CN110282740A - A kind of processing unit suitable for sewage quantity fluctuation - Google Patents
A kind of processing unit suitable for sewage quantity fluctuation Download PDFInfo
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- CN110282740A CN110282740A CN201910551244.1A CN201910551244A CN110282740A CN 110282740 A CN110282740 A CN 110282740A CN 201910551244 A CN201910551244 A CN 201910551244A CN 110282740 A CN110282740 A CN 110282740A
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- reaction zone
- water
- advanced nitrogen
- nitrogen reaction
- riser
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Classifications
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Abstract
A kind of processing unit suitable for sewage quantity fluctuation, including anaerobic pond, anoxic pond, aerobic tank, advanced nitrogen reaction zone, sedimentation basin, effluent trough and concentration basin, wherein, anaerobic pond taps into water pipe, the partition connection of water hole is provided between anaerobic pond and anoxic pond with top, the partition connection of water hole is provided between anoxic pond and aerobic tank with lower part, aerobic tank end is provided with the mixed liquor return pipe for mixed liquor to be promoted to anoxic pond front end and is used to for mixed liquor being promoted to the riser of advanced nitrogen reaction zone, deflector and water collecting dike are provided in advanced nitrogen reaction zone, water collecting dike connects the vertical central tube in sedimentation basin by processing water conveyance conduit, sedimentation basin top connect the processing water for importing and completing precipitating with effluent trough, the device can become water level operation by bio-reaction zone, buffering gravity flow enters sewage disposal device Water fluctuation, it is ensured that the normal operation of sewage disposal device in the case where not setting runoff investigation facility condition ensures the wastewater treatment efficiency of equipment.
Description
Technical field
The invention belongs to technical field of sewage, in particular to a kind of processing suitable for sewage quantity fluctuation fills
It sets.
Background technique
As country is to the lasting investment of Water Environmental Pollution Control, the Sewage Treatment Facilities construction project of villages and small towns level-one
Gradually implement, such treatment facility generally chooses integrated sewage-treatment plant.However, being limited to villages and small towns level-one sewage receipts
Actual conditions in collector net small scale, urbanite water consumption quantity set can generally build one before integrated sewage treating apparatus
Sewage for balanced water and water quality, and is quantified (equipment disposal ability) using elevator pump and is delivered to processing by sewage conditioning tank
Equipment carries out the removal of water pollutant, ensures processing equipment stable operation.The engineering that will increase sewage treatment facility in this way is thrown
Money；And the conditioning tank of setting needs regularly cleaning and maintenance, makes troubles to the normal operation of sewage treatment facility.In addition, by
In town & country sewage generally there are organic pollutant and the lower feature of nitrogen and phosphorous nutrient ratio, lead to biological denitrificaion
Dephosphorization processing is less thorough, can not meet pollutant emission standard harsh at present.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide one kind to be suitable for the big amplitude wave of sewage quantity
Dynamic processing unit, sewage self-flowing, which enters, carries out pollutant by the bio-reaction zone that anaerobic- anoxic- oxic processing unit forms
Degradation, and it is de- with two depth of constant flow delivery to alternate run by way of gas lift in the end of aerobic unit
Nitrogen reaction zone, the depth removal and preliminary separation of solid and liquid, supernatant overflow for completing water pollutant enter sedimentation basin and further go
After oil removal after ultraviolet disinfection qualified discharge；The device can be anti-by the biology of anaerobic- anoxic- oxic processing unit composition
Area is answered to become water level operation, the water that buffering gravity flow enters sewage disposal device fluctuates, it is ensured that is not setting runoff investigation facility condition
The normal operation of lower sewage disposal device, ensures the wastewater treatment efficiency of equipment.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of processing unit suitable for sewage quantity fluctuation, including anaerobic pond I, anoxic pond II, aerobic tank III, depth
Denitrification reaction area, sedimentation basin VI, effluent trough VII and concentration basin VIII, wherein the anaerobic pond I taps into water pipe 1, anaerobic pond I and lacks
It is connected between oxygen pond II with the partition 1 that top is provided with water hole, water was provided with lower part between anoxic pond II and aerobic tank III
The partition 23 in hole connects, and III end of aerobic tank is provided with the reflux of the mixed liquor for mixed liquor to be promoted to II front end of anoxic pond
Pipe 7 and riser for mixed liquor to be promoted to advanced nitrogen reaction zone, are provided with deflector in advanced nitrogen reaction zone
And water collecting dike, deflector and riser are arranged in parallel, water collecting dike is respectively at the both ends of advanced nitrogen reaction zone, collection with riser
Mill weir connects the vertical central tube 11-1 in sedimentation basin VI, VI top of sedimentation basin and effluent trough VII by processing water conveyance conduit 11
Connection imports the processing water for completing precipitating, and bottom connects concentration basin VIII by mud discharging pipe 14, concentration basin VIII and anaerobic pond I it
Between be kept completely separate using partition 3 17,3 17 top of partition is provided with the sludge for thickened sludge to be delivered to anaerobic pond I
Return pipe 18, to guarantee that bio-reaction system maintains activated sludge concentration appropriate.
The anaerobic pond I, anoxic pond II and concentration basin VIII are arranged in the center of aerobic tank III and are separated with partition, i.e., described
Aerobic tank III is in U-shape, and the mixed liquor of anoxic pond II enters the end of aerobic tank III and flows into two sides out, the mixed liquor return pipe
There are two 7, it is symmetricly set on III both-side ends of aerobic tank.
The regurgitant volume of the mixed liquor return pipe 7 is 150~200%.
III bottom of aerobic tank is provided with gas distribution pipe 4 and the aeration plate connecting with gas distribution pipe 45 and aeration tube 6, described
Aeration plate 5 is corundum aeration plate, and gas-water ratio is 3~4:1.
There are two the advanced nitrogen reaction zones, respectively advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V, institute
It states there are two risers, respectively one 8-1 of riser and company of connection III side end of aerobic tank and advanced nitrogen reaction zone V
The riser 28 of aerobic tank III other side end and advanced nitrogen reaction zone IV is connect, there are two the deflectors, is respectively located at
In advanced nitrogen reaction zone V with one 8-1 of riser parallel arrangement one 9-1 of deflector and be located at advanced nitrogen reaction zone IV
In with riser 28 be arranged in parallel deflector 29, there are two the water collecting dikes, respectively be located at advanced nitrogen reaction zone
In V with one 8-1 of riser be in the water collecting dike 2 10 at both ends and in advanced nitrogen reaction zone IV with riser 28
It is perpendicular that one 10-1 of water collecting dike in both ends, water collecting dike 2 10 and one 10-1 of water collecting dike pass through the processing connection of water conveyance conduit 11 respectively
To central tube 11-1.
The bottom of the advanced nitrogen reaction zone IV connects concentration basin VIII, advanced nitrogen reaction by sludge lifting pipe 1
The bottom in area V connects concentration basin VIII by sludge lifting pipe 2 15.
The advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V pass through between one 8-1 of riser and riser 28
It has a rest and promotes mixed liquor to realize alternate run, and advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V keep constant water level fortune
Row.
The cycle of operation of the alternate run is 4h, wherein 2h of intaking, is aerated 1.5h, quiet heavy 0.5h.
The water outlet 13 of the effluent trough VII is provided with duct type ultraviolet sterilizer 12, the bottom setting of the concentration basin VIII
Have and is connected to external excess sludge delivery pipe 19
The anaerobic pond I, anoxic pond II, aerobic tank III operating water level according to come water and processing capacity difference realize
Become water level operation, that is, when inflow is greater than processing capacity, operating water level lifting step by step；When inflow is less than processing capacity,
Operating water level gradually reduces, and buffers the fluctuation into equipment sewage quantity with this, ensures equipment stable operation.
Compared with prior art, the beneficial effects of the present invention are:
1, no setting is required for present apparatus front end runoff investigation pond and sewage lifting device, the sanitary sewage of discharge amount big ups and downs
Can directly it flow automatically into equipment.
2, the present apparatus is additionally arranged advanced nitrogen reaction zone after AAO processing unit, and denitrogenation and solid-liquid separation effect are preferable, place
It is secure to manage efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention (vertical view).
State when Fig. 2 is present invention operation, sewage quantity Q1 are less than aerobic tank to advanced nitrogen reaction zone lifting capacity Q2.
State when Fig. 3 is present invention operation, sewage quantity Q1 are greater than aerobic tank to advanced nitrogen reaction zone lifting capacity Q2.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of processing unit suitable for sewage quantity fluctuation, including it is anaerobic pond I, anoxic pond II, good
Oxygen pond III, advanced nitrogen reaction zone, sedimentation basin VI, effluent trough VII and concentration basin VIII.
Wherein, anaerobic pond I, anoxic pond II and concentration basin VIII are arranged in the center of aerobic tank III and are separated with partition, i.e., well
Oxygen pond III is in U-shape, and anaerobic pond I taps into water pipe 1, is connected between anaerobic pond I and anoxic pond II with the partition 1 that top is provided with water hole
It connects, is connected between anoxic pond II and aerobic tank III with the partition 23 that lower part is provided with water hole, the mixed liquor of anaerobic pond passes through partition
Water hole on one 2 enters anoxic pond II, and the end then across the water hole aerobic tank III on partition 23 simultaneously flows into two sides,
III bottom of aerobic tank is provided with gas distribution pipe 4 and the aeration plate connecting with gas distribution pipe 45 and aeration tube 6, and aeration plate 5 is corundum exposure
Gas disk, gas-water ratio are 3~4:1.
III end of aerobic tank is provided with the mixed liquor return pipe 7 for mixed liquor to be promoted to II front end of anoxic pond and uses
In the riser that mixed liquor is promoted to advanced nitrogen reaction zone, there are two mixed liquor return pipes 7, is symmetricly set on aerobic tank III
Both-side ends, the regurgitant volume of mixed liquor return pipe 7 are 150~200%.
Deflector and water collecting dike are provided in advanced nitrogen reaction zone, deflector and riser are arranged in parallel, water collecting dike
The both ends of advanced nitrogen reaction zone are respectively at riser, water collecting dike is connected in sedimentation basin VI by processing water conveyance conduit 11
Vertical central tube 11-1, VI top of sedimentation basin connect the processing water for importing and completing precipitating with effluent trough VII, it is purple to pass through duct type
After outer sterilizer 12 carries out disinfection, from 13 qualified discharge of water outlet of effluent trough VII.
The bottom of sedimentation basin VI connects concentration basin VIII by mud discharging pipe 14, supplies thickened sludge, advanced nitrogen to it
The sludge of reaction zone bottom precipitation can also be emitted into concentration basin VIII by sludge lifting pipe.It is adopted between concentration basin VIII and anaerobic pond I
It is kept completely separate with partition 3 17,3 17 top of partition is provided with the sludge reflux for thickened sludge to be delivered to anaerobic pond I
Pipe 18, to guarantee that bio-reaction system maintains activated sludge concentration appropriate, extra thickened sludge passes through surplus in concentration basin VIII
Remaining 19 discharge system of mud discharging pipe.
According to the above structure, sewage self-flowing enters the biology being made of in processing unit anaerobic- anoxic- oxic processing unit
Reaction zone carry out pollutant degradation, and in the end of aerobic unit by way of gas lift with constant flow delivery best friend
For two advanced nitrogen reaction zones of operation, the depth removal and preliminary separation of solid and liquid of water pollutant, supernatant hydrorrhea are completed
It flows into sedimentation basin and further removes after oil removal the qualified discharge after ultraviolet disinfection；The device can be by anaerobic- anoxic- oxic
The bio-reaction zone for managing unit composition becomes water level operation, and the water that buffering gravity flow enters sewage disposal device fluctuates, it is ensured that not
If the normal operation of sewage disposal device under runoff investigation facility condition, ensures the wastewater treatment efficiency of equipment.
Further, in the present invention, two settable (can also more) advanced nitrogen reaction zone, respectively advanced nitrogen is anti-
Area IV and advanced nitrogen reaction zone V are answered, correspondingly, respectively connecting III side end of aerobic tank and depth there are two risers
One 8-1 of riser in denitrification reaction area V and the riser two for connecting aerobic tank III other side end and advanced nitrogen reaction zone IV
8, there are two deflectors, the deflector one with one 8-1 of riser parallel arrangement being respectively located in advanced nitrogen reaction zone V
9-1 and the deflector 29 being arranged in parallel with riser 28 in advanced nitrogen reaction zone IV, there are two water collecting dikes, respectively
It is reacted for being in the water collecting dike 2 10 at both ends with one 8-1 of riser and being located at advanced nitrogen in advanced nitrogen reaction zone V
One 10-1 of water collecting dike that both ends are in riser 28 in area IV, water collecting dike 2 10 and one 10-1 of water collecting dike pass through place respectively
Reason water conveyance conduit 11 connects vertical central tube 11-1, and there are two sludge lifting pipes, and the bottom of advanced nitrogen reaction zone IV passes through
Sludge lifting pipe 1 connects concentration basin VIII, and the bottom of advanced nitrogen reaction zone V connects concentration basin by sludge lifting pipe 2 15
Ⅷ。
In this configuration, advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V pass through one 8-1 of riser and riser
28 interval promotes mixed liquor to realize alternate run, cycle of operation 4h, wherein 2h of intaking, is aerated 1.5h, quiet heavy 0.5h,
Advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V keep constant water level operation.
Anaerobic pond I, anoxic pond II, aerobic tank III operating water level according to come water and processing capacity difference realize become water
Position operation, that is, when inflow is greater than processing capacity, operating water level lifting step by step；When inflow is less than processing capacity, operation
Water level gradually reduces, and buffers the fluctuation into equipment sewage quantity with this, ensures equipment stable operation.
With specific reference to Fig. 2 and Fig. 3, the sewage quantity of extraneous input unit is Q1, and value is fluctuated with sewage yield, aerobic tank
It is Q2 to advanced nitrogen reaction zone lifting capacity, it is understood that at the processing capacity of device, value is kept constant.When daytime Q1 it is big
When Q2, anaerobic pond I, anoxic pond II, aerobic tank III operating water level can constantly be lifted, for buffering the sewage quantity of mutation；When
Night cutout or Q1 be less than Q2 when, anaerobic pond I, anoxic pond II, aerobic tank III operating water level can reduce, vacate part effectively
Volume is used to adjust the fluctuation of sewage quantity.Advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V are protected under both the above state
Hold normal operation that is constant, therefore not interfering with subsequent processing units.
Claims (10)
1. a kind of processing unit suitable for sewage quantity fluctuation, which is characterized in that including anaerobic pond I, anoxic pond II, aerobic
Pond III, advanced nitrogen reaction zone, sedimentation basin VI, effluent trough VII and concentration basin VIII, wherein the anaerobic pond I taps into water pipe (1),
Between anaerobic pond I and anoxic pond II with top be provided with water hole partition one (2) connection, between anoxic pond II and aerobic tank III with
Lower part is provided with partition two (3) connection of water hole, before III end of aerobic tank is provided with for mixed liquor to be promoted to anoxic pond II
The mixed liquor return pipe (7) at end and the riser for mixed liquor to be promoted to advanced nitrogen reaction zone are reacted in advanced nitrogen
Deflector and water collecting dike are provided in area, deflector and riser are arranged in parallel, and water collecting dike and riser are respectively at depth and take off
The both ends of nitrogen reaction zone, water collecting dike connect the vertical central tube (11-1) in sedimentation basin VI by processing water conveyance conduit (11),
VI top of sedimentation basin connect the processing water for importing and completing precipitating with effluent trough VII, and bottom passes through mud discharging pipe (14) connection concentration
Pond VIII is kept completely separate between concentration basin VIII and anaerobic pond I using partition three (17), is provided on partition three (17) top for inciting somebody to action
Thickened sludge is delivered to the mud return line (18) of anaerobic pond I, to guarantee that bio-reaction system maintains activated sludge appropriate dense
Degree.
2. being suitable for the processing unit of sewage quantity fluctuation according to claim 1, which is characterized in that the anaerobic pond I,
Anoxic pond II and concentration basin VIII are arranged in the center of aerobic tank III and are separated with partition, i.e., the described aerobic tank III is in U-shape, out anoxic
The mixed liquor in pond II enters the end of aerobic tank III and flows into two sides, and there are two the mixed liquor return pipes (7), is symmetricly set on
III both-side ends of aerobic tank.
3. the processing unit according to claim 1 or claim 2 suitable for sewage quantity fluctuation, which is characterized in that the mixing
The regurgitant volume of liquid return pipe (7) is 150~200%.
4. being suitable for the processing unit of sewage quantity fluctuation according to claim 1, which is characterized in that the aerobic tank III
The aeration plate (5) and aeration tube (6) that bottom is provided with gas distribution pipe (4) and connect with gas distribution pipe (4), the aeration plate (5) are
Corundum aeration plate, gas-water ratio are 3~4:1.
5. being suitable for the processing unit of sewage quantity fluctuation according to claim 1, which is characterized in that the advanced nitrogen
There are two reaction zones, respectively advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V, and there are two the risers, respectively
Connection III side end of aerobic tank and the riser one (8-1) of advanced nitrogen reaction zone V and it connect III other side end of aerobic tank
With the riser two (8) of advanced nitrogen reaction zone IV, there are two the deflectors, is respectively located in advanced nitrogen reaction zone V
With riser one (8-1) parallel arrangement deflector one (9-1) and in advanced nitrogen reaction zone IV with riser two
(8) be arranged in parallel deflector two (9), there are two the water collecting dikes, respectively be located at advanced nitrogen reaction zone V in mention
Riser one (8-1) is in the water collecting dike two (10) at both ends and being in advanced nitrogen reaction zone IV with riser two (8)
The water collecting dike one (10-1) at both ends, water collecting dike two (10) and water collecting dike one (10-1) are connected by processing water conveyance conduit (11) respectively
Meet vertical central tube (11-1).
6. being suitable for the processing unit of sewage quantity fluctuation according to claim 5, which is characterized in that the advanced nitrogen
The bottom of reaction zone IV connects concentration basin VIII by sludge lifting pipe one (16), and the bottom of advanced nitrogen reaction zone V passes through sludge
Riser two (15) connects concentration basin VIII.
7. being suitable for the processing unit of sewage quantity fluctuation according to claim 5, which is characterized in that the advanced nitrogen
Reaction zone IV and advanced nitrogen reaction zone V promote mixed liquor by the interval of riser one (8-1) and riser two (8) come real
Existing alternate run, and advanced nitrogen reaction zone IV and advanced nitrogen reaction zone V keep constant water level operation.
8. being suitable for the processing unit of sewage quantity fluctuation according to claim 7, which is characterized in that the alternate run
The cycle of operation be 4h, wherein 2h of intaking, be aerated 1.5h, quiet heavy 0.5h.
9. being suitable for the processing units of sewage quantity fluctuation according to claim 1 or described in 5, which is characterized in that the water outlet
The water outlet (13) of slot VII is provided with duct type ultraviolet sterilizer (12), and the bottom of the concentration basin VIII, which is provided with, is connected to outside
Excess sludge delivery pipe (19).
10. being suitable for the processing unit of sewage quantity fluctuation according to claim 1, which is characterized in that the anaerobic pond
I, anoxic pond II, aerobic tank III operating water level according to come water and processing capacity difference realize become water level operation, that is, when into
When water is greater than processing capacity, operating water level lifting step by step；When inflow is less than processing capacity, operating water level is gradually reduced,
The fluctuation into equipment sewage quantity is buffered with this, ensures equipment stable operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551244.1A CN110282740A (en) | 2019-06-24 | 2019-06-24 | A kind of processing unit suitable for sewage quantity fluctuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551244.1A CN110282740A (en) | 2019-06-24 | 2019-06-24 | A kind of processing unit suitable for sewage quantity fluctuation |
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| Publication Number | Publication Date |
|---|---|
| CN110282740A true CN110282740A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910551244.1A Pending CN110282740A (en) | 2019-06-24 | 2019-06-24 | A kind of processing unit suitable for sewage quantity fluctuation |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863586A (en) * | 2010-05-28 | 2010-10-20 | 中山大学 | Membrane bioreactor for denitrification and waste water denitrification method |
| CN102531272A (en) * | 2010-12-31 | 2012-07-04 | 苏州嘉净环保科技股份有限公司 | Integrated device for treating decentralized domestic sewage |
| CN106517678A (en) * | 2016-12-29 | 2017-03-22 | 华南理工大学 | Rural domestic wastewater integrated processing device and technology |
| CN208471840U (en) * | 2018-06-22 | 2019-02-05 | 上海众邦盛环保科技有限公司 | Decentralized integrated sewage treatment device |
-
2019
- 2019-06-24 CN CN201910551244.1A patent/CN110282740A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863586A (en) * | 2010-05-28 | 2010-10-20 | 中山大学 | Membrane bioreactor for denitrification and waste water denitrification method |
| CN102531272A (en) * | 2010-12-31 | 2012-07-04 | 苏州嘉净环保科技股份有限公司 | Integrated device for treating decentralized domestic sewage |
| CN106517678A (en) * | 2016-12-29 | 2017-03-22 | 华南理工大学 | Rural domestic wastewater integrated processing device and technology |
| CN208471840U (en) * | 2018-06-22 | 2019-02-05 | 上海众邦盛环保科技有限公司 | Decentralized integrated sewage treatment device |
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