Microbial battery
By using electroactive microorganisms as the anode and Fe3O4 as the cathode in microbial batteries, the Fenton reaction eliminates organic matter, solving the problems of complex structure and low efficiency of existing microbial batteries, and achieving efficient wastewater treatment and power generation.
Patent Information
- Application Number
- CN202411909956.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-03-28
AI Technical Summary
The existing microbial batteries have complex structures and high production costs, which cannot efficiently decompose organic matter, affecting power supply and overall performance.
A microbial cell was designed, using electroactive microorganisms as the anode and Fe3O4 as the cathode, and eliminating BPA and BOD through the Fenton reaction to achieve rapid decomposition of organic matter and power generation.
It realizes rapid metabolism of microorganisms, efficient treatment of sewage and electricity, reducing equipment complexity and production costs, and improving overall performance.
Smart Images
Figure CN119725649A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of biological battery design, and in particular to a microbial battery. Background Art
[0002] Microbial batteries are devices that convert electrons generated during microbial metabolism directly into electrical energy. They combine the principles of microbiology and electrochemistry and can generate electricity using organic matter as fuel without the need for an external power source. Microbial batteries have broad application prospects in the fields of renewable energy, wastewater treatment, and environmental protection. Especially in the wastewater treatment process, organic matter can be quickly decomposed while generating electricity. The rapid removal of organic matter in water can reduce the eutrophication of water and reduce the complexity of subsequent treatment. Existing microbial batteries are relatively complex as a whole, with high production costs. At the same time, they cannot efficiently decompose organic matter, which affects power supply and overall performance. Summary of the invention
[0003] In order to solve the technical problem of complex structure, the present invention provides a microbial battery.
[0004] The present invention is implemented by the following technical scheme: a microbial battery, comprising: a battery box, the upper side of which is connected to an adsorption block, and the bottom of the battery box is connected to an adsorption tank; an anode, which is arranged on one side of the battery box; a cathode, which is arranged on the other side of the battery box, wherein the anode is mainly composed of electroactive microorganisms, and the cathode is made of Fe3O4, and organic matter is eliminated through the Fenton reaction.
[0005] As a further improvement of the above scheme, the anode includes: a conductive tube 1, which is fixedly connected to the battery box, one end of the conductive tube 1 extends to the outside of the battery box, the bottom of the conductive tube 1 is connected to a path tube, a return tube 1 is connected to the path tube, both ends of the return tube 1 pass through the battery box and extend to the outside of the battery box; the cathode includes: a wire 1, which is fixedly connected to the battery box, one end of the wire 1 extends to the outside of the battery box, and one end of the wire 1 is connected to a conductive ring 1 fixedly connected to the battery box; a reaction column 1 is connected to the conductive ring 1, an aeration ring 1 located in the battery box is arranged below the reaction column 1, and one side of the aeration ring 1 is connected to an aeration tube 1 extending to the outside of the battery box.
[0006] As a further improvement of the above scheme, the anode includes: a conductive tube 2, which is fixedly connected to the battery box, and one end of the conductive tube 2 extends to the outside of the battery box; a breeding circle 1, which is provided with multiple breeding circles, which are connected to each other, and a plurality of extension tubes are provided on the breeding circle 1, and the breeding circle 1 located at the top is connected to the conductive tube 2; the cathode includes: a contact tube, which is fixedly connected to the battery box, and the bottom of the contact tube is fixedly connected to the reaction column 2; an aeration circle 2, which is fixedly connected to the reaction column 2, one side of the aeration circle 2 is connected to the aeration tube 2, and one end of the aeration tube 2 extends to the outside of the aeration tube 2.
[0007] As a further improvement of the above solution, an intermediate layer 1 is fixedly connected in the middle of the battery box, and an insulating sleeve is sleeved on the outer side of the contact tube.
[0008] As a further improvement of the above scheme, the anode includes: a conductive tube three, which is fixedly connected to the battery box; a breeding unit, which is provided with multiple breeding units, the breeding unit located at the top is rotatably connected to the conductive tube three, and the outer side of the breeding unit is connected to a stabilizing ring fixedly connected to the battery box; a return pipe, which intercepts the breeding unit at the bottom, one end of the return pipe is connected to an insertion tube located outside the battery box, and the end of the return pipe away from the insertion tube extends to the outside of the battery box; the cathode includes: a conductive ring two, which is fixedly connected to the battery box, the middle of the conductive ring two is rotatably connected to a follower tube, and the bottom of the follower tube is fixedly connected to a reaction column three; a wire two, one end of which is fixedly connected to the conductive ring two, and the other end of the wire two extends to the outside of the battery box; an aeration ring three, which is connected to the reaction column three, and one side of the aeration ring three is connected to an aeration tube three.
[0009] As a further improvement of the above scheme, the breeding unit includes: a rotating circle, a breeding circle 2 is rotatably sleeved on the bottom of the rotating circle, and the rotating circle located at the top is rotatably connected to the conductive tube 3; an extension tube 2, which is fixedly connected to the breeding circle 2, and a plurality of extension tubes 1 are fixedly connected to the extension tube 2.
[0010] As a further improvement of the above scheme, multiple battery boxes form a battery pack, and the battery pack includes a central box connected to multiple conductive tubes in three phases, one end of the multiple central boxes is commonly connected to a feeding pipe, the bottom of the feeding pipe is connected to a connecting pipe, one end of the multiple wires is electrically connected to a bus, one end of the multiple aeration tubes is commonly connected to an inlet pipe, one end of the multiple inlet pipes is connected to a shunt pipe, and one side of the shunt pipe is fixedly connected to a ventilation pipe.
[0011] As a further improvement of the above solution, a vent hole is provided on the battery box, and an observation window is provided on the battery box.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. Through the cooperation between multiple devices, microorganisms can be metabolized quickly, and then sewage can be quickly treated and electrons can be generated for transfer. By setting the electrode with electroactive microorganisms as anode and Fe3O4 as cathode, BPA and BOD can pass through the anode biological zone, and BOD is eliminated to generate electrons. The electrons are transferred to the cathode, and BOD is carried to the cathode with the solution. Aeration is carried out above the cathode, and oxygen obtains electrons to become H2O2, so that BOD is eliminated through the Fenton reaction, achieving the effect of oxidation treatment and power generation, realizing the rapid progress of power production and sewage treatment, and achieving better ecological treatment. At the same time, the overall size is smaller, reducing the cost of use and increasing the overall performance.
[0014] 2. Through the coordination between multiple devices, you can make choices according to your needs and adapt to work needs while ensuring the effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural diagram of Example 1;
[0016] Figure 2 This is a structural diagram of Example 2;
[0017] Figure 3 This is a structural diagram of Example 3;
[0018] Figure 4 This is a structural diagram of Example 4;
[0019] Figure 5 It is a partial structural diagram of Example 4;
[0020] Figure 6 This is the structural diagram of Example 5.
[0021] Description of main symbols:
[0022] 01. Battery box; 02. Conductive circle 1; 03. Wire 1; 05. Reaction column 1; 06. Aeration tube 1; 07. Aeration circle 1; 08. Reflux tube 1; 09. Path tube; 10. Conductive tube 1; 11. Breeding circle 1; 12. Conductive tube 2; 13. Intermediate layer 1; 14. Contact tube; 15. Reaction column 2; 16. Aeration tube 2; 17. Aeration circle 2; 18. Extension tube; 20. Conductive tube 3; 21. Stabilization circle; 22. Intermediate layer 1 Layer two; 23, conductive circle two; 24, follow-up tube; 25, conductor two; 26, insulating sealing sleeve; 27, reaction column three; 28, aeration tube three; 29, aeration circle three; 30, breeding circle two; 32, insertion tube; 33, reflux tube; 34, rotating circle; 35, extension tube one; 36, extension tube two; 37, central box; 38, feeding tube; 39, connecting tube; 40, ventilation tube; 41, shunt tube; 42, entry tube; 43, bus. DETAILED DESCRIPTION
[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0024] Embodiment 1:
[0025] Please combine Figure 1 ,
[0026] A microbial battery, comprising:
[0027] The battery box 01 is connected to an adsorption block on its upper side, and an adsorption groove is connected to the bottom of the battery box 01. The battery box 01 reacts, and the adsorption blocks and adsorption grooves between the two battery boxes 01 cooperate with each other to achieve corresponding connections, so that high-density stacking can be performed to carry out a large amount of processing work.
[0028] The anode is arranged on one side of the battery box 01. Electroactive microorganisms are arranged in the anode to treat the sewage.
[0029] The cathode is arranged at the other side of the battery box 01 and is made of Fe3O4 material.
[0030] The implementation principle of the embodiment of the present application is: the electroactive microorganisms are used as the anode, Fe3O4 is used as the cathode, and then BPA and BOD pass through the anode biological zone, BOD is eliminated to generate electrons, and after internal movement, the electrons are transferred to the cathode, and BOD is carried to the cathode along with the solution, and aeration can be performed above the cathode, and oxygen gains electrons to become H2O 2， Thereby, BOD is eliminated through the Fenton reaction, completing the purification work, and at the same time, electric current is generated to form a microbattery.
[0031] Embodiment 2:
[0032] Please combine Figure 1-2 ,
[0033] The anode includes:
[0034] Conductive tube 10 is fixedly connected to battery box 01, one end of conductive tube 10 extends to the outside of battery box 01, the bottom of conductive tube 10 is connected with pipe 09, conductive tube 10 is electrically connected to the outside, and conductive tube 10 is connected to the external sewage pipe. Water is quantitatively injected into battery box 01 as needed, pipe 09 is filled with electrical microorganisms, water treatment and self-reproduction are carried out, and biological activities are generated to realize the consumption of organic matter. Through holes are set on pipe 09 to ensure the flow of organic matter;
[0035] A return pipe 08 is connected to the path tube 09. Both ends of the return pipe 08 penetrate the battery box 01 and extend to the outside of the battery box 01. The return pipe 08 is used to discharge sewage in the battery box 01.
[0036] The cathode includes:
[0037] A wire 03 is fixedly connected to the battery box 01, one end of which extends to the outside of the battery box 01, and one end of which is connected to a conductive ring 02 fixedly connected to the battery box 01. The wire 03 outputs electricity and supports and stabilizes the conductive ring 02;
[0038] The reaction column 05 is connected to the conductive ring 02. An aeration ring 07 located in the battery box 01 is arranged below the reaction column 05. One side of the aeration ring 07 is connected to an aeration tube 06 extending to the outside of the battery box 01. The reaction column 05 is a rod formed by Fe3O4 to realize electrochemical reaction. The aeration tube 06 is connected to an external gas supply mechanism, and then diffused into the battery box 01 through the aeration ring 07 to provide oxygen.
[0039] This embodiment is further improved on the basis of the embodiment 1 in that: the organic matter in sewage can be continuously provided through the conductive tube 10, and then overflows into the battery box 01, and cooperates with the metabolism of microorganisms in the road tube 09, and the BOD is carried to the cathode along with the solution, and cooperates with the air supply of the aeration pipe 06, and overflows from the aeration circle 07, thereby realizing aeration above the cathode, and oxygen gains electrons and becomes H2O 2， Thereby, BOD is eliminated through the Fenton reaction, completing the purification work.
[0040] Embodiment 3:
[0041] Please combine Figure 1-Figure 3 , the anode comprises:
[0042] The conductive tube 12 is fixedly connected to the battery box 01. One end of the conductive tube 12 extends to the outside of the battery box 01. The conductive tube 12 is connected to the outside to supply organic matter. At the same time, a wire is connected to the conductive tube 12 to ensure the overall conductive work.
[0043] There are multiple breeding circles 11, which are connected to each other. A plurality of extension tubes 18 are provided on the breeding circle 11. The breeding circle 11 at the top is connected to the conductive tube 2 12. The breeding circle 11 and the extension tube 18 provide larger attachment points to ensure the growth of microorganisms.
[0044] The cathode includes:
[0045] The contact tube 14 is fixedly connected to the battery box 01. The bottom of the contact tube 14 is fixedly connected to the reaction column 2 15. The contact tube 14 is externally connected and electrically conductive. The reaction column 2 15 is made of ferroferric oxide to perform the corresponding reaction.
[0046] The aeration ring 17 is fixedly connected to the reaction column 15 . One side of the aeration ring 17 is connected to the aeration pipe 16 . One end of the aeration pipe 16 extends to the outside of the aeration pipe 16 .
[0047] An intermediate layer 13 is fixedly connected to the middle of the battery box 01, and an insulating sleeve is sleeved on the outer side of the contact tube 14.
[0048] This embodiment is a further improvement on the basis of the embodiment 2 in that: the microorganism addition point and the attachment point are enlarged by the culture circle 11 and the extension tube 18, so that the reaction is more rapid, and the system is stabilized in cooperation with the middle layer 13.
[0049] Embodiment 4:
[0050] Please combine Figure 1-Figure 5 , the anode comprises:
[0051] Conductive tube 3 20, which is fixedly connected to battery box 01, is used to provide organic matter, and at the same time, the outside of conductive tube 3 20 is connected with wires to ensure power transmission;
[0052] The breeding unit is provided with multiple ones. The breeding unit located at the top is rotatably connected to the conductive tube 3 20. The outer side of the breeding unit is connected to a stabilizing ring 21 fixedly connected to the battery box 01. The breeding unit further expands the microorganism addition point and the attachment point. The stabilizing ring 21 supports the multiple breeding units.
[0053] The return pipe 33 is intercepted with the breeding unit at the bottom. One end of the return pipe 33 is connected to the insertion pipe 32 located outside the battery box 01. The end of the return pipe 33 away from the insertion pipe 32 extends to the outside of the battery box 01. The return pipe 33 is used to guide and discharge the treated water. The insertion pipe 32 facilitates the connection between multiple return pipes 33.
[0054] The cathode includes:
[0055] The conductive ring 23 is fixedly connected to the battery box 01. The middle of the conductive ring 23 is rotatably connected to a follower tube 24. The bottom of the follower tube 24 is fixedly connected to a reaction column 3 27. The conductive ring 23 is supported and cooperates with the wire 25 for power transmission. The follower tube 24 facilitates the connection of the reaction column 3 27.
[0056] The second wire 25 has one end fixedly connected to the second conductive ring 23, and the other end of the second wire 25 extends to the outside of the battery box 01, and the insulating sealing sleeve 26 performs sealing and insulation to achieve the working needs;
[0057] The aeration ring 3 29 is connected to the reaction column 3 27. One side of the aeration ring 3 29 is connected to the aeration pipe 3 28. The aeration ring 3 29 provides support and aeration at the same time to ensure the oxidation work.
[0058] The breeding unit includes:
[0059] The rotating circle 34, the bottom of the rotating circle 34 is rotatably sleeved with the breeding circle 2 30, and the rotating circle 34 at the top is rotatably connected with the conductive tube 3 20, the rotating circle 34 is connected and supported, and at the same time ensures the entry of organic matter, the breeding circle 2 30 can rotate under disturbance, thereby adapting to the surrounding liquid concentration, and improving the working efficiency of the organisms, and at the same time, a plurality of holes are set on the breeding circle 2 30 to ensure the passage of substances;
[0060] The second extension tube 36 is fixedly connected to the second breeding circle 30, and a plurality of first extension tubes 35 are fixedly connected to the second extension tube 36. The second extension tube 36 is used for diversion and attachment of microorganisms, and the first extension tube 35 further expands the attachment points.
[0061] This embodiment is further improved on the basis of the embodiment 3 in that the reaction area is further expanded by means of the rotating circle 34, the extension tube 1 35 and the plurality of culture circles 2 30, while achieving a long-term stable reaction rate, thereby ensuring the overall processing work and power supply.
[0062] Embodiment 5:
[0063] Please combine Figure 1-Figure 6 A plurality of battery boxes 01 form a battery pack, and the battery pack includes a central box 37 connected to a plurality of conductive tubes 320, one end of the plurality of central boxes 37 is commonly connected to a feeding pipe 38, the bottom of the feeding pipe 38 is connected to a connecting pipe 39, one end of a plurality of conductive wires 25 is electrically connected to a bus 43, one end of a plurality of aeration tubes 328 is commonly connected to an inlet pipe 42, one end of the plurality of inlet pipes 42 is connected to a shunt pipe 41, one side of the shunt pipe 41 is fixedly connected to a ventilation pipe 40, which is connected to the outside through the connecting pipe 39 for continuous raw material supply, and then shunted after passing through the feeding pipe 38, the central box 37, and the conductive tube 320 to ensure the operation of the entire battery pack, and at the same time, the electricity enters the bus 43 through the insulating sealing sleeve 26 to realize the conduction of electricity, and the external gas enters the battery box 01 through the ventilation pipe 40, the shunt pipe 41, and the inlet pipe 42 to realize the supply of oxygen.
[0064] The battery box 01 is provided with a vent hole and an observation window. The vent hole allows ventilation and the observation window allows for convenient viewing of the interior.
[0065] Based on Example 1, this embodiment is further improved in that: by using multiple groups of battery boxes 01 in conjunction with other pipelines and wires, overall control and individual control can be achieved, so that large-scale sewage treatment and power generation can be achieved to ensure corresponding work needs.
[0066] Among them, based on the above-mentioned microbial battery, the reaction column 105, reaction column 215, and reaction column 327 on the cathode can be changed to Fe3O4 and filled with quartz sand and biochar (conductive tube 3 20%-breeding circle 2 30%), and a foam nickel mesh is laid under the reaction column 105, reaction column 215, and reaction column 327 as a supporting electrode. Pure quartz sand is placed in the middle layer 13.
[0067] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A microbial battery, characterized in that: include: A battery box, the upper side of which is connected to an adsorption block, and the bottom of the battery box is connected to an adsorption slot; an anode disposed on one side of the battery box; a cathode disposed on the other side of the battery box; The anode is mainly composed of electroactive microorganisms, the cathode is made of Fe3O4, and organic matter is eliminated through the Fenton reaction.
2. A microbial battery as claimed in claim 1, characterized in that: The anode comprises: The conductive tube 1 is fixedly connected to the battery box, one end of the conductive tube 1 extends to the outside of the battery box, and the bottom of the conductive tube 1 is connected to a road tube. A return pipe 1 is connected to the path tube, and both ends of the return pipe 1 penetrate the battery box and extend to the outside of the battery box; The cathode comprises: A wire 1 is fixedly connected to the battery box, one end of which extends to the outside of the battery box, and one end of which is connected to a conductive ring 1 fixedly connected to the battery box; A reaction column 1 is connected to a conductive ring 1. An aeration ring 1 located in the battery box is arranged below the reaction column 1. One side of the aeration ring 1 is connected to an aeration pipe 1 extending to the outside of the battery box.
3. A microbial battery as claimed in claim 1, characterized in that: The anode comprises: Conductive tube 2 is fixedly connected to the battery box, and one end of the conductive tube 2 extends to the outside of the battery box; A breeding circle 1, which is provided in plurality, and the plurality of breeding circles 1 are connected to each other, and a plurality of extension tubes are provided on the breeding circle 1, and the breeding circle 1 at the top is connected to the conductive tube 2; The cathode comprises: A contact tube, which is fixedly connected to the battery box, and a second reaction column is fixedly connected to the bottom of the contact tube; Aeration ring 2 is fixedly connected to reaction column 2. One side of aeration ring 2 is connected to aeration pipe 2, and one end of aeration pipe 2 extends to the outside of aeration pipe 2.
4. A microbial battery as claimed in claim 1, characterized in that: An intermediate layer 1 is fixedly connected in the middle of the battery box, and an insulating sleeve is sleeved on the outer side of the contact tube.
5. A microbial battery as claimed in claim 1, characterized in that: The anode comprises: Conductive tube three, which is fixedly connected to the battery box; The breeding units are provided with a plurality of them, the breeding units located at the top are rotatably connected with the conductive tube, and the outer side of the breeding units is connected with a stabilizing ring fixedly connected with the battery box; A return pipe is intercepted with the breeding unit at the bottom, one end of the return pipe is connected to an insertion pipe located outside the battery box, and one end of the return pipe away from the insertion pipe extends to the outside of the battery box; The cathode comprises: Conductive ring 2 is fixedly connected to the battery box, the middle of the conductive ring 2 is rotatably connected to a follower tube, and the bottom of the follower tube is fixedly connected to a reaction column 3; A second conductor, one end of which is fixedly connected to the second conductive ring, and the other end of which extends to the outside of the battery box; Aeration circle three is connected to reaction column three, and one side of aeration circle three is connected to aeration pipe three.
6. A microbial battery as claimed in claim 5, characterized in that: The breeding unit comprises: A rotating circle, wherein the bottom of the rotating circle is rotatably sleeved with the second breeding circle, and the rotating circle at the top is rotatably connected with the third conductive tube; The extension tube 2 is fixedly connected to the breeding circle 2, and a plurality of extension tubes 1 are fixedly connected to the extension tube 2.
7. A microbial battery as claimed in claim 6, characterized in that: A plurality of the battery boxes form a battery pack, and the battery pack includes a central box connected to a plurality of conductive tubes in three phases, one end of the plurality of central boxes is commonly connected to a feeding pipe, the bottom of the feeding pipe is connected to a connecting pipe, one end of a plurality of wires two is electrically connected to a bus, one end of a plurality of aeration tubes three is commonly connected to an inlet pipe, one end of the plurality of inlet pipes is connected to a shunt pipe, and one side of the shunt pipe is fixedly connected to a ventilation pipe.
8. A microbial battery as claimed in claim 6, characterized in that: The battery box is provided with a vent hole and an observation window.