LU502875B1 - Cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland - Google Patents
Cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland Download PDFInfo
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- LU502875B1 LU502875B1 LU502875A LU502875A LU502875B1 LU 502875 B1 LU502875 B1 LU 502875B1 LU 502875 A LU502875 A LU 502875A LU 502875 A LU502875 A LU 502875A LU 502875 B1 LU502875 B1 LU 502875B1
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- ecological
- farmland
- ditch
- self
- circulation system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 241000251468 Actinopterygii Species 0.000 claims abstract description 42
- 238000000746 purification Methods 0.000 claims abstract description 36
- 241000196324 Embryophyta Species 0.000 claims description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 30
- 239000002028 Biomass Substances 0.000 claims description 27
- 239000010902 straw Substances 0.000 claims description 9
- 241001465754 Metazoa Species 0.000 claims description 6
- 244000292211 Canna coccinea Species 0.000 claims description 4
- 235000005273 Canna coccinea Nutrition 0.000 claims description 4
- 244000068988 Glycine max Species 0.000 claims description 4
- 235000010469 Glycine max Nutrition 0.000 claims description 4
- 244000017020 Ipomoea batatas Species 0.000 claims description 4
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 4
- 241001521648 Thalia dealbata Species 0.000 claims description 4
- 240000000691 Houttuynia cordata Species 0.000 claims description 3
- 235000013719 Houttuynia cordata Nutrition 0.000 claims description 3
- 241001627140 Iris wilsonii Species 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 239000000575 pesticide Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 239000010865 sewage Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 240000007594 Oryza sativa Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 241000238557 Decapoda Species 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000607479 Yersinia pestis Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
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
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland, comprising symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds, wherein the symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds are sequentially communicated; the symbiotic farmland comprises an annular outer ridge, an annular inner ridge and a planting land, wherein the planting land is located in the ring of the inner ridge, the inner ridge is located in the ring of the outer ridge, a fish ditch is arranged between the inner ridge and the outer ridge, and a fish passage is arranged between the fish ditch and the planting land.
Description
DESCRIPTION LU502875
CASCADE ENERGY-SELF-SUPPLYING ECOLOGICAL CIRCULATION
SYSTEM FOR REDUCING NON-POINT SOURCE POLLUTION IN FARMLAND
The invention relates to the technical field of farmland sewage treatment in natural environment, in particular to a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland.
With the continuous development of rural areas, agricultural non-point source pollution has become an important pollution source of water pollution, soil pollution and air pollution.
Agricultural non-point source pollution is scattered, random, complicated in formation mechanism, widespread in pollution, with strong latent lag, and difficult to monitor. It is a thorny problem to deal with agricultural non-point source pollution. Unreasonable and unscientific use of various pesticides such as chemical fertilizers, pesticides and herbicides leads to a large number of toxic and harmful substances remaining in the soil and flowing into rivers through farmland ditches. Nutrient elements such as nitrogen and phosphorus enriched in the soil will also migrate to rivers along with surface runoff, resulting in serious water pollution.
Nitrogen-containing fertilizers in the soil will undergo denitrification under the action of microorganisms, resulting in a large amount of nitric oxide and nitrous oxide gas, which seriously pollutes the atmosphere. At the same time, the construction of ditches and hardened roads in the construction of high-standard farmland also accelerate the non-point source pollution of farmland. The ditches are constructed by cement, and the sewage can be discharged into rivers soon, thus failing to play its ecological function.
Aiming at the technical problems existing in the prior art, the invention aims to provide a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland. This ecological circulation system reduces the emission of pollution from the source, reduces the diffusion of pollutants, and has low treatment cost.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A cascade energy-self-supplying ecological circulation system for reducing non-poiht/502875 source pollution in farmland comprises symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds, wherein the symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds are sequentially communicated;
The symbiotic farmland comprises an annular outer ridge, an annular inner ridge and a planting land, wherein the planting land is located in the ring of the inner ridge, the inner ridge is located in the ring of the outer ridge, a fish ditch is arranged between the inner ridge and the outer ridge, and a fish passage is arranged between the fish ditch and the planting land.
Optionally, the ecological interception ditch comprises an interception ditch, biomass carbon and gravel, wherein the biomass carbon is laid on the bottom of the interception ditch, the gravel is laid on the top of the biomass carbon, and aquatic plants are planted in the pond of the ecological interception ditch.
Optionally, the pond wall of the intercepting ditch is provided with barbed wire, the pond platform of the ecological intercepting ditch is planted with wetland plants, and the pond wall of the intercepting ditch is planted with any one or combination of Canna indica,
Thalia dealbata and Iris wilsonii.
Optionally, the constructed wetland is provided with biomass carbon and wetland plants, the wetland plants are planted in the biomass carbon, the surface of the constructed wetland is a stepped surface, and the height of the stepped surface gradually decreases along the ecological purification pond.
Optionally, the ecological purification pond is provided with an ecological floating bed, water, aquatic plants and benthic animals, the water is filled in the pond, the submerged plants are planted at the bottom of the ecological purification pond, the ecological floating bed floats on the water surface, the benthic animals are cultured at the bottom of the ecological purification pond, and the aquatic plants are planted on the wall of the ecological purification pond.
Optionally, the wat collecting pool is internally provide with straw straws.
Optionally, the outer ridge and the inner ridge are planted with soybeans, sweet potatoes or houttuynia cordata.
Optionally, a water level regulator is arranged in the fish ditch.
Optionally, the benthos are filter-feeding fish and ornamental fish. LU502875
Compared with the prior art, the invention has the following advantages and beneficial effects: 1. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland of the present invention uses symbiotic farmland to reduce the use of pesticides and fertilizers from the source. Fish cultured in fish ditches eat pests in planting areas, and fish excrete feces as fertilizers for crops, thus reducing the use of pesticides and fertilizers, thus reducing the generation of pollutants and maintaining the output of crops.
Meanwhile, in the process of pollutant diffusion, water collection pools, ecological interception ditches, constructed wetlands and ecological purification ponds are used to further treat sewage, thus improving the whole ecological prevention and control. 2. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland of the present invention adopts aquatic plants to increase the retention time of water, biomass carbon to absorb nitrogen and phosphorus and submerged plants, barbed wire and wetland plants to prevent the wall of the ecological interception ditch from collapsing, and biomass carbon and gravel to absorb organic pollutants such as heavy metals and pesticides in sewage. 3. According to the cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland, the constructed wetland is stepped, which increases the retention time of water in the constructed wetland, so that wetland plants and biomass carbon have enough time to adsorb pollutants. 4. According to the cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland, aquatic plants and ecological floating beds are placed in the ecological purification pond, which is beneficial to the survival of benthos, and the benthos depend on each other with aquatic plants and ecological floating beds, so that the ecological purification pond reaches a balanced state and the pollution treatment capacity of the ecological purification pond is increased. 5. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland of the present invention adopts straw to filter mud and sand, which increases the carbon content of water body, provides nutrients for aquatic plants in ecological interception ditches, and can be used as raw materials of biomass carbon to reduce the loss 680502875 nitrogen and phosphorus.
Fig. 1 is a plan view of a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to the present invention.
Fig. 2 is a cross-sectional view of a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to the present invention.
Fig. 3 is a sectional view of the ecological interception ditch of the present invention.
Fig. 4 1s a sectional view of the constructed wetland of the present invention.
Fig. 5 is a sectional view of the ecological purification pond of the present invention.
Among them, 1: symbiotic farmland, 101: outer ridge, 102: ditch, 103: inner ridge, 104: planting land, 105: regulator, 106: fish passage, 2: water catchment area, 201: straw, 3: ecological interception ditch, 301: barbed wire, 302: gravel, 303: biomass carbon, 304: wetland plant, 4: constructed wetland, 5: ecological purification pond, 501: submerged plant, 502: water, 503: fish, 504: ecological floating bed, 6: drainage pipe.
The purpose of the present invention will be further described in detail with reference to the following drawings and specific examples. The examples cannot be described in detail here, but the embodiments of the present invention are not limited to the following examples.
As shown in figs. 1 to 5, a cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland includes symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds, and the symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds are sequentially communicated; this symbiotic farmland is used for planting rice crops, and the water used to irrigate rice is discharged into public waters along the water collection pool, ecological interception ditch, constructed wetland and ecological purification pond. This circulation system pays attention to ecological functions and saves resources to achieve better treatment effect. At the same time, wetland plants and aquatic plants are planted in ecological interception ditches, constructed wetlands and ecological purification ponds to form an ecological cycle, achieving the effects of low cost and convenieht}502875 management.
The symbiotic farmland comprises an annular outer ridge, an annular inner ridge and a planting land, wherein the planting land is located in the ring of the inner ridge, the inner ridge is located in the ring of the outer ridge, and an annular fish ditch is arranged between the inner ridge and the outer ridge, and the fish ditch can be set according to the size of the planting land.
A fish channel is arranged between the fish ditch and the planting land, and the fish ditch is used for feeding fish and shrimp, which enter the planting land through the fish channel, and the fish and shrimp eat insect pests in rice, and the fish channel is communicated with the water collecting pool through a drain pipe. This circulation system uses symbiotic farmland to reduce the use of pesticides and fertilizers from the source. Fish cultured in fish ditches eat pests in planting areas, and fish remove feces as fertilizer for crops, thus reducing the use of pesticides and fertilizers, thus reducing the generation of pollutants and maintaining the output of crops. At the same time, in the process of pollutant diffusion, water catchment areas, ecological intercepting ditches, constructed wetlands and ecological purification ponds are used to further treat sewage, thus improving the treatment effect of the whole ecological control system.
The ecological interception ditch comprises an interception ditch, biomass carbon and gravel, wherein the biomass carbon is laid on the bottom of the interception ditch, the gravel is laid on the top of the biomass carbon, and aquatic plants are planted in the pond of the ecological interception ditch. This ecological interception ditch adopts aquatic plants to increase the retention time of water, biomass carbon absorbs nitrogen, phosphorus and submerged plants, biomass carbon and gravel absorb organic pollutants such as heavy metals and pesticides in sewage, aquatic plants block the flow rate of water, and can also absorb some organic pollutants in water, thus increasing the retention time of water in the ecological interception ditch, thus enhancing the adsorption of pollutants in water by the ecological interception ditch.
The pond wall of the intercepting ditch is provided with barbed wire, the pond platform of the ecological intercepting ditch is planted with wetland plants, and the pond wall of the intercepting ditch is planted with any one or combination of Canna indica, Thalia dealbata and
Iris wilsonii. The wall of the ecological interception ditch is also provided with stones. The barbed wire and wetland plants prevent the geological landslide and the collapse of the wall of the ecological interception ditch. At the same time, Canna indica, Thalia dealbata and 11502875 wilsonii are used to adsorb organic pollutants in water, which further enhances the sewage treatment capacity of the ecological interception ditch.
The constructed wetland is provided with biomass carbon and wetland plants, and the wetland plants are planted in the biomass carbon, and a layer of gravel is laid on the biomass carbon for adsorbing heavy metals in water. Biomass carbon can be used in the rice field planting process to reduce the loss of nitrogen and phosphorus, improve soil characteristics, and can also be used as a filler in the constructed wetland to adsorb toxic and harmful substances in water and reduce the diffusion of pollutants. The surface of the constructed wetland is a stepped surface, and the height of the stepped surface gradually decreases along the ecological purification pond.
By adopting the stepped constructed wetland, the time of water staying in the constructed wetland is increased, the contact time between the water and biomass carbon in the constructed wetland is also increased, and the adsorption of toxic and harmful substances in the water by the constructed wetland is increased.
The ecological purification pond is provided with an ecological floating bed, water, aquatic plants and benthic animals, the water is filled in the pond, the submerged plants are planted at the bottom of the ecological purification pond, the ecological floating bed floats on the water surface, the benthic animals are cultured at the bottom of the ecological purification pond, and the aquatic plants are planted on the wall of the ecological purification pond. Placement of aquatic plants and ecological floating beds in the ecological purification pond is conducive to the survival of benthos. Benthos depend on each other with aquatic plants and ecological floating beds, making the ecological purification pond reach a balanced state and increasing the pollution treatment capacity of the ecological purification pond. The ecological floating bed, water, aquatic plants and benthos in the ecological purification pond form a good ecosystem, and the treated water can be discharged into public waters or recycled.
The water collecting pool is internally provide with straw straws. Straw can be used to fill the water collection pool and filter sediment. This straw can increase the carbon content in ditches and provide nutrients for subsequent wetland plants, and can also be made into biomass carbon. Adding biomass carbon to the soil can improve the poor texture structure of the soil and increase the carbon content, thus increasing the rice yield.
The outer ridge and the inner ridge are planted with soybeans, sweet potatoes or houttuynid)502875 cordata. Planting soybeans or sweet potatoes can increase the economic benefits of the circulatory system, and planting Houttuynia cordata can be used as feed for fish and shrimp in the fish ditch, thus increasing the economic benefits of fish and shrimp.
A water level regulator is arranged in the fish ditch. The water level regulator is connected with the drainage pipe in the fish ditch. The water level regulator can regulate the water level in the fish ditch, and control the water in the fish ditch not to be higher than the inner ridge and the outer ridge, so as not to flood the planting land.
The benthos are filter-feeding fish and ornamental fish. Filter-feeding fish is used to increase the water quality of the ecological clean pond, and ornamental fish is used to increase the interest of the ecological clean pond, so that the circulation system has the value of watching and playing.
The above-mentioned embodiments are preferred embodiments of the present invention, and should not be limited to the present invention. Any other changes or other equivalent replacement methods that do not deviate from the technical scheme of the present invention are included in the scope of protection of the present invention.
Claims (9)
1. A cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland, characterized by comprising symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds, wherein the symbiotic farmland, water catchment areas, ecological interception ditches, constructed wetlands and ecological purification ponds are sequentially communicated; the symbiotic farmland comprises an annular outer ridge, an annular inner ridge and a planting land, wherein the planting land is located in the ring of the inner ridge, the inner ridge is located in the ring of the outer ridge, a fish ditch is arranged between the inner ridge and the outer ridge, a fish passage is arranged between the fish ditch and the planting land, and the fish ditch 1s communicated with the water catchment areas.
2. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that the ecological interception ditch comprises an interception ditch, biomass carbon and gravel, wherein the biomass carbon is laid on the bottom of the interception ditch, the gravel is laid on the top of the biomass carbon, and aquatic plants are planted in the pond of the ecological interception ditch.
3. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 2, characterized in that the pond wall of the intercepting ditch is provided with barbed wire, the pond platform of the ecological intercepting ditch is planted with wetland plants, and the pond wall of the intercepting ditch is planted with any one or a combination of Canna indica, Thalia dealbata and Iris wilsonii.
4. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that the constructed wetland is provided with biomass carbon and wetland plants, the wetland plants are planted in the biomass carbon, the surface of the constructed wetland is stepped, and the height of the stepped surface gradually decreases along the ecological purification pond.
5. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that the ecological purification pond is provided with an ecological floating bed, water, aquatic plants and benthic animals, wherein the water is filled in the pond, the submerged plants are planted at the bottom of the ecological purification pond, the ecological floating bed floats on the water surface, thé/502875 benthic animals are cultured at the bottom of the ecological purification pond, and the aquatic plants are planted on the wall of the ecological purification pond.
6. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that the water catchment area is internally provide with straws.
7. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that the outer ridge and the inner ridge are planted with soybeans, sweet potatoes or houttuynia cordata.
8. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 1, characterized in that a water level regulator is arranged in the fish ditch.
9. The cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland according to claim 5, characterized in that the benthos is filter-feeding fish and ornamental fish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU502875A LU502875B1 (en) | 2022-10-05 | 2022-10-05 | Cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU502875A LU502875B1 (en) | 2022-10-05 | 2022-10-05 | Cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland |
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| Publication Number | Publication Date |
|---|---|
| LU502875B1 true LU502875B1 (en) | 2023-04-05 |
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ID=85785921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU502875A LU502875B1 (en) | 2022-10-05 | 2022-10-05 | Cascade energy-self-supplying ecological circulation system for reducing non-point source pollution in farmland |
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| Country | Link |
|---|---|
| LU (1) | LU502875B1 (en) |
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2022
- 2022-10-05 LU LU502875A patent/LU502875B1/en active IP Right Grant
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Effective date: 20230405 |