CN206407971U - A kind of MBBR continuous flow sequencings batch sewage-treatment plant - Google Patents
A kind of MBBR continuous flow sequencings batch sewage-treatment plant Download PDFInfo
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- CN206407971U CN206407971U CN201621346349.1U CN201621346349U CN206407971U CN 206407971 U CN206407971 U CN 206407971U CN 201621346349 U CN201621346349 U CN 201621346349U CN 206407971 U CN206407971 U CN 206407971U
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Abstract
The utility model discloses a kind of MBBR continuous flow sequencings batch sewage-treatment plant, including：Mud discharging pipeline, blower fan, the pre-denitration pond being sequentially communicated, anaerobic pond, MBBR components, sedimentation basin；The MBBR components include three parallel arrangement of batch-type MBBR reactors；The MBBR reactors are provided with the aeration mechanism positioned at bottom, and its bottom is provided with the mud discharging mouthful with mud discharging pipeline communication；Air-lift device is additionally provided between the MBBR reactors and sedimentation basin；The port of export of the air-lift device is connected with sedimentation basin；The air-lift device and the inlet end of aeration mechanism are connected with blower fan；Sludge reflux structure, its bottom and mud discharging pipeline communication are provided between the sedimentation basin and pre-denitration pond.The utility model can independently realize anoxic/aerobic alternate run using three sections of batch-type MBBR reactors, to realize that continuity handles sewage.
Description
Technical field
The utility model is related to sewage-treatment plant.
Background technology
At present, the sanitary sewage pollution that arbitrarily discharge is caused has turned into the focus that domestic and international field of Environment Protection is paid close attention to, in recent years,
Multinomial environmental protection and treatment relevant policies have been put into effect in country and place for villages and small towns sewage disposal problem is intensive.In view of village of China
Town water pollution is widely distributed and scattered and pipe network covers incomplete feature, at present, main using integrated sewage disposal dress
The decentralized processing pattern of content is set to, positive role is served to control villages and small towns water environment pollution, but existing distributing is dirty
Generally there is high poor processing effect, cost of investment, operating cost height and operational management in water treatment facilities, especially
The pollution such as nitrogen, phosphorus for causing body eutrophication removal effect has much room for improvement.Therefore, it is water outlet after further reduction processing
The concentration of total nitrogen and total phosphorus, prevents the aggravation of body eutrophication, in the urgent need to a kind of good, the inexpensive place of easy to operate, effect
Manage apparatus and method.
Utility model content
In place of in order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of MBBR continuous flow sequencings
Batch sewage-treatment plant.
The technical solution of the utility model is：
A kind of MBBR continuous flow sequencings batch sewage-treatment plant, including：Mud discharging pipeline, blower fan, what is be sequentially communicated is pre-
Denitration pond, anaerobic pond, MBBR components, sedimentation basin；The MBBR components include three parallel arrangement of batch-type MBBR reactors；
The MBBR reactors are provided with the aeration mechanism positioned at bottom, and its bottom is provided with the mud discharging with mud discharging pipeline communication
Mouthful；Air-lift device is additionally provided between the MBBR reactors and sedimentation basin；The port of export of the air-lift device is connected with sedimentation basin；
The air-lift device and the inlet end of aeration mechanism are connected with blower fan；Sludge reflux is provided between the sedimentation basin and pre-denitration pond
Structure, its bottom and mud discharging pipeline communication.
Its further technical scheme is：The pre-denitration pond is arranged in anaerobic pond, and it fixes company by bottom plate and with bottom plate
The tubular dividing plate connect is constituted；The bottom periphery of the tubular dividing plate is provided with the apopore being uniformly arranged.
Its further technical scheme is：The upper end of the anaerobic pond is provided with delivery port；The anaerobic pond is additionally provided with and gone out
The outlet pipe of mouth of a river connection；Three MBBR reactors are connected with outlet pipe respectively, and it is provided with magnetic valve between outlet pipe.
Its further technical scheme is：The pre-denitration pond is filled with pencil combined stuffing；The anaerobic pond, MBBR reactions
Device is filled with floating stuffing；The bottom of the MBBR reactors is additionally provided with submersible agitator.
Its further technical scheme is：The MBBR continuous flow sequencings batch sewage-treatment plant also includes distribution reservoir；It is described
Air-lift device is included located at the first air lift component between MBBR reactors and distribution reservoir, between distribution reservoir and sedimentation basin
Second air lift component；The inlet end of the first air lift component and the second air lift component is connected with blower fan；The first air lift group
The outlet of part is connected with distribution reservoir；The outlet of the second air lift component is connected with sedimentation basin.
Its further technical scheme is：The sedimentation basin is provided with settling section；The settling section is provided with the sludge positioned at bottom
Bucket, and the skimming tool above sludge bucket；The sludge reflux structure is in settling section, and the bottom of the sludge bucket is provided with
Mud mouth；Discharge pipeline is provided between the mud mouth and discharge tube.
Its further technical scheme is：The sludge reflux structure includes the 3rd air lift component；The 3rd air lift component
Including air inlet pipe and riser；The lower end of the riser is connected close to sludge bucket, its port of export with pre-denitration pond；Or, institute
State the return duct that sludge reflux structure includes connecting with discharge pipeline；The return duct is connected with pre-denitration pond.
Its further technical scheme is：The sedimentation basin is additionally provided with sterile zones；The sterile zones be provided with chlorination equipment, its with
Overflow ducts are provided between settling section.
The utility model having the technical effect that compared with prior art：A kind of MBBR continuous flow sequencings batch sewage disposal dress
Put, by the pre-denitration pond for the preposition intensified denitrification and dephosphorization effect being sequentially communicated in shell, ensure well to release phosphorus effect
Anaerobic pond and three sections of batch-type MBBR reactors be arrangeding in parallel, and sludge reflux structure, skimming tool and sterilizing function are in one
The sedimentation basin of body, creates the nitration denitrification environment of appropriate biological denitrogenation and the functional areas beneficial to Enhanced Biological Phosphorus Removal, three sections of sequences
Batch MBBR reactors can independently realize anoxic/aerobic alternate run, to realize that continuity handles sewage.
Further, pre- denitration region unit uses cylindrical structure, and in the bottom periphery of dividing plate provided with going out for being uniformly arranged
Water hole, it is in turbulent condition to make current, and muddy water is sufficiently mixed, and reactor water outlet is uniform.
Further, the sewage of anaerobic pond enters outlet pipe by delivery port, and into MBBR under the control of magnetic valve
Reactor so that three batch-type MBBR reactors can carry out sewage disposal successively, so as to ensure that continuity handles sewage.
Further, pre- denitration region fully removes inflow anaerobism section under anoxic conditions can cause enhanced biological phosphorus removal (EBPR)
Act on the nitrate and oxygen declined, it is ensured that phosphorus amount is poly- needed for anaerobism section exceedes microflora metabolism for P uptake by plants
Phosphorus bacterium and denitrifying phosphorus removing bacteria create suitable growing environment, it is ensured that PAOs fully releases phosphorus under anaerobic state, realizes when outer
PAOs, DPB need not compete matrix with can not excessively inhale the general heterotrophic bacteria of phosphorus in the presence of carrying out electron acceptor, and microorganism is improved with this
Poly- phosphorus ability and optimization phosphor-removing effect, by filling certain proportion in pre- denitration region, anaerobic zone and MBBR reaction zones respectively
Good economy performance and strong applicability hydrophily biologic packing material, be greatly enriched the microbial in system, add micro- life
Species and quantity, improve system treatment effeciency and anti-shock loading, and then save the floor space of integrated apparatus.
Further, realize that system sludge flows back using air lift technology, the sludge that instead of in traditional wastewater processing system is returned
Pump is flowed, equipment energy consumption is effectively reduced, operating cost is greatly reduced；The accident classification point of integration apparatus is also reduced simultaneously,
Reduce equipment fault frequency.
Further, the sterile zones being provided with by sedimentation basin, the water of settling section overflow is carried out disinfection, so as to ensure that processing
The water for completing discharge does not pollute to environment.
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is a kind of structural representation of MBBR continuous flow sequencings batch sewage-treatment plant of the utility model.
Fig. 2 is MBBR reactors, the structural representation of aeration mechanism in Fig. 1 embodiments.
Fig. 3 is the perspective view of settling section in sedimentation basin.
Fig. 4 is a kind of schematic flow sheet of MBBR continuous flow sequencings batch sewage water treatment method of the utility model.
Reference
The mud discharging pipeline of 10 sewage-treatment plant 1
The pre-denitration pond of 11 discharge pipeline 3
The dividing plate of 31 bottom plate 32
The MBBR components of 4 anaerobic pond 5
51 MBBR reactors 52 are aerated mechanism
The settling section of 6 sedimentation basin 61
611 sludge bucket 611A mud mouths
The sterile zones of 612 skimming tool 62
The air lift component of 7 air-lift device 71 first
The air lift component of 72 second air lift component 81 the 3rd
The riser of 811 air inlet pipe 812
The outlet pipe of 82 return duct 91
The distribution reservoir of 92 magnetic valve 93
The overflow ducts of 94 water inlet pipe 95
Embodiment
In order to more fully understand technology contents of the present utility model, with reference to schematic diagram to technical side of the present utility model
Case is further described and illustrated, but is not limited to this.
As shown in Figure 1 and Figure 2, a kind of MBBR continuous flow sequencings batch sewage-treatment plant 10, including：Mud discharging pipeline 1,
Blower fan (not shown), the pre-denitration pond 3 being sequentially communicated, anaerobic pond 4, MBBR components 5, sedimentation basin 6.
MBBR components 5 include three parallel arrangement of batch-type MBBR reactors 51, and bottom is provided with and mud discharging pipeline 1
The mud discharging mouthful of connection.Be additionally provided with air-lift device 7 between MBBR reactors 51 and sedimentation basin 6, the port of export of air-lift device 7 with
Sedimentation basin 6 is connected, and the inlet end of air-lift device 7 is connected with blower fan (not shown), is set between sedimentation basin 6 and pre-denitration pond 3
There is sludge reflux structure, its bottom is connected with mud discharging pipeline 1.
MBBR continuous flow sequencing batch sewage-treatment plant 10 also includes distribution reservoir 93, and air-lift device 7 includes anti-located at MBBR
The first air lift component 71 between device 51 and distribution reservoir 93 is answered, the second air lift component between distribution reservoir 93 and sedimentation basin 6
72, the inlet end of the first air lift component 71 and the second air lift component 72 is connected with blower fan (not shown), the first air lift component
71 outlet is connected with distribution reservoir 93.Second air lift component 72 is identical with the structure of the first air lift component 71, the second air lift component
72 outlet is connected with sedimentation basin 6.
Pre-denitration pond 3 is arranged in anaerobic pond 4, its structure of tubular dividing plate 32 being fixedly connected by bottom plate 31 and with bottom plate 31
Into the bottom periphery of tubular dividing plate 32 is provided with the apopore (not shown) being uniformly arranged, and is detested with ensureing that pre-denitration pond 3 is flowed to
The water in oxygen pond 4 is uniform.
The upper end of anaerobic pond 4 is provided with delivery port (not indicated in figure), and anaerobic pond 4 is additionally provided with (not to be marked with delivery port in figure
Show) connection outlet pipe 91.Three MBBR reactors 51 are connected with outlet pipe 91 respectively, and it is provided with electromagnetism between outlet pipe 91
Valve 92, controls sewage to enter different MBBR reactors 51 in the different periods respectively by magnetic valve 92.
Pre-denitration pond 3 is filled with pencil combined stuffing, and anaerobic pond 4, MBBR reactors 51 are filled with floating stuffing, and MBBR is anti-
The bottom of device 51 is answered to be additionally provided with submersible agitator (not shown).Sewage enters to carry out removing nitrate, oxygen in pre-denitration pond 3
Gas disposal, carries out bio anaerobic in anaerobic pond 4 and fully releases phosphorus, organic matter degradation, nitration denitrification are carried out in MBBR reactors 51
Denitrogenation and aerobic excessive suction phosphorus.In pre-denitration pond, anaerobic pond and MBBR reactors 51 a certain proportion of good economy performance of filling and
The hydrophily biologic packing material of strong applicability, is greatly enriched the microbial in system, adds microbe species and quantity,
Raising system treatment effeciency and anti-shock loading, and then save the floor space of integrated apparatus.
Sedimentation basin 6 be provided with settling section 61 and sterile zones 62, sterile zones 62 be provided with chlorination equipment (not shown), its with it is clear
Overflow ducts (not shown) is provided between clear area 61, the water handled by sterile zones 62 can be directly discharged to natural environment
In.
Settling section 61 is provided with the sludge bucket 611 positioned at bottom, and the skimming tool 612 positioned at the top of sludge bucket 611.Sludge is returned
Flow structure is in settling section 61, and the bottom of sludge bucket 611 is provided with mud mouth 611A, mud mouth 611A and mud discharging pipeline 1
Between be provided with discharge pipeline 11.
Sludge reflux structure includes the return duct 82 connected with discharge pipeline 11, and return duct 82 is connected with pre-denitration pond 3.Backflow
What pipe 82 was flowed into that pre-denitration pond 3 mainly utilizes is that backflow is realized in sludge deadweight.Pre-denitration pond 3 can be received from sludge reflux knot
The partial sludge of structure, can supplement the microorganism required in required depolluting processes, also, pre-denitration pond 3 is in anoxic bar
Fully removed under part and flow into nitrate and oxygen that anaerobic pond 4 can cause enhanced biological phosphorus removal effect to decline, it is ensured that in anaerobic pond 4
The polyP bacteria and denitrifying phosphorus removing bacteria of phosphorus amount for needed for P uptake by plants exceedes microflora metabolism create suitable growth ring
Border, it is ensured that PAOs fully releases phosphorus under anaerobic state, realize work as in the presence of foreign electron acceptor PAOs, DPB need not with can not
The excessive general heterotrophic bacteria competition matrix for inhaling phosphorus, the poly- phosphorus ability that microorganism is improved with this and optimization phosphor-removing effect, by respectively
The hydrophily life of a certain proportion of good economy performance of filling and strong applicability in pre-denitration pond 3, anaerobic pond 4 and MBBR reactors 51
Thing filler, is greatly enriched the microbial in system, adds microbe species and quantity, improve system treatment effeciency and
Anti-shock loading, and then save the floor space of integrated apparatus.
MBBR continuous flow sequencing batch sewage-treatment plant 10 also includes scheduling pond (not shown), scheduling pond and pre- denitration
Pond 3 is connected by the road of sewage water inlet pipe 94, is connected between each MBBR reactors 51 and scheduling pond using overflow ducts 95.
As shown in figure 3, each MBBR reactors 51 are provided with the aeration mechanism 52 positioned at bottom, the inlet end of mechanism 52 is aerated
It is connected with blower fan (not shown).
Sludge reflux structure also includes the 3rd air lift component 81, and the 3rd air lift component 81 includes air inlet pipe 811 and riser
812, the lower end of riser 812 is close to sludge bucket 611, and its port of export is connected with pre-denitration pond 3.In actual practicality, work as MBBR
When continuous flow sequencing batch sewage-treatment plant 10 is set on the ground, the sludge of sedimentation basin 6 can pass through return duct 82 due to conducting oneself with dignity
Discharge, skimming tool 612 can use flow by gravity skimming；When MBBR continuous flow sequencing batch sewage-treatment plant 10 is arranged on underground
When, the sludge of sedimentation basin 6 can be discharged by the 3rd air lift component 81, and skimming tool 612 can use air lift skimming.
In the specific implementation, the 3rd air lift component or return duct can be separately provided according to specific performance.
In other embodiments, MBBR continuous flow sequencings batch sewage-treatment plant can also be not provided with distribution reservoir, pass through gas
Device is carried to pipette the processing water in MBBR reactors to sedimentation basin.
A kind of MBBR continuous flow sequencings batch sewage water treatment method, it uses above-mentioned MBBR continuous flow sequencing batch sewage disposals
Device, including it is following：
A. sewage enters pre-denitration pond and carries out removing nitrate, oxygen treatments applied；Wherein, sewage is flowed into from scheduling pond；
B. sewage carries out bio anaerobic into anaerobic pond by apopore and fully releases phosphorus；
C. sewage through outlet pipe and enters MBBR reactors progress organic matter degradation, nitration denitrification by solenoid valve control
Denitrogenation and aerobic excessive suction phosphorus；Wherein, if larger into the sewage quantity of MBBR reactors, it can be flowed back by overflow ducts
To scheduling pond；
The sludge of D.MBBR reactors is discharged through discharge tube；
E. the first air lift component is by the water stripper of MBBR reactors to distribution reservoir；
F. the water stripper of distribution reservoir to sedimentation basin is carried out precipitation process by the second air lift component；
G. skimming tool carries out removing Slag treatment to the water of settling section；
H. some residual sludge of sludge bucket is back to pre-denitration pond through sludge reflux structure, and another part, which is passed through, is provided with electromagnetism
Arranged outside the discharge pipeline of valve；
I. the water of settling section carries out disinfection processing through overflow ducts into sterile zones.Sterile-processed water can be arranged directly
It is put into natural environment.
MBBR continuous flow sequencing batch sewage-treatment plant runs 4 cycles daily, wherein, within 1 cycle, described three
The isolated operation successively of batch-type MBBR reactors, each periodic duty 6 hours, including：Water inlet 2h, aeration 4h, precipitation 1h, its
In, aeration starts after water inlet 1h.Each MBBR reactors work 2 hours, the alternative expression of three MBBR reactors formation 6 hours
Work, so as to form continous way sewage disposal.
Or, MBBR continuous flow sequencing batch sewage-treatment plant runs 3 cycles daily, wherein, within 1 cycle, three
Individual batch-type MBBR reactors isolated operation successively, each periodic duty 8 hours, including：Water inlet 3h, aeration 4h, precipitation 2h, its
In, aeration starts after water inlet 1h.
It is above-mentioned that technology contents of the present utility model are only further illustrated with embodiment, in order to which reader is easier to understand,
But embodiment of the present utility model is not represented and is only limitted to this, and any technology done according to the utility model extends or recreated,
By protection of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (8)
1. a kind of MBBR continuous flow sequencings batch sewage-treatment plant, it is characterised in that including：Mud discharging pipeline, blower fan, successively
The pre-denitration pond of connection, anaerobic pond, MBBR components, sedimentation basin；The MBBR components include three parallel arrangement of batch-types
MBBR reactors；The MBBR reactors are provided with the aeration mechanism positioned at bottom, and its bottom is provided with and mud discharging pipeline communication
Mud discharging mouthful；Air-lift device is additionally provided between the MBBR reactors and sedimentation basin；The port of export of the air-lift device with
Sedimentation basin is connected；The air-lift device and the inlet end of aeration mechanism are connected with blower fan；Between the sedimentation basin and pre-denitration pond
Provided with sludge reflux structure, its bottom and mud discharging pipeline communication.
2. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 1, it is characterised in that the pre-denitration pond
It is arranged in anaerobic pond, its tubular dividing plate being fixedly connected by bottom plate and with bottom plate is constituted；The bottom periphery of the tubular dividing plate
Provided with the apopore being uniformly arranged.
3. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 2, it is characterised in that the anaerobic pond
Upper end is provided with delivery port；The anaerobic pond is additionally provided with the outlet pipe connected with delivery port；Three MBBR reactors difference
Connected with outlet pipe, it is provided with magnetic valve between outlet pipe.
4. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 2, it is characterised in that the pre-denitration pond
Filled with pencil combined stuffing；The anaerobic pond, MBBR reactors are filled with floating stuffing；The bottom of the MBBR reactors is also
It is provided with submersible agitator.
5. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 1, it is characterised in that the MBBR is continuous
Flowing sequencing wastewater treatment device also includes distribution reservoir；The air-lift device includes being located between MBBR reactors and distribution reservoir
First air lift component, the second air lift component between distribution reservoir and sedimentation basin；The first air lift component and the second air lift
The inlet end of component is connected with blower fan；The outlet of the first air lift component is connected with distribution reservoir；The second air lift component
Outlet is connected with sedimentation basin.
6. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 1, it is characterised in that the sedimentation basin is set
There is settling section；The settling section is provided with the sludge bucket positioned at bottom, and the skimming tool above sludge bucket；The sludge reflux
Structure is in settling section, and the bottom of the sludge bucket is provided with mud mouth；It is provided between mud mouth and the mud discharging pipeline
Discharge pipeline.
7. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 6, it is characterised in that the sludge reflux
Structure includes the 3rd air lift component；The 3rd air lift component includes air inlet pipe and riser；The lower end of the riser is close
Sludge bucket, its port of export is connected with pre-denitration pond；
Or, the sludge reflux structure includes the return duct connected with discharge pipeline；The return duct is connected with pre-denitration pond.
8. MBBR continuous flow sequencings batch sewage-treatment plant according to claim 6, it is characterised in that the sedimentation basin is also
Provided with sterile zones；The sterile zones are provided with chlorination equipment, and it is provided with overflow ducts between settling section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346349.1U CN206407971U (en) | 2016-12-06 | 2016-12-06 | A kind of MBBR continuous flow sequencings batch sewage-treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621346349.1U CN206407971U (en) | 2016-12-06 | 2016-12-06 | A kind of MBBR continuous flow sequencings batch sewage-treatment plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517520A (en) * | 2016-12-06 | 2017-03-22 | 深圳合续环境科技有限公司 | MBBR continuous flow sequencing batch sewage treatment device and method thereof |
| CN109052868A (en) * | 2018-10-10 | 2018-12-21 | 云南滇清环境科技有限公司 | A kind of continuous alternating MBBR sewage water treatment method and equipment |
| CN109879426A (en) * | 2019-03-29 | 2019-06-14 | 云南合续环境科技有限公司 | A kind of method of sewage treatment deep phosphorous removal denitrogenation |
-
2016
- 2016-12-06 CN CN201621346349.1U patent/CN206407971U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517520A (en) * | 2016-12-06 | 2017-03-22 | 深圳合续环境科技有限公司 | MBBR continuous flow sequencing batch sewage treatment device and method thereof |
| CN109052868A (en) * | 2018-10-10 | 2018-12-21 | 云南滇清环境科技有限公司 | A kind of continuous alternating MBBR sewage water treatment method and equipment |
| CN109052868B (en) * | 2018-10-10 | 2021-07-16 | 云南滇清环境科技有限公司 | Continuous alternating MBBR sewage treatment method and equipment |
| CN109879426A (en) * | 2019-03-29 | 2019-06-14 | 云南合续环境科技有限公司 | A kind of method of sewage treatment deep phosphorous removal denitrogenation |
| CN109879426B (en) * | 2019-03-29 | 2023-01-17 | 云南合续环境科技股份有限公司 | Method for deep dephosphorization and denitrification of sewage treatment |
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Address after: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee after: Yunnan hexu Environmental Technology Co.,Ltd. Address before: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee before: YUNNAN HEXU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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