CN102153243A - High efficient multifunctional wastewater treatment system - Google Patents
High efficient multifunctional wastewater treatment system Download PDFInfo
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- CN102153243A CN102153243A CN2011101066479A CN201110106647A CN102153243A CN 102153243 A CN102153243 A CN 102153243A CN 2011101066479 A CN2011101066479 A CN 2011101066479A CN 201110106647 A CN201110106647 A CN 201110106647A CN 102153243 A CN102153243 A CN 102153243A
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Abstract
The invention belongs to the technical field of sewage treatment, and in particular relates to a high efficient multifunctional wastewater treatment system used for hardly-degradable organic wastewater. In the invention, the system comprises a DAT (Demand Aeration Tank)A tank, a DAT (Demand Aeration Tank) O tank and an IAT (Intermittent Aeration Tank) connected with each other in series, and thus a DATA-DATO-IATn process is formed, wherein the DATA tank is a preaeration section with functions of preaeration, hydrolysis acidification, biological selection and the like; the DATO tank is an aerobic aeration section in which the wastewater is continuously aerated to impel pollutants to be continuously degraded and transformed under an aerobic effect; and the IATn tank treatment section is a group of reaction tanks which are connected with each other in parallel and have the same functions, and the wastewater alternately enters each tank according to a certain time sequence to respectively finish processes of aeration, sedimentation, water drainage, idling and the like so as to remove the pollutants. The wastewater treatment system has the advantages of increasing the applicability to the biochemical treatment of various wastewaters, reducing the influence of high concentration wastewater on biological bacterium or biological reaction and assuring the normal and stable operation of the whole wastewater treatment system.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of high-efficiency multi-function Waste Water Treatment that is used for organic wastewater with difficult degradation thereby.
Background technology
In field of environment engineering, generally adopt with biochemical process processing municipal wastewater and trade effluent process quilt, its outstanding feature is that running cost is lower, non-secondary pollution.
But for high concentration hard-degraded organic waste water, if adopt general traditional A/O method, A
2All there are some drawback in/O method, SBR method and modification oxidation ditch process thereof etc. and do not reach the ideal effect.For example A/O method technology is the abbreviation of anoxic/aerobic process, normally before the aerobic activated sludge process treatment system of routine, increases by one section anoxic or anaerobic biological treatment process, can remove BOD simultaneously
5And ammonia nitrogen, to handling high-concentration ammonia nitrogenous wastewater (NH
3-N 〉=200mg/L) but is difficult to normal operation.A for another example
2/ O method technology, be before the A/O method, to increase an anaerobism section, waste water is by anaerobic-anoxic-continuously aerobic or carry out repeatedly, improved removal ability to used water difficult to degradate, also strengthened simultaneously the effect of denitrogenation dephosphorizing, shortcoming is the restriction that is subjected to dissolved oxygen and nitrate nitrogen in mud age, the returned sluge, and the effect of dephosphorization is not very good.The SBR method is that the English of intermittent aeration formula activated sludge process is called for short, principal character is made up of a reaction tank, waste water enters reaction tank successively according to certain time sequence, finish into water respectively, aeration, precipitation, draining, idle plurality of processes, make waste water be in anaerobism respectively, anoxic, aerobic different states and reach the purification purpose, this technology has stronger denitrification dephosphorization function, but the pollutants removal rate to high density biodegradability difference is relatively poor, simultaneously because the SBR method adopts pond operation, can not realize the continous-stable operation fully, effluent quality also has fluctuation to a certain degree.
Summary of the invention
The purpose of this invention is to provide a kind of high-efficiency multi-function Waste Water Treatment, this Waste Water Treatment has improved the suitability of various waste water being carried out biochemical treatment, reduced the influence of high-concentration waste water, guaranteed that whole Waste Water Treatment keeps normal stable operation biological bacteria or biological respinse.
For achieving the above object, the present invention has adopted following technical scheme: a kind of high-efficiency multi-function Waste Water Treatment, and it comprises as lower device:
1), DAT
AThe pond is used for the particular case according to waste water quality, takes aeration or anoxic measure, to improve the biodegradability of waste water, DAT
AThe water side in pond and DAT
OThe feed-water end in pond links to each other;
2), DAT
OThe pond is used for waste water is carried out continuous aeration, to remove pollutent, DAT
OThe water side in pond links to each other with the feed-water end in IAT pond;
3), the IAT pond, be used for according to certain time sequence, waste water is finished successively the processing of aeration, precipitation, draining and idle four-stage.
The present invention can also be able to further realization in the following manner:
Described IAT pond is set to one, and in single IAT pond, waste water can only do to be interrupted water outlet, also is waste water is finished aeration, precipitation, draining and idle four processes successively in an IAT pond processing.
It is a plurality of that described IAT pond is set to be connected in parallel to each other, the equal and DAT of the feed-water end in a plurality of IAT pond
OThe water side in pond links to each other.In this technical scheme, from DAT
OThe waste water that the pond is come can enter respectively in each IAT pond successively according to certain time sequence, enter the processing that waste water in certain single IAT pond is finished aeration, precipitation, draining and idle four processes successively, and relative continuous effluent can be realized in a plurality of IAT pond; The quantity in IAT pond is many more, and the continuity of wastewater effluent and the stability of flow are also just strong more.
Preferably, three of being set to be connected in parallel to each other in described IAT pond.
The water side in described IAT pond is provided with leads to DAT
AThe sludge return pipe in pond.
Described DAT
APond, DAT
OPond and IAT pond are adjacent one another are to be abutted in together, to save floor space, reduces cost.
The present invention compares with prior art has following beneficial effect:
1), is applicable to high density polycomponent waste water
This Waste Water Treatment is divided into DAT to DAT of the prior art pond (also being aerobic basin)
APond and DAT
OTwo sections in pond is designed to the form of SBR technology to IAT pond (also being the intermittent aeration pond), has promptly formed DAT
A-DAT
O-SBR technology.It mainly acts on is to have strengthened the preprocessing process of waste water and the treatment effect of IAT pond processing section, improved the suitability of Waste Water Treatment to various wastewater treatments, reduced the influence of high-concentration waste water, guaranteed the normal steady running of system biology or biological respinse.
Waste water is from DAT
AThe feed-water end in pond enters wherein continuously, at DAT
AIn the pond according to the particular case of waste water quality, take corresponding biological selection and aeration, anoxic etc. to regulate measure of control, make waste water tentatively finish reaction process such as acidication, nitrated, ammonification, denitrification, improve the biodegradability of pollutent, for the complete aerobic aeration operation of postorder creates conditions.Waste water is from DAT
ACome out in the water side in pond, gravity flow enters DAT
OThe pond, DAT
OThe pond processing section is complete aerobic aeration section, and waste water carries out continuously uninterrupted aeration at this, makes most of pollutent under the effect of aerobic bacteria, is degraded, removes or transform, and creates conditions for follow-up IAT pond processing section purifies.
2), the continuity of water outlet, homogeneity improve
This Waste Water Treatment is designed to IAT to IAT pond processing section according to the SBR pattern
1, IAT
2... the parallel form of IATn (n 〉=2) makes into water, aeration, precipitation, draining, idle process branch sequential be finished by different ponds.The phase mutual interference can not caused in each pond in switching process simultaneously.
Waste water is from DAT
OAfter coming out in the pond, enter IAT according to the sequential of setting
1, IAT
2... IATn finishes the water inlet, the aeration that set respectively, precipitates, strains water, idle processes such as (plug-flows) in each pond.The situation setting of n according to raw wastewater water quality counted in the pond in IAT pond, and when n=1, IAT pond processing section can only do to be interrupted water outlet; When n get 〉=during 2 natural number, the IAT pond is continuous effluent relatively, n is big more, the continuity of water outlet and the stability of flow are strong more.
For example IAT pond processing section is divided into IAT
1, IAT
2, IAT
3Three ponds, then water inlet can be at IAT
1Carry out in the pond, be deposited in IAT
2Carry out in the pond, and draining is at IAT
3Carry out in the pond, so then can be because of IAT
1The water inlet in pond and disturb IAT
3The draining in pond can be because of IAT yet
2The precipitation in pond and influence IAT
3The draining in pond, thus significantly improved draining water quality, and make whole Waste Water Treatment keep higher Inlet and outlet water continuity and homogeneity.
In the processing section of IAT pond, when each operating procedure was finished by the sequential of setting respectively in each pond, mud was back to DAT by the pond of carrying out precipitation process
ASection and DAT
OSection, thus kept DAT
AAnd DAT
ORequirement to sludge concentration; Unnecessary mud then enters sludge treating system and handles the back outward transport.
3), the processing capacity diversification, denitrogenation dephosphorizing is had effect unique
This Waste Water Treatment is during to various wastewater treatment, has multi-functional and effects such as water quality regulation, preaeration, acidication, nitrated, ammonification, denitrification, and hockets repeatedly, can be because of the deficiency of some links, and cause water quality not up to standard.In addition because the operation of the technology of native system possesses multiple regulating measure, when mixed solution and mud are refluxed, DAT
AWhen aeration intensity, the operation of IATn impeller and sequential are adjusted, can realize control effectively, guarantee that denitrogenation and dephosphorization reach ideal effect the wastewater treatment whole process.
4), this Waste Water Treatment flow process is smooth and easy simple and direct, the plot ratio height.
Compare with the DAT-IAT technology of identical scale, construction cost reduces by 15%, and the aeration capacity utilization improves more than 15%, and overhaul of the equipments is convenient.
5), sludge activity is good
Because of operation scheme has anaerobism, anoxic, aerobic, idle etc. hocketing, so sludge index SVI value is low, sludge activity is good, is easy to precipitation, can not produce sludge bulking.
6), embodiment is simple
When selecting for use this Waste Water Treatment to handle certain waste water, or when determining this Waste Water Treatment as the main processes of certain wastewater treatment, can be according to the size and the Pollutant levels height of the water yield, select skeleton construction, metal construction or nonmetal structure, and can do to arrange flexibly according to the size and the present position of construction land area, very easily realize the integral structure of equipment, thus economical with materials and cost.
When selecting this Waste Water Treatment to transform traditional technology, generally the construction of structures and the equipment of former process unit can be made full use of, can not cause a large amount of equipment discarded.Thereby the reduction of improvement expenses maximum amplitude.
7), control performance is good
The process control of this Waste Water Treatment can realize sequencing easily, thereby has improved level of automation.Particularly control effectively for each Inlet and outlet water valve of lift pump, sludge reflux pump and IAT pond, program is fairly simple, and automatic control and manual control all can.Also can be connected in addition, to realize comprehensive automatic control with other supporting with it processing unit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of embodiment among the present invention.
Embodiment
As shown in Figure 1, this high-efficiency multi-function Waste Water Treatment comprises placed in-line successively DAT
APond, DAT
OPond and IAT pond have also promptly constituted DAT
A-DAT
O-IATn technology, wherein DAT
AThe pond is the preaeration section, has functions such as preaeration, acidication, biological selection; DAT
OThe pond is the aerobic aeration section, and waste water impels pollutent constantly to degrade, transform under aerobic effect at the successive aeration of this section.IATn pond processing section is one group of parallel connection and the identical reaction tank of function, and waste water alternately enters each pond by certain time sequence, finishes aeration, precipitation, draining, technological process such as idle respectively, realizes the removal of pollutent.
Below in conjunction with specific embodiment the present invention is further elaborated:
As shown in Figure 2, the structural representation of Shandong Fabritex S.r.l. sewage treatment project.The said firm is a Saudi Arabia Sole Proprietorship, mainly is desized wastewater, day processing waste water 1500m
3, average COD
CrAbout 6000mg/L, raw wastewater is introduced into the UASB anaerobic reation pool, and difficult degradation macromole organic pollutant by hydrolysis, acidifying and one-tenth gas process, is removed the part pollutent and also improved biodegradability; Each link that enters this technology is then successively handled; Last treated waste water quality reaches the first discharge standard that " south water to north water along the line in Shandong Province's pollutes comprehensive discharge standard " stipulates in the standard of key preservation area in (GB37/599-2006), has following index:
COD
cr≤60mg/L BOD
5≤20mg/L SS≤50mg/L，
NH
3-N≤10mg/L colourity≤40
The configuration of this project wastewater treatment process is based on this technology, and adopts UASB to do pre-treatment, and running cost is low, water quality reaching standard rate height.Now the overproof water quality phenomenon does not appear in steady running 3 years.
Prove through case history, when this technology is used separately, can reach following effect:
Water inlet: COD
Cr1000～3000mg/L
BOD
5 300～1500mg/L
NH
3-N 200～500mg/L
Water outlet: COD
Cr≤ 60mg/L
BOD
5≤20mg/L
NH
3-N≤10mg/L
SS≤50mg/L
Clearance: COD
Cr〉=90% NH
3-N 〉=97%
Claims (7)
1. high-efficiency multi-function Waste Water Treatment is characterized in that comprising as lower device:
1), DAT
AThe pond is used for the particular case according to waste water quality, takes aeration or anoxic measure, to improve the biodegradability of waste water, DAT
AThe water side in pond and DAT
OThe feed-water end in pond links to each other;
2), DAT
OThe pond is used for waste water is carried out continuous aeration, to remove pollutent, DAT
OThe water side in pond links to each other with the feed-water end in IAT pond;
3), the IAT pond, be used for according to certain time sequence, waste water is finished successively the processing of aeration, precipitation, draining and idle four-stage.
2. high-efficiency multi-function Waste Water Treatment according to claim 1 is characterized in that: described IAT pond is set to one.
3. high-efficiency multi-function Waste Water Treatment according to claim 1 is characterized in that: it is a plurality of that described IAT pond is set to be connected in parallel to each other, the equal and DAT of the feed-water end in a plurality of IAT pond
OThe water side in pond links to each other.
4. high-efficiency multi-function Waste Water Treatment according to claim 1 is characterized in that: described DAT
AThe pond is provided with the PH setting device, and DAT
AThe pH value of waste water is 6.5～7.5 in the pond.
5. high-efficiency multi-function Waste Water Treatment according to claim 3 is characterized in that: three of being set to be connected in parallel to each other in described IAT pond.
6. according to claim 1 or 2 or 3 described high-efficiency multi-function Waste Water Treatments, it is characterized in that: the water side in described IAT pond is provided with leads to DAT
AThe sludge return pipe in pond.
7. according to claim 1 or 2 or 3 described high-efficiency multi-function Waste Water Treatments, it is characterized in that: described DAT
APond, DAT
OPond and the IAT pond is adjacent one another are abuts in together.
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|---|---|---|---|
| CN2011101066479A CN102153243A (en) | 2011-04-27 | 2011-04-27 | High efficient multifunctional wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101066479A CN102153243A (en) | 2011-04-27 | 2011-04-27 | High efficient multifunctional wastewater treatment system |
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|---|---|
| CN102153243A true CN102153243A (en) | 2011-08-17 |
Family
ID=44434976
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616988A (en) * | 2012-03-23 | 2012-08-01 | 安徽南风环境工程技术有限公司 | Wastewater processing system during production of HIV (Human Immunodeficiency Virus) prevention medicament |
| CN103145247A (en) * | 2013-04-02 | 2013-06-12 | 上海泓济环保工程有限公司 | Composite HBF (Honess Hybrid Biological&Fixed film Technology) module reactor and sewage treatment process |
| CN103224311A (en) * | 2013-05-12 | 2013-07-31 | 河北农业大学 | Sewage depth processing system |
| CN103880241A (en) * | 2014-02-18 | 2014-06-25 | 河北农业大学 | Sewage treatment equipment and sewage treatment method |
| CN105502806A (en) * | 2015-12-03 | 2016-04-20 | 合肥工业大学 | Efficient pesticide removing system and method based on plasma and multi-group SBR (sequencing batch reactor) reaction tanks |
| CN106517520A (en) * | 2016-12-06 | 2017-03-22 | 深圳合续环境科技有限公司 | MBBR continuous flow sequencing batch sewage treatment device and method thereof |
| CN107879468A (en) * | 2017-10-30 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | A kind of photovoltaic multistage SBR parallel connections waste water mixed processing technique |
| CN108298689A (en) * | 2018-04-16 | 2018-07-20 | 沈阳环境科学研究院 | A kind of sewage treatment plant's in-situ denitrification carries mark modernization system and sewage water treatment method |
| CN108298776A (en) * | 2018-04-16 | 2018-07-20 | 沈阳环境科学研究院 | A kind of sewage treatment plant carries mark modernization system and sewage water treatment method |
| 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 |
| CN113213631A (en) * | 2021-05-31 | 2021-08-06 | 安徽师范大学 | Constant-temperature anaerobic-aerobic integrated organic sewage monitoring and treating system |
| CN114409076A (en) * | 2021-11-24 | 2022-04-29 | 南京信息工程大学 | Enhanced denitrification treatment method for rural dispersed sewage |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102616988A (en) * | 2012-03-23 | 2012-08-01 | 安徽南风环境工程技术有限公司 | Wastewater processing system during production of HIV (Human Immunodeficiency Virus) prevention medicament |
| CN102616988B (en) * | 2012-03-23 | 2013-06-05 | 安徽南风环境工程技术有限公司 | Wastewater processing system during production of HIV (Human Immunodeficiency Virus) prevention medicament |
| CN103145247A (en) * | 2013-04-02 | 2013-06-12 | 上海泓济环保工程有限公司 | Composite HBF (Honess Hybrid Biological&Fixed film Technology) module reactor and sewage treatment process |
| CN103224311A (en) * | 2013-05-12 | 2013-07-31 | 河北农业大学 | Sewage depth processing system |
| CN103880241A (en) * | 2014-02-18 | 2014-06-25 | 河北农业大学 | Sewage treatment equipment and sewage treatment method |
| CN103880241B (en) * | 2014-02-18 | 2015-08-26 | 河北农业大学 | A kind of sewage disposal device and sewage water treatment method |
| CN105502806A (en) * | 2015-12-03 | 2016-04-20 | 合肥工业大学 | Efficient pesticide removing system and method based on plasma and multi-group SBR (sequencing batch reactor) reaction tanks |
| CN106517520A (en) * | 2016-12-06 | 2017-03-22 | 深圳合续环境科技有限公司 | MBBR continuous flow sequencing batch sewage treatment device and method thereof |
| CN107879468A (en) * | 2017-10-30 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | A kind of photovoltaic multistage SBR parallel connections waste water mixed processing technique |
| CN107879468B (en) * | 2017-10-30 | 2021-05-07 | 中铁第四勘察设计院集团有限公司 | Photovoltaic multistage SBR parallel wastewater mixed treatment process |
| CN108298689A (en) * | 2018-04-16 | 2018-07-20 | 沈阳环境科学研究院 | A kind of sewage treatment plant's in-situ denitrification carries mark modernization system and sewage water treatment method |
| CN108298776A (en) * | 2018-04-16 | 2018-07-20 | 沈阳环境科学研究院 | A kind of sewage treatment plant carries mark modernization system and sewage water treatment method |
| 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 |
| CN113213631A (en) * | 2021-05-31 | 2021-08-06 | 安徽师范大学 | Constant-temperature anaerobic-aerobic integrated organic sewage monitoring and treating system |
| CN114409076A (en) * | 2021-11-24 | 2022-04-29 | 南京信息工程大学 | Enhanced denitrification treatment method for rural dispersed sewage |
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Application publication date: 20110817 |