CN216837334U - Modified MGBR reaction device - Google Patents
Modified MGBR reaction device Download PDFInfo
- Publication number
- CN216837334U CN216837334U CN202122745983.XU CN202122745983U CN216837334U CN 216837334 U CN216837334 U CN 216837334U CN 202122745983 U CN202122745983 U CN 202122745983U CN 216837334 U CN216837334 U CN 216837334U
- Authority
- CN
- China
- Prior art keywords
- stage
- tank
- aerobic tank
- aerobic
- propulsion type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a modified MGBR reaction device, which sequentially comprises a preceding stage anoxic tank, a preceding stage aerobic tank, a rapid sedimentation tank, a later stage propulsion type aerobic tank and two sedimentation tanks; wherein the interiors of the pre-stage anoxic tank and the pre-stage aerobic tank are respectively provided with an annular flowing continuous flow complete mixing reaction structure; the water outlet end of the front-stage aerobic tank is communicated with the inlet end of the rapid sedimentation tank; the outlet end of the rapid sedimentation tank is communicated with the water inlet end of the rear-stage propulsion type aerobic tank; and the water inlet end of the secondary sedimentation tank at the water outlet end of the rear-stage propulsion type aerobic tank. The device has set up a set of quick sedimentation tank alone between the good oxygen pond of front-stage and the good oxygen pond of back-stage propulsion, through setting up the ramp type structure, isolate some precipitation mud, partly gets into the back and carries out the processing, can exert good throughput when having improved back-stage sludge treatment, and the device can obtain the precipitation load and subside more than 5 times of conventional surface load.
Description
Technical Field
The utility model belongs to the technical field of wastewater treatment equipment, and particularly relates to an improved MGBR reaction device.
Background
The waste water treatment is to treat the waste water by physical, chemical and biological methods, so that the waste water is purified, the pollution is reduced, the waste water is recycled and reused, and water resources are fully utilized. Wherein the organic pollutants in the form of solution, colloid and fine suspension in the wastewater are converted into stable and harmless substances by the metabolism of microorganisms. The biological treatment method can be divided into two types of aerobic biological treatment and anaerobic biological treatment, depending on the microorganism used. Biological treatment of wastewater is widely used as an aerobic biological treatment method, which is conventionally classified into an activated sludge method and a biofilm method. The activated sludge process is itself a treatment unit that has a variety of operating modes. The treatment equipment belonging to the biomembrane method comprises a biofilter, a biological rotating disk, a biological contact oxidation pond, a biological fluidized bed and the like. The biological oxidation pond is also called natural biological treatment method. Anaerobic biological treatment, also known as bioreduction, is used mainly for treating high-concentration organic waste water and sludge.
The following problems often occur when a conventional MGBR reactor is used for treatment before the current industrial wastewater contains a high concentration of organic pollutants: when the front part inside the reactor is mixed, the COD is high, the sludge concentration can not be adjusted, the treatment effect is not fully exerted, and when the rear part is pushed and treated, the exertion of the treatment capacity of the push type reactor is limited, so that the treatment result is not ideal.
Disclosure of Invention
The technical scheme is as follows: in order to solve the technical problems, a group of independent rapid sedimentation tanks are arranged between a preceding-stage reactor and a succeeding-stage reactor, sludge which is easy to settle is separated through sedimentation and flows back to the preceding-stage reactor, the pertinence of strains during biochemical treatment is strengthened, the sludge concentration of the preceding-stage reactor is improved, and the treatment effect is improved. The modified MGBR reaction device comprises a preceding stage anoxic tank, a preceding stage aerobic tank, a rapid sedimentation tank, a later stage propulsion type aerobic tank and two sedimentation tanks in sequence; wherein the interiors of the pre-stage anoxic tank and the pre-stage aerobic tank are respectively provided with an annular flowing continuous flow complete mixing reaction structure; the water outlet end of the front-stage aerobic tank is communicated with the inlet end of the rapid sedimentation tank; the outlet end of the rapid sedimentation tank is communicated with the water inlet end of the rear-stage propulsion type aerobic tank; and the water inlet end of the secondary sedimentation tank at the water outlet end of the rear-stage propulsion type aerobic tank.
As the improvement, be provided with the swash plate structure in the quick sedimentation tank for deposit the most mud of preceding stage aerobic tank exit end output, the mud that the part is difficult for subsiding is discharged to the good oxygen pond of back stage propulsion type.
As an improvement, a group of sludge backflow passages are arranged between the rapid sedimentation tank and the front-stage aerobic tank, and a group of sludge backflow passages are arranged between the two sedimentation tanks and the rear-stage propulsion type aerobic tank.
As an improvement, the system also comprises at least one group of metering reflux pumps which are independently and respectively arranged on the sludge circulation path and used for metering the reflux quantity of the sludge during the reflux.
As an improvement, the rear-stage propulsion type aerobic tank is provided with three groups of propulsion type structures of aerobic tanks, and the aerobic tank in each group is provided with a structure for generating aerobic reaction.
As an improvement, a group of sludge backflow passages are arranged between a group of aerobic tanks closest to the two sedimentation tanks in the rear-stage propulsion type aerobic tank and the front-stage anoxic tank.
Has the advantages that: compared with the conventional device, the device provided by the utility model has the following advantages:
(1) a group of rapid sedimentation tanks are separately arranged between a front-stage aerobic tank and a rear-stage propulsion type aerobic tank, a part of sediments are isolated to form sludge by arranging an inclined plate type structure, and a part of sediments enter a rear stage for treatment, so that good treatment capacity can be exerted when the rear-stage sludge is treated, and the device can obtain more than 5 times of sedimentation load of conventional surface load sedimentation.
(2) The device is provided with the sludge return passage and the metering return pump, one part of high-activity sludge can be accurately precipitated by controlling the amount, the other part of high-activity sludge is screened to the next part for treatment, meanwhile, the sludge return flow can be beneficial to training and culturing of all levels of special strains, the strains which are not suitable for training of preceding levels enter the later level for special training, and the effects of the later level and the former level reactor are fully exerted.
Drawings
FIG. 1 is a schematic view of the present invention.
In the figure: the device comprises a front-stage anoxic tank 1, a front-stage aerobic tank 2, a rapid sedimentation tank 3, a rear-stage propulsion type aerobic tank 4, two sedimentation tanks 5 and a metering reflux pump 6.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The modified MGBR reaction device sequentially comprises a front-stage anoxic tank 1, a front-stage aerobic tank 2, a rapid sedimentation tank 3, a rear-stage propulsion type aerobic tank 4 and a second sedimentation tank 5; wherein the interiors of the front-stage anoxic tank 1 and the front-stage aerobic tank 2 are respectively provided with an annular flowing continuous flow complete mixing reaction structure; the water outlet end of the front-stage aerobic tank 2 is communicated with the inlet end of the rapid sedimentation tank 3; the outlet end 3 of the rapid sedimentation tank is communicated with the water inlet end of a rear-stage propulsion type aerobic tank 4; and the water outlet end of the rear-stage propulsion type aerobic tank 4 is the water inlet end of the secondary sedimentation tank.
An inclined plate structure is arranged in the rapid sedimentation tank 3 and is used for settling most of sludge output by the outlet end of the front-stage aerobic tank 2 and discharging the residual sludge to the rear-stage propulsion type aerobic tank 4.
A group of sludge return passages are arranged between the rapid sedimentation tank 3 and the front-stage aerobic tank 2, and a group of sludge return passages are arranged between the secondary sedimentation tank 5 and the rear-stage propulsion type aerobic tank 4. The device also comprises at least one group of metering reflux pumps 6 which are independently and respectively arranged on the sludge circulation path and used for metering the reflux quantity of the sludge during reflux.
The rear-stage propulsion type aerobic tank 4 is of a propulsion type structure with three groups of aerobic tanks, and the aerobic tanks in each group are of a structure with aerobic reaction. As a specific embodiment of the present invention, the rear-stage propulsion type aerobic tank 4 may be configured as a three-stage propulsion type aerobic tank, and specifically includes three sets of aerobic tank structures, and each tank structure has a tank structure for generating an aerobic reaction therein.
A group of sludge backflow passages are arranged between a group of aerobic tanks closest to the two sedimentation tanks 5 in the rear-stage propulsion type aerobic tank 4 and the front-stage anoxic tank 1.
The preceding stage is a continuous complete mixing reactor which comprises a preceding stage anoxic tank and a preceding stage aerobic tank, the sewage flowing to the preceding stage anaerobic section is subjected to aerobic biochemical reaction in the preceding stage aerobic section, the sewage can be uniformly distributed by annular mixing, the water quality of all the parts in the tank is the same, the composition and the quantity of microbial populations are almost the same, the living environment is basically the same, and the degradation working conditions of organic pollutants of all the parts are the same.
The outlet end of the front-stage aerobic tank 2 enters the inlet end of the rapid sedimentation tank 3, sludge is screened and separated through an internal inclined plate structure, a part of sludge flows back to the front-stage aerobic tank 2, and a part of sludge flows into the rear-stage propulsion type aerobic tank 4, so that the effect of front-stage and rear-stage reactors is exerted to the maximum.
Still through setting up measurement backwash pump 6, when realizing return passage backward flow mud, can be accurate control backward flow proportion, accomplish to get into the mud quantity stability in the good oxygen pond 4 of back level impulse type, through realizing producing the concentration difference, accomplish back level and preceding stage reaction and reach the maximum degree.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. An improved generation MGBR reaction unit which characterized in that: sequentially comprises a front-stage anoxic tank (1), a front-stage aerobic tank (2), a rapid sedimentation tank (3), a rear-stage propulsion type aerobic tank (4) and a second sedimentation tank (5); wherein the interiors of the preceding stage anoxic tank (1) and the preceding stage aerobic tank (2) are respectively provided with a continuous flow complete mixing reaction structure which circularly flows; the water outlet end of the front-stage aerobic tank (2) is communicated with the inlet end of the rapid sedimentation tank (3); the outlet end of the rapid sedimentation tank (3) is communicated with the water inlet end of the rear-stage propulsion type aerobic tank (4); the water outlet end of the rear-stage propulsion type aerobic tank (4) is the water inlet end of the secondary sedimentation tank.
2. An improved MGBR reactor as set forth in claim 1, wherein: be provided with the swash plate structure in quick sedimentation tank (3) for deposit most mud of preceding stage aerobic tank (2) exit end output, the mud that part is difficult for subsiding is discharged to back stage propulsion type aerobic tank (4).
3. The improved MGBR reactor of claim 1, wherein: a set of sludge backflow passage is arranged between the rapid sedimentation tank (3) and the front-stage aerobic tank (2), and a set of sludge backflow passage is arranged between the two sedimentation tanks (5) and the rear-stage propulsion type aerobic tank (4).
4. The improved MGBR reactor of claim 3, wherein: the sludge reflux metering device further comprises at least one metering reflux pump (6) which is independently and respectively arranged on the sludge circulation path and used for metering the reflux quantity of the sludge during reflux.
5. The improved MGBR reactor of claim 1, wherein: the rear-stage propulsion type aerobic tank (4) is of a propulsion type structure with three groups of aerobic tanks, and the aerobic tanks in each group are of a structure with aerobic reaction.
6. The improved MGBR reactor as set forth in claim 5, wherein: a group of sludge return passages are arranged between a group of aerobic tanks closest to the two sedimentation tanks (5) in the rear-stage propulsion type aerobic tank (4) and the front-stage anoxic tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745983.XU CN216837334U (en) | 2021-11-10 | 2021-11-10 | Modified MGBR reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745983.XU CN216837334U (en) | 2021-11-10 | 2021-11-10 | Modified MGBR reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216837334U true CN216837334U (en) | 2022-06-28 |
Family
ID=82102083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122745983.XU Active CN216837334U (en) | 2021-11-10 | 2021-11-10 | Modified MGBR reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216837334U (en) |
-
2021
- 2021-11-10 CN CN202122745983.XU patent/CN216837334U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108341553B (en) | Method for treating high ammonia nitrogen wastewater by combining biomembrane method with BAF combined process | |
| CN104003522B (en) | A kind of modified segmental influent multistage A/O denitrification system | |
| CN103936230B (en) | The sewage water treatment method that a kind of activated sludge process and biological contact oxidation process combine | |
| CN112794552A (en) | Treatment method of sauce-flavor wine wastewater | |
| CN201932982U (en) | Combined system using micro-electrolysis-MBR (membrane bio-reactor) combined technology to treat printing and dyeing wastewater | |
| CN107840550B (en) | Method for treating garbage leachate | |
| Sun et al. | Enhanced carbon and nitrogen removal in an integrated anaerobic/anoxic/aerobic-membrane aerated biofilm reactor system | |
| CN102765855A (en) | Coating wastewater processing method and device | |
| CN112079527A (en) | Efficient biochemical treatment method for printing and dyeing wastewater | |
| CN216837334U (en) | Modified MGBR reaction device | |
| CN219194742U (en) | Low-energy-consumption sewage treatment system | |
| CN111559837A (en) | Landfill leachate biochemical treatment system and process | |
| CN111153551A (en) | Municipal sewage treatment device and treatment process | |
| CN106045026A (en) | Anaerobic-facultative up-flow reactor based landfill leachate treatment method and equipment | |
| CN115159767B (en) | Treatment process and device for garlic mixed food processing wastewater | |
| CN216236438U (en) | Pretreatment system for garbage extrusion leachate | |
| CN105384304A (en) | Domestic sewage treatment method by mounting biological stuffing in A/O biochemical system | |
| CN211733973U (en) | Device for treating organic wastewater | |
| CN114105416A (en) | MABR electroplating wastewater treatment process method | |
| CN211170336U (en) | Combined pressure aeration aerobic reaction device | |
| CN202671358U (en) | Coating waste water processing device | |
| CN111977797A (en) | Wastewater treatment system and process for synchronous denitrification and dephosphorization of AxOx | |
| CN100345775C (en) | Urban sewage treatment of anaerobic biological-low voltage electric field oxidizing coupling system | |
| CN105347623A (en) | Domestic sewage comprehensive treatment method | |
| CN205676225U (en) | A kind of anaerobism processing percolate is held concurrently oxygen up-flow reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |