CN201665586U - Multistage hydraulic aeration ecological wetland slope protection device - Google Patents

Multistage hydraulic aeration ecological wetland slope protection device Download PDF

Info

Publication number
CN201665586U
CN201665586U CN2010201634656U CN201020163465U CN201665586U CN 201665586 U CN201665586 U CN 201665586U CN 2010201634656 U CN2010201634656 U CN 2010201634656U CN 201020163465 U CN201020163465 U CN 201020163465U CN 201665586 U CN201665586 U CN 201665586U
Authority
CN
China
Prior art keywords
ecological wetland
water
slope protection
tank
stage
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
Application number
CN2010201634656U
Other languages
Chinese (zh)
Inventor
侯俊
吴建成
王超
胡芬娟
王沛芳
钱进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Original Assignee
Hohai University HHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hohai University HHU filed Critical Hohai University HHU
Priority to CN2010201634656U priority Critical patent/CN201665586U/en
Application granted granted Critical
Publication of CN201665586U publication Critical patent/CN201665586U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The utility model provides a multistage hydraulic aeration ecological wetland slope protection device which includes an ecological wetland bed, a water inlet tank and a water outlet tank; one end of the ecological wetland bed is connected with the bottom part of the water inlet tank through a through hole; the other end of the ecological wetland bed is connected with the water outlet tank and an aeration tube is arranged in the water outlet tank; the water outlet tank is divided into an upper water tank and a lower water tank by a baffle; the two ends of the aeration tube are respectively arranged in the upper water tank and the lower water tank; the lower water tank is connected with the next-stage water inlet tank through a through hole; and the water outlet of the lowest-stage water outlet tank is higher than an external normal water level. The multistage hydraulic aeration ecological wetland slope protection device can be applied to slope protection construction of river channels and lakes as well as trap and purify widespread pollutions drained into the lakes; moreover, a water pump can also be used to feed the water in the lakes to a higher position and drive the water to gradually float from the first stage of the hydraulic aeration ecological wetland to next stage, thereby realizing the purification on the water quality of the lakes through the multistage treatment of the wetland. The multistage hydraulic aeration ecological wetland slope protection device has better effect on improving dissolved oxygen and denitrification, and can ease the deposition saturated problem of the wetland to a certain extent.

Description

A kind of multi-stage water power aerobic ecological wetland type slope protection device
Technical field
The utility model relates to a kind of artificial swamp ecological slope protection structure, is applied to the purification of water quality and the pollution of area source dam project in lake, river, belongs to ecological engineering technology field, lake, river.
Background technology
The bank protection form in lake, river mainly contains the natural style bank protection, hard bank protection and environmental bank protection at present.Because it is limited that the pollution substance that two kinds of fronts enter the river course for face source form is removed effect, so environmental bank protection has just become hot research in recent years, also obtained gradually promoting the use of.Ecological revetment is under the combined action of plant, packing medium and microorganism, and water pollutant is adsorbed, absorbs, decomposes and holds back, and its advantage is that treatment effect is good, and strong shock resistance has stronger N and P and removes ability.Yet the oxygen in its matrix is mainly derived from the oxygen that plant carries photosynthesis to produce to its root, so determined that also its stromatolysis oxygen level is lower.
Summary of the invention
The purpose of this utility model is to overcome the low problem of common environmental bank protection dissolved oxygen, the potential energy bleeding technique is applied in the environmental bank protection structure, develop good lake, the river ecological wetland type slope protection technology of a kind of reoxygenation effect, also can alleviate wetland alluvial saturation problem simultaneously to a certain extent.This technology can be applicable to hold back and purifies the pollution of area source that enters the lake, river, also can utilize water pump that the water in the lake, river is delivered to eminence, flows the multiple-stage treatment through the over-wet land, thereby the purification of realization river and lake water quality gradually to subordinate from the water power aerobic ecological wetland first step.
Technical solution of the present utility model is: it is characterized in that its progression of described multi-stage water power aerobic ecological wetland type slope protection device is 3 to 5 grades, every grade height is 40-50cm, and length is 1~1.5m.Every grade of water power aerobic ecological wetland type slope protection device comprises ecological wetland bed, inlet flume and effluent trough, and an end of described ecological wetland bed is connected with the inlet flume bottom by the limbers; The other end be connected with the effluent trough bottom by the limbers and effluent trough in be provided with oxygen increasing tube, oxygen increasing tube is arranged in parallel by the some pvc pipes that are syphon shape and forms, its pass is that the pipe of pvc pipe is counted n=Q/q, and wherein Q is for handling the water yield, and q is the flow of single pvc pipe siphon; Effluent trough is divided into upper and lower two-layer tank with baffle plate, and the two ends of oxygen increasing tube are located at respectively in the upper and lower two-layer tank, and lower floor's tank links to each other with the next stage inlet flume by the limbers, and next stage effluent trough is provided with water port, and water port is not less than extraneous ordinary water level.
Its further technical scheme is: it is characterized in that being divided in the ecological wetland bed two-layer packing area up and down, packing area, upper strata filling soil matrix is also planted plant thereon, the lower floor packing area is filled perviousness and is purified filler preferably, as zeolite, gravel, cobble, haydite and yellow ground, the order that reduces successively by particle diameter is successively paved and is respectively purified filler from top to bottom.
Its further technical scheme be: it is characterized in that the ecological wetland bed and the turnover tank between and between upper level effluent trough and the next stage inlet flume all the waterwall with the masonry concrete structure separate.The pipeline that catchments is set in the bottom of ecological wetland bed, and is connected with the upper strata tank of effluent trough at the same level with limbers between the effluent trough by the ecological wetland bed, the pipeline flow that catchments is greater than oxygen increasing tube drain discharge in the continuous effluent trough.
Advantage of the present utility model: (1) has utilized the effect of ecological wetland itself that pollutant in water is removed: when pending sewage is flowed through ecological wetland bed at different levels successively, soil matrix, purification filler and root system of plant are held back the suspended solid in the water, part nutritive elements such as plant also can absorbed nitrogen, phosphorus, also can grow a large amount of microorganism and form microbial film of matrix, filler and root system surface simultaneously, microbial film is can be to the degraded part organic and hold back nutritive substance by metabolism.(2) using the potential energy bleeding technique has increased intramatrical dissolved oxygen content by intermittent air reaeration, not only can also be removed by the nitrification and denitrification effect by plant absorbing by aerobic in the matrix environment and the nitrogen element that alternately makes anoxia phenomenon.(3) water inlet in the wetland and water outlet are difficult for causing the filler latch up phenomenon all in the bottom of bed, and the increase degradation of organic substances matter of dissolved oxygen also can reduce organic silting in addition.Control experiment shows, water power aerobic ecological wetland type slope protection improve aspect dissolved oxygen, the denitrogenation, the silting blocking aspect all is better than general ecological wetland structure and ecological revetment.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model
Among the figure: the 1st, individual layer ecological wetland bed, the 2nd, inlet flume, the 3rd, effluent trough, the 4th, oxygen increasing tube, the 5th, the pipeline that catchments, the 6th, soil matrix, the 7th purifies filler, the 8th, waterwall, the 9th, extraneous ordinary water level, the 10th, plant, the 11st, water port.
Embodiment
Mode below by embodiment is elaborated to technical solution of the present invention, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1
The contrast accompanying drawing, multi-stage water power aerobic ecological wetland type slope protection device comprises ecological wetland bed 1, inlet flume 2 and effluent trough 3, fill two-layer filler up and down in the ecological wetland bed 1, upper layer of soil matrix 6 is as the growth matrix of plant 10, plantation plant 10 on it, lower floor is that penetrating quality purifies filler 7 preferably, as zeolite, gravel, cobble, haydite and yellow ground, the order that reduces successively by particle diameter is successively paved and is respectively purified filler 7 from top to bottom, purify filler 7 surfaces and form microbial film, with microorganism and rotifers biology
The height of every grade of ecological wetland bed 1 is 40-50cm, and length is 1~1.5m; The multi-stage ecological wetland type slope protection device is 3 to 5 grades, and the water port of next stage effluent trough must be higher than extraneous ordinary water level during practical application.End at every grade of ecological wetland bed 1 is connected with inlet flume 2 bottoms by the limbers, water outlet in order to lower floor's tank of accepting sewage water inlet pump line or upper level effluent trough 3, the other end connects effluent trough 3, and oxygen increasing tube 4 is arranged in the effluent trough 3, the two ends of oxygen increasing tube 4 are located at respectively in the upper and lower two-layer tank, and oxygen increasing tube 4 is arranged in parallel by the some pvc pipes that are syphon shape and makes, and its pass is that the pipe of pvc pipe is counted n=Q/q, wherein Q is for handling the water yield, and q is the flow of single pvc pipe siphon; Oxygen increasing tube 4 is connected with next stage inlet flume 2 by the limbers, thereby water is flow in the inlet flume 2 of subordinate ecological wetland bed 1.Next stage effluent trough 3 is provided with water port 11, and water port 11 is not less than extraneous ordinary water level 9.
Ecological wetland bed 1 and into and out of all separating between the tank and between higher level's effluent trough 3 and the subordinate's inlet flume 2 with masonry concrete structure waterwall 8.Lay the pipeline 5 that catchments at ecological wetland bed 1 inner bottom part, and be connected with the upper strata tank of effluent trough 3 by the limbers of bottom between ecological wetland bed 1 and the effluent trough 3.
Principle of work of the present utility model: when sewage flows into or by water pump the water in the river course squeezed into the inlet flume 2 of first step ecological wetland bed 1, the ecological wetland bed 1 of flowing through successively.When sewage enters in the ecological wetland bed 1 from the limbers under the waterwall 8, sewage moves from bottom to top, and the suspended substance that wherein carries is trapped from bottom to top.Microorganism in the microbial film of purification fillers 7 such as zeolite, gravel, cobble, haydite, yellow ground, soil matrix 6 and the growth of plant 10 root system surface attachment will be decomposed the part organic matter by metabolism simultaneously, and wetland plant 10 also can pass through nutritive elements such as its root system absorption portion nitrogen, phosphorus simultaneously.Thereby water flows to effluent trough 3 by the aperture inflow header 5 at header 5 tops, and makes the water level in the effluent trough 3 also begin to rise.After effluent trough 3 water levels rise in the oxygen increasing tube 4 the siphon pipe top and surpass, just produce siphon, the sewage that blots this grade very soon enters lower floor's effluent trough, enter the inlet flume 2 of next stage then, sewage moved from top to bottom and carried the suspended matter that is trapped and flowed to the macrovoid filler by the fine porosity very unobstructedly this moment, also enter next stage, so be difficult for causing filler to stop up.
After the sewage in each grade ecological wetland bed 1 drains, siphon in the oxygen increasing tube 4 just can automatic opening, because upper level oxygen increasing tube 4 discharges water and needs certain hour, realized intermittently discharging water, air is inhaled into soil matrix 6 and purifies among the hole of filler 7, contact with moisture film in all fillers from bottom to up and carry out air reaeration to the small-particle hole along the macrobead hole, make that dissolved oxygen increases sharply in the moisture film of filling surface, thereby help the growth and breeding of aerobic microbiological, and accelerate organic degraded.
After the oxygen increasing tube 4 of upper level effluent trough 3 causes siphon again, thereby can entering the inlet flume 2 of this grade again, water enters ecological wetland bed 1, repeated above-mentioned process again, go round and begin again like this.And sewage is in the process of transmitting step by step, and not only nutritive substance is by wetland bed absorptions at different levels, and dissolved oxygen content also increases step by step, purifies thereby reach largely.

Claims (8)

1. multi-stage water power aerobic ecological wetland type slope protection device, it is characterized in that: described every grade of water power aerobic ecological wetland type slope protection device comprises ecological wetland bed (1), inlet flume (2) and effluent trough (3), and an end of described ecological wetland bed (1) is connected with inlet flume (2) bottom by the limbers; The other end be connected with effluent trough (3) bottom by the limbers and effluent trough (3) in be provided with oxygen increasing tube (4), effluent trough (3) is divided into upper and lower two-layer tank with baffle plate, the two ends of oxygen increasing tube (4) are located at respectively in the upper and lower two-layer tank, lower floor's tank links to each other with next stage inlet flume (2) by the limbers, next stage effluent trough (3) is provided with water port (11), and water port (11) is not less than extraneous ordinary water level (9).
2. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1 is characterized in that: described multi-stage water power aerobic ecological wetland type slope protection device is 3 to 5 grades.
3. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1 is characterized in that: the single-stage height of described ecological wetland bed (1) is 40~50cm, and length is 1~1.5m.
4. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1, it is characterized in that: described ecological wetland bed (1) is two-layer packing area up and down, packing area, upper strata filling soil matrix (6) is also planted plant thereon, the lower floor packing area is filled and is purified filler (7), described purification filler (7) is zeolite, gravel, cobble, haydite and yellow ground, and the order that reduces successively by particle diameter is from top to bottom successively paved.
5. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1 is characterized in that: described ecological wetland bed (1) and the turnover tank between and all use the waterwall (8) of masonry concrete structure to separate between upper level effluent trough (3) and the next stage inlet flume (2).
6. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1, it is characterized in that: the bottom at ecological wetland bed (1) is provided with the pipeline (5) that catchments, and be connected with the upper strata tank of effluent trough at the same level (3) with limbers between the effluent trough (3) by ecological wetland bed (1), the pipeline that catchments (5) flow is greater than oxygen increasing tube (4) drain discharge in the effluent trough that links to each other.
7. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 1, it is characterized in that: described oxygen increasing tube (4) is arranged in parallel by the some pvc pipes that are syphon shape and forms, its pass is that the pipe of pvc pipe is counted n=Q/q, wherein Q is for handling the water yield, and q is the flow of single pvc pipe siphon;
8. a kind of multi-stage water power aerobic ecological wetland type slope protection device according to claim 7 is characterized in that: described oxygen increasing tube (4) flow is greater than oxygen increasing tube (4) flow in the upper level effluent trough.
CN2010201634656U 2010-04-15 2010-04-15 Multistage hydraulic aeration ecological wetland slope protection device Expired - Fee Related CN201665586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201634656U CN201665586U (en) 2010-04-15 2010-04-15 Multistage hydraulic aeration ecological wetland slope protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201634656U CN201665586U (en) 2010-04-15 2010-04-15 Multistage hydraulic aeration ecological wetland slope protection device

Publications (1)

Publication Number Publication Date
CN201665586U true CN201665586U (en) 2010-12-08

Family

ID=43266543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201634656U Expired - Fee Related CN201665586U (en) 2010-04-15 2010-04-15 Multistage hydraulic aeration ecological wetland slope protection device

Country Status (1)

Country Link
CN (1) CN201665586U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824811A (en) * 2010-04-15 2010-09-08 河海大学 Multi-stage water power aerobic ecological wetland type slope protection device
CN104652385A (en) * 2015-01-27 2015-05-27 河海大学 Self-irrigating self-draining ecological type irrigated area system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824811A (en) * 2010-04-15 2010-09-08 河海大学 Multi-stage water power aerobic ecological wetland type slope protection device
CN104652385A (en) * 2015-01-27 2015-05-27 河海大学 Self-irrigating self-draining ecological type irrigated area system

Similar Documents

Publication Publication Date Title
CN101824811A (en) Multi-stage water power aerobic ecological wetland type slope protection device
CN201224693Y (en) Compound wave type stream artificial mountain wetland sewage treatment system
CN103395930A (en) Ecological slope protection type sewage land infiltration system and ecological slope protection type sewage land infiltration method
CN101955297A (en) Landscape-type composite artificial wetland treatment device for eutrophication water body and application thereof
CN104773914A (en) Collecting and treating device for rural disordered-emission sewage
CN104003574A (en) Labyrinth-type ecological purification pool suitable for drainage ditch in farmland
CN101993150B (en) Compound underflow constructed wetland system
CN102603072A (en) Rainwater resource utilization system of composite type medium and rainwater ecological purifying method of system
CN103332834B (en) Manual ecological sewage treatment system suitable for villages and towns
CN201665586U (en) Multistage hydraulic aeration ecological wetland slope protection device
CN104016546B (en) Environment-friendly artificial wetland system for purifying dredging remained water/tail water
CN201770585U (en) Landscape type composite artificial wet land treatment device for eutrophication water bodies
CN201825783U (en) Horizontal baffling composite type sewage processing system for artificial wetland
CN104098183B (en) The system of rainwash water quality is improved by optimizing view
CN101767915B (en) Method for treating land with domestic sewage at water-source forest land of mountain area
CN105236687A (en) Sewage treatment device and method for self-cleaning type micro-aeration vertical baffled wetland
CN203144245U (en) Combined artificial wetland sewage treatment system suitable for medium and small towns
CN104556532A (en) Artificial wetland purifying system
CN105217893B (en) A kind of Sloping Hearth subsurface flow constructed wetland combination system
CN105645589B (en) Deep-bed constructed wetland reactor capable of converting operation modes
CN201648120U (en) Vertical flow-horizontal underflow combined artificial wetland
CN110790388A (en) Composite vertical subsurface flow constructed wetland sewage purification system based on functional filler structure
CN202849165U (en) Multifunctional nitrogen and phosphorus removal treatment device for subsurface constructed wetland
CN204939096U (en) A kind of breathing pattern artificial wet land system for sewage disposal
CN203904158U (en) Environment-friendly artificial wetland system for purifying residual dredging water/tail water

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101208

Termination date: 20130415

C17 Cessation of patent right