CN201722203U - Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant - Google Patents
Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant Download PDFInfo
- Publication number
- CN201722203U CN201722203U CN2010202526771U CN201020252677U CN201722203U CN 201722203 U CN201722203 U CN 201722203U CN 2010202526771 U CN2010202526771 U CN 2010202526771U CN 201020252677 U CN201020252677 U CN 201020252677U CN 201722203 U CN201722203 U CN 201722203U
- Authority
- CN
- China
- Prior art keywords
- aerobic
- liquid circulation
- aerobic reactor
- reaction zone
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a liquid circulation aerobic reactor driven by a rotary aerator for treating percolate of a garbage incineration plant, which belongs to the technical field of environmentally-friendly purification treatment. The lower part of the liquid circulation aerobic reactor is a first aerobic reaction zone (3), while the upper part thereof is a second aerobic reaction zone (4); a circulation clapboard (2) is arranged between the first aerobic reaction zone and the second aerobic reaction zone; one side of the wall of the first aerobic reaction zone is provided with a water inlet (1); the other side of the wall of the second aerobic reaction zone is provided with a water outlet (6); the surface of the upper part of the second aerobic reaction zone is provided with a rotary aerator (5); and the height of the reactor is between 2 and 13 meters. Due to the adoption of a composite cyclic aeration mode of performing aeration on upper and lower layers at the same time and pushing a water body to flow by surface rotary aeration, the average flow speed of the water body in the reactor is between 0.3m/s to 1m/s. Liquid circulation aerobic treatment technology replaces more traditional process technology such as an activated sludge process, a biofilm process and the like and has wide development prospect in the garbage leachate treatment of the garbage incineration plant.
Description
Technical field
Be used for the liquid circulation aerobic reactor of band rotary aerator (plate-spinning or the commentaries on classics brush) promotion of garbage burning factory percolate processing, belong to the environmental purification processing technology field.
Background technology
The garbage burning factory percolate mainly contains 3 sources: 1. external moisture comprises Atmospheric precipitation and the moisture that enters rubbish with various approach; 2. the rubbish release of rear section initial aqueous that is squeezed; 3. the rubbish moisture that includes of under anaerobism and aerobic-anaerobic microbe effect, degrading and producing.Its leachate quality characteristics are: (1) complicated component, contain multiple pollutent.Percolate is a kind of high concentrated organic wastewater of complicated component, contains the high strength environomental pollution source waste water of a large amount of ammonia nitrogens, suspended substance, organism, heavy metal and pathogenic bacterium etc.(2) Pollutant levels height. intractability is big.Nutritive element is lacked of proper care, is lacked carbon source, particularly later stage BOD/COD value less than 0.1, thereby intractability is big.(3) composition of sewage and quantity are in time, seasonal variation is obvious, the polytropy and the difficult predictability of the water yield have been determined, water quality also changes because of the variation of the water yield and along with the variation of pilling up time, the composition of percolate and the concentration of pollutent are also all corresponding to change.
Aerobic treatment is the important method of wastewater treatment, and at the processing of percolate, aerobic method mainly contains activated sludge process and biomembrance process, and activated sludge process comprises oxidation ditch, sequencing batch active sludge (SBR) etc.; Biomembrance process comprises biological filter, blodisc and membrane bioreactor (MBR) etc.Advantage reliable, that treatment effect is good that Wastewater Treated by Activated Sludge Process waste water has, if but nitrogen and phosphorus content is low in the waste water, and carbon-nitrogen ratio imbalance in servicely is easy to generate sludge bulking, the operation of destruction system.In addition, activated sludge process is relatively poor to the adaptability that percolate waste water quality, the water yield change, and anti impulsion load not, also needs a large amount of oxygenations, has increased the capital construction working cost.The major advantage of biomembrance process is that processing power is big, and the anti impulsion load ability is strong, and floor space is few, and the mud growing amount is few, no sludge bulking, and operational management is convenient etc.But if Pollutant levels are higher or the pre-treatment effect is undesirable in the waste water, it is higher that biomembrance process is handled the organic loading of front end, makes the oxygen supply relative deficiency, and this moment, biological contact oxidation pond was not given play to due effect, and treatment effect is undesirable.
At the problem that aerobic treatment exists in percolate at present, research and develop a kind of anti-high COD and anti-toxic substances, the portative power that is hit is strong, processing efficiency is high, construction costs and the little aerobic treatment technology of floor space have important in theory meaning and practical value.
Summary of the invention
The purpose of this utility model provides a kind of aerobic treatment technology of handling at the garbage burning factory percolate, the liquid circulation aerobic reactor of advantages such as providing a kind of and have that aeration efficiency height, anti impulsion load ability are strong, system stability, investment and working cost are low.
The technical solution of the utility model: a kind of liquid circulation aerobic reactor with the rotary aerator promotion, the bottom of this liquid circulation aerobic reactor is first aerobic reactor zone (3), top is second aerobic reactor zone (4), between first aerobic reactor zone and second aerobic reactor zone, be provided with circulation dividing plate (2), be provided with water-in (1) in the first aerobic reactor zone wall, one side, be provided with water outlet (6) at the second aerobic reactor zone wall opposite side, be provided with rotary aerator (5) at the upper face of second aerobic reactor zone.
The form that adopts rotary aerator (rotating disk or commentaries on classics brush) to promote circulates, and reactor water body mean flow rate can reach 0.3m/s～1m/s.
Lower leaf while aeration in the employing, surface aeration promotes water body mobile compound cycle aeration mode.
The liquid circulation aerobic reactor that described band rotary aerator promotes, it highly is 2～12m.
The liquid circulation aerobic reactor that described band rotary aerator promotes is used for the method that the garbage burning factory percolate is handled, percolate passes through the mode of gravity flow or water pump extraction by water-in (1) influent circulation aerobic reactor, at first carry out the one-level aerobic treatment at first aerobic reactor zone (3), percolate after treatment is guided to second aerobic reactor zone (4) by circulation dividing plate (2), carry out the secondary aerobic treatment by rotary aerator (5) plate-spinning or brush aeration, water volume flow rate is 0.3m/s～1m/s, and final outflow water is flowed out by water outlet (6);
The startup of reactor and operation are divided into and are three phases, fs is the commissioning test stage of reactor, is 10～20 days, inoculation aerobic sludge (as the mud in the aerobic reaction pond of municipal sewage plant), the dried 2-5g/L that counts of sludge concentration in the inoculation post-reactor carries out sludge acclimatization;
Subordinate phase is a cultivation stage, it is 30～50 days, progressively improve flooding quantity according to the situation of mud and the removal effect of reactor, each sludge loading 10%～30% that improves, guarantee that the mixed solution sludge concentration is more than 3000mg/L, the ratio of mixed liquor volatile suspended solid, MLVSS MLVSS and mixed liquor suspended solid, MLSS MLSS is 0.7～0.8, and reactor COD removal effect reaches more than 80%, and sludge volume index SV% is greater than 30%;
Phase III is a stable operation stage, the COD removal effect is stable, the COD clearance is stabilized in more than 80%, dissolved oxygen content is greater than 2mg/L in the reactive system, the water surface flow velocity forms circulation under rotary aerator promotes, reactor water body mean flow rate reaches 0.3m/s～1m/s, finds to have a large amount of campanularians, wheel animalcule in the mud, reach swimming type ciliate microorganism by the microscopic examination meeting.
The beneficial effects of the utility model:
1) system is to the Treatment Stability height of high density and deleterious organic pollutant, and the anti impulsion load ability is strong.
2) band rotation (plate-spinning or change brush) aerator promotes, and can effectively promote contact mass transfer and phase interface of thing to substitute, and has strengthened aerobic resistance ability, improves sewage treating efficiency.
3) in reactive system, promote by rotation (plate-spinning or commentaries on classics brush) aerator, improved oxygen utilization rate, microorganism metabolism is fast, sludge activity height, hydraulic detention time weak point.
4) system forms liquid circulation at inside reactor, has the function of denitrogenation dephosphorizing under the condition of efficient removal organic substance concurrently.
5) simple in structure, easy for installation, be easy to management, strengthened the waterpower operational conditions, obvious processing effect.
6) ability of Chu Liing is compared with original aerobic treatment method, hardly degraded organic substance matter had stronger treatment effect, the processing rate of processing efficiency and contamination index all is greatly improved, the device processes efficient of unit volume is original 2-4 times, and the clearance of pollutent index improves 30%～50%.
7) aspect investment cost, handle the conversion unit and the floor space volume of same amount waste water and want little by 40%～60%, the expense of reducing investment outlay.
Southern Yangtze University utilizes this liquid circulation aerobic reactor that the percolate of Wuxi favour connection rubbish heat power plant is handled, at the high COD of garbage burning factory percolate, the characteristics of water quality complexity, in aerobic treatment, adopted band rotation (the changeing brush) aerobic treatment technology that aerator promotes, the water body after the anaerobic treatment has been obtained good treatment effect.Water inlet COD is about 2000mg/L～10000mg/L, and the residence time is 2 days～10 days, and water outlet COD is 300mg/L～1000mg/L, and the COD clearance is stablized more than 80% during system stable operation.This circulation aerobic treatment technology is applied to have vast potential for future development in the wastewater treatment of garbage burning factory percolate, with the application of conventional process techniques such as increasing substitute activated sludge and biomembrance process in percolate is handled.
Description of drawings
The liquid circulation aerobic reactor synoptic diagram that Fig. 1 band rotary aerator promotes, 1, water-in, 2, the circulation dividing plate, 3, first aerobic reactor zone, 4, second aerobic reactor zone, 5, rotary aerator, 6, water outlet.
Fig. 2 liquid circulation aerobic reactor is to the removal effect of percolate COD.
Fig. 3 liquid circulation aerobic reactor is to the removal effect of ammonia nitrogen in the percolate.
Embodiment
The liquid circulation aerobic reactor that the band rotary aerator promotes
The bottom of this liquid circulation aerobic reactor is first aerobic reactor zone (3), top is second aerobic reactor zone (4), between first aerobic reactor zone and second aerobic reactor zone, be provided with circulation dividing plate (2), be provided with water-in (1) in the first aerobic reactor zone wall, one side, be provided with water outlet (6) at the second aerobic reactor zone wall opposite side, be provided with rotary aerator (5) at the upper face of second aerobic reactor zone.
The liquid circulation aerobic reactor that described band rotary aerator promotes, it highly is 2～12m.
Embodiment 2
The liquid circulation aerobic reactor that the band rotary aerator promotes is used for the garbage burning factory leachate processing method
The startup of reactor and operation are divided into and are three phases, fs is the commissioning test stage of reactor, be about 10～20 days, inoculation aerobic sludge (as the mud in the aerobic reaction pond of municipal sewage plant), sludge concentration in the inoculation post-reactor is carried out sludge acclimatization greater than 2g/L (dewatered sludge concentration).
Subordinate phase is a cultivation stage, be about 30～50 days, improve constantly flooding quantity according to the situation of mud and the COD removal effect of reactor, each load 10%～30% that improves, guarantee that the mixed solution sludge concentration is more than 3000mg/L, the ratio of mixed liquor volatile suspended solid, MLVSS (MLVSS) and mixed liquor suspended solid, MLSS (MLSS) is 0.7～0.8, and reactor COD removal effect is more than 80%, and sludge volume index (SV%) is greater than 30%.
Phase III is a stable operation stage, when flooding quantity reaches designed water, form sludge reaction system in the reactor with certain intensity, the COD removal effect is stable, be stabilized in more than 80%, dissolved oxygen content is greater than 2mg/L in the reactive system, and the water surface flow velocity promotes to form circulation at rotation (changeing brush) aerator, reactor water body mean flow rate reaches 0.3m/s～1m/s, can find to exist in the mud microorganisms such as a large amount of campanularians, wheel animalcule, swimming type ciliate by microscopic examination.
Liquid circulation aerobic reactor is to the removal effect of organic substance
Southern Yangtze University utilizes this liquid circulation aerobic reactor that the percolate of Wuxi favour connection rubbish heat power plant is handled, and the water body after the anaerobic treatment has been obtained good treatment effect.Water inlet COD is about 2000mg/L～10000mg/L, and the residence time is 2 days～10 days, and water outlet COD is 300mg/L～1000mg/L, and the COD clearance is stablized more than 80% during system stable operation.Liquid circulation aerobic reactor to the removal effect of percolate COD as shown in Figure 2.
Liquid circulation aerobic reactor is to the removal effect of ammonia nitrogen
During this liquid circulation aerobic reactor is handled the percolate of Wuxi favour connection rubbish heat power plant, the processing of ammonia nitrogen in the water body has been obtained good treatment effect.Influent ammonia nitrogen is about 800mg/L～1000mg/L, and the water outlet ammonia nitrogen is 100mg/L～400mg/L, and ammonia nitrogen removal frank is stablized more than 70% during system stable operation.Liquid circulation aerobic reactor to the removal effect of ammonia nitrogen in the percolate as shown in Figure 3.
Claims (2)
1. liquid circulation aerobic reactor that promotes with rotary aerator, the bottom that it is characterized in that this liquid circulation aerobic reactor is first aerobic reactor zone (3), top is second aerobic reactor zone (4), between first aerobic reactor zone and second aerobic reactor zone, be provided with circulation dividing plate (2), be provided with water-in (1) in the first aerobic reactor zone wall, one side, be provided with water outlet (6) at the second aerobic reactor zone wall opposite side, be provided with rotary aerator (5) at the upper face of second aerobic reactor zone.
2. the liquid circulation aerobic reactor that band rotary aerator according to claim 1 promotes is characterized in that height for reactor is 2～12m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202526771U CN201722203U (en) | 2010-07-01 | 2010-07-01 | Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202526771U CN201722203U (en) | 2010-07-01 | 2010-07-01 | Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201722203U true CN201722203U (en) | 2011-01-26 |
Family
ID=43490515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202526771U Expired - Fee Related CN201722203U (en) | 2010-07-01 | 2010-07-01 | Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201722203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885564A (en) * | 2010-07-01 | 2010-11-17 | 江南大学 | Liquid circulation aerobic reactor propelled by rotary aerator and method for treating leachate in destructor plants |
-
2010
- 2010-07-01 CN CN2010202526771U patent/CN201722203U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885564A (en) * | 2010-07-01 | 2010-11-17 | 江南大学 | Liquid circulation aerobic reactor propelled by rotary aerator and method for treating leachate in destructor plants |
| CN101885564B (en) * | 2010-07-01 | 2012-04-18 | 江南大学 | Liquid circulation aerobic reactor propelled by rotary aerator and method for treating leachate in destructor plants |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102942293B (en) | Tidal current wetland coupled electrochemical reinforced denitrification and dephosphorization method and system | |
| CN102225825B (en) | Zero-energy-consumption enhanced AB (adsorption-biodegradation) treatment method for urban sewage | |
| CN102701521A (en) | Low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method | |
| CN102502959A (en) | Process for enhancing denitrogenation of membrane bioreactor by anaerobic fermentation acid production | |
| CN203513429U (en) | Compound water purification system of algal-bacterial symbiotic surface flow wetland | |
| CN101376553A (en) | Method for processing low temperature sewerage using low-intensity ultrasonic strengthened membrane bioreactor | |
| CN101973679B (en) | Distributed sewage treatment and regeneration technology | |
| CN113233597A (en) | Method for treating middle and late landfill leachate by endogenous denitrification combined with autotrophic nitrogen removal process | |
| CN102320689A (en) | Continuous flow granular sludge reactor and running method | |
| CN102557349A (en) | Process and device of low energy consumption sewage treatment based on carbon source recovery | |
| CN104529097B (en) | A kind of composite rotating bio-disc waste disposal plant | |
| CN201437522U (en) | Anaerobic hydrolysis and SBR coupling denitrifying dephosphatation device | |
| CN103112948A (en) | Method for rapidly culturing autotrophic nitrogen removal granule sludge under conditions of low substrate concentration and high ascending velocity | |
| CN204385034U (en) | A kind of composite rotating bio-disc waste disposal plant | |
| CN104326560B (en) | A kind of sun power eutrophication water process and phosphorus reclaim integrated apparatus | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN103058453A (en) | Technique for treating rural sewage by micropower double-membrane-process biological treatment device | |
| CN104671408A (en) | Scattered small integrated sewage processing device for rural areas | |
| CN204675887U (en) | Rural area dispersed miniature integrated sewage treating apparatus | |
| CN204198492U (en) | A kind of sun power eutrophication water process and phosphorus reclaim integrated apparatus | |
| CN101549933A (en) | Rural domestic sewage disposal plant | |
| CN201722203U (en) | Liquid circulation aerobic reactor driven by rotary aerator for treating percolate of garbage incineration plant | |
| CN101885564B (en) | Liquid circulation aerobic reactor propelled by rotary aerator and method for treating leachate in destructor plants | |
| CN102372394A (en) | Method for treating rural sewage with effect of removing phosphate and nitrogen | |
| CN201722253U (en) | Synchronous sewage denitrification and phosphorus-removal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI MASHENG ENVIRONMENT ENERGY TECHNOLOGY CO., LT Free format text: FORMER OWNER: JIANGNAN UNIVERSITY Effective date: 20150619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150619 Address after: 214073, 1, B, sunshine city garden, Wuxi, Jiangsu, 314 Patentee after: WUXI MASHENG ENVIRONMENT ENERGY TECHNOLOGY CO., LTD. Address before: 214122 Jiangsu Province, Wuxi City Lake Road No. 1800 Jiangnan University College of environment and civil engineering Patentee before: Jiangnan University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20190701 |