CN218262155U - A/O coupling MBBR integrated reactor device - Google Patents
A/O coupling MBBR integrated reactor device Download PDFInfo
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- CN218262155U CN218262155U CN202222638668.1U CN202222638668U CN218262155U CN 218262155 U CN218262155 U CN 218262155U CN 202222638668 U CN202222638668 U CN 202222638668U CN 218262155 U CN218262155 U CN 218262155U
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- aerobic nitrification
- nitrification reaction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses an AO coupling MBBR integration reactor device, including the cell body, swing joint has the baffle in the cell body, the baffle separates the inner chamber of cell body into aerobic nitrification reaction district and oxygen deficiency denitrification reaction district, aerobic nitrification reaction district is above oxygen deficiency denitrification reaction district, the baffle highly accounts for 1/4-1/3 of total height of cell body apart from the diapire of cell body, all be provided with the filler in aerobic nitrification reaction district and the oxygen deficiency denitrification reaction district, be provided with the backward flow subassembly between aerobic nitrification reaction district and the oxygen deficiency denitrification reaction district, the cell body has been seted up water inlet and delivery port, the water inlet is located oxygen deficiency denitrification reaction district, the delivery port is located aerobic nitrification reaction district; the aeration component is positioned in the aerobic nitrification reaction zone. The structure of overall arrangement reduces area about this device adopts, reduces construction cost, avoids the water conservancy short-term current, and effluent quality of water is more stable, forms the AO technology through upper and lower section overall arrangement, and is better to getting rid of effect of ammonia nitrogen and COD.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an AO coupling MBBR integration reactor device.
Background
In recent years, with the rapid development of economy in China, water environment pollution is increasingly serious, a large amount of funds are invested in China to construct a centralized sewage treatment plant, certain effect is achieved on improvement of the water environment, but for a large amount of rural sewage, the problems of large investment, long construction period, site selection and the like exist in the centralized sewage treatment plant, and the small distributed sewage treatment facilities are adopted to treat the generated sewage on site to achieve the standard and discharge, so that a large amount of funds are not required to be invested, the construction period is short, and the site selection is flexible.
The existing sewage treatment reactor is mature and comprises an activated sludge reactor and a biofilm reactor. But the active sludge method is not effectively combined with the biofilm method, so that the reactor has single function and low pollutant removal rate, and when the reactor is used in combination with other process sections, the reactor has multiple unit structures, long process flow, complex pipelines, large investment and low operation efficiency. Particularly for rural distributed sewage treatment, the conventional general integrated treatment device continues to use a horizontal plug flow process of a large sewage plant, and the device is very small in size and is very easy to generate a short flow phenomenon, so that the effective hydraulic retention time of the device is greatly shortened, and the impact load resistance is very low. The MBBR technology has the advantages of both a traditional fluidized bed and a biological contact oxidation method, is a novel efficient sewage treatment method, ensures that a carrier is in a fluidized state by means of aeration in an aeration tank and the lifting action of water flow, further forms activated sludge growing in a suspended mode and a biomembrane growing in an attached mode, ensures that the MBBR reactor has high biological concentration, and greatly improves the volume load and the sewage purification capacity of the reactor.
The A/O process is also called anoxic-aerobic process, A is an anoxic section and is used for denitrification; o is an aerobic section used for removing organic matters in water and carrying out nitration reaction. The A/O method denitrification process has the characteristics that: the process is simple, usually no additional carbon source is needed, denitrification is performed before, nitrification is performed after, internal circulation is arranged, an organic substrate in raw sewage is used as the carbon source, the effect is good, the cost is low, denitrification reaction is sufficient, an aeration tank is arranged behind, denitrification residues can be further removed, and the quality of treated water is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a AO coupling MBBR integration reactor device to solve the problem that above-mentioned prior art exists, reduce the area of reactor, can realize the technological function of AO method, improve reactor volume load, realize the perfect unity of activated sludge, biomembrane, fluidized bed technology, in order to avoid the short stream phenomenon.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a AO coupling MBBR integration reactor device, include:
the pool body is provided with an inner cavity, a partition plate is movably connected in the pool body and divides the inner cavity of the pool body into an aerobic nitrification reaction zone and an anoxic denitrification reaction zone, the aerobic nitrification reaction zone is arranged above the anoxic denitrification reaction zone, the partition plate is away from the bottom wall of the pool body, the height of the partition plate accounts for 1/4-1/3 of the total height of the pool body, fillers are arranged in the aerobic nitrification reaction zone and the anoxic denitrification reaction zone, a backflow assembly is arranged between the aerobic nitrification reaction zone and the anoxic denitrification reaction zone, the pool body is provided with a water inlet and a water outlet, the water inlet is positioned in the anoxic denitrification reaction zone, and the water outlet is positioned in the aerobic nitrification reaction zone;
the aeration component is positioned in the aerobic nitrification reaction zone.
Preferably, the backflow component comprises a backflow pipeline and a pipeline pump, a first backflow port and a second backflow port are formed in the tank body, the first backflow port is located in the aerobic nitrification reaction region, the second backflow port is located in the anoxic denitrification reaction region, the backflow pipeline is fixedly connected to the tank body, two ends of the backflow pipeline are communicated with the first backflow port and the second backflow port respectively, and the pipeline pump is installed on the backflow pipeline.
Preferably, the filler in the aerobic nitrification reaction zone is an MBBR filler, and the filler in the anoxic denitrification reaction zone is a fibrous filler.
Preferably, a plurality of through holes are formed in the partition plate, and the size of each through hole is smaller than that of the MBBR filler.
Preferably, the aeration component comprises an air inlet pipeline and an aeration head, the air inlet pipeline penetrates through the side wall of the tank body and extends into the aerobic nitrification reaction zone, the aeration head is positioned in the aerobic nitrification reaction zone, and the aeration head is communicated with the air inlet pipeline.
Preferably, the cross section of the tank body is circular, a plurality of through grooves are formed in the partition plate, a plurality of insertion blocks are fixedly connected to the inner wall of the tank body, and the insertion blocks are detachably connected with the through grooves.
The utility model discloses a following technological effect:
1. the utility model discloses in, sewage enters into the oxygen deficiency denitrification reaction district of cell body through the water inlet, carry out the anaerobic reaction in oxygen deficiency denitrification reaction district, the through-hole of rethread baffle enters into good oxygen nitrification reaction district, carry out good oxygen reaction in good oxygen nitrification reaction district, aeration component is to carrying oxygen in the good oxygen nitrification reaction district, realize the purification of sewage through anaerobic reaction and good oxygen reaction, backflow component is used for making the sewage backward flow in the good oxygen nitrification reaction district to the oxygen deficiency denitrification reaction district in, the filler is used for providing the growth for the microorganism and adheres to the environment.
2. The aerobic nitrification reaction zone and the anoxic denitrification reaction are vertically distributed in the tank body, so that the occupied area is reduced, the construction cost is reduced, and hydraulic short flow is avoided.
3. The effluent quality is more stable, and the denitrification effect is better: the A/O process is formed by the arrangement of the upper section and the lower section, the removal effect on ammonia nitrogen and COD is better, and the impact load resistance is strong by adding the filler.
4. Energy saving, consumption reduction, improvement of the oxygen transfer efficiency of aeration and reduction of the power required by the reflux of the internal circulation mixed liquid.
5. The device is integrated equipment, and construction and installation are convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of an A/O coupled MBBR integrated reactor device of the present invention;
FIG. 2 is a schematic view of the structure of the partition plate of the present invention;
FIG. 3 is a top view of the partition plate of the present invention;
wherein, 1, a tank body; 2. a partition plate; 3. an aerobic nitrification reaction zone; 4. an anoxic denitrification reaction zone; 5. a water inlet; 6. a water outlet; 7. a return line; 8. a pipeline pump; 9. a first return port; 10. a second return port; 11. MBBR filler; 12. a fibrous filler; 13. a through hole; 14. an air intake duct; 15. an aeration head; 16. a through groove; 17. and (6) plugging the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
Referring to fig. 1-3, the utility model provides a A/O coupling MBBR integration reactor device, include:
the pool body 1 is provided with an inner cavity, a partition plate 2 is movably connected in the pool body 1, the inner cavity of the pool body 1 is divided into an aerobic nitrification reaction zone 3 and an anoxic denitrification reaction zone 4 by the partition plate 2, the aerobic nitrification reaction zone 3 is arranged above the anoxic denitrification reaction zone 4, the height of the partition plate 2 from the bottom wall of the pool body 1 accounts for 1/4-1/3 of the total height of the pool body 1, fillers are arranged in the aerobic nitrification reaction zone 3 and the anoxic denitrification reaction zone 4, a backflow assembly is arranged between the aerobic nitrification reaction zone 3 and the anoxic denitrification reaction zone 4, the pool body 1 is provided with a water inlet 5 and a water outlet 6, the water inlet 5 is positioned in the anoxic denitrification reaction zone 4, and the water outlet 6 is positioned in the aerobic nitrification reaction zone 3; the aeration component is positioned in the aerobic nitrification reaction zone 3.
Sewage enters an anoxic denitrification reaction zone 4 of a tank body 1 through a water inlet 5, the anoxic denitrification reaction zone 4 is arranged at the lower part of the tank body, the volume of the anoxic denitrification reaction zone 4 accounts for 1/4-1/3 of the total volume of the tank body, an aerobic nitrification reaction zone 3 is arranged at the upper part of the tank body, the volume of the aerobic nitrification reaction zone 3 accounts for 3/4-2/3 of the total volume of the tank body, the aerobic nitrification reaction zone 3 is used for carrying out aerobic reaction, oxygen is conveyed into the aerobic nitrification reaction zone 3 through an aeration component, mixed liquid is stirred in the ascending process of a gas-liquid mixture, fillers in the aerobic nitrification reaction zone 3 are in a fluidized state and are fully mixed with the wastewater to realize removal and nitrification reaction of organic matters in the wastewater, a water outlet 6 on the aerobic nitrification reaction zone 3 is used for discharging the sewage, a backflow component is used for enabling the sewage in the aerobic nitrification reaction zone 3 to flow back into the anoxic denitrification reaction zone 4, and the anoxic denitrification reaction zone 4 is used for carrying out anaerobic reaction and further treating the sewage.
Further optimize the scheme, the backward flow subassembly includes backflow pipeline 7 and tubing pump 8, has seted up first backward flow mouth 9 and second backward flow mouth 10 on the cell body 1, and first backward flow mouth 9 is located good oxygen nitration reaction district 3, and second backward flow mouth 10 is located oxygen deficiency denitrification reaction district 4, and backflow pipeline 7 fixed connection is on cell body 1, and backflow pipeline 7 both ends communicate with first backward flow mouth 9 and second backward flow mouth 10 respectively, and tubing pump 8 installs on backflow pipeline 7.
Under the action of the pipeline pump 8, the sewage in the aerobic nitrification reaction zone 3 flows into the return pipeline 7 from the first return port 9 and enters the anoxic denitrification reaction zone 4 from the second return port 10.
In a further optimized scheme, the filler in the aerobic nitrification reaction zone 3 is MBBR filler 11, and the filler in the anoxic denitrification reaction zone 4 is fiber filler 12.
The MBBR filler 11 is suitable for the growth of microorganisms, and simultaneously the MBBR filler 11 can move in the wastewater under the action of the aeration device and can be in a fluidized state, and the fiber filler 12 improves the efficiency of anoxic denitrification reaction.
According to the further optimized scheme, the partition plate 2 is provided with a plurality of through holes 13, and the size of each through hole 13 is smaller than that of the MBBR filler 11.
The size of the through hole 13 on the partition board 2 is smaller than that of the MBBR packing 11, so that the MBBR packing 11 can be prevented from falling into the anoxic denitrification reaction zone 4 from the through hole 13.
According to a further optimized scheme, the aeration component comprises an air inlet pipeline 14 and an aeration head 15, the air inlet pipeline 14 penetrates through the side wall of the pool body 1 and extends into the aerobic nitrification reaction zone 3, the aeration head 15 is positioned in the aerobic nitrification reaction zone 3, and the aeration head 15 is communicated with the air inlet pipeline 14.
The gas enters the aeration head 15 from the gas inlet pipeline 14, the aeration head 15 is arranged on the partition board 2, the generated aeration quantity can meet the dissolved oxygen quantity required by the degradation and nitration of the organic matters in the sewage, and the water flow can be driven to mix and stir, so that the fluidization state of the MBBR filler 11 is maintained.
Further optimization scheme, cell body 1 cross section is circular, has seted up a plurality of logical grooves 16 on the baffle 2, and a plurality of grafting blocks 17 of fixedly connected with on the 1 inner wall of cell body, grafting block 17 can dismantle with logical groove 16 and be connected.
Can confirm the height of baffle 2 according to the in-service use demand, in this embodiment, logical groove 16's shape is the cross, when putting into cell body 1 with baffle 2, with the central point that leads to groove 16 put to aim at the plug-in block 17 of suitable height, then rotates baffle 2, makes plug-in block 17 enter into logical groove 16 in the horizontal notch to can fix baffle 2.
The volume ratio of the aerobic nitrification reaction zone 3 to the anoxic denitrification reaction zone 4 is adjusted by adjusting the position of the partition plate 2 on the vertical height of the side wall of the tank body 1, and the adjustment can be carried out according to actual conditions such as sludge concentration, daily treated water amount, environment temperature and the like.
The sewage enters the anoxic denitrification reaction zone 4 of the tank body 1 through the water inlet 5, anaerobic reaction is carried out in the anoxic denitrification reaction zone 4, then the sewage enters the aerobic nitrification reaction zone 3 through the through holes 13 of the partition board 2, aerobic reaction is carried out in the aerobic nitrification reaction zone 3, the purification of the sewage is realized through the anaerobic reaction and the aerobic reaction, one part of the purified sewage is discharged from the water outlet 6, one part of the purified sewage flows into the return pipeline 7 from the first return port 9, and the purified sewage enters the anoxic denitrification reaction zone 4 from the second return port 10.
An MBBR filler 11 is placed in the upper aerobic nitrification reaction zone 3, and a fiber filler 12 is hung in the lower anoxic denitrification reaction zone 4 to contact with the activated sludge; the aeration head 15 above the partition board 2 agitates the mixed liquid in the rising process of the gas-liquid mixture by aerating to the water body, and enables the MBBR filler 11 to be in a fluidized state and fully mixed and reacted with the wastewater, thereby realizing the removal of organic matters in the wastewater and nitration reaction; sewage enters an anoxic denitrification reaction zone 4 from the bottom of the tank body, and is subjected to anoxic denitrification with mixed liquor flowing back through internal circulation in a denitrification zone to realize biological denitrification; the internal circulation reflux system is characterized in that the internal circulation reflux system flows back to the bottom of the anoxic denitrification reaction zone 4 from a first reflux port 9 of the upper aerobic nitrification reaction zone 3 through the action of a pipeline pump 8, the reflux amount is set according to 1-4 times of the water inflow amount according to needs, and the pipeline pump 8 is a pipeline pump with a low lift of 1-2 m.
The device strengthens the activity of activated sludge and biological membranes, avoids the phenomenon of hydraulic short flow, improves the overall pollutant removal rate of the reactor, and has the characteristics of small occupied area, strong impact load resistance, stable operation and low operation cost.
The tank body 1 can be internally provided with fillers, MBBR fillers 11 are adopted in the aerobic nitrification reaction zone 3 to improve the volume load and the impact load resistance of the aerobic nitrification reaction zone, and fiber fillers 12 are adopted in the anoxic denitrification reaction zone 4 to improve the efficiency of the anoxic denitrification reaction zone 4.
The device can effectively avoid short flow by the upflow hydraulic characteristic through the water inlet of the anoxic denitrification reaction zone 4 at the bottom and the water outlet of the aerobic nitrification reaction zone 3 at the upper end, fully play the utilization rate of the tank volume and improve the sewage treatment efficiency.
By the design of the upper and lower layout of the aerobic nitrification reaction zone 3 and the anoxic denitrification reaction zone 4, the floor area is saved, and the process function of the A/O method is realized; the power required by the internal circulation of the mixed liquid is reduced by utilizing the water level elevation; the MBBR suspended filler is added, the volume load of the reactor is improved, and the perfect unification of the processes of the activated sludge, the biological membrane and the fluidized bed is realized; the vertical flow water flow avoids the short flow phenomenon.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. An a/O coupled MBBR integrated reactor device, comprising:
the pool body (1) is provided with an inner cavity, a partition plate (2) is movably connected in the pool body (1), the inner cavity of the pool body (1) is divided into an aerobic nitrification reaction zone (3) and an anoxic denitrification reaction zone (4) by the partition plate (2), the aerobic nitrification reaction zone (3) is arranged above the anoxic denitrification reaction zone (4), the partition plate (2) is away from the bottom wall of the pool body (1) and accounts for 1/4-1/3 of the total height of the pool body (1), fillers are arranged in the aerobic nitrification reaction zone (3) and the anoxic denitrification reaction zone (4), a backflow assembly is arranged between the aerobic nitrification reaction zone (3) and the anoxic denitrification reaction zone (4), the pool body (1) is provided with a water inlet (5) and a water outlet (6), the water inlet (5) is arranged in the anoxic denitrification reaction zone (4), and the water outlet (6) is arranged in the aerobic nitrification reaction zone (3);
the aeration component is positioned in the aerobic nitrification reaction zone (3).
2. An a/O coupled MBBR integrated reactor device according to claim 1, characterized in that: the backflow component comprises a backflow pipeline (7) and a pipeline pump (8), a first backflow port (9) and a second backflow port (10) are formed in the pool body (1), the first backflow port (9) is located in the aerobic nitrification reaction zone (3), the second backflow port (10) is located in the anoxic denitrification reaction zone (4), the backflow pipeline (7) is fixedly connected to the pool body (1), two ends of the backflow pipeline (7) are communicated with the first backflow port (9) and the second backflow port (10) respectively, and the pipeline pump (8) is installed on the backflow pipeline (7).
3. An a/O coupled MBBR integrated reactor device according to claim 2, characterized in that: the filler in the aerobic nitrification reaction zone (3) is MBBR filler (11), and the filler in the anoxic denitrification reaction zone (4) is fiber filler (12).
4. An A/O coupled MBBR integrated reactor device according to claim 3, wherein: a plurality of through holes (13) are formed in the partition plate (2), and the size of each through hole (13) is smaller than that of the MBBR filler (11).
5. An a/O coupled MBBR integrated reactor device according to claim 1, characterized in that: the aeration component comprises an air inlet pipeline (14) and an aeration head (15), wherein the air inlet pipeline (14) penetrates through the side wall of the pool body (1) and extends into the aerobic nitrification reaction zone (3), the aeration head (15) is positioned in the aerobic nitrification reaction zone (3), and the aeration head (15) is communicated with the air inlet pipeline (14).
6. An a/O coupled MBBR integrated reactor device according to claim 1, characterized in that: the cross section of the tank body (1) is circular, a plurality of through grooves (16) are formed in the partition plates (2), a plurality of inserting blocks (17) are fixedly connected to the inner wall of the tank body (1), and the inserting blocks (17) are detachably connected with the through grooves (16).
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| CN202222638668.1U CN218262155U (en) | 2022-10-09 | 2022-10-09 | A/O coupling MBBR integrated reactor device |
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| CN202222638668.1U CN218262155U (en) | 2022-10-09 | 2022-10-09 | A/O coupling MBBR integrated reactor device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282530A (en) * | 2023-01-17 | 2023-06-23 | 山东默锐环境产业股份有限公司 | AO-MBBR combined bioreactor |
| CN117383705A (en) * | 2023-10-23 | 2024-01-12 | 石河子大学 | Be used for industrial sewage treatment and mud decrement integrated water treatment facilities |
-
2022
- 2022-10-09 CN CN202222638668.1U patent/CN218262155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282530A (en) * | 2023-01-17 | 2023-06-23 | 山东默锐环境产业股份有限公司 | AO-MBBR combined bioreactor |
| CN117383705A (en) * | 2023-10-23 | 2024-01-12 | 石河子大学 | Be used for industrial sewage treatment and mud decrement integrated water treatment facilities |
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