CN1792883A - Automatic aeration system for underflow type artificial wet land - Google Patents
Automatic aeration system for underflow type artificial wet land Download PDFInfo
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- CN1792883A CN1792883A CNA200510095241XA CN200510095241A CN1792883A CN 1792883 A CN1792883 A CN 1792883A CN A200510095241X A CNA200510095241X A CN A200510095241XA CN 200510095241 A CN200510095241 A CN 200510095241A CN 1792883 A CN1792883 A CN 1792883A
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- type artificial
- wet land
- artificial wet
- underflow type
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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
Abstract
An automatic oxygen-enriching system for the undercurrent-type artificial wetland features that such units are sequentially arranged between the sewage inlet pipe and the water inlet of artificial wetland as water tank A, oxygen-enriching unit consisting of jet devices and water tank B, and the oxygen-enriching pipeline in artificial wetland is composed of at least two layers of horizontal pipes and the vertical tubes with top end which is extended out of the ground surface and bent by 180 deg.
Description
Technical field
The present invention relates to a kind of system that can increase oxygen in water automatically, especially can increase dissolved oxygen in the waste water automatically, improve the underflow type artificial wet land aeration system of nitric efficiency.
Background technology:
Artificial swamp is a kind of novel waste water treatment process that grows up the seventies and eighties in 20th century, and this method has the characteristics of " Senior Three is low ", i.e. high-level efficiency, low investment, low running expense, the low technology of keeping.In recent years, be successfully used to oily(waste)water, the processing of sanitary sewage, urban storm runoff, mine wastewater, plant's waste water, and the lake pollution control etc.
At present, divide according to the difference of waste water flow path mode, the type of artificial swamp waste water treatment process mainly contains 3 kinds of forms: surface current (SFW) technology, underground undercurrent (SSFW) technology, vertical-flow wetland (VFW).Because surface current wetland and natural wetland are very similar, and operation is subjected to weather effect bigger, grows the possibility of mosquitos and flies summer in addition, so generally need not in designing; The sewage of vertical-flow wetland flows to the bed of packings bottom from the wetland surface longitudinal, and the bed body is in undersaturated condition, and oxygen can transmit into people's wet land system by atmospheric diffusion and plant.The nitrated ability of vertical-flow wetland is descended current wetland above Ground, but it builds the requirement height, and easily grow mosquitos and flies summer, so use less; Waste water is in the face of land of artificial swamp current downflow in the underground undercurrent technology, high insulating effect, load height, treatment effect are subjected to climatic influences little, and sanitary condition is good, and seldom foul smelling and the phenomenon of growing mosquitos and flies adopt more also this just technology at present in the world.But the removal of nitrogen is the limiting factor of drowned flow artificial wet land usefulness always, especially in the winter time.General TN clearance is 44%, and the NH3-N clearance is 45%.
The drowned flow artificial wet land treatment system comprises the volatilization of absorption, filtration, precipitation and the ammonia of matrix to the removal effect of N, removes through nitrated, denitrification under the microbial process in absorption of plant and the wetland.Nitrated, the denitrification of microorganism play an important role in the removal of nitrogen, and its primary condition is to have a large amount of nitrification and denitrification bacteriums and suitable wetland soil envrionment conditions, need the existence and the necessary aerobic environment of nitrifying bacteria community in the nitrifying process.The main rhizosphere by plant that provides of oxygen transmits in the undercurrent type wetland, and therefore, undercurrent type wetland inside is that non-rhizosphere district often is in anaerobic state especially, thereby has limited the growth of nitrifier and the generation of nitration reaction.So, can nitration reaction carry out just directly determining the height of wet land system denitrogenation ability smoothly; Therefore, increase the dissolved oxygen in the underflow type artificial wet land, the nitration reaction of microorganism is carried out smoothly, through the denitrification of microorganism nitrogen is removed again, and then improve nitric efficiency, do not come out but still there is relevant aeration system at present.
Summary of the invention:
The present invention is for avoiding above-mentioned existing in prior technology weak point, a kind of dissolved oxygen that can increase the waste water of handling is provided, thereby improve the removal effect of underflow type artificial wet land, and need not consume the automatic aeration system for underflow type artificial wet land of any power nitrogen.
Technical scheme of the present invention is:
Constructional feature of the present invention is: from the waste water input tube to the underflow type artificial wet land water inlet according to water nature mobile drop, set gradually aerator tank I, aerator and aerator tank II, described aerator is on the pipe connecting that is connected between aerator tank II and the aerator tank II ejector to be set; The oxygenation pipeline is set in underflow type artificial wet land, the two-layer at least level pipe of described oxygen increasing tube route and connect with each layer level pipe and vertical tube that the wetland face of land is stretched out in the upper end is formed, it is curved that the vertical tube top is 180 degree, has through hole on the level pipe tube wall.
Constructional feature of the present invention also is, in the middle part series connection of described pipe connecting convergent joint and flaring joint is set, and the small end of described convergent joint and flaring joint is corresponding to be connected, and links to each other with described ejector, and straight tube top 180 degree of erectting on the ejector are curved.
Constructional feature of the present invention is that also the through hole of offering is positioned at the pipe bottom of level pipe on described level pipe, the aperture of through hole is 1～2mm, and pitch of holes is 0.5～1.0cm.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention can increase the dissolved oxygen of waste water before waste water enters underflow type artificial wet land under the situation that need not use any extra power;
2, the present invention utilizes the dissolved oxygen content in the mobile increase waste water of waste water by pre-buried perforated pipe in underflow type artificial wet land, and then improves the denitrification effect of underflow type artificial wet land
3, the present invention is simple in structure, makes easy for installation.
Description of drawings
Fig. 1 is a sewage treatment technology process synoptic diagram of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 (A) is aerator tank of the present invention and aerator master TV structure synoptic diagram.
Fig. 3 (B) is the vertical view of Fig. 3 (A).
Fig. 4 (A) is oxygen increasing tube line structure synoptic diagram in the underflow type artificial wet land of the present invention.
Fig. 4 (B) is the plan structure synoptic diagram of Fig. 4 (A).
Fig. 5 (A) is the side-looking structural representation of Fig. 4 (A).
Fig. 5 (B) increases level pipe cross-sectional configuration synoptic diagram in the air pipe for the present invention.
Number in the figure: 1 aerator tank I, 2 aerators, 3 aerator tank II, 4 underflow type artificial wet lands, 5 waste water input tubes, 6 artificial swamp water inlets, 7 pipe connectings, 8 ejectors, 9 level pipes, 10 vertical tubes, 11 through holes, 12, convergent joint, 13 flaring joints, 14 straight tubes of erectting.
Embodiment:
The present invention is further illustrated below in conjunction with drawings and Examples.
Referring to Fig. 1, Fig. 2, present embodiment from waste water input tube 5 to underflow type artificial wet land water inlet 6 according to water nature mobile drop, set gradually I aerator tank 1, aerator 2 and II aerator tank 3.Wherein, the inlet of I aerator tank 1 communicates with waste water input tube 5, and the outlet of II aerator tank 3 communicates with underflow type artificial wet land water inlet 6; In artificial wet 4 ground, the oxygenation pipeline is set.
Referring to Fig. 3 (A), Fig. 3 (B), in the present embodiment, aerator 2 is on the pipe connecting 7 that is connected between I aerator tank 1 and the II aerator tank 3 ejector 8 to be set.In concrete the enforcement, series connection is provided with convergent joint 12 and flaring joint 13 at pipe connecting 7 middle parts, and the small end of convergent joint 12 and flaring joint 13 is corresponding to be connected, and links to each other with ejector 8.
The structure formation of ejector 8 is shown in Fig. 2 and Fig. 3 (A) in the present embodiment, it has one section intervalve that links to each other with the small end of convergent joint 12, flaring joint 13 respectively, become the obtuse angle with water (flow) direction and be connected the inclined tube at intervalve middle part, and the straight tube 14 of the setting that links to each other with inclined tube, wherein, it is curved that the top of the straight tube of erectting 14 is 180 degree, and ejector 8 can directly be buied from market.
Theoretically, flow naturally for making water, and obtain oxygenation effect preferably, the drop between each tank should be the bigger the better, but considers other factors in the reality, and drop is better between 0.5-1.0 rice.Specifically be provided with can for: the water level of I aerator tank 1 exceeds the water level 0.5-1.0 rice of II aerator tank 3; The water level of the water table ratio underflow type artificial wet land 4 of II aerator tank 3 exceeds about 20cm; The height of water in the underflow type artificial wet land 4 is determined according to concrete wetland size.
Referring to Fig. 4 (A), Fig. 4 (B) and Fig. 5 (A), the two-layer at least level pipe 9 of oxygen increasing tube route in the underflow type artificial wet land 4 and connect with each layer level pipe 9 and vertical tube 10 that the face of land of people's formula wetland 4 is stretched out in the upper end is formed, it is curved that the top of vertical tube 10 is 180 degree, has through hole 11 on level pipe 9 tube walls.
Referring to Fig. 5 (A), Fig. 5 (B), in concrete the enforcement, stop up for fear of in the oxygenation pipeline, forming, be opened in the pipe bottom that through hole 11 on the level pipe 9 should be positioned at level pipe 9, the aperture of through hole 11 is 1～2mm, pitch of holes is 0.5～1.0cm.
Working process:
Waste water enters I aerator tank 1 through collecting by waste water input tube 5, when waste water reaches certain depth in I aerator tank 1, waste water is when flowing through pipe connecting 7, the convergent joint 12 of at first flowing through, enter the intervalve of ejector 8, waste water this moment flow velocity in the intervalve of ejector 8 is accelerated, and sucks air in certain amount by the straight tube of erectting 14 because of the special construction of ejector 8; After passing through flaring joint 13 again, the waste water flow velocity slows down relatively, and air is mixed preferably with waste water, thereby has increased the dissolved oxygen in the waste water.
Underflow type artificial wet land adopts the mode of operation of continuous feeding and intermittent water outlet, effusive waste water enters underflow type artificial wet land 4 from II aerator tank 3, nitrated, the denitrification of microorganism are removed nitrogen in absorption of the volatilization of absorption, filtration, precipitation and the ammonia of dependence matrix, plant and the underflow type artificial wet land in underflow type artificial wet land 4, but mainly are nitrated, the denitrification of microorganism.Because the automatic aeration of waste water before entering underflow type artificial wet land, the dissolved oxygen content in the waste water increases, and the nitration reaction of microorganism is able to pass through the denitrification of microorganism again carrying out in the environment preferably, realizes the removal to nitrogen.Because waste water flows underground in the underflow type artificial wet land, the effect of atmospheric tax oxygen not clearly, and the oxygenation pipeline of laying in artificial swamp can make the water in the level pipe 9 contact with atmosphere, strengthens the effect of atmospheric tax oxygen.When waste water flows out underflow type artificial wet land, the waste water that part dissolved oxygen content in the oxygenation pipeline is higher sucks underflow type artificial wet land, the higher waste water of this part oxygen level helps the nitrification of microorganism, passes through the denitrification of microorganism again, realizes the removal to nitrogen.
Claims (3)
1, automatic aeration system for underflow type artificial wet land, it is characterized in that from waste water input tube (5) to underflow type artificial wet land water inlet (6) according to water nature mobile drop, set gradually aerator tank I (1), aerator (2) and aerator tank II (3), described aerator (2) is on the pipe connecting (7) that is connected between aerator tank II (1) and the aerator tank II (3) ejector (8) to be set; In underflow type artificial wet land (4), the oxygenation pipeline is set, the two-layer at least level pipe of described oxygen increasing tube route (9) and connect with each layer level pipe (9) and vertical tube (10) that the wetland face of land is stretched out in the upper end is formed, it is curved that the top of described vertical tube (10) is 180 degree, has through hole (11) on the tube wall of level pipe (9).
2, automatic aeration system for underflow type artificial wet land according to claim 1, it is characterized in that convergent joint (12) and flaring joint (13) being set in the series connection of the middle part of described pipe connecting (7), the small end of described convergent joint (12) and flaring joint (13) is corresponding to be connected, and link to each other with described ejector (8), it is curved that ejector (8) is gone up straight tube (14) top 180 degree of erectting.
3, automatic aeration system for underflow type artificial wet land according to claim 1 is characterized in that the through hole of offering on the described level pipe (9) (11) is positioned at the pipe bottom of level pipe (9), and the aperture of through hole (11) is 1～2mm, and pitch of holes is 0.5～1.0cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510095241XA CN100366550C (en) | 2005-11-01 | 2005-11-01 | Automatic aeration system for underflow type artificial wet land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510095241XA CN100366550C (en) | 2005-11-01 | 2005-11-01 | Automatic aeration system for underflow type artificial wet land |
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| Publication Number | Publication Date |
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| CN1792883A true CN1792883A (en) | 2006-06-28 |
| CN100366550C CN100366550C (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200510095241XA Expired - Fee Related CN100366550C (en) | 2005-11-01 | 2005-11-01 | Automatic aeration system for underflow type artificial wet land |
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| CN (1) | CN100366550C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453476C (en) * | 2006-09-21 | 2009-01-21 | 河南亚神环保科技有限公司 | Method for purifying sewage in artificial wet land by northern vertical subcurrent method |
| CN103663710A (en) * | 2013-12-12 | 2014-03-26 | 南京大学 | Vertical-flow self-aeration annular artificial wetland system |
| CN103708623A (en) * | 2014-01-03 | 2014-04-09 | 东华大学 | Vertical flow artificial wetland aerobic denitrification system for intermittent operation |
| CN104045157A (en) * | 2014-06-24 | 2014-09-17 | 辽宁工程技术大学 | Permeable reactive barrier system for treating garbage leachate |
| CN110642481A (en) * | 2019-11-04 | 2020-01-03 | 重庆交通大学 | Domestic sewage integrated treatment system suitable for villages and treatment method thereof |
| CN110668655A (en) * | 2019-11-04 | 2020-01-10 | 重庆交通大学 | Sewage treatment feeding solid-liquid separation unit and treatment device thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437786A (en) * | 1994-02-14 | 1995-08-01 | Stormtreat Systems, Inc. | Stormwater treatment system/apparatus |
| WO1998058881A1 (en) * | 1997-06-23 | 1998-12-30 | Wallace Scott D | Method and apparatus for biological treatment of waste water |
| CN1163427C (en) * | 2000-07-11 | 2004-08-25 | 中国科学院水生生物研究所 | Sewage treatment method and equipment thereof |
| US6896805B2 (en) * | 2003-10-20 | 2005-05-24 | Dharma Living Systems, Inc. | Tidal vertical flow wastewater treatment system and method |
| CN1587107A (en) * | 2004-09-09 | 2005-03-02 | 同济大学 | Horizontal undercurrent artificial wet land sewage treating process of variable grain size combined filler |
| CN2841647Y (en) * | 2005-11-01 | 2006-11-29 | 南京大学 | Submerged artificial wet land auto-oxygenation system |
-
2005
- 2005-11-01 CN CNB200510095241XA patent/CN100366550C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453476C (en) * | 2006-09-21 | 2009-01-21 | 河南亚神环保科技有限公司 | Method for purifying sewage in artificial wet land by northern vertical subcurrent method |
| CN103663710A (en) * | 2013-12-12 | 2014-03-26 | 南京大学 | Vertical-flow self-aeration annular artificial wetland system |
| CN103708623A (en) * | 2014-01-03 | 2014-04-09 | 东华大学 | Vertical flow artificial wetland aerobic denitrification system for intermittent operation |
| CN103708623B (en) * | 2014-01-03 | 2015-05-13 | 东华大学 | Vertical flow artificial wetland aerobic denitrification system for intermittent operation |
| CN104045157A (en) * | 2014-06-24 | 2014-09-17 | 辽宁工程技术大学 | Permeable reactive barrier system for treating garbage leachate |
| CN104045157B (en) * | 2014-06-24 | 2016-02-10 | 辽宁工程技术大学 | A kind of permeability response wall system for the treatment of refuse percolate |
| CN110642481A (en) * | 2019-11-04 | 2020-01-03 | 重庆交通大学 | Domestic sewage integrated treatment system suitable for villages and treatment method thereof |
| CN110668655A (en) * | 2019-11-04 | 2020-01-10 | 重庆交通大学 | Sewage treatment feeding solid-liquid separation unit and treatment device thereof |
| CN110668655B (en) * | 2019-11-04 | 2021-09-14 | 重庆交通大学 | Sewage treatment feeding solid-liquid separation unit and treatment device thereof |
| CN110642481B (en) * | 2019-11-04 | 2022-04-19 | 重庆交通大学 | Domestic sewage integrated treatment system suitable for villages and treatment method thereof |
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| CN100366550C (en) | 2008-02-06 |
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Assignee: Anhui Huizetong Environmental Technology Co., Ltd. Assignor: Nanjing University Contract record no.: 2011340000229 Denomination of invention: Automatic aeration system for underflow type artificial wet land Granted publication date: 20080206 License type: Exclusive License Open date: 20060628 Record date: 20110801 |
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Granted publication date: 20080206 Termination date: 20141101 |
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