CN105672448B - A kind of efficient closure works system of agricultural non-point source pollution and control method - Google Patents
A kind of efficient closure works system of agricultural non-point source pollution and control method Download PDFInfo
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- CN105672448B CN105672448B CN201610259032.2A CN201610259032A CN105672448B CN 105672448 B CN105672448 B CN 105672448B CN 201610259032 A CN201610259032 A CN 201610259032A CN 105672448 B CN105672448 B CN 105672448B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 238000003973 irrigation Methods 0.000 claims abstract description 18
- 230000002262 irrigation Effects 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000007689 inspection Methods 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims description 4
- 241000216843 Ursus arctos horribilis Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 206010016807 Fluid retention Diseases 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 238000010413 gardening Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/001—Methods, systems, or installations for draining-off sewage or storm water into a body of water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fertilizers (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of efficient closure works system of agricultural non-point source pollution and control method, closure works system includes gate, the headstock gear of regulating gate opening and closing, ultrasonic open-channel meter and the control unit for being used to be opened and closed the mouth that dams.Ultrasonic open-channel meter, which is arranged on, is used for the flow for measuring the WIH that dams in Vatch basin, its output connects control unit；Control unit output end is connected with headstock gear, simple in construction with the keying of the flow that is detected according to ultrasonic open-channel meter by headstock gear regulating gate, can be dammed by difference in flow change.The present invention is according to agriculture irrigation ditch canal run-off and the correlation of DTP concentration and the occurrence law of peak concentration, using flow and ageing control mode, realization is dammed to agricultural area source sewage, more pollutants can be retained in the case of identical retention water to the full extent, than existing stopped flow technique more simple and effective.
Description
Technical field
The present invention relates to the collection of rural sewage, and in particular to a kind of efficient closure works system of agricultural non-point source pollution and controlling party
Method, belongs to technical field of sewage.
Background technology
With intensive agriculture deepening continuously in China's economy and progressive, thing followed problem of environmental pollution also day
It is beneficial serious.Rural Plane Source Pollution turns into the outstanding problem in China's agricultural development.It is China positioned at the Dian Chi of central Yunnan
One of maximum inland freshwater lake, Kunming is just seated in Dian Chi lakeside.Dianchi Lake Basin area 2920km2, its water resource pair
Kunming industrial and agricultural production and people's life play vital effect, but because a large amount of of pollutant are discharged into, Dian Chi is
One of lake as water body eutrophication degree most serious.Country and place have put into substantial contribution development Dian Chi dirt in recent years
Control is contaminated, the ripe point-source pollution harnessing project of large quantities of instant effects, Treatment process is implemented, what Water Quality of Dianchi Lake deteriorated becomes
Gesture is necessarily controlled.Do not had clear improvement however, the eutrophication of Dian Chi is characterized, be particularly its main body off-lying sea " wawter bloom " still
Large area, for a long time appearance.To find out its cause, entering in Dian Chi in the pollutional load of lake, Rural Plane Source Pollution is not controlled effectively also
System, and the nitrogen of agricultural non-point source pollution, contribution ratio of phosphor are more than 50%.So, strengthen to the processing of rural and agricultural sewage currently
Seem particularly urgent.
Agricultural planting type around current Dian Chi is mainly the greenhouse gardening of vegetables and flowers, and greenhouse is dispersed with region
The agriculture irrigation ditch canal of up to a hundred, has substantial amounts of pollutant and is discharged into Dian Chi by agriculture irrigation ditch canal every year.Cut dirty dry around current Dian Chi
Canal and supporting sewage plant, which have been built, to be completed and puts into operation, but its disposal ability or limited, can not be all agricultures
The sewage of irrigation ditch canal is all collected.Again because greenhouse gardening is different from traditional crop-planting, the agricultural area source in greenhouse region is dirty
The characteristics of being infected with its own, its major pollutants are total phosphorus（TP）, especially dissolubility total phosphorus（DTP）.Water quality and quantity changes
Different from traditional agriculture pollution of area source, due to the covering of greenhouse, the depression reservoir storage of earth's surface is reduced and impermeability increase, is caused
The runoff coefficient increase in greenhouse region, rainfall production confluxes very fast, run-off increase, and there is certain first flush, so
The early stage Runoff contaminants concentration of rainfall is higher than later stage runoff.In addition, the design of catch basin at present is dirty for city mostly
Water, unsuitable agricultural non-point source pollution.
Based on factors above, it is necessary to design a closure works system for Dian Chi agricultural non-point source pollution, with identical section
Dam more pollutants to the full extent in the case of streamflow, this stable operation to follow-up sewage plant and to Dian Chi water ring
The protection in border all plays vital effect.
In other rural areas or fringe area, the agricultural planting type similar with Dian Chi is equally existed, similar
The problem of agricultural non-point source pollution and inadequate sewage plant disposal ability.
The content of the invention
For deficiencies of the prior art, problem solved by the invention is, how to provide a kind of for agriculture
Industry pollution of area source, the agricultural non-point source pollution for the more multi-pollutant that can dam in the case of identical water of damming, which is efficiently dammed, is
System.
The present invention also provides a kind of agricultural non-point source pollution and efficiently dammed control method.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of efficient closure works system of agricultural non-point source pollution, in agriculture irrigation ditch canal end provided with the canal that dams, the canal that dams is by cutting
Stream well, dam control device and inspection well construction；Filled in agriculture on trench sidewall with each Vatch basin correspondence position provided with delivery port,
The delivery port constitutes the water inlet of correspondence Vatch basin, and the water outlet of Vatch basin enters inspection shaft, inspection shaft delivery port by the mouth that dams
It is connected with sewage pipe；
The control device that dams includes gate, headstock gear, ultrasonic open-channel meter and control unit, and the gate locating is being cut
Stream well is interior and is close to the mouth that dams, for being opened and closed the mouth that dams；The headstock gear is connected to provide shutter opening and closing power with gate；It is described
The probe of ultrasonic open-channel meter is arranged on the top position of maximum water level in Vatch basin, and ultrasonic open-channel meter is used to measure
Dam the flow of WIH；The output of ultrasonic open-channel meter connects control unit, and control unit output end is connected with headstock gear, with
The keying that the flow detected according to ultrasonic open-channel meter passes through headstock gear regulating gate.
As the further optimization of such scheme, the Vatch basin is provided with close to water inlet locations and blocks dirty grid, described to block
The grizzly bar spacing of dirty grid is 30mm；Weir is provided with Vatch basin.
As the further optimization of such scheme, setting pot, setting pot are provided with the interface of Vatch basin and agriculture irrigation ditch canal
Bottom less than damming bottom, bottom of damming fills trench bottom less than agriculture.
As the further optimization of such scheme, the inspection shaft includes shaft bottom, the well bore being made up of side wall, well lid, dirty
Water pipe is arranged on the well bore relative with the mouth that dams, and sewage bottom of the tube is less than a mouthful bottom of damming；Provided with maintenance with climbing on well bore
Ladder, cat ladder is located at below well lid.
As the further optimization of such scheme, described control unit is remote by wireless signal remote transmission device and central control system
Journey is connected, and command signal, remote control headstock gear driving gate opening/closing are sent by central control system.
The present invention also provides a kind of agricultural non-point source pollution and efficiently dammed control method, and the sewage of this method agriculture irrigation ditch canal passes through
The delivery port of side wall enters and dammed in canal, and enters sewage disposal system by the canal that dams, wherein the opening and closing for the mouth that dams is by gate
Control；It is characterized in that：The opening and closing of gate is controlled as follows：
1）Gate original state is set to open；
2）Detection is dammed the flow signal before mouth, and signal is spaced according to set time feeds back to control unit, is controlled
Unit is subtracted the difference in flow σ in each time interval of previous moment flow rate calculation by later moment in time flow；
3）Work as σ>0, and | σ | more than default difference in flow threshold value σ1When, then judge discharge series, control unit starts simultaneously
Time controller starts timing；
4）Work as σ<0, and | σ | more than default difference in flow threshold value σ2When, or when step 3）The timing of middle time controller
During more than setting value, now closed shutter, stops timing；
5）Work as σ<0, and | σ | less than default difference in flow threshold value σ3When, judge that runoff terminates, gate is reopened；
Continuous repeat step 2）-5）, to realize the real-time control to gate.
As the further optimization of such scheme, two kinds of control modes may be selected in gate opening/closing：Control unit field control
With wireless signal teletransmission/remote control.
The principle of institute's foundation of the present invention is as follows：
Uniformity, footpath are had according to the variation tendency of studies have shown that agriculture irrigation ditch canal run-off and its water quality DTP change in concentration
Flow increase with DTP concentration rise positive correlation, in terms of different cultivated land Runoff changing rules, no matter DTP/TP or DTP
The peak value of concentration was both present in 2 hours rainfall durations, and period TP total amounts can account for during whole rainfall TP total amounts in runoff
62.2%~82.5%.From angle of efficiently damming, the present invention uses flow（Liquid level）With ageing control mode, realize to agricultural
The efficient of face source sewage is dammed.
Compared to prior art, the invention has the advantages that：
1st, the efficient closure works system of a kind of agricultural non-point source pollution that the present invention is provided uses flow（Liquid level）With ageing control
The mode of system, can dam more pollutants in the case of identical water of damming to the full extent, than existing skill of damming
Art more simple and effective.
2nd, a kind of efficient closure works system of agricultural non-point source pollution that provides of the present invention both can by the single control of control unit,
Remote control can be carried out by wireless signal teletransmission, it is more perfect relative to prior art control mode, conveniently.
3rd, a kind of control method for the efficient closure works system of agricultural non-point source pollution that the present invention is provided is according to Rural Plane Source Pollution
Typical pollutant index DTP concentration and different farmland types and design, relative to prior art, to rural area face source sewage
Dam control effect more preferably, more targetedly.
Brief description of the drawings
Fig. 1 is the plan of efficiently closure works system of the invention；
Fig. 2 is profiles of the Fig. 1 along line A-A；
Fig. 3 is profiles of the Fig. 1 along line B-B.
In figure, 1- catch basins, 2- gates, 3- headstock gears, 4- ultrasound open-channel meters, 5- control units, 6- cuts dirty pipe, 7-
Dirty grid is blocked, 8- agriculture irrigation ditch canals, 81- agricultures fill trench bottom, 9- setting pots, 10- weirs, 11- inspection shafts, 12- well lids, 13-
Cat ladder.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited to this.
Embodiment：
A kind of efficient closure works system of agricultural non-point source pollution, as shown in FIG. 1 to 3, is interval with some on agriculture irrigation ditch canal
Dam canal, the canal that dams by Vatch basin 1, dam control device and inspection shaft 11 is constituted.
Delivery port is provided with each correspondence position of Vatch basin 1 on the side wall of agriculture irrigation ditch canal 8, the delivery port constitutes correspondence and dammed
The water inlet of well 1, the water outlet of Vatch basin is by the mouth that dams into inspection shaft 11, and the delivery port of inspection shaft 11 is connected with sewage pipe 6, institute
The width for stating catch basin is 800mm.
The control device that dams includes gate 2, headstock gear 3, ultrasonic open-channel meter 4 and control unit 5, and the gate 2 is set
Put in Vatch basin and be close to the mouth that dams, for being opened and closed the mouth that dams；The headstock gear 3 is connected with gate 2 to be opened and closed with providing gate 2
Power；The probe of the ultrasonic open-channel meter 4 is arranged on the top position of maximum water level in Vatch basin 1, ultrasonic channel flow
Gauge 4 is used for the flow for measuring the reclaimed water of Vatch basin 1；The output of ultrasonic open-channel meter 4 connects control unit 5, and control unit 5 is exported
End is connected with headstock gear 3, the keying for passing through the regulating gate 2 of headstock gear 3 with the flow detected according to ultrasonic open-channel meter 4.
Inspection shaft 11 includes shaft bottom, the well bore being made up of side wall, well lid 12, and sidewall thickness is 200mm, and sewage pipe 6 is set
On the well bore relative with the mouth that dams, the bottom of sewage pipe 6 is less than a mouthful bottom of damming；Maintenance cat ladder 13 is provided with well bore, is climbed
Ladder 13 is located at the lower section of well lid 12, facilitates maintenance personal to enter the maintenance and inspection of inspection shaft 11；The well lid is made up of composite plastic；For
Raising water resistance, coats 20mm solid cement mortars on the inside of well bore.
The Vatch basin 1 is provided with close to water inlet locations and blocked between dirty grid 7, high 800mm, the grizzly bar for blocking dirty grid 7
Away from for 30mm；Blocking dirty grid 7 is used to intercept the larger debris of some in water, and its size is depending on the size for the canal 1 that dams.Vatch basin
Inside it is provided with weir 10.
Setting pot 9 is provided with the interface of Vatch basin 1 and agriculture irrigation ditch canal 8, the bottom of setting pot 9 is lower than the bottom of Vatch basin 1
1000mm, the bottom of Vatch basin 1 fills the low 700mm of trench bottom 81 than agriculture.
Described control unit 5 is remotely connected by wireless signal remote transmission device with central control system, and finger is sent by central control system
Signal is made, the driving gate 2 of remote control headstock gear 3 is opened and closed.Data and signal teletransmission are based on wireless 3G network.
The present invention also provides a kind of control method of the efficient closure works system of agricultural non-point source pollution, the dirt of this method agriculture irrigation ditch canal
Water is entered by the delivery port of side wall and dammed in canal, and enters sewage disposal system by the canal that dams, wherein the opening and closing for the mouth that dams
By gate control；The opening and closing of gate is controlled as follows：
1）Gate original state is set to open；
2）The flow signal before the mouth that dams is detected, and signal is spaced according to set time（Embodiment is 1min）Feed back to
Control unit, control unit is subtracted the difference in flow σ in each time interval of previous moment flow rate calculation by later moment in time flow；
3）Work as σ>0（Now flow rises）, and | σ | more than default difference in flow threshold value σ1（Embodiment flow in Dian Chi
Poor threshold value σ1It is set to 0.5LS-1·min-1）When, then judge discharge series, control unit starts time controller and starts meter simultaneously
When；
4）Work as σ<0（Now flow declines）, and | σ | more than default difference in flow threshold value σ2（Embodiment flow in Dian Chi
Poor threshold value σ2It is set to 0.5LS-1·min-1；）When, or when step 3）The timing of middle time controller exceedes setting value（In Yunnan
The embodiment in pond is 120min）When, the peak value of DTP/TP and DTP concentration mistake illustrates most of pollutant dams, now
Stop timing and closed shutter, stop damming, allow cleaning rainwater directly to flow into water body by agriculture irrigation ditch canal；
5）Work as σ<0（Now flow declines）, and | σ | less than default difference in flow threshold value σ3（Embodiment flow in Dian Chi
Poor threshold value σ3It is set to 0.1LS-1·min-1）When, judge that runoff terminates, gate is reopened.
Continuous repeat step 2）-5）, to realize the real-time control to gate.
Two kinds of control modes may be selected in gate opening/closing in above-mentioned control method of damming：The single controls of PLC and wireless signal
Teletransmission/remote control, wherein remote controlled manner are preferential.
Design parameter in above-mentioned control method of damming will be configured because of ground difference by debugging.
The present invention dam control method the characteristics of be that flow and time are combined progress gate control, both can be used for pair
Existing other closure works systems carry out automation control transformation, can be used for efficient closure works system proposed by the present invention.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of inventive technique scheme, it all should cover in this hair
Among bright right.
Claims (7)
- A kind of control method 1. agricultural non-point source pollution is efficiently dammed, the sewage of this method agriculture irrigation ditch canal is entered by the delivery port of side wall Enter to dam in canal, and sewage disposal system is entered by the canal that dams, wherein the opening and closing for the mouth that dams is by gate control；Its feature exists In：The opening and closing of gate is controlled as follows：1）Gate original state is set to open；2）Detection is dammed the flow signal before mouth, and signal is spaced according to set time feeds back to control unit, control unit Subtract the difference in flow σ in each time interval of previous moment flow rate calculation by later moment in time flow；3）Work as σ>0, and | σ | more than default difference in flow threshold value σ1When, then judge discharge series, control unit starts the time simultaneously Controller starts timing；4）Work as σ<0, and | σ | more than default difference in flow threshold value σ2When, or when step 3）The timing of middle time controller, which exceedes, to be set During definite value, now closed shutter, stops timing；5）Work as σ<0, and | σ | less than default difference in flow threshold value σ3When, judge that runoff terminates, gate is reopened；Continuous repeat step 2）-5）, to realize the real-time control to gate.
- The control method 2. agricultural non-point source pollution according to claim 1 is efficiently dammed, it is characterised in that：Gate opening/closing is optional Select two kinds of control modes：Control unit field control and wireless signal teletransmission/remote control.
- The control method 3. agricultural non-point source pollution according to claim 1 is efficiently dammed, it is characterised in that：This control method base Carried out in a kind of efficient closure works system of agricultural non-point source pollution；The efficient closure works system of agricultural non-point source pollution, in agriculture irrigation ditch canal end provided with damming canal, it is described dam canal by Vatch basin, Dam control device and check well construction；Filled in agriculture on trench sidewall with each Vatch basin correspondence position provided with delivery port, this goes out The mouth of a river constitutes the water inlet of correspondence Vatch basin, and the water outlet of Vatch basin enters inspection shaft, inspection shaft delivery port and dirt by the mouth that dams Water pipe is connected；The control device that dams includes gate, headstock gear, ultrasonic open-channel meter and control unit, and the gate locating is in Vatch basin It is interior and be close to the mouth that dams, for being opened and closed the mouth that dams；The headstock gear is connected to provide shutter opening and closing power with gate；The ultrasound The probe of open-channel meter is arranged on the top position of maximum water level in Vatch basin, and ultrasonic open-channel meter dams for measurement The flow of WIH；The output of ultrasonic open-channel meter connects control unit, and control unit output end is connected with headstock gear, with basis The keying that the flow that ultrasonic open-channel meter is detected passes through headstock gear regulating gate.
- The control method 4. agricultural non-point source pollution according to claim 3 is efficiently dammed, it is characterised in that：The Vatch basin is leaned on Nearly water inlet locations are 30mm provided with dirty grid, the grizzly bar spacing for blocking dirty grid is blocked；Weir is provided with Vatch basin.
- The control method 5. agricultural non-point source pollution according to claim 3 is efficiently dammed, it is characterised in that：In Vatch basin and agriculture The interface of irrigation ditch canal is provided with setting pot, and the bottom of setting pot is less than bottom of damming, and bottom of damming is less than agriculture irrigation ditch canal bottom Portion.
- The control method 6. agricultural non-point source pollution according to claim 3 is efficiently dammed, it is characterised in that：The inspection shaft bag Shaft bottom, the well bore being made up of side wall, well lid are included, sewage pipe is arranged on the well bore relative with the mouth that dams, and sewage bottom of the tube is less than Dam a mouthful bottom；Maintenance cat ladder is provided with well bore, cat ladder is located at below well lid.
- The control method 7. agricultural non-point source pollution according to claim 3 is efficiently dammed, it is characterised in that：Described control unit Remotely it is connected with central control system by wireless signal remote transmission device, command signal, remote control headstock gear is sent by central control system Drive gate opening/closing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259032.2A CN105672448B (en) | 2016-04-25 | 2016-04-25 | A kind of efficient closure works system of agricultural non-point source pollution and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259032.2A CN105672448B (en) | 2016-04-25 | 2016-04-25 | A kind of efficient closure works system of agricultural non-point source pollution and control method |
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| CN105672448B true CN105672448B (en) | 2017-08-25 |
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| CN110593189A (en) * | 2019-09-11 | 2019-12-20 | 中国电建集团华东勘测设计研究院有限公司 | Well type water measuring building and method |
| CN111487916A (en) * | 2020-03-27 | 2020-08-04 | 上海新三星给排水设备有限公司 | Intelligent intercepting well backflow prevention gate valve control system and method |
| CN114956458A (en) * | 2022-05-26 | 2022-08-30 | 山西博研生物科技有限公司 | Agricultural non-point source pollution treatment equipment and treatment method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6427718B1 (en) * | 2000-12-06 | 2002-08-06 | The United States Of America As Represented By The Secretary Of The Interior | Automated farm turnout |
| JP2011202472A (en) * | 2010-03-26 | 2011-10-13 | Sekisui Plastics Co Ltd | Catch basin for roadside ditch, and facility for suppressing outflow of rainwater, equipped with the same |
| CN202689170U (en) * | 2012-05-15 | 2013-01-23 | 北京中科奥水环保工程技术有限公司 | Automatic flow dividing device for front-stage rain and middle-back-stage rain flow division |
| CN103628560B (en) * | 2013-11-29 | 2015-09-09 | 重庆大学 | A kind of dam control device and control method with memory function |
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