CN109912040A - The ecology pond systems of preventing and controlling agricultural area source pollution - Google Patents
The ecology pond systems of preventing and controlling agricultural area source pollution Download PDFInfo
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- CN109912040A CN109912040A CN201910333637.5A CN201910333637A CN109912040A CN 109912040 A CN109912040 A CN 109912040A CN 201910333637 A CN201910333637 A CN 201910333637A CN 109912040 A CN109912040 A CN 109912040A
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- 238000005086 pumping Methods 0.000 claims abstract description 49
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 11
- 231100000719 pollutant Toxicity 0.000 claims abstract description 11
- 238000003973 irrigation Methods 0.000 claims abstract description 8
- 230000002262 irrigation Effects 0.000 claims abstract description 8
- 241000196324 Embryophyta Species 0.000 claims description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 230000008676 import Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 239000011178 precast concrete Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 244000052363 Cynodon dactylon Species 0.000 claims description 4
- 241000234643 Festuca arundinacea Species 0.000 claims description 4
- 241001502129 Mullus Species 0.000 claims description 4
- 240000008881 Oenanthe javanica Species 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 241000746966 Zizania Species 0.000 claims description 4
- 235000002636 Zizania aquatica Nutrition 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 241000252230 Ctenopharyngodon idella Species 0.000 claims description 3
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims description 3
- 241000237536 Mytilus edulis Species 0.000 claims description 3
- 235000000365 Oenanthe javanica Nutrition 0.000 claims description 3
- 235000013559 Schnittsellerie Nutrition 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 claims description 3
- 235000020638 mussel Nutrition 0.000 claims description 3
- 240000001398 Typha domingensis Species 0.000 claims 2
- 239000003599 detergent Substances 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 241000233948 Typha Species 0.000 description 5
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
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Abstract
The invention discloses a kind of the ecology pond systems of preventing and controlling agricultural area source pollution, including ecological canal, overflow weir, ecological pond, connection canal and the row's of filling pumping plant, ecological canal is arranged between farmland, overflow weir is arranged in ecological canal downstream, ecological pond is set to the two sides of ecological canal, ecological pond upstream is connected with ecological canal using the first connection canal, second connect canal the Forebay of Pumping Station of ecological pond and the row's of filling pumping plant is connected, the downstream or rear end that pumping plant is located at ecological pond are arranged in filling.Present invention utilizes rural situation irrigation canals and ditches, swag and pumping plants, do not increase occupied area newly, can effectively promote the interception detergent power of pollutant in the case of flood season and non-flood period.
Description
Technical field
The present invention relates to ecological reestablishments, and in particular to a kind of the ecology pond systems of preventing and controlling agricultural area source pollution.
Background technique
In the vast rural areas, agricultural non-point source pollution is the important sources of water environment pollution, and agriculture fills tail water, life in the countryside dirt
Water and distributing livestock breeding wastewater is unprocessed is directly discharged into rural area irrigation ditches row, or receiving is imported by rainwash process
River, lake and reservoir water body cause water body organic contamination, eutrophication etc. to pollute.In China cities and towns, Point source treating is increasingly comprehensive, agricultural
Pollution of area source becomes river water environmental and deteriorates principal element, and filling row's pumping plant of rural area river two sides distribution also becomes farmland face source
Pollutant enters the primary discharge mouth in river, and to the row's of filling pumping plant, these enter river discharge outlet and there is no effective control measures at present.
Control of Agricultural Non-point Source Pollution common measures taken has front damming technology, ecological pond technology, Artificial Wetland Techniques etc..This kind of skill
Ecological reconstruction of the art multi-pass excessively to existing pool pond and function intensified, or ecological engineering is additionally built, utilize physics, chemistry and life
The synergy of object is mainly that nitrogen phosphorus carries out strengthened purification and advanced treating to pollutant, realizes that growing area nitrogen and phosphorus pollutants are maximum
Change removal.The above technology is suitable for non-flood period, the lesser situation of rainfall more, can be obtained in the case of water is stable compared with
Good treatment effect, but for flood season in rainy season in the case of, often will appear that water is excessive, the processing time is insufficient, system is destroyed by rush of water
The problems such as, treatment effect is unstable in practical application；Even if passing through existing drainage ditch by above-mentioned measure treated water body
When road and pumping plant discharge, and the secondary pollutant for having imported periphery, cause to occur the engineerings water outlet water quality such as front damming, wetland compared with
It is good, but the row's of filling pumping plant enters the poor situation of water quality at river mouth, agricultural area source fails to obtain effectively resistance control.
Summary of the invention
The technical problem to be solved by the present invention is to, overcome defect of the existing technology, provide one kind can utilize it is existing
The preposition the ecology pond systems of pumping plant are arranged in the filling of the existing swag in drainage pumping stations and rural area, preventing and controlling agricultural area source pollution.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of life of preventing and controlling agricultural area source pollution
State pool system, including ecological canal, overflow weir, ecological pond, connection canal and the row's of filling pumping plant, ecological canal are arranged between farmland,
Overflow weir is arranged in ecological canal downstream, and ecological pond is set to the two sides of ecological canal, will be on ecological pond using the first connection canal
Trip be connected with ecological canal, second connect canal by ecological pond and fill row pumping plant Forebay of Pumping Station be connected, filling arrange pumping plant be located at
The downstream or rear end of ecological pond.
The ecological pond is that status swag is transformed, kind of the full first kind water plant in ecological pond, is put in ecological pond
Class of breeding fish and benthon, first kind water plant be in emergent aquactic plant and water plant with water quality purification function at least
It is a kind of.
Ecological pond bottom structure from bottom to top are as follows: rammed earth layer, clay lenses, gravel layer, gravel diameter 70-
Second level tableland is arranged under ordinary water level, plants first kind water plant on second level tableland by 100mm.
The ecological pond Slope ratio is greater than 1:3；Pool water outlet enters filling row's pumping plant by the second connection channel and is discharged into river.
The emergent aquactic plant is reed, cattail, wild rice stem or arrowhead；Fish are at least one of grass carp or silver carp；It dwells at bottom
Biology is at least one of spiral shell or freshwater mussel.
The ecological canal is the transformation of status farm field irrigation drainage channel, and upstream or two sides are farmland, and setting is overflow in the ditch of downstream
Flow weir；Ecological canal two sides furrow bank uses hollow hexagonal precast concrete block slope protection, and prefabricated section is carried out using " S " the type mode of interlocking
Arrangement, the reserved hexagon in centre is hollow, transplants the second class water plant, is laid with gravel in bottom of trench, and transplant the aquatic plant of the second class
Object, the second class water plant are at least two alternately plantations in mullet grass, Chinese celery or cattail.
The overflow weir is stone masonry structure, and ecological canal is arranged in close to the position of ecological pond import in 0.5~1.5m of height
It sets, is all made of dumped rocks protecting foundation within the scope of overflow weir upstream and downstream 5m, after agricultural drain interception importing ecological pond is handled, then by
The pumping plant discharge of the row of filling, reduces the pollutant concentration that river is discharged into from pumping plant.
The first connection canal and the second connection canal are soil structure, and the first connection canal is arranged in against overflow weir upstream,
It is in intersect connection with ecological canal；First connection canal and the second connection canal slope ratio are greater than 1:3, and side slope transplants the of the humidogene of resistance to water logging
Three classes water plant, third class water plant are Bermuda grass, Festuca Arundinacea or Radix Ophiopogonis.
The beneficial effects of the present invention are: compared with prior art, present invention utilizes rural situation irrigation canals and ditches, swag and pumps
It stands, is transformed, do not increase occupied area newly, can effectively promote the interception purification of pollutant in the case of flood season and non-flood period
Ability.Ecological pond can become with the Forebay of Pumping Station for storing stagnant detergent power when flood season (rainy season), expand Forebay of Pumping Station scale,
The residence time for having delayed rainy season a large amount of waters enhances the detergent power of system；Non-flood period (dry season) can be complete by agricultural drain
Face intercepts purification, using pumping plant recharge in farmland, reduces water body outlet.Thus before agricultural drain enters river, building one is complete
Whole resistance control pollution of area source system, saves facility investment expense, application easy to spread.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the ecology pond systems of preventing and controlling agricultural area source pollution of the present invention.
Fig. 2 is the preposition ecological pond structure chart of pumping plant of the ecology pond systems of preventing and controlling agricultural area source pollution of the present invention.
Fig. 3 is the ecological canal structure chart of the ecology pond systems of preventing and controlling agricultural area source pollution of the present invention
Fig. 4 is the overflow weir structure figure of the ecology pond systems of preventing and controlling agricultural area source pollution of the present invention.
Fig. 5 is the connection canal structure chart of the ecology pond systems of preventing and controlling agricultural area source pollution of the present invention.
In figure: 1- ecological canal, 2- overflow weir, 3- ecological pond, the connection of 4- first canal, the connection of 24- second canal, 5- fill row's pump
Stand, 6- first kind water plant, the second class of 16- water plant, 26- third class water plant, 7- rammed earth layer, 8- clay it is anti-
Infiltration layer, 9- gravel layer, second level tableland, the hollow hexagonal precast concrete block slope protection of 11- ecological canal, 12- overflow in 10- ecological pond
River, the farmland 14- outside weir dumped rocks protecting foundation, 13-.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
As shown in Figure 1, the ecology pond systems of preventing and controlling agricultural area source pollution of the invention, including ecological canal 1, overflow weir 2,
Ecological pond 3, connection canal and the row's of filling pumping plant 5, ecological canal 1 are arranged between farmland, and overflow weir 2 is arranged in 1 downstream of ecological canal,
Ecological pond 3 is set to the two sides of ecological canal 1,3 upstream of ecological pond is connected with ecological canal 1 using the first connection canal 4, the
3 downstream of ecological pond is connected by two connection canals 24 with the Forebay of Pumping Station of filling row's pumping plant 5, and the row's of filling pumping plant 5 is located at the downstream of ecological pond 3
Or rear end.
As shown in Fig. 2, the ecological pond 3 is that status swag is transformed, kind of the full first kind water plant in ecological pond 3
6, put fish and benthon in ecological pond 3 in a suitable place to breed, first kind water plant 6 is emergent aquactic plant and the water with water quality purification function
At least one of plant.
Ecological pond bottom structure from bottom to top are as follows: rammed earth layer 7, clay lenses 8, gravel layer 9, gravel diameter
Second level tableland 10 is arranged in 70-100mm under ordinary water level, plants first kind water plant 6.
The ecological pond Slope ratio is greater than 1:3；Pool water outlet enters the row's of filling pumping plant 5 by the second connection channel 24 and is discharged into river
Road 13.
The emergent aquactic plant is reed, cattail, wild rice stem or arrowhead；Fish are at least one of grass carp or silver carp；It dwells at bottom
Biology is at least one of spiral shell or freshwater mussel.
As shown in figure 3, the ecological canal 1 is the transformation of status farm field irrigation drainage channel, upstream or two sides are farmland 14, under
It swims and overflow weir 2 is set in ditch；Ecological canal two sides furrow bank uses hollow hexagonal precast concrete block slope protection 11, and prefabricated section uses
" S " the type mode of interlocking is arranged, and the reserved hexagon in centre is hollow, transplants the second class water plant 16, is laid with gravel in bottom of trench
9, and the second class water plant 16 is transplanted, the second class water plant 16 is at least two alternatings in mullet grass, Chinese celery or cattail
Plantation.
As shown in figure 4, the overflow weir 2 is stone masonry structure, 0.5~1.5m of height, setting is in ecological canal 1 close to raw
The position of 3 import of the state pool is all made of dumped rocks protecting foundation 12 within the scope of overflow weir upstream and downstream 5m, and agricultural drain is intercepted and imports ecological pond
After 3 are handled, then pumping plant 5 is arranged by filling and is discharged, reduces the pollutant concentration for being discharged into river 13 from pumping plant.
As shown in figure 5, the first connection canal 4 and the second connection canal 24 are soil structure, the first connection canal 4 is arranged in tightly
It is in intersect connection with ecological canal 1 by 2 upstream of overflow weir；First connection canal 4 and the second connection 24 slope ratio of canal are greater than 1:3, side slope
The third class water plant 26 for the humidogene of resistance to water logging is transplanted, third class water plant 26 is Bermuda grass, Festuca Arundinacea, Radix Ophiopogonis etc..
Second level tableland 10, the concrete of hollow hexagonal precast concrete block slope protection 11 is arranged in 0.5m generally under ordinary water level
Soil block having a size of 350 × 300mm,
Specifically, ecological canal of the present invention is transformed using status farm field irrigation drainage channel, ecological canal upstream is accepted
Agricultural drain, downstream connection ecological pond；Overflow weir is arranged in ecological canal, imports ecological pond for cutting water body in irrigation canals and ditches,
When flood water is larger draining can overflow cross overflow weir, be directly discharged into pumping plant；Ecological pond is transformed by rural situation swag,
Front end connects ecological canal, and rear end connects Forebay of Pumping Station；The row's of filling pumping plant fills row's pumping plant using status rural area, purifies through ecological pond
Draining afterwards is discharged into river by the row's of filling pumping plant.The ecology pond systems of the present invention, the draining of the high nitrogen and phosphorus load in farmland, by ecological canal
After carrying out primary purification, the obstruction by overflow weir enters ecological pond, is stopped in ecological pond, and Suspended Matter in Water is stood
Aerobic and oxygen and anaerobic reaction occur for precipitating, the place of the polluters ecological pond different water depth such as nitrogen, phosphorus, and in aquatic plant
Under object, fish and the collective effect of microorganism, contaminant degradation, water quality improves；River is discharged into finally by existing filling row's pumping plant
In road.
Ecological canal structure uses hollow hexagonal precast concrete block slope protection in channel two sides furrow bank, and prefabricated section uses " S "
The type mode of interlocking is arranged, and is grown area using gallery principle, and according to conventional water plant minimum, is reserved among prefabricated section
Hexagon is hollow, and the plants such as plant oenanthe stolonifera, mullet grass are laid with 10cm gravel in bottom of trench, and transplant water plant, can effectively subtract
Unhurried current speed plays the role of intercepting suspension solid content (SS) in water body.
In in ecological canal, weir body uses stone masonry structure for overflow weir construction, and overflow weir upstream and downstream is all made of dumped rocks protecting foundation.
Daily can intercept agricultural drain imports after ecological pond be handled, then is discharged by drainage pumping plant, reduces from pumping plant and is discharged into river
The pollutant concentration in road.
Ecological pond bottom structure from bottom to top are as follows: rammed earth, clay lenses.Second level tableland is set under ordinary water level,
Planting aquatic plants, water plant is based on the emergent aquactic plants such as reed, cattail, wild rice stem, arrowhead.Ecological pond Slope ratio is greater than 1:
3, pool water outlet enters Forebay of Pumping Station by channel, then is discharged into receiving water body by the row's of filling pumping plant.
Connection channel be the soil property channel newly excavated, and channel width requires setting according to water inlet, plant Bermuda grass on slight slope,
The resistance to water logging hygrophyte such as Festuca Arundinacea, Radix Ophiopogonis.Connection channel plays connection ecological canal and ecological pond, ecological pond and Forebay of Pumping Station
Effect.
In actual moving process, ecological pond expand fill row Forebay of Pumping Station scale, non-flood period rainfall it is smaller, pollution
Upland water can all be imported ecological pond and carry out purified treatment, and can effectively avoid water outlet through length by object concentration higher period
Distance water drainage channel causes periphery pollution to import again；Carry out water biggish period in flood season, it can be by ecological pond by excess water
It is regulated and stored and is discharged after being purified, can be reduced flood season a large amount of face sources and directly enter river, substantially reduced by the pollutant that pumping plant discharges,
And the ability of flood season farmland water drainage is not influenced.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (8)
1. a kind of the ecology pond systems of preventing and controlling agricultural area source pollution, including ecological canal (1), overflow weir (2), ecological pond (3), company
Connect canal and the row of filling pumping plant (5), which is characterized in that ecological canal (1) is arranged between farmland, and overflow weir (2) is arranged in ecological ditch
Canal (1) downstream, ecological pond (3) are set to the two sides of ecological canal (1), using first connection canal (4) by ecological pond (3) upstream with
Ecological canal (1) is connected, ecological pond (3) is connected by the second connection canal (24) with the Forebay of Pumping Station of the row of filling pumping plant (5), the row of filling
Pumping plant (5) is located at the downstream or rear end of ecological pond (3).
2. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 1, which is characterized in that the ecological pond (3)
It is transformed for status swag, in ecological pond (3) kind of full first kind water plant (6), puts fish and bottom in a suitable place to breed in ecological pond (3)
It dwells biology, first kind water plant (6) is at least one of emergent aquactic plant and the water plant with water quality purification function.
3. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 2, which is characterized in that the ecological pond bottom
Structure from bottom to top are as follows: rammed earth layer (7), clay lenses (8), gravel layer (9), gravel diameter 70-100mm, in ordinary water
Position is lower to be arranged second level tableland (10), plants first kind water plant (6) on second level tableland (10).
4. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 3, which is characterized in that the ecological pond side slope
Slope ratio is greater than 1:3；Pool water outlet enters the row of filling pumping plant (5) by the second connection channel (24) and is discharged into river (13).
5. the ecology pond systems of the preventing and controlling agricultural area source pollution according to Claims 2 or 3, which is characterized in that the very water is planted
Object is reed, cattail, wild rice stem or arrowhead；Fish are at least one of grass carp or silver carp；Benthon is in spiral shell or freshwater mussel
It is at least one.
6. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 1, which is characterized in that the ecological canal
(1) it is transformed for status farm field irrigation drainage channel, upstream or two sides are farmland (14), and overflow weir (2) are arranged in the ditch of downstream；Ecological ditch
Canal two sides furrow bank uses hollow hexagonal precast concrete block slope protection (11), and prefabricated section is arranged using " S " the type mode of interlocking, in
Between reserve hexagon it is hollow, transplant the second class water plant (16), bottom of trench be laid with gravel (9), and transplant the aquatic plant of the second class
Object (16), the second class water plant (16) are at least two alternately plantations in mullet grass, Chinese celery or cattail.
7. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 1, which is characterized in that the overflow weir (2)
For stone masonry structure, 0.5~1.5m of height is arranged on the position of ecological canal (1) close ecological pond (3) import, overflow weir
Dumped rocks protecting foundation (12) are all made of within the scope of the 5m of downstream, after agricultural drain interception importing ecological pond (3) is handled, then by the row of filling
Pumping plant (5) discharge, reduces the pollutant concentration that river (13) are discharged into from pumping plant.
8. the ecology pond systems of preventing and controlling agricultural area source pollution according to claim 1, which is characterized in that the first connection canal
(4) and the second connection canal (24) is soil structure, and the first connection canal (4) is arranged in against overflow weir (2) upstream, with ecological canal
(1) in intersection connection；Greater than 1:3, side slope transplants the of the humidogene of resistance to water logging for first connection canal (4) and second connection canal (24) slope ratio
Three classes water plant (26), third class water plant (26) are Bermuda grass, Festuca Arundinacea or Radix Ophiopogonis.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320275A (en) * | 2020-03-25 | 2020-06-23 | 天津市环境保护科学研究院 | System and method for intercepting agricultural non-point source pollution ecological ditch by using waste aquaculture pond |
| CN113998838A (en) * | 2021-11-09 | 2022-02-01 | 江西省农业科学院土壤肥料与资源环境研究所 | Composite ecological system for agricultural non-point source pollution treatment |
| CN115259390A (en) * | 2022-08-25 | 2022-11-01 | 河海大学 | Ecological sewage purification and circulation system |
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| CN115259390A (en) * | 2022-08-25 | 2022-11-01 | 河海大学 | Ecological sewage purification and circulation system |
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