CN203545784U - Combined type oxidation ditch with external sedimentation basin - Google Patents
Combined type oxidation ditch with external sedimentation basin Download PDFInfo
- Publication number
- CN203545784U CN203545784U CN201320677055.7U CN201320677055U CN203545784U CN 203545784 U CN203545784 U CN 203545784U CN 201320677055 U CN201320677055 U CN 201320677055U CN 203545784 U CN203545784 U CN 203545784U
- Authority
- CN
- China
- Prior art keywords
- oxidation ditch
- settling tank
- pond
- sedimentation basin
- water
- 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
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 46
- 230000003647 oxidation Effects 0.000 title claims abstract description 44
- 238000004062 sedimentation Methods 0.000 title abstract 9
- 238000005273 aeration Methods 0.000 claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010992 reflux Methods 0.000 claims description 13
- 238000001556 precipitation Methods 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
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- 230000002708 enhancing Effects 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound 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[P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 238000006213 oxygenation reaction Methods 0.000 description 4
- 230000037250 Clearance Effects 0.000 description 3
- 230000035512 clearance Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001376 precipitating Effects 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Abstract
The utility model discloses a combined type oxidation ditch with an external sedimentation basin. The combined type oxidation ditch mainly consists of a biological selection tank, an anaerobic tank, an anoxic tank, an oxidation ditch and a sedimentation basin connected in sequence; the water inlet end of the sedimentation basin is connected with an aeration enhancing area of the oxidation ditch by a sedimentation water inlet valve; a water return gate is arranged between a water outlet end of the sedimentation basin and a sedimentation water outlet area of the oxidation ditch. In the combined type oxidation ditch disclosed by the utility model, the biological selection tank, the anaerobic tank and the anoxic tank are integrally built and combined with the oxidation ditch and the sedimentation basin; the anaerobic tank is provided with biological stuffings; the oxidation ditch is provided with function divisions used for aeration, thus the quantity of oxygen in water is quickly increased, simultaneously sludge sedimentation at the bottom of the basin is prevented, and sludge backflow is adopted to increase nitrogen and phosphorus removal rate.
Description
Technical field
The utility model relates to a kind of Saprobia treatment pond, especially relates to a kind of built-up type oxidation ditch with external settling tank.
Background technology
In sewage disposal in aerobe processing unit, pre-treatment anaerobism and anoxic stage and precipitate phase complete in different structures, need to be to sewage oxygen supply, will be by plug-flow sewage, prevent that sludge settling is in pond, normally in sewage, blast air, as in oxidation ditch process, existing widely used equipment is turnplate aerator etc., turnplate aerator during by rotation blade splash spray, reach to oxygenation object in water.Its Shortcomings part is: the degree of depth in pond is affected, and oxygenation is slower, is generally less than 3.5 meters, bottom oxygenation deficiency, easy precipitating sludge at the bottom of pond; Need deceleration device, complex structure, is difficult for maintenance, and mechanical energy consumption is higher.
Utility model content
The purpose of this utility model is to provide a kind of built-up type oxidation ditch with external settling tank, bioselection pond, anaerobic pond and anoxic pond and oxidation ditch and settling tank are built jointly and be combined into one, anaerobic pond is provided with biologic packing material, oxidation ditch is provided with function division, adopt function division aeration, be fast oxygenation in water, and effectively prevent precipitating sludge at the bottom of pond simultaneously, adopt the clearance of sludge reflux raising denitrogenation dephosphorizing.
The purpose of this utility model is achieved through the following technical solutions: a kind of built-up type oxidation ditch with external settling tank, is mainly comprised of the bioselection pond, anaerobic pond, anoxic pond, oxidation ditch and the settling tank that connect successively; The feed-water end of described settling tank is strengthened district by precipitation inlet valve with the aeration of oxidation ditch and is connected, and between the water side of settling tank and the deposit exhalant region of oxidation ditch, is provided with backwater gate.
The gallery that described oxidation ditch is strengthened district and deposit exhalant region by mixing zone, intermediate transition zone, aeration forms, and the gallery of mixing zone and intermediate transition zone is provided with plugflow aeration machine.
Further, a side of described settling tank connects sludge reflux pump, and sludge reflux pump is connected with anoxic pond by pipeline.
In sum, the beneficial effects of the utility model are: a kind of built-up type oxidation ditch with external settling tank is by bioselection pond, anaerobic pond and anoxic pond and oxidation ditch and settling tank are built jointly and are combined into one, anaerobic pond is provided with biologic packing material, oxidation ditch is provided with function division, oxidation ditch is by mixing zone, intermediate transition zone, the gallery that aeration is strengthened district and deposit exhalant region forms, plugflow aeration machine effectively prevents precipitating sludge at the bottom of pond, sludge reflux pump by oxidation ditch deposit exhalant region sludge reflux to anaerobic pond and anoxic pond, adopt sludge reflux to improve the clearance of denitrogenation dephosphorizing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1.
Mark and corresponding component title in accompanying drawing: 1-water inlet pipe; 2-bioselection pond; 3-diving mixer; 4-anaerobic pond; 5-biologic packing material; 6-anoxic pond; 7-anoxic pond evacuated tube; 8-rising pipe; 9-backwater gate; 10-sludge reflux pump; 11-oxidation ditch; 12-plugflow aeration machine; 13-precipitation inlet valve; 14-oxidation ditch evacuated tube; 15-biological culture pipe; 16-distribution valve; 17-settling tank; 18-training wall; 19-mixing zone; 20-intermediate transition zone; 21-aeration is strengthened district; 22-deposit exhalant region; 23-capping.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
Embodiment: a kind of built-up type oxidation ditch with external settling tank as shown in Figure 1 and Figure 2, is mainly comprised of the bioselection pond 2 connecting successively, anaerobic pond 4, anoxic pond 6, oxidation ditch 11 and settling tank 17; The feed-water end of described settling tank 17 is strengthened district 21 by precipitation inlet valve 13 with the aeration of oxidation ditch 11 and is connected, and between the water side of settling tank 17 and the deposit exhalant region 22 of oxidation ditch 11, is provided with backwater gate 9.
The gallery that described oxidation ditch 11 is strengthened district 21 and deposit exhalant region 22 by mixing zone 19, intermediate transition zone 20, aeration forms, and the gallery of mixing zone 19 and intermediate transition zone 20 is provided with plugflow aeration machine 12.
Further, a side of described settling tank 17 connects sludge reflux pump 10, and sludge reflux pump 10 is connected with anoxic pond 6 by pipeline.
During the utility model operation work: treatment sewage enters in bioselection pond 2 from water inlet pipe 1, diving mixer 3 stirs and prevents settlement of sewage, then sewage enters respectively anaerobic pond 4 and anoxic pond 6, the Chi Ding of anaerobic pond 4 is provided with capping 23, and biologic packing material 5 is installed in the pond of anaerobic pond 4, biologic packing material 5 has been strengthened anaerobe group, improve anaerobism effect, the two ends of anoxic pond 6 are provided with training wall 18, in anoxic pond 6, being provided with submersible water impeller makes sewage in pond form circulation, after staying for some time, sewage enters in oxidation ditch 11, oxidation ditch 11 is by mixing zone 19, intermediate transition zone 20, the gallery that aeration is strengthened district 21 and deposit exhalant region 22 forms, the Chi Ding of oxidation ditch 11 is provided with erecting stage, and plugflow aeration machine 12 is installed on erecting stage, and the plug-flow direction of plugflow aeration machine 12 is identical with water (flow) direction, the interior drainage flow of oxidation ditch 11 is got up, the gallery of mixing zone 19 and intermediate transition zone 20 is provided with plugflow aeration machine 12, the plug-flow effect of plugflow aeration machine 12 prevents that sludge settling is at the bottom of pond.The feed-water end of settling tank 17 is strengthened district 21 by precipitation inlet valve 13 with the aeration of oxidation ditch 11 and is connected, between the deposit exhalant region 22 of the water side of settling tank 17 and oxidation ditch 11, be provided with backwater gate 9, a part of sewage of oxidation ditch 11 precipitates to settling tank 17 by precipitation inlet valve 13, distribute valve 16 to distribute sewage to settling tank, after processing, sewage is discharged from rising pipe 8 after precipitation, sludge reflux pump 10 in anaerobic pond 4 and anoxic pond 6, improves denitrogenation dephosphorizing clearance by the sludge reflux of settling tank 17.
Take aforesaid way, just can realize preferably the utility model.
Claims (3)
1. a built-up type oxidation ditch with external settling tank, is characterized in that: mainly the bioselection pond (2) connecting successively, anaerobic pond (4), anoxic pond (6), oxidation ditch (11) and settling tank (17), consist of; The feed-water end of described settling tank (17) is strengthened district (21) by precipitation inlet valve (13) with the aeration of oxidation ditch (11) and is connected, and between the water side of settling tank (17) and the deposit exhalant region (22) of oxidation ditch (11), is provided with backwater gate (9).
2. a kind of built-up type oxidation ditch with external settling tank according to claim 1, it is characterized in that: the gallery that described oxidation ditch (11) is strengthened district (21) and deposit exhalant region (22) by mixing zone (19), intermediate transition zone (20), aeration forms, and the gallery of mixing zone (19) and intermediate transition zone (20) is provided with plugflow aeration machine (12).
3. a kind of built-up type oxidation ditch with external settling tank according to claim 1, is characterized in that: a side of described settling tank (17) connects sludge reflux pump (10), and sludge reflux pump (10) is connected with anoxic pond (6) by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320677055.7U CN203545784U (en) | 2013-10-31 | 2013-10-31 | Combined type oxidation ditch with external sedimentation basin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320677055.7U CN203545784U (en) | 2013-10-31 | 2013-10-31 | Combined type oxidation ditch with external sedimentation basin |
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| CN203545784U true CN203545784U (en) | 2014-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110467A (en) * | 2015-08-27 | 2015-12-02 | 上海市政工程设计研究总院（集团）有限公司 | Nitrogen and phosphorus removal integrated biological reaction tank operating in multiple modes |
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2013
- 2013-10-31 CN CN201320677055.7U patent/CN203545784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110467A (en) * | 2015-08-27 | 2015-12-02 | 上海市政工程设计研究总院（集团）有限公司 | Nitrogen and phosphorus removal integrated biological reaction tank operating in multiple modes |
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Granted publication date: 20140416 Termination date: 20151031 |