CN110056073A - A kind of agricultural ecological pool for reducing agricultural non-point source pollution - Google Patents
A kind of agricultural ecological pool for reducing agricultural non-point source pollution Download PDFInfo
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- CN110056073A CN110056073A CN201910403755.9A CN201910403755A CN110056073A CN 110056073 A CN110056073 A CN 110056073A CN 201910403755 A CN201910403755 A CN 201910403755A CN 110056073 A CN110056073 A CN 110056073A
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- Prior art keywords
- runoff
- pool
- agricultural
- point source
- source pollution
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cultivation Of Plants (AREA)
Abstract
A kind of agricultural ecological pool for reducing agricultural non-point source pollution, including pool body, vertical in the body of pool to be equipped with diafiltration wall, which pool body is divided into runoff collecting pit and runoff irrigates pond two parts；The runoff collecting pit is connected with runoff irrigation canals and ditches, is equipped with gate or adjustable plate in connecting place, kind is implanted with water plant on the waterflooding line of runoff collecting pit, irrigates in runoff and is equipped with the pipeline that draws water in pond.The present invention feature high using facility farmland runoff coefficient using the ecological pool of hollow brick building and corresponding discharge conduit, collects light rain runoff and irrigates tail water, while playing the role of sediment trapping precipitating, clear water discharge to storm runoff using peasant household as basic unit.
Description
Technical field
The invention belongs to agricultural facility technical fields, and in particular to a kind of agricultural ecological pool for reducing agricultural non-point source pollution.
Background technique
Agricultural non-point source pollution is always to drive the important force of water eutrophication development, and to pollute, source is more, range for it
Extensively, the generation polluted and defeated the features such as to move past that journey is complicated, space-time changes uncertain, become the lake pollution including Dian Chi
The problem with environmental improvement is cut down, and agricultural wastewater is the most important thing.At present for the collection of agricultural wastewater and recycling master
To include ecological canal, vegetation barrier tape etc., but since agricultural wastewater has the characteristics that uncertainty is strong, impact load is high, deposit
It is unstable in treatment effect, therefore, by Optimat field net of canals and ditches, by the extra field runoff of periphery greenhouse, open country with
And a large amount of pollutants entrained by heavy rain introduce water storage pool, suitable water plant and filler and combinations thereof are selected, for locality
Water storage pool feature carries out the promotion and transformation in water storage pool using biological floating bed and diafiltration, establishes and is suitble to local farmland face source dirty
Dye control artificial ecology pool, achieves function of biological purification, improves the utilization rate of irrigating water quality, while reaching and beautifying the environment
Function.The on-site elimination for realizing area source pollutants, provides new thinking and reference for the prevention and treatment and control of agricultural non-point source pollution.
Summary of the invention
The object of the present invention is to provide a kind of agricultural ecological pools for reducing agricultural non-point source pollution, produce stream system using facility farmland
The high features of number, using peasant household as basic unit, using hollow brick construct ecological pool (100-150 cubic metres of unit volume, control plane
5-10 mus of product) and corresponding discharge conduit, it collects light rain runoff and irrigates tail water, while sediment trapping is played to storm runoff and is precipitated, clearly
The effect of water discharge.
The technical solution adopted by the present invention is that:
A kind of agricultural ecological pool for reducing agricultural non-point source pollution, including volume are 20~50m3Pool body, in the body of pool hang down
To diafiltration wall (3) is equipped with, which pool body is divided into runoff collecting pit (1) (for purification of water quality) and runoff irrigates pond
(4) two parts (for irrigation draught)；The runoff collecting pit (1) is connected with runoff irrigation canals and ditches (5), connecting place be equipped with gate or
Adjustable plate, kind is implanted with water plant (2) on the waterflooding line of runoff collecting pit (1), irrigates in pond (4) and is equipped in runoff
Draw water pipeline.
Further, diafiltration wall (3) with a thickness of 50cm~80cm, permeability is 100-500 darcy, Submergence time
(i.e. water storage residence time) selects 2d and 5d.
Further, bamboo chip shell (8) are equipped on the outside of the diafiltration wall (3), are provided with filler (7) in shell, it is described to fill out
Material (7) is made of rubble, quartz sand and haydite according to the volume ratio of 1:4~5:3~4, or is pressed by volcanic rock, quartz sand and cinder
It is constituted according to the volume ratio of 4:1~2:3~4.
Further, the ballast grain sizes are 10-15mm, haydite partial size is 10-15mm, volcanic rock partial size be 5-10mm,
Quartz sand, cinder partial size are 1-5mm.
Further, the artificial vegetation for taking artificial turfing to combine with plantation shrub in the side slope (6) of the pool body
Safeguard procedures, wherein turf selects rye grass, and shrub selects Winter Cherry or aalii.
Further, the water plant (2) is to swim and emergent aquactic plant, selected from cyperus alternifolius, papyrus, reed, cattail,
The green foxtail of powder, canna, hay grass, calamus, vegetal cover degree are 10-15%.
Beneficial effects of the present invention:
The present invention has easy construction, project cost is low, can provide microorganism to grow field using the construction mode in ecological pool
Institute, management service simplicity advantage, then by ecological pool side slope take artificial turfing (mainly selection rye grass) with
Artificial vegetation's safeguard procedures that plantation shrub (Winter Cherry, aalii) combines, which is suitable for small area, the gradient is delayed
Soil property class side slope, construction is simple, low cost.
In facility farmland region, suitable location is selected to build artificial Ji Shuishengtaitan, by draining irrigation canals and ditches runoff gathering
Enter ecological pool, the water surface carries out purification of water quality using diafiltration wall in pool.Meanwhile cyclic irrigation is carried out using ecological pool water storage.It is maximum
Degree ground collecting runoff increases the runoff residence time, and enhancing Water Cycle utilizes, and reduces runoff and washes away and soil losses.
Detailed description of the invention
Fig. 1 is ecological pool longitudal section schematic diagram；
Fig. 2 is ecological pool sectional view；
In figure, 1, runoff collecting pit, 2, water plant, 3, diafiltration wall, 4, runoff irrigation pond, 5, runoff irrigation canals and ditches (ecology
Ditch), 6, side slope, 7, filler, 8, bamboo chip shell.
Fig. 3 is that Ji Shuishengtaitan cuts down pollutant schematic diagram.
Specific embodiment
As depicted in figs. 1 and 2, a kind of agricultural ecological pool for reducing agricultural non-point source pollution, including volume are 20m3Pool body,
It is vertical in the body of pool to be equipped with diafiltration wall 3, processing can be filtered to water body, reduction water district SS content, the diafiltration wall 3 is by pool body
It is divided into runoff collecting pit 1 (for purification of water quality) and runoff irrigates pond 4 (for irrigation draught) two parts；The runoff collecting pit
1 is connected with runoff irrigation canals and ditches 5, to introduce external water source, is equipped with gate or adjustable plate in connecting place, to adjust water level,
Kind is implanted with water plant 2 on the waterflooding line of runoff collecting pit 1, irrigates in runoff and is equipped with the pipeline that draws water in pond 4.
The diafiltration wall 3 with a thickness of 80cm, permeability is 100-500 darcy, and permeability is medium, and Submergence time (stores up
Water retention time) selection 2d and 5d；Be percolated on the outside of wall 3 and be equipped with bamboo chip shell 8, be provided with filler 7 in shell, the filler 7 by
Rubble, quartz sand and haydite are constituted according to the volume ratio of 1:5:3, or by volcanic rock, quartz sand and cinder according to the volume of 4:1:4
Than constituting, the ballast grain sizes are 10-15mm, haydite partial size is 10-15mm, volcanic rock partial size is 5-10mm, quartz sand, cinder
Partial size is 1-5mm.
Take artificial turfing with artificial vegetation's safeguard procedures for combining of plantation shrub in the side slope 6 of the pool body,
In, turf selects rye grass, and shrub selects Winter Cherry or aalii.
The water plant 2 is to swim and emergent aquactic plant, selected from cyperus alternifolius, papyrus, reed, cattail, the green foxtail of powder,
Canna, hay grass, calamus, vegetal cover degree are 15%, have that durability against pollution is strong, detergent power is strong, well developed root system, oxygen-enriched ability
By force, the features such as economic value is high.
Ji Shuishengtaitan is connected with ecological ditch, and junction adjusts ecological ditch and collection Ecology Tan Shui by adjustable plate
Position, Ji Shuishengtaitan are divided into two parts, are purification of water quality with ecological ditch connected component major function, and another part is greenhouse irrigation
Water district, above-mentioned two parts are separated by by diafiltration wall.According to greenhouse region idle land situation, the ecological single volume in pool is 20m3。
Project Areas is located at rural areas, and from safety considerations, ecological sump surrounding should set isolation, and install notice board.
Result of study
According to the survey, after field irrigation, a part pouring water containing chemical fertilizer can return in pool root with soil infiltration, Zhan Shui
1/4-the 1/3 of pool volume, content is higher, and for most of water from drawing water to neighbouring fish pond, SS content is higher.In terms of following result
Out, the pollutant concentration that each field puddle is retained has a certain difference, the reason is that the change applied by each household peasant household
Caused by fertilizer amount difference.The product of the volume in pool and each pool pollutant concentration, as field puddle cut each pollutant of water body
Allowance.
All in all, different field puddles different months the interception situation to pollutant be that the retention range of TP is
4.75g/ times -766.43g/ times, the retention range of TN is 228.45g/ -6193.02g/, and the retention range of nitrate nitrogen is
115.61g/ times -2840.45g/ times, the retention range of ammonia nitrogen is 0.68g/ -542.17g/, and the retention range of COD is
637.20g/ times -10573.06g/ times, the retention range of SS is 13.13kg/ -157.75kg/.It can be seen that field water
Pool can retain a large amount of pollutant in farmland, obtain certain reduction by self purification in pool and buffer, and make to enter river
Pollutant burden reduce.
Find by the measurement to total phosphorus, total nitrogen, ammonia nitrogen, nitrate nitrogen and COD, and by analysis: influent concentration is to total phosphorus, total
The reduction of nitrogen and ammonia nitrogen has significant impact, and influent concentration is higher, and removal rate is higher；Residence time is to total phosphorus, total nitrogen and nitre
The reduction of nitrogen has extremely significant influence, and removal rate increases with the extension of residence time；And filling mixture ratio is only to ammonia nitrogen
Reduction has extremely significant influence, i.e., different filling mixture ratios has significant difference to the removal of ammonia nitrogen；Wall thickness is percolated to ammonia nitrogen
Removal also have significant impact, removal rate is increased with the growth of thickness；The interaction of influent concentration and residence time is made
There is extremely significant influence with the reduction to COD.It specifically is shown in Table 1, the process for cutting down pollutant is as shown in Figure 3.
Table 1 influences simulation combination to the multiplicity of pollutant fluxes
*P<0.05；**P<0.01
Monitoring And Analysis of The Quality under 5 artificial diversions and Rainfall Condition, ecology are carried out to the greenhouse area that 1 area is 5339m2
Pool is respectively to the reduction efficiency of the water quality of 0-30cm: TN 10%, TP 22.5%, COD 13.5%, SS 10%, NO3-N
13.3%.
Claims (6)
1. it is a kind of reduce agricultural non-point source pollution agricultural ecological pool, which is characterized in that including volume be 20~50m3Pool body,
Vertical in the body of pool to be equipped with diafiltration wall (3), which pool body is divided into runoff collecting pit (1) and runoff irrigates (4) two, pond
Point；The runoff collecting pit (1) is connected with runoff irrigation canals and ditches (5), is equipped with gate or adjustable plate in connecting place, receives in runoff
Kind is implanted with water plant (2) on the waterflooding line of Ji Chi (1), irrigates in runoff and is equipped with the pipeline that draws water in pond (4).
2. a kind of agricultural ecological pool for reducing agricultural non-point source pollution as described in claim 1, which is characterized in that the diafiltration wall
(3) with a thickness of 50cm~80cm, permeability is 100-500 darcy, and Submergence time selects 2d and 5d.
3. a kind of agricultural ecological pool for reducing agricultural non-point source pollution as described in claim 1, which is characterized in that the diafiltration wall
(3) outside be equipped with bamboo chip shell (8), be provided with filler (7) in shell, the filler (7) by rubble, quartz sand and haydite according to
The volume ratio of 1:4~5:3~4 is constituted, or is made of volcanic rock, quartz sand and cinder according to the volume ratio of 4:1~2:3~4.
4. a kind of agricultural ecological pool for reducing agricultural non-point source pollution as described in claim 1, which is characterized in that the rubble grain
Diameter is 10-15mm, haydite partial size is 10-15mm, volcanic rock partial size is 5-10mm, quartz sand, cinder partial size are 1-5mm.
5. a kind of agricultural ecological pool for reducing agricultural non-point source pollution as described in claim 1, which is characterized in that in the pool body
Side slope (6) take artificial turfing with artificial vegetation's safeguard procedures for combining of plantation shrub, wherein turf selects rye
Grass, shrub select Winter Cherry or aalii.
6. a kind of agricultural ecological pool for reducing agricultural non-point source pollution as described in claim 1, which is characterized in that the aquatic plant
Object (2) is to swim and emergent aquactic plant, selected from cyperus alternifolius, papyrus, reed, cattail, the green foxtail of powder, canna, hay grass, Chang
Pu, vegetal cover degree are 10-15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403755.9A CN110056073A (en) | 2019-05-15 | 2019-05-15 | A kind of agricultural ecological pool for reducing agricultural non-point source pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403755.9A CN110056073A (en) | 2019-05-15 | 2019-05-15 | A kind of agricultural ecological pool for reducing agricultural non-point source pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110056073A true CN110056073A (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910403755.9A Pending CN110056073A (en) | 2019-05-15 | 2019-05-15 | A kind of agricultural ecological pool for reducing agricultural non-point source pollution |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804033A (en) * | 2016-03-29 | 2016-07-27 | 哈尔滨工业大学 | Integrated W-shaped farmland ecological liquid waste ditch |
| CN210562551U (en) * | 2019-05-15 | 2020-05-19 | 云南大学 | Farmland ecological pond for reducing agricultural non-point source pollution |
-
2019
- 2019-05-15 CN CN201910403755.9A patent/CN110056073A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804033A (en) * | 2016-03-29 | 2016-07-27 | 哈尔滨工业大学 | Integrated W-shaped farmland ecological liquid waste ditch |
| CN210562551U (en) * | 2019-05-15 | 2020-05-19 | 云南大学 | Farmland ecological pond for reducing agricultural non-point source pollution |
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