CN201305511Y - Integrated vertical flow constructed wetland aerator - Google Patents
Integrated vertical flow constructed wetland aerator Download PDFInfo
- Publication number
- CN201305511Y CN201305511Y CNU2008201928506U CN200820192850U CN201305511Y CN 201305511 Y CN201305511 Y CN 201305511Y CN U2008201928506 U CNU2008201928506 U CN U2008201928506U CN 200820192850 U CN200820192850 U CN 200820192850U CN 201305511 Y CN201305511 Y CN 201305511Y
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- pond
- vertical current
- artificial wetland
- current artificial
- composite vertical
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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
-
- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an integrated vertical flow constructed wetland aerator which comprises an air compressor, an integrated vertical flow constructed wetland, a downflow tank and an upperflow tank. The downflow tank and the upperflow tank, with the bottoms communicated with each other, form an integrated vertical flow constructed wetland; at least three emptying pipes connected in parallel are arranged at the bottom of the integrated vertical flow constructed wetland, and through holes are arranged on the walls of the emptying pipes; perforated aeration pipes connected in parallel are distributed in the emptying pipes at the bottom of the downflow tank; one end of each perforated aeration pipe is closed and the other end is connected with an air guide pipe which is connected with the air compressor at the surface of the ground. The integrated vertical flow constructed wetland aerator is simple in structure, and by arranging the emptying pipes at the bottom of the integrated vertical flow constructed wetland and by aerating the emptying pipes at the bottom of the downflow tank intermittently under optimized aeration condition, the integrated vertical flow constructed wetland aerator creates the condition of alternate aerobic environment and anaerobic environment which are respectively necessary for nitration reaction and denitrification reaction, thus greatly improving the nitrogen removal effect.
Description
Technical field
The utility model belongs to the environmental engineering technical field of sewage, the simple efficient oxygen-increasing device that more specifically relates to a kind of composite vertical current artificial wetland, be applicable to sanitary sewage, polluted surface water, face source sewage, concentration is applicable to the sewage disposal of cold district simultaneously than the processing of high ammonia-nitrogen wastewater.
Technical background
Artificial swamp is the 20th century a kind of novel sewage treatment process that grow up of the seventies, have characteristics such as efficient height, cost is low, operational management is simple, be widely used in the processing and the lake pollution control of sanitary sewage, rural area pollution of area source, percolate.
The main path of artificial swamp denitrogenation is the nitrification and denitrification effect that relies on microorganism, and the removal amount of other removal approach such as plant absorbing, ammonia nitrogen volatilization etc. is considerably less.Nitration reaction is with NH
4 +-N is converted into NO
3 -The process of-N, it is an oxidizing reaction, needs aerobic wetland soil envrionment conditions; And anti-nitration reaction is with NO
3 --N is converted into N
2Process, it is a reduction reaction, needs anaerobic wetland soil envrionment conditions.Thereby, can create the height that the required envrionment conditions of nitrification and denitrification reaction is just directly determining wet land system denitrogenation ability.In most of artificial wetland of operation, very high to the clearance of TSS and BOD, and very low to the clearance of nitrogen, especially in the winter time, major cause is an oxygen supply deficiency in the wetland, and whole wetland inside is in that single to detest the anaerobic environment condition caused.
The oxygenation way of current artificial swamp has: the one, the perforate ventpipe is installed in wet land system, and carry out natural ventilation; The 2nd, with air compressor continuously or intermittently the tube having holes in wet land system strengthen ventilation; The 3rd, utilize the tube having holes bubbling air of wind energy in wet land system.These three kinds of oxygenation ways have following deficiency:
1, ventpipe is air gravity flow ventilation, and transfer of air efficient is not high; And the laying of multilayer ventpipe has increased the initial cost of wet land system.
2, the wind energy oxygen increasing mode is subjected to the restriction of region and weather very big, causes wet land system treatment effect instability.
3, three kinds of oxygenation ways are not all created aerobic, the envrionment conditions that anaerobism alternately changes of nitrated, the required optimum of anti-nitration reaction, cause NO in the wetland effluent
3 -The concentration of-N increases, and the clearance of nitrogen descends.
4, three kinds of oxygenation ways all are directly the perforate ventpipe to be embedded in the matrix of wet land system, and tiny grit very easily stops up the perforate of ventpipe.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, a kind of oxygen-increasing device of composite vertical current artificial wetland is provided, this system architecture is simple, utilization is provided with evacuated tube in the composite vertical current artificial wetland bottom, in the evacuated tube of bottom, downstream pond, carry out intermittent aeration with optimization oxygenation condition, create nitrated, that anti-nitration reaction is required aerobic, anaerobism and replaced the envrionment conditions that changes, improved denitrification effect greatly.
To achieve these goals, the utility model adopts following technical measures: a kind of oxygen-increasing device of composite vertical current artificial wetland, it is made up of air compressor, composite vertical current artificial wetland, downstream pond and up stream pond, it is characterized in that: the composite vertical current artificial wetland that downstream pond that is communicated with in the bottom and up stream pond are formed, bottom at composite vertical current artificial wetland is provided with at least three evacuated tube that are connected in parallel, and has through hole on the tube wall of evacuated tube; In the evacuated tube of bottom, downstream pond, arrange the boring aeration pipe that is connected in parallel respectively, the end sealing of boring aeration pipe, the other end connects airway, and airway links to each other with the air compressor on the face of land.
Constructional feature of the present utility model is that also the percentage of open area of described boring aeration pipe is 30%～50%.
Constructional feature of the present utility model is that also the aperture of the through hole on the described evacuated tube is 5～7mm, and pitch of holes is 150～200mm.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model utilization aeration in the evacuated tube of bottom, downstream pond is difficult for causing the perforate on the boring aeration pipe to stop up; And simple in structure, make easy for installation.
2, the utility model adopts optimized oxygenation condition to carry out intermittent aeration, has created nitrated, that anti-nitration reaction is required aerobic, anaerobism and has replaced the envrionment conditions that changes, and has improved the wetland denitrification effect greatly.
3, described air compressor is 0.1～0.5m than aeration speed
3/ (hm
2), start/stop time is than for 4h:20h～12h:12h the time, and the clearance of nitrogen is the highest in the sewage.
Description of drawings
Fig. 1 (A) is a kind of oxygen-increasing device structural representation of composite vertical current artificial wetland.
Fig. 1 (B) is the plan structure synoptic diagram of Fig. 1 (A).
Fig. 2 (A) is an evacuated tube plan structure synoptic diagram.
Fig. 2 (B) is the cross-sectional view of Fig. 2 (A).
Among the figure, air compressor 1, composite vertical current artificial wetland 2, downstream pond 3, up stream pond 4, airway 5, boring aeration pipe 6, evacuated tube 7, through hole 8.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Referring to Fig. 1 (A), a kind of oxygen-increasing device of composite vertical current artificial wetland, it is made up of air compressor, composite vertical current artificial wetland, downstream pond 3 and up stream pond 4, it is characterized in that: the composite vertical current artificial wetland 2 that downstream pond 3 that is communicated with in the bottom and up stream pond 4 are formed, bottom at composite vertical current artificial wetland is provided with at least three evacuated tube that are connected in parallel 7, has through hole 8 on the tube wall of evacuated tube 7; In the 3 bottom evacuated tube 7 of downstream pond, arrange the boring aeration pipe 6 that is connected in parallel respectively, the end sealing of boring aeration pipe 6, the other end connects airway 5, and airway 5 links to each other with the air compressor 1 on the face of land.Composite vertical current artificial wetland 2 of the present utility model is made up of downstream pond 3 and up stream pond 4, is provided with partition wall in the middle of downstream pond 3 and the up stream pond 4, and the bottom is communicated with.All be filled with the sand (stone grain in small, broken bits) of different-grain diameter and gravel in downstream pond 3 and the up stream pond 4 as matrix (in rubble, broken watt, gravelstone or the rubble a kind of), wherein downstream pond 3 hypothalluses are than the high 10～20cm of hypothallus in up stream pond 4.In downstream pond 3 and up stream pond 4, implant aquatic, hygrophyte such as reed, cattail, nutgrass flatsedge, rhizoma scirpi, Rush, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery, sedge a kind of or arbitrary combination (4-14) wherein.
Referring to Fig. 1 (B), boring aeration pipe 6 is connected in parallel and is formed by at least three horizontal perforated pipes 6 (a), 6 (b), 6 (c), is installed in respectively in three evacuated tube that are connected in parallel 7 (a), 7 (b), 7 (c); Boring aeration pipe 6 is made according to the waste disposal plant design requirements, holes on the PVC of appropriate length plastics tubing, and percentage of open area is 30%～50%.
Referring to Fig. 2 (A), Fig. 2 (B), evacuated tube 7 is selected the PVC plastics tubing of Φ 110mm for use, and the aperture of the through hole 8 on the evacuated tube 7 is 5～7mm, and pitch of holes is 150～200mm.
During concrete enforcement, the envrionment conditions nitrated in order to create, that anti-nitration reaction is required is aerobic, anaerobism alternately changes improves the wetland denitrification effect, air compressor 1 be 0.1～0.5m than aeration speed
3/ (hm
2), start/stop time is than being 4h:20h～12h:12h.
Working process:
Composite vertical current artificial wetland 2 adopts the mode of operation of intermittent water inflow, plug-flow water outlet, when sewage when water inlet pipe enters downstream pond 3 and flows downward, start air compressor 1, the high-pressure air of its generation upwards enters downstream pond 3 through airway 5, boring aeration pipe 6, evacuated tube 7, form convection current with sewage, thereby increased the dissolved oxygen in the sewage, made downstream pond 3 form the aerobic environment condition, promoted the carrying out (NH of nitration reaction
4 +-N is converted into NO
3 --N), when this part contains a large amount of NO
3 -The sewage of-N is pushed when flowing to up stream pond 4, owing to the generation (NO that the anaerobic environment condition has promoted anti-nitration reaction that detests in up stream pond 4
3 --N is converted into N
2); (being start/stop time closes it than for 4h:20h～12h:12h) time when reach 4h～12h the working time of air compressor 1 simultaneously, the inside of composite vertical current artificial wetland 2 recovers to detest the anaerobic environment condition gradually, has further promoted the generation (NO of anti-nitration reaction
3 --N is converted into N
2), thereby finally realized thorough removal to nitrogen.
In an embodiment of the present utility model, composite vertical current artificial wetland is by downstream pond (1m * 1m * 0.7m) and up stream pond (1m * 1m * 0.6m) form, arrange boring aeration pipe in the evacuated tube of downstream pond bottom, air compressor be 0.1～0.5m than aeration speed
3/ (hm
2), start/stop time is than being 4h:20h～12h:12h.Hydraulic load is 0.2m
3/ (m
2D), influent ammonia nitrogen, total nitrogen concentration are about 11mg/L, 49mg/L respectively, and the clearance of measurement result ammonia nitrogen, total nitrogen is about 96%, 80% respectively.
Claims (5)
1, a kind of composite vertical current artificial wetland oxygenation device, it is made up of air compressor (1), composite vertical current artificial wetland (2), downstream pond (3) and up stream pond (4), it is characterized in that: composite vertical current artificial wetland (2) is formed in the downstream pond (3) that is communicated with in the bottom and up stream pond (4), bottom at composite vertical current artificial wetland (3) is provided with at least three evacuated tube that are connected in parallel (7), has through hole (8) on the tube wall of evacuated tube (7); In the evacuated tube (7) of downstream pond (3) bottom, arrange the boring aeration pipe (6) that is connected in parallel respectively, the end sealing of boring aeration pipe (6), the other end connects airway (5), and airway (5) links to each other with the air compressor (1) on the face of land.
2, a kind of composite vertical current artificial wetland oxygenation device according to claim 1, it is characterized in that: be provided with partition wall in the middle of downstream pond (3) and up stream pond (4), all be filled with sand and gravel in downstream pond (3) and up stream pond (4), downstream pond (3) hypothallus is than the matrix floor height 10～20cm of up stream pond (4).
3, a kind of composite vertical current artificial wetland oxygenation device according to claim 1, it is characterized in that: (6) at least three horizontal boring aeration pipes of boring aeration pipe (6a, 6b, 6c) are connected in parallel, and are installed in respectively in three evacuated tube that are connected in parallel (7a, 7b, 7c); On the PVC plastics tubing, hole.
4, a kind of composite vertical current artificial wetland oxygenation device according to claim 1 is characterized in that: the aperture of the through hole (8) on the evacuated tube (7) is 5～7mm, and pitch of holes is 150～200mm.
5, a kind of composite vertical current artificial wetland oxygenation device according to claim 1 is characterized in that: implant reed, cattail, nutgrass flatsedge, rhizoma scirpi, Rush, Canna generalis Bailey, metasequoia, calamus, Scirpus tabernaemontani, arrowhead, water harmony grass, Alternanthera sessilis (L.) DC., Chinese celery, sedge a kind of or arbitrary combination wherein in downstream pond (3) and up stream pond (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201928506U CN201305511Y (en) | 2008-11-24 | 2008-11-24 | Integrated vertical flow constructed wetland aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201928506U CN201305511Y (en) | 2008-11-24 | 2008-11-24 | Integrated vertical flow constructed wetland aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305511Y true CN201305511Y (en) | 2009-09-09 |
Family
ID=41097976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201928506U Expired - Lifetime CN201305511Y (en) | 2008-11-24 | 2008-11-24 | Integrated vertical flow constructed wetland aerator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817591A (en) * | 2010-05-06 | 2010-09-01 | 河海大学 | Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect |
| CN101704585B (en) * | 2009-11-06 | 2011-07-27 | 山东大学 | Progressively reduced aeration subsurface constructed wetland |
| CN102175836A (en) * | 2011-03-07 | 2011-09-07 | 北京师范大学 | Orthogonal experimental interpolation analysis method for optimizing structure of plant retaining system |
| CN103241899A (en) * | 2013-05-06 | 2013-08-14 | 武汉昌宝环保工程有限公司 | In-situ reduction or control method of sewage discharged from sewage discharge outlet |
| CN103739084A (en) * | 2014-01-23 | 2014-04-23 | 华中科技大学 | Anti-blocking method for artificial wetland |
| CN104150703A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | A/O wetland reclaimed water recovery device and sewage treatment method |
| FR3077071A1 (en) * | 2018-01-22 | 2019-07-26 | Opure | DEVICE FOR TREATING WASTEWATER |
| CN111777278A (en) * | 2020-07-14 | 2020-10-16 | 中交 (天津) 生态环保设计研究院有限公司 | Deep purification pond chain treatment process for dredging tail water |
-
2008
- 2008-11-24 CN CNU2008201928506U patent/CN201305511Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704585B (en) * | 2009-11-06 | 2011-07-27 | 山东大学 | Progressively reduced aeration subsurface constructed wetland |
| CN101817591A (en) * | 2010-05-06 | 2010-09-01 | 河海大学 | Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect |
| CN101817591B (en) * | 2010-05-06 | 2011-08-31 | 河海大学 | Automatic water oxygen-rich composite floating bed for strengthening biological carbon and phosphorous removal effect |
| CN102175836A (en) * | 2011-03-07 | 2011-09-07 | 北京师范大学 | Orthogonal experimental interpolation analysis method for optimizing structure of plant retaining system |
| CN103241899A (en) * | 2013-05-06 | 2013-08-14 | 武汉昌宝环保工程有限公司 | In-situ reduction or control method of sewage discharged from sewage discharge outlet |
| CN103739084A (en) * | 2014-01-23 | 2014-04-23 | 华中科技大学 | Anti-blocking method for artificial wetland |
| CN104150703A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | A/O wetland reclaimed water recovery device and sewage treatment method |
| FR3077071A1 (en) * | 2018-01-22 | 2019-07-26 | Opure | DEVICE FOR TREATING WASTEWATER |
| CN111777278A (en) * | 2020-07-14 | 2020-10-16 | 中交 (天津) 生态环保设计研究院有限公司 | Deep purification pond chain treatment process for dredging tail water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20081124 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20081124 |