CN105507221A - Paddy field pollutant joint control consumption device based on liquid level control and method - Google Patents
Paddy field pollutant joint control consumption device based on liquid level control and method Download PDFInfo
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- CN105507221A CN105507221A CN201610030882.5A CN201610030882A CN105507221A CN 105507221 A CN105507221 A CN 105507221A CN 201610030882 A CN201610030882 A CN 201610030882A CN 105507221 A CN105507221 A CN 105507221A
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- level detecting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B2201/00—Devices, constructional details or methods of hydraulic engineering not otherwise provided for
- E02B2201/50—Devices for sequentially discharging constant liquid quantities, e.g. into different irrigation channels
Abstract
The invention discloses a paddy field pollutant joint control consumption device based on liquid level control and a method thereof. A plurality of water collection pipes used for collecting initial runoffs in the device are gathered and then connected into a first reservoir; one end of a water feeding pump is connected with the first reservoir through a pipe, and the other end of the water feeding pump is connected with a paddy field water inlet; a paddy field is divided into a plurality of strip-like field pieces, and control valves are arranged; a paddy field water outlet is connected with a second reservoir which is connected with the paddy field water inlet through a reflux pump; a first water level detection device is arranged in the first reservoir, a second water level detection device is arranged in the paddy field, a third water level detection device is arranged in the second reservoir, and a control device controls the running states of all elements. The device has the advantages that the initial runoffs with a high pollutant concentration and large harm to a water body can be reasonably accumulated in the reservoirs and used for irrigation in a non-rainfall period, and the paddy field is used as an ecological wetland for pollutant consumption.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of rice field pollutant joint control based on Liquid level and dissolve device and method.
Background technology
Along with the generation of the great blue algae bloom event such as Taihu Lake, Dian Chi, widespread pollution from the overuse of fertilizers and pesticides in rural area problem comes into one's own day by day.Among a series of science and technology action concerning national economy that recent country and local relevant departments implement, agricultural area source pollutants comprehensive discharge controls to be focus content.
At present; plant husbandry production and operation in Zhejiang Province's is just with " high investment, high production, high benefit " fast development; simultaneously by the impact of subtropical monsoon climate; most crop growth period is many to be overlapped with rainy season; the excessive rainfall that typhoon weather causes makes modern profitable agriculture activity in production that is intensive, scale inevitably produce a large amount of surface flow draining; cause a large amount of nitrogen in planting base, phosphorus nutrition material by the direct entered environment water body of escape canal; greatly reduce chemical fertilizer utilization ratio, very large negative effect is also produced to receiving water body.General in a rainfall, account for the Initial Runoff of yielding flow 20% or 25%, wash away and discharged 50% of runoff pollution amount.Therefore, being the key reducing plant husbandry nitrogen, phosphorus nutrition mass emissions to the process of early-stage rainwater runoff with disposing, surrounding body water quality being improved for entirety most important.
Therefore, develop and a set ofly can make full use of rainfall Initial Runoff and the system reducing that fertilizer in plant husbandry applies, imperative.
Summary of the invention
The object of the invention is to solve problems of the prior art, and provide a kind of rice field pollutant joint control based on Liquid level to dissolve device and method.Concrete technical scheme is as follows:
A kind of rice field pollutant joint control based on Liquid level is dissolved device, comprise receive waterpipe, the first reservoir, control device, intake pump, rice field, regulating gate, the second reservoir, reflux pump, go out sluice gate, the first level detecting device, the second level detecting device and the 3rd level detecting device, some are connected into the first reservoir for collecting receiving after waterpipe collects of Initial Runoff, intake pump is connected with the first reservoir by pipeline one end, and the other end is connected with rice field water inlet; Rice field is divided into the sub-field of some block length bar shapeds, and the ridge between connected sub-field all arranges regulating gate, and be crisscross arranged Initial Runoff that water inlet is flowed into of regulating gate need flow through longest distance and could discharge from delivery port; The delivery port in rice field is connected with the second reservoir, and the second reservoir is connected with the water inlet in rice field by reflux pump; The first level detecting device is provided with in first reservoir, the second level detecting device is provided with in rice field, be provided with the 3rd level detecting device in second reservoir, control device and regulating gate, intake pump, reflux pump, go out sluice gate first level detecting device, the second level detecting device and be connected with the 3rd level detecting device and control its running status.
As preferably, the first described level detecting device is provided with the first inductor, the second inductor and the 3rd inductor, and the first inductor, the second inductor and the height residing for the 3rd inductor are respectively the upper limit water level of the first reservoir, priming level and lower limit water level.
As preferably, the second described level detecting device adopts U-tube, perforate on second level detecting device side section tubular wall is also imbedded in paddy soil, and opposite side is suspended on outside ridge, is provided with the 4th inductor, the 5th inductor in the second level detecting device unsettled side body; 4th inductor is located at above 5-8cm place, earth's surface, and the 5th inductor is located at above 2-4cm place, earth's surface.
As preferably, the 3rd described level detecting device is provided with 6th sense and answers device and the 7th inductor, is arranged at upper limit water level and the lower limit water level place of the second reservoir respectively.
As preferably, be also provided with the rainfall inductor be connected with control device, described the first gate valve being also provided with between waterpipe and the first reservoir and controlling to intake of receiving, the first gate valve is by control device device.
As further preferably, the first described gate valve front end receive waterpipe with surmount pipeline and be connected, surmount pipeline and be provided with the second gate valve and the 3rd gate valve that are controlled by control device, the pipeline that surmounts of the second gate valve front end is connected with rice field water inlet; The pipeline that surmounts between second gate valve and the 3rd gate valve is connected with the second reservoir.
As preferably, it is characterized in that, the interlock opening and closing of several regulating gates or opening and closing separately.
As preferably, the first described reservoir and/or the second reservoir adopt natural pond or river course.
Utilize the Initial Runoff rice field pollutant joint control of described device to dissolve a method, step is as follows:
1) waterpipe of receiving is laid in Initial Runoff catchment, the runoff in catchment can be confluxed and enter in the first reservoir;
2) set the first gate valve to close in original state, regulating gate is all opened, water outlet closing gate;
3) when rainfall inductor senses that this amount of precipitation reaches default initiation value and the first reservoir water level does not reach the second inductor on the first level detecting device, the first gate valve opened by control device, entered in the first reservoir by the Initial Runoff received in waterpipe and stores; When rainfall inductor sense that this amount of precipitation reaches default initiation value and the first reservoir middle water level has reached the first inductor on the first level detecting device, water level in paddy field does not reach the 4th inductor on the second level detecting device, then control device cuts out the first gate valve and cuts out the second gate valve, and the Initial Runoff received in waterpipe is entered rice field; When rainfall inductor sense that this amount of precipitation reaches default initiation value and the first reservoir middle water level has reached the first inductor on the first level detecting device, water level in paddy field reaches the 4th inductor on the second level detecting device, the second reservoir middle water level 6th sense do not reached on the 3rd level detecting device answers device time, then control device cuts out the first gate valve, opens the second gate valve and cuts out the 3rd gate valve, and the Initial Runoff received in waterpipe is entered the second reservoir; When rainfall inductor sense that this amount of precipitation reaches default initiation value and the first reservoir middle water level has reached the first inductor on the first level detecting device, water level in paddy field reaches the 4th inductor on the second level detecting device, the second reservoir middle water level 6th sense reached on the 3rd level detecting device answers device time, then control device cuts out the first gate valve, opens the second gate valve and the 3rd gate valve, is directly discharged by surmounting pipeline by the Initial Runoff received in waterpipe; When rainfall inductor senses that this amount of precipitation reaches default close value, control device cuts out the first gate valve and opens the second gate valve and the 3rd gate valve, is directly discharged by surmounting pipeline by the Initial Runoff received in waterpipe;
4) reach the second inductor on the first level detecting device when the first reservoir water level, water level in paddy field is not when reaching the 4th inductor on the second level detecting device, control device starts intake pump and enters in rice field by the runoff in the first reservoir; When the first reservoir water level is lower than the 3rd inductor on the first level detecting device, control device cuts out intake pump;
5) in rainfall, go out sluice gate and carry out intermittent opening and closing by control device depending on rice field Soil surface water height, when water level in paddy field more than the 4th inductor on the second level detecting device is, open flowing water Valve, the runoff of discharge is accumulated in the second reservoir for backflow; When not reaching the 4th inductor on the second level detecting device when water level in paddy field, close flowing water Valve;
6) when the second reservoir water level 6th sense reached on the 3rd level detecting device answer device, water level in paddy field do not reach the 4th inductor on the second level detecting device time, control device open reflux pump; When the second reservoir water level 6th sense reached on the 3rd level detecting device answer device, water level in paddy field reach the 4th inductor on the second level detecting device time, control device closing volume pump; When the second reservoir water level is lower than the 7th inductor on the 3rd level detecting device, control device closing volume pump;
7) at the end of rainfall inductor senses this rainfall, control device cuts out the first gate valve and go out sluice gate, opens intake pump and reflux pump according to rice field Soil surface water height, is used for by Initial Runoff irrigating, and reaches pollutant and to dissolve function.
Preferred as said method, described default initiation value is the amount of precipitation that Initial Runoff catchment can be made to produce Initial Runoff; The amount of precipitation that described default close value is the Initial Runoff pollutant levels that Initial Runoff catchment is produced when being 2 ~ 5 times of pollutant levels in rainwater.
The invention has the beneficial effects as follows can pollutant levels are higher, the larger Initial Runoff of water body harm is reasonably accumulated in reservoir, and carry out irrigation at non-duration of raining, pollutant carried out as an ecological wetland in rice field and dissolves.And by the rice field of particular design, the time of staying of runoff water at utmost can be extended, reach peak discharge and to dissolve the object of pollutant.
Accompanying drawing explanation
Fig. 1 is that a kind of rice field pollutant joint control based on Liquid level is dissolved the schematic diagram of device;
Fig. 2 is provided with the rice field pollutant joint control based on Liquid level surmounting pipeline to dissolve the schematic diagram of device;
Fig. 3 is the first level detecting device structural representation of the present invention;
Fig. 4 is the second level detecting device structural representation of the present invention;
Fig. 5 is the second level detecting device mounting means schematic diagram of the present invention;
Fig. 6 is the 3rd level detecting device structural representation of the present invention.
In figure: receive waterpipe 1, first reservoir 3, control device 4, rainfall inductor 5, intake pump 6, rice field 7, regulating gate 8, second reservoir 9, reflux pump 10, surmount pipeline 11, go out sluice gate 12, second gate valve 13, first level detecting device 14, second level detecting device 15, the 3rd level detecting device 16 and the 3rd gate valve 17.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, a kind of rice field pollutant joint control based on Liquid level is dissolved device, comprise receive waterpipe 1, first reservoir 3, control device 4, intake pump 6, rice field 7, regulating gate 8, second reservoir 9, reflux pump 10, go out sluice gate 12, first level detecting device 14, second level detecting device 15 and the 3rd level detecting device 16, some are connected into the first reservoir 3 for collecting receiving after waterpipe 1 collects of Initial Runoff, receive waterpipe 1 by flow by gravity mode, but encounter low-lying place pumping plant also can be adopted to draw water form.Intake pump 6 is connected with the first reservoir 3 by pipeline one end, and the other end is connected with rice field 7 water inlet; Rice field 7 is the field under conventional tillage state originally, is divided into the sub-field of some block length bar shapeds herein, is all separated by by the ridge of 15 ~ 25cm between each sub-field, and the ridge between the sub-field be connected all arranges regulating gate 8.The effect of regulating gate 8 selects to open or close, to regulate the height of water level of adjacent two sub-fields according to actual conditions.Regulating gate 8 is crisscross arranged, and the regulating gate 8 on two namely adjacent ridges is separately positioned on different sides, and make water inlet be that bow font flows to, the Initial Runoff of inflow need flow through longest distance and could discharge from delivery port.Several regulating gates 8 link opening and closing or separately opening and closing, and regulating gate 8 is opening under normal circumstances, and runoff water can bend font circulation, only when different field needs to adopt Different Irrigation pattern, and can controlling water level height separately.The delivery port in rice field 7 is connected with the second reservoir 9, and the second reservoir 9 is connected with the water inlet in rice field 7 by reflux pump 10; The first level detecting device 14 is provided with in first reservoir 3, the second level detecting device 15 is provided with in rice field 7, be provided with the 3rd level detecting device 16 in second reservoir 9, control device 4 and regulating gate 8, intake pump 6, reflux pump 10, go out sluice gate 12 first level detecting device 14, second level detecting device 15 and be connected with the 3rd level detecting device 16 and control its running status.When the runoff water concentration of rice field 7 discharge is higher, can be used for the farmland refluxing or irrigate other.
In order to the automatic Internet of Things that can realize based on water level is irrigated, as shown in Figure 3, the first described level detecting device 14 is provided with the first inductor 1401, second inductor 1402 and the 3rd inductor 1403, first inductor 1401, second inductor 1402 and the height residing for the 3rd inductor 1403 and is respectively the upper limit water level of the first reservoir 3, priming level and lower limit water level.Simultaneously, as shown in Figures 4 and 5, second level detecting device 15 can adopt U-tube, perforate on second level detecting device 15 side section tubular wall is also imbedded in paddy soil, opposite side is suspended on outside ridge, is provided with the 4th inductor 1501, the 5th inductor 1502 in the second level detecting device 15 unsettled side body; 4th inductor 1501 is located at above 5-8cm place, earth's surface, and the 5th inductor 1502 is located at above 2-4cm place, earth's surface.And as shown in Figure 6, the 3rd level detecting device 16 is provided with 6th sense and answers device 1601 and the 7th inductor 1602, be arranged at upper limit water level and the lower limit water level place of the second reservoir 9 respectively.Above-mentioned three kinds of level detecting devices can according to the selective use of actual conditions.
As shown in Figure 2, in order to prevent storm period reservoir, rice field overfill overflow, also be provided with the rainfall inductor 5 be connected with control device 4 in system, described the first gate valve 2, first gate valve 2 that is also provided with between waterpipe 1 and the first reservoir 3 and controls to intake received is by control device 4 device.First gate valve 2 front end receive waterpipe 1 with surmount pipeline 11 and be connected, surmount the pipeline 11 that surmounts that pipeline 11 is provided with the second gate valve 13 and the 3rd gate valve 17, second gate valve 13 front end controlled by control device 4 and be connected with rice field 7 water inlet; The pipeline 11 that surmounts between second gate valve 13 and the 3rd gate valve 17 is connected with the second reservoir 9.
The first described reservoir 3 and/or the second reservoir 9 adopt natural pond or river course, to reduce the destruction to ecological environment, can utilize again local environment to greatest extent.
Based on said apparatus, can also arrange one and utilize the Initial Runoff rice field pollutant joint control of this device (device in conjunction with after above-mentioned all technical characteristics) to dissolve method, step is as follows:
1) waterpipe 1 of receiving is laid in Initial Runoff catchment, the runoff in catchment can be confluxed and enter in the first reservoir 3;
2) set the first gate valve 2 to close in original state, regulating gate 8 is all opened, and goes out sluice gate 12 and closes;
3) when rainfall inductor 5 senses that this amount of precipitation reaches default initiation value and the first reservoir 3 water level does not reach the second inductor 1402 on the first level detecting device 14, the first gate valve 2 opened by control device 4, entered by the Initial Runoff received in waterpipe 1 in first reservoir 3 and stores; When rainfall inductor 5 sense that this amount of precipitation reaches default initiation value and the first reservoir 3 middle water level has reached the first inductor 1401 on the first level detecting device 14, rice field 7 water level does not reach the 4th inductor 1501 on the second level detecting device 15, then control device 4 cuts out the first gate valve 2 and cuts out the second gate valve 13, and the Initial Runoff received in waterpipe 1 is entered rice field 7; When rainfall inductor 5 sense that this amount of precipitation reaches default initiation value and the first reservoir 3 middle water level has reached the first inductor 1401 on the first level detecting device 14, rice field 7 water level the 4th inductor 1501, the second reservoir 9 middle water level 6th sense do not reached on the 3rd level detecting device 16 reached on the second level detecting device 15 answer device 1601 time, then control device 4 cuts out the first gate valve 2, opens the second gate valve 13 and cuts out the 3rd gate valve 17, the Initial Runoff received in waterpipe 1 is entered the second reservoir 9; When rainfall inductor 5 sense that this amount of precipitation reaches default initiation value and the first reservoir 3 middle water level has reached the first inductor 1401 on the first level detecting device 14, rice field 7 water level the 4th inductor 1501, the second reservoir 9 middle water level 6th sense reached on the 3rd level detecting device 16 reached on the second level detecting device 15 answer device 1601 time, then control device 4 cuts out the first gate valve 2, opens the second gate valve 13 and the 3rd gate valve 17, is directly discharged by surmounting pipeline 11 by the Initial Runoff received in waterpipe 1; When rainfall inductor 5 senses that this amount of precipitation reaches default close value, control device 4 cuts out the first gate valve 2 and opens the second gate valve 13 and the 3rd gate valve 17, is directly discharged by surmounting pipeline 11 by the Initial Runoff received in waterpipe 1;
4) reach the second inductor 1402 on the first level detecting device 14 when the first reservoir 3 water level, rice field 7 water level is not when reaching the 4th inductor 1501 on the second level detecting device 15, control device 4 starts intake pump 16 and enters in rice field 7 by the runoff in the first reservoir 3; When the first reservoir 3 water level is lower than the 3rd inductor 1403 on the first level detecting device 14, control device 4 cuts out intake pump 16;
5) in rainfall, go out sluice gate 12 and carry out intermittent opening and closing by control device 4 depending on rice field 7 Soil surface water height, when rice field 7 water level more than the 4th inductor 1501 on the second level detecting device 15 is, open flowing water Valve 12, the runoff of discharge is accumulated in the second reservoir 9 for backflow; When rice field 7 water level does not reach the 4th inductor 1501 on the second level detecting device 15, close flowing water Valve 12;
6) when the second reservoir 9 water level 6th sense reached on the 3rd level detecting device 16 answer device 1601, rice field 7 water level do not reach the 4th inductor 1501 on the second level detecting device 15 time, reflux pump 10 opened by control device 4; When the second reservoir 9 water level 6th sense reached on the 3rd level detecting device 16 answer device 1601, rice field 7 water level reach the 4th inductor 1501 on the second level detecting device 15 time, control device 4 closing volume pump 10; When the second reservoir 9 water level is lower than the 7th inductor 1602 on the 3rd level detecting device 16, control device 4 closing volume pump 10;
7) at the end of rainfall inductor 5 senses this rainfall, control device 4 cuts out the first gate valve 2 and goes out sluice gate 12, opens intake pump 6 and reflux pump 10 according to rice field 7 Soil surface water height, is used for by Initial Runoff irrigating, and reaches pollutant and to dissolve function.
Described default initiation value is the amount of precipitation that Initial Runoff catchment can be made to produce Initial Runoff, and this value is determined by rainfall-runoff test.The amount of precipitation that described default close value is the Initial Runoff pollutant levels that Initial Runoff catchment is produced when being 2 ~ 5 times of pollutant levels in rainwater.Under this concentration, in runoff, pollutant can not cause too large harm to water body, and due to concentration not high, the treatment effeciency of rice field wet land system is not high yet, can directly discharge.
Claims (10)
1. the rice field pollutant joint control based on Liquid level is dissolved device, it is characterized in that, comprise and receive waterpipe (1), first reservoir (3), control device (4), intake pump (6), rice field (7), regulating gate (8), second reservoir (9), reflux pump (10), go out sluice gate (12), first level detecting device (14), second level detecting device (15) and the 3rd level detecting device (16), some are connected into the first reservoir (3) for collecting receiving after waterpipe (1) collects of Initial Runoff, intake pump (6) is connected with the first reservoir (3) by pipeline one end, the other end is connected with rice field (7) water inlet, rice field (7) is divided into the sub-field of some block length bar shapeds, ridge between the sub-field be connected all arranges regulating gate (8), and be crisscross arranged Initial Runoff that water inlet is flowed into of regulating gate (8) need flow through longest distance and could discharge from delivery port, the delivery port in rice field (7) is connected with the second reservoir (9), and the second reservoir (9) is connected by the water inlet of reflux pump (10) with rice field (7), the first level detecting device (14) is provided with in first reservoir (3), the second level detecting device (15) is provided with in rice field (7), be provided with the 3rd level detecting device (16) in second reservoir (9), control device (4) with regulating gate (8), intake pump (6), reflux pump (10), go out sluice gate (12) first level detecting device (14), the second level detecting device (15) is connected with the 3rd level detecting device (16) and controls its running status.
2. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, described the first level detecting device (14) is provided with the first inductor (1401), the second inductor (1402) and the 3rd inductor (1403), and the first inductor (1401), the second inductor (1402) and the height residing for the 3rd inductor (1403) are respectively the upper limit water level of the first reservoir (3), priming level and lower limit water level.
3. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, described the second level detecting device (15) adopts U-tube, perforate on the section tubular wall of second level detecting device (15) side is also imbedded in paddy soil, opposite side is suspended on outside ridge, is provided with the 4th inductor (1501), the 5th inductor (1502) in the body of the second level detecting device (15) unsettled side; 4th inductor (1501) is located at above 5-8cm place, earth's surface, and the 5th inductor (1502) is located at above 2-4cm place, earth's surface.
4. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, the 3rd described level detecting device (16) is provided with 6th sense and answers device (1601) and the 7th inductor (1602), is arranged at upper limit water level and the lower limit water level place of the second reservoir (9) respectively.
5. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, also be provided with the rainfall inductor (5) be connected with control device (4), described the first gate valve (2) being also provided with between waterpipe (1) and the first reservoir (3) and controlling to intake of receiving, the first gate valve (2) is by control device (4) device.
6. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 5, it is characterized in that, described the first gate valve (2) front end receive waterpipe (1) with surmount pipeline (11) and be connected, surmount pipeline (11) and be provided with the second gate valve (13) and the 3rd gate valve (17) that are controlled by control device (4), the pipeline (11) that surmounts of the second gate valve (13) front end is connected with rice field (7) water inlet; The pipeline (11) that surmounts between second gate valve (13) and the 3rd gate valve (17) is connected with the second reservoir (9).
7. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, several regulating gates (8) interlock opening and closing or opening and closing separately.
8. to dissolve device based on the rice field pollutant joint control of Liquid level as claimed in claim 1, it is characterized in that, described the first reservoir (3) and/or the second reservoir (9) adopt natural pond or river course.
9. utilize the Initial Runoff rice field pollutant joint control of device as claimed in claim 6 to dissolve a method, it is characterized in that, step is as follows:
1) waterpipe (1) of receiving is laid in Initial Runoff catchment, the runoff in catchment can be confluxed and enter in the first reservoir (3);
2) set the first gate valve (2) to close in original state, regulating gate (8) is all opened, and goes out sluice gate (12) and closes;
3) when rainfall inductor (5) senses that this amount of precipitation reaches default initiation value and the first reservoir (3) water level does not reach the second inductor (1402) on the first level detecting device (14), the first gate valve (2) opened by control device (4), entered in the first reservoir (3) by the Initial Runoff received in waterpipe (1) and stores, when rainfall inductor (5) sense that this amount of precipitation reaches default initiation value and the first reservoir (3) middle water level has reached the first inductor (1401) on the first level detecting device (14), rice field (7) water level does not reach the 4th inductor (1501) on the second level detecting device (15), then control device (4) cuts out the first gate valve (2) and cuts out the second gate valve (13), and the Initial Runoff received in waterpipe (1) is entered rice field (7), when rainfall inductor (5) senses that this amount of precipitation reaches default initiation value and the first reservoir (3) middle water level has reached the first inductor (1401) on the first level detecting device (14), rice field (7) water level reaches the 4th inductor (1501) on the second level detecting device (15), when second reservoir (9) the middle water level 6th sense do not reached on the 3rd level detecting device (16) answers device (1601), then control device (4) cuts out the first gate valve (2), open the second gate valve (13) and close the 3rd gate valve (17), the Initial Runoff received in waterpipe (1) is entered the second reservoir (9), when rainfall inductor (5) senses that this amount of precipitation reaches default initiation value and the first reservoir (3) middle water level has reached the first inductor (1401) on the first level detecting device (14), rice field (7) water level reaches the 4th inductor (1501) on the second level detecting device (15), when second reservoir (9) the middle water level 6th sense reached on the 3rd level detecting device (16) answers device (1601), then control device (4) cuts out the first gate valve (2), open the second gate valve (13) and the 3rd gate valve (17), the Initial Runoff received in waterpipe (1) is directly discharged by surmounting pipeline (11), when rainfall inductor (5) senses that this amount of precipitation reaches default close value, control device (4) cuts out the first gate valve (2) and opens the second gate valve (13) and the 3rd gate valve (17), is directly discharged by surmounting pipeline (11) by the Initial Runoff received in waterpipe (1),
4) reach the second inductor (1402) on the first level detecting device (14) when the first reservoir (3) water level, rice field (7) water level is not when reaching the 4th inductor (1501) on the second level detecting device (15), control device (4) starts intake pump (16) and enters in rice field (7) by the runoff in the first reservoir (3); When the first reservoir (3) water level is lower than the 3rd inductor (1403) on the first level detecting device (14), control device (4) cuts out intake pump (16);
5) in rainfall, go out sluice gate (12) and carry out intermittent opening and closing by control device (4) depending on rice field (7) Soil surface water height, when rice field (7) water level more than the 4th inductor (1501) on the second level detecting device (15) is, open flowing water Valve (12), the runoff of discharge is accumulated in the second reservoir (9) for backflow; When not reaching the 4th inductor (1501) on the second level detecting device (15) when rice field (7) water level, close flowing water Valve (12);
6) when the second reservoir (9) the water level 6th sense reached on the 3rd level detecting device (16) answer device (1601), rice field (7) water level do not reach the 4th inductor (1501) on the second level detecting device (15) time, control device (4) open reflux pump (10); When the second reservoir (9) the water level 6th sense reached on the 3rd level detecting device (16) answer device (1601), rice field (7) water level reach the 4th inductor (1501) on the second level detecting device (15) time, control device (4) closing volume pump (10); When the second reservoir (9) water level is lower than the 7th inductor (1602) on the 3rd level detecting device (16), control device (4) closing volume pump (10);
7) at the end of rainfall inductor (5) senses this rainfall, control device (4) cuts out the first gate valve (2) and goes out sluice gate (12), intake pump (6) and reflux pump (10) is opened according to rice field (7) Soil surface water height, Initial Runoff is used for irrigate, reaches pollutant and to dissolve function.
10. a kind of rice field pollutant joint control based on Liquid level is dissolved device and method as claimed in claim 9, it is characterized in that, described default initiation value is the amount of precipitation that Initial Runoff catchment can be made to produce Initial Runoff; The amount of precipitation that described default close value is the Initial Runoff pollutant levels that Initial Runoff catchment is produced when being 2 ~ 5 times of pollutant levels in rainwater.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030882.5A CN105507221B (en) | 2016-01-18 | 2016-01-18 | Paddy field pollutant joint control consumption device based on liquid level control and method |
| US15/554,712 US10414679B2 (en) | 2016-01-18 | 2017-01-17 | Integrated device and method for eliminating initial runoff pollution |
| PCT/CN2017/071352 WO2017124995A1 (en) | 2016-01-18 | 2017-01-17 | Device and method for joint control and disposal of initial runoff pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030882.5A CN105507221B (en) | 2016-01-18 | 2016-01-18 | Paddy field pollutant joint control consumption device based on liquid level control and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105507221A true CN105507221A (en) | 2016-04-20 |
| CN105507221B CN105507221B (en) | 2017-04-19 |
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| CN201610030882.5A Active CN105507221B (en) | 2016-01-18 | 2016-01-18 | Paddy field pollutant joint control consumption device based on liquid level control and method |
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| CN105507221B (en) | 2017-04-19 |
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