CN114524575A - Agricultural non-point source pollution circulating purification system and purification method - Google Patents
Agricultural non-point source pollution circulating purification system and purification method Download PDFInfo
- Publication number
- CN114524575A CN114524575A CN202210041822.9A CN202210041822A CN114524575A CN 114524575 A CN114524575 A CN 114524575A CN 202210041822 A CN202210041822 A CN 202210041822A CN 114524575 A CN114524575 A CN 114524575A
- Authority
- CN
- China
- Prior art keywords
- water
- purification
- farmland
- ecological
- point source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- 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 discloses an agricultural non-point source pollution circulating purification system and a purification method, the circulating purification system comprises an interception purification diversion channel surrounding the periphery of a farmland and a water distribution main pipe penetrating through two sides of the farmland, two ends of the interception purification diversion channel are communicated with an ecological purification reservoir arranged on one side of the farmland, one end of the water distribution main pipe is connected with an internal circulating pump arranged in the ecological purification reservoir, the other end of the water distribution main pipe is communicated with the interception purification diversion channel, the water distribution main pipe is connected with a plurality of water distribution branch pipes which are communicated with the water distribution main pipe and are used for irrigating the farmland, and the ecological purification reservoir is also communicated with an external water body. The circulation purification system realizes the purposes of zero discharge of agricultural non-point source pollution and recycling of water resources and nitrogen and phosphorus resources through orderly circular flow of farmland irrigation water and farmland surface runoff and ecological purification of agricultural non-point source polluted water, and has the advantages of water conservation, emission reduction, fertilizer consumption reduction, ecological environment friendliness, low cost and the like.
Description
Technical Field
The invention belongs to the technical field of ecological cycle agriculture, and particularly relates to a system and a method for circularly purifying agricultural non-point source pollution.
Background
Agricultural non-point source pollution generally refers to the problem of water environment pollution such as water eutrophication and the like caused by the fact that a large amount of pollutants such as nitrogen, phosphorus, pesticides and the like flow into a receiving water body in the modes of farmland drainage, surface runoff, soil erosion and the like due to excessive or improper use of chemical fertilizers and pesticides in agricultural production activities. Agricultural non-point source pollution greatly restricts agricultural sustainable development, and agricultural green development needs to be realized through agricultural non-point source pollution treatment technology and water ecological environment is protected.
The existing agricultural non-point source pollution treatment technology mainly comprises three categories, namely a source reduction technology, a process interception technology and a tail end treatment technology. Aiming at the causes and processes of agricultural non-point source pollution, the source reduction technology reduces the use amount of pesticides and fertilizers from the source through the technologies of fertilizer reduction, planting system optimization, water-saving irrigation and the like, and reduces the agricultural non-point source pollution emission; the process interception technology is based on the existing farmland ditch, an ecological ridge, an ecological fence, an ecological buffer zone and an ecological ditch are constructed by arranging a drainage and irrigation system of each land, and the absorption, adsorption and decomposition effects of organisms are utilized to reduce the agricultural non-point source pollution intensity in the farmland drainage process; the tail end treatment technology is characterized in that ponds which are dispersedly distributed in the field are combined at the tail ends of farmland ditches, a pond system is constructed, a small wetland is constructed, various agricultural non-point source pollutants are absorbed, adsorbed and decomposed in a centralized manner, and the concentration of the agricultural non-point source pollutants discharged into a river channel is reduced. However, the process interception technology and the terminal treatment technology have the problems of large occupied area, incomplete interception of agricultural non-point source pollution, incapability of recycling water resources and the like.
Disclosure of Invention
The invention provides an agricultural non-point source pollution circulating purification system and a purification method, the circulating purification system realizes the purposes of zero emission of agricultural non-point source pollution and recycling of water resources and nitrogen and phosphorus resources through the ordered circulating flow of farmland irrigation water and farmland surface runoff and the ecological purification of an agricultural non-point source polluted water body, and has the advantages of water saving, emission reduction, fertilizer consumption reduction, ecological greenness and low cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an agricultural non-point source pollution circulation clean system, including encircleing the water distribution main pipe that purifies the water conservancy diversion canal and run through the farmland at farmland interception all around, the interception purifies water conservancy diversion canal both ends and sets up the ecological cistern intercommunication that purifies in farmland one side, water distribution main pipe one end with set up in the internal circulating pump in the ecological cistern that purifies is connected, the other end with the water distribution canal intercommunication is purified in the interception, even have on the water distribution main pipe a plurality of with the water distribution main pipe intercommunication just is used for irrigating the water distribution branch pipe in farmland, the ecological cistern that purifies still communicates with outside water.
Furthermore, the farmland is a dry farmland, and the tail end of the water distribution main pipe communicated with the intercepting and purifying diversion channel is provided with a valve.
Furthermore, ecological purification cistern with interception purifies water conservancy diversion canal tip department of meeting sets up and purifies water conservancy diversion canal water inlet, it installs to purify water conservancy diversion canal water inlet department and is used for control purify the water level control valve that water conservancy diversion canal water inlet opened and close.
Further, the ecological cistern that purifies through outer inlet tube with outside water intercommunication, outer inlet tube is in mounting height on the ecological cistern wall that purifies with purify diversion canal water inlet parallel and level, be equipped with in the outside water with outer intake pump that the inlet tube end connection.
Further, interception purifies the diversion canal and is close to be equipped with a plurality of overflow pipes on the canal wall of ecological purification cistern, each the overflow pipe terminal with outside water intercommunication, overflow pipe mounting height and farmland earth's surface parallel and level.
Furthermore, the water distribution main pipe penetrates through the farmland from the middle part of the farmland, the water distribution branch pipes are parallel to each other and are vertical to the water distribution main pipe, the water distribution branch pipes are uniformly arranged on the water distribution main pipe, and the water distribution branch pipes are perforated hoses or perforated hard pipes.
Further, the interception purifies the water conservancy diversion canal and is the sclerosis channel, along highly being less than or equal to farmland earth's surface height on the farmland side canal wall of channel, highly being higher than farmland earth's surface height along on the outside canal wall of channel, the channel intussuseption is filled with the material, the fill height of filler with along the parallel and level on the farmland side canal wall of channel, the filler adopts two-layer grading mode to fill, and lower floor's filler chooses for use coarse grain footpath filler, including one or several kinds in cobble, gravel, shale, granite and the lime stone, and upper filler chooses for use fine grain footpath filler, including one or several kinds in river sand, rubble, zeolite, quartz sand, slay, slag and the haydite.
Furthermore, the pond body of ecological purification cistern is the stereoplasm and protects to build and the pool wall is gone up along highly being higher than intercept purify water conservancy diversion canal outside canal wall is gone up along the height, be equipped with the ecological bed that floats of combination formula in the ecological purification cistern, ecological bed that floats includes the bed body of floating bed, emergent aquatic plant and biological contact oxidation filler, the bed body of floating bed is frame construction or is formed by connecting a plurality of bodies, emergent aquatic plant in the bed body upside of floating bed, biological contact oxidation filler carry in the bed body downside of floating bed.
A cyclic purification method for agricultural non-point source pollution comprises the following steps:
(1) irrigating a farmland: inputting water in the ecological purification reservoir into a farmland through the water distribution trunk pipe and the water distribution branch pipes for irrigation, and discharging farmland irrigation residual water into the ecological purification reservoir through the interception purification diversion channel and recycling the residual water;
(2) water body circulation purification: and directly conveying the agricultural non-point source polluted water accumulated in the ecological purification water storage tank to the interception and purification diversion channel through a valve at the tail end of the water distribution main pipe so as to intercept and purify the agricultural non-point source polluted water.
Further, the air conditioner is characterized in that,
in the mode (1): closing the end valve and starting the internal circulating pump, and inputting the water in the ecological purification water storage tank into a farmland through the water distribution main pipe and the water distribution branch pipe for irrigation; when the water storage amount in the ecological purification water storage tank is insufficient, starting an external water inlet pump in the external water body, and pumping the water in the external water body into the ecological purification water storage tank so as to meet the requirement of field irrigation;
in the mode (2): opening the valve and starting the internal circulating pump, directly conveying the agricultural non-point source polluted water accumulated in the ecological purification reservoir to the interception purification diversion channel far away from the ecological purification reservoir through the valve at the tail end of the water distribution main pipe, and gathering the agricultural non-point source polluted water into the ecological purification reservoir after interception purification of fillers in the interception purification diversion channel and circularly purifying again;
the agricultural non-point source pollution circulating purification method also comprises the following modes: seriously polluted initial farmland surface runoff passes through during rainfall interception purifies the diversion canal and discharges into accumulate in the ecological purification cistern, work as water in the ecological purification cistern is when full, close purification diversion canal water inlet on the ecological purification cistern, follow-up farmland surface runoff that receives the pollution degree lighter directly discharges into through the overflow pipe outside water.
Compared with the prior art, the invention has the beneficial effects that:
the agricultural non-point source pollution circulating purification system comprises an intercepting and purifying diversion channel surrounding the periphery of a farmland and water distribution trunk pipes penetrating through two sides of the farmland, wherein two ends of the intercepting and purifying diversion channel are communicated with an ecological purification reservoir arranged on one side of the farmland; when the farmland is irrigated, water in the ecological purification reservoir is input into the farmland through the water distribution main pipe and the water distribution branch pipe for irrigation, and residual farmland irrigation water is discharged into the ecological purification reservoir through the interception purification diversion channel and recycled again; when the water body is circularly purified, the agricultural non-point source polluted water body accumulated in the ecological purification reservoir is directly conveyed to an interception purification diversion canal far away from the ecological purification reservoir through a valve at the tail end of a water distribution main pipe, the agricultural non-point source polluted water is intercepted and purified by the filler in the interception and purification diversion channel, then is gathered into the ecological purification reservoir and is circularly purified again, in the early stage of severe pollution during rainfall, the farmland surface runoff is discharged into an ecological purification reservoir through an interception and purification diversion channel to be accumulated, thus accumulating the initial farmland surface runoff with serious pollution, the invention can accumulate and circularly purify the agricultural non-point source polluted water body, therefore, the purpose of zero emission of agricultural non-point source pollution is realized, and the conventional agricultural non-point source pollution treatment technologies such as ecological ridges, ecological fences, ecological buffer zones, ecological ditches, pond wetland systems and the like can only partially intercept and reduce the agricultural non-point source pollution.
In conclusion, compared with the conventional agricultural non-point source pollution treatment technology, the agricultural non-point source pollution circulation purification system provided by the invention realizes the purposes of zero discharge of agricultural non-point source pollution and recycling of water resources and nitrogen and phosphorus resources through the ordered circulation flow of farmland irrigation water and farmland surface runoff and the ecological purification of an agricultural non-point source polluted water body, has the advantages of water saving, emission reduction, chemical fertilizer consumption reduction, ecological environment protection, low cost and the like, and can provide a new way for agricultural non-point source pollution treatment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate: 1. the ecological water distribution system comprises a farmland, 2, an intercepting and purifying diversion channel, 3, an ecological purifying reservoir, 41, an outer water inlet pipe, 42, a water distribution main pipe, 43, a water distribution branch pipe, 44, an overflow pipe, 51, an outer water inlet pump, 52, an inner circulating pump, 6, a water level control valve, 7, a valve, 8, an outer water body, 9 and crops.
Detailed Description
An agricultural non-point source pollution circulating purification system comprises an interception purification diversion canal 2 distributed around a farmland 1 and a water distribution main pipe 42 penetrating the farmland 1 from the middle part of the farmland 1, wherein the farmland 1 is a dry land, two ends of the interception purification diversion canal 2 are communicated with an ecological purification reservoir 3 arranged at one side of the farmland 1, a purification diversion canal water inlet is arranged at the joint of the ecological purification reservoir 3 and the end part of the interception purification diversion canal 2, a water level control valve 6 for controlling the opening and closing of the purification diversion canal water inlet is arranged at the water inlet of the purification diversion canal, when the water level in the ecological purification reservoir 3 is lower than 10cm below the surface of the farmland 1, the purification diversion canal water inlet is opened through a water level control valve 6, when the water level in the ecological purification reservoir 3 reaches 10cm below the surface of the farmland 1, the purification diversion canal water inlet is closed, one end of the water distribution main pipe 42 is connected with an internal circulation pump 52 arranged in the ecological purification reservoir 3, the other end of the water distribution main pipe 42 is provided with a valve 7 and is communicated with an intercepting and purifying diversion channel 2 far away from the ecological purifying reservoir 3, an internal circulating pump 52 is used for lifting the water in the ecological purifying reservoir 3 to the water distribution main pipe 42, the water distribution main pipe 42 is connected with a plurality of water distribution branch pipes 43 which are communicated with the water distribution main pipe 42 and are used for irrigating farmlands 1, the water distribution branch pipes 43 are perforated hoses or perforated hard pipes, the water distribution branch pipes 43 are parallel to each other and vertical to the water distribution main pipe 42, the water distribution branch pipes 43 are uniformly arranged on the water distribution main pipe 42, the ecological purifying reservoir 3 is communicated with an external water body 8 through an external water inlet pipe 41, the external water body 8 comprises an irrigation channel, a river channel, a lake or a pond, the installation height of the external water inlet pipe 41 on the wall of the ecological purifying reservoir 3 is flush with the water inlet of the purifying diversion channel, an external water inlet pump 51 connected with the end part of the external water inlet pipe 41 is arranged in the external water body 8, when the water quantity of the ecological purification reservoir 3 is insufficient, the external water inlet pump 51 is used for supplementing water to the ecological purification reservoir 3 from the external water body 8.
Wherein the interception purification diversion canal 2 is a hardening canal, the depth of the canal is 0.4-1.5m, the width of the canal is 0.5-1.2m, the height of the upper edge of the side canal wall of the farmland 1 of the canal is 0-10cm lower than the ground surface of the farmland 1, the height of the upper edge of the outer side canal wall of the canal is 10-20cm higher than the ground surface of the farmland 1, filling materials are filled in the canal, the filling height of the filling materials is flush with the upper edge of the side canal wall of the farmland 1 of the canal, the filling materials are filled in a two-layer grading mode, the lower layer filling materials are coarse grain size filling materials with the grain size of 20-100mm and comprise one or more of pebbles, gravels, shale, granites and limestone, the upper layer filling materials are fine grain size fillers with the grain size of 1-20mm and comprise one or more of river sand, gravel, zeolite, quartz sand, slag, furnace slag and ceramsite, the purification interception canal 2 has the function of guiding the flow of guiding the ground surface of the farmland 1 to flow into the ecological purification impounding reservoir 3, and the agricultural non-point source pollutants in the surface runoff of the farmland 1 are intercepted and reduced through the absorption, adsorption and decomposition functions of the filler in the channel, and the function of the field ridge is exerted.
Wherein, interception purifies diversion canal 2 and is equipped with a plurality of overflow pipes 44 on being close to ecological outside canal wall that purifies cistern 3, and each overflow pipe 44 end and outside water 8 intercommunication, overflow pipe 44 mounting height and 1 earth's surface parallel and level in farmland, ecological purification cistern 3 holds when closing like this, directly emits into outside water 8 through overflow pipe 44 with 1 earth's surface runoff in follow-up farmland.
Wherein, the ecological purification reservoir 3 is arranged at the corner of the farmland 1 at one side of the farmland 1, the pool body of the ecological purification reservoir 3 is a hard protection brick, the depth of the pool is 1-5m, the height of the upper edge of the pool wall is 10-20cm higher than the upper edge of the outer side canal wall of the interception purification diversion canal 2, a combined ecological floating bed is arranged in the ecological purification reservoir 3, the ecological floating bed comprises a floating bed body, emergent aquatic plants and biological contact oxidation fillers, the floating bed body is of a frame structure or is formed by connecting a plurality of floating bodies, the emergent aquatic plants are planted on the upper side of the floating bed body, reed, cattail, Thymus repens and canna are selected, the ecological purifying water reservoir 3 is characterized in that one or more of saxifrage, calamus, iris and pinus plants are hung on the lower side of a floating bed body, one of elastic filler, soft filler, semi-soft filler or combined filler is selected, and the ecological purifying water reservoir has the functions of water storage and water quality purification.
A cyclic purification method for agricultural non-point source pollution comprises the following steps:
(1) a farmland irrigation mode: when the farmland 1 is irrigated, the valve 7 is closed and the internal circulation pump 52 is started, water in the ecological purification reservoir 3 is input to the roots of crops 9 in the farmland 1 through the water distribution main pipe 42 and the water distribution branch pipes 43 for irrigation, residual irrigation water of the farmland 1 is discharged into the ecological purification reservoir 3 through the interception purification diversion channel 2 and recycled, and when the water storage amount in the ecological purification reservoir 3 is insufficient, the external water inlet pump 51 is started to pump water in the external water body 8 into the ecological purification reservoir 3 so as to meet the irrigation requirement of the farmland 1;
(2) the water body circulation purification mode is as follows: when the water body is circularly purified, the valve 7 is opened and the internal circulating pump 52 is started, the agricultural non-point source polluted water body accumulated in the ecological purification reservoir 3 is directly conveyed to the interception purification diversion channel 2 far away from the ecological purification reservoir 3 through the valve 7 at the tail end of the water distribution main pipe 42, and the agricultural non-point source polluted water body is converged into the ecological purification reservoir 3 after being intercepted and purified by the filler in the interception purification diversion channel 2 and is circularly purified again;
(3) a rainfall mode: during rainfall, the surface runoff of the farmland 1 in the initial stage with serious pollution is discharged into the ecological purification reservoir 3 through the interception purification diversion channel 2 to be accumulated, when the water in the ecological purification reservoir 3 is fully accumulated, the purification diversion channel water inlet on the ecological purification reservoir 3 is closed through the water level control valve 6, and the subsequent surface runoff of the farmland 1 with light pollution degree is directly discharged into the external water body 8 through the overflow pipe 44.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an agricultural non-point source pollution circulation clean system which characterized in that: including encircleing water distribution main pipe (42) that purification water conservancy diversion canal (2) and run through farmland (1) at farmland (1) surrounding interception, interception purification water conservancy diversion canal (2) both ends and the ecological cistern (3) intercommunication of purifying of setting in farmland (1) one side, water distribution main pipe (42) one end with set up in internal circulating pump (52) in the ecological cistern (3) of purifying are connected, the other end with interception purification water conservancy diversion canal (2) intercommunication, even on water distribution main pipe (42) have a plurality ofly with water distribution main pipe (42) intercommunication just is used for irrigating water distribution branch pipe (43) of farmland (1), ecological purification cistern (3) still communicate with outside water (8).
2. The agricultural non-point source pollution circulating purification system according to claim 1, wherein: the farmland (1) is a dry farmland, and the tail end of the water distribution main pipe (42) communicated with the intercepting and purifying diversion channel (2) is provided with a valve (7).
3. The agricultural non-point source pollution circulating and purifying system according to claim 2, wherein: ecological purification cistern (3) with interception purifies diversion canal (2) tip department of meeting sets up and purifies diversion canal water inlet, it installs and is used for control to purify diversion canal water inlet to purify water level control valve (6) that diversion canal water inlet opened and close.
4. The agricultural non-point source pollution circulating and purifying system according to claim 3, wherein: ecological purification cistern (3) through outer inlet tube (41) with outside water (8) intercommunication, outer inlet tube (41) are in installation height on the ecological purification cistern (3) pool wall with purify diversion canal water inlet parallel and level, be equipped with in outside water (8) with outer inlet tube (41) end connection's outer intake pump (51).
5. The agricultural non-point source pollution circulating and purifying system according to claim 2, wherein: interception purifies diversion canal (2) and is close to be equipped with a plurality of overflow pipes (44) on the canal wall of ecological purification cistern (3), each overflow pipe (44) terminal with outside water (8) intercommunication, overflow pipe (44) mounting height and farmland (1) earth's surface parallel and level.
6. The agricultural non-point source pollution circulating and purifying system according to claim 2, wherein: the water distribution main pipe (42) penetrates through the farmland (1) from the middle part of the farmland (1), the water distribution branch pipes (43) are parallel to each other and are vertical to the water distribution main pipe (42), the water distribution branch pipes (43) are uniformly arranged on the water distribution main pipe (42), and the water distribution branch pipes (43) are perforated hoses or perforated hard pipes.
7. The agricultural non-point source pollution circulating and purifying system according to claim 2, wherein: interception purifies water conservancy diversion canal (2) is the sclerosis channel, along highly being less than or equal to farmland (1) earth's surface height on farmland (1) side canal wall of channel, highly being higher than farmland (1) earth's surface height along on the outside canal wall of channel, fill filler in the channel, the fill level of filler with along the parallel and level on farmland (1) side canal wall of channel, the filler adopts two-layer grading mode to load, and the lower floor is packed for use coarse grain footpath and is packed, including one or several kinds in cobble, gravel, shale, granite and the lime stone, and the fine grain footpath filler is selected for use to the upper filler, including one or several kinds in river sand, rubble, zeolite, quartz sand, slay, slag and haydite.
8. The agricultural non-point source pollution circulating and purifying system according to claim 7, wherein: the cell body of ecological purification cistern (3) is that the stereoplasm protects to build and the pool wall goes up along highly being higher than intercept purify on the canal wall of water conservancy diversion canal (2) outside along the height, be equipped with the ecological bed that floats of combination formula in ecological purification cistern (3), ecological bed that floats is including the bed body of floating bed, emergent aquatic plants and biological contact oxidation filler, the bed body of floating bed is frame construction or is connected the formation by a plurality of bodies, emergent aquatic plants plant in the bed body upside of floating bed, biological contact oxidation filler carry in bed body downside of floating bed.
9. An agricultural non-point source pollution circulating purification method, which adopts the agricultural non-point source pollution circulating purification system of any one of claims 2 to 8, and is characterized by comprising the following modes:
(1) irrigating a farmland: inputting water in the ecological purification reservoir (3) into a farmland (1) for irrigation through the water distribution main pipe (42) and the water distribution branch pipes (43), and discharging residual irrigation water of the farmland (1) into the ecological purification reservoir (3) through the interception purification diversion channel (2) and recycling the residual irrigation water;
(2) water body circulation purification: and directly conveying the agricultural non-point source polluted water accumulated in the ecological purification reservoir (3) to the interception and purification diversion canal (2) through a valve (7) at the tail end of the water distribution main pipe (42) so as to intercept and purify the agricultural non-point source polluted water.
10. The agricultural non-point source pollution circulating purification method according to claim 9, characterized in that:
in the mode (1): closing the end valve (7) and starting the internal circulating pump (52), and inputting the water in the ecological purification reservoir (3) into a farmland (1) for irrigation through the water distribution main pipe (42) and the water distribution branch pipe (43); when the water storage amount in the ecological purification reservoir (3) is insufficient, starting an external water inlet pump (51) in the external water body (8) to pump water in the external water body (8) into the ecological purification reservoir (3) so as to meet the irrigation requirement of a farmland (1);
in the mode (2): opening the valve (7) and starting the internal circulating pump (52), directly conveying the agricultural non-point source polluted water accumulated in the ecological purification reservoir (3) to the interception purification diversion channel (2) far away from the ecological purification reservoir (3) through the end valve (7) of the water distribution main pipe (42), collecting the agricultural non-point source polluted water into the ecological purification reservoir (3) after interception purification of fillers in the interception purification diversion channel (2), and circularly purifying again;
the agricultural non-point source pollution circulating purification method also comprises the following modes: seriously polluted initial farmland (1) surface runoff passes through during rainfall interception purifies diversion canal (2) and discharges into accumulate in ecological purification cistern (3), when water in ecological purification cistern (3) is full, close purification diversion canal water inlet on ecological purification cistern (3), follow-up farmland (1) surface runoff that the degree of pollution is lighter directly discharges into through overflow pipe (44) outside water (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041822.9A CN114524575B (en) | 2022-01-14 | 2022-01-14 | Agricultural non-point source pollution circulating purification system and purification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041822.9A CN114524575B (en) | 2022-01-14 | 2022-01-14 | Agricultural non-point source pollution circulating purification system and purification method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114524575A true CN114524575A (en) | 2022-05-24 |
| CN114524575B CN114524575B (en) | 2023-04-25 |
Family
ID=81620555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210041822.9A Active CN114524575B (en) | 2022-01-14 | 2022-01-14 | Agricultural non-point source pollution circulating purification system and purification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114524575B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100025776A (en) * | 2008-08-28 | 2010-03-10 | 고재호 | Water circulating ecological ponds |
| CN104782447A (en) * | 2015-04-17 | 2015-07-22 | 浙江大学 | Agricultural land initial stage runoff collection irrigation system and method thereof |
| CN106904748A (en) * | 2017-04-27 | 2017-06-30 | 四川大学 | A kind of ecological canal and its construction method for administering agriculture non point source of pollution |
| 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 |
| CN110183037A (en) * | 2019-05-21 | 2019-08-30 | 四川大学 | A kind of farmland irrigating drainage purified treatment circulatory system |
| CN110615576A (en) * | 2019-09-04 | 2019-12-27 | 生态环境部华南环境科学研究所 | Compound ecological remediation system of farmland tail water with nitrogen phosphorus reduces function |
-
2022
- 2022-01-14 CN CN202210041822.9A patent/CN114524575B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100025776A (en) * | 2008-08-28 | 2010-03-10 | 고재호 | Water circulating ecological ponds |
| CN104782447A (en) * | 2015-04-17 | 2015-07-22 | 浙江大学 | Agricultural land initial stage runoff collection irrigation system and method thereof |
| CN106904748A (en) * | 2017-04-27 | 2017-06-30 | 四川大学 | A kind of ecological canal and its construction method for administering agriculture non point source of pollution |
| 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 |
| CN110183037A (en) * | 2019-05-21 | 2019-08-30 | 四川大学 | A kind of farmland irrigating drainage purified treatment circulatory system |
| CN110615576A (en) * | 2019-09-04 | 2019-12-27 | 生态环境部华南环境科学研究所 | Compound ecological remediation system of farmland tail water with nitrogen phosphorus reduces function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114524575B (en) | 2023-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104230100B (en) | Three-dimensional ecological corridor system and method for in-situ restoration of river water body | |
| CN112358053A (en) | Composite ecological treatment method for intercepting farmland drainage pollutants | |
| CN104986860A (en) | Ecological treatment technology for power-free river water purification | |
| CN111592175A (en) | Agricultural non-point source pollution control ecological management system and management method | |
| CN104790698B (en) | Cross flow formula draining in irrigated area nonirrigated farmland, which is regulated and stored, purifies wetland constructing system | |
| CN105217798B (en) | A kind of self quick purification method of urban river channel rainwater | |
| CN105464050B (en) | Renewable filler-plant society formula irrigation canals and ditches-bank protection nitrogen phosphorus ecological intercepting system | |
| CN209065542U (en) | A kind of tableland formula artificial wet land treating system | |
| CN204185336U (en) | For the stereo ecological gallery system of river water body in-situ immobilization | |
| CN110642384B (en) | Artificial wetland system for reducing river beach and platform land pollution | |
| CN102926362B (en) | Pollution control and emission reduction method for farmland drainage | |
| CN111704241A (en) | Partitioned circulating soil infiltration system | |
| CN109607975B (en) | Constructed wetland structure for repairing super-eutrophic water body and endogenous pollution | |
| CN108265580B (en) | Construction method of sludge resource-based river channel ecological system with functions of sewage interception, slope protection and water purification | |
| CN107117713B (en) | Method for purifying riverside zone constructed wetland of cadmium-polluted irrigation water | |
| CN213037496U (en) | Partitioned circulating soil infiltration system | |
| CN106702982B (en) | A kind of intensive farmland drainage system | |
| CN210559648U (en) | Step multi-section undercurrent artificial wet land treating pool | |
| CN219860850U (en) | Novel ecological pool based on biological strengthening nitrogen and phosphorus purification function | |
| CN207645890U (en) | A kind of modularization for river regulation is aerated artificial swamp | |
| CN114524575B (en) | Agricultural non-point source pollution circulating purification system and purification method | |
| CN212741062U (en) | Rural drinking water source pollution prevention and control system | |
| CN206070498U (en) | A kind of farmland submerged plant ecological canal for processing early-stage rainwater | |
| CN211644793U (en) | Farmland non-point source pollution control and water resource utilization system | |
| CN212954725U (en) | Leading ecological management system in agricultural non-point source pollution water source of middle-size and small-size basin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |