CN106020295A - Intelligently controlled farmland non-point source wetland purification system and control method thereof - Google Patents
Intelligently controlled farmland non-point source wetland purification system and control method thereof Download PDFInfo
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- CN106020295A CN106020295A CN201610368077.3A CN201610368077A CN106020295A CN 106020295 A CN106020295 A CN 106020295A CN 201610368077 A CN201610368077 A CN 201610368077A CN 106020295 A CN106020295 A CN 106020295A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides an intelligently controlled farmland non-point source wetland purification system and a control method thereof. The purification system comprises a plurality of wetland sub-modules, an intelligent control sub-module and a rescuing and water supplementing module. The wetland sub-module is used for receiving and storing farmland non-point source incoming water and purifying the farmland non-point source incoming water through biological purification function and storing or outputting the purified incoming water. The intelligent control sub-module is used for controlling water level, water inlet amount, water outlet amount, water returning irrigation water amount and water supplementing amount of the wetland sub-module according to hydrologic data, water quality data and meteorological data. The rescuing and water supplementing module is used for feeding the farmland non-point source incoming water stored by the wetland sub-module and/or the purified farmland non-point incoming water back to the farmland for irrigation through starting and stopping a water pump.
Description
Technical field
The invention belongs to ecological, environmental protective technical field, be specifically related to a kind of source, face, intelligent control farmland wetland purification system and control method
Background technology
Along with the development of green technology, point-source pollution is gradually controlled, and pollution of area source is increasingly becoming the difficult point of improvement, and wherein village and agricultural non-point pollution are especially prominent.Along with washing away of rainfall, the pollution of area source such as rainfall runoff enter the water bodys such as farmland ditch, river, lake, wherein the pollutant load of early-stage rainwater proportion during whole rainfall runoff is the highest, especially the pollution of area source water such as wet season early-stage rainwater, agricultural run-off.If therefore effectively collecting early-stage rainwater, return water of farmland irrigation and focus on, it is possible to effectively reduce the nutritive salt such as nitrogen, phosphorus and flow into receiving water body, and then protection storage water quality, control catchment pollution of area source.
Pollution of area source wetland purification technology is the combination process that a kind of natural purification combines with artificial treatment, mainly utilize the effects such as substrate, plant and microorganism that pollution of area source is purified, there is the advantages such as small investment, simple to operate, maintenance and operating cost are low, be one of improvement important technical with Control the Plan Pollution Sources.But from existing about the Patent of wetland technology in terms of, patented invention, it is important that the biological design of wetland structure and wetland purification, has no about the patent for wetland optimized control.Although indivedual patents relate to automatic control function, a kind of simple automatic control system as disclosed in Chinese patent " tandem river water quality improves and water resource is regulated and stored method " (CN102329000A), but it is only limitted to propose simple concentration feedback control and two kinds of principles of water lev el control, does not provide concrete control logic.
Problem big for the variation water quality existed during wetland variation agricultural run-off pollution of area source for this, that rain shadow Xiangshui County amount change of accepting a surrender is big, needs in the industry a kind of effective and efficient Based Intelligent Control wetland purification system of offer badly.
Summary of the invention
Present invention aim at having installed additional general water level, ammonia nitrogen, turbidity transducer in wetland appropriate location, cross aquaporin at wetland import, outlet, unit gate is installed, in wetland back pool, install general control water pump additional, use and be wirelessly transferred realization collection data and control signal remote transmission；By considering real-time rainfall, prediction rainfall, water level, water concentration parameter, design the optimum water level of each wetland subelement, the turnover water yield, backwater duty and moisturizing water yield intelligent control program, promote the purification efficiency of pollution of area source.
For reaching above-mentioned purpose, the present invention specifically provides a kind of source, face, intelligent control farmland wetland purification system, and described cleaning system comprises multiple wetland submodule, Based Intelligent Control submodule and reuse and moisturizing module；Described wetland submodule is used for receiving, storing source, face, farmland water, and stores or export after purifying source, face, described farmland water by biological purification；Described Based Intelligent Control submodule, for according to the hydrology, water quality and meteorological data, controls described wetland submodule water level, the turnover water yield, backwater duty and the moisturizing water yield；Described reuse and moisturizing module are for by opening and closing water pump, and source, face, the described farmland water after described farmland source, the face water stored by described wetland submodule and/or purification is recycled to field irrigation.
In the wetland purification system of source, face, above-mentioned intelligent control farmland, it is preferred that described Based Intelligent Control submodule comprises sensing unit, data transmission unit, processing and analysis unit and lock/valve control unit；Described sensing unit comprises multiple sensor, and described sensor is arranged in intake tunnel mouth or the exhalant canal mouth external water area of multiple described wetland submodule, for detecting water level and/or the water quality data in described waters；Described data transmission unit comprises data acquisition unit and data link, for the water level described sensor acquisition obtained and/or water quality data output extremely described processing and analysis unit；Described processing and analysis unit is for according to described water level and/or water quality data, sending control information by preset value and control described lock/valve control unit, regulating gate aperture and the switch of valve；Described lock/valve control unit is included into sluice gate, goes out sluice gate, excessively sluice gate, sluice gate and pipeline valve.Described inlet gate is arranged at described wetland submodule intake tunnel mouth, described water outlet gate locating is in described wetland submodule exhalant canal mouth, what described sluice gate excessively was arranged between multiple described wetland submodule crosses in aquaporin, described sluice gate is positioned at pool end, described pipeline valve is arranged at being connected on pipeline of described reuse and moisturizing module and described wetland submodule, described lock/valve control unit controls described inlet gate for the control information sent according to described processing unit, go out sluice gate, cross sluice gate, sluice gate aperture and the switch of pipeline valve.
In the wetland purification system of source, face, above-mentioned intelligent control farmland, preferably, described Based Intelligent Control submodule also comprises communication unit, described communication unit is connected with described processing and analysis unit, for receiving Artificial Control instruction and the Weather information that terminal controller sends, and obtain described water level and/or water quality data by described processing unit and feed back to described terminal controller.
In the wetland purification system of source, face, above-mentioned intelligent control farmland, it is preferred that described reuse and moisturizing module comprise reuse tank, moisturizing pond, backwater water pump and moisturizing water pump；Described reuse tank is arranged at the lowered zones of described wetland submodule, and described backwater water pump is arranged in described reuse tank, for backwater is delivered to field irrigation；Described moisturizing pond is arranged at the outer catchment of wetland, and described moisturizing water pump is arranged in moisturizing pond, for wetland submodule moisturizing.
The present invention also provides for a kind of control method being applicable to source, face, above-mentioned intelligent control farmland wetland purification system, and described method comprises Artificial Control pattern and automatic control mode；Described Artificial Control pattern comprises: the control instruction output sent by the terminal controller received is to described processing and analysis unit, controlled described lock/valve control unit regulating gate aperture by described processing and analysis unit, regulate each water flow crossing aquaporin and control the switch of pipeline valve；Described automatic control mode comprises: cycle period by pre-conditioned with obtain Weather information by described communication unit and obtain water level and/or water quality data output to described processing and analysis unit, for the analyses and comparison of described processing and analysis unit by described sensing unit；Described Weather information and/or described water level and/or water quality data are judged according to pre-conditioned being analyzed, when meeting pre-conditioned, control described lock/valve control unit regulating gate aperture, regulate each water flow crossing aquaporin and control the switch of pipeline valve.
In above-mentioned control method, it is preferred that described method also comprises when described Artificial Control pattern is in work, described automatic control mode interruption of work, when described Artificial Control mode ends works, described automatic control mode works.
In above-mentioned control method, it is preferred that described Weather information comprises: current rainfall, recent rainfall and rainfall；Wherein said current precipitation be with current point in time as terminal before 8 hours to 72 hours in the actual rainfall in described wetland submodule region；Described recent rainfall is the prediction rainfall in described wetland submodule region in the current later time predetermined period as starting point；Described rainfall be with current point in time as terminal before 7 days～30 days in the actual rainfall in described wetland submodule region.
In above-mentioned control method, preferably, described automatic control mode also comprises: current rainfall, recent rainfall and rainfall are compared with current rainfall set in advance, recent rainfall and rainfall threshold value respectively, it is thus achieved that the first comparative result；And described water level and/or water quality data are compared with predetermined water level threshold value and predetermined water quality threshold value respectively, it is thus achieved that the second comparative result and the 3rd comparative result；According to described first comparative result, described second comparative result and described 3rd comparative result, from preset multiple control programs, obtain target control scheme；Described lock/valve control unit, regulating gate aperture and valve switch is controlled according to described target control scheme.
In above-mentioned control method, it is preferred that described watermark threshold comprises flood control level, safe high water level, efficient water level and lowest water level；Described flood control level is the peak level height that described wetland submodule allows because of flood control requirement；Described safe high water level is that described wetland submodule maintains the biological purification system can the maximum reserve-water-level height of longtime running；The described wetland submodule that described efficient water level is default realizes reserve-water-level height during biological cleaning high efficiency；Described lowest water level is the lowest water level height maintaining the existence of described wetland submodule.
In above-mentioned control method, preferably, described automatic control mode also comprises: when the water level of described wetland submodule is less than described lowest water level, controls described reuse and moisturizing module and carries out moisturizing to described wetland submodule and/or outside for wetland moisturizing water is filled into described wetland submodule；When the water level of described wetland submodule need to be irrigated higher than described efficient water level and farmland, upstream, control described wetland submodule and carry out backwater irrigation to farmland from chopped-off head wetland to the back pool of final stage wetland successively.
The Advantageous Effects of the present invention is: one is by gathering and control system reform is applicable to the single-stage of conventional various structure or multistage source purifies wetland；Two is automatically to run, it is not necessary to human intervention；Three are introduced into weather parameters to optimize wetland operational mode, can effectively collect early-stage rainwater, farmland water-break, at utmost play the purification function of wetland, improve clean-up effect；Four are available with wetland rainwater of regulating and storing carries out farmland reuse, not only promotes purification efficiency, also saves farmland-use water.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, is not intended that limitation of the invention.In the accompanying drawings:
Fig. 1 is source, face, the farmland overall pie graph of wetland purification system of the present invention；
Fig. 2 is the control subsystem schematic diagram of the present invention.
Drawing reference numeral
101, water inlet water level, water quality sensor 102, inlet gate 103, wetland intake tunnel
104, chopped-off head wetland unit water level, water quality sensor
105, intergrade wetland unit water level, water quality sensor 106, water outlet water level, water quality sensor
107, chopped-off head wetland unit and intergrade wetland unit cross sluice gate
108, chopped-off head wetland unit and intergrade wetland unit cross aquaporin
109, intergrade wetland unit and final stage wetland unit cross sluice gate
110, intergrade wetland unit and final stage wetland unit cross aquaporin
111, sluice gate 112, wetland effluent passage 113, sluice gate are gone out
201, chopped-off head wetland unit reuse tank 202, intergrade wetland unit reuse tank
203, final stage wetland unit reuse tank 204, moisturizing pond 205, chopped-off head wetland unit backwater water pump 206, intergrade wetland unit backwater water pump
207, final stage wetland unit backwater water pump 208, moisturizing water pump
209～217, reuse and moisturizing module pipeline valve
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.Here, the schematic description and description of the present invention is used for explaining the present invention, but not as a limitation of the invention.
The present invention specifically provides a kind of source, face, intelligent control farmland wetland purification system, and described cleaning system comprises multiple wetland submodule, Based Intelligent Control submodule and reuse and moisturizing module；Described wetland submodule is used for receiving, storing source, face, farmland water, and stores or export after purifying source, face, described farmland water by biological purification；Described Based Intelligent Control submodule, for according to the hydrology, water quality and meteorological data, controls described wetland submodule water level, the turnover water yield, backwater duty and the moisturizing water yield；；Described reuse and moisturizing module are for by opening and closing water pump, and source, face, the described farmland water after described farmland source, the face water stored by described wetland submodule and/or purification is recycled to field irrigation.
In the above-described embodiments, described wetland submodule specifically can comprise wetland and come pool, chopped-off head wetland unit, intergrade wetland unit, final stage wetland unit and wetland drainage district, and source, face, farmland water is come pool via wetland and passed through chopped-off head wetland unit, intergrade wetland unit, final stage wetland unit until wetland drainage district with this；Wherein the purification efficiency of chopped-off head wetland unit, intergrade wetland unit and final stage wetland unit is successively decreased successively, and chopped-off head wetland unit purification efficiency is the highest, and final stage wetland unit purification efficiency is the most relatively low,；Wetland units at different levels are equipped with water plug, when this wetland unit water-retention highly need to be irrigated higher than efficient water level and farmland, can be shared to farm irrigation system by pressure by this water plug, and save farmland-use water.
In real work, source, face, described intelligent control farmland wetland purification system can as shown in Figure 1, and the wetland submodule that the present invention includes is come pool and wetland drainage district constituted by aquaporin 108 and 110 (quantity is determined by wetland progression), wetland effluent passage 112, wetland excessively between chopped-off head wetland unit, intergrade wetland unit, final stage wetland unit, wetland intake tunnel 103, wetland at different levels.If wetland is single-stage, first, middle and final stage wetland merges into an entirety, does not has between wetland at different levels to cross aquaporin.Every grade of wetland can be simple natural wetland, it is also possible to is (including the pool, storehouse, oxidation pond etc.) surface flow artificial marshland, undertakes water-retention and the function purified water.Wetland intake tunnel 103 is natural waterway, artificial tunnel or pipeline, is positioned at the head end of chopped-off head wetland unit, undertakes and carrys out, from wetland, the function supplied water to chopped-off head wetland unit in pool.Aquaporin 108 and 110 of crossing between wetlands at different levels is natural waterway, artificial tunnel or pipeline, between two-stage wetland unit, is responsible for the water outlet of higher level's wetland unit is introduced subordinate's wetland unit.Wetland effluent passage 112 is natural waterway, artificial tunnel or pipeline, between final stage wetland unit and wetland drainage district, is responsible for the water outlet of final stage wetland unit is introduced wetland drainage district.Wetland comes pool and is usually face, farmland source water-break irrigation canals and ditches or small-sized river course (water catchment area), and wetland drainage district is lake, river, escape canal etc..
In the present invention one preferred embodiment, described Based Intelligent Control submodule comprises sensing unit, data transmission unit, processing and analysis unit and valve control unit；Described sensing unit comprises multiple sensor, and described sensor is arranged in intake tunnel mouth or the exhalant canal mouth external water area of multiple described wetland submodule, for detecting water level and/or the water quality data in described waters；Described data transmission unit comprises data acquisition unit and data link, for the water level described sensor acquisition obtained and/or water quality data output extremely described processing and analysis unit；
Described processing and analysis unit is for according to described water level and/or water quality data, sending control information by preset value and control described lock/valve control unit, regulating gate aperture and the switch of valve；Described lock/valve control unit is included into sluice gate, goes out sluice gate, excessively sluice gate, sluice gate and pipeline valve.Described inlet gate is arranged at described wetland submodule intake tunnel mouth, described water outlet gate locating is in described wetland submodule exhalant canal mouth, what described sluice gate excessively was arranged between multiple described wetland submodule crosses in aquaporin, described sluice gate is positioned at pool end, described pipeline valve is arranged at being connected on pipeline of described reuse and moisturizing module and described wetland submodule, described lock/valve control unit controls described inlet gate for the control information sent according to described processing unit, go out sluice gate, cross sluice gate, the gatage of sluice gate and the switch of pipeline valve.Wherein, described Based Intelligent Control submodule also comprises communication unit, described communication unit is connected with described processing unit, for receiving control instruction and the Weather information that terminal controller sends, and obtains described water level and/or water quality data by described processing unit and feeds back to described terminal controller.
In the above-described embodiments, specifically can as shown in Figure 2, described Based Intelligent Control submodule is made up of sensing unit, data transmission unit, processing and analysis unit, lock/valve control unit and communication unit.Sensing unit can include many group wetland water inlet water level, water quality sensor, wetland water level at different levels, water quality sensor, wetland effluent water level, water quality sensor；Those sensors can be separately mounted to the waters, front end of chopped-off head wetland unit intake tunnel, final stage exhalant canal, also water quality, level sensor are installed in selectable portion or whole waters, front end crossing aquaporin, and responsible detection wetland comes pool, the water level of wetland unit at different levels and wetland and comes pool, the water quality of wetland unit at different levels (plan) draining.Data transmission unit is constituted without device and data acquisition unit by being wirelessly transferred, and is responsible for water level, the data acquisition of water quality sensor collection and is transferred to processing and analysis unit.Processing and analysis unit can be computer or PLC, it is responsible for processing water level, the water quality data gathered, and by setup program to each parts sending action instruction of the lock/valve control unit performed, this lock/valve control unit specifically can comprise wetland inlet gate, wetland crosses sluice gate, wetland effluent gate, wetland sluice gate, wetland pipeline valve, above-mentioned each gate or valve are respectively disposed on the import or export position of water pipe, effectively to control flowing water flow.Based Intelligent Control submodule in the present invention also includes a communication unit, this communication unit had both received Artificial Control instruction and the Weather information that far-end server (or mobile terminal) sends, and by network, the water level of collection, water quality parameter can be sent back to far-end server (or mobile terminal) again.
In the present invention one preferred embodiment, described reuse and moisturizing module comprise reuse tank, moisturizing pond, backwater water pump and moisturizing water pump；Described reuse tank is arranged at the lowered zones of described wetland submodule, and described backwater water pump is arranged in described reuse tank, for backwater is delivered to field irrigation；Described moisturizing pond is arranged at the outer catchment of wetland, and described moisturizing water pump is arranged in moisturizing pond, for wetland submodule moisturizing.Further, described reuse and moisturizing module also can be as the voltage divider systems of described wetland submodule, such as when described wetland submodule water level is higher than efficient water level and farmland demand irrigation, also water unnecessary in described wetland submodule can be extracted to farm irrigation system, on the one hand while improving described wetland submodule purification efficiency with this, also effectively process unnecessary source, face, farmland water, save farmland-use water.
In real work, specifically can as shown in Figure 1, described reuse and moisturizing module are by reuse tank 201～203, moisturizing pond 204, backwater water pump 205～207, moisturizing water pump 208, valve 209～216 and connect pipeline 217 and form.Reuse tank 201～203 is the Easy manual hole being positioned at purification wetland low lying areas at different levels or the tank built by laying bricks or stones, is responsible for supplying water to the pipeline of reuse and moisturizing module or accepting reuse and the pipeline water of moisturizing module.Backwater water pump 205～207 is general water pump, is arranged on inside reuse tank 201～203 or on the water outlet pipeline of reuse tank, is responsible for from reuse tank 201～203 to outside water delivery.Moisturizing water pump 208 is general water pump, is arranged on appropriate location, moisturizing pond 204, is responsible for carrying water to wetland unit.Connect pipeline 217 reuse tank 201～203, moisturizing pond 204 and farm irrigation system to be linked together, by matching with valve group 209～216, it is responsible for realizing wetland water at different levels to farm irrigation system water delivery reuse, moisturizing pond 204 to the function of wetland moisturizings at different levels, for at utmost reducing wetland variation load, water when carrying out wetland water to farm irrigation system water delivery reuse, in preferential extraction chopped-off head wetland unit reuse tank 201.
The present invention also provides for a kind of control method being applicable to source, face, above-mentioned intelligent control farmland wetland purification system, and described method comprises Artificial Control pattern and automatic control mode；Described Artificial Control pattern comprises: the control instruction output sent by the terminal controller received is to described processing and analysis unit, described lock/valve control unit regulating gate aperture and the switch of pipeline valve is controlled by described processing unit, regulate each water flow crossing aquaporin, control backwater duty and the moisturizing water yield；Described automatic control mode comprises: cycle period by pre-conditioned with obtain Weather information by described communication unit and obtain water level and/or water quality data output to described processing and analysis unit, for the analyses and comparison of described processing and analysis unit by described sensing unit；Described Weather information and/or described water level and/or water quality data are judged according to pre-conditioned being analyzed, when meeting pre-conditioned, control described lock/valve control unit and control valve opening, regulate each water flow crossing aquaporin, control backwater duty and the moisturizing water yield.What deserves to be explained is, when described Artificial Control pattern is in work, described automatic control mode interruption of work, when described Artificial Control mode ends works, described automatic control mode works.
In above-described embodiment, described control method includes both of which: Artificial Control pattern and automatic control mode.Artificial Control pattern is to be issued operational order by operator's process, network (note) port being controlled subsystem by the present invention is sent to processing and analysis unit, processing and analysis unit controls execution unit (valve control unit) according to operational order, open/closed walk the water flow of crossing aquaporin each with regulation, control backwater duty and the moisturizing water yield.Automatic control mode is to control subsystem to perform pre-set programs according to the circulation time interval circulation set, rainfall, water level and water quality data is gathered by processing and analysis unit, and judge to determine that operational order controls execution unit (lock/valve control unit) according to setting program, open/closed walk the water flow of crossing aquaporin each with regulation, control backwater duty and the moisturizing water yield.Artificial Control pattern has precedence over automatic control mode, controls subsystem and can receive manual command at any time, and when Artificial Control pattern performs, automatic control mode is in interrupt status.After manual command performs to terminate, control subsystem automatically switches back into automatic control mode and continues executing with.
In the above-described embodiments, described Weather information comprises: current rainfall, recent rainfall and rainfall；Wherein said current precipitation be with current point in time as terminal before 8 hours to 72 hours in the actual rainfall in described wetland submodule region；Described recent rainfall is the prediction rainfall in described wetland submodule region in the current later time predetermined period as starting point；Described rainfall be with current point in time as terminal before 7 days～30 days in the actual rainfall in described wetland submodule region.
In the present invention one preferred embodiment, described automatic control mode also comprises: current rainfall, recent rainfall and rainfall are compared with current rainfall set in advance, recent rainfall and rainfall threshold value respectively, it is thus achieved that the first comparative result；And described water level and/or water quality data are compared with predetermined water level threshold value and predetermined water quality threshold value respectively, it is thus achieved that the second comparative result and the 3rd comparative result；According to described first comparative result, described second comparative result and described 3rd comparative result, from preset multiple control programs, obtain target control scheme；Described lock/valve control unit, regulating gate aperture and valve switch is controlled according to described target control scheme.Concrete, described automatic control mode judges to determine multistage wetland submodule optimum reservoir storage by weather (rainfall), water inlet water level and three groups of aggregation of data of Inlet and outlet water concentration, the flow of inlet water of open-close sluice gate regulation wetland submodule and water flow, until it reaches predeterminated target.The weather data that automatic control mode uses includes current rainfall, short period prediction rainfall (recent rainfall) and rainfall.Based Intelligent Control submodule be responsible for by current, in the recent period and rainfall respectively be previously set current, compare with rainfall threshold value in the recent period, in conjunction with water inlet water level and flood control level, safe high water level, the efficiently size contrast of water level and lowest water level, wetland influent concentration and whether aqueous concentration exceeds standard, the size contrast of wetland influent concentration and aqueous concentration, finally determine multistage wetland submodule optimum water-retention strategy, by regulation wetland submodule flow of inlet water, water flow, backwater duty and the moisturizing water yield, it is achieved predetermined control water-retention target.
In the present invention one preferred embodiment, described watermark threshold includes flood control level, safe high water level, efficient water level and lowest water level from high to low；Described flood control level is the peak level height that described wetland submodule allows because of flood control requirement；Described safe high water level is that described wetland submodule maintains the biological purification system can the maximum reserve-water-level height of longtime running；The described wetland submodule that described efficient water level is default realizes reserve-water-level height during biological cleaning high efficiency；Described lowest water level is the lowest water level height maintaining the existence of described wetland submodule.
In the above-described embodiments, after automatic control mode collects weather (rainfall), water level and concentration data, starting automatic control program, control wetland according to control strategy listed by table 1 and run, the judgement parameter setting intelligence control system in Table 1 is as follows:
P1 is current rainfall threshold value, represents with unit interval rainfall, is referred to wetland location average rainfall in rainy season for many years, is determined by systems implementation test.
P2 is recent rainfall threshold value, represents with unit interval rainfall, is referred to wetland location average rainfall in rainy season for many years, is determined by systems implementation test.
P3 is rainfall threshold value, represents with unit interval rainfall, is referred to wetland location average rainfall in rainy season for many years, is determined by systems implementation test.
T1 is current slot, represents a time span to trace back before now as terminal.
T2 is recent times section, represents a time span to prolong after now as starting point.
Q1 is current rainfall, unit interval (such as: 8 hours to the 72 hours) rainfall having occurred and that in representing the T1 time.
Q2 is recent rainfall, represents imminent unit interval rainfall in the T2 time.
Q3 is rainfall, represent with current as terminal previous time predetermined period in the actual rainfall in described wetland submodule region, periodic regime is 7 days～30 days.
D1 is water inlet water level, represents wetland inhalant region actual water level value.
D1h is the inhalant region flood control level set, and represents that wetland inhalant region allows the water level value of flood peak.
N is can the water concentration threshold value of qualified discharge.
N1 is wetland influent quality concentration.
N2 is wetland effluent water concentration.
Table 1
In the present invention one preferred embodiment, described automatic control mode also comprises: when the water level of described wetland submodule is less than described lowest water level, controls described reuse and moisturizing module and carries out moisturizing to described wetland submodule and/or external water source fills into described wetland submodule；When the water level of described wetland submodule is higher than efficient water level and during the demand irrigation of farmland, controls described wetland submodule and come pool to wetland drainage district successively to farm irrigation system backwater by wetland.
In the above-described embodiments, concrete can preset the protection of wetland submodule flood control level at automatic control mode and control logic；When wetland submodule water level exceedes flood control level, automatic control mode starts flood control level and automatically protects flow process, reduces wetland submodule water level until safe high water level limit value by regulation wetland drainage amount.Further; as shown in Figure 1; it is also with described reuse and moisturizing module carries out following protection act: when certain grade of wetland unit is less than lowest water level; start moisturizing program; adjust moisturizing reuse connecting pipeline valve group open/close states; set up corresponding moisturizing passage, open moisturizing water pump 208 to wetland unit moisturizing.When wetland aqueous phase is to abundant, during the water shortage of farmland, start backwater program, adjust moisturizing reuse connecting pipeline valve group open/close states, set up backwater channel, open wetland unit reuse tank 201～203 water pump to farm irrigation system backwater.Water at utmost reducing wetland variation load, when carrying out wetland water to farm irrigation system water delivery reuse, in preferential extraction chopped-off head wetland unit reuse tank 201.
Intelligent control farmland provided by the present invention source, face wetland purification system and control method are applied in a specific embodiment (Yunnan lake and marshland project), employ three grades and purify wetland structure, agricultural run-off district area 210000m2, the area 69553m of three grades of wetlands2Wet land system carrys out pool behaviour work Irrigation Ditch, wetland drainage district is lake, do not use moisturizing reclaiming system, have employed PLC and have employed ammonia nitrogen concentration as processing unit, water quality parameter, have employed the intelligent control mode of three time period 16 patterns shown in table 1, wherein average rainfall threshold value (P) have employed 0.8 times of wetland location average daily rainfall in rainy season for many years, and T1 is set as 12 hours, and T2 is for setting 24 hours.Embodiment is assessed through the trail run of 3 wheat harvesting periods, and operational effect is highly stable, and initial estimate promotes wetland purification function more than 30% (reducing nitrogen discharged amount with wetland purification to adjust).
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (10)
1. source, face, intelligent control farmland wetland purification system, it is characterised in that described cleaning system comprises multiple wet
Ground submodule, Based Intelligent Control submodule and reuse and moisturizing module；
Described wetland submodule is used for receiving, storing source, face, farmland water, and is purified described by biological purification
Store or export after the water of source, face, farmland；
Described Based Intelligent Control submodule, for according to the hydrology, water quality and meteorological data, controls the water of described wetland submodule
Position, the turnover water yield, backwater duty and the moisturizing water yield；
Described reuse and moisturizing module are for by opening and closing water pump, by the source, face, described farmland of described wetland submodule storage
Source, face, described farmland water after water and/or purification is recycled to field irrigation.
Source, face, intelligent control farmland the most according to claim 1 wetland purification system, it is characterised in that described intelligence
Submodule can be controlled and comprise sensing unit, data transmission unit, processing and analysis unit and lock/valve control unit；
Described sensing unit comprises multiple sensor, and described sensor is arranged at the water inlet of multiple described wetland submodule and leads to
In road junction or exhalant canal mouth external water area, for detecting water level and/or the water quality data in described waters；
Described data transmission unit comprises data acquisition unit and data link, for described sensor acquisition being obtained
Water level and/or water quality data output to described processing and analysis unit；
Described processing and analysis unit, for according to described water level and/or water quality data, sends control information control by preset value
Make described lock/valve control unit, regulating gate aperture and the switch of pipeline valve；
Described lock/valve control unit is included into sluice gate, goes out sluice gate, excessively sluice gate, sluice gate and line valve
Door；Described inlet gate is arranged at described wetland submodule intake tunnel mouth, and described water outlet gate locating is in described wetland
Submodule exhalant canal mouth, what described sluice gate excessively was arranged between multiple described wetland submodule crosses in aquaporin, institute
Stating sluice gate and be positioned at pool end, described pipeline valve is arranged at described reuse and moisturizing module and described wetland
On the connected pipeline of module, described lock/valve control unit is for the control information control sent according to described processing unit
Make described inlet gate, go out sluice gate, excessively sluice gate, sluice gate aperture and the switch of pipeline valve.
Source, face, intelligent control farmland the most according to claim 2 wetland purification system, it is characterised in that described intelligence
Can control submodule and also comprise communication unit, described communication unit is connected with described processing and analysis unit, is used for receiving end
The Artificial Control that side controller sends instructs and Weather information, and obtains described water level by described processing and analysis unit
And/or water quality data feed back to described terminal controller.
Source, face, intelligent control farmland the most according to claim 1 wetland purification system, it is characterised in that described time
With and moisturizing module comprise reuse tank, moisturizing pond, backwater water pump and moisturizing water pump；
Described reuse tank is arranged at the lowered zones of described wetland submodule, and described backwater water pump is arranged at described reuse tank
In, for backwater is delivered to field irrigation；Described moisturizing pond is arranged at the outer catchment of wetland, and described moisturizing water pump is arranged
In moisturizing pond, for described wetland submodule moisturizing.
5. it is applicable to a control method for source, face, intelligent control farmland wetland purification system described in claim 3,
It is characterized in that, described method comprises Artificial Control pattern and automatic control mode；
Described Artificial Control pattern comprises: the Artificial Control instruction output sent by the terminal controller received is to described
Processing and analysis unit, is controlled described lock/valve control unit regulating gate aperture and pipeline by described processing and analysis unit
The switch of valve, regulates each water flow crossing aquaporin and controls backwater duty and the moisturizing water yield；
Described automatic control mode comprises: believing pre-conditioned with by described communication unit acquisition weather of cycle period
Cease and obtain water level and/or water quality data output extremely described processing unit by described sensing unit, supplying described process
Analytic unit is analysed and compared；
Described Weather information and/or described water level and/or water quality data are judged according to pre-conditioned being analyzed, works as symbol
When closing pre-conditioned, controlling the switch of described lock/valve control unit regulating gate aperture and pipeline valve, regulation is each
Cross the water flow of aquaporin and control backwater duty and the moisturizing water yield.
Control method the most according to claim 5, it is characterised in that described method also comprise when described manually
When control model is in work, described automatic control mode interruption of work, when described Artificial Control mode ends works,
Described automatic control mode works.
Control method the most according to claim 5, it is characterised in that described Weather information comprises: currently drop
Rainfall, recent rainfall and rainfall；
Wherein said current precipitation be with current point in time as terminal before 8 hours to 72 hours in described wetland
The actual rainfall in submodule region；
Described recent rainfall is described wetland submodule region in the current later time predetermined period as starting point
Prediction rainfall；
Described rainfall be with current point in time as terminal before 7 days～30 days in described wetland submodule region
Actual rainfall.
Control method the most according to claim 7, it is characterised in that described automatic control mode also comprises:
By current rainfall, recent rainfall and rainfall respectively with current rainfall set in advance, drop in the recent period
Rainfall and rainfall threshold value compare, it is thus achieved that the first comparative result；
And described water level and/or water quality data are compared with predetermined water level threshold value and predetermined water quality threshold value respectively
Relatively, it is thus achieved that the second comparative result and the 3rd comparative result；
According to described first comparative result, described second comparative result and described 3rd comparative result, from preset multiple
Control program obtains target control scheme；
Described lock/valve control unit, regulating gate aperture and valve switch is controlled according to described target control scheme.
Control method the most according to claim 7, it is characterised in that described watermark threshold comprise flood control level,
Safe high water level, efficient water level and lowest water level；
Described flood control level is the peak level height that described wetland submodule allows because of flood control requirement；
Described safe high water level is that described wetland submodule maintains the biological purification system can the maximum water-retention of longtime running
Height of water level；
The described wetland submodule that described efficient water level is default realizes reserve-water-level height during biological cleaning high efficiency；
Described lowest water level is the lowest water level height maintaining the existence of described wetland submodule.
Control method the most according to claim 9, it is characterised in that described automatic control mode also comprises:
When carrying out pool hydropenia and causing the water level of described wetland submodule less than described lowest water level, control described reuse and
The water in moisturizing pond is filled into described wetland submodule and maintains wetland lowest water level by moisturizing module；
When the water level of described wetland submodule need to be irrigated higher than described efficient water level and farmland, upstream, control described wetland
Submodule carries out backwater irrigation from chopped-off head wetland successively to final stage wetland back pool to farmland.
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| CN2015105350006 | 2015-08-27 | ||
| CN201510535000.6A CN105060494A (en) | 2015-08-27 | 2015-08-27 | Regulation and storage wetland and method for purifying non-point source pollution through regulation and storage wetland |
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| CN201610368077.3A Expired - Fee Related CN106020295B (en) | 2015-08-27 | 2016-05-30 | Intelligent control farmland face source wetland purification system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109319933A (en) * | 2018-09-19 | 2019-02-12 | 河海大学 | A kind of farmland water pollution control and reclaiming system and its operating method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105621617B (en) * | 2016-01-07 | 2018-08-21 | 长沙理工大学 | A kind of pavement runoff Integral purifier |
| CN108901723B (en) * | 2018-07-03 | 2020-12-01 | 安徽大学 | Intercropping and interplanting method for emergent aquatic plants |
| CN109479533B (en) * | 2018-10-08 | 2021-07-20 | 河海大学 | Straw collection and stacking site source pollution control system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148223U (en) * | 2011-08-04 | 2012-02-22 | 碧水蓝天环境工程有限公司 | Constructed wetland system based on automatic intelligent control |
| US20140324223A1 (en) * | 2013-04-26 | 2014-10-30 | Kabushiki Kaisha Toshiba | Water treatment control apparatus and water treatment system |
| CN104652385A (en) * | 2015-01-27 | 2015-05-27 | 河海大学 | Self-irrigating self-draining ecological type irrigated area system |
| CN204454747U (en) * | 2014-12-08 | 2015-07-08 | 北京正和恒基滨水生态环境治理股份有限公司 | The miniature artificial swamp drop purification system of automatic monitoring water quality |
| CN104773834A (en) * | 2015-03-30 | 2015-07-15 | 河海大学 | Irrigation district rice field drainage ditch band-shaped wetland sewage purifying system |
-
2015
- 2015-08-27 CN CN201510535000.6A patent/CN105060494A/en active Pending
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- 2016-05-30 CN CN201610368077.3A patent/CN106020295B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148223U (en) * | 2011-08-04 | 2012-02-22 | 碧水蓝天环境工程有限公司 | Constructed wetland system based on automatic intelligent control |
| US20140324223A1 (en) * | 2013-04-26 | 2014-10-30 | Kabushiki Kaisha Toshiba | Water treatment control apparatus and water treatment system |
| CN204454747U (en) * | 2014-12-08 | 2015-07-08 | 北京正和恒基滨水生态环境治理股份有限公司 | The miniature artificial swamp drop purification system of automatic monitoring water quality |
| CN104652385A (en) * | 2015-01-27 | 2015-05-27 | 河海大学 | Self-irrigating self-draining ecological type irrigated area system |
| CN104773834A (en) * | 2015-03-30 | 2015-07-15 | 河海大学 | Irrigation district rice field drainage ditch band-shaped wetland sewage purifying system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319933A (en) * | 2018-09-19 | 2019-02-12 | 河海大学 | A kind of farmland water pollution control and reclaiming system and its operating method |
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| CN105060494A (en) | 2015-11-18 |
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