CN1865170A - Lake shore area structural wetland construction method - Google Patents
Lake shore area structural wetland construction method Download PDFInfo
- Publication number
- CN1865170A CN1865170A CNA200610039342XA CN200610039342A CN1865170A CN 1865170 A CN1865170 A CN 1865170A CN A200610039342X A CNA200610039342X A CN A200610039342XA CN 200610039342 A CN200610039342 A CN 200610039342A CN 1865170 A CN1865170 A CN 1865170A
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- wetland
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- 238000010276 construction Methods 0.000 title claims description 7
- 239000010865 sewage Substances 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims description 17
- 235000013311 vegetables Nutrition 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000003818 cinder Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 244000052363 Cynodon dactylon Species 0.000 description 4
- 241000234643 Festuca arundinacea Species 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006902 nitrogenation reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
This invention relates to a lakeshore constructed marshland comprising a marshland system and the supporting headrace and distribution reservoir belonging to the resource environmental engineering field.Though the cost of building and running constructed marshland is relatively high, it has higher treatment efficiency and small land needs than natural marshland. Therefore, in the developing countries which have more people and less land and face huge pressure of sewage discharging, especially in the economically fast growing delta regions in our country, it has a broad application future.
Description
One, technical field
The invention belongs to the resource-environment projects technical field, relate to a kind of local materials that utilizes and carry out the method that constitution wetland is built.
Two, background technology
Constitution wetland (constructed wetlands) or wet land treating system (treatment wetland systems), be the wet land system of that manually build, controllable and through engineering approaches, the purpose of its design and construction is to handle by the optimum combination of the physics in the wetland natural ecosystems, chemistry and biological action being carried out effluent sewage.Although the construction of constitution wetland and running cost are higher, it has higher processing efficiency and less land used needs than natural wetland; In the developing country, particularly Economic development that have a large population and a few land and face huge effluent sewage blowdown presssure area, China delta very rapidly, boundless application prospect is arranged.
The utilization constitution wetland is disposed of sewage and can be traced back to 1903, and the constitution wetland of building Britain Yorkshire in is considered to first artificial swamp that is used to dispose of sewage in the world.Nineteen fifty-three, German Max Planck institute finds that reed can remove organic and inorganic substance a large amount of in the sewage, develops the Max-Planck treatment system subsequently.Adopted the horizontal drowned flow wetland of plantation reed to make organic matter degradation by Kickuth proposition " root domain tyeory " (Root-zone Theory) in 1977, nitration denitrification is removed nitrogen, and precipitation removal phosphorus has been established the theoretical basis of constitution wetland wastewater treatment.Subsequently, the research of constitution wetland is deep into each components such as matrix, plant, microorganism, simultaneously, each interdisciplinary mixing together also provides new technology and thinking for the research of artificial swamp.
China is owing to the influence of reclaiming land from a lake, and the lakeside band with huge clean dirty ability exhausts, and presses for to rebuild and its wet land system of recovery, or makes up the more outstanding constitution wetland of clean dirty ability.
Three, summary of the invention
The objective of the invention is:
Make full use of local resources, invent a kind of lake shore area structural wetland treatment system, improve the decontamination pollution control ability of lakeside band.This constitution wetland is made of constitution wetland main body and supporting headrace, distributing flue and distribution reservoir thereof.Sewage enters the one-level distributing flue respectively via headrace and distribution reservoir, and the sewage of distributing flue is introduced into constitution wetland and handles, and then drops into the secondary distributing flue from constitution wetland, makes the sewage of handling that the quick-fried gas process of individual short period of time be arranged; SS in the degradable sewage, COD, TN and TP.
Technical scheme of the present invention is:
This constitution wetland main body vertical section is trapezoidal: the left side is high 50 centimetres, the right side is high 20 centimetres; Vertical section is divided into 5 layers, is followed successively by from lower floor to upper strata: the waste gypsum layer: particle diameter 2-3 centimetre, and 20 centimetres of left thickness, 5 centimetres of right thickness; Cinder layer: particle diameter 2-3 centimetre, 20 centimetres of left thickness, 5 centimetres of right thickness; Permeable layer of cloth: thickness＜1 centimetre; The ecological soil layer: effluent husky with agricultural land soil by mixing formation, 10 centimetres of thickness at 2: 1; Vegetable layer: form by mixing in 1: 1 by Bermuda grass and Festuca Arundinacea, intersperse flower plants such as a small amount of iris, see accompanying drawing 1.The substrate of constitution wetland is the gravel bed that thickness does not wait, and its gravel size and thickness determine because of topographical condition.
As the auxiliary facility of constitution wetland, it also comprises necessary headrace, distribution reservoir and distributing flue, sees accompanying drawing 2.
Headrace: one-level headrace, 50 centimetres of bottom width; This canal one side is only done a little cleaning works according to the lake embankment; Opposite side is built into checkdam with diameter 10-20 centimetre stone.The section of masonry dam is trapezoidal: high 80 centimetres, and 20 centimetres of the last length of sides, 180 centimetres of bottom side lengths, this canal bottom is 20 centimetres a gravel bed, gravel diameter 10-20 centimetre.Permeable cloth is laid at domatic and top on the dam, and lays 10 centimetres ecological soil, and ecological soil is by sand: soil=constitute at 2: 1.Ecological soil surface plantation Bermuda grass and Festuca Arundinacea plant, form vegetable layer.See accompanying drawing 3.The secondary headrace, 50 centimetres of width are seen accompanying drawing 2.This canal substrate is 10 centimetres a gravel bed.One side of this canal is a constitution wetland, and opposite side is a masonry dam, and the height of masonry dam is 30 centimetres, is built into by a diameter 10-20 centimetre stone.The section on dam is trapezoidal: go up 20 centimetres of the length of sides, 60 centimetres of bottom side lengths.Permeable cloth is laid at domatic and top on the dam, and lays 10 centimetres dirt attitude soil, ecological soil surface plantation Bermuda grass and Festuca Arundinacea plant, forms vegetable layer, sees accompanying drawing 4.
Distribution reservoir: between headrace and distributing flue, the bottom length of side is 50 centimetres a cylindrical body, sees accompanying drawing 2.With 30 centimetres of the one-level distributing flue place of linking height, with 40 centimetres of the secondary headrace place of linking height, with 50 centimetres of the headrace place of linking height, 80 centimetres of residue height on one side.By thickness is that 5 centimetres cement plate is built into.The outside on 80 centimetres of limits is built into trapezoidal slope with stone; The slope in echelon, 20 centimetres of tops, following 180 centimetres.Trapezoidal top and the permeable cloth of domatic laying, and lay 10 centimetres ecological soil, ecological soil surface plantation Bermuda grass and Festuca Arundinacea plant, form vegetable layer.The outer survey on other three limits is built into the slope with stone, and its section becomes isosceles triangle, and cement plate is played fixed action, sees accompanying drawing 5.
Distributing flue: the one-level distributing flue, 50 centimetres of bottom width are seen accompanying drawing 2.This canal one side is according to the Taihu Lake embankment, and the opposite side masonry dam is high 40 centimetres, and the section on dam is trapezoidal: go up 20 centimetres of the length of sides, 50 centimetres of bottom side lengths.Its outside is a constitution wetland.This canal bottom is 20 centimetres a gravel, gravel diameter 10-20 centimetre, sees accompanying drawing 6.The secondary distributing flue, 30 centimetres of width are seen accompanying drawing 2.This canal one side is the limit of constitution wetland, 20 centimetres of height; Opposite side is built into 15 centimetres permeable dike with stone, the section on dam in echelon, the bottom of this canal is 5 centimetres a small-sized gravel bed, accompanying drawing 6 is seen in gravel diameter＜5 centimetre.
Effect of the present invention is:
Sewage enters the one-level distributing flue respectively via headrace and distribution reservoir, and the sewage of distributing flue is introduced into constitution wetland and handles, and then drops into the secondary distributing flue from constitution wetland, makes the sewage of handling that the quick-fried gas process of individual short period of time be arranged.The sewage of secondary distributing flue freely enters lakeside band reed wetland, in the surface flow of reed wetland, and further degrades.After the constitution wetland processing, the clearance of the SS in the sewage, COD, TN and TP reaches 75%-95%, 25%-55%, 25-45% and 25%-50% respectively.
Four, description of drawings
Fig. 1 lake shore area structural wetland reconstruction engineering schema.1. one-level distributing flue, 2. secondary distributing flue, 3. gypsic horizon, 4. cinder layer, 5. permeable cloth, 6. ecological soil layer, 7. vegetable layer; Unit of measure: centimetre.
The horizontal distribution schema of Fig. 2 headrace, distribution reservoir and distributing flue.1. navigation channel, 2. one-level headrace, 3. distribution reservoir, 4. secondary headrace, 5. one-level distributing flue, 6. constitution wetland, 7. secondary distributing flue; Unit of measure: centimetre.
Fig. 3 one-level headrace vertical section schema.1. seawall, 2. gravel bed, 3. one-level headrace, 4. ecological soil layer, 5. vegetable layer, 6. permeable cloth, 7. gravel dam; Unit of measure: centimetre.
Fig. 4 secondary headrace vertical section schema.1. constitution wetland, 2. secondary headrace, 3. gravel bed, 4. ecological soil layer, 5. canal bank vegetable layer, 6. permeable cloth; Unit of measure: centimetre.
The vertical section schema of Fig. 5 distribution reservoir.1. one-level distributing flue, 2. cement baffle plate, 3. distribution reservoir, 4. ecological soil layer, 5. permeable cloth, 6. vegetable layer, 7. gravel dam, 8. one-level headrace, 9. secondary headrace; Unit of measure: centimetre.
The vertical section schema of Fig. 6 firsts and seconds distributing flue.1. seawall, 2. gravel bed, 3. one-level distributing flue, 4. ecological soil layer, 5. canal bank vegetable layer, 6. permeable cloth, 7. cinder layer, 8. constitution wetland vegetable layer, 9. gypsic horizon, 10. constitution wetland, secondary distributing flue, gravel dam, reed wetland functional zone; Unit of measure: centimetre.
Five, embodiment
This method is carried out at the lakeside in western part, Taihu Lake band, area 2500m
2The mode of operation of its enforcement is as follows:
The first step, is determined scheme at field trip, carries out engineering design by field condition; Implement the seed and the construction material of ecological instrument kind, tissue engineering technique personnel put in place.
In second step, infrastructure project is main.The works in progress accident of terrain is whole, and has scatteredly piled up a large amount of rubbish; Before engineering construction, need the place is cleared up; Build firsts and seconds headrace, distribution reservoir, firsts and seconds distributing flue, constitution wetland.
In the 3rd step, the biological resuming engineering is main.In firsts and seconds headrace, distribution reservoir, secondary distributing flue, constitution wetland, sowing or transplant required plant.
The 4th step, on-the-spot operation and effect monitoring.
At last, because plant has certain mortality ratio, and is subjected to the impact of lake wave, after engineering is finished, must carry out appropriate managerial and maintenance to plant instrument kind; Also must protect with ratchel by the greater impact part at constitution wetland.
Claims (2)
1. lake shore area structural wetland construction method, its feature is made of constitution wetland main body and supporting headrace, distributing flue and distribution reservoir thereof in this constitution wetland; This constitution wetland main body vertical section is trapezoidal, is divided into 5 layers, is followed successively by from lower floor to upper strata: waste gypsum layer, cinder layer, permeable layer of cloth, ecological soil layer and vegetable layer; Headrace, distributing flue and distribution reservoir all have gravel bed, permeable layer of cloth, ecological soil and vegetable layer to constitute.
2. according to the application of the described lake shore area structural wetland construction method of claim 1, it is characterized in that this method can handle the sewage from ingoing river and water body in lake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610039342XA CN100434373C (en) | 2006-04-06 | 2006-04-06 | Lake shore area structural wetland construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610039342XA CN100434373C (en) | 2006-04-06 | 2006-04-06 | Lake shore area structural wetland construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1865170A true CN1865170A (en) | 2006-11-22 |
| CN100434373C CN100434373C (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610039342XA Expired - Fee Related CN100434373C (en) | 2006-04-06 | 2006-04-06 | Lake shore area structural wetland construction method |
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| Country | Link |
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| CN (1) | CN100434373C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455525C (en) * | 2007-03-26 | 2009-01-28 | 浙江大学 | Aminonitrogen treatment system for garbage landfil leachate |
| CN101157496B (en) * | 2007-09-20 | 2010-12-29 | 中山大学 | Vertical current constitution wetland system for treating water contamination |
| CN104612102A (en) * | 2014-12-17 | 2015-05-13 | 江苏省水利科学研究院 | River channel ecological filtration system and construction method thereof |
| CN105442491A (en) * | 2015-11-12 | 2016-03-30 | 东北师范大学 | Bottom silt on-site treatment and ecological slope protection method for river/lake |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733453A (en) * | 1996-07-15 | 1998-03-31 | Azurea, Inc. | Wastewater treatment system and method |
| CN2555267Y (en) * | 2002-03-22 | 2003-06-11 | 北京世纪赛德科技有限责任公司 | Artificial nunja plants bed |
| US6740232B1 (en) * | 2002-05-01 | 2004-05-25 | Aquascape Designs, Inc. | Constructed wetlands system, treatment apparatus and method |
| CN1298934C (en) * | 2004-12-27 | 2007-02-07 | 河海大学 | Landscape type multi-stage stepwise artificial wetland protection slope forming method |
| CN1296564C (en) * | 2005-01-13 | 2007-01-24 | 上海交通大学 | Integrated system for lakefront incipient rainwater collection, diffluence and ecological purification |
-
2006
- 2006-04-06 CN CNB200610039342XA patent/CN100434373C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455525C (en) * | 2007-03-26 | 2009-01-28 | 浙江大学 | Aminonitrogen treatment system for garbage landfil leachate |
| CN101157496B (en) * | 2007-09-20 | 2010-12-29 | 中山大学 | Vertical current constitution wetland system for treating water contamination |
| CN104612102A (en) * | 2014-12-17 | 2015-05-13 | 江苏省水利科学研究院 | River channel ecological filtration system and construction method thereof |
| CN104612102B (en) * | 2014-12-17 | 2016-02-10 | 江苏省水利科学研究院 | A kind of river channel ecology filtration system and construction method thereof |
| CN105442491A (en) * | 2015-11-12 | 2016-03-30 | 东北师范大学 | Bottom silt on-site treatment and ecological slope protection method for river/lake |
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| Publication number | Publication date |
|---|---|
| CN100434373C (en) | 2008-11-19 |
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| C14 | Grant of patent or utility model | ||
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Assignee: Jiangsu Jiangda Ecological Technology Co., Ltd. Assignor: Nanjing University Contract record no.: 2011320010028 Denomination of invention: Lake shore area structural wetland construction method Granted publication date: 20081119 License type: Exclusive License Open date: 20061122 Record date: 20110329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20170406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |