CN105585128B - A kind of ecological purification method in situ for being effectively improved river water quality - Google Patents
A kind of ecological purification method in situ for being effectively improved river water quality Download PDFInfo
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- CN105585128B CN105585128B CN201510958647.XA CN201510958647A CN105585128B CN 105585128 B CN105585128 B CN 105585128B CN 201510958647 A CN201510958647 A CN 201510958647A CN 105585128 B CN105585128 B CN 105585128B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000000746 purification Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 21
- 238000007667 floating Methods 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 230000012010 growth Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 244000005700 microbiome Species 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims abstract description 5
- 239000008213 purified water Substances 0.000 claims abstract description 5
- 238000009395 breeding Methods 0.000 claims abstract description 4
- 230000001488 breeding effect Effects 0.000 claims abstract description 4
- 230000002906 microbiologic effect Effects 0.000 claims abstract description 3
- 241000196324 Embryophyta Species 0.000 claims description 26
- 239000004575 stone Substances 0.000 claims description 4
- 244000205574 Acorus calamus Species 0.000 claims description 3
- 241001494508 Arundo donax Species 0.000 claims description 3
- 235000011996 Calamus deerratus Nutrition 0.000 claims description 3
- 235000005273 Canna coccinea Nutrition 0.000 claims description 3
- 240000008555 Canna flaccida Species 0.000 claims description 3
- 241001517066 Iris sibirica Species 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000813 microbial effect Effects 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000252983 Caecum Species 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 210000004534 cecum Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241001113556 Elodea Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241001123263 Zostera Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012546 transfer 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
-
- 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
-
- 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
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- General Engineering & Computer Science (AREA)
- Botany (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ecology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of ecological purification methods in situ for being effectively improved river water quality, belong to low stain water body eco-treatment technology field.Composite ecological floating island is mainly established in river, perennial water plant is planted on chinampa, it is purified water using root system of plant, oxygen is conveyed into water body, on chinampa suspended from elastic biological filler, elastic biological filler provides the apposition growth space of indigenous microorganism；Water-raising aerating apparatus is further additionally provided in river, for river water body aeration aerating, promotes the growth and breeding of aerobic microbiological；The other end in river can also be transported to by the water pipe that flows back by flowing back water pump by part water body in the one end in river, formation circulates.Compared with prior art, the present invention constructs the environment with water plant, microbial synchronous growth in river water body, and the flowing of water body is formed, these measures can effectively improve the self-purification capacity of water body, contribute to the formation of the benign aquatic ecosystem in river.
Description
Technical field
The present invention relates to a kind of ecological purification methods in situ for being effectively improved river water quality, belong at low stain water ecology
Manage technical field.
Background technology
With the quickening of urbanization process, urban life pollution increases significantly, and huge choose is brought to treatment
War.Particularly in Jiangnan lowland river gateway control water body area, city beheaded river and caecum river because river water prolonged stay is generally deposited
Body eutrophication is serious, water quality is poor the problem of, city entirety water environment has been seriously affected.How city broken end is improved
River and caecum river water quality are always focus of concern.
Existing river recovery technique is often the planting aquatic plants in river, and plan is made a return journey by the growth of plant denitrogenates
The pollutants such as phosphorus, but engineering practice proves to be difficult merely to obtain higher contaminant removal efficiency by the growth of plant；Such as
Fruit bypasses purification techniques to maintain river water quality using enhanced type, then needs larger treating capacity and shorter cycle period, this
The construction scale of sample bypass clean-up system and investment all can be larger, and operating cost is also high, and the ecological self-purification effect of water course in situ
It can not utilized and be played well.
Invention content
It is an object of the invention to be directed to the deficiency of existing waterway (especially beheaded river) water body purification technology, one kind is provided
It is effectively improved the ecological purification method in situ of river water quality, water quality and the landscape effect of river training (especially beheaded river) water body
It should.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of ecological purification method in situ for being effectively improved river water quality, establishes composite ecological floating island in river,
Perennial water plant is planted above chinampa, is purified water using root system of plant, oxygen is conveyed into water body, is hanged below chinampa
Elastic biological filler is hung, elastic biological filler provides the apposition growth space of indigenous microorganism.
The composite ecological floating island is spliced by chinampa unit block, and on chinampa, the top of unit block is equipped with fixed
Basket is planted, for water plant planting, the lower section of unit block on chinampa, fixed cultivation plastic wire, using cultivating on plastic wire
Cable connects bioelastic filler, in the lower end of bioelastic filler, is connected bioelastic filler with connecting tube.
The water body coverage of the composite ecological floating island is the 20%~30% of coverage of water.
The water plant based on emergent aquactic plant and floatingleaved plant, including Siberian iris, calamus, canna or
Arundo donax.
Counterweight stone is connected in the connecting tube, device is caused on the whole to prevent elastic biological filler light specific gravity
It is floating.
Preferably, purification method of the present invention in addition to composite ecological floating island is established, is additionally provided with the aeration that pumps up water in river
Device, along river length direction, interval 400-600 meter amperes fill a water-raising aerating apparatus, for river water body aeration aerating, promote
Into the growth and breeding of aerobic microbiological.
It is further preferred that purification method of the present invention, except establishing composite ecological floating island and setting water-raising aerating apparatus
Outside, also it is transported to the other end in river by the water pipe that flows back by flowing back water pump by part water body in the one end in river, formation follows
Circulation moves, and daily quantity of circulating water is the 1/10~1/7 of river water body volume.
In addition, when river water body transparency improves to 0.7m or so, start to restore the submerged plant (marshland full of water weeds in right amount in river
Careless, black algae, eel grass restore area and account for about the 10% of river area), and put the aquatiles such as spiral shell, freshwater mussel in a suitable place to breed, gradually restore good
The river aquatic ecosystem of property.
Purification method of the present invention can be adapted for a variety of river forms, be particularly suitable for beheaded river.
The present invention makes full use of the purification efficiency of the indigenous microorganism and water plant in waterway system, play biology and
The respective advantage of ecological technique in water course in situ purification, is transformed using floating island device, is planted on chinampa perennial
Water plant is purified water using the root system of plant prosperity, oxygen is conveyed into water body；It is filled out on chinampa suspended from elastic biological
Material, the part indigenous microorganism in river bottom mud is moved on biologic packing material, and such river better purifying space is from simple water and soil
Interface can increase on the cross-section of river in river, and purification volume can be effectively improved；In addition, the tail end in river is set
Immersible pump is put, the water body promotion of certain volume is back to the other end in river, formation circulates, the fluidised form of river training
And mass transfer effect, so as to improve the self-purification capacity of river water body, the synergistic purification for effectively playing microorganism and water plant is made
With.
Compared with prior art, the present invention constructs in river water body grows with water plant, microbial synchronous
Environment, and the flowing of water body is formed, these measures can effectively improve the self-purification capacity of water body, contribute to river benign
The formation of aquatic ecosystem.
Description of the drawings
Fig. 1 be river, chinampa, water-raising aerating apparatus arrangement schematic diagram；
Fig. 2 is the structural plan schematic diagram of composite ecological floating island；
Fig. 3 is the structural profile illustration of composite ecological floating island；
In figure, 1 be beheaded river, 2 be reflux water pump, 3 be reflux water pipe, 4 be composite ecological floating island, 5 be pumping-up type expose
Mechanism of qi, 6 be chinampa unit block, 7 be field planting basket, 8 be connecting hole, 9 be elastic biological filler, 10 be cultivation plastic wire, 11 be
Water plant, 12 be connecting tube, 13 be counterweight stone.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The ecological purification method in situ of beheaded river water quality is effectively improved, as shown in Figure 1, being established in beheaded river 1 compound
Ecological floating island 4 is planted perennial water plant 11 on chinampa, is purified water using root system of plant, oxygen is conveyed into water body
Gas, on chinampa suspended from elastic biological filler, elastic biological filler provides the apposition growth space of indigenous microorganism.In addition,
Along river length direction, interval 400-600 meter amperes fill a pumping-up type aerator 6, for river water body aeration aerating, promote
The growth and breeding of oxygen animalcule.Part water body is also transported to by river by the water pipe 3 that flows back by the water pump 2 that flows back in the one end in river
The other end in road, formation circulate, and daily quantity of circulating water is the 1/10~1/7 of river water body volume.
Wherein, composite ecological floating island 4, structure as shown in Figure 2 and Figure 3, are spliced by chinampa unit block 6, and chinampa is single
First 6 size of component is 300 × 300 × 60mm, and shape is square, and on chinampa, 6 center of unit block is field planting basket for plant 7, is used
In 11 kinds of plants of water plant, on chinampa, 6 four side of unit block is respectively provided with a connecting hole 8, for chinampa unit block 6 to be connected
It is combined into required chinampa size.
Below composite ecological floating island 4, fixed cultivation plastic wire 10 is connected using the cable cultivated on plastic wire 10
Elastic biological filler 9 in the lower end of elastic biological filler 9, is connected elastic biological filler 9 with connecting tube 12, at every
1 counterweight stone 13 is connected in connecting tube 12, device is caused integrally to float to prevent 9 light specific gravity of elastic biological filler.Connection
Pipe 12 preferably uses pvc pipe.
It is a concrete application embodiment below.
It is 0.8km that experiment place, which is length, certain city river of mean breadth 10m, mean depth 1.2m, and river is main
Pollutant is COD, ammonia nitrogen, nitrate nitrogen, total phosphorus.COD 40~60mg/L of content, 2~6mg/L of ammonia-nitrogen content in water inlet are measured,
Nitrate nitrogen content is 1~2mg/L, 0.3~0.5mg/L of total phosphorus content, 0.3~0.5m of transparency.
According to factors such as the length in river, width, mean depths, experiment determines that, using 2 pumping-up type aerators, power is
1.5kW, clipping room is away from for 500m.
1600m is installed in both sides altogether in river2Composite ecological floating island, for the width per side chinampa for 1m, length is edge
River is laid, and plants Siberian iris, calamus, canna, Arundo donax, number of plant average mark above chinampa in field planting basket
Match；Suspended from elastic biological filler, biologic packing material length is 1m on chinampa.
Tail end in river has built a return-flow system, and flowed back river water about 1500m daily by immersible pump3, river
Road water cycle period is about 7 days.The water pipe that flows back uses the PVC pipeline of a diameter of DN150.
After system stablizes three months after building up, river water quality is monitored, COD contents drop to 22~35mg/L, and nitrate contains
1.2~2.5mg/L, 0.2~0.5mg/L of ammonia-nitrogen content, 0.12~0.25mg/L of total phosphorus content are measured, transparency stable maintains
0.80~1.2m, the construction of the ecosystem play the role of good holding for beheaded river water quality.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously can easily make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to above-described embodiment, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (7)
1. a kind of ecological purification method in situ for being effectively improved river water quality, which is characterized in that compound life is established in river
Perennial water plant is planted on state chinampa on chinampa, is purified water using root system of plant, oxygen is conveyed into water body,
Chinampa provides the apposition growth space of indigenous microorganism suspended from elastic biological filler, elastic biological filler；In river also
Water-raising aerating apparatus is provided with, for river water body aeration aerating, promotes the growth and breeding of aerobic microbiological；Also the one of river
End is transported to the other end in river by flowing back water pump by part water body by the water pipe that flows back, and formation circulates；
The composite ecological floating island is spliced by chinampa unit block, and on chinampa, the top of unit block is equipped with field planting
Basket, for water plant planting, the lower section of unit block on chinampa, fixed cultivation plastic wire utilizes the net cultivated on plastic wire
Line connects bioelastic filler, in the lower end of bioelastic filler, is connected bioelastic filler with connecting tube.
A kind of 2. ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that institute
The water body coverage for the composite ecological floating island stated is the 20%~30% of coverage of water.
A kind of 3. ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that institute
The water plant stated is based on emergent aquactic plant and floatingleaved plant, including Siberian iris, calamus, canna or Arundo donax.
4. a kind of ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that
Counterweight stone is connected in the connecting tube.
A kind of 5. ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that edge
Channel length direction, interval 400-600 meter amperes fill a water-raising aerating apparatus.
6. a kind of ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that every
Its quantity of circulating water is the 1/10~1/7 of river water body volume.
A kind of 7. ecological purification method in situ for being effectively improved river water quality according to claim 1, which is characterized in that institute
The river stated is beheaded river.
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| CN201510958647.XA CN105585128B (en) | 2015-12-18 | 2015-12-18 | A kind of ecological purification method in situ for being effectively improved river water quality |
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| CN201510958647.XA CN105585128B (en) | 2015-12-18 | 2015-12-18 | A kind of ecological purification method in situ for being effectively improved river water quality |
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| CN105585128A CN105585128A (en) | 2016-05-18 |
| CN105585128B true CN105585128B (en) | 2018-06-26 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082442A (en) * | 2016-06-14 | 2016-11-09 | 珠江水资源保护科学研究所 | A kind of artificial ecological system and Ecological water treatment method |
| CN107352652A (en) * | 2017-02-13 | 2017-11-17 | 江苏美景时代环保科技有限公司 | A kind of pumping-up type is oxygenated ecoscape prosthetic device |
| CN107226593A (en) * | 2017-07-28 | 2017-10-03 | 广州华苑园林股份有限公司 | Water purification system and method for purifying water |
| CN107324503A (en) * | 2017-08-08 | 2017-11-07 | 浙江清华长三角研究院 | A kind of ecosystem for administering broken end creek |
| CN107739098B (en) * | 2017-10-19 | 2020-12-25 | 中冶华天工程技术有限公司 | Method for purifying water quality and restoring water ecology of polluted urban internal lake |
| CN107973413A (en) * | 2017-12-19 | 2018-05-01 | 马鞍山市三环碧源水处理工程有限公司 | One kind, which is pumped up water, is aerated artificial wet land system and method |
| CN108191070A (en) * | 2017-12-20 | 2018-06-22 | 浙江省亚热带作物研究所 | A kind of method that ecological floating island using plant-microorganism coupling improves water quality |
| CN109264929A (en) * | 2018-10-23 | 2019-01-25 | 江苏大学 | The non-navigation urban river water comprehensive environmental improvement system of one kind and application method |
| CN109574248B (en) * | 2018-12-17 | 2021-07-13 | 重庆工商大学 | Method for intercepting and purifying pollution of in-situ ecological ditch of water replenishing water system |
| CN109942147A (en) * | 2019-03-07 | 2019-06-28 | 中国水利水电科学研究院 | A kind of processing system of urban polluted water |
| CN110436637A (en) * | 2019-09-03 | 2019-11-12 | 上海交通大学 | A kind of biological floating bed and its application |
| CN112299564A (en) * | 2020-10-14 | 2021-02-02 | 北京远浪潮生态建设有限公司 | Method for purifying black and odorous water body water quality of river channel |
| CN113548733A (en) * | 2021-06-30 | 2021-10-26 | 中冶华天南京工程技术有限公司 | River course in-situ purification method |
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| CN103739079A (en) * | 2013-12-31 | 2014-04-23 | 天津大学 | Method for ecological restoration and water quality conservation of river water |
| CN203700108U (en) * | 2013-12-24 | 2014-07-09 | 闫明 | Treatment frame of river-channel landscape water |
| CN204675896U (en) * | 2015-05-27 | 2015-09-30 | 吴晨晖 | A kind of multifunction manual chinampa |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203700108U (en) * | 2013-12-24 | 2014-07-09 | 闫明 | Treatment frame of river-channel landscape water |
| CN103739079A (en) * | 2013-12-31 | 2014-04-23 | 天津大学 | Method for ecological restoration and water quality conservation of river water |
| CN204675896U (en) * | 2015-05-27 | 2015-09-30 | 吴晨晖 | A kind of multifunction manual chinampa |
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