, the operator only needs to rotate the turntable 28 to allow the narrowed portion of the gradient through-hole 29 to slide along the transition portion towards the reaction membrane column 9. The transition section is located between the expanding and contracting sections, and a guide spring 30 is provided on the surface of the transition section. The guide spring 30 not only has an inward elastic force, but also has a gradually changing structure; the closer the guide spring 30 is to the contracting section, the weaker its inward elastic force. This arrangement allows the turntable 28 to apply varying clamping forces to the reaction membrane column 9 during rotation using the guide spring 30. Under the action of the clamping force, not only is the stability of the sliding process between the turntable 28 and the reaction membrane column 9 improved, but the reaction membrane column 9 also serves as a guide and limiter until the reaction membrane... After the column 9 is fully slid into the shrinking section, the third adapter groove 32 on the reaction membrane column 9 will engage with the limiting block 31 on the shrinking section. Since the structure between the limiting block 31 and the third adapter groove 32 is mutually compatible, the turntable 28 will fix the reaction membrane column 9 after the two are engaged. The above settings enable the operator to automatically fix multiple sets of reaction membrane columns 9 simultaneously while rotating the turntable 28. Moreover, the fixing process is automatically guided and limited, without the need for manual adjustment and limiting by the operator, which greatly improves the installation efficiency of the reaction membrane column 9.

[0059] like Figure 1 As shown, the negative pressure assembly includes a negative pressure chamber 6 installed at one end of the top of the reactor 1. A smart pressure gauge 8 is fixedly connected to the outer wall of the negative pressure chamber 6. The negative pressure chamber 6 is connected to an external negative pressure power device. A maintenance observation port 7 is installed on the outer wall of the negative pressure chamber 6. The pressure indication provided by the smart pressure gauge 8 is linked with the negative pressure system, thereby ensuring the stability of the negative pressure in the hydrogen production system. The maintenance observation port 7 can be used to observe the operating status of the leachate hydrogen production system.

[0060] The working principle of this invention is as follows: Leachate is fed into the reaction vessel 1 through the leachate inlet 2. During the leachate feeding process, microbial agents and reaction enzymes are added to the reaction vessel 1 through the addition port 5. The system produces hydrogen in two steps. First, under anaerobic conditions, large organic molecules in the leachate are degraded into smaller organic molecules, simultaneously generating hydrogen. In the reaction vessel 1 under anaerobic conditions, a microbial-enzyme-catalyst combination is used to degrade the large organic molecules in the leachate. Here, the microbial agent is preferably an ethanol-based fermentation microorganism, thereby reducing the inhibitory effect of acidic degradation products on the system. Then, under light source conditions, a porous catalyst 21 and microorganisms in the reaction membrane column 9 convert the smaller organic molecules into hydrogen. After the reaction is complete, the leachate is finally discharged from the leachate outlet 3, and the sludge generated during the reaction is finally discharged from the sludge discharge port 4. During the reaction, a negative pressure component provides a negative pressure environment inside the reaction vessel 1, thereby reducing the inhibitory effect of hydrogen partial pressure on the system.

[0061] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0062] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A leachate resource utilization device, comprising a reaction kettle, characterized in that, The reaction kettle is provided with a leachate inlet, a leachate outlet is arranged on the side of the reaction kettle away from the leachate inlet, a sludge discharge port is arranged on the outer wall of the bottom of the reaction kettle, a feeding port is arranged on the leachate inlet, a middle partition plate is fixedly connected to the inner wall of the reaction kettle, the middle partition plate is located in the middle of the reaction kettle, a bottom partition plate is fixedly connected to the inner wall bottom of the reaction kettle, and a top partition plate is fixedly connected to the inner wall top of the reaction kettle; A negative pressure assembly is arranged at one end of the top of the reaction kettle, the negative pressure assembly is used for providing a negative pressure environment for the reaction kettle, and the negative pressure assembly is connected with the reaction kettle; A drainage assembly is arranged in the reaction kettle, the drainage assembly is used for draining the leachate in the reaction kettle, and the drainage assembly is connected with the reaction kettle; Light reaction assemblies are arranged on the bottom partition plate and the top partition plate, the light reaction assemblies are used for providing light sources for the reaction kettle, and the light reaction assemblies are respectively connected with the bottom partition plate and the top partition plate; The light reaction assembly comprises a reaction membrane column inserted into the upper surface of the bottom partition plate, a porous catalyst is arranged on the outer wall of the reaction membrane column, a light source column is inserted into the reaction membrane column, the drainage assembly comprises a drainage plate fixedly connected to the reaction kettle, the reaction membrane column penetrates through the drainage plate and the top partition plate at the same time, an upper surface of the top partition plate is rotatably connected with a rotating disc, a limiting ball is rotatably connected between the rotating disc and the top partition plate, and a gradually changing through hole is formed in the radial horizontal surface of the rotating disc; The gradually changing through hole comprises an enlarged portion at one end, a reduced portion at the other end and a transition portion of a circular arc structure in the middle, the size of the enlarged portion is larger than that of the reaction membrane column, the size of the reduced portion is matched with that of the reaction membrane column, and when the reaction membrane column is inserted into the enlarged portion of the gradually changing through hole, the rotation of the rotating disc will make the reduced portion on the gradually changing through hole slide along the transition portion to the reaction membrane column.

2. The leachate resource utilization device according to claim 1, characterized in that, The drainage plate comprises a convex portion in the middle and concave portions on both sides, the convex portion and the concave portions are an integral structure, a positioning insertion hole is formed in the convex portion, an inner clamping elastic sheet is fixedly connected to the inner wall of the positioning insertion hole, and the positioning insertion hole is an inwardly recessed inclined structure.

3. The leachate resource utilization device according to claim 2, characterized in that, An everted portion is fixedly connected to one end of the drainage plate away from the inner wall of the reaction kettle, a drainage hole is formed in the concave portion on the side of the drainage plate close to the everted portion.

4. The leachate resource utilization device according to claim 2, characterized in that, An inclined leakage hole is formed in the concave portion on the side of the drainage plate away from the everted portion, and an inclined plate is fixedly connected to one end of the drainage plate close to the inclined leakage hole.

5. The leachate resource utilization device according to claim 1, characterized in that, An installation head matched with the shape of one end of the top of the light source column is fixedly connected to one end of the top of the reaction membrane column, a pressing elastic sheet is fixedly connected to the installation head, and a first matching groove matched with the shape of the pressing elastic sheet is formed in one end of the top of the light source column.

6. The leachate resource utilization device according to claim 1, characterized in that, The bottom end of the reaction membrane column is a tapered structure with inward concave, the upper surface of the bottom baffle is provided with a slot matched with the structure of the bottom end of the reaction membrane column, a self-locking elastic sheet is fixedly connected in the slot, a second matching groove matched with the shape of the self-locking elastic sheet is formed in the outer wall of the bottom end of the reaction membrane column, and a weakening groove is formed in the self-locking elastic sheet.

7. The leachate resource utilization device according to claim 5, characterized in that, The size of the enlarged part is smaller than that of the mounting head, and a guide elastic sheet is fixedly connected to the inner wall of the transition part.

8. The leachate resource utilization device according to claim 1, characterized in that, A limiting block is fixedly connected to the inner wall of the reduced part, and a third matching groove matched with the shape of the limiting block is formed in the outer wall of the top end of the reaction membrane column.

9. The leachate resource utilization device according to claim 1, characterized in that, The negative pressure assembly comprises a negative pressure bin mounted at the top end of the reaction kettle, an intelligent pressure gauge is fixedly connected to the outer wall of the negative pressure bin, the negative pressure bin is connected with an external negative pressure power device, and an observation opening is mounted on the outer wall of the negative pressure bin.

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