CN102092841A - Pulse aeration biological contact oxidation water treatment device - Google Patents
Pulse aeration biological contact oxidation water treatment device Download PDFInfo
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- CN102092841A CN102092841A CN201010598102XA CN201010598102A CN102092841A CN 102092841 A CN102092841 A CN 102092841A CN 201010598102X A CN201010598102X A CN 201010598102XA CN 201010598102 A CN201010598102 A CN 201010598102A CN 102092841 A CN102092841 A CN 102092841A
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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
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a pulse aeration biological contact oxidation water treatment device, belonging to the technical field of water treatment engineering. The device consists of a water pool, an aeration system, a biological padding area, a pulse generator, an air valve and the like. The pulse generator, the aeration system and the biological padding area are successively installed from the bottom of the pool to the upper part; the aeration system and the pulse generator are connected and communicated through the air valve; an air supplying tube continuously supplies air for the pulse generator; after the pulse generator is full of air, the air is quickly released to the aeration system through the air valve, and is released to the biological padding area in a form of small bubbles through the aeration system; and after the air is completely released, the inlet of the aeration system is closed by the air valve so as to stop water from entering. When the device provided by the invention operates, the outside can supply the air for the device in a continuous and low-strength form, and the aeration of the inner padding area is in an intermittent pulse and high strength form; and when micro-polluted water with large oxygen demand is treated, the pulse aeration achieves the aeration strength required when an aged biological film falls off on the premise of guaranteeing the oxygen demand, thereby reducing the air supplying amount and saving energy.
Description
Technical field
The present invention relates to a kind of water treatment device, relate in particular to a kind of pulse aerating apparatus, bio-contact oxidation device bonded treatment device for water.
Background technology
The bio-contact oxidation water technology of continuous aeration is the water technology of ammonia nitrogen in a kind of effective removal water, organic matter, is widely used in the pre-treatment and the water surrounding water correction in sewage disposal, micro-polluted drinking water source.The bio-contact oxidation water treatment device of continuous aeration is made up of the biologic packing material that is installed on the aerating system at the bottom of the pond and hang in the water, pressurized air by the gas blower supply is discharged in the water with the form of small bubbles continuously through aerating system, and, finally enter atmosphere through the rising of biologic packing material district.Under the condition of aeration, the biologic packing material surface growth goes out microbial film, pollutent such as the ammonia nitrogen in can oxidative degradation water and organic matter.The purpose of aeration has two in water, and one is that Xiang Shuizhong charges into dissolved oxygen, keeps microbial film growth and the required oxygen of degradation of contaminant, and required amount of oxygen is relevant with the water yield that enters the pond and Pollutant levels; Another stirs water body when being the bubble rising, washes away the biologic packing material surface, makes the aged biofilm detachment, promotes biomembranous renewal.For the microbial film that can will wear out washes away, required aeration rate is 4～5m on the unit surface
3/ m
2H.The aeration rate that general two kinds of aeration purposes are required is also inconsistent, when handling the micro-polluted drinking water source or improving the nature river water quality, the concentration of water pollutant is lower, and the aeration rate that the oxygenation purpose needs is less, promotes that the aeration rate of microbial film renewal is bigger and stir current.Can only cause the tolerance waste according to the greater aeration during actual motion, waste the energy.
In fact, biomembranous growth and the aging renewal that comes off are processes more slowly, do not need at every moment microbial film to be washed away, and have only when aging biofilm development arrives to a certain degree, just need wash away for some time with required intensity.Therefore, can require to determine required average aeration rate in certain period according to oxygenation, according to microbial film more new demand determine aeration intensity, adopt the mode of pulse interval aeration, promptly period of aeration stops for some time again, constantly repeats.Under the situation that does not increase average aeration rate, ensure to obtain bigger aeration intensity in the period like this at aeration.So both satisfied the required average aeration rate of oxygenation, the required aeration intensity of biofilm detachment when guaranteeing aeration again.For present water treatment system, realize pulse interval formula aeration, need constantly close down the valve on gas blower or the keying steam line, frequent keying will cause very big damage to equipment, thereby be infeasible.
Summary of the invention
The purpose of this invention is to provide a kind of gas pulses generating unit, be combined into the bio-contact oxidation water treatment device of pulse aeration with the bio-contact oxidation filler.This device is an inlet air source with the successive small-flow gas, intermittently produce the giving vent to anger of big flow of pulse, offer the bio-contact oxidation filler, under the prerequisite that satisfies the required average aeration rate of oxygenation, the required aeration intensity of biofilm detachment when having obtained aeration, saved the aeration rate and the energy, kept the good water treatment effect that continues, pollutents such as the ammonia nitrogen in the removal water, organic matter.
For achieving the above object, the present invention adopts following technical proposals: pulse aeration and biological catalytic oxidation water treatment device, comprise the surge generator, valve, aerating system, the biologic packing material district that are provided with in pond and the pond, it is characterized in that at the bottom of the pond, upwards setting gradually surge generator, valve, aerating system, biologic packing material district, be connected by valve between aerating system and the surge generator and communicate.
Described surge generator is made up of straight tube, water seal cover, water seal bucket, collecting hood, interior web plate and outside link plate, water seal bucket upper end open, lower end closed is also fixing with straight tube, water seal cover and collecting hood lower ending opening, upper end closed, have at least 3 interior web plates that water seal cover and straight tube are connected and fixed, have at least 3 outside link plates that collecting hood and water seal bucket are connected and fixed.
Described valve is made up of the pipe of entering, the pipe of going out, ball float, O-ring seals, enter the pipe side have the slit, go out pipe lower end import and the pipe upper end of entering exports the upper and lower sides that is separately fixed at the collecting hood top board, the pipe of going out is connected with the pipe of entering, the pipe upper end outlet of going out is connected with the aeration main and communicates, O-ring seals is stained with the lower end ingress that is bonded at the pipe of going out, and ball float is placed in the pipe of entering.
Described aerating system is made up of aeration main and aeration arm, and the aeration arm is connected with the aeration main and communicates, and the end closure of aeration main and aeration arm, the downside of aeration arm are offered row's aperture.
Described biologic packing material district is made up of biologic packing material, lower bracket and upper bracket, and the two ends of biologic packing material are fixed on lower bracket and the upper bracket.
Described pond is equipped with water inlet pipe and rising pipe.
The air outlet of inlet pipe is arranged on the bottom of the straight tube of surge generator, inlet pipe continuously with than low discharge to the surge generator air feed, when gas in the surge generator holds when full, all be discharged into aerating system in the short period of time, and in water, discharge small bubbles by aerating system, when bubble rises dissolved oxygen is discharged in the water, provides biologic packing material surface microorganism oxidative degradation pollutent required oxygen.Stir current when bubble rises, wash away biologic packing material, make the aging biofilm detachment on biologic packing material surface, promote biomembranous renewal.Pending water enters the pond by water inlet pipe, obtains handling through the biologic packing material district, and the water after the processing is flowed out by rising pipe.During apparatus of the present invention operation, outside air feed to device is a successive, low intensive, and the aeration in biologic packing material district is an intermittent pulse type, high-intensity in the device.
The concrete mode of operation of pulse aeration and biological catalytic oxidation water treatment device is: inlet pipe feeds pressurized air continuously in straight tube, and accumulate in the water seal cover, increase along with gas, water level constantly descends in the straight tube, when water level drops to the lower edge of water seal cover, pressurized air in the water seal cover is promptly walked around water seal cover lower edge suddenly, enters in the collecting hood by the water seal bucket.When pressurized air was popped out the water seal cover, water level rose to straight tube top rapidly in the straight tube, and overflows to outside the straight tube, and the lower edge of water seal cover is flooded, and makes the water seal cover stop to give vent to anger.The gas that enters in the collecting hood is discharged into water by the aperture on valve (the pipe ball float of entering of valve descends with water level), aeration main, aeration arm and the aeration arm with the form of small bubbles.Bubble rises through the biologic packing material district.Pending water enters the pond from water inlet pipe, after the biologic packing material district handles, flows out from rising pipe.
The invention has the beneficial effects as follows:
The present invention is scientific and reasonable for structure, manufactures easily, and cost is low, and is easy to use, effective.During at bio-contact oxidation technical finesse micro-polluted drinking water source and water surrounding water quality, oxygen requirement is few, and it is big to wash away the required aeration intensity of microbial film, continuous aeration causes the problem of tolerance waste, adopt automatic intermittent type pulse aeration, under the prerequisite that ensures oxygen requirement and aeration intensity, reduced air demand, saved the energy.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the air valve structure synoptic diagram of one embodiment of the invention;
Fig. 3 is the surge generator structural representation of one embodiment of the invention;
Among the figure, 1-surge generator, 2-aerating system, 3-biologic packing material district, 4-pond, the straight tube of 5-, 6-water seal cover, 7-water seal bucket, web plate in the 8-collecting hood, 9-, the 10-outside link plate, 11-supporting leg, 12-inlet pipe, 13-valve, 14-aeration main, 15-aeration arm, the 16-biologic packing material, the 17-lower bracket, the 18-upper bracket is at the bottom of the 19-pond, 20-pool wall, 21-water inlet pipe, 22-rising pipe, the 23-pipe of entering, the 24-pipe of going out, 25-ball float, 26-O shape sealing-ring, 27-slit.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, pulse aeration and biological catalytic oxidation water treatment device is made up of surge generator 1, aerating system 2, biologic packing material district 3, valve 13 and pond 4 etc.Surge generator 1 is fixed on 4 bottoms, pond, and biologic packing material district 3 is fixed on 4 tops, pond, and aerating system 2 is connected by valve 13 between aerating system 2 and the surge generator 1 and communicates between surge generator 1 and biologic packing material district 3.
Aerating system 2 is made up of aeration main 14 and aeration arm 15.The lower end of valve 13 links to each other with collecting hood 8 and communicates, and the upper end links to each other with aeration main 14 and communicates, and aeration arm 15 links to each other with aeration main 14 and communicates.The end closure of aeration main 14 and aeration arm 15, the downside of aeration arm 15 are offered the aperture of row's diameter 2～3mm.Aeration main 14 two ends are fixed on the pool wall 20.Aerating system is made with metal tube or hard non-metallic pipe.
Biologic packing material district 3 is made up of biologic packing material 16, lower bracket 17 and upper bracket 18.The two ends of biologic packing material 16 are fixed on lower bracket 17 and the upper bracket 18, and upper bracket 18 and lower bracket 17 two ends are fixed on the pool wall 20.Biologic packing material 16 adopts soft-filler, combined stuffing or elastic filler.Last lower bracket section steel manufacture.Pond 4 is equipped with water inlet pipe 21 and rising pipe 22.
Valve 13 is made up of the pipe 23 of entering, the pipe 24 of going out, ball float 25, O-ring seals 26.Enter the pipe 23 sides have slit 27.Ball float 25 is arranged in the pipe of entering, and can be suspended in the water surface.The go out pipe 24 lower end imports and the pipe 23 upper ends outlet of entering is separately fixed at the upper and lower sides of collecting hood 8 top boards and is connected, and the pipe 24 upper ends outlet of going out is connected with aeration main 14 and communicates, and O-ring seals 26 is stained with that being bonded at gos out and manages 24 lower end ingress.Enter and manage 23, go out and manage 24 usefulness metals or the making of hard non-metallic pipe.
Pulse aeration and biological catalytic oxidation water treatment device operation scheme is, inlet pipe 12 is supply pressurized air in straight tube 5 continuously, accumulate in water seal cover 6 belows, gathering along with gas, water level constantly descends in the straight tube 5, when water level dropped to the lower edge of water seal cover 6, the pressurized air in straight tube 5 and the water seal cover 6 was promptly walked around water seal cover 6 lower edges suddenly, enters in the collecting hood 8 by water seal bucket 7.When pressurized air was popped out water seal cover 6, water levels rose to straight tube 5 tops rapidly in the straight tube 5, and overflow to outside the straight tube, and the lower edge of water seal cover 6 is flooded, and make water seal cover 6 stop to give vent to anger.Behind the air admission collecting hood 8, arrange water wherein, accumulate in collecting hood 8 tops, make water level decline in the cover, ball float 25 in the valve 13 falls with water level, having opened pipe 24 the import of going out, make air in the collecting hood 8 through the slit 27, the pipe 24 of going out enters aeration main 14 and aeration arm 15, the aperture on aeration arm 15 is discharged in the water with the form of small bubbles again.Release along with air in the collecting hood 8, its median water level constantly rises, ball float 25 rises to pipe 24 imports of going out with water level, be close to O-ring seals 26 downsides, block water enters in aeration main 14 and the aeration arm 15, and keeping in aeration main 14 and the aeration arm 15 be air, so that during pulse aeration arrival next time, can open valve 13 fast, and make air arrive the aperture of giving vent to anger of aeration arm 15 fast.Pending water enters the pond from water inlet pipe 21, after biologic packing material district 3 handles, flows out from rising pipe 22.
Claims (5)
1. pulse aeration and biological catalytic oxidation water treatment device, comprise the surge generator (1), valve (13), aerating system (2), biologic packing material district (3) that are provided with in pond (4) and the pond, it is characterized in that at the bottom of the pond, upwards setting gradually surge generator (1), valve (13), aerating system (2), biologic packing material district (3), be connected by valve (13) between aerating system (2) and the surge generator (1) and communicate.
2. pulse aeration and biological catalytic oxidation water treatment device according to claim 1, it is characterized in that described surge generator (1) is by straight tube (5), water seal cover (6), water seal bucket (7), collecting hood (8), interior web plate (9) and outside link plate (10) are formed, water seal bucket (7) upper end open, lower end closed is also fixing with straight tube (5), water seal cover (6) and collecting hood (8) lower ending opening, upper end closed, have at least 3 interior web plates (9) that water seal cover (6) and straight tube (5) are connected and fixed, have at least 3 outside link plates (10) that collecting hood (8) and water seal bucket (7) are connected and fixed.
3. pulse aeration and biological catalytic oxidation water treatment device according to claim 1, it is characterized in that described valve (13) is by the pipe (23) of entering, the pipe (24) of going out, ball float (25), O-ring seals (26) is formed, pipe (23) side of entering has slit (27), go out pipe (24) the lower end import and pipe (23) the upper end outlet of entering is separately fixed at the upper and lower sides of collecting hood (8) top board, the pipe (24) of going out is connected with the pipe (23) of entering, pipe (24) the upper end outlet of going out is connected with aeration main (14) and communicates, O-ring seals (26) is stained with the lower end ingress that is bonded at the pipe (24) of going out, and ball float (25) is placed in the pipe of entering.
4. pulse aeration and biological catalytic oxidation water treatment device according to claim 1, it is characterized in that described aerating system (2) is made up of aeration main (14) and aeration arm (15), aeration arm (15) is connected with aeration main (14) and communicates, the end closure of aeration main (14) and aeration arm (15), the downside of aeration arm (15) are offered row's aperture.
5. pulse aeration and biological catalytic oxidation water treatment device according to claim 1, it is characterized in that described biologic packing material district (3) is made up of biologic packing material (16), lower bracket (17) and upper bracket (18), the two ends of biologic packing material (16) are fixed on lower bracket (17) and the upper bracket (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010598102XA CN102092841B (en) | 2010-12-09 | 2010-12-09 | Pulse aeration biological contact oxidation water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010598102XA CN102092841B (en) | 2010-12-09 | 2010-12-09 | Pulse aeration biological contact oxidation water treatment device |
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| CN102092841A true CN102092841A (en) | 2011-06-15 |
| CN102092841B CN102092841B (en) | 2012-08-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515345A (en) * | 2011-11-20 | 2012-06-27 | 江南大学 | Method for reducing running energy consumption of membrane bioreactor (MBR) |
| CN102942292A (en) * | 2012-11-27 | 2013-02-27 | 扬州大学 | Flow and device for aquaculture sewage combination purifying treatment |
| CN103803699A (en) * | 2012-11-09 | 2014-05-21 | 海南立昇净水科技实业有限公司 | Batch-type aerating apparatus |
| CN104118944A (en) * | 2014-08-12 | 2014-10-29 | 石家庄市源生园环保有限公司 | Draw-water ecological base system for purifying tail water from urban sewage treatment plants |
| CN106745869A (en) * | 2017-02-28 | 2017-05-31 | 台州学院 | Pulse is hung down and flows aeration mixing arrangement |
| CN104944674B (en) * | 2014-03-27 | 2017-09-22 | 江苏清涵环保科技有限公司 | A kind of dipulse sewage disposal system |
| CN109019890A (en) * | 2018-08-02 | 2018-12-18 | 杨筠涵 | Frequency modulation compressed gas self-excited pulse generator |
| CN112777745A (en) * | 2021-01-28 | 2021-05-11 | 苏州科技大学 | Full-film biological sewage denitrification treatment device and biological sewage denitrification treatment method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515345A (en) * | 2011-11-20 | 2012-06-27 | 江南大学 | Method for reducing running energy consumption of membrane bioreactor (MBR) |
| CN103803699A (en) * | 2012-11-09 | 2014-05-21 | 海南立昇净水科技实业有限公司 | Batch-type aerating apparatus |
| CN103803699B (en) * | 2012-11-09 | 2016-03-30 | 海南立昇净水科技实业有限公司 | intermittent aeration device |
| CN102942292A (en) * | 2012-11-27 | 2013-02-27 | 扬州大学 | Flow and device for aquaculture sewage combination purifying treatment |
| CN104944674B (en) * | 2014-03-27 | 2017-09-22 | 江苏清涵环保科技有限公司 | A kind of dipulse sewage disposal system |
| CN104118944A (en) * | 2014-08-12 | 2014-10-29 | 石家庄市源生园环保有限公司 | Draw-water ecological base system for purifying tail water from urban sewage treatment plants |
| CN104118944B (en) * | 2014-08-12 | 2016-05-04 | 石家庄市源生园环保有限公司 | A kind of ecological matrix system that draws water that purifies urban wastewater treatment firm tail water |
| CN106745869A (en) * | 2017-02-28 | 2017-05-31 | 台州学院 | Pulse is hung down and flows aeration mixing arrangement |
| CN106745869B (en) * | 2017-02-28 | 2023-02-03 | 台州学院 | Pulse vertical flow aeration mixing device |
| CN109019890A (en) * | 2018-08-02 | 2018-12-18 | 杨筠涵 | Frequency modulation compressed gas self-excited pulse generator |
| CN112777745A (en) * | 2021-01-28 | 2021-05-11 | 苏州科技大学 | Full-film biological sewage denitrification treatment device and biological sewage denitrification treatment method |
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| CN102092841B (en) | 2012-08-22 |
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Application publication date: 20110615 Assignee: YANGZHOU XIANGFA COMPREHENSIVE UTILIZATION OF RESOURCE LIMITED Assignor: Yangzhou University Contract record no.: 2014320000528 Denomination of invention: Pulse aeration biological contact oxidation water treatment device Granted publication date: 20120822 License type: Exclusive License Record date: 20140624 |
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