CN107285463A - A kind of MSBR denitrification dephosphorization techniques based on MBBR - Google Patents
A kind of MSBR denitrification dephosphorization techniques based on MBBR Download PDFInfo
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- CN107285463A CN107285463A CN201710511231.2A CN201710511231A CN107285463A CN 107285463 A CN107285463 A CN 107285463A CN 201710511231 A CN201710511231 A CN 201710511231A CN 107285463 A CN107285463 A CN 107285463A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
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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
Abstract
The present invention discloses a kind of MSBR denitrification dephosphorization techniques based on MBBR, belongs to technical field of sewage.The system that the technique is based on is made up of 7 units, and respectively sludge condensation area, pre- anoxic zone, anaerobic zone, anoxic zone, aerobic MBBR areas, batch-type react IIth area of Ith area and batch-type reaction；Wherein, floating stuffing is all added in aerobic MBBR areas, bottom, which sets to set to set at water distribution system, water outlet at mesopore boring aeration system, water inlet, intercepts screen system.Present invention process has merged the advantage of MSBR techniques and MBBR techniques, have the advantages that volumetric loading height, outlet effect are stable, it is adaptable to original MSBR techniques are upgraded or extending capacity reformation, the disposal ability of existing process is lifted, simultaneously suitable for grassroot project, floor space can be greatly saved.
Description
Technical field
The invention belongs to the dirty water decontamination handles field, and in particular to a kind of MSBR denitrification dephosphorization techniques based on MBBR.
Background technology
Modified form sequencing batch active sludge (Modified SBR, MSBR method) is to grow up phase early 1980s
Sewage treatment process, the essence of the technique is by A2A kind of novel process that/O techniques are composed in series with SBR techniques, is being removed
Also denitrogenation dephosphorizing can be realized while organic matter.Though MSBR techniques possess A2The high-efficient denitrification and dephosphorization effect of/O techniques, and SBR
What technique was staticly settled efficiently separates effect, a kind of higher biochemical reaction technique of current integrated level of can yet be regarded as.But its still have with
Lower deficiency：Because MSBR techniques mainly use activated sludge process, thus dwell time of sewage is relatively long, system shock resistance
Ability is weaker, causes system footprint area larger, and construction investment is big, and stable water outlet is poor, and operation maintenance is complicated.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of MSBR denitrification dephosphorization techniques based on MBBR.
The adopted technical solution is that：
A kind of MSBR denitrification dephosphorization techniques based on MBBR, using denitrification dephosphorization system, the system include sludge condensation area,
Pre- anoxic zone, anaerobic zone, anoxic zone, aerobic MBBR areas, batch-type react IIth area of Ith area and batch-type reaction；The technique include with
Lower step：
A sewage initially enters anaerobic zone, is mixed with the returned sludge squeezed into from pre- anoxic zone, and the sludge rich in phosphorus is in anaerobism
Area, which release, enters anoxic zone progress denitrification after phosphorus reaction, aerobic MBBR areas provide the solution containing nitrate for anoxic zone；
Mixed liquor in b and then anoxic zone enters aerobic MBBR areas, after organic matter degradation, nitrification, phosphorus absorbing reaction again
The organic matter in IIth area of Ith area or batch-type reaction, sewage, which is reacted, into batch-type reacts II in batch-type Ith area of reaction or batch-type
Area further degrades, while completing precipitation separation, processing water reacts Ith area by batch-type and batch-type reacts the slash water in IIth area and filled
Discharge is put, precipitating sludge part periodic squeezes into sludge condensation area and carries out sludge condensation, and excess sludge then reacts Ith area by batch-type
The discharge of IIth area is reacted with batch-type；
Supernatant after c sludge condensations is discharged into aerobic MBBR areas by sludge condensation area top, and the sludge concentrated enters
Pre- anoxic zone, further consumes dissolved oxygen therein, is that the abundant release of phosphorus in next step sludge creates good conditions.
It is preferred that, the pre- anoxic zone is connected by sludge return pipe with anaerobic zone, is set on sludge return pipe
There is sludge reflux pump, aerobic MBBR areas are connected by interior reflux line with anoxic zone, and interior backflow is provided with interior reflux line
Pump, batch-type reacts Ith area and batch-type and reacts IIth area to be connected by the first sludge carrier pipe road with sludge condensation area respectively, the
Be provided with sludge delivery pump on one sludge carrier pipe road, the top of the sludge condensation area by supernatant conveyance conduit with it is aerobic
MBBR areas are connected, and the bottom of sludge condensation area is connected by the second sludge carrier pipe road with pre- anoxic zone.
It is preferred that, floating stuffing is added in the aerobic MBBR areas, bottom sets and set at boring aeration system, water inlet
Set at water distribution system, water outlet and intercept screen cloth.
It is preferred that, a diameter of 25mm ± 0.5mm of floating stuffing, is highly 10mm ± 1mm, proportion be 0.94~
0.97g/cm3。
It is preferred that, the filling rate of floating stuffing is 10%~67% in the aerobic MBBR areas.
It is preferred that, the inside of the pre- anoxic zone, anaerobic zone and anoxic zone is provided with agitating device.
The method have the benefit that：
1) technique of the present invention, by the removal of activated sludge and biomembrane shared polluter, volumetric loading is high,
And can be adjusted according to the dosage of floating stuffing to adapt to different situations, adjustability is big.
2) aerobic MBBR areas are set in the present invention, by adding for floating stuffing, are enriched with the nitrifying bacteria community of long sludge age, can show
The nitrification ability of strengthening system is write, ammonia nitrogen reduced levels are reduced to, the long sludge age flora of the part is not with water outlet and spoil disposal stream
Lose；Active system is controlled in shorter sludge age, it is ensured that the effect of biological phosphate-eliminating；The Nitrogen/Phosphorus Removal of whole technique is strengthened.
3) technique of the present invention, integrated level is high, can be in same pond body, by adjusting when aeration, backflow and SBR operations
Sequence, effectively to realize COD, BOD, NH3- N, TN, TP and SS removal.
4) present invention is easy to apply in capacity-expansion project, for the sewage treatment plant built using MSBR techniques, changes
Make simple, be that can be achieved without newly-increased pond body.
5) scope is tried out wide, the present invention can be applied not only to the newly-built of large, medium and small sewage treatment plant and transformation, can also answer
For Sewage Disposal and small-sized integrated equipment.
Brief description of the drawings
The invention will be further described with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the MSBR denitrification dephosphorization technique flow charts of the invention based on MBBR；
Fig. 2 is by plan of the present invention process using system.
In figure, 1, sludge condensation area, 2, pre- anoxic zone, 3, anaerobic zone, 4, anoxic zone, 5, aerobic MBBR areas, 6, batch-type
React Ith area, 7, batch-type react IIth area, 8, skim water installations, 9, sludge delivery pump, 10, sludge reflux pump, 11, interior reflux pump,
12nd, agitating device, 13, water distribution system, 14, mesopore boring aeration system, 15, floating stuffing, 16, intercept screen system.
Embodiment
The present invention provides a kind of MSBR denitrification dephosphorization techniques based on MBBR, by setting aerobic MBBR areas, utilizes suspension
Biomembrane effect on filler, greatly promotes the volumetric loading and impact resistance of system.It is easy to rise MSBR techniques
Level transformation, lifts the disposal ability and stability of existing process, the raising of processing water or effluent quality standard is met, for new
Project is built, floor space can be greatly saved.
In order that advantages of the present invention, technical scheme are clearer, clear and definite, the present invention is done with reference to specific embodiment
Describe in detail.Before being illustrated to denitrification dephosphorization technique of the present invention, first the system that present invention process is based on is illustrated.
As shown in Fig. 2 a kind of MSBR denitrification dephosphorization systems based on MBBR, including the sludge condensation area 1, pre- being sequentially communicated
Anoxic zone 2, anaerobic zone 3, anoxic zone 4, aerobic MBBR areas 5 and batch-type reaction zone, the batch-type reaction zone include batch-type
React I area 6 and batch-type reacts II area 7.The pre- anoxic zone 2 is connected by sludge return pipe with anaerobic zone 3, is returned in sludge
Sludge reflux pump 10 is provided with flow tube road, aerobic MBBR areas 5 are connected by interior reflux line with anoxic zone 4, in interior return duct
Interior reflux pump 11 is provided with road.Batch-type reacts I area 6 and batch-type reacts II area 7 and passes through the first sludge carrier pipe road respectively
It is connected with sludge condensation area, sludge delivery pump 9 is provided with the first sludge carrier pipe road.
As the further design to said system, the top of the sludge condensation area 1 by supernatant conveyance conduit with
Aerobic MBBR areas 5 are connected, and the bottom of sludge condensation area 1 is connected by the second sludge carrier pipe road with pre- anoxic zone 2.
Further, floating stuffing has been added in the aerobic MBBR areas 5, bottom sets mesopore boring aeration system
14, set at water inlet to set at water distribution system 13, water outlet and intercept screen system 16.The a diameter of 25mm of floating stuffing ±
0.5mm, is highly 10mm ± 1mm, and proportion is 0.94~0.97g/cm3, meet professional standard《Water process high density polyethylene (HDPE)
Suspending carrier filler CJ/T 461-2014》.The filling rate of floating stuffing is 10%~67% in the aerobic MBBR areas 5.
Said system is provided with aerobic MBBR areas 5, by adding for floating stuffing 15, improve system volumetric loading and
Impact resistance, the use of mesopore boring aeration system 14 avoids the complicated service work of general microporous aerating system, and
Water distribution system 13 and interception screen cloth system are provided with order to ensure that the fluid effect of floating stuffing 15 in region is not lost in water outlet
System 16.
Further, the inside of the pre- anoxic zone 2, anaerobic zone 3 and anoxic zone 4 is provided with agitating device 12, and this is stirred
It is optimal that device, which is mixed, to use the vertical floating drum agitator with skimming.
Further, the inside in II area 7 of batch-type I area 6 of reaction and batch-type reaction is provided with slash water installations
8, the slash water installations are preferred to use Air Weir, it can be ensured that the permanent water level operation of system.
A kind of MSBR denitrification dephosphorization techniques based on MBBR, using above-mentioned MSBR denitrification dephosphorization systems, specific steps such as Fig. 1
It is shown.Sewage is mixed into anaerobic zone 3 with the returned sludge squeezed into from pre- anoxic zone 2 by sludge reflux pump 10, the dirt rich in phosphorus
Mud carries out releasing in anaerobic zone 3 enters the progress of anoxic zone 4 denitrification, the interior backflow by aerobic MBBR areas 5 to anoxic zone 4 after phosphorus reaction
Pump 11 provides aerobic mixed liquor of the MBBR areas containing nitrate.Then the mixed liquor of anoxic zone 4 drops into aerobic MBBR areas 5 through organic matter
Batch-type is entered back into after solution, nitrification, phosphorus absorbing reaction and reacts II area 7 of I area 6 or batch-type reaction.If reacting Ith area with batch-type
6 carry out hypoxia response and carry out aerobic reaction again first as sedimentation basin, then II area 7 of batch-type reaction, and it functions as series connection
One multistage A/O reaction zone.Organic matter in sewage is further degraded herein, while completing precipitation separation, processing water is by skimming
Water installations 8 are discharged, and precipitating sludge part periodic squeezes into sludge condensation area 1 by sludge delivery pump 9 and carries out sludge condensation, remaining dirty
Mud then reacts I area 6 by batch-type and batch-type reacts II area 7 and discharged.Supernatant after sludge condensation is by the top of sludge condensation area 1
Aerobic MBBR areas 5 are discharged into, the sludge concentrated enters pre- anoxic zone 2, further consumes dissolved oxygen therein, are that next step is dirty
The abundant release of phosphorus creates good conditions in mud.Nitrogen in sewage is mainly removed in anoxic zone 4, carbon mainly anoxic zone 4,
I area 6 is reacted in aerobic MBBR areas 5, batch-type and batch-type reacts II area 7 and removed, and phosphorus is then filled by sludge in anaerobic zone 3
Divide release, I area 6 is reacted in aerobic MBBR areas 5 and batch-type and batch-type reacts poly- phosphorus in II area 7, the circulation of sludge obtains phosphorus
To enrichment, discharged with excess sludge, so that sewage is purified.
Present system is described further below by concrete application example.
Certain existing sewage treatment plant uses MSBR techniques, and existing treatment scale is 40,000 ton per days, and effluent quality is marked for one-level B
Standard, proposes mark improvement project requirement and one-level A standards is realized in the case where not increasing biological tank.Modification scheme is based on using the present invention
MBBR MSBR denitrification dephosphorization systems are carried out, the biological tank process design parameter such as table 1 below after the project reconstruction：
Table 1
Explanation：In the case that the existing biological tank pond appearance of the sewage treatment plant is constant, MSBR ponds are carried out using present invention process
Transformation, it is possible to achieve biological section water outlet COD, BOD, ammonia nitrogen, TN stably reach one-level emission standard A, by simply transforming
The engineering problem of complexity is solved, without newly-built pond body, without civil engineering, the mesh of reduced investment, instant effect, short time limit has been reached
's.
Take or use for reference prior art and can be achieved in the part do not addressed in aforesaid way.
Certainly, protection scope of the present invention is not limited to above-described embodiment, as long as one of ordinary skill in the art
, just should be within the scope of the present invention without creatively improving.
Claims (6)
1. a kind of MSBR denitrification dephosphorization techniques based on MBBR, it is characterised in that：Using denitrification dephosphorization system, the system includes dirt
Mud enrichment region, pre- anoxic zone, anaerobic zone, anoxic zone, aerobic MBBR areas, batch-type react IIth area of Ith area and batch-type reaction；The work
Skill comprises the following steps：
A sewage initially enters anaerobic zone, is mixed with the returned sludge squeezed into from pre- anoxic zone, and the sludge rich in phosphorus enters in anaerobic zone
Row, which is released, enters anoxic zone progress denitrification after phosphorus reaction, aerobic MBBR areas provide the solution containing nitrate for anoxic zone；
Mixed liquor in b and then anoxic zone enters aerobic MBBR areas, is entered back into after organic matter degradation, nitrification, phosphorus absorbing reaction
The organic matter that batch-type is reacted in IIth area of Ith area or batch-type reaction, sewage reacts Ith area in batch-type or batch-type reacts IIth area and entered
One step is degraded, while completing precipitation separation, processing water reacts Ith area by batch-type and batch-type reacts the slash water installations in IIth area and arranged
Go out, precipitating sludge part periodic squeezes into sludge condensation area and carries out sludge condensation, excess sludge then reacts Ith area and sequence by batch-type
Batch reacts the discharge of IIth area；
Supernatant after c sludge condensations is discharged into aerobic MBBR areas by sludge condensation area top, and the sludge concentrated enters pre- lack
Oxygen area, further consumes dissolved oxygen therein, is that the abundant release of phosphorus in next step sludge creates good conditions.
2. a kind of MSBR denitrification dephosphorization techniques based on MBBR according to claim 1, it is characterised in that：The pre- anoxic
Area is connected by sludge return pipe with anaerobic zone, and sludge reflux pump is provided with sludge return pipe, and aerobic MBBR areas lead to
Cross interior reflux line to be connected with anoxic zone, interior reflux pump is provided with interior reflux line, batch-type reacts Ith area and batch-type is anti-
Answer IIth area to be connected respectively by the first sludge carrier pipe road with sludge condensation area, sludge is provided with the first sludge carrier pipe road
Delivery pump, the top of the sludge condensation area is connected by supernatant conveyance conduit with aerobic MBBR areas, the bottom of sludge condensation area
Portion is connected by the second sludge carrier pipe road with pre- anoxic zone.
3. a kind of MSBR denitrification dephosphorization techniques based on MBBR according to claim 1, it is characterised in that：It is described aerobic
Floating stuffing is added in MBBR areas, bottom sets to set to set at water distribution system, water outlet at boring aeration system, water inlet and intercepted
Screen cloth.
4. a kind of MSBR denitrification dephosphorization techniques based on MBBR according to claim 3, it is characterised in that：The suspension is filled out
Expect a diameter of 25mm ± 0.5mm, be highly 10mm ± 1mm, proportion is 0.94~0.97g/cm3。
5. a kind of MSBR denitrification dephosphorization techniques based on MBBR according to claim 4, it is characterised in that：It is described aerobic
The filling rate of floating stuffing is 10%~67% in MBBR areas.
6. a kind of MSBR denitrification dephosphorization techniques based on MBBR according to claim 1, it is characterised in that：The pre- anoxic
The inside in area, anaerobic zone and anoxic zone is provided with agitating device.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585974A (en) * | 2017-11-01 | 2018-01-16 | 济宁市孚源环保科技有限公司 | A kind of sewage water treatment method based on MBBR techniques |
| CN107601669A (en) * | 2017-11-01 | 2018-01-19 | 济宁市孚源环保科技有限公司 | A kind of method based on MBBR technique upgrade expanding biochemistry pools |
| CN108793644A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant that sewage water denitrification efficiency can be improved |
| CN108793409A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
| CN108892241A (en) * | 2018-08-29 | 2018-11-27 | 陕西朗正环保科技有限公司 | Integrated rural sewage-treatment plant associated with a kind of AAO and SBR technique |
| CN109399794A (en) * | 2018-12-24 | 2019-03-01 | 中冶南方都市环保工程技术股份有限公司 | A kind of town sewage treatment system and technique of strengthened denitrification |
| CN110217892A (en) * | 2019-04-28 | 2019-09-10 | 皇宝（福建）环保工程投资有限公司 | Process for removing nitrogen and phosphor from sewage based on integrated biochemical reaction tank |
| CN113582342A (en) * | 2021-08-25 | 2021-11-02 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Emergency treatment device for sudden urban landscape water pollution |
| CN114162957A (en) * | 2021-11-17 | 2022-03-11 | 江苏裕隆环保有限公司 | Novel water interception system is crossed to MBBR technology |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585974A (en) * | 2017-11-01 | 2018-01-16 | 济宁市孚源环保科技有限公司 | A kind of sewage water treatment method based on MBBR techniques |
| CN107601669A (en) * | 2017-11-01 | 2018-01-19 | 济宁市孚源环保科技有限公司 | A kind of method based on MBBR technique upgrade expanding biochemistry pools |
| CN107585974B (en) * | 2017-11-01 | 2020-10-02 | 济宁市孚源环保科技有限公司 | Sewage treatment method based on MBBR (moving bed biofilm reactor) process |
| CN108793644A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant that sewage water denitrification efficiency can be improved |
| CN108793409A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
| CN108892241A (en) * | 2018-08-29 | 2018-11-27 | 陕西朗正环保科技有限公司 | Integrated rural sewage-treatment plant associated with a kind of AAO and SBR technique |
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| CN109399794A (en) * | 2018-12-24 | 2019-03-01 | 中冶南方都市环保工程技术股份有限公司 | A kind of town sewage treatment system and technique of strengthened denitrification |
| CN110217892A (en) * | 2019-04-28 | 2019-09-10 | 皇宝（福建）环保工程投资有限公司 | Process for removing nitrogen and phosphor from sewage based on integrated biochemical reaction tank |
| CN110217892B (en) * | 2019-04-28 | 2020-07-03 | 皇宝（福建）环保工程投资有限公司 | Sewage nitrogen and phosphorus removal process based on integrated biochemical reaction tank |
| CN113582342A (en) * | 2021-08-25 | 2021-11-02 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Emergency treatment device for sudden urban landscape water pollution |
| CN114162957A (en) * | 2021-11-17 | 2022-03-11 | 江苏裕隆环保有限公司 | Novel water interception system is crossed to MBBR technology |
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