Combined anaerobic reactor
By introducing a filter screen and an electrically driven scraper structure into the anaerobic reactor, the problem of solid impurity residue was solved, achieving efficient solid impurity removal and improving the cleanliness of the reactor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-03-13
AI Technical Summary
In existing anaerobic reactors, solid impurities tend to remain at the bottom of the reactor when treating wastewater, making it difficult to discharge them efficiently.
A combined anaerobic reactor was designed, comprising an anaerobic reactor body, a filter screen, an equipment carrier plate, an electric push rod, and a cleaning scraper. The cleaning scraper is driven by the electric push rod to move on the filter screen, and combined with a buffer structure, it achieves efficient collection and discharge of solid impurities.
This improved the collection efficiency of solid impurities, ensured the cleanliness of the anaerobic reactor interior, and prevented solid impurities from remaining.
Smart Images

Figure CN223990997U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of anaerobic reactor technology, specifically a combined anaerobic reactor. Background Technology
[0002] Anaerobic fluidized bed reactors are a highly efficient biofilm treatment method. They utilize materials with large surface areas, such as sand, as a carrier. Anaerobic microorganisms form a membrane on the surface of the sand or other carrier, flowing through the wastewater. The microorganisms contact, adsorb, and decompose the organic matter in the wastewater, thus achieving the treatment purpose.
[0003] When treating wastewater in an anaerobic reactor, a certain amount of solid impurities remain at the bottom of the reactor. Existing anaerobic reactors cannot efficiently remove these solid impurities from the reactor tank, so existing technologies need to be improved. Utility Model Content
[0004] The purpose of this invention is to provide a combined anaerobic reactor to solve the problem mentioned in the background art that when anaerobic reactors treat wastewater, a certain amount of solid impurities remain at the bottom of the anaerobic reactor, and existing anaerobic reactors cannot efficiently remove these solid impurities from the reactor tank.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a combined anaerobic reactor, comprising an anaerobic reactor body, a three-stage separation device mounted at the top of the anaerobic reactor body, and a filter screen plate mounted inside the anaerobic reactor body;
[0006] The anaerobic reactor body has an equipment carrier plate installed at the upper end of the filter screen plate inside.
[0007] Both sides of the bottom end of the equipment carrier plate are equipped with electric push rods a, and the driving ends of the two electric push rods a are equipped with cleaning scrapers. The two cleaning scrapers are set at the upper end of the filter screen plate.
[0008] The cleaning scraper and the drive end of the electric push rod a are connected by a buffer structure.
[0009] The anaerobic reactor body has cleaning ports on the upper ends of the outer walls on both sides, and the side walls of the cleaning ports are hinged with sealing doors.
[0010] Electric push rods b are mounted on both sides of the top of the anaerobic reactor body, and bearing seats are installed on both sides of the top of the filter screen. The drive end of the electric push rod b is connected to the bearing seat.
[0011] As a preferred embodiment of the combined anaerobic reactor of the present invention, a downcomer is installed at the center of the anaerobic reactor body, and a first riser and a second riser are respectively installed on both sides of the anaerobic reactor body. The downcomer, the first riser and the second riser are all connected to three separation devices.
[0012] The filter screen plate has three through holes a at the top center, and the equipment carrier plate has three through holes b at the top center. The ends of the downcomer, the first riser, and the second riser all extend through the through holes a and b into the interior of the anaerobic separator body.
[0013] As a preferred embodiment of the combined anaerobic reactor of this utility model, the top two sides of the equipment carrier plate are equipped with supporting columns, and the top of the supporting columns are connected to the inner wall of the anaerobic reactor body.
[0014] As a preferred embodiment of the combined anaerobic reactor of this utility model, the buffer structure includes a piston cylinder, a piston rod, and a spring. The bottom end of the piston cylinder has a piston port, and the piston rod is inserted into the piston port. Fixing blocks are installed at the ends of both the piston cylinder and the piston rod. The spring is sleeved on the outside of the piston cylinder and the piston rod. One side of the fixing block is connected to the drive end of the electric push rod a, and the other side of the fixing block is connected to the cleaning scraper.
[0015] In a preferred embodiment of this utility model of a combined anaerobic reactor, the spring is disposed between two fixed blocks, and the outer diameter of the spring is smaller than the inner diameter of the fixed blocks.
[0016] As a preferred embodiment of the combined anaerobic reactor of this utility model, a heater is fitted on the outside of the anaerobic reactor body, and an equipment base is installed at the bottom of the anaerobic reactor body.
[0017] As a preferred embodiment of the combined anaerobic reactor of this utility model, the outer wall of the filter screen is provided with a sealing ring, and the sealing ring is fitted to the inner wall of the anaerobic reactor body.
[0018] Compared with the prior art, the beneficial effects of this utility model are: the combined anaerobic reactor has a reasonable structural design;
[0019] By installing an equipment carrier plate at the top of the anaerobic reactor body and two cleaning scrapers at the bottom of the equipment carrier plate, cleaning can be carried out on the top of the filter screen plate. Solid impurities in the wastewater can be easily collected and discharged from the filter screen plate by moving the filter screen plate inside the anaerobic reactor body, thereby improving the solid impurity collection efficiency. Attached Figure Description
[0020] Figure 1This is a front-view three-dimensional structural schematic diagram of the present invention;
[0021] Figure 2 This is a schematic diagram of the internal structure of the anaerobic reactor of this utility model;
[0022] Figure 3 This is a schematic diagram of the carrier plate and filter screen plate of the present invention;
[0023] Figure 4 This is a schematic diagram of the buffer structure of this utility model.
[0024] In the diagram: 1. Anaerobic reactor body; 2. Equipment base; 3. Heater; 4. Sealing door; 5. Cleaning port; 6. Three-phase separation device; 7. Electric push rod b; 8. First riser pipe; 9. Downcomer pipe; 10. Second riser pipe; 11. Filter screen; 12. Sealing ring; 13. Through hole a; 14. Through hole b; 15. Support seat; 16. Support column; 17. Cleaning scraper; 18. Buffer structure; 181. Piston rod; 182. Piston port; 183. Piston cylinder; 184. Spring; 185. Fixing block; 19. Equipment carrier plate. Detailed Implementation
[0025] 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.
[0026] Please see Figure 1-4 This utility model provides a technical solution:
[0027] In this technical solution, a combined anaerobic reactor includes an anaerobic reactor body 1. A three-stage separation device 6 is mounted at the top of the anaerobic reactor body 1. A filter screen plate 11 is mounted inside the anaerobic reactor body 1. An equipment carrier plate 19 is mounted above the filter screen plate 11 inside the anaerobic reactor body 1. Electric push rods a are mounted on both sides of the bottom end of the equipment carrier plate 19. Cleaning scrapers 17 are mounted on the driving ends of the two electric push rods a, and the two cleaning scrapers 17 are located above the filter screen plate 11. The cleaning scrapers 17 and the driving ends of the electric push rods a are connected by a buffer structure 18. Cleaning ports 5 are opened on the upper ends of the outer walls on both sides of the anaerobic reactor body 1. Sealing doors 4 are hinged to the side walls of the cleaning ports 5. Electric push rods b7 are mounted on both sides of the top of the anaerobic reactor body 1. Support seats 15 are installed on both sides of the top of the filter screen plate 11, and the driving ends of the electric push rods b7 are connected to the support seats 15.
[0028] In this technical solution, the anaerobic reactor body 1 and the three-phase separation device 6 are the same models as those in patent number CN202121510544.4. The filter screen plate 11 can be raised and lowered inside the anaerobic reactor body 1. The equipment carrier plate 19 is set at the top inside the anaerobic reactor body 1 and is located above the filter screen plate 11. Electric push rods a are installed on both sides of the bottom end of the equipment carrier plate 19. The extension and retraction of the electric push rods a can drive the cleaning scraper 17 to move left and right. The filter screen plate 11 can be moved to the cleaning port 5 inside the anaerobic reactor body 1, so that the top of the filter screen plate 11 can be cleaned at the cleaning port 5. The sealing door 4 can close the cleaning port 5. The filter screen plate 11 can be raised and lowered inside the anaerobic reactor body 1 by the electric push rod b7.
[0029] In some technical solutions, a downcomer 9 is installed at the center of the anaerobic reactor body 1, and a first riser 8 and a second riser 10 are installed on the two sides of the anaerobic reactor body 1 respectively. The downcomer 9, the first riser 8 and the second riser 10 are all connected to the three separation devices 6. Three through holes a13 are opened at the center of the top of the filter screen plate 11, and three through holes b14 are opened at the center of the top of the equipment carrier plate 19. The ends of the downcomer 9, the first riser 8 and the second riser 10 extend into the interior of the anaerobic separator body 1 through the through holes a13 and through holes b14.
[0030] In this technical solution, the equipment carrier plate 19 is fixed inside the anaerobic reactor body 1, while the through holes a13 and b14 are arranged opposite to each other for the cooperation of the downcomer 9, the first riser 8 and the second riser 10.
[0031] In some technical solutions, support columns 16 are installed on both sides of the top of the equipment carrier plate 19, and the top of the support columns 16 is connected to the inner wall of the anaerobic reactor body 1.
[0032] In this technical solution, the equipment carrier plate 19 is installed inside the anaerobic reactor body 1 via the support column 16.
[0033] In some technical solutions, the buffer structure 18 includes a piston cylinder 183, a piston rod 181, and a spring 184. The bottom end of the piston cylinder 183 has a piston port 182, and the piston rod 181 is inserted into the piston port 182. Fixing blocks 185 are installed at the ends of both the piston cylinder 183 and the piston rod 181. The spring 184 is sleeved on the outside of the piston cylinder 183 and the piston rod 181. One side of the fixing block 185 is connected to the drive end of the electric push rod a, and the other side of the fixing block 185 is connected to the cleaning scraper 17. The spring 184 is disposed between the two fixing blocks 185, and the outer diameter of the spring 184 is smaller than the inner diameter of the fixing block 185.
[0034] In this technical solution, the piston rod 181 can be inserted and withdrawn inside the piston cylinder 183 at the piston port 182, thereby extending and retracting through the cooperation of the spring 184, thus avoiding damage when the filter screen 11 comes into contact with the cleaning scraper 17.
[0035] In some technical solutions, a heater 3 is installed on the outside of the anaerobic reactor body 1, and an equipment base 2 is installed at the bottom of the anaerobic reactor body 1.
[0036] In this technical solution, the anaerobic reactor body 1 can be added through the heater 3, and the model of the heater 3 is the same as that in patent number CN202123164604.4.
[0037] In some technical solutions, a sealing ring 12 is provided on the outer wall of the filter screen 11, and the sealing ring 12 is fitted to the inner wall of the anaerobic reactor body 1.
[0038] In this technical solution, the sealing replacement 12 can improve the sealing between the outer wall of the filter screen 11 and the inner wall of the anaerobic reactor body 1.
[0039] Working principle:
[0040] In use, firstly, when it is necessary to collect solid impurities in the waste liquid, the filter screen plate 11 inside the anaerobic reactor body 1 is moved upward by controlling the electric push rod b7, moving it to the cleaning port 5. At this time, the top of the filter screen plate 11 contacts the cleaning scraper 17 on the equipment carrier plate 19. Then, the cleaning scraper 17 is moved on the filter screen plate 11 by controlling the two electric push rods a to clean the filter screen plate 11.
[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0042] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A combined anaerobic reactor comprising an anaerobic reactor body (1), characterized in that, The top end of the anaerobic reactor body (1) is equipped with three separation devices (6), and the inside of the anaerobic reactor body (1) is equipped with a water filtering mesh plate (11); The inside of the anaerobic reactor body (1) is equipped with an equipment carrier plate (19) at the upper end of the water filtering mesh plate (11); The bottom end of the equipment carrier plate (19) is equipped with an electric push rod a on both sides, and the driving end of the two electric push rods a is equipped with a cleaning scraper (17), and the two cleaning scrapers (17) are arranged at the upper end of the water filtering mesh plate (11); The cleaning scraper (17) and the driving end of the electric push rod a are connected through a buffer structure (18); The upper end of the outer wall of the anaerobic reactor body (1) is provided with a cleaning port (5), and the side wall of the cleaning port (5) is hinged with a closing door (4); The top end of the anaerobic reactor body (1) is equipped with an electric push rod b (7) on both sides, and the top end of the water filtering mesh plate (11) is equipped with a bearing seat (15) on both sides, and the driving end of the electric push rod b (7) is connected with the bearing seat (15).
2. The combined anaerobic reactor according to claim 1, characterized in that, The inside of the anaerobic reactor body (1) is equipped with a descending pipe (9) at the center, and the inside of the anaerobic reactor body (1) is equipped with a first ascending pipe (8) and a second ascending pipe (10) on both sides, and the descending pipe (9), the first ascending pipe (8) and the second ascending pipe (10) are connected with the three separation devices (6); The top center of the water filtering mesh plate (11) is provided with three through holes a (13), and the top center of the equipment carrier plate (19) is provided with three through holes b (14), and the end of the descending pipe (9), the first ascending pipe (8) and the second ascending pipe (10) passes through the through hole a (13) and the through hole b (14) and extends to the inside of the anaerobic reactor body (1).
3. The combined anaerobic reactor according to claim 1, characterized in that, The top end of the equipment carrier plate (19) is equipped with a bearing column (16) on both sides, and the top end of the bearing column (16) is connected with the inner wall of the anaerobic reactor body (1).
4. The combined anaerobic reactor according to claim 1, characterized in that, The buffer structure (18) comprises a piston cylinder (183), a piston rod (181) and a spring (184), the bottom end of the piston cylinder (183) is provided with a piston port (182), the piston rod (181) is inserted into the piston port (182), the end of the piston cylinder (183) and the piston rod (181) is equipped with a fixed block (185), the spring (184) is sleeved outside the piston cylinder (183) and the piston rod (181), one side of the fixed block (185) is connected with the driving end of the electric push rod a, and the other side of the fixed block (185) is connected with the cleaning scraper (17).
5. A combined anaerobic reactor according to claim 4, characterized in that The spring (184) is arranged between the two fixed blocks (185), and the outer diameter of the spring (184) is smaller than the inner diameter of the fixed block (185).
6. The combined anaerobic reactor according to claim 1, characterized in that, The outside of the anaerobic reactor body (1) is sleeved with a heater (3), and the bottom end of the anaerobic reactor body (1) is equipped with an equipment base (2).
7. The combined anaerobic reactor according to claim 1, characterized in that, The outer wall of the water filtering mesh plate (11) is provided with a sealing ring (12), and the sealing ring (12) is arranged in close contact with the inner wall of the anaerobic reactor body (1).
Citation Information
Patent Citations
Combined anaerobic reactor
CN215559283U
Novel anaerobic reactor
CN216273324U