CN220393511U - Improved structure of multipurpose river channel substrate - Google Patents
Improved structure of multipurpose river channel substrate Download PDFInfo
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- CN220393511U CN220393511U CN202321195592.8U CN202321195592U CN220393511U CN 220393511 U CN220393511 U CN 220393511U CN 202321195592 U CN202321195592 U CN 202321195592U CN 220393511 U CN220393511 U CN 220393511U
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- river course
- improvement structure
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- ecological
- river
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- 239000000758 substrate Substances 0.000 title claims description 27
- 230000006872 improvement Effects 0.000 claims abstract description 41
- 239000000945 filler Substances 0.000 claims abstract description 25
- 230000000813 microbial effect Effects 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 244000005700 microbiome Species 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 17
- 238000006213 oxygenation reaction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 241000233866 Fungi Species 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 239000013049 sediment Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 description 13
- 231100000719 pollutant Toxicity 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000012010 growth Effects 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 231100001240 inorganic pollutant Toxicity 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
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- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
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Abstract
The application relates to a multipurpose river course basement improvement structure, including river course and the basement improvement structure of setting in river course bottom top, basement improvement structure includes braced skeleton, ecological filler and microbial agent, braced skeleton is fixed to be set up the river course bottom, ecological filler is filled in braced skeleton, microbial agent throws and spills ecological filler surface. The novel river bottom biological chain system is formed by the microorganisms, the ecological fillers, the supporting framework and the water environment in the river channel through combination and collocation, the sediment ecological system damaged by dredging can be quickly recovered, the self-cleaning capacity of the river in unit area can be improved by 8-10 times, and the surface flow wetland purifying capacity in unit area can be improved by 4-5 times.
Description
Technical Field
The application relates to the technical field of ecological restoration of water bodies, in particular to a multipurpose river channel substrate improvement structure.
Background
Sediment is sediment of rivers and lakes, and is an important component of natural water areas. The dynamic balance of absorption and release exists between the water body and the bottom mud, and when the water body is severely polluted, a part of pollutants can enter the bottom mud through the functions of precipitation, adsorption and the like; after the pollution caused by the external source is controlled, various organic and inorganic pollutants accumulated in the bottom mud re-enter the overlying water body through the physical, chemical and biological exchange action between the organic and inorganic pollutants and the overlying water body, and become a main source of the endogenous pollution of the water body.
At present, besides being influenced by sediment components and the like, the release of pollutants in the sediment is also an important influencing factor for the release of the sediment pollutants, and researches show that anaerobic conditions are main reasons for promoting the release of nitrogen and phosphorus in the sediment, and the nutrient salt level of the overlying water body can influence the release degree of nitrogen and phosphorus nutrient salts in the sediment. The environmental factors influencing the release of the sludge pollutants mainly comprise dissolved oxygen, temperature, pH value, external disturbance and the like. The existing large-scale water bottom ecological treatment technology is difficult to thoroughly solve the problem of water ecological restoration or needs a quite long time to finish the water ecological restoration.
In view of the above related art, there is a defect that improvement efficiency of the river base is not high.
Disclosure of Invention
In order to improve the improvement efficiency of the river channel substrate as much as possible, the application provides a multipurpose river channel substrate improvement structure.
The application provides a multipurpose river course basement improvement structure adopts following technical scheme:
the utility model provides a multipurpose river course basement improvement structure, includes the river course and sets up the basement improvement structure in river course bottom top, basement improvement structure includes braced skeleton, ecological packing and microbial agent, braced skeleton is fixed to be set up the river course bottom, ecological packing is filled in braced skeleton, microbial agent sets up ecological packing surface.
By adopting the technical scheme, the novel river bottom biological chain system is formed by combining and collocating microorganisms, ecological fillers, supporting frameworks and water environment in the river channel, the sediment ecological system damaged by dredging can be quickly recovered, the river self-cleaning capacity of unit area can be improved by 8-10 times, and the surface flow wetland purifying capacity of unit area can be improved by 4-5 times.
Optionally, a plurality of gaps are formed in the supporting framework, and the ecological filler is filled in the supporting framework through the gaps.
By adopting the technical scheme, the filling amount of the ecological filler can be increased in the gaps, and the absorption effect of the ecological filler on underwater pollutants is improved.
Optionally, the microbial agent is a composite multifunctional microbial agent.
By adopting the technical scheme, the compound microbial agent is a microbial agent prepared from two or more than two mutually non-antagonistic microbial strains, and has the excellent characteristics of complete types, reasonable compatibility, strong functionality, high economic benefit and the like.
Optionally, a plant layer is laid on the upper surface layer of the supporting framework.
By adopting the technical scheme, the plant layer can increase the filtration and adsorption functions and the plant absorption effect.
Optionally, the plant layer is a submerged plant layer.
By adopting the technical scheme, the roots of the submerged plants are sometimes undeveloped or degenerated, all parts of the plants can absorb moisture and nourishment, and the ventilation tissue is particularly developed, so that the submerged plants are beneficial to gas exchange under the condition of lack of air in water.
Optionally, the support skeleton bottom has laid the perforated tube, perforated tube one end with the support skeleton is linked together, perforated tube is kept away from support skeleton one end is connected with oxygenation device.
By adopting the technical scheme, the oxygenation device can oxygenate for the microbial community in the framework, so that the microorganisms at the river bottom are guaranteed to have enough oxygen, and pollutants in the water body are decomposed better.
Optionally, the oxygenation device is a wind power aerator.
By adopting the technical scheme, the wind power aerator not only enables liquid in the tank to be in contact with air for oxygenation, but also accelerates the transfer of oxygen in the air to the liquid due to stirring of the liquid, prevents suspension in the tank from sinking during aeration, strengthens the contact between organic matters and microorganisms in the tank and dissolved oxygen, and further ensures that microorganisms in the tank can continuously and stably exert the purification function under the condition of sufficient dissolved oxygen.
Optionally, the mounting forms of the substrate improvement structure include full segment type, intermittent type and node type.
By adopting the technical scheme, different installation forms can be respectively suitable for river channel treatment under various working conditions, and the corresponding installation forms are selected according to different treatment environments, so that the cost is saved, and meanwhile, better treatment effect can be achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by combining and collocating, microorganisms, ecological fillers, supporting frameworks and water environment in a river channel form a new river bottom biological chain system, the sediment ecological system damaged by dredging can be quickly recovered, the self-cleaning capacity of the river in unit area can be improved by 8-10 times, and the surface flow wetland purifying capacity in unit area can be improved by 4-5 times;
2. the ecological filler is filled in the supporting framework, so that pollutants are more easily deposited on the surface of the ecological filler and adsorbed, and the ecological filler attached with the pollutants is not easy to move under the action of water flow;
3. the plant layer can increase the filtering and adsorbing functions and the plant absorption function, the roots of submerged plants are sometimes undeveloped or degenerated, all parts of the plants can absorb moisture and nutrients, the ventilation tissue is particularly developed, and the gas exchange is facilitated under the condition of lack of air in water;
4. the wind power aerator not only enables liquid in the tank to be in contact with air for oxygenation, but also accelerates oxygen in the air to be transferred into the liquid due to stirring of the liquid, and aeration also prevents suspension in the tank from sinking, and strengthens the contact between organic matters and microorganisms in the tank and dissolved oxygen, thereby ensuring that microorganisms in the tank can continuously and stably exert the purification function under the condition of sufficient dissolved oxygen.
Drawings
FIG. 1 is a longitudinal sectional view of example 1 of the present application.
Fig. 2 is an overall schematic of a full segment installation of the improved structure of the substrate of the present application.
Fig. 3 is an overall schematic of an intermittent installation of the improved substrate structure of the present application.
Fig. 4 is an overall schematic of a node-type installation of the base improvement of the present application.
Fig. 5 is a cross-sectional view of embodiment 2 of the present application.
Reference numerals illustrate: 1. river course; 2. the substrate improves the structure; 3. a support skeleton; 4. ecological filler; 5. a microbial agent; 6. a plant layer; 7. perforating the pipe; 8. an oxygenation device.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a multipurpose river course basement improvement structure.
Example 1
Referring to fig. 1, a multipurpose river course base improvement structure includes river course 1, base improvement structure 2, and the packing soil tamps behind the desilting of river course 1 bottom, and base improvement structure 2 sets up directly over the soil tamp layer, and base improvement structure 2 can restore the improvement to the water ecology in the river course 1.
Referring to fig. 1, the substrate improvement structure 2 includes a supporting framework 3, an ecological filler 4 and a microbial agent 5, the supporting framework 3 is fixed right above a plain soil compacting layer, the supporting framework 3 can play a role in supporting and protecting the ecological filler 4 and the microbial agent 5, and the whole structure is not easy to wash away under the action of water flow.
Further, the supporting framework 3 is of a porous structure, a large amount of ecological fillers 4 are filled in the gaps of the supporting framework 3, the surfaces of the ecological fillers 4 are rough and microporous, the specific surface area is large, the hydrophilicity is strong, the corrosion resistance is high, the ecological fillers are harmless and have no inhibition, the permeability is good, and the ecological fillers can be used as a good growth carrier for microorganisms.
In addition, the microbial agent 5 is thrown on the surface of the ecological filler 4, and the microbial agent 5 in the embodiment is a composite multifunctional microbial agent and contains nitrifying bacteria, dephosphorizing bacteria, growth promoting bacteria, bioremediation bacteria and other bacterial groups, so that the microbial community structure of the substrate can be improved, the stress resistance of aquatic plants can be enhanced, the pollutant removal efficiency can be improved, and the water quality purification effect can be improved.
Referring to fig. 2, the substrate improvement structure 2 is installed in a full-segment type, and the full-segment type installation can improve the substrate structure of the whole river course and comprehensively improve the ecological restoration efficiency of the water body of the whole river course.
Referring to fig. 3, the substrate improvement structure 2 is installed in an intermittent mode, the substrate structure of the river channel is improved at intervals in an intermittent mode, and the efficiency of ecological restoration of the water body of the river channel is improved while the cost is saved.
Referring to fig. 4, the installation form of the base improvement structure 2 is a node type, and the base improvement structure is arranged at the water source where the rain water inlet, the sewage outlet and the like flow into the river channel inlet, so that the water ecology can be restored in a targeted manner, and the restoration efficiency and the treatment capacity of the river channel are improved.
The implementation principle of the embodiment 1 is as follows: firstly, the sediment of the river channel 1 is excavated, plain soil is replaced for filling and tamping, then the supporting framework 3 is fixed above the plain soil tamping layer, then the ecological filler 4 is filled in the gap of the supporting framework 3, finally the microbial agent 5 is thrown and sprayed on the surface of the ecological filler 4 and the gap, and a new river bottom biological chain system is formed by the microbial agent 5, the ecological filler 4, the supporting framework 3 and the water environment in the river channel 1 through combination and collocation, so that the sediment ecological system damaged by dredging can be quickly recovered. The river base improvement technology design elevation is lower than or equal to the river bottom elevation, the river base improvement technology is free of water construction, river flood discharge is not affected, and the flood discharge section width is not changed.
The substrate improvement structure 2 can be suitable for the bottoms of rivers, lakes, reservoirs, ponds or the bottoms of artificial surface flow wetlands, can select the local arrangement of key positions, is respectively suitable for river channel treatment under various working conditions, selects the adaptive installation form aiming at different treatment environments, and can achieve better treatment effect while saving cost.
Example 2
Referring to fig. 5, the difference between the present embodiment 2 and embodiment 1 is that the substrate improvement structure 2 is different from the substrate improvement structure 2, wherein the substrate improvement structure 2 includes a supporting framework 3, an ecological filler 4, a microbial agent 5, a plant layer 6 and an oxygenation device 8, the materials used in the substrate improvement structure 2 are nutrients such as microelements beneficial to the growth and development of organisms, which can promote the growth of beneficial aquatic organisms, and provide a nutrition source for the initial growth stage of submerged plants while repairing the substrate sludge in situ.
In addition, the substrate living environment can be effectively improved through substrate improvement, so that the substrate living environment is suitable for submerged plant growth, and meanwhile, pollutants such as sediment organic matters are adsorbed in situ, so that secondary pollution can not be caused when a large amount of pollutants are applied, new non-point source pollution can not be introduced, the substrate living environment has positive effects on natural river ecological restoration, and recovery and construction of a healthy ecological system can be quickened. The improved structure of the enhanced substrate is adopted in the water body with high pollutant concentration and poor self-cleaning capability, so that a better ecological restoration effect of the water body can be achieved.
Referring to fig. 5, a perforated pipe 7 is laid at the bottom layer of the supporting framework 3, the lower end of the perforated pipe 7 is communicated with the supporting framework 3, one end of the perforated pipe 7, far away from the supporting framework 3, penetrates out of the supporting framework 3 and extends to the upper side of a river channel, an oxygenation device 8 is connected at the upper end of the perforated pipe 7 and is in contact with air, the oxygenation device 8 in the implementation is a wind power aerator, the wind power aerator can be used for oxygenating a microbial community in the supporting framework 3, so that enough oxygen is ensured for microorganisms at the bottom of a river, and better decomposition effect is carried out on pollutants in a water body.
Referring to fig. 5, the plant layer 6 is arranged directly above the supporting skeleton 3, and in this embodiment the plant layer 6 is a submerged plant layer, the roots of which are sometimes underdeveloped or degenerated, and each part of the plant body can absorb moisture and nutrients, and the aeration tissue is particularly developed, which is advantageous for gas exchange in the absence of air in the water.
The foregoing description is not intended to limit the scope of the present application, but rather should be construed to include that the words "front", "rear", "left", "right", "upper" and "lower" used in the foregoing description refer to directions in the drawings, and that the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A multipurpose river course basement improvement structure, its characterized in that: including river course (1) and setting in basement improvement structure (2) of river course (1) bottom top, basement improvement structure (2) are including braced skeleton (3), ecological packing (4) and microorganism fungus agent (5), braced skeleton (3) set up river course (1) bottom, ecological packing (4) are filled in braced skeleton (3), microorganism fungus agent (5) set up ecological packing (4) surface.
2. The multipurpose river course base improvement structure of claim 1 wherein: a plurality of gaps are formed in the supporting framework (3), and the ecological filler (4) is filled in the supporting framework (3) through the gaps.
3. The multipurpose river course base improvement structure of claim 1 wherein: the microbial agent (5) is a compound multifunctional microbial agent.
4. The multipurpose river course base improvement structure of claim 1 wherein: the upper surface layer of the supporting framework (3) is provided with a plant layer (6).
5. The improved structure of the multipurpose river course base as claimed in claim 4, wherein: the plant layer (6) is a submerged plant layer.
6. The multipurpose river course base improvement structure of claim 1 wherein: the support framework (3) bottom is laid perforated pipe (7), perforated pipe (7) one end with support framework (3) are linked together, perforated pipe (7) keep away from support framework (3) one end is connected with oxygenation device (8).
7. The improved structure of the multipurpose river course base as claimed in claim 6, wherein: the oxygenation device (8) is a wind power aerator.
8. The multipurpose river course base improvement structure of claim 1 wherein: the installation form of the substrate improvement structure (2) comprises a full-section type, an intermittent type and a node type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195592.8U CN220393511U (en) | 2023-05-17 | 2023-05-17 | Improved structure of multipurpose river channel substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195592.8U CN220393511U (en) | 2023-05-17 | 2023-05-17 | Improved structure of multipurpose river channel substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220393511U true CN220393511U (en) | 2024-01-26 |
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ID=89599783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195592.8U Active CN220393511U (en) | 2023-05-17 | 2023-05-17 | Improved structure of multipurpose river channel substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220393511U (en) |
-
2023
- 2023-05-17 CN CN202321195592.8U patent/CN220393511U/en active Active
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