CN1657443A - Sewage treatment method using active sludge-biological filtering pond revere flow and integral device - Google Patents
Sewage treatment method using active sludge-biological filtering pond revere flow and integral device Download PDFInfo
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- CN1657443A CN1657443A CN2004100403121A CN200410040312A CN1657443A CN 1657443 A CN1657443 A CN 1657443A CN 2004100403121 A CN2004100403121 A CN 2004100403121A CN 200410040312 A CN200410040312 A CN 200410040312A CN 1657443 A CN1657443 A CN 1657443A
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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
A method and apparatus for treating sewage features that its bioreacting apparatus uses active sludge-biologic filter pool internal reflux, and the aeration and the non-aeration are flexibly applied to the active sludge segment and biologic filter pool segment for optimizing the treating effect.
Description
Technical field
The present invention relates to a kind of sewage water treatment method and integral biological thereof reaction facility, be specifically related to active sludge-biological filter internal reflux method and integrated sewage treating apparatus, belong to the sewage disposal environment protection
Technical field.
Background technology
Along with industry, agricultural and expanding economy, contain the water body eutrophication degree that the sewage discharge of a large amount of nitrogen, phosphorus causes and be on the rise, ecotope is affected.Traditional process for removing nitrogen and phosphor from sewage is as A
2Technology such as/O, UCT needs four pond bodies such as anaerobic pond, anoxic pond, Aerobic Pond and second pond, and the Aerobic Pond water outlet needs the reflux pump effect, makes partially mixed liquid be back to anoxic pond, realizes denitrification; The second pond phosphorus containing sludge need be circulated back to anaerobic pond by the sludge pump agency part, and the realization polyP bacteria is fully put phosphorus.Particularly for the processing of low discharge, these technical process complexity, energy consumption height, not easy operation control and management.Along with the continuous development of technology, the integral biological technology that relates to sewage disposal is more and more, as Chinese patent 02116029 disclosed " integrated A
2/ O biochemical system ", Chinese patent 03133571 disclosed " sequence batch (integrated film bio-reactor " etc.; but system's self structure complexity that these technology have; be divided into two-layer up and down in the body of pond; what have needs suction pump and lift pump in operational process; increased the energy consumption in the operational process; and operational mode is comparatively single, can not flexible aerobic, anaerobism and anaerobic environment are unfavorable for cultivating dominant bacteria and improve response capacity.To sum up, existing bio-denitrifying sewage phosphorus removing method exists that technical process is long, operation is complicated, aerobic section continuous aeration energy consumption is big, the problem of not easy operation control and management, and there are defectives such as complex structure, initial cost are big in the facility of prior art.
Summary of the invention
Deficiency at above-mentioned prior art exists the object of the present invention is to provide a kind of technical process weak point, energy efficient, is convenient to management, realization anaerobism (anoxic) and aerobic integrated, process combination active sludge-biological filter internal reflux method and integral biological reaction unit flexibly.
The purpose of this utility model is achieved in that active sludge-biological filter internal reflux integral sewage disposal process, adopts active sludge-biological filter internal reflux integrated sewage treating apparatus, and its method is as follows:
(1) technical process is the water of being back to back, and former water at first enters the active sludge section by water inlet pipe, streams through sloping plate deposition district and flap then, enters the bio-filter stuffing layer again, discharges by rising pipe at last;
(2) active sludge section and bottom, biological filter are equipped with aeration tube and by-pass valve control thereof, and filter tank section bottom and middle part are respectively equipped with washpipe and by-pass valve control thereof; Select active sludge section and the equal aeration of biological filter section or equal aerations not by by-pass valve control, but also intermittent aeration or alternately intermittent aeration;
(3) between biological filter section and active sludge section, be provided with return line, when active sludge section not when aeration or limited aeration, the waterhead that produces when relying on the filter tank aeration makes filter tank section exhalant region mixed solution be back to the active sludge section by return line, the internal reflux in the realization response device.
Active sludge-biological filter internal reflux integrated sewage treating apparatus, reaction tank is divided into two reaction zones and a disengaging zone by dividing plate, i.e. leading portion active sludge district and back segment biological filter district, the centre is a separation and precipitation area; Bottom, leading portion active sludge district and bottom, back segment biological filter district are communicated with the separation and precipitation area bottom respectively, and separation and precipitation area inside is provided with flap the settling region is divided into two portions; Former water water inlet pipe is connected on top, active sludge district, and rising pipe is located at the above water level place of biological filter district packing layer; The active sludge section is provided with aeration tube near bottom position; Active sludge district bottom is provided with shore pipe, and regular spoil disposal is to keep stablizing of this section active sludge; The active sludge district also is provided with agitator; There is packing layer to be located on the supporting layer in the district of biological filter, is being provided with aeration tube near packing layer bottom position place; Be respectively equipped with washpipe in filter tank section bottom and middle part, adopt air water to unite flushing, with the microbial film that upgrades in time, by the throw out of violent air water souring lift-off particles filling surface; Be provided with a blow-down pipe before bottom, filter tank, the packing layer water inlet; The settling region is provided with swash plate, adopts sloping plate deposition, quickens mud-water separation.Between biological filter section and active sludge section, be provided with return line, when active sludge section not when aeration or limited aeration, the waterhead that produces when relying on the filter tank aeration makes filter tank section exhalant region mixed solution be back to the active sludge section by return line, thus the internal reflux of realization response device.
Filler in the biological filter adopts homogeneous or along the descending granular filler of sewage flow process filler grating, as selects zeolite, haydite, coke, gac, quartz sand and biocatalysis filler for use, also can adopt floating stuffing and soft-filler.
This device can be according to the water conditioning requirement, different operational modes is set flexibly, as active sludge section aeration-biological filter section aeration (or limited aeration or intermittent aeration), active sludge section aeration-biological filter section aeration (or intermittent aeration) and active sludge-biological filter intermittent aeration or intermittent aeration etc. alternately simultaneously not.
If active sludge section aeration-biological filter section operational mode of aeration (or limited aeration or intermittent aeration) not, then active sludge section I is an aerobic section, and biological filter II is anoxic section (or little oxygen or intermittent aeration section); If the active sludge section operational mode of aeration-biological filter section aeration (or intermittent aeration) not, then active sludge section I is the anoxic section, biological filter II is aerobic section (or intermittent aeration section), and filter tank section mixed solution can be back to the active sludge section by the waterhead of aeration generation and active sludge section; If active sludge-and biological filter intermittent aeration or intermittent aeration operational mode alternately simultaneously, when then active sludge section I was anoxic, biological filter section II was aerobic, and active sludge section I is when being aerobic, filter tank section II then is an anoxic.
The present invention has following characteristics:
(1) active sludge and biological filter two class technologies are in the same reactor,, obtain good treatment effect by optimizing and combination, and stable and reliable operation.
(2) because active sludge has organism and suspended substance removal ability preferably, add the high efficiency separation of sloping plate deposition district to muddy water, reduce entering the sludge quantity of filter tank section greatly, prolonged the filter tank cycle of operation, can save flushing filter tank packing layer water consumption and energy consumption.
(3) in filter tank section segmentation washpipe is set, reduces flushing frequency, can alleviate, can save the water yield again the impact of long nitrifier of generation cycle to not susceptible to plugging filter tank back segment; As when selecting floating stuffing or soft-filler for use, then need not use washpipe.
(4) this device, promotes water level and produces waterhead not when aeration, biological filter section aeration in the active sludge section during by aeration, sends filter tank section water outlet back to the active sludge section by return line, need not add power-equipment in addition.If the biological filter selects for use floating stuffing or soft-filler to replace granular filler, can further improve reflux ratio.
(5) this device can form different functional zone according to the sewage disposal needs in same device.1. active sludge section aeration forms aerobic section, and major function is to remove organism and nitration reaction, and biological filter section limited aeration is little oxygen section, and major function is further to remove on the organic basis, reaches nitration denitrification simultaneously, reduces water outlet TN content.2. active sludge section aeration (only starting agitator) not, be the anoxic section, biological filter Duan Ze carries out continuously or intermittent aeration, like this, the biological filter is when aeration, can promote water level by aeration and produce waterhead, make the mixed solution of filter tank section be back to the active sludge section, thereby realize denitrogenation by return line.3. alternately intermittent aeration is carried out in active sludge and biological filter.When being active sludge section aeration, the biological filter is aeration not, and the active sludge section is when stopping aeration (only stirring), the biological filter section begins aeration, rely on aeration to promote water level simultaneously and produce waterhead, make filter tank section mixed solution be back to the active sludge section, in integrated reactor, realize denitrogenation dephosphorizing simultaneously by return line.
(6) facility investment and working cost are low, operational management is convenient, the integrated degree height: this device adopts the operation of contacting of active sludge-biological filter in same reactor, can be according to the different sewage processing requirements, be implemented in and finish organic matter degradation and denitrogenation dephosphorizing in the same reactor, it is close-coupled processing that sewage is obtained.
This device is by the not middle trial run of aeration (limited aeration and intermittent aeration) pattern of active sludge section aeration-biological filter section, can reach B standard in " urban wastewater treatment firm pollutant emission standard (GB18918-2002) " primary standard and stable and reliable operation to municipal sewage treatment.
Description of drawings
Fig. 1: active sludge-biological filter internal reflux integrated reacting apparatus vertical planning drawing;
Fig. 2: active sludge-biological filter internal reflux integrated reactor setting plane;
Fig. 3, Fig. 4: active sludge-biological filter internal reflux integrated reacting apparatus flow direction synoptic diagram.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1: referring to Fig. 1,2, this device active sludge-biological filter internal reflux integral biological reaction unit is by dividing plate reaction tank to be divided into two reaction zones and a disengaging zone, leading portion active sludge district bottom and bottom, back segment biological filter district are communicated with bottom separation and precipitation area respectively, and separation and precipitation area inside is provided with flap 10 settling region is divided into two portions.As shown in Figure 3, this technical process is the water of being back to back, and former water at first enters the active sludge section by water inlet pipe 1, stream through swash plate 12 settling regions and flap 10 then, after enter the bio-filter stuffing layer, discharge by rising pipe 5 at last.The active sludge pars infrasegmentalis is provided with aeration tube 2, and DO is 2.0mg/L during continuous aeration; The bottom is provided with shore pipe 3, by valve control, and regular spoil disposal, while double as blow-down pipe, the sewage of the active sludge section of can draining when needing; The active sludge district also is provided with agitator 8.Have packing layer to be located on the perforation filter plate 11 in the district of biological filter, the biological filter section is being provided with aeration tube 7 near packing layer bottom position place, adopts intermittent aeration, and exposing to the sun between the stopping time is hour to stop exposing to the sun in 2 hours aeration/1, and DO is about 1.0mg/L during aeration; Section bottom, filter tank and middle part are provided with washpipe 6, regularly packing layer are washed, and quicken biomembranous renewal; Rising pipe 5 is located at the above certain water level place of packing layer; Be provided with a blow-down pipe 9 before bottom, filter tank, the packing layer water inlet, can the interior sewage of emptying filter tank section.4 is return lines among the figure.Select for use haydite to make filler.
Embodiment 2: referring to Fig. 4, former water at first enters the active sludge section by water inlet pipe 1, stream through sloping plate deposition district and flap then, after enter the bio-filter stuffing layer, discharge by rising pipe 5 at last.Close aeration tube 2, the active sludge section is aeration not, starts agitator 8, makes the active sludge in this section be in suspended state; The bottom of active sludge section is provided with shore pipe 3, by valve control, and regular spoil disposal, while double as blow-down pipe, the sewage of the active sludge section of can draining when needing; The biological filter section is being provided with aeration tube 7 near packing layer bottom position place, adopts continuous aeration or intermittent aeration, and DO maintains more than the 2.0mg/L; When the aeration of filter tank, rely on aeration can promote water level, make active sludge section and biological filter section produce waterhead, the mixed solution of filter tank section is back to the active sludge section by return line, carries out denitrification.Section bottom, pond, filter tank and middle part are provided with washpipe 6, regularly packing layer are washed; Rising pipe 5 is located at the above certain water level place of packing layer; Be provided with a blow-down pipe 9 before bottom, filter tank, the packing layer water inlet, can the interior sewage of emptying filter tank section.Select floating stuffing for use.
Embodiment 3 is mainly used in and removes organism, suspended substance and denitrogenation dephosphorizing.
Embodiment 3: referring to Fig. 3, Fig. 4, former water at first enters the active sludge section by water inlet pipe 1, stream through sloping plate deposition district and flap then, after enter the bio-filter stuffing layer, discharge by rising pipe 5 at last.Active sludge section and filter tank section adopt alternately intermittent aeration, and promptly during the active sludge aeration, the filter tank section is aeration not, and its flow direction synoptic diagram as shown in Figure 3; And the active sludge section is not during aeration, start agitator, keep mud and be in suspended state, this moment filter tank section aeration, the water level of filter tank section relies on aeration to get a promotion, produce waterhead with the active sludge section, by return line with this filter tank section mixed-liquor return to the active sludge section, its flow direction synoptic diagram is as shown in Figure 4.Mud section bottom is provided with shore pipe 3, by valve control, and regular spoil disposal, while double as blow-down pipe, the sewage of the active sludge section of can draining when needing; Section bottom, filter tank and middle part are provided with washpipe 6, the periodic flushing packing layer; Rising pipe 5 is located at the above certain water level place of packing layer; Be provided with a blow-down pipe 9 before bottom, filter tank, the packing layer water inlet, can the interior sewage of emptying filter tank section.Select soft-filler for use.
Main technical details
Hydraulic detention time: total residence time: 8～12 hours, wherein the active sludge section was 2.9～4.4 hours, biological filter section 2.6～3.8 hours, settling region 2.5～3.8 hours
Reflux ratio: 0.5～4.0
Bed stuffing height: total height 900mm, supporting layer 100mm wherein, filtering layer 800mm
The granular filler particle diameter: 100mm place, packing layer bottom is a supporting layer, and particle diameter is 8～12mm, and all the other packing material sizes are 5～8mm.
Filler type: granular filler, floating stuffing, soft-filler.
Claims (5)
1, active sludge-biological filter internal reflux sewage water treatment method is characterized in that adopting active sludge-biological filter internal reflux integral biological reaction unit, and its method is as follows:
(1) technical process is the water of being back to back, and former water at first enters the active sludge section by water inlet pipe, streams through sloping plate deposition district and flap then, enters the bio-filter stuffing layer again, discharges by rising pipe at last;
(2) active sludge section and bottom, biological filter are equipped with aeration tube and by-pass valve control thereof, and filter tank section bottom and middle part are respectively equipped with washpipe and by-pass valve control thereof; Select active sludge section and the equal aeration of biological filter section or equal aerations not by by-pass valve control, but also intermittent aeration or alternately intermittent aeration;
(3) between biological filter section and active sludge section, be provided with return line, when active sludge section not when aeration or limited aeration, the waterhead that produces when relying on the filter tank aeration makes filter tank section exhalant region mixed solution be back to the active sludge section by return line, the internal reflux in the realization response device.
2, active sludge-biological filter internal reflux integrated sewage treating apparatus, it comprises reaction tank, water inlet pipe (1), rising pipe (5), it is characterized in that: reaction tank is divided into two reaction zones and a disengaging zone by dividing plate (13), be leading portion active sludge district and back segment biological filter district, the centre is a separation and precipitation area; Bottom, leading portion active sludge district and bottom, back segment biological filter district are communicated with the separation and precipitation area bottom respectively, and separation and precipitation area inside is provided with flap (10) settling region is divided into two portions; Former water water inlet pipe (1) is connected on top, active sludge district, and rising pipe (5) is located at the above water level place of biological filter district packing layer; The active sludge pars infrasegmentalis is provided with aeration tube (2); Bottom, active sludge district is provided with shore pipe (3) double as evacuated tube, and the active sludge district also is provided with agitator (8); There is packing layer to be located on the perforation filter plate (11) in the district of biological filter, is being provided with aeration tube (7) near packing layer bottom position place; Be respectively equipped with washpipe (6) in filter tank section bottom and middle part; Be provided with a blow-down pipe (9) before bottom, filter tank, the packing layer water inlet.
3, waste disposal plant according to claim 2 is characterized in that: be provided with return line (4) between filter tank water outlet place and the active sludge section.
4, waste disposal plant according to claim 1 is characterized in that: the filler in the biological filter adopts homogeneous or along the descending granular filler of sewage flow process filler grating, also can adopt floating stuffing and soft-filler.
5, waste disposal plant according to claim 1 is characterized in that: the settling region is provided with swash plate (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100403121A CN1281519C (en) | 2004-07-22 | 2004-07-22 | Sewage treatment method using active sludge-biological filtering pond revere flow and integral device |
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| CNB2004100403121A CN1281519C (en) | 2004-07-22 | 2004-07-22 | Sewage treatment method using active sludge-biological filtering pond revere flow and integral device |
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| CN1281519C CN1281519C (en) | 2006-10-25 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329316C (en) * | 2005-12-19 | 2007-08-01 | 东南大学 | Activated sludge dephosphorizing and denitrifying method with alternated water intake from multi-spots |
| CN103922475A (en) * | 2014-05-04 | 2014-07-16 | 太原理工大学 | Biological degradation method of nitrogen-containing heterocyclic compound wastewater |
| CN103951037A (en) * | 2014-04-10 | 2014-07-30 | 北京工业大学 | Integrated denitrification method and device by using multi-environment biomembrane-activated sludge system |
| CN104710085A (en) * | 2015-04-02 | 2015-06-17 | 四川省科学城天人环保有限公司 | Efficient AOAS integrated sewage treatment device and process thereof |
| CN104773823A (en) * | 2014-10-17 | 2015-07-15 | 湖北省益境环保科技有限公司 | A/O reactor capable of achieving reflux without pump |
| CN105036333A (en) * | 2015-07-21 | 2015-11-11 | 青岛理工大学 | Self-control intermittent water inlet subsection aeration treatment system |
| CN105858888A (en) * | 2016-04-26 | 2016-08-17 | 青岛理工大学 | Biological dephosphorization denitrification device based on AAO (anaerobic-anoxic-oxic) technique |
| CN106145323A (en) * | 2014-12-18 | 2016-11-23 | 韩国建设技术研究院 | Possess lower water, the wastewater treatment equipment of the one-piece type reactive tank of aeration/precipitate |
| CN106630499A (en) * | 2017-03-01 | 2017-05-10 | 合肥智慧龙图腾知识产权股份有限公司 | Efficient and rapid sewage treatment device |
| CN106861538A (en) * | 2017-03-01 | 2017-06-20 | 煤炭科学研究总院杭州研究院 | A kind of packaged type biochemical system activated sludge throwing device and method |
| CN109354333A (en) * | 2018-12-12 | 2019-02-19 | 刘鹏 | Biological wastewater treatment systems and sewage water treatment method |
| CN110540348A (en) * | 2019-10-15 | 2019-12-06 | 周易 | novel high-efficiency sewage nitrogen and phosphorus removal treatment process and equipment |
| CN111875181A (en) * | 2020-08-07 | 2020-11-03 | 南京天河水环境科技有限公司 | Pretreatment tank for water body treatment system |
-
2004
- 2004-07-22 CN CNB2004100403121A patent/CN1281519C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329316C (en) * | 2005-12-19 | 2007-08-01 | 东南大学 | Activated sludge dephosphorizing and denitrifying method with alternated water intake from multi-spots |
| CN103951037B (en) * | 2014-04-10 | 2015-11-04 | 北京工业大学 | Utilize multi-environment microbial film-Sludge System integral type denitrogenation method and device |
| CN103951037A (en) * | 2014-04-10 | 2014-07-30 | 北京工业大学 | Integrated denitrification method and device by using multi-environment biomembrane-activated sludge system |
| CN103922475A (en) * | 2014-05-04 | 2014-07-16 | 太原理工大学 | Biological degradation method of nitrogen-containing heterocyclic compound wastewater |
| CN104773823A (en) * | 2014-10-17 | 2015-07-15 | 湖北省益境环保科技有限公司 | A/O reactor capable of achieving reflux without pump |
| CN106145323A (en) * | 2014-12-18 | 2016-11-23 | 韩国建设技术研究院 | Possess lower water, the wastewater treatment equipment of the one-piece type reactive tank of aeration/precipitate |
| CN106145323B (en) * | 2014-12-18 | 2019-11-26 | 韩国建设技术研究院 | Have being lauched of the one-piece type reactive tank of aeration/precipitating, wastewater treatment equipment |
| CN104710085A (en) * | 2015-04-02 | 2015-06-17 | 四川省科学城天人环保有限公司 | Efficient AOAS integrated sewage treatment device and process thereof |
| CN104710085B (en) * | 2015-04-02 | 2017-07-07 | 四川省科学城天人环保有限公司 | A kind of efficient AOAS integrated sewage treating apparatus and its technique |
| CN105036333A (en) * | 2015-07-21 | 2015-11-11 | 青岛理工大学 | Self-control intermittent water inlet subsection aeration treatment system |
| CN105858888A (en) * | 2016-04-26 | 2016-08-17 | 青岛理工大学 | Biological dephosphorization denitrification device based on AAO (anaerobic-anoxic-oxic) technique |
| CN106630499A (en) * | 2017-03-01 | 2017-05-10 | 合肥智慧龙图腾知识产权股份有限公司 | Efficient and rapid sewage treatment device |
| CN106861538A (en) * | 2017-03-01 | 2017-06-20 | 煤炭科学研究总院杭州研究院 | A kind of packaged type biochemical system activated sludge throwing device and method |
| CN106861538B (en) * | 2017-03-01 | 2019-05-03 | 煤炭科学研究总院 | A kind of packaged type biochemical system activated sludge throwing device and method |
| CN109354333A (en) * | 2018-12-12 | 2019-02-19 | 刘鹏 | Biological wastewater treatment systems and sewage water treatment method |
| CN110540348A (en) * | 2019-10-15 | 2019-12-06 | 周易 | novel high-efficiency sewage nitrogen and phosphorus removal treatment process and equipment |
| CN110540348B (en) * | 2019-10-15 | 2020-07-07 | 周易 | High-efficiency sewage nitrogen and phosphorus removal treatment process and equipment |
| CN111875181A (en) * | 2020-08-07 | 2020-11-03 | 南京天河水环境科技有限公司 | Pretreatment tank for water body treatment system |
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