CN101041535A - Highly effective dephosphorizing denitrification combined type sewage treatment equipment - Google Patents
Highly effective dephosphorizing denitrification combined type sewage treatment equipment Download PDFInfo
- Publication number
- CN101041535A CN101041535A CN 200710020150 CN200710020150A CN101041535A CN 101041535 A CN101041535 A CN 101041535A CN 200710020150 CN200710020150 CN 200710020150 CN 200710020150 A CN200710020150 A CN 200710020150A CN 101041535 A CN101041535 A CN 101041535A
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- Prior art keywords
- pond
- wall
- oval
- tank
- combined type
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- 239000010865 sewage Substances 0.000 title claims description 20
- 230000003134 recirculating effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000151 deposition Methods 0.000 abstract 3
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 241000727649 Orbales Species 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention discloses a combined type waste water to dispose device of high effective dephosphorize denitrify in water disposing technical domain, which comprises the following steps: constituting with a rectangular tank and a elliptic tank; placing elliptic tank in the rectangular tank; forming aerobic tank with inwall of rectangular tank and outwall of elliptic tank; settling two depositing tank, aerobic tank or aerobic tank and anoxybiotic tank in the elliptic tank; connecting parallel two stalk and semi-circle wall of two end of stalk as elliptic tank; laying a circular two depositing tank on one end of elliptic; sharing semi-circle wall with elliptic tank; designing elliptic tank out of two depositing tank as anaerobic tank or anaerobic tank and anoxybiotic tank; making this device possess merit of high effective dephosphorize denitrification.
Description
Technical field
The present invention relates to a kind of highly effective dephosphorizing denitrification combined type sewage treatment equipment, belong to water-treatment technology field, refer in particular to a kind of can be with the high efficiency dephosphorating denitrogenation A of process combination one such as sewage equalizing tank, hydrolytic tank, anaerobic pond, anoxic pond, Aerobic Pond, second pond, nitrification liquid backflow, mud backflow
2/ O combination process.
Background technology
Typical A
2/ O technology is made up of anaerobism, anoxic, aerobic three segment rectangle pond bodies, is called for short A
2/ O just becomes inversion A when changing anaerobism, anoxic front and back order
2/ O technology, second pond are generally circular and set up separately.Also there is oxidation ditch second pond to be arranged in the center, A to being arranged to irrigation canals and ditches shape
2/ O forms concentric garden outside second pond, disclose " a kind of employing A as Chinese patent CN03223656.5
2The waste disposal plant of/O oxidation ditch process "; be followed successively by two settling tanks, anaerobism ditch, anoxic ditch, aerobic ditch from inside to outside and form; settling tank is in oxidation ditch; though this design has been saved vacant lot between the Chi Yuchi for the Dan Zuchi body; shared wall has also saved the pipe connecting between Chi Yuchi, and whole oxidation ditch is combined into huge circle, and its weak point has: no internal reflux; remove demanding application scenario for total nitrogen, need add the nitrification liquid return-flow system; Be subjected to the restriction of second pond size, single pond processing power is little, only is fit to Sewage Plant on a small scale; Though it is little that take up an area of in single great circle pond, when two groups and above application scenario are set, the vacant lot that a plurality of huge circle (or oval) shape ponds form between round pond is more, and the waste of the land resources that has caused becomes bigger; It is this aforesaid combination of opel (Orbal) oxidation ditch that main process is also arranged, but because opel (Orbal) oxidation ditch non-anaerobic segment, phosphor-removing effect is affected, and minimum 16 hours of the design residence time of opel (Orbal) oxidation ditch process, is highly effective dephosphorizing denitrification A
2The twice of the minimum 8 hours of/O technological design residence time, the occupation of land cost is all bigger; Therefore make the popularization that is not widely used of aforementioned two kinds of combination procesies; Change greatly with the water yield owing to COD is higher containing the more occasion of trade effluent in addition, when acidication and equalizing tank must be set, circular or oval pond body and rectangle form pool body utilized inferior position just more obvious in combined aspects to the soil;
Summary of the invention
The present invention is just in order to overcome above-mentioned deficiency, a kind of have highly effective dephosphorizing denitrification and the short combined type sewage treatment equipment of dwell time of sewage are provided, main innovation is second pond and anaerobic pond or anaerobism, anoxic pond designs simultaneously in an oval pond body, circular second pond and oval pond body are shared the semicircle body of wall, the outer oval pond body of second pond then is designed to anaerobic pond or anaerobism, anoxic pond, the outer Aerobic Pond that is designed to all around of oval pond body, specifically implement like this: highly effective dephosphorizing denitrification combined type sewage treatment equipment, constitute by a rectangle form pool body and an oval pond body, it is characterized in that oval pond body is positioned at the rectangle form pool body, the zone that the external wall in described rectangle form pool body inwall and oval pond forms is made as Aerobic Pond, second pond, anaerobic pond or anaerobic pond and anoxic pond are located in the body of oval pond, oval pond body is that the semicircle body of wall by parallel two sides stalk and stalk two ends is formed by connecting, oval pond body one end is laid a circular second pond, described circular second pond and oval pond body are shared the semicircle body of wall, and the outer oval pond body of second pond is designed to anaerobic pond or anaerobic pond and anoxic pond.The semi arch wall can make and be positioned at the hydraulics that outside Aerobic Pond has the best, does not establish midfeather between the semicircle body of wall of the second pond outer wall and the oval pond body the other end in this equipment, is an anaerobic pond, and then anaerobic pond and Aerobic Pond move with the AO operating mode; If between the semicircle body of wall of the second pond and the oval pond body the other end, one midfeather is set, then two zones forming of midfeather and oval pond body inwall, second pond outer wall respectively cloth be made as anaerobic pond and anoxic pond, can change the volume and the residence time of anaerobic pond, anoxic pond during design by the position that changes midfeather, change anaerobism, anoxybiotic order can have A
2/ O, inversion A
2Two kinds of different technology running statuses of/O are to be fit to different water inlet concentration of nitrogen and phosphorus situation and clearance requirements.
Between two stalks of the oval pond of the present invention body partition wall can also be set, this dividing wall according to the requirement of equipment layout can with the second pond outer wall from, tangent or crossing; Two spaces that this dividing wall and second pond outer wall, oval pond body inwall form are used as mud recirculating zone and nitrification liquid recirculating zone, have made full use of the internal space.
The present invention because of rectangle form pool body internal layout the oval pond body that constitutes by second pond, anaerobic pond, anoxic pond, mud recirculating zone and nitrification liquid recirculating zone etc., make Aerobic Pond become the logical irrigation canals and ditches of ring how much, when aerobic zone used thruster to form circulation, aerobic part just became oxidation ditch; When Aerobic Pond circulation is designed to oxidation ditch, can the circular arc training wall be set at four jiaos of places of rectangle form pool body, to reduce Aerobic Pond circulation resistance, the local anoxic in angular region is beneficial to and realizes the synchronous nitration and denitrification function; The training wall at adjacent two jiaos of places also can fuse, training wall terminal with rectangle form pool body inwall from or crossing, two end regions of the inwall formation at four jiaos of places of training wall and rectangle form pool body then can partly or entirely be arranged to local oxygen-starved area bigger in the Aerobic Pond like this, strengthen the synchronous nitration and denitrification function, this has strengthened the effect of denitrogenation when operating in above-mentioned AO mode; After the training wall end intersected with rectangle form pool body inwall, the closed region, end that the inwalls at four jiaos of places of training wall and rectangle form pool body form then can be used to be arranged to hydrolytic tank or equalizing tank.
The present invention is because middle portion is the anaerobism oxygen-starved area, so only need whipping device is installed, the outside is an irrigation canals and ditches shape, can use present all kinds of oxygen replenishing equipment: micropore high efficient aeration, impeller table expose to the sun, change brush to be changeed.
Combined type sewage treatment equipment of the present invention has highly effective dephosphorizing denitrification and the short advantage of dwell time of sewage, the compact combination of each pond body, and floor space is few, can realize AO, A
2/ O, inversion A
2The technology operation that/O etc. are different, the internal space obtains maximum using, can be fit to different water inlet concentration of nitrogen and phosphorus situations and clearance and require to handle, and suitability is extensive.
Description of drawings
Fig. 1 is the structural representation of the invention process example 1.
Fig. 2 is the structural representation of the invention process example 2.
Fig. 3 is the structural representation of the invention process example 3.
Fig. 4 is the structural representation of the invention process example 4.
Fig. 5 is the structural representation of the invention process example 5.
Fig. 6 is the structural representation of the invention process example 6.
Fig. 7 is the structural representation of the invention process example 7.
Fig. 8 is the structural representation of the invention process example 8.
Embodiment
Claims (8)
1. highly effective dephosphorizing denitrification combined type sewage treatment equipment, constitute by a rectangle form pool body and an oval pond body, it is characterized in that oval pond body is positioned at the rectangle form pool body, the zone that the external wall in described rectangle form pool body inwall and oval pond forms is made as Aerobic Pond, second pond, anaerobic pond or anaerobic pond and anoxic pond are located in the body of oval pond, oval pond body is that the semicircle body of wall by parallel two sides stalk and stalk two ends is formed by connecting, oval pond body one end is laid a circular second pond, described circular second pond and oval pond body are shared the semicircle body of wall, and the outer oval pond body of second pond is designed to anaerobic pond or anaerobic pond and anoxic pond.
2. combined type sewage treatment equipment according to claim 1, it is characterized in that between the semicircle body of wall of the second pond and the oval pond body the other end one midfeather being set, two zones that described midfeather and oval pond body inwall, second pond outer wall form cloth respectively are made as anaerobic pond and anoxic pond.
3. combined type sewage treatment equipment according to claim 1 is characterized in that between two stalks of oval pond body partition wall being set, and described dividing wall and second pond outer wall are from tangent or crossing.
4. combined type sewage treatment equipment according to claim 2 is characterized in that between two stalks of oval pond body partition wall being set, and described dividing wall and second pond outer wall are from tangent or crossing.
5. according to claim 3 or 4 described combined type sewage treatment equipments, it is characterized in that two spatial design that dividing wall and second pond outer wall, oval pond body inwall form are mud recirculating zone and nitrification liquid recirculating zone.
6. according to claim 1,2,3, one of 4 described combined type sewage treatment equipments, it is characterized in that the Si Jiaochu of rectangle form pool body is provided with the circular arc training wall.
7. combined type sewage treatment equipment according to claim 6 is characterized in that the training walls at adjacent two jiaos of places fuse, training wall terminal with rectangle form pool body inwall from or crossing.
8. combined type sewage treatment equipment according to claim 7, after it is characterized in that training wall is terminal and intersecting with rectangle form pool body inwall, hydrolytic tank or equalizing tank are arranged in the closed region, end of the inwalls formation at four jiaos of places of training wall and rectangle form pool body.
Priority Applications (1)
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CNB2007100201509A CN100503483C (en) | 2007-02-16 | 2007-02-16 | Highly effective dephosphorizing denitrification combined type sewage treatment equipment |
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CNB2007100201509A CN100503483C (en) | 2007-02-16 | 2007-02-16 | Highly effective dephosphorizing denitrification combined type sewage treatment equipment |
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Publication Number | Publication Date |
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CN101041535A true CN101041535A (en) | 2007-09-26 |
CN100503483C CN100503483C (en) | 2009-06-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111635078A (en) * | 2020-06-18 | 2020-09-08 | 湖南惟创环境科技有限公司 | Sewage treatment system of nitrogen phosphorus content differentiation |
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US4818391A (en) * | 1983-09-28 | 1989-04-04 | Love Leonard S | Integral Clarifier |
CN2613483Y (en) * | 2003-02-19 | 2004-04-28 | 区岳州 | Sewage treatment apparatus adopting A2/O oxidation channels process |
CN201010604Y (en) * | 2007-02-16 | 2008-01-23 | 无锡市政设计研究院有限公司 | High-efficiency dephosphorizing and denitriding type sewage processing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111635078A (en) * | 2020-06-18 | 2020-09-08 | 湖南惟创环境科技有限公司 | Sewage treatment system of nitrogen phosphorus content differentiation |
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Address after: 214072 West floor, Lianchuang building, 901-2 yinxiu Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Huaxin Design Group Co.,Ltd. Country or region after: China Address before: 214005 No. 5, Yongding lane, Wuxi, Jiangsu Patentee before: WUXI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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