Microalgae-mediated power generation energy storage and sewage purification coupling device

By using a microalgae-mediated power generation and storage coupled with wastewater purification, the problems of high energy consumption and complex equipment in traditional technologies have been solved, achieving efficient coupling between wastewater purification and energy production, and improving the wastewater purification effect and equipment efficiency.

CN224147858UActive Publication Date: 2026-04-21NORTHEASTERN UNIV CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NORTHEASTERN UNIV CHINA
Filing Date
2025-05-27
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Traditional wastewater treatment technologies are energy-intensive and cannot effectively utilize pollutants as resources. The independent operation of microalgae cultivation and power generation systems results in complex equipment and high costs, making it difficult to achieve economical and efficient wastewater purification and energy production.

Method used

The design incorporates a microalgae-mediated power generation and storage coupled with wastewater purification. Microalgae grow within a serpentine glass pipe, absorbing pollutants from wastewater. The treated microalgae biomass is then transported to a microalgae biofuel cell and converted into electrical energy, thus achieving the coupling of wastewater purification and power generation.

Benefits of technology

It achieves economical and efficient wastewater purification and energy production, absorbing pollutants through photosynthesis and converting them into electrical energy, thereby improving wastewater purification efficiency and equipment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of environmental protection and new energy, and particularly discloses a microalgae-mediated power generation energy storage and sewage purification coupling device which comprises a microalgae sewage treatment mechanism and a microalgae biological fuel cell coupling mechanism assembled on one side of the microalgae sewage treatment mechanism, the microalgae sewage treatment mechanism comprises a supporting frame and a supporting seat, an S-shaped glass tube is fixedly mounted on the inner wall of the supporting frame, reflecting covers corresponding to the S-shaped glass tube are fixedly mounted at the front end and the rear end of the supporting frame, and a reactor is fixedly mounted at the top of the supporting seat; pollutants in sewage can be absorbed in the snakelike glass pipeline through microalgae to purify the sewage, meanwhile, the treated microalgae biomass is conveyed into the microalgae biofuel cell coupling mechanism, chemical energy is converted into electric energy, power can be generated in the sewage treatment process, and the sewage treatment efficiency is improved. Economical and efficient sewage purification and energy production are effectively realized.
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Description

Technical Field

[0001] This utility model belongs to the field of environmental protection and new energy technology, specifically relating to a microalgae-mediated power generation and energy storage coupled with wastewater purification device. Background Technology

[0002] With the rapid advancement of industrialization and urbanization, environmental pollution and energy crises have become increasingly severe, posing significant challenges to sustainable development. On the one hand, large amounts of untreated wastewater are discharged directly, leading to frequent environmental problems such as eutrophication and heavy metal pollution, seriously threatening ecological security and human health. On the other hand, the depletion of traditional fossil fuels and climate change caused by greenhouse gas emissions have prompted an urgent global demand for the development and utilization of renewable energy. Microalgae, as photosynthetic autotrophic microorganisms, are considered potential organisms for wastewater purification due to their rapid growth, high photosynthetic efficiency, and ability to efficiently absorb nutrients such as nitrogen and phosphorus, as well as pollutants such as heavy metals from wastewater. Furthermore, the organic matter produced by microalgae photosynthesis can be converted into electricity through microbial fuel cells, providing a new pathway for the production of renewable energy.

[0003] However, traditional wastewater treatment technologies, such as the activated sludge process, are energy-intensive and cannot effectively utilize pollutants in wastewater. Microalgae cultivation and power generation systems usually operate independently, resulting in complex equipment and high costs, making it difficult to achieve economical and efficient wastewater purification and energy production. To address these issues, the applicant proposes a microalgae-mediated power generation and energy storage coupled with wastewater purification device. Utility Model Content

[0004] The purpose of this invention is to provide a microalgae-mediated power generation, energy storage, and wastewater purification coupling device. Microalgae grow in a serpentine glass pipe, using organic matter, nitrogen, phosphorus, and other pollutants in wastewater as nutrients. Through photosynthesis, they absorb pollutants from the wastewater, thus purifying it. Simultaneously, the treated microalgae biomass is transported to a microalgae biofuel cell coupling mechanism, where the chemical energy in the organic matter is converted into electrical energy through microbial metabolism. This allows for simultaneous power generation during wastewater treatment, effectively achieving economical and efficient wastewater purification and energy production.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A microalgae-mediated power generation, energy storage, and wastewater purification coupling device includes:

[0007] A microalgae wastewater treatment device and a microalgae biofuel cell coupling mechanism assembled on one side of the microalgae wastewater treatment device;

[0008] The microalgae wastewater treatment mechanism includes a support frame and a support base. A serpentine glass tube is fixedly installed on the inner wall of the support frame. Reflectors corresponding to the serpentine glass tube are fixedly installed at the front and rear ends of the support frame. A reactor is fixedly installed on the top of the support base.

[0009] The microalgae biofuel cell coupling mechanism includes a fixed frame located on one side of the support frame, a liquid storage tank is placed inside the fixed frame, a delivery pipe is connected between the liquid storage tank and the serpentine glass tube, and an anode plate and a cathode plate are fixedly installed inside the liquid storage tank.

[0010] Preferably, an illumination tube corresponding to the serpentine glass tube is fixedly installed inside the support frame, and the illumination tube corresponds to the reflector.

[0011] Preferably, a delivery pump is fixedly installed on the support base, and the suction end of the delivery pump is connected to the bottom of the reactor via an input pipe.

[0012] Preferably, an output pipe is connected between the outlet end of the delivery pump and the first end of the serpentine glass tube, and a return pipe extending into the reactor is connected to the end of the serpentine glass tube.

[0013] Preferably, a spiral seat is fixedly installed inside the reactor, and a drain pipe is connected to the bottom of the serpentine glass tube.

[0014] Preferably, a lighting column is fixedly installed inside the liquid storage cylinder, and the lighting column is located between the anode plate and the cathode plate.

[0015] Preferably, a capacitor bank is placed on the mounting frame at a position on one side of the liquid storage tank, and the capacitor bank is electrically connected to the anode plate and the cathode plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] (1) This utility model is equipped with a microalgae wastewater treatment mechanism and a microalgae biofuel cell coupling mechanism that work together. Microalgae grow in the serpentine glass pipe, using organic matter, nitrogen, phosphorus and other pollutants in the wastewater as a nutrient source. Through photosynthesis, they absorb pollutants in the wastewater, thus purifying the wastewater. At the same time, the treated microalgae biomass is transported to the microalgae biofuel cell coupling mechanism, where the chemical energy in the organic matter is converted into electrical energy through microbial metabolism. This allows for the generation of electricity while treating the wastewater, effectively achieving economical and efficient wastewater purification and energy production.

[0018] (2) The present invention is equipped with a reflector, which can be aligned with the serpentine glass tube. Through the illumination of the lighting tube, the reflector can reflect the light, so that the light can be evenly irradiated in all directions on the serpentine glass tube, allowing the microalgae inside the serpentine glass tube to grow fully and improving the purification effect of sewage. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the microalgae wastewater treatment mechanism of this utility model;

[0021] Figure 3 This is a schematic diagram of the serpentine glass tube structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the reflector structure of this utility model;

[0023] Figure 5 This is a schematic cross-sectional view of the reactor of this utility model;

[0024] Figure 6 This is a cross-sectional view of the liquid storage cylinder of this utility model;

[0025] In the diagram: 1. Microalgae wastewater treatment mechanism; 11. Support frame; 12. Serpentine glass tube; 13. Reflector; 14. Delivery pipe; 15. Support base; 16. Delivery pump; 17. Reactor; 18. Return pipe; 19. Output pipe; 110. Lighting tube; 111. Drainage pipe; 112. Spiral seat; 113. Input pipe; 2. Microalgae biofuel cell coupling mechanism; 21. Fixing frame; 22. Capacitor unit; 23. Liquid storage tank; 24. Anode plate; 25. Cathode plate; 26. Lighting column. Detailed Implementation

[0026] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Example 1:

[0030] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the microalgae-mediated power generation, energy storage, and wastewater purification coupling device includes:

[0031] Microalgae wastewater treatment unit 1 and microalgae biofuel cell coupling unit 2 assembled on one side of microalgae wastewater treatment unit 1;

[0032] The microalgae wastewater treatment device 1 includes a support frame 11 and a support base 15. A serpentine glass tube 12 is fixedly installed on the inner wall of the support frame 11. A reflector 13 corresponding to the serpentine glass tube 12 is fixedly installed at the front and rear ends of the support frame 11. A reactor 17 is fixedly installed on the top of the support base 15.

[0033] The microalgae biofuel cell coupling mechanism 2 includes a fixed frame 21 located on one side of the support frame 11. A liquid storage cylinder 23 is placed inside the fixed frame 21. A delivery pipe 14 is connected between the liquid storage cylinder 23 and the serpentine glass tube 12. An anode plate 24 and a cathode plate 25 are fixedly installed inside the liquid storage cylinder 23.

[0034] As can be seen from the above, when in use, microalgae are introduced into reactor 17, and the wastewater to be purified is introduced into reactor 17, so that the microalgae and wastewater are mixed. The mixture of microalgae and wastewater is then transported into the serpentine glass tube 12. The serpentine glass tube 12 is then irradiated by a light source, and the light is reflected by reflector 13, so that the light can be evenly irradiated in all directions. This allows the microalgae in the serpentine glass tube 12 to fully carry out photosynthesis, so that the microalgae can use the organic matter, nitrogen, phosphorus and other pollutants in the wastewater as a nutrient source to grow. Through photosynthesis, the pollutants in the wastewater are absorbed, thus achieving the purification of the wastewater.

[0035] The treated microalgal biomass in the serpentine glass tube 12 can be transported to the storage tank 23 through the delivery pipe 14. Electrogenic microorganisms, such as Bacillus licheniformis, are loaded on the surface of the anode plate 24. The organic matter produced by the photosynthesis of microalgae is decomposed through the synergistic effect of bacteria and algae, and the released electrons are transferred to the cathode through the external circuit to generate current. This can convert chemical energy into electrical energy, and can generate electricity at the same time during the sewage treatment process, effectively realizing economical and efficient sewage purification and energy production.

[0036] Depend on Figure 3 and Figure 4 It can be seen that the support frame 11 has a lighting tube 110 corresponding to the serpentine glass tube 12 fixedly installed inside, and the lighting tube 110 corresponds to the reflector 13.

[0037] As can be seen from the above, the lighting tube 110 can simulate sunlight, and the reflector 13 can be used to reflect light, making it convenient to illuminate the serpentine glass tube 12 from all directions.

[0038] For details, please refer to Figure 2 As shown, a delivery pump 16 is fixedly installed on the support base 15, and the suction end of the delivery pump 16 is connected to the bottom of the reactor 17 by an input pipe 113.

[0039] As can be seen from the above, the transfer pump 16 can extract the mixture of microalgae and sewage in the reactor 17 through the input pipe 113.

[0040] For details, please refer to Figure 2 As shown, an output pipe 19 is connected between the outlet end of the delivery pump 16 and the first end of the serpentine glass tube 12, and a return pipe 18 extending into the reactor 17 is connected to the end of the serpentine glass tube 12.

[0041] As can be seen from the above, the mixture of microalgae and sewage can be conveniently transported to the serpentine glass tube 12 through the conveying pipe 14, so that the mixture of microalgae and sewage can flow along the serpentine glass tube 12. It can be returned to the reactor 17 through the return pipe 18 to achieve circulation flow, which can conveniently release the oxygen produced during the growth of microalgae.

[0042] Example 2:

[0043] refer to Figure 3 and Figure 5 As shown, a spiral seat 112 is fixedly installed inside the reactor 17, and a drain pipe 111 is connected to the bottom of the serpentine glass tube 12.

[0044] As can be seen from the above, the spiral seat 112 allows microalgae to adhere to it, enabling wastewater to mix with the microalgae quickly. The drain pipe 111 allows the purified wastewater inside the serpentine glass tube 12 to be easily discharged, making it convenient to use as needed.

[0045] refer to Figure 6 As shown, an illumination column 26 is fixedly installed inside the liquid storage cylinder 23, and the illumination column 26 is located between the anode plate 24 and the cathode plate 25.

[0046] As can be seen from the above, the lighting column 26 can illuminate the microalgae in the liquid storage tank 23, allowing the microalgae to continue photosynthesis in the liquid storage tank 23.

[0047] refer to Figure 6 As shown, a capacitor bank 22 is placed on the mounting bracket 21 at one side of the liquid storage cylinder 23. The capacitor bank 22 is electrically connected to the anode plate 24 and the cathode plate 25.

[0048] As can be seen from the above, the capacitor bank 22 can collect and store the current generated between the anode plate 24 and the cathode plate 25, thereby realizing energy storage operation.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for coupling microalgae-mediated power generation and energy storage with wastewater purification, characterized in that, include: Microalgae wastewater treatment device (1) and microalgae biofuel cell coupling device (2) assembled on one side of the microalgae wastewater treatment device (1); The microalgae wastewater treatment mechanism (1) includes a support frame (11) and a support base (15). A serpentine glass tube (12) is fixedly installed on the inner wall of the support frame (11). A reflector (13) corresponding to the serpentine glass tube (12) is fixedly installed at the front and rear ends of the support frame (11). A reactor (17) is fixedly installed on the top of the support base (15). The microalgae biofuel cell coupling mechanism (2) includes a fixed frame (21) located on one side of the support frame (11). A liquid storage cylinder (23) is placed inside the fixed frame (21). A delivery pipe (14) is connected between the liquid storage cylinder (23) and the serpentine glass tube (12). An anode plate (24) and a cathode plate (25) are fixedly installed inside the liquid storage cylinder (23).

2. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 1, characterized in that: The support frame (11) is fixedly installed with a lighting tube (110) corresponding to the serpentine glass tube (12), and the lighting tube (110) corresponds to the reflector (13).

3. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 1, characterized in that: A delivery pump (16) is fixedly installed on the support base (15), and the suction end of the delivery pump (16) is connected to the bottom of the reactor (17) by an input pipe (113).

4. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 3, characterized in that: The outlet end of the delivery pump (16) is connected to the head end of the serpentine glass tube (12) via an output pipe (19), and the end of the serpentine glass tube (12) is connected to a return pipe (18) extending into the reactor (17).

5. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 1, characterized in that: The reactor (17) is fixedly installed with a spiral seat (112), and the bottom of the serpentine glass tube (12) is connected to a drain pipe (111).

6. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 1, characterized in that: An illumination lamp post (26) is fixedly installed inside the liquid storage cylinder (23), and the illumination lamp post (26) is located between the anode plate (24) and the cathode plate (25).

7. The microalgae-mediated power generation, energy storage and wastewater purification coupling device according to claim 1, characterized in that: A capacitor bank (22) is placed on the fixed frame (21) at a position on one side of the liquid storage cylinder (23). The capacitor bank (22) is electrically connected to the anode plate (24) and the cathode plate (25).