CN105129969B - Perimeter filter water outlet biochemical sedimentation basin - Google Patents
Perimeter filter water outlet biochemical sedimentation basin Download PDFInfo
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- CN105129969B CN105129969B CN201510542811.9A CN201510542811A CN105129969B CN 105129969 B CN105129969 B CN 105129969B CN 201510542811 A CN201510542811 A CN 201510542811A CN 105129969 B CN105129969 B CN 105129969B
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- sedimentation basin
- water
- sewage
- aerobic biochemical
- biochemical sedimentation
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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 invention belongs to water pollution control and prevention and control field, the purification method of more particularly to a kind of sewage and polluted water body, including aerobic biochemical sedimentation basin, anaerobic biological pond and clear water reserviors three parts, wherein anaerobic biological pond connects with aerobic biochemical sedimentation basin bottom, and the pool wall between clear water reserviors and aerobic biochemical sedimentation basin is provided with filter membrane.Solid contaminant in sewage is trapped within degraded in aerobic biochemical precipitation and anaerobic biological pond or removed as excess sludge, and clear water enters clear water reserviors qualified discharge or reuse through filter membrane.Perimeter filter water outlet biochemical sedimentation basin integrates anaerobic pond, Aerobic Pond, sedimentation basin, filtering ponds, is focused on after making enriching pollutants, processing and contaminated natural water especially suitable for low concentration stain disease.
Description
Technical field
The invention belongs to water pollution control and prevention and control field, the purification method of more particularly to a kind of sewage and polluted water body.
Background technology
Sewage treatment plant is that current water pollution control and prevention and control field use most commonly used water pollution control technology.But
Sewage treatment plant is primarily adapted for use in processing high-concentration waste water under the conditions of existing economic technology, contrast《Urban wastewater treatment firm is dirty
Contaminate thing discharge standard》The most tight primary standard A standards of GB18918-2002 and GB3838-2002《Water environment quality standard》In
V minimum class water quality standard of water quality requirement, it is possible to find sewage treatment plant tail water even can not meet the minimum surface water of water quality requirement
Water quality requirement, still it is discharged into surface water body as sewage.
Existing sewage treatment plant is mainly removed or degraded by various sewage treatment facilities the pollutant in sewage, sewage
In pollutant concentration progressively from high step-down, after being difficult to make the enriching pollutants in sewage in processing procedure, then focus on
High-concentration waste water, this is also that existing sewage treatment plant is not suitable for handling the one of the relatively low sewage of pollutant concentration or polluted water body
Individual major reason.And the relatively low sewage treatment plant tail water of pollutant concentration or contaminated water body are directed to, it is main using oxidation at present
The pool, artificial floating island, artificial swamp, biology such as put in a suitable place to breed at the treatment measures, but these measure treatment effeciencies are low, floor space is big.
Aerobic treatment, anaerobic biochemical treatment, precipitation and filtering etc. are the conventional processing methods of current sewage treatment plant,
These processing methods often occur with the relatively independent structures such as anaerobic biological pond, aerobic biochemical pool, sedimentation basin and artificial filter tank,
These structures floor spaces are big, and conveying of the sewage between these structures consumes substantial amounts of energy, and it is invested and running cost
With higher.
Second pond is one kind in sedimentation basin, is that sewage disposal common in the sewage treatment plant using activated sludge process is set
Apply, it is standing to be placed in after the biochemical treatment unit such as anaerobic pond, Aerobic Pond, for removing the suspension in sewage.In second pond
Sludge enters bottom of pond by layering and precipitating, and supernatant is by peripheral overflow water outlet, and effluent quality is directly by the effect of settling of sludge
Influence.To avoid influence of the caused disturbance to effect of settling in sewage treatment facility running, therefore, it is difficult to existing
Water processing establishment, the spaces of second pond such as mixer, aerator is set to be underutilized in second pond.
It is of the invention by setting filter membrane on the periphery of second pond to eliminate influence of the sludge settling effect to second pond,
Realize perimeter filter water outlet.After effect of settling is eliminated to the influence of effluent quality, it can be installed in second pond at the water such as aerator
Facility is managed, solid contaminant is enriched with pond after filtered water outlet, and is degraded under aerobic condition, due to Action of Gravity Field, solid-state
Pollutant is largely enriched with bottom, sets the higher bottom sewage of anaerobic biological pond processing pollutant concentration.
Because perimeter filter water outlet biochemical sedimentation basin can cause enriching pollutants, therefore it is relatively more suitable for handling pollutant
The relatively low polluted water body of concentration, such as the water inlet water system as preposition pond design emphasis lake river, go out water harnessing as lake vacation
Lake；It is equally applicable to handle the relatively low sewage of pollutant concentration, if should be in periphery mistake for handling the higher sewage of pollutant
Anaerobic pond, septic tank etc. is set to pre-process facility before filtering out water biochemical sedimentation basin.
Water inlet water system as preposition pond design emphasis lake emphasis river：The water body in emphasis lake emphasis river typically has
A plurality of water system is imported, and perimeter filter water outlet biochemical sedimentation basin is set before water system of getting dirty imports emphasis lake emphasis river.By
The general pollutant concentration of sewage system is relatively low, can be fed directly to aerobic biochemical sedimentation basin, and solid contaminant is trapped within aerobic life
Change in reaction tank, pollutant occurs aerobic biochemical reaction and degraded；Due to the solid-state of Action of Gravity Field aerobic biochemical sedimentation basin hypomere
Pollutant load is more, enters the further degradation of contaminant in anaerobic biochemical reaction pond by bottom of pond, dirt is used after anaerobic biochemical reaction
Water pump is back to aerobic biochemical sedimentation basin；Water and operative liquid material in aerobic biochemical sedimentation basin enter clear water by filter membrane
Pond, clear water are discharged into emphasis lake or emphasis water system.
Go out water harnessing lake as lake vacation：Due to have lake evaporation, under blend water intaking water be more than or close to water inlet
Water is smaller without draining river course or displacement, causes pollutant to be accumulated in lake.Canal can be opened up in lake downstream area
Road introduces Lake Water in perimeter filter water outlet biochemical sedimentation basin, and water body is degraded in aerobic biochemical sedimentation basin and anaerobic biological pond
Or pollutant is removed, clear water and operative liquid material enter clear water reserviors by filter membrane, and the clear water in clear water reserviors is as ecological water
Return to lake upstream region.The lake for having discharge outlet also can be because the reasons such as water body flow field, wind field form dead angle, and pollutant is at dead angle
It is interior a large amount of accumulative, heavily contaminated region is formed, channel can be opened up in the dead angle area of heavily contaminated, the Lake Water in heavily contaminated region is drawn
Enter in perimeter filter water outlet biochemical sedimentation basin, heavily contaminated region Lake Water drops in aerobic biochemical sedimentation basin and anaerobic biological pond
Solution, clear water and operative liquid material enter clear water reserviors by filter membrane, and the clear water in clear water reserviors weighs as ecological water return lake
Other waters beyond Polluted area.
As sewage treatment facility：Because the speed of pollutant consumption dissolved oxygen in sewage of low concentration is relatively low, be not suitable for straight
Connect and use anaerobic biochemical treatment measure degradation of contaminant, the aerobic biochemical of perimeter filter water outlet biochemical sedimentation basin can be fed directly to
Carrying out aerobic biochemical degraded in sedimentation basin, the solid contaminant in sewage is trapped in aerobic biochemical sedimentation basin by filter membrane, and
Aerobic biochemical reaction occurs with fluid contaminants and degrades；Due to the solid contaminant of Action of Gravity Field aerobic biochemical sedimentation basin hypomere
Content is more, enters the further degradation of contaminant in anaerobic biochemical reaction pond by bottom of pond, sewage blowback is used after anaerobic biochemical reaction
It flow to aerobic biochemical sedimentation basin；Water and operative liquid material in aerobic biochemical sedimentation basin enter clear water reserviors by filter membrane, clearly
Clear water in pond passes through water pump qualified discharge or reuse.Because the speed of high-concentration sewage consumption dissolved oxygen is very fast, can be set
The facilities such as anaerobic pond, septic tank entered back into after being pre-processed perimeter filter water outlet biochemical sedimentation basin processing, treatment process with it is low
Concentration sewage is consistent.
The content of the invention
To improve the space availability ratio of sewage treatment facility, pollutant is focused on after being progressively enriched with water body, be
Sewage of low concentration and polluted water body seek a kind of processing method of economical and efficient, and the present invention proposes on the basis of second pond is transformed
A kind of perimeter filter water outlet biochemical sedimentation basin.
The perimeter filter water outlet biochemical sedimentation basin of the present invention, it is characterised in that be respectively anaerobic biological pond from inside to outside, good
Oxygen biochemical sedimentation basin and clear water reserviors；Anaerobic biological pond connects with aerobic biochemical sedimentation basin bottom, and clear water reserviors precipitate with aerobic biochemical
Filter membrane is provided with pool wall between pond.
The sewage treatment facilities such as aerator, mud scraper, Slag Scraping Device can be set in aerobic biochemical sedimentation basin.
Sewage or polluted water body directly connect with aerobic biochemical sedimentation basin, and aerobic biochemical sedimentation basin can prolong to water inlet river course
Stretch, clear water reserviors can extend along river course two sides.
Sewage of low concentration or polluted water body can be directly entered aerobic biochemical sedimentation basin；When handling high-concentration sewage, setting is detested
Aerobic biochemical sedimentation basin is entered back into after the pretreatment of the sewage treatment facilities such as oxygen biochemistry pool, septic tank.
The described perimeter filter water outlet biochemical sedimentation basin, bottom is in funnel-shaped design, and dirt is gathered under gravity,
Anaerobic biochemical reaction pond is partly into, a part removes as excess sludge.
As another embodiment of the present invention, the described perimeter filter water outlet biochemical sedimentation basin bottom sets for level
Meter, dirt is collected using mud scraper.
Described filter membrane is the structures for having strainability, such as filter membrane, wire netting, metallic rod composition mistake
Structures are filtered, the wall or natural clay such as with certain permeance property.
Solid contaminant in sewage may deposit to form new filter layer on the surface of filter membrane, and new filter layer contains
A large amount of microorganism organic pollutants, while filtering effluent quality can also be improved, but be increased the resistance of filtering or even block up
Filter membrane is filled in, should periodically be removed.
The method of present invention purification sewage comprises the following steps：
（1）Aerobic biochemical precipitates：Sewage enters aerobic biochemical sedimentation basin along river course, and aeration is provided with aerobic biochemical sedimentation basin
Device increases dirty content of oxygen dissolved in water, and dirty water pollutant occurs aerobic biochemical reaction and cut down, and a part is outstanding in sewage
Float is floated on the water surface and removed by Slag Scraping Device, and a part of suspension precipitation enters aerobic biochemical sedimentation basin hypomere；
（2）Anaerobic biological：Using sewage pump by sewage backflow in anaerobic biological pond to aerobic biochemical sedimentation basin, due to water level
The sewage of poor aerobic biochemical sedimentation basin hypomere enters anaerobic biological pond by bottom, in the sewage of aerobic biochemical sedimentation basin hypomere
Generation anaerobic reaction further cuts down the pollutant in sewage after dissolved oxygen in pollutant consumption sewage；A part in sewage
Suspension is isolated as excess sludge removal from sewage；
（3）Seep water on periphery：Pool wall between clear water reserviors and aerobic biochemical sedimentation basin is provided with filter membrane, is dropped using water pump
The water level of clear water in low clear water reserviors, it is ensured that the water-head of clear water reserviors and aerobic biochemical sedimentation basin；Solid contaminant is blocked by filter membrane
Cut in aerobic biochemical sedimentation basin, water and operative liquid pollutant enter clear water reserviors, clear water discharge or reuse through filter membrane.
The present invention removes the pollutant in sewage, and beneficial effect compared with prior art is：
After the sedimentation basin that 1 present invention designs uses perimeter filter water outlet, relative to the second pond of peripheral overflow water outlet, water outlet
Water quality is not influenceed by sludge effect of settling, and the devices such as Slag Scraping Device, mud scraper, aerator can be set in sedimentation basin, improves precipitation
The space availability ratio in pond.
2 present invention integrate the treatment measures such as aerobic treatment, anaerobic biochemical treatment, precipitation and filtering, reduce
Occupation of land, investment and the operating cost of sewage treatment facility.
After more than 3 kinds of sewage disposal measure is integrated in one, the energy resource consumption between the various facilities of the scattering device avoided.
4 under the filtration of filter membrane solid contaminant be intercepted in aerobic biochemical sedimentation basin, concentrate using aerobic
Biochemical treatment, while solid contaminant is enriched with detests with aerobic biochemical sedimentation basin bottom, further concentration use under gravity
Oxygen biochemical treatment, therefore the present invention has preferable effect for the scattered sewage of low concentration of processing pollutant and polluted water body.
Brief description of the drawings
Fig. 1 is the top view of perimeter filter water outlet biochemical sedimentation basin；
Fig. 2 is the line A-A sectional view of perimeter filter water outlet biochemical sedimentation basin；
Wherein, river course 1, clear water reserviors 2, aerobic biochemical sedimentation basin 3, anaerobic biological pond 4, sewage pump 5, water pump 7.
Embodiment
Embodiment 1：Perimeter filter water outlet biochemical sedimentation basin, it is characterised in that be respectively anaerobic biological pond 4 from inside to outside, good
Oxygen biochemical sedimentation basin 3 and clear water reserviors 2；Anaerobic biological pond 4 connects with the bottom of aerobic biochemical sedimentation basin 3, clear water reserviors 2 and aerobic biochemical
Filter membrane is provided with pool wall between sedimentation basin 3.
When the present invention is used to handle sewage of low concentration or polluted water body, following steps are specifically included：
（1）Aerobic biochemical precipitates：Sewage enters aerobic biochemical sedimentation basin 3 along river course 1, is provided with aerobic biochemical sedimentation basin 3
Aerator increases dirty content of oxygen dissolved in water, and dirty water pollutant occurs aerobic biochemical reaction and cut down, one in sewage
Divide suspension to float on the water surface to remove by Slag Scraping Device, a part of suspension precipitation enters the hypomere of aerobic biochemical sedimentation basin 3；
（2）Anaerobic biological：Using sewage pump 5 by sewage backflow in anaerobic biological pond 4 to aerobic biochemical sedimentation basin 3, due to
The sewage of the hypomere of water-head aerobic biochemical sedimentation basin 3 enters anaerobic biological pond 4 by bottom, the hypomere of aerobic biochemical sedimentation basin 3
Generation anaerobic reaction further cuts down the pollutant in sewage after the dissolved oxygen in pollutant consumption sewage in sewage；In sewage
A part of suspension be isolated as from sewage excess sludge removal；
（3）Seep water on periphery：Pool wall between clear water reserviors 2 and aerobic biochemical sedimentation basin 3 is provided with filter membrane, using water pump
7 reduce the water level of clear water in clear water reserviors 2, it is ensured that the water-head of clear water reserviors 2 and aerobic biochemical sedimentation basin 3；Solid contaminant is by mistake
Filter membrane is intercepted in aerobic biochemical sedimentation basin 3, and water and operative liquid pollutant enter clear water reserviors 2, clear water discharge through filter membrane
Or reuse.
Embodiment 2：Perimeter filter water outlet biochemical sedimentation basin, it is characterised in that be respectively anaerobic biological pond 4 from inside to outside, good
Oxygen biochemical sedimentation basin 3 and clear water reserviors 2；Anaerobic biological pond 4 connects with the bottom of aerobic biochemical sedimentation basin 3, clear water reserviors 2 and aerobic biochemical
Filter membrane is provided with pool wall between sedimentation basin 3.
Comprise the following steps during present invention processing high-concentration sewage：
（1）Before sewage flows into aerobic biochemical sedimentation basin 3, the sewage treatment facilities such as anaerobic biological pond 4, septic tank are first passed through
Pre-processed；
（2）Aerobic biochemical precipitates：Sewage enters aerobic biochemical sedimentation basin 3 along river course 1, is provided with aerobic biochemical sedimentation basin 3
Aerator increases dirty content of oxygen dissolved in water, and dirty water pollutant occurs aerobic biochemical reaction and cut down, one in sewage
Divide suspension to float on the water surface to remove by Slag Scraping Device, a part of suspension precipitation enters the hypomere of aerobic biochemical sedimentation basin 3；
（3）Anaerobic biological：Using sewage pump 5 by sewage backflow in anaerobic biological pond 4 to aerobic biochemical sedimentation basin 3, due to
The sewage of the hypomere of water-head aerobic biochemical sedimentation basin 3 enters anaerobic biological pond 4 by bottom, the hypomere of aerobic biochemical sedimentation basin 3
Generation anaerobic reaction further cuts down the pollutant in sewage after the dissolved oxygen in pollutant consumption sewage in sewage；In sewage
A part of suspension be isolated as from sewage excess sludge removal；
（4）Seep water on periphery：Pool wall between clear water reserviors 2 and aerobic biochemical sedimentation basin 3 is provided with filter membrane, using water pump
7 reduce the water level of clear water in clear water reserviors 2, it is ensured that the water-head of clear water reserviors 2 and aerobic biochemical sedimentation basin 3；Solid contaminant is by mistake
Filter membrane is intercepted in aerobic biochemical sedimentation basin 3, and water and operative liquid pollutant enter clear water reserviors 2, clear water discharge through filter membrane
Or reuse.
Claims (7)
1. perimeter filter water outlet biochemical sedimentation basin, it is characterised in that be respectively anaerobic biological pond from inside to outside（4）, aerobic biochemical sinks
Shallow lake pond（3）And clear water reserviors（2）；Anaerobic biological pond (4) connects with aerobic biochemical sedimentation basin (3) bottom, clear water reserviors (2) with
Filter membrane is provided with pool wall between aerobic biochemical sedimentation basin (3)；The specific works mode of the sedimentation basin is as follows：
1）Aerobic biochemical precipitates：Sewage enters aerobic biochemical sedimentation basin (3) along river course (1), and aerobic biochemical sedimentation basin (3) is interior
Increase dirty content of oxygen dissolved in water provided with aerator, dirty water pollutant occurs aerobic biochemical reaction and cut down, in sewage
A part of suspension is floated on the water surface and removed by Slag Scraping Device, and a part of suspension precipitation enters aerobic biochemical sedimentation basin (3)
Hypomere；
2）Anaerobic biological：Using sewage pump（5）By anaerobic biological pond（4）Interior sewage backflow is to aerobic biochemical sedimentation basin（3）, by
In water-head aerobic biochemical sedimentation basin（3）The sewage of hypomere enters anaerobic biological pond by bottom（4）, aerobic biochemical sedimentation basin
（3）Generation anaerobic reaction further cuts down the pollution in sewage after the dissolved oxygen in pollutant consumption sewage in the sewage of hypomere
Thing；A part of suspension in sewage is isolated as excess sludge removal from sewage；
3）Seep water on periphery：Clear water reserviors（2）With aerobic biochemical sedimentation basin（3）Between pool wall be provided with filter membrane, using water pump
（7）Reduce clear water reserviors（2）The water level of interior clear water, it is ensured that clear water reserviors（2）With aerobic biochemical sedimentation basin（3）Water-head；Solid-state is dirty
Thing is contaminated to be intercepted in aerobic biochemical sedimentation basin by filter membrane（3）Interior, water and operative liquid pollutant enter clear water reserviors through filter membrane
（2）, clear water discharges or reuse.
2. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that in aerobic biochemical sedimentation basin (3)
Aerator is provided with, is additionally provided with mud scraper, Slag Scraping Device, mixer sewage treatment facility.
3. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that the water inlet of sewage or polluted water body
River course (1) connects with aerobic biochemical sedimentation basin (3), and aerobic biochemical sedimentation basin (3) can extend to water inlet river course (1),
Clear water reserviors (2) extend along river course (1) two sides.
4. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that described filter membrane is that have
The structures of strainability.
5. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that processing sewage of low concentration is got dirty
Water body is directly entered aerobic biochemical sedimentation basin（3）；When handling high-concentration sewage, anaerobic biological pond is set（4）, at cesspool sewage
Aerobic biochemical sedimentation basin is entered back into after reason facility pretreatment（3）.
6. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that the biochemical precipitation of perimeter filter water outlet
Bottom of pond portion is in funnel-shaped design, and dirt is gathered under gravity.
7. the perimeter filter water outlet biochemical sedimentation basin as described in claim 1, it is characterised in that the biochemical precipitation of perimeter filter water outlet
Bottom of pond portion is level design, and dirt is collected using mud scraper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510542811.9A CN105129969B (en) | 2015-08-31 | 2015-08-31 | Perimeter filter water outlet biochemical sedimentation basin |
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| CN201510542811.9A CN105129969B (en) | 2015-08-31 | 2015-08-31 | Perimeter filter water outlet biochemical sedimentation basin |
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| CN105129969A CN105129969A (en) | 2015-12-09 |
| CN105129969B true CN105129969B (en) | 2017-11-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668792B (en) * | 2016-03-07 | 2021-02-19 | 重庆华智天下科技有限公司 | Biological contact oxidation filtering sedimentation tank |
| CN106927640B (en) * | 2017-04-25 | 2020-04-17 | 北京市惠全成环境治理工程有限责任公司 | Sewage treatment method |
| CN107459152A (en) * | 2017-09-30 | 2017-12-12 | 邱学尧 | A kind of bio-contact oxidation filtering settling pond |
| CN108033560A (en) * | 2017-12-07 | 2018-05-15 | 邱学尧 | Septic tank up to standard |
| CN108218172A (en) * | 2018-02-22 | 2018-06-29 | 邱学尧 | Filter pipe formula septic tank up to standard |
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| CN101269882A (en) * | 2008-04-10 | 2008-09-24 | 贵州省建筑设计研究院 | Integrated oxidation ditch, construction and operation method |
| CN104211257A (en) * | 2014-09-03 | 2014-12-17 | 福建省臻苑环保科技有限公司 | Concentric circle-assembled waste water treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100374080B1 (en) * | 2000-05-24 | 2003-03-03 | 신기식 | A device cleaning water |
| CN201106008Y (en) * | 2007-10-19 | 2008-08-27 | 张贤彬 | Unified multifunctional sewage water biological-purification reusing apparatus |
| CN102417216B (en) * | 2010-09-28 | 2015-10-07 | 北京仁创砂业科技有限公司 | A kind of landscape water circulation purification system and circulation purifying method thereof |
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- 2015-08-31 CN CN201510542811.9A patent/CN105129969B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269882A (en) * | 2008-04-10 | 2008-09-24 | 贵州省建筑设计研究院 | Integrated oxidation ditch, construction and operation method |
| CN104211257A (en) * | 2014-09-03 | 2014-12-17 | 福建省臻苑环保科技有限公司 | Concentric circle-assembled waste water treatment device |
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