CN113024020A - Novel ecological ditch for agricultural non-point source pollution treatment - Google Patents
Novel ecological ditch for agricultural non-point source pollution treatment Download PDFInfo
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- CN113024020A CN113024020A CN202110237511.5A CN202110237511A CN113024020A CN 113024020 A CN113024020 A CN 113024020A CN 202110237511 A CN202110237511 A CN 202110237511A CN 113024020 A CN113024020 A CN 113024020A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000000746 purification Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 239000004744 fabric Substances 0.000 claims description 20
- 210000000078 claw Anatomy 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 230000002262 irrigation Effects 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000007667 floating Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002352 surface water Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000000975 bioactive effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 108700012359 toxins Proteins 0.000 description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a novel ecological ditch for agricultural non-point source pollution treatment in the field of agricultural non-point source pollution treatment, which overcomes the defects that a large amount of returned water is directly discharged into a receiving water body without being subjected to pollutant interception treatment in the prior art, not only wastes water resources, but also pollutes the environment of the receiving water body, and in order to overcome the problems, the technical scheme comprises a water diversion hidden culvert, a water drainage hidden culvert and an open ditch, and is characterized in that: be connected with filtering component between diversion dark culvert and the open channel, filtering component is equipped with mechanical grid, thick purification area, secondary purification area and biological purification area along the flow direction of rivers in proper order, utilizes multilayer filter equipment to purify the water among this technical scheme to realize the purification of receiving the water, the recycle of the water of being convenient for.
Description
Technical Field
The invention belongs to the field of agricultural non-point source pollution treatment, and particularly relates to a novel ecological ditch for agricultural non-point source pollution treatment.
Background
Most of rainwater and agricultural irrigation water, except for being absorbed and utilized by crops, is lost to the ground or underground. Farmyard manure generally cannot cause great pollution, but the use of fertilizers, pesticides and compounds developed by modern new technologies cannot be completely utilized by crops, and a great part of the fertilizers, the pesticides and the compounds can be discharged to peripheral water bodies along with equal-diameter flow or infiltration of field water and cause pollution. The water environment deterioration caused by the runoff loss of farmland surface water becomes a ubiquitous environmental problem in the world. The runoff loss of the surface water of the farmland has the characteristics of universality, intermittence and randomness, the time and space variation amplitude of pollution load is large, and the runoff loss output and the influence factors of the surface water on different catchment area scales are different.
These run-off waters are commonly referred to as field de-watering. One of the most important output ways of agricultural non-point source pollution is farmland drainage, and the quantity of farmland drainage water is large. A large amount of returned water is directly discharged into the receiving water body without sewage interception treatment, which not only wastes water resources, but also pollutes the environment of the receiving water body.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a ditch which purifies a water body by using a multi-layer filtering device so as to realize the purification of a receiving water body and facilitate the recycling of the water body.
In order to achieve the purpose, the technical scheme of the invention is as follows: a novel ecological ditch for agricultural non-point source pollution treatment comprises a diversion culvert, a drainage culvert and an open channel, wherein a filtering assembly is connected between the diversion culvert and the open channel, and the filtering assembly is sequentially provided with a mechanical grid, a coarse purification area, a secondary purification area and a biological purification area along the flowing direction of water flow;
the coarse purification area comprises cobblestones, a cloth bag filled with non-Newtonian fluid and a hollow steel cage, the cloth bag is placed at the axial center of the steel cage, the cobblestones are tightly attached to the periphery of the cloth bag, gaps are formed in the surface of the steel cage, one end of each cobblestone extends out of the gaps, and the diameter of the middle part of each cobblestone is larger than that of each gap; placing gravel and zeolite in the secondary purification area; an ecological base is filled in the biological purification area, and aquatic plants are planted on the surface of the ecological base.
After the scheme is adopted, the following beneficial effects are realized: 1. for traditional ecological irrigation canals and ditches, utilize multilayer filter equipment to purify the water among this technical scheme to realize receiving the purification of water, the recycle of the water of being convenient for.
2. During the purification process, the mechanical grating intercepts and divides the large particles, and simultaneously when the water flow enters the coarse purification area, the cobblestones in the coarse purification area intercept and wash floating objects and fine particles in the water, when the impact force of the water flow is weak, the cloth bag of the non-Newtonian fluid is soft, at the moment, the cobblestones sink towards the cloth bag gradually under the impact of the water flow, because the non-Newtonian fluid loaded in the cloth bag is constant, when one side sinks, the corresponding other side bulges, at the moment, because the flow direction of the water flow changes, the cobblestones do not stop at the gaps of the steel cage to bulge or float downwards, because the cobblestones only cling to the cloth bag at the moment, part of the cobblestones are in a free state, in the impacting process, the cobblestones rub against the steel cage at the position close to the steel cage, so that floating objects intercepted by the cobblestones are scraped by the steel cage, and the cobblestones are purified and cleaned.
3. The impurity that scrapes gathers into a group and is convenient for form the sediment, even if impurity part is in the floating state simultaneously, also can be intercepted by subsequent cobblestone to be convenient for impurity pile up in the cobblestone behind, be convenient for the gathering and the sediment of impurity, also be convenient for keep leading cobblestone cleanliness simultaneously, with the quick purification of realization entrance rivers.
4. When encountering water flow with high rush current or impact force, the cloth bag of the non-Newtonian fluid is hardened, the attached cobblestones are kept jacked up, the operation of flow splitting and flow rate reduction is carried out, the impact force on the subsequent purification device is reduced, and the service life of other structures is prolonged.
5. The combination of the gravels and the zeolite can purify a water body and remove organic matters and nitrogen and phosphorus nutrient elements in farmland returned water, and the ecological base is a novel biological carrier (filler) which can be attached with microorganisms and can remove exogenous bioactive substances such as heavy metals, algal toxins, pathogenic microorganisms and the like.
Further, the open channel includes canal wall and hole, the canal wall adopts equidistant formula ladder distribution that falls, and the hole is seted up at the intersection of arbitrary ladder, and the intercommunication has the drainage tube between hole and the ground, the drainage tube emits ground, and the drainage tube surface has the cap stopper.
Has the advantages that: for the prior art that adopts impurity to get rid of, utilize the drainage tube to be convenient for the detection of quality of water among this technical scheme, operating personnel can be according to the quality of water detection of the different degree of depth of different drainage tubes quality of water, and the structure of echelonment also is convenient for operating personnel to predict the water content of open channel simultaneously.
Furthermore, the drainage tubes are arranged on the ground from near to far according to the height of the holes communicated with the drainage tubes.
Has the advantages that: the operator can distinguish and detect the signal conveniently.
Further, the adjacent part of the open channel and the ground is provided with a guardrail.
Has the advantages that: prevent the grower from falling to the open channel.
Furthermore, the bottom of the steel cage is provided with opposite probing claws which are divided into a plurality of parts at equal intervals from the steel cage.
Has the advantages that: grab ground through visiting the claw, maintain the stability of steel cage, avoid producing and rock, the material gravity feedback of steel cage splendid attire promotes the hugging closely degree of steel claw and river course in steel claw department simultaneously.
Furthermore, one radial side of the probing claw is provided with a circular ring which is parallel and level to the steel cage, and the probing claw is immersed into the bottom of the channel.
Has the advantages that: because the probing claws form an opposite structure, a triangular stable structure is convenient to form in the pulling and lifting process to realize integral lifting.
Furthermore, the device also comprises a water diversion canal positioned on the ground, wherein the water diversion canal is intersected at the water diversion dark culvert.
Has the advantages that: the collection and the introduction of water flow are convenient.
Drawings
FIG. 1 is a construction view of an ecological canal section according to an embodiment of the present invention;
FIG. 2 is a block diagram of the open channel of FIG. 1;
fig. 3 is a structural view of a rough cleaning area.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the water diversion and drainage system comprises a water diversion and drainage culvert 1, a drainage and drainage culvert 2, an open channel 3, a channel wall 301, holes 302, a drainage pipe 303, a water diversion channel 4, a mechanical grid 5, a coarse purification area 6, cobblestones 601, a cloth bag 602, a steel cage 603, a probe 604, a ring 605, a secondary purification area 7 and a biological purification area 8.
The embodiment is substantially as shown in figures 1 and 2: a novel ecological ditch for agricultural non-point source pollution treatment comprises a diversion culvert 1, a drainage culvert 2, an open channel 3 and a diversion channel 4 positioned on the ground, wherein the diversion channel 4 is intersected at the diversion culvert 1, a filtering assembly is connected between the diversion culvert 1 and the open channel 3, and the filtering assembly is sequentially provided with a mechanical grating 5, a coarse purification area 6, a secondary purification area 7 and a biological purification area 8 along the flowing direction of water flow;
referring to fig. 3, the coarse purification area 6 includes cobblestones 601, a cloth bag 602 filled with non-newtonian fluid, and a hollow steel cage 603, the bottom of the steel cage 603 has opposite probes 604, the probes 604 are equally spaced apart from the steel cage 603 and present in several parts, one radial side of the probe 604 has a ring 605, the ring 605 is flush with the steel cage 603, and the probes 604 sink into the bottom of the channel.
The cloth bag 602 is placed at the axial center of the steel cage 603, the cobblestones 601 cling to the periphery of the cloth bag 602, gaps are formed in the surface of the steel cage 603, one end of each cobblestone 601 extends out of each gap, and the diameter of the middle of each cobblestone 601 is larger than that of each gap; the secondary purification area 7 is provided with gravel and zeolite; an ecological base is filled in the biological purification area 8, and aquatic plants are planted on the surface of the ecological base.
The open channel 3 comprises a channel wall 301 and holes 302, a guardrail is arranged at the adjacent position of the open channel 3 and the ground, the channel wall 301 is distributed in staggered steps at equal intervals, the holes 302 are formed at the intersection of any step, a drainage pipe 303 is communicated between the holes 302 and the ground, the drainage pipe 303 protrudes out of the ground, a cap plug is arranged on the surface of the drainage pipe 303, and the drainage pipe 303 is arranged on the ground from near to far according to the height of the holes 302 communicated with the drainage pipe 303.
The specific implementation process is as follows: after water flow enters the water diversion culvert 1, the water flow passes through the coarse purification area 6, in the purification process, large particles are intercepted and divided by the mechanical grating 5, meanwhile, when the water flow enters the coarse purification area 6, floaters and fine particles in water quality are intercepted and washed by the cobblestones 601 in the coarse purification area 6, when the impact force of the water flow is weak, the cloth bag 602 of non-Newtonian fluid is soft, at the moment, the cobblestones 601 gradually sink towards the cloth bag 602 under the impact of the water flow, because the non-Newtonian fluid loaded in the cloth bag 602 is constant, when one side sinks, the corresponding other side protrudes, at the moment, because the flow direction of the water flow changes, the cobblestones 601 continuously protrude or float at the gap of the steel cage 603, because the cobblestones 601 only cling to the cloth bag 602 at the moment, part of the cobblestones 601 are in a free state, and friction with the steel cage 603 is generated at the position where the cobblestones 601 is close to the steel cage 603 in the impact, therefore, the floating objects intercepted by the cobblestones 601 are scraped by the steel cage 603, and the cobblestones 601 are purified and cleaned.
The scraped impurities are gathered into a mass to form precipitates conveniently, and meanwhile, even if the impurities are partially in a floating state, the impurities can be intercepted by subsequent cobblestones 601, so that the impurities can be conveniently accumulated in the subsequent cobblestones 601, the impurities can be conveniently gathered and precipitated, meanwhile, the cleanliness of the preposed cobblestones 601 can be conveniently maintained, the rapid purification of water flow at an inlet can be realized, when the cobblestones are subjected to a rapid flow or the water flow with large impact force, the cloth bag 602 of non-Newtonian fluid is hardened, the attached cobblestones 601 are kept jacked up, the flow splitting and reducing speed operation is carried out, the impact force applied to the subsequent purification device is reduced, and the service life of other structures is prolonged.
In view of the above purification combination, the gravel and zeolite combination in the secondary purification area 7 can purify the water body to remove organic matters and nitrogen and phosphorus nutrient elements in farmland returning water, and the ecological base of the biological purification area 8 is a novel biological carrier (filler) which can be attached with microorganisms to remove exogenous bioactive substances such as heavy metals, algal toxins, pathogenic microorganisms and the like.
Simultaneously the drainage tube 303 among this technical scheme be convenient for the detection of quality of water, and operating personnel can be according to the quality of water detection of the different degree of depth of different drainage tubes 303 quality of water, and the structure of echelonment also is convenient for operating personnel to predict the water content of open channel 3 simultaneously.
Because of having and visiting claw 604, coarse purification region 6 grabs the ground through visiting claw 604, maintains the stability of steel cage 603, avoids producing and rocks, and the material gravity of steel cage 603 splendid attire feeds back in steel claw department simultaneously, promotes the hugging closely degree of steel claw and river course, visits claw 604 simultaneously and forms the opposition structure, is convenient for form triangular stable structure realization holistic promotion in the process of drawing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a novel ecological irrigation canals and ditches for agricultural non-point source pollution treatment, includes diversion dark culvert, drainage dark culvert and open channel, its characterized in that: a filtering component is connected between the water diversion hidden culvert and the open channel, and the filtering component is sequentially provided with a mechanical grating, a coarse purification area, a secondary purification area and a biological purification area along the flowing direction of water flow;
the coarse purification area comprises cobblestones, a cloth bag filled with non-Newtonian fluid and a hollow steel cage, the cloth bag is placed at the axial center of the steel cage, the cobblestones are tightly attached to the periphery of the cloth bag, gaps are formed in the surface of the steel cage, one end of each cobblestone extends out of the gaps, and the diameter of the middle part of each cobblestone is larger than that of each gap; placing gravel and zeolite in the secondary purification area; an ecological base is filled in the biological purification area, and aquatic plants are planted on the surface of the ecological base.
2. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 1, is characterized in that: the open channel comprises a channel wall and holes, the channel wall is distributed in a staggered step mode at equal intervals, the holes are formed in the intersection of any step, a drainage pipe is communicated between the holes and the ground, the drainage pipe protrudes out of the ground, and a cap plug is arranged on the surface of the drainage pipe.
3. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 2, is characterized in that: the drainage tubes are arranged on the ground from near to far according to the height of the holes communicated with the drainage tubes.
4. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 3, characterized in that: the adjacent part of the open channel and the ground is provided with a guardrail.
5. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 1, is characterized in that: the bottom of the steel cage is provided with opposite probing claws which are equally spaced and divided into a plurality of parts from the steel cage.
6. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 5, is characterized in that: one radial side of the probing claw is provided with a circular ring, the circular ring is flush with the steel cage, and the probing claw is submerged into the bottom of the channel.
7. The novel ecological ditch for agricultural non-point source pollution treatment according to claim 1, is characterized in that: the water diversion culvert is characterized by further comprising a water diversion canal positioned on the ground, wherein the water diversion canal is intersected at the water diversion dark culvert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237511.5A CN113024020A (en) | 2021-03-03 | 2021-03-03 | Novel ecological ditch for agricultural non-point source pollution treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237511.5A CN113024020A (en) | 2021-03-03 | 2021-03-03 | Novel ecological ditch for agricultural non-point source pollution treatment |
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| Publication Number | Publication Date |
|---|---|
| CN113024020A true CN113024020A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110237511.5A Pending CN113024020A (en) | 2021-03-03 | 2021-03-03 | Novel ecological ditch for agricultural non-point source pollution treatment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318718A (en) * | 2007-06-05 | 2008-12-10 | 北京科净源环宇科技发展有限公司 | Bionic reinforced scouring method for landscape water environment |
| EP2028160A2 (en) * | 2007-08-24 | 2009-02-25 | Bright Water Company B.V. | Modular floating helophyt filter |
| CN105804033A (en) * | 2016-03-29 | 2016-07-27 | 哈尔滨工业大学 | Integrated W-shaped farmland ecological liquid waste ditch |
| CN106430807A (en) * | 2016-07-26 | 2017-02-22 | 岭南新科生态科技研究院（北京）有限公司 | Ecological ditch system for improving receiving water non-point source pollution treatment |
| CN107047266A (en) * | 2017-01-24 | 2017-08-18 | 河海大学 | A kind of industrial crops band for agriculture irrigated area irrigation canals and ditches pollutant fluxes |
| CN112243927A (en) * | 2020-10-13 | 2021-01-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for intercepting agricultural non-point source pollution ecological ditch by using waste aquaculture pond |
-
2021
- 2021-03-03 CN CN202110237511.5A patent/CN113024020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318718A (en) * | 2007-06-05 | 2008-12-10 | 北京科净源环宇科技发展有限公司 | Bionic reinforced scouring method for landscape water environment |
| EP2028160A2 (en) * | 2007-08-24 | 2009-02-25 | Bright Water Company B.V. | Modular floating helophyt filter |
| CN105804033A (en) * | 2016-03-29 | 2016-07-27 | 哈尔滨工业大学 | Integrated W-shaped farmland ecological liquid waste ditch |
| CN106430807A (en) * | 2016-07-26 | 2017-02-22 | 岭南新科生态科技研究院（北京）有限公司 | Ecological ditch system for improving receiving water non-point source pollution treatment |
| CN107047266A (en) * | 2017-01-24 | 2017-08-18 | 河海大学 | A kind of industrial crops band for agriculture irrigated area irrigation canals and ditches pollutant fluxes |
| CN112243927A (en) * | 2020-10-13 | 2021-01-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for intercepting agricultural non-point source pollution ecological ditch by using waste aquaculture pond |
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