CN208650012U - A kind of rice field face source sewage, which fills to store, teases and ridicule control purification system - Google Patents
A kind of rice field face source sewage, which fills to store, teases and ridicule control purification system Download PDFInfo
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- CN208650012U CN208650012U CN201820228511.2U CN201820228511U CN208650012U CN 208650012 U CN208650012 U CN 208650012U CN 201820228511 U CN201820228511 U CN 201820228511U CN 208650012 U CN208650012 U CN 208650012U
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Abstract
A kind of rice field face source sewage, which fills to store, teases and ridicule control purification system.The system in rice field on the basis of distribution status, is kept apart the river water body on rice field and periphery by roadbed and main irrigation ditches row using the original natural irrigation ditches row of rice region, and the filling storage for forming relative closure teases and ridicule control purification system.The system septal fossula width of the channel about 1.5m~2.0m, the ratio of deep 1.0m~1.5m, irrigation canals and ditches and rice field area is 5%~10%, plants vegetation in irrigation canals and ditches, have unique inlet and outlet, whole system using gate adjust the rainwater for entering irrigation canals and ditches, irrigation water, outer draining and runoff water residence time.The system can give full play to the wetland purification effect of ditch, rice field, can limited reduction rice field face source sewage nitrogen phosphorus, to rice field face source sewage have preferably regulation clean-up effect.
Description
Technical field
The utility model belongs to agriculture environmental protection technical field, is specifically related to a kind of rice field face source sewage filling storage and teases and ridicule
Control purification system.
Background technique
Agricultural non -point pollution is primarily referred to as in Agricultural Activities farmland phosphorus and nitrogen during precipitation or irrigation,
By agricultural surface runoff, agricultural drain and underground leakage, a large amount of nitrogen phosphorus is made to enter water body, caused by water environment pollution (Zhang Wei
Reason, Xu Aiguo, the estimation of the Chinese agriculture pollution of area source situation such as macro outstanding person in Ji and control way III: the control of Chinese agriculture pollution of area source
Middle problems analysis [J] Scientia Agricultura Sinica, 2004,37 (7): 1026-1033).
First generalized grain crop of the rice as China, cultivated area account for about the 27% of national total cultivated area, yield
Account for about Grain in China total yield 38% (Zhu Defeng, Chen Huizhe, Xu Yicheng, wait the China double cropping of rice production mechanization restrictive factor with
Development countermeasure [J] China rice, 2013,19 (4): 1-4.).Rice Cropping has high intensive degree, high investment and high production
Basic characteristics.Domestic rice workspace usually has flourishing drainage ditch system, and such as the Jiangsu Province of THE LOWER YANGTZE VALLEY, farm ditch land occupation can
Up to the 5%-11% in farmland, depth generally in 1.0-1.8m, has stronger water-holding capacity.In order to which the row of filling is convenient, Rice Cropping
Region generally exists in the form of the row's of filling unit.The row's of filling unit is made of the irrigation canals and ditches of farmland and surrounding, passes through roadbed and surrounding
River separates, and each filling row unit has independent filling discharge outlet.According to statistics, rice water consumption accounts for about agricultural water total amount
60%-70%, fertilizer amount are more than 20%, at present due in growth period duration of rice water management it is extensive, face source sewage in rice field or
The residence time is shorter in irrigation canals and ditches, and the synergistic purification ability of field system and trench system is weak, causes the nutriments such as nitrogen phosphorus to surface water
The discharge of body frequent (Li Xueping, Shi Xiaojun purple paddy phosphorus element behavioral characteristics and its environmental influence research [J] environment section
It learns, 2008,29 (2): 434-439.).
Therefore, it on having the row's of filling unit basis, studies a kind of rice field face source sewage filling storage and teases and ridicule control purification system, should compare
Single rice field or irrigation canals and ditches control draining have better pollution of area source emission reduction effect.For solving current agricultural non -point pollution
Water environmental problems have a very important significance.
Summary of the invention
To solve the above problems, the utility model, which provides a kind of rice field face source sewage filling storage, teases and ridicule control purification system, it should
System is using the original natural irrigation ditches row of rice region, in rice field on the basis of distribution status, by roadbed by the river in rice field and periphery
Water body is kept apart, and the filling storage for forming relative closure teases and ridicule control purification system.
Filling storage is teased and ridicule control purification system and is mainly made of rice field and its natural irrigation ditches row closed on, water inlet and charge for remittance ditch
Width of the channel about 1.5m~2.0m, deep about 1.0m~1.5m, the ratio of water inlet and charge for remittance irrigation canals and ditches and natural irrigation ditches row and rice field area
It is 5%~10%, nitrophilous phosphorus plant is planted in irrigation canals and ditches.
Filling storage, which teases and ridicule control purification system, unique inlet and outlet, and water inlet is by pumping plant by the water pump in periphery river
Enter in the irrigation canals and ditches of system, the water in irrigation canals and ditches is irrigated into after rice field, and the mode of draining or runoff water reenters irrigation canals and ditches in addition, whole
A system is using the outlet of gate control water, and adjusting is into when the rainwater of irrigation canals and ditches, irrigation water, outer draining and the delay of runoff water
Between.
Pollutant is intercepted for the first time by rice field, is intercepted again by irrigation canals and ditches to rice field outlet pollutant, in the row of reduction
While water, extend residence time of the pollutant in rice field, irrigation canals and ditches, give full play to ditch, rice field wetland purification effect with
Cut down concentration of nitrogen and phosphorus.
In order to complete above-mentioned target, the utility model adopts the following technical solution, the specific steps are as follows:
Determine the distribution characteristics in nature irrigation ditches row and rice field；
According to the distribution characteristics of natural irrigation ditches row and rice field, building, which fills to store, teases and ridicule control purification system, fills each and stores
Teasing and ridicule control purification system has a water inlet and a unique water outlet；
Filling storage teases and ridicule the water inlet of control purification system and the water in river is introduced irrigation canals and ditches by neighbouring pumping plant.Control is teased and ridicule only filling to store
Regulating gate is arranged in the junction culvert mouth in change system water outlet, that is, irrigation canals and ditches and periphery river.
The utility model has the beneficial effects that making full use of existing rice field and the row of filling naturally abundant by adaptation to local conditions
Irrigation canals and ditches increase Wetland Area and construction cost without additional, it is only necessary to tease and ridicule control purification system water outlet irrigation canals and ditches end in filling storage and set
Small-sized control pumping equipment is set, hardware less investment, technical requirements are simple, suitable for promoting the use of in the nervous rice workspace in arable land.
Detailed description of the invention
Fig. 1 is that a kind of rice field face source sewage filling storage of the utility model teases and ridicule control purification system schematic diagram.
Fig. 2 is the row's of filling unit nitrogen phosphorus clean-up effect figure.
In Fig. 1,1 indicates rice field water inlet irrigation canals and ditches, and 2 indicate rice field irrigation ditches rows, and 3 indicate rice field charge for remittance irrigation canals and ditches, and 4 indicate to fill
Pumping plant is irrigate, 5 indicate culvert discharge outlet, and 6 indicate periphery river, and 7 indicate roadbed, wherein water flowing direction in arrow expression system.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of rice field face source sewage, which fills to store, teases and ridicule control purification system, specific implementation step is as follows:
Source sewage filling storage in rice field face teases and ridicule control purification system and surrounds a closed system by roadbed 7, passes through pumping plant 4 and culvert
Discharge outlet 5 and periphery river 6 carry out water coke slurry.
Irrigation water pass through first pumping plant 4 enter fill store tease and ridicule control purification system in, by rice field water inlet irrigation canals and ditches 1 enter rice field
In irrigation ditches row 2, water was irrigated when not having ridge；According to crop water, draining and runoff water enter rice field filling row outside rice field
It is detained in irrigation canals and ditches 2, ditch water in a canal again goes into rice field with irrigation water and is recycled when waiting irrigation next time；Extra water enters rice
In field charge for remittance irrigation canals and ditches 3, pass through 5 outlet of culvert discharge outlet.
Regulation gate, rice growing season closing gate are equipped at culvert discharge outlet 5, water is detained in the trench, ditch channel water
Maintain 30cm~70cm deeply, rice water is irrigated, in irrigation canals and ditches when water deficiency, from pumping plant 4 after 6 water lift of periphery river toward irrigation canals and ditches
In pour water.
Special catchment is met, when the depth of water in irrigation ditches row 2 there was not ridge, the regulating gate of culvert discharge outlet 5 is opened；
In other periods, closing gate, in the trench, the entire storage that fills teases and ridicule control purification system using the outer of gate control water to moisture retention
Row extends the residence time, and then sufficiently cuts down nitrogen phosphorus in water.
Regulation gate at rice harves phase and rain fed crop plantation season culvert discharge outlet 5 is in an open state.
Embodiment 1: Qianjiang City, Hubei Province town Hao Kou Liuzhou village rice field face source sewage, which fills to store, teases and ridicule control purification system demonstration area.
It fills to store for test rice field face source sewage and teases and ridicule control purification system to the regulation clean-up effect of rice field face source sewage, in lake
The Qianjiang City Bei Sheng, Liuzhou village, the town Hao Kou is tested, and about 8.7 hectares of test area.According to migration road of the water in the system
Diameter monitors to irrigate average TN, TP concentration best result in 1.63mg/L and 0.12mg/L, Soil surface water of TN, TP concentration in water
Not Da 5.39mg/L and 1.04mg/L, after Soil surface water outlet and runoff water eventually enter into irrigation canals and ditches, concentration drops to 0.89mg/L respectively
And 0.07mg/L reduces ratio up to 40% or more compared with irrigating and carrying out water concentration.
This test result shows that rice field face source sewage fills to store and teases and ridicule control purification system and can effectively cut down nitrogen phosphorus in water, right
The regulation clean-up effect of rice field area surface source sewage is preferable.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is practical according to this in technical scope provided by the utility model
Novel technical solution and its inventive concept is subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (3)
1. a kind of rice field face source sewage, which fills to store, teases and ridicule control purification system, it is characterized in that surrounding closed system by roadbed (7), pass through pump
It stands (4) and culvert discharge outlet (5) and periphery river (6) carries out water coke slurry, irrigation water, which passes through pumping plant (4) first and enters to fill to store, teases and ridicule
It controls in purification system, enters in rice field irrigation ditches row (2) by rice field water inlet irrigation canals and ditches (1), draining and runoff water enter outside rice field
It is detained in rice field irrigation ditches row (2) and rice field charge for remittance irrigation canals and ditches (3), rice field charge for remittance irrigation canals and ditches (3) are connected with culvert discharge outlet (5), contain
Regulation gate is equipped at hole discharge outlet (5), in irrigation canals and ditches when water deficiency, from pumping plant (4) after periphery river (6) water lift into irrigation canals and ditches
It pours water.
2. a kind of rice field face source sewage according to claim 1, which fills to store, teases and ridicule control purification system, it is characterised in that rice field into
The ratio of Box Drain (1), rice field irrigation ditches row (2) and rice field charge for remittance irrigation canals and ditches (3) and rice field area is 5%~10%, rice field into
Box Drain (1) and rice field charge for remittance irrigation canals and ditches (3) width 1.5m~2.0m, deep 1.0m~1.5m plant nitrophilous phosphorus plant in irrigation canals and ditches.
3. a kind of rice field face source sewage according to claim 1, which fills to store, teases and ridicule control purification system, it is characterised in that rice is raw
Long season regulates and controls closing gate, and the depth of water maintains 30cm~70cm, rice harves phase and rain fed crop plantation season regulation in irrigation canals and ditches
Gate is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228511.2U CN208650012U (en) | 2018-02-01 | 2018-02-01 | A kind of rice field face source sewage, which fills to store, teases and ridicule control purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228511.2U CN208650012U (en) | 2018-02-01 | 2018-02-01 | A kind of rice field face source sewage, which fills to store, teases and ridicule control purification system |
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| CN208650012U true CN208650012U (en) | 2019-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166464A (en) * | 2018-02-01 | 2018-06-15 | 中国农业科学院农业资源与农业区划研究所 | A kind of rice field face source sewage, which fills to store, teases and ridicule control cleaning system |
| CN113463560A (en) * | 2021-08-02 | 2021-10-01 | 中电建生态环境设计研究有限公司 | Polder area water circulation paddy field non-point source pollution treatment system |
-
2018
- 2018-02-01 CN CN201820228511.2U patent/CN208650012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166464A (en) * | 2018-02-01 | 2018-06-15 | 中国农业科学院农业资源与农业区划研究所 | A kind of rice field face source sewage, which fills to store, teases and ridicule control cleaning system |
| CN113463560A (en) * | 2021-08-02 | 2021-10-01 | 中电建生态环境设计研究有限公司 | Polder area water circulation paddy field non-point source pollution treatment system |
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