A wastewater purification device with immobilized beneficial microorganisms and algal symbiosis
By using a wastewater purification device with immobilized microorganisms and algal symbiosis, the problems of easy loss and clogging of microorganisms are solved by using a floating box and cleaning mechanism, achieving efficient and stable wastewater treatment, reducing operating costs and improving treatment effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN UNIV OF HUMANITIES SCI & TECH
- Filing Date
- 2025-06-20
- Publication Date
- 2026-05-26
Smart Images

Figure CN224279951U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater purification technology, specifically a wastewater purification device for immobilized beneficial microorganisms and algal symbionts. Background Technology
[0002] As is well known, wastewater treatment is a crucial aspect of environmental protection. Traditional wastewater treatment methods primarily rely on physical, chemical, and biological means to remove pollutants from water. However, with increasingly stringent environmental requirements and a growing pursuit of sustainable development, traditional methods have gradually revealed some shortcomings. In traditional biological treatment processes, microorganisms mostly exist in a free state. The main problem with this approach is that microorganisms are easily washed away by the water flow, making it difficult to maintain a high bacterial concentration, thus affecting the degradation efficiency of organic matter. Furthermore, free microorganisms are highly sensitive to environmental changes; variations in temperature and pH can adversely affect their activity. Although it is known that bacteria and algae can form a mutually beneficial symbiotic relationship, where algae produce oxygen through photosynthesis to supply bacteria for organic matter decomposition, while bacteria provide carbon dioxide and mineral nutrients to promote algal growth, in practical applications, there is a lack of effective structural design to ensure that this symbiotic relationship can operate efficiently and stably. For example, there is a lack of suitable carriers to provide space for microorganisms to attach and grow, and there is a failure to effectively promote the exchange of substances between the two. During long-term operation, suspended solids and other impurities in wastewater tend to accumulate in critical parts of the treatment device (such as through-holes and channels), obstructing water flow and reducing treatment efficiency. This typically requires regular manual cleaning, which not only increases maintenance costs but can also lead to treatment interruptions or decreased efficiency. Currently, most wastewater treatment systems still require manual intervention to address these blockages, lacking automated cleaning mechanisms. This means that once blockages occur, they cannot be resolved promptly, further affecting the continuity and stability of the wastewater treatment system. Therefore, it is necessary to propose solutions to this technical problem. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] To address the shortcomings of existing technologies, this invention provides a wastewater purification device that immobilizes beneficial microorganisms and algal symbionts.
[0005] (II) Technical Solution
[0006] To achieve the above objectives, this utility model provides the following technical solution: a wastewater purification device for immobilized beneficial microorganisms and algal symbionts, comprising a floating box, a floating mechanism on the floating box, an installation groove at the top of the floating box, a mesh frame on the installation groove, a microbial immobilization carrier filled in the mesh frame, a woven nylon mesh at the top of the mesh frame, microalgae loaded inside the woven nylon mesh, a through groove at the bottom of the floating box, multiple through holes between the through groove and the installation groove, slots around the through groove, a protective box at the bottom of the floating box, a drive motor inside the protective box, a cleaning shaft between the output end of the drive motor and the through groove, a frame-shaped blade and an agitator on the cleaning shaft, and a waterproof transmission line between the drive motor and the outside of the protective box.
[0007] Furthermore, the present invention is improved in that the floating mechanism includes an airbag ring, the airbag ring is installed on the floating box, the airbag ring is provided with a transmission pipe, and the transmission pipe is provided with a valve.
[0008] Furthermore, the present invention is improved by providing a cut-resistant layer on the outer side of the airbag ring.
[0009] Furthermore, an improvement of this utility model is that the valve is an electric valve.
[0010] Furthermore, the present invention is improved by providing a cut-resistant sleeve on the waterproof transmission line.
[0011] Furthermore, the present invention is improved by providing sealed bearings between the two ends of the cleaning shaft and the through groove.
[0012] Furthermore, the present invention is improved in that the frame-shaped blade and the stirring blade are provided in multiple and arranged in a ring array.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, this utility model provides a wastewater purification device with immobilized beneficial microorganisms and algal symbiosis, which has the following beneficial effects:
[0015] This wastewater purification device, which uses immobilized beneficial microorganisms and algal symbiosis, provides a stable attachment and growth space for high-concentration compound beneficial microbial agents by filling a mesh frame with immobilized microbial carriers. The immobilized microorganisms are not easily lost and can maintain a high biomass for a long time, significantly improving the degradation efficiency of organic pollutants in wastewater. The microalgae are loaded on a woven nylon mesh and located at the top of the floating box, which is convenient for receiving light. The microalgae produce oxygen through photosynthesis and absorb nutrients such as nitrogen and phosphorus, as well as some heavy metal ions. At the same time, they release O2 to provide oxygen for the microorganisms to carry out aerobic metabolism, promoting the complete decomposition of organic matter. The CO2 and mineral nutrients produced by the microbial metabolism can also feed back to the microalgae, forming a virtuous cycle of matter.
[0016] The synergistic effect of bacteria and algae can not only effectively remove organic matter, but also remove eutrophic factors such as nitrogen and phosphorus at the same time. It also has a certain adsorption and enrichment effect on heavy metals, improving the comprehensive treatment effect of wastewater, reducing the pressure of subsequent deep treatment links, and lowering the overall treatment cost. The floating mechanism allows the entire device to float freely with the water level, making it suitable for wastewater pools or natural water bodies of different depths. By setting a drive motor to drive the cleaning shaft to rotate, combined with the frame-shaped blade to cut foreign objects and the stirring blade to stir up sediment, the water flow channel is ensured to be unobstructed. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;
[0018] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;
[0019] Figure 3 This is a front half-sectional view of the structure of this utility model;
[0020] Figure 4 This is a top half-sectional view of the structure of this utility model.
[0021] In the diagram: 1. Floating box; 2. Mesh frame; 3. Woven nylon mesh; 4. Grooving; 5. Protective box; 6. Drive motor; 7. Cleaning shaft; 8. Frame-shaped blade; 9. Agitator blade; 10. Waterproof transmission line; 11. Airbag ring; 12. Transmission pipe; 13. Valve; 14. Cut-resistant layer; 15. Sealed bearing; 16. Through hole. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-4 This utility model relates to a wastewater purification device for immobilized beneficial microorganisms and algal symbiotic organisms, comprising a floating box 1, a floating mechanism on the floating box 1, an installation groove at the top of the floating box 1, a mesh frame 2 on the installation groove, a microbial immobilization carrier filled in the mesh frame 2, a woven nylon mesh 3 at the top of the mesh frame 2, and microalgae loaded inside the woven nylon mesh 3, and a through groove at the bottom of the floating box 1, with multiple through holes 16 between the through groove and the installation groove. The passageway has slots 4 around its perimeter. A protective box 5 is located at the bottom of the floating box 1. A drive motor 6 is installed inside the protective box 5. A cleaning shaft 7 is located between the output end of the drive motor 6 and the passageway. A frame-shaped blade 8 and an agitator 9 are mounted on the cleaning shaft 7. A waterproof transmission line 10 is located between the drive motor 6 and the outside of the protective box 5. In this embodiment, the floating box 1 can float in the wastewater treatment tank via a floating mechanism. Microbial immobilization carriers are pre-loaded with high concentrations of microorganisms within the mesh frame 2 of the installation channel. The compound beneficial microbial agent has a porous structure inside the carrier that provides space for microbial attachment and growth. Wastewater enters the through-channel through the slot 4, and then through the through-hole 16 into the mesh frame 2 on the installation tank. This allows the beneficial microorganisms enriched on the carrier to efficiently degrade organic matter. The microalgae loaded on the nylon mesh 3 provide O2 and organic matter to the bacteria, while the bacteria provide CO2 and mineralized nutrients to the algae. Through photosynthesis, the algae absorb CO2, nitrogen, phosphorus, and some heavy metals, releasing O2, thus achieving efficient purification of wastewater. After long-term use, the impurities in the wastewater will be removed. Foreign matter easily accumulates in the through holes 16 and through slots. The drive motor 6 can be controlled by the waterproof transmission line 10. The output end of the drive motor 6 drives the cleaning shaft 7 in the through slot to rotate. The cleaning shaft 7 drives the frame-shaped cutter body 8 and the stirring blade 9 to rotate. The frame-shaped cutter body 8 can cut off foreign matter in the through slots and through holes 16. The stirring blade 9 can stir the foreign matter accumulated in the through slots and discharge it through the slot 4, thereby ensuring the flow of wastewater in the through holes 16, thus enabling long-term and efficient purification operations through immobilized microbial algae.
[0024] To facilitate the floating of the floating box 1 on the wastewater, in this design, the floating mechanism includes an airbag ring 11, which is installed on the floating box 1. The airbag ring 11 is provided with a transmission pipe 12, and the transmission pipe 12 is provided with a valve 13. The transmission pipe 12 is connected to the pipeline of the air supply equipment. By opening the valve 13, air can be transmitted to the airbag ring 11. Then, by closing the valve 13, the airbag ring 11 filled with gas and the floating box 1 float in the wastewater.
[0025] In order to prevent foreign objects in the wastewater from scratching the airbag ring 11, in this solution, the outer side of the airbag ring 11 is provided with a cut-resistant layer 14. By covering the outer surface of the airbag ring 11 with the cut-resistant layer 14, it is possible to prevent foreign objects from bumping and scratching the airbag ring 11.
[0026] In order to facilitate the control of the gas in the airbag ring 11, in this solution, the valve 13 is an electric valve, which can be easily operated remotely to switch the valve 13 on and off.
[0027] In order to prevent foreign objects in the wastewater from scratching the waterproof transmission line 10, in this solution, the waterproof transmission line 10 is provided with a cut-proof sleeve. By wrapping the waterproof transmission line 10 with the cut-proof sleeve, it is possible to prevent foreign objects from bumping and scratching the airbag ring 11.
[0028] In order to ensure that the cleaning shaft 7 rotates stably in the through groove, in this solution, sealed bearings 15 are provided between the two ends of the cleaning shaft 7 and the through groove, and the sealed bearings 15 enable the cleaning shaft 7 to rotate stably in the through groove.
[0029] In order to more efficiently clean the foreign objects accumulated in the channel, in this solution, the frame-shaped blade 8 and the stirring blade 9 are provided in multiple and arranged in a ring array. The multiple frame-shaped blades 8 and stirring blades 9 can more efficiently cut off and stir out the foreign objects.
[0030] 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 wastewater purification device immobilizing a beneficial microorganism and a bacterioalgae symbiont, characterized by, The system includes a floating box (1), which is equipped with a floating mechanism. The top of the floating box (1) is provided with an installation groove, and a mesh frame (2) is provided on the installation groove. The mesh frame (2) is filled with a microbial immobilization carrier. The top of the mesh frame (2) is provided with a woven nylon mesh (3), and the inside of the woven nylon mesh (3) is loaded with microalgae. The bottom of the floating box (1) is provided with a through groove, and a through hole (16) is provided between the through groove and the installation groove. Multiple through holes are provided. The through groove is provided around the through groove. The bottom of the floating box (1) is provided with a protective box (5). The protective box (5) is provided with a drive motor (6). The output end of the drive motor (6) is provided with a cleaning shaft (7) between it and the through groove. The cleaning shaft (7) is provided with a frame-shaped blade (8) and an agitator (9). A waterproof transmission line (10) is provided between the drive motor (6) and the outside of the protective box (5).
2. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 1, characterized in that, The floating mechanism includes an airbag ring (11), which is installed on the floating box (1). The airbag ring (11) is provided with a transmission pipe (12), and the transmission pipe (12) is provided with a valve (13).
3. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 2, characterized in that, The outer side of the airbag ring (11) is provided with a cut-resistant layer (14).
4. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 2, characterized in that, The valve (13) is an electric valve.
5. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 1, characterized in that, The waterproof transmission line (10) is equipped with a cut-resistant sleeve.
6. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 1, characterized in that, Sealed bearings (15) are provided between the two ends of the cleaning shaft (7) and the through groove.
7. The wastewater purification device for immobilized beneficial microorganisms and algal symbiosis according to claim 1, characterized in that, The frame-shaped blade (8) and the stirring blade (9) are both provided in multiple and arranged in a ring array.