CN209522659U - A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section - Google Patents
A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section Download PDFInfo
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- CN209522659U CN209522659U CN201920078790.3U CN201920078790U CN209522659U CN 209522659 U CN209522659 U CN 209522659U CN 201920078790 U CN201920078790 U CN 201920078790U CN 209522659 U CN209522659 U CN 209522659U
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- 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
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- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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Abstract
The utility model provides a kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section, including integrated form ecological dam framework and restoration of the ecosystem frame, integrated form ecological dam framework is hollow structure, inside is for filling dam body packing material to consolidate dam body, multiple integrated form ecological dam frameworks carry out parallel or vertical splicing, integrated form ecological dam framework upstream face or back side have been removably installed restoration of the ecosystem frame, suspension type rope is provided among restoration of the ecosystem frame, suspension type rope vertical hanging carbon fibre ecological grass, carbon fibre ecological grass underhung weight, restoration of the ecosystem frame makes entire restoration of the ecosystem frame stability float on the water surface by material natural buoyancy.This ecological dam can solve mountain stream due to having inconvenient traffic, and flexibility is poor present in the problem big using traditional concrete dam body project amount, materials are inconvenient and the design of existing mountain stream ecological dam, the problem of having a single function.
Description
Technical field
The utility model relates to river improvement and restoration of the ecosystem field more particularly to a kind of it is suitable for building rural hydropower
Mountain stream subtracts the ecological dam that dehydration section is repaired.
Background technique
In China, small power station refers to water-power plant of the installed capacity no more than 50,000 kW and the ground based on rural hydropower
Square minor scale power net.Ended for the end of the year 2017, the shared rural hydropower station 47498 in the whole nation, rural hydropower installed capacity reaches 7927.0 ten thousand
The 4.5% of 23.2%, the Zhan Quanguo total installed capacity of electricity capacity of the power station kW, Zhan Quanguo total installation of generating capacity.Rural hydropower is being promoted
Rural Economic Development, improvement life of farmers level, promotion energy-saving and emission-reduction etc. have played important function.
China's mountain stream is suitble to exploitation rural hydropower since hydraulic power potentials is abundant, hydraulics are preferable.Therefore, China
Rural hydropower station mainly builds up monutainous regions on river.Small hydropower station in China about 2/3 is water channeling type power station, this development scheme meeting
Change power station upstream and downstream hydrologic regime, if do not ensured downstream ecology flow, easily cause the certain section diminishing in dry season downstream,
The problems such as dehydration or even cutout, section fragmentation, river aquatic ecosystem structure and function is had an important influence on.2016,
Ministry of Water Resources prints and distributes " rural hydropower synergy extending capacity reformation river ecosystem restoration instruction ", is clearly proposed for rural hydropower station and exists
It ensures after being let out under river channel ecology flow, river ecological function is repaired naturally there are still difficult section, and restoration of the ecosystem etc. can be taken
Measure.
Ecological overflow dam is a kind of to reach the artificial ecology water surface, is retained to river and that builds chokes water building.
Ecological overflow dam is suitable for that river base slope is smaller, dry season flow rate of water flow compared with slow, flood period flow is larger has flood control and anti-impact
The reparation for the mountain stream diminishing dehydration section that erosion requires.
Currently, utility model entitled " a kind of flexible ecological groynes system " Chinese patent (application number:
201510084593.9) in, a kind of flexible ecological groynes system is disclosed, includes the reinforced earth dam heart on longitudinal profile, covers
The flexible ecological dam slope of the lid reinforced earth dam heart, the base of dam pressure slope body at throwing flexible ecological dam slope two sides base of dam position, and setting exist
Water balcony on flexible ecological dam slope top surface；Flexible ecological dam slope includes being staggeredly stacked and adding in the waste tire of layered arrangement
Muscle planting soil, TGXG and water plant.For the patent due to using tire etc., water resistant power impact property is poor, so uncomfortable
For mountain stream.
Utility model entitled " a kind of mountain stream Ecology groynes " Chinese patent (application number:
201420325150.5) in, a kind of groynes structure suitable for mountain stream stability riverbed, including dam body, dam body are disclosed
The cabinet that top is provided with reinforced concrete bears down on one, and the cabinet is the concrete hollow structure at hollow belt bottom, and cabinet cross section is whole
Trapezoidal, backfill is provided with sandy gravel in cabinet, and top of the box is provided with Cast-in-place concrete and binds.The patent water resistant power impact capacity compared with
It is good, but the patent only has the function of water blocking, does not have the effect of restoration of the ecosystem；And flexibility is poor, it cannot be according to river
The basic condition of stream and the length and height for choking water requirement adjustment laying.
Mountain stream is had inconvenient traffic, the building materials of ecological dam needs light, simple and firm due to being in rural area mountain area
Gu；And mountain stream rises suddenly and sharply with wet season river level and breaks, the feature of dry season dehydration cutout.It is therefore desirable to according to mountain
Area, special geographical location, river and waterpower feature, develop a kind of structure is simple, material is light, water resistant power impact is good, installation
Simple and flexible, adjustable height can subtract while dehydration section is choked water in mountain stream and have both river ecosystem reparation
The ecological dam of function is very important.
Utility model content
The purpose of this utility model be in view of the deficiencies of the prior art, provide one kind be suitable for mountain stream subtract dehydration section
The ecological dam of reparation, which, which has both, chokes water and the effect of River Ecosystem Functions reparation, and the ecological dam structure is simple, material
It is light just, water resistant power impact it is good, installation simple and flexible, regulating barrage body length and height can be freely combined, existing mountain can be solved
Flexibility is poor, the problem of having a single function present in the design of area river ecological dam.
A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section, including integrated form ecological dam framework and ecology are repaired
Multiple frame, the integrated form ecological dam framework are hollow structure, and inside is for filling dam body packing material to consolidate dam body, Duo Geji
Accepted way of doing sth ecological dam framework carries out parallel or vertical splicing, and the integrated form ecological dam framework upstream face or back side are removably
Restoration of the ecosystem frame is installed, suspension type rope is provided among restoration of the ecosystem frame, suspension type rope vertical hanging carbon is fine
Ecological grass, carbon fibre ecological grass underhung weight are tieed up, restoration of the ecosystem frame repairs entire ecology by material natural buoyancy
Complex frame stabilization floats on the water surface.
Further, the integrated form ecological dam framework is square hollow frame structure, is built using galvanized steel texture.
Further, the integrated form ecological dam framework four corners are provided with dam strengthening hole, the aperture in dam strengthening hole
It is hollow cylindrical, when installing integrated form ecological dam framework 1, the dam strengthening hole of ecological dam framework quadrangle is embedding for 15-20cm
Enter in the cylindric concrete column poured in advance, plays the role of dam body consolidation.
Further, the upstream face or back side of the integrated form ecological dam framework have been removably installed water blocking expanded metals.
Further, the water blocking expanded metals is the water fender of completely impermeable galvanized steel material or has certain pore size big
Small galvanized steel material water blocking net.
Further, the upstream face and back side of the integrated form ecological dam framework are laid with water fender installation slot, use
In Fast Installation and the disassembly water blocking expanded metals.
Further, the dam body packing material partial size is 20-30cm.
Further, the integrated form ecological dam framework top and bottom and left and right two sides are respectively provided with connector, corresponding two sides
Connector is groove type connector and convex type connector, and two integrated form ecological dam frameworks pass through groove type connector and protrusion
Formula connector is connected.
Further, the carbon fibre ecological grass is door curtain made of cloth shape, is made of multi beam cloth strip ecological grass.
Further, the integrated form ecological dam framework is according to the width of the river water surface in such a way that left and right is connected transverse direction
Connect the ecological dam body that multiple integrated form ecological dam frameworks form certain length；Or the requirement according to the height choked water, according to
It is vertically connected with longitudinal mode integrated form ecological dam framework, obtains the ecological dam body of different height.
Utility model constructs integrated form ecological dam framework using galvanized steel, instead of traditional reinforced concrete structure dam body knot
Structure has the advantages that light in material and is likewise supplied with stronger hardness and impact resistance.Integrated form ecological dam frame simultaneously
Body is hollow body, is filled using local weight, and the matrix that weight accumulation is constituted can ensure ecological dam and riverbed
Bond strength and combination stability.Therefore, the utility model solves mountain stream due to having inconvenient traffic, using traditional mixed
The problem that solidifying earth dam body project amount is big, materials are inconvenient.In addition, this ecological dam uses detachable frame structure, can freely install
And disassembly, and according to river conditions and the requirement in river habitat can be restored, according to longitudinal or laterally free connect into a fixed length
The ecological dam of degree or certain altitude reaches different and chokes water purpose.Again, this ecological dam upstream face and back side have laid plating
Zinc steel water blocking net can be improved ornamental hydrophyte while firm ecological dam body filler, therefore, have certain ecology and repair
Multiple function；On the other hand, ecological dam combines carbon fibre ecological restoration device, using the high bioaffinity of carbon fibre,
The breeding and growth for promoting aquatile, maintain the stability of river ecosystem.Therefore, it is had both while realization is choked water
The effect of River Ecosystem Functions reparation has certain novelty.
Detailed description of the invention
Fig. 1 is that a kind of mountain stream that is suitable for of the utility model subtracts the one of embodiment of ecological dam that dehydration section is repaired
Ecological dam monomer structure entirety schematic top plan view；
Fig. 2 is that a kind of mountain stream that is suitable for of the utility model subtracts the one of embodiment of ecological dam that dehydration section is repaired
The monomer structure entirety schematic side view of middle ecological dam；
Fig. 3 is that a kind of mountain stream that is suitable for of the utility model subtracts the one of embodiment of ecological dam that dehydration section is repaired
The structure chart of middle water blocking expanded metals；
Fig. 4 is that a kind of mountain stream that is suitable for of the utility model subtracts the one of embodiment of ecological dam that dehydration section is repaired
Middle restoration of the ecosystem frame entirety schematic side view；
Fig. 5 is that a kind of mountain stream that is suitable for of the utility model embodiment subtracts the ecological dam of dehydration section reparation in river water
The schematic diagram transversely spliced on body；
Fig. 6 (a) and Fig. 6 (b) is that a kind of mountain stream that is suitable for of the utility model embodiment subtracts the life that dehydration section is repaired
The schematic diagram that state dam splices in the longitudinal direction, wherein the installation of Fig. 6 (a) upstream face is water blocking net, and the installation of Fig. 6 (b) upstream face is
Water fender.
In figure: 1-integrated form ecological dam framework, 2-water fenders install slot, 3-dam body packing materials, and 4-dam bodys add
Solid hole, 5-groove type connectors, 6-convex type connectors, 7-top connectors, 8-restoration of the ecosystem frames, 9-connection ropes,
10-suspension type ropes, 11-carbon fibre ecological grass, 12-weights.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution in the utility model is carried out clearly and completely
Description.
Fig. 1 show a kind of mountain stream that is suitable for of the utility model embodiment and subtracts the whole of the ecological dam for being dehydrated that section is repaired
Body schematic top plan view mainly includes 8 two large divisions of integrated form ecological dam framework 1 and restoration of the ecosystem frame, integrated form ecological dam frame
Body 1 is hollow structure, and the packing materials such as fillable weight in inside are to consolidate dam body；Its top and bottom and left and right face are provided with connection
Mouth (top and bottom setting top connector 7, left and right face setting groove type connector 5 and convex type connector 6), can carry out freedom
Group is shaped to the ecological dam body of certain length or certain altitude.A certain amount of carbon fibre ecology is provided on restoration of the ecosystem frame 8
Grass 11, can be improved river ornamental hydrophyte, is conducive to the reparation of aquatic ecosystem and multiplying and living for aquatile.
1 material of integrated form ecological dam framework is made of galvanized steel, is hollow cube structure, wide Gao Yuewei
2.0m, framework thickness are about 30cm, inside filling dam body packing material 3.Galvanized steel material has good toughness, hardness height, anti-impact
The advantages that performance is strong is hit, it is strong and pollution-free to be subjected to Environmental variations and low temperature invasion, antioxygenic property, not welding,
It is recyclable.By the hardness and intensity of material itself, integrated form ecological dam framework 1 can preferably resist stronger water flow
Impact.
The dam body packing material 3 is available locally, and makes full use of local material, use local certain partial size for
20-30cm weight material.Dam body packing material 3 can play the role of aggravating fixed integrated form ecological dam framework 1, while to swim
Animal and raw biology certain attachment and living space are provided.
Described 1 four jiaos of integrated form ecological dam framework are provided with dam strengthening hole 4, and dam strengthening hole 4 is cylindrical hollow
Structure, diameter are 15cm or so, can in advance the section specific location fixed point for the ecological dam installed pour certain altitude (2m or
Person 4m) diameter be 14-15cm cylindric reinforced concrete column, by the dam of integrated form ecological dam framework 1 by the way of lifting
Body reinforced hole 4 carries out sleeve type installation according to corresponding concrete column, has the function that firm integrated form ecological dam framework 1.
The upstream face and back side of the integrated form ecological dam framework 1 are laid with water fender installation slot 2, can flexibly quickly
Install and dismantle relevant water blocking expanded metals.Fig. 3 is referred to, the water blocking expanded metals can be divided into completely impermeable galvanized steel material
Water fender a and have certain pore size (5-10cm) size galvanized steel material water blocking net b, water fender a play the role of water blocking, water blocking
Net b makes the packing material 4 in integrated form ecological dam framework 1 be connected with river water, can while firm ecological dam body filler
Improve ornamental hydrophyte.Water fender a and water blocking net b can need to select according to ecological dam function, such as all using gear
Water plate a or water blocking net b, or installed by the way of water fender a and water blocking net b mixing.Such as in upstream face and back side
Water fender a is all used, then only serves the effect of water blocking；Water blocking expanded metals b is all such as used in upstream face and back side, then part water flow
It can be passed through from dam body, the impurity and pollutant in a part of river water can be filtered, play the role of purifying water body；Such as meeting
The water surface uses water blocking net b, and back side uses water fender a, then weight material can be connected by water blocking net with the river water of upstream face,
The materials such as weight can for zooplankter and raw biology certain attachment and living space are provided, the biology of river water can be improved
Diversity plays the role of restoration of the ecosystem.
Left and right and top and bottom of the integrated form ecological dam framework 1 in addition to upstream face and back side are mounted on connector,
Two groove type connectors 5 are installed in 1/4 and 3/4 position of one side (such as left side) up and down respectively, the another side such as right side is corresponding
Upper and lower 1/4 and 3/4 position is arranged convex type connector 6, two such integrated form ecological dam framework 1 can then carry out it is parallel or
It vertically carries out carrying out embedded connection by groove type connector 5 and convex type connector 6, integrated form ecological dam frame can be played
Body 1 splices stable effect.Similarly, 1/4 and 3/4 above and below the face layer in the top and bottom of integrated form ecological dam framework 1
Position installation top connector 7, is convex type connector, then fluted in the subsurface installation in integrated form ecological dam framework 1
Formula connector can stablize splicing up and down in this way.It can be according to the width of the river water surface according to connected (the groove type connector 5 in left and right
Be connected with convex type connector 6) mode connect the ecological dam body (figure that multiple integrated form ecological dam frameworks 1 form certain lengths
5)；And on this basis, can also be according to the requirement for the height choked water, according to being vertically connected with, (top connector 7 and subsurface are responded
Groove type connector be connected) mode integrated form ecological dam framework 1, obtain the ecological dam body of different height, such as Fig. 6 (a) and
Shown in Fig. 6 (b), wherein the installation of Fig. 6 (a) upstream face is water blocking net, and the installation of Fig. 6 (b) upstream face is water fender.Integrated form is raw
State dam framework can be put into river by crane, and can replace installation site at any time.
1 upstream face of integrated form ecological dam framework or back side are equipped with restoration of the ecosystem frame 8, and the two passes through connection
Rope 9 is attached.8 structure of restoration of the ecosystem frame is made of environment-friendly materials HDPE (polyethylene), have light-weight, good toughness,
The advantages that hardness is high, buoyancy is big, acid and alkali-resistance, the features such as Environmental variations and low temperature invasion, uvioresistant can be subjected to.Ecology is repaired
Complex frame 8 is rectangle frame, is about 2.0m, wide about 50cm, framework sheet is as cylindric, diameter 10cm.Framework itself passes through
Material natural buoyancy makes entire restoration of the ecosystem frame 8 is stable to float on the water surface.
The restoration of the ecosystem frame 8 can be dismounted freely from integrated form ecological dam framework 1, can be raw in integrated form simultaneously
1 upstream face of state dam framework and back side are installed simultaneously, can also be pacified in 1 upstream face of integrated form ecological dam framework or back side side
Dress, to reach different ecological restoration functions.Several suspension type ropes 10, suspension type are provided among restoration of the ecosystem frame 8
Rope 10 can be to be about the iron wire that the diameter of 50cm is 1cm.A certain amount of carbon fibre ecology of 10 vertical hanging of suspension type rope
Grass 11,11 underhung of carbon fibre ecological grass has the weight 12 (such as stone) of constant weight, refers to Fig. 4.
The arrangement form of the carbon fibre grass 11 is door curtain made of cloth shape, is made of multi beam cloth strip ecological grass, single beam ecological grass
Shape be about 50cm, wide about 2-3cm.Carbon fibre grass 11 has huge surface area and biological area, therefore has
There is good bioaffinity.Carbon fibre ecological grass not only can with purifying water body, can also in river water microorganism,
Zooplankter, raw biology the biology oviposition such as attachment environment and living space are provided, while will also become fish, growth, hide
Place；Therefore, be conducive to the reparation and protection bio-diversity of aquatic ecosystem.
The carbon fibre grass 11 can by connection rope 9 and integrated form ecological dam framework 1 according to a certain percentage (according to
The 20%~50% of framework area is configured) it is installed.Carbon fibre 11 detachables of grass, in use for some time
Replaceable new carbon fibre grass 11.
Referring to Fig. 5, multiple integrated form ecological dam frames can be connected in such a way that left and right is connected according to the width of the river water surface
The ecological dam body of the formation certain length of body 1；It can also be assembled in the way of being vertically connected with integrated according to the requirement for the height choked water
Formula ecological dam framework 1 obtains the ecological dam body of different height.Integrated form ecological dam framework 1 can be put into river by crane, and
And installation site can be replaced at any time.
The ecological dam combines carbon fibre ecological grass prosthetic device, using the high bioaffinity of carbon fibre, promotes
The breeding and growth of aquatile, maintain the stability of river ecosystem.In addition, this ecological dam uses detachable framework knot
Structure freely can be installed and be dismantled, and can be according to the requirement of river conditions and river Habitat pattern, according to transversely or longitudinally free
The ecological dam for connecting into certain length or certain altitude reaches different and chokes water purpose.
The utility model patent construction is novel, and economical and practical, securely and reliably, ecological dam combines carbon fibre restoration of the ecosystem
Device promotes the breeding and growth of aquatile, maintains the steady of river ecosystem using the high bioaffinity of carbon fibre
It is qualitative.The utility model can effectively improve mountain stream and subtract the water level of dehydration section, and improve the stability of river ecosystem,
Subtract the ecological management of dehydration section suitable for mountain stream, there is biggish application value.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
It is any to belong to those skilled in the art within the technical scope disclosed by the utility model in this, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired, it is characterised in that: including integrated form ecological dam frame
Body (1) and restoration of the ecosystem frame (8), the integrated form ecological dam framework (1) are hollow structure, and inside is for filling dam body filling
For material (3) to consolidate dam body, multiple integrated form ecological dam frameworks (1) carry out parallel or vertical splicing, the integrated form ecology
Dam framework (1) upstream face or back side have been removably installed restoration of the ecosystem frame (8), setting among restoration of the ecosystem frame (8)
Have suspension type rope (10), suspension type rope (10) vertical hanging carbon fibre ecological grass (11), carbon fibre ecological grass (11)
Underhung weight (12), restoration of the ecosystem frame (8) make entire restoration of the ecosystem frame (8) stablize floating by material natural buoyancy
In the water surface.
2. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
Stating integrated form ecological dam framework (1) is square hollow frame structure, is built using galvanized steel texture.
3. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
Integrated form ecological dam framework (1) four corners to be stated to be provided with dam strengthening hole (4), the aperture of dam strengthening hole (4) is 15-20cm,
For hollow cylindrical, when installing integrated form ecological dam framework (1), dam strengthening hole (4) insertion of ecological dam framework (1) quadrangle is pre-
In the cylindric concrete column first poured, play the role of dam body consolidation.
4. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
The upstream face or back side for stating integrated form ecological dam framework (1) have been removably installed water blocking expanded metals.
5. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 4, it is characterised in that: institute
State the water fender that water blocking expanded metals is completely impermeable galvanized steel material or the galvanized steel material water blocking with certain pore size size
Net.
6. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 4, it is characterised in that: institute
The upstream face and back side for stating integrated form ecological dam framework (1) are laid with water fender installation slot (2), for Fast Installation and tear open
Unload the water blocking expanded metals.
7. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
Stating dam body packing material (3) partial size is 20-30cm.
8. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
It states integrated form ecological dam framework (1) top and bottom and left and right two sides and is respectively provided with connector, the connector of corresponding two sides is groove type company
Interface (5) and convex type connector (6), two integrated form ecological dam frameworks (1) are connected by groove type connector (5) and convex type
Interface (6) is connected.
9. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that: institute
Stating carbon fibre ecological grass (11) is door curtain made of cloth shape, is made of multi beam cloth strip ecological grass.
10. a kind of mountain stream that is suitable for subtracts the ecological dam that dehydration section is repaired according to claim 1, it is characterised in that:
The integrated form ecological dam framework (1) connects multiple integrated forms in such a way that left and right is connected transverse direction according to the width of the river water surface
The ecological dam body of ecological dam framework formation certain length；Or the requirement according to the height choked water, it is longitudinal according to being vertically connected with
Mode integrated form ecological dam framework, obtains the ecological dam body of different height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078790.3U CN209522659U (en) | 2019-01-17 | 2019-01-17 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078790.3U CN209522659U (en) | 2019-01-17 | 2019-01-17 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
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| CN209522659U true CN209522659U (en) | 2019-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574236A (en) * | 2019-01-17 | 2019-04-05 | 长江水利委员会长江科学院 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
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2019
- 2019-01-17 CN CN201920078790.3U patent/CN209522659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574236A (en) * | 2019-01-17 | 2019-04-05 | 长江水利委员会长江科学院 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
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