CN113493247A - Method for ecological restoration of river channel - Google Patents
Method for ecological restoration of river channel Download PDFInfo
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- CN113493247A CN113493247A CN202110754244.9A CN202110754244A CN113493247A CN 113493247 A CN113493247 A CN 113493247A CN 202110754244 A CN202110754244 A CN 202110754244A CN 113493247 A CN113493247 A CN 113493247A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000007667 floating Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000746 purification Methods 0.000 claims abstract description 12
- 239000001963 growth medium Substances 0.000 claims abstract description 7
- 244000005700 microbiome Species 0.000 claims abstract description 6
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 9
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 3
- 241000186660 Lactobacillus Species 0.000 claims description 3
- 241000194036 Lactococcus Species 0.000 claims description 3
- 229940039696 lactobacillus Drugs 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 2
- 239000002346 layers by function Substances 0.000 claims description 2
- 230000000813 microbial effect Effects 0.000 abstract description 3
- 239000002023 wood Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 8
- 238000011084 recovery Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 241000498251 Hydrilla Species 0.000 description 4
- 241000722195 Potamogeton Species 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000252229 Carassius auratus Species 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- 241001123263 Zostera Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000220225 Malus Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241000269800 Percidae Species 0.000 description 1
- 241000555922 Potamogeton crispus Species 0.000 description 1
- 241000235342 Saccharomycetes Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- 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
- C02F3/32—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
-
- 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
- C02F3/347—Use of yeasts or fungi
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Botany (AREA)
- Mycology (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Ecology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a method for ecological restoration of a river channel, which comprises the steps of restoring the downstream of the river channel, sequentially laying a flow reducing section and an ecological restoration floating section along the water flow direction, wherein one or more of fine sand, pebbles and wood piles can be laid in the flow reducing section for reducing the water flow speed, the ecological restoration floating section comprises a plurality of mutually connected floating plates, the floating plates are fixed on two sides of the river channel through traction ropes, one or more of a purification device, submerged plants and a microorganism culture medium are arranged below the floating plates, and the ecological restoration operation can be gradually restored while the river channel is purified. The invention designs a river channel ecological restoration method, which can quickly restore an ecologically damaged river channel, and is beneficial to quickly restoring a biological chain by increasing microbial treatment while purifying water.
Description
Technical Field
The invention relates to the technical field of riverway restoration, in particular to a method for riverway ecological restoration.
Background
In recent years, with the rapid development of our country's economy and the over-exploitation and utilization of water resources, the water quality of rivers deteriorates as industrial wastewater, agricultural wastewater, domestic wastewater, surface runoff water and the like flow into the rivers, and the ecological environment of the rivers is seriously damaged. Except exogenous pollution, the endogenous pollution of rivers cannot be ignored, and the bottom of a river is silted up and black mud floats on the water surface for a long time, and particularly in summer, the mud floats and has odor, so that the water scenery and the life of surrounding residents are seriously influenced.
At present, the key point of river regulation is pollutant interception and treatment, and the treatment of dirt, disorder and bad smell in water body and elimination of black and bad smell in water body. However, the pollution interception treatment can only solve exogenous pollution, endogenous pollution still exists, and the ecological function of the river still cannot be recovered.
Although people try to carry out ecological restoration on some rivers at present, the main means is to adopt a purification device to purify water and control submerged plants, so that the water quality of the river is certainly purified, and the ecological effect is still slow.
Disclosure of Invention
In view of the defects in the background art, the invention relates to a method for restoring the ecology of a river channel, and according to the problems, the method for restoring the ecology of the river channel is designed, so that the ecologically damaged river channel can be restored quickly, the microbial treatment is added while water is purified, and the quick restoration of a biological chain is facilitated.
The invention relates to a method for ecological restoration of a river channel, which comprises the steps of restoring the downstream of the river channel, sequentially laying a flow reducing section and an ecological restoration floating section along the water flow direction, wherein one or more of fine sand, pebbles and wood piles can be laid in the flow reducing section for reducing the water flow speed, the ecological restoration floating section comprises a plurality of mutually connected floating plates, the floating plates are fixed on two sides of the river channel through traction ropes, one or more of a purification device, submerged plants and a microorganism culture medium are arranged below the floating plates, and the ecological restoration operation can be gradually restored while the river channel is purified.
Through adopting above-mentioned scheme, slow down the velocity of water flow above rivers to the large-scale pollutant that floats is intercepted, and the ecological section of floating that resumes of rethread carries out quality of water purification and ecological recovery, improves river course recovery speed.
Furthermore, a grid structure is arranged between the flow reducing section and the ecological restoration floating section, the grid structure adopts a galvanized net, and the bottom of the grid structure is connected with an anchor.
By adopting the scheme, the flow reducing section and the ecological restoration floating section can be separated through the galvanized gabion mesh, and pollutants with larger volume can be effectively blocked.
Further, the anchor is a stone block with the diameter larger than 20cm and is fixed with the grid structure through a galvanized gabion net.
By adopting the scheme, the anchoring effect is better.
Further, the length of the flow reduction section along the water flow direction is not less than 100 m.
By adopting the scheme, the water flow speed is effectively relieved, and the water quality is preliminarily purified.
Further, the length of the ecological restoration floating section along the water flow direction is not less than 150 m.
Through adopting above-mentioned scheme, play the effect of administering the river course, accelerate ecological restoration effect through the microorganism simultaneously.
Further, the interval between each floating plate in the ecological restoration floating section is 20-30 cm.
Through adopting above-mentioned scheme, avoid sheltering from sunshine, guarantee the photosynthesis under water.
Further, the submerged plant is one or more of eel grass, hydrilla verticillata, microtooth potamogeton herb, goldfish algae, watermifoil, hydrilla crispata, and malus potamogeton herb.
Through adopting above-mentioned scheme, the submerged plant provides more life perches and hidden places for the aquatic animal, can increase the dissolved oxygen of aquatic again, and water purification enlarges aquatic animal's effective living space, and simultaneously, the tender part of submerged plant can supply the aquatic animal again and ingest to improve whole aquatic ecosystem.
Further, the purification device is one or more of modified medical stones, volcanic rocks or ceramsite.
By adopting the scheme, the purification effect on the water body is realized.
Further, the microorganism culture medium comprises bacillus, lactobacillus, lactococcus and yeast.
By adopting the scheme, ecological restoration is accelerated, microbial flora is increased, and turbidity and peculiar smell of water are effectively decomposed and removed.
Further, the floating plate is of an upper-lower structure, the upper layer is a floating layer, and the lower layer is a functional layer.
By adopting the scheme, the floating is convenient, and the lower functional area can be added with corresponding substances according to actual conditions.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic plan view of the structure of the embodiment of the present invention.
FIG. 2 is a schematic view of the structure of example 1 of the present invention in a longitudinal section along the water flow.
FIG. 3 is a schematic view of the structure of example 2 of the present invention in a longitudinal section along the water flow.
FIG. 4 is a schematic diagram of a floating plate structure according to an embodiment of the present invention
Reference numeral, 1, river channel; 2. a flow reducing section; 3. an ecological recovery floating section; 31. a floating plate; 32. an upper layer; 33. a lower layer; 4. a grid structure; 5. an anchor; 6. galvanized gabion mesh.
Detailed Description
While the embodiments of the present invention will be described and illustrated in detail with reference to the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, equivalents, and alternatives falling within the scope of the invention as defined by the appended claims.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking specific embodiments as examples with reference to the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The embodiment 1 of the invention is shown by referring to fig. 1 and fig. 2, and comprises a middle-downstream river channel 1 with a relatively straight flow direction, wherein the river channel 1 is sequentially provided with a flow reducing section 2 and an ecological restoration floating section 3 along the water flow direction, fine sand is arranged at the lower layer of the river channel 1 in the flow reducing section 2, pebbles are paved on the fine sand to play a role in slowing down the water flow, a dirt blocking net with a grid structure is arranged between the flow reducing section 2 and the ecological restoration floating section 3, an anchor 5 is connected below the dirt blocking net, the anchor 5 is a stone block with the diameter larger than 20cm, the stone block is arranged inside a galvanized stone cage net 6 and fixed, floating piles are arranged on the dirt blocking net, and the dirt blocking net with the net structure is spread out through the functions of the floating piles and the stone block to effectively block visible garbage.
Referring to fig. 4, the ecological restoration floating section 3 includes a floating plate 31 located on the water surface, the floating plate 31 is divided into an upper layer 32 and a lower layer 33, the upper layer 32 adopts a hollow floating structure, the weight of the lower layer 33 is greater than that of the upper layer 32, and the upper layer 32 and the lower layer 33 are fixedly connected through a connecting rod. The biological culture medium and/or the purification device can be placed in the lower layer, bacillus, lactobacillus, lactococcus and saccharomycetes are contained in the biological culture medium, peculiar smell and a small amount of pigment in water are effectively decomposed, and the water source purification effect is achieved. The purification device is one or more of modified medical stones, volcanic rocks or ceramsite, and can effectively improve water quality and optimize environment. The floating plate 31 is connected with the floating plate 31 through a traction rope, and the traction rope is a nylon rope or a steel wire rope and is stably connected. The distance between the floating plate 31 and the floating plate 31 is kept between 20cm and 30cm, and underwater sunlight irradiation is guaranteed.
Submerged plants are arranged on the bottom layer of the water area below the floating plate 31, the submerged plants are one or more of eel grass, hydrilla verticillata, potamogeton crenata, goldfish algae, watermifoil, hydrilla verticillata, potamogeton crispus and potamogeton malabaricus, different submerged plants can build ecological landscape areas, the ecological landscape areas and the pebble shoal areas are alternately arranged, and construction of different urban river-following landscapes is facilitated.
In the embodiment 2 of the invention, referring to fig. 3, on the basis of the embodiment 1, the wooden piles are added and inserted into the pebbles and the fine sand in the flow reducing section 2, so that the water source can be further blocked, the water flow is reduced, the treatment is convenient, and a new ecology is formed.
According to the river channel 1, water purification and ecological environment recovery are carried out through the flow reducing section 2 and the ecological recovery floating section 3, the recovery speed is effectively improved, the length of the flow reducing section 2 is not less than 100m, and the ecological recovery floating section 3 is not less than 150m
In the description of the present invention, it should be noted that the terms "upper" and "lower" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for ecological restoration of a river channel comprises the river channel, and is characterized in that: do the restoration in river course low reaches, lay in proper order along the rivers direction and subtract a class section, ecological restoration showy section, can lay one or more in fine sand, cobble, the stake in subtracting the class section for slow down the velocity of water, ecological restoration showy section includes a plurality of interconnect's showy board, it is fixed in the river course both sides through the haulage rope to float the board, float and be provided with purifier, submerged plant, the one or more in the microorganism culture medium under the board, can progressively resume ecological operation when purifying the river course.
2. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: a grid structure is arranged between the flow reducing section and the ecological restoration floating section, the grid structure adopts a galvanized net, and the bottom of the grid structure is connected with an anchor.
3. The method for river ecological restoration according to claim 2, wherein the method comprises the following steps: the anchor is a stone block with the diameter larger than 20cm and is fixed with the grid structure through a galvanized gabion net.
4. The method for river ecological restoration according to claim 3, wherein the method comprises the following steps: the length of the flow reducing section along the water flow direction is not less than 100 m.
5. The method for river ecological restoration according to claim 4, wherein the method comprises the following steps: the length of the ecological restoration floating section along the water flow direction is not less than 150 m.
6. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: the interval between each floating plate in the ecological restoration floating section is 20-30 cm.
7. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: the submerged plant is one or more of herba Swertiae Dilutae, HERBA ALIPIENTIS, LUANZICAI, JINYUZAO, HULUWEI, HERBA ALIPIENTIS, curlicutus crispus, and MAYANZICAI.
8. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: the purification device is one or more of modified medical stones, volcanic rocks or ceramsite.
9. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: the microorganism culture medium contains bacillus, lactobacillus, lactococcus and yeast.
10. The method for river ecological restoration according to claim 1, wherein the method comprises the following steps: the floating plate is of an upper structure and a lower structure, the upper layer is a floating layer, and the lower layer is a functional layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110754244.9A CN113493247A (en) | 2021-07-05 | 2021-07-05 | Method for ecological restoration of river channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110754244.9A CN113493247A (en) | 2021-07-05 | 2021-07-05 | Method for ecological restoration of river channel |
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| Publication Number | Publication Date |
|---|---|
| CN113493247A true CN113493247A (en) | 2021-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110754244.9A Pending CN113493247A (en) | 2021-07-05 | 2021-07-05 | Method for ecological restoration of river channel |
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| Country | Link |
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| CN (1) | CN113493247A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876402A (en) * | 2015-06-10 | 2015-09-02 | 中电建路桥集团有限公司 | Heavily polluted river habitat reconstruction process |
| CN105753164A (en) * | 2016-04-22 | 2016-07-13 | 重庆大方生态环境治理股份有限公司 | Sinking type river channel wetland system for river channel ecological restoration and construction method thereof |
| 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 |
-
2021
- 2021-07-05 CN CN202110754244.9A patent/CN113493247A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876402A (en) * | 2015-06-10 | 2015-09-02 | 中电建路桥集团有限公司 | Heavily polluted river habitat reconstruction process |
| CN105753164A (en) * | 2016-04-22 | 2016-07-13 | 重庆大方生态环境治理股份有限公司 | Sinking type river channel wetland system for river channel ecological restoration and construction method thereof |
| 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 |
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Application publication date: 20211012 |
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