CN207451737U - A kind of denitrogenation dephosphorizing ecology trench system - Google Patents
A kind of denitrogenation dephosphorizing ecology trench system Download PDFInfo
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- CN207451737U CN207451737U CN201721252013.3U CN201721252013U CN207451737U CN 207451737 U CN207451737 U CN 207451737U CN 201721252013 U CN201721252013 U CN 201721252013U CN 207451737 U CN207451737 U CN 207451737U
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Abstract
The utility model discloses a kind of denitrogenation dephosphorizing ecology trench systems, the multiple partition plates set gradually including ecological ditch and along ecological ditch length direction, partition plate is equipped with the perforation in net distribution, ecological ditch is divided into multiple small-sized surface-flows and small-sized current wetland by multiple partition plates, small-sized surface-flow and small-sized current wetland are alternately distributed along the length direction of ecological ditch, the inlet opening of ecological ditch is equipped with water-blocking bank at ecological ditch outlet, multiple spout holes is equipped at the top of water-blocking bank.The system structure is simple, easy to operate, and processing load is high, good denitrogenation and dephosphorization effect.
Description
Technical field
The utility model is related to agricultural non-point source pollution to control field of engineering technology, and in particular to a kind of denitrogenation dephosphorizing ecology ditch
System.
Background technology
Agricultural non-point source pollution refers in Agricultural Activities, pollutant during precipitation or irrigation, by rainwash,
Agricultural drain and underground leakage, the pollution of area source formed into water body.Wherein, the loss of nitrogen phosphorus is agricultural area source dirt in farmland
The main source of dye.
The problems such as being controlled for agricultural non -point pollution, both at home and abroad mainly using more mature artificial swamp, front damming, plant
It is administered by ecological engineerings such as buffer strip, land inland water ecotones, and has affirmed fully wetland and sent out in terms of pollution of area source is purified
The effect waved, meanwhile, the detergent power of the ditch wetland ecosystem also results in the concern of domestic and international many scholars.Yang Linzhang etc.
People proposes a kind of new ecological engineering science solution with reference to TAI HU AREA actual conditions, and shows sewerage to farmland footpath
Nitrogen, the removal effect of phosphorus are apparent in stream.Xu's red light et al. has inquired into water plant by Static simulation test emphasis and has existed to nitrogen, phosphorus
Entrapment mechanism in water-sediment-water plant microscopic system, the results showed that water plant can be such that nitrogen in water, phosphorus quickly reduces.
Wang Yan et al. researchs show that ecological canal mainly inhales the efficient cutting mechanisms of nitrogen phosphorus in agricultural drain in matrix absorption and plant
It receives and slows down flow velocity and settle silt etc..
However at present, domestic and foreign scholars are concentrated mainly on the research of ecological canal the purification of purification mechanism, planting plants
Effect etc., and studied also relatively in terms of the design of irrigation canals and ditches internal structure is to the clean-up effect of agricultural area source pollutants
It is few.The area differentiation of existing ecological canal, because of agricultural non-point source pollution and people contradiction leads to not to nitrogen, the phosphorus in water body
Element reaches preferable removal effect, thus remains to be further improved.
The content of the invention
In order to solve the above-mentioned problems of the prior art, the utility model provides a kind of denitrogenation dephosphorizing ecology ditch system
System, the system structure is simple, easy to operate, and processing load is high, good denitrogenation and dephosphorization effect.
Technical solution is used by realizing the utility model above-mentioned purpose：
A kind of denitrogenation dephosphorizing ecology trench system, including ecological ditch, further include set gradually along ecological ditch length direction it is more
A partition plate, partition plate are equipped with the perforation in net distribution, and ecological ditch is divided into multiple small-sized surface-flows and small-sized by multiple partition plates
Current wetland, small-sized surface-flow and small-sized current wetland are alternately distributed along the length direction of ecological ditch, the inlet of ecological ditch
It is open, water-blocking bank is equipped at ecological ditch outlet, multiple spout holes are equipped at the top of water-blocking bank.
Gravel bed is equipped in each small-sized surface-flow, gravel bed on kind is implanted with floating plant, submerged plant and very water is planted
Object, each small-sized current wetland is interior filled with gravel filling layer, and gravel filling layer on kind is implanted with emergent aquactic plant, the vertical height of partition plate
For the 0.55~0.85 of ecological trench depth.
The cross section of ecological ditch is trapezoidal, and the ecological ditch longitudinal slope gradient is 0.1%~2%.
The shape of partition plate is trapezoidal, and for divider upright in ecological ditch bottom, the shape of partition plate and the cross section of ecology ditch are phase
Like figure.
Direction of the diameter of perforation along partition plate bottom to top is sequentially increased.
The spout hole semicircular in shape.
Compared with prior art, it is the advantages of the utility model with advantageous effect：
1st, the ecology trench system is wet for the multiple small-sized surface-flows of friendship and small-sized current wetland, small-sized surface low by separator lined
Location and small-sized current wetland section are alternately distributed, are serially connected, and enhance anti-shock loading and contaminant removal capacity.
2nd, ecological canal exit is provided with water-blocking bank and spout hole, and the height of spout hole is less than small-sized current wetland gravel
The thickness of hardcore layer can make to maintain certain water inside ecological ditch, be carried for emergent aquactic plant, floating plant, submerged plant
For suitable growing environment, while water is maintained to provide certain anaerobic environment, add denitrification effect.
3rd, the bore dia perforated on partition plate is sequentially increased from top to bottom, can be slowed down water volume flow rate, be slowly entered sewage
Inside small-sized current wetland and small-sized free water surface wetland, slow down and wash away, so as to enhance the dirt-removing power of small-sized wetland.
4th, it is transformed using the original sewerage in farmland, the setting ecology trench system of adaptation to local conditions.
5th, the ecology trench system has processing load height, good denitrogenation and dephosphorization effect, and the advantages such as easy to operate.
Description of the drawings
Fig. 1 is the structure diagram (simplification figure) of denitrogenation dephosphorizing ecology trench system.
Fig. 2 is the structure diagram of partition plate.
Fig. 3 is the structure diagram of small-sized current wetland.
Fig. 4 is the structure diagram of small-sized surface-flow.
Wherein, 1- ecologies ditch, 2- partition plates, the small-sized surface-flows of 3-, the small-sized current wetlands of 4-, 5- water-blocking banks, 6- spout holes,
7- perforation, 8- gravel fillings layer, 9- emergent aquactic plants, 10- floating plants, 11- submerged plants, 12- gravel beds.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
The structure of denitrogenation dephosphorizing ecology trench system provided by the utility model is as shown in Figure 1, the system includes 1 He of ecological ditch
The multiple partition plates 2 set gradually along ecological ditch length direction.
The cross section of ecological ditch 1 is trapezoidal, and the ecological 1 longitudinal slope gradient of ditch is 0.1%~2%, the shape of ecological ditch cross section
Not only limitation, can adaptation to local conditions with trapezoidal.The total length of ecological ditch is 35~100m, and depth is 0.8~1m.Ecological ditch 1
Inlet opening, the exit of ecological ditch 1 are equipped with water-blocking bank 5, and the height of water-blocking bank is 25~30cm.5 top of water-blocking bank is equipped with
Multiple spout holes 6,6 semicircular in shape of spout hole, a diameter of 5~10cm.
Partition plate 2 is perpendicular to ecological ditch bottom, as shown in Fig. 2, the shape of partition plate 2 is trapezoidal, the height of partition plate for 55~
65cm., the shape of partition plate 2 and the cross section of ecology ditch 1 are similar fitgures.Partition plate 2 is equipped with the perforation 7 in net distribution, wears
A diameter of 1~3cm in hole 7, and direction of 7 diameters along partition plate bottom to top of perforating is sequentially increased and (is combined with sized perforations real
Border situation multiple rows of can be configured).
Ecological ditch 1 is divided into multiple small-sized surface-flows 3 and small-sized current wetland 4, small-sized 3 He of surface-flow by multiple partition plates
Small-sized current wetland 4 is alternately distributed along the length direction of ecological ditch.The length of each small-sized current wetland is 1m~1.5m, each small-sized
The length of surface-flow is 2~5m.Gravel bed 12 is equipped in small-sized surface-flow 3, kind is implanted with floating plant on gravel bed 12
10th, submerged plant 11 and emergent aquactic plant 9, gravel bed thickness are 2~5cm, and Gravel packing is 16~32mm.Each small-sized current wetland
Filled with gravel filling layer 5 in 4, kind is implanted with emergent aquactic plant 9 on gravel filling layer 8, and gravel filling layer thickness is 50~60cm, gravel
Stone size is 16~32mm.
The denitrogenation dephosphorizing principle of the nitrogen dephosphorization ecology trench system is as follows：
Agricultural run-off by pretreatment system or enters ecological ditch using the depth displacement of physical features, and sewage is small-sized in ecological ditch
Under the action of surface-flow, bulky grain state pollutant obtains preliminary sedimentation, while by the natural food chain of small-sized surface-flow,
Sewage obtains preliminary purification, and the sewage of preliminary purification, into small-sized current wetland, inside small-sized current wetland, is led to by partition plate
Cross filling adsorption, ion exchange, microorganism decomposition, the collective effects such as absorption of animals and plants, nitrogen phosphorus and other pollutants obtain into
One step removes, and is purified subsequently into next round alternate treatment, finally obtains sufficiently cleaned up agricultural run-off using depth displacement, passes through
Spout hole overflow is discharged.
Claims (6)
1. a kind of denitrogenation dephosphorizing ecology trench system, including ecological ditch, it is characterised in that：It further includes along ecological ditch length direction successively
The multiple partition plates set, partition plate are equipped with the perforation in net distribution, and it is wet that ecological ditch is divided into multiple small-sized surface lows by multiple partition plates
Ground and small-sized current wetland, small-sized surface-flow and small-sized current wetland are alternately distributed along the length direction of ecological ditch, ecological ditch
Inlet opening, water-blocking bank is equipped at ecological ditch outlet, multiple spout holes are equipped at the top of water-blocking bank.
2. denitrogenation dephosphorizing ecology trench system according to claim 1, it is characterised in that：It is equipped in each small-sized surface-flow
Gravel bed, gravel bed on kind are implanted with floating plant, submerged plant and emergent aquactic plant, are filled out in each small-sized current wetland filled with gravel
The bed of material, gravel filling layer on kind are implanted with emergent aquactic plant, and the vertical height of partition plate is the 0.55~0.85 of ecological trench depth.
3. denitrogenation dephosphorizing ecology trench system according to claim 1, it is characterised in that：The cross section of ecological ditch is trapezoidal,
The longitudinal slope gradient of ecological ditch is 0.1%~2%.
4. denitrogenation dephosphorizing ecology trench system according to claim 3, it is characterised in that：The shape of partition plate is trapezoidal, partition plate
Perpendicular to ecological ditch bottom, the cross section of the shape of partition plate and ecological ditch is similar fitgures.
5. denitrogenation dephosphorizing ecology trench system according to claim 1, it is characterised in that：The diameter of perforation is arrived along partition plate bottom
The direction at top is sequentially increased.
6. denitrogenation dephosphorizing ecology trench system according to claim 1, it is characterised in that：The spout hole semicircular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252013.3U CN207451737U (en) | 2017-09-27 | 2017-09-27 | A kind of denitrogenation dephosphorizing ecology trench system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721252013.3U CN207451737U (en) | 2017-09-27 | 2017-09-27 | A kind of denitrogenation dephosphorizing ecology trench system |
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| CN207451737U true CN207451737U (en) | 2018-06-05 |
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| CN201721252013.3U Active CN207451737U (en) | 2017-09-27 | 2017-09-27 | A kind of denitrogenation dephosphorizing ecology trench system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777275A (en) * | 2021-09-13 | 2021-12-10 | 上海交通大学 | Device for measuring water power transmission and solute transport rate and path of water-land interface |
| WO2022082913A1 (en) * | 2020-10-22 | 2022-04-28 | 张腊梅 | Environmentally friendly ecological ditch water purification device and purification method |
-
2017
- 2017-09-27 CN CN201721252013.3U patent/CN207451737U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022082913A1 (en) * | 2020-10-22 | 2022-04-28 | 张腊梅 | Environmentally friendly ecological ditch water purification device and purification method |
| CN113777275A (en) * | 2021-09-13 | 2021-12-10 | 上海交通大学 | Device for measuring water power transmission and solute transport rate and path of water-land interface |
| CN113777275B (en) * | 2021-09-13 | 2022-07-15 | 上海交通大学 | Device for measuring water power transmission and solute transport rate and path of water-land interface |
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