CN205475131U - Structure for constructing fish and water ecological channel by using tributaries - Google Patents
Structure for constructing fish and water ecological channel by using tributaries Download PDFInfo
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- CN205475131U CN205475131U CN201620234640.3U CN201620234640U CN205475131U CN 205475131 U CN205475131 U CN 205475131U CN 201620234640 U CN201620234640 U CN 201620234640U CN 205475131 U CN205475131 U CN 205475131U
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 8
- 238000004891 communication Methods 0.000 claims description 35
- 230000005012 migration Effects 0.000 abstract description 6
- 238000013508 migration Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 5
- 230000008676 import Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
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Abstract
The utility model discloses a structure for constructing fish and water ecological channels by using branches, which comprises a reservoir area (1) and a downstream river (3) which are separated by a dam (2), wherein the downstream river (3) is distributed with downstream branches (4); a communicating channel (6) is arranged between the reservoir area (1) or the reservoir area branch (5) and the downstream branch (4). The utility model discloses utilize the tributary to found fish and water ecological channel, do not have the influence to hydraulic and hydroelectric pivot engineering, and can satisfy the requirement that fish upper and lower reaches carried out the interchange, be particularly useful for high water head hydroelectric engineering. The method has positive effects on reducing the influence of water-power hydraulic engineering on fish migration and promoting the ecological protection of rivers.
Description
Technical field
This utility model relates to a kind of utilizing tributary to build fish and the structure of Ecology passage, belongs to fish protection technical field.
Background technology
Building of dam and sluice-gate engineering, natural river is blocked in various degree, has blocked the migration of Fish, causes the population quantity of migration fishes to decline to a great extent.For protection migration fishes; various countries are while building dam and burrock; feature and the demand of fish protection according to engineering have built various types of fish pass structure, as fish pass, imitative nature passage, transporting something containerized fish system, fish lift and fish lock etc. are up with the river property migrant that helps to trace back.
Fish pass is applied to weir more, and often needs to combine with dam, relatively big on work arrangement impact, and the part dam types such as arch dam then cannot be laid because of factors such as flood discharge safety or both sides landform.High dam needs to build considerably long fish pass to gradient of dissolving, cross the effect of fish it is difficult to ensure that.
Fish are only transported through by fish lock, fish lift, transporting something containerized fish system, and the aquatic ecosystem reality of dam site upstream and downstream is still blocked.Wherein fish lock, fish lift equally exist the problem combined with dam.Transporting something containerized fish system is then owing to relating to the auxiliary of the professional facilities such as boat for collection and transportation of fish, and the manufacture of these facilities and operation all have certain limitation, and is river course, valley for downstream, and due to reasons such as current are anxious, river surface is narrow, fish gathering operation is difficult to implement.Visible, between high dam reservoir upstream and downstream, how to realize effective fish excessively, and the connection of aquatic ecosystem is to face global problem at present.
Utility model content
The purpose of this utility model is; thering is provided a kind of utilizes tributary to build fish and the structure of Ecology passage; to meet fish migration and the demand of connection upstream and downstream aquatic ecosystem; play a positive role for coordinating the contradiction between Hydraulic and Hydro-Power Engineering and ecological environmental protection, thus overcome the deficiencies in the prior art.
The technical solution of the utility model is achieved in that
A kind of structure utilizing tributary to build fish and Ecology passage of the present utility model is, this structure includes the reservoir area through dam separates and downstream river course, and downstream tributary is distributed on downstream river course；It is communicated with between the tributary, reservoir area and tributary, downstream of reservoir area or reservoir area.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, it is connected through communication channel between described reservoir area and tributary, downstream and communicates.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, it is connected through communication channel between tributary, described reservoir area and tributary, downstream and communicates.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, described communication channel is artificial fish pass, imitative nature river course or open channel form.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, one end that described communication channel is connected with reservoir area is provided with collection attracting system.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, tributary, described downstream or tributary, reservoir area are respectively positioned near dam, and the tributary flow in tributary, downstream or tributary, reservoir area is more than 1m3/s.
In the aforementioned structure utilizing tributary to build fish and Ecology passage, described communication channel is positioned at one end, tributary, downstream less than being positioned at reservoir area or one end, tributary, reservoir area, and the gradient of communication channel is between 0.5 ‰～3%.
Owing to have employed technique scheme, compared with prior art, this utility model utilizes tributary to build fish and Ecology passage to this utility model, not affects water conservancy and hydropower multi-purpose project, and the requirement that Fish upstream and downstream carries out exchanging can be met, it is particularly suited for high water head Hydraulic and Hydro-Power Engineering.For reducing the water power hydraulic engineering impact on fish migration, the ecological protection in river is promoted to have positive effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 2 is the structural representation of this utility model embodiment 2.
Being labeled as in figure: 1-reservoir area, 2-dam, 3-downstream river course, tributary, 4-downstream, tributary, 5-reservoir area, 6-communication channel, 7-collection attracting system.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as to any restriction of the present utility model.
Of the present utility model a kind of utilize tributary to build fish and the structure of Ecology passage, as illustrated in fig. 1 and 2, including the reservoir area 1 separated through dam 2 and downstream river course 3, downstream tributary 4 on downstream river course 3, is distributed；It is communicated with 6 between reservoir area 1 or tributary, reservoir area 5 and tributary, downstream 4.It is connected through communication channel 6 between reservoir area 1 with tributary, downstream 4.It is communicated with 6 between tributary, reservoir area 5 and tributary, downstream 4.Communication channel 6 is artificial fish pass, imitative nature river course or open channel form.One end that communication channel 6 is connected with reservoir area 1 is provided with collection attracting system 7.Tributary, downstream 4 and tributary, reservoir area 5 are respectively positioned near dam 2, and tributary flow is relatively stable and is more than 1m3/s.Communication channel 6 is positioned at one end, tributary, downstream 4 less than being positioned at reservoir area 1 or one end, tributary, reservoir area 5, and the gradient of communication channel 6 is between 0.5 ‰～3%.
This utility model mainly includes tributary, communication channel 6 and collection attracting system 7；Tributary includes tributary, downstream 4 and tributary, reservoir area 5, tributary, downstream 4 or tributary, reservoir area 5 are close near dam 2, under normal conditions, ultimate range between tributary, downstream 4 or tributary, reservoir area 5 and dam 2 is less than 5 kilometers, the tributary flow in tributary, downstream 4 or tributary, reservoir area 5 is relatively stable and is more than 1m3/s, communication channel 6 initiating terminal is positioned at the drop without bigger drop of the section, tributary, downstream 4, and the fish composition in tributary, downstream 4 is similar with the fish composition in downstream river course 3 as far as possible.Due to the remittance of tributary, downstream 4 flow, downstream Fish being had good inducing action, quite a few Fish can be traced back along tributary, downstream 4.Communication channel 6 initiating terminal is positioned on tributary, downstream 4, and terminal section is positioned at reservoir area 1 or tributary, reservoir area 5, and destination terminal elevation is higher than initiating terminal elevation, and the gradient of communication channel 6 is less than 3%, typically between 0.5 ‰ to 3%.Communication channel 6 terminal section may be located at reservoir area or storehouse tail above flowing water section, it is also possible to is positioned on tributary, reservoir area 5.Communication channel 6 can use the various ways such as open channel, fish pass, as gradient is relatively big, need to consider energy dissipating measure.If the terminal section of communication channel 6 is positioned at reservoir area 1, the luffing of reservoir operating level need to be considered, use layering import or build multiple import, and use collection attracting system 7.
Embodiment 1 of the present utility model
As shown in Figure 1, including the downstream river course 3 in dam 2 downstream, downstream river course 3 is provided with tributary, downstream 4, and tributary, downstream 4 is connected with reservoir area 1 through communication channel 6, communication channel 6 is provided with collection attracting system 7 with the junction of reservoir area 1, and collection attracting system 7 can directly use collection attracting system structure traditional in prior art.When being embodied as, dam selects as far as possible at the upstream vicinity near tributary, downstream 4.Communication channel 6 initiating terminal is positioned on tributary, downstream 4, and terminal section is positioned at the storehouse tail of reservoir area 1, and destination terminal elevation is higher than initiating terminal elevation, and the gradient of communication channel is about 1%.Communication channel uses open channel, is provided with dividing plate in open channel.
Embodiment 2 of the present utility model
As in figure 2 it is shown, include the tributary, reservoir area 5 being positioned at dam 2 upstream and be positioned at the tributary, downstream 4 in dam 2 downstream.Tributary, reservoir area 5 and tributary, downstream 4 are positioned at dam 2 the same side, and move towards substantially similar or the most crossing.Arranging communication channel 6 between two tributaries, communication channel 6 uses imitative nature river course or the form of fish pass.Communication channel 6 is connected one end elevation higher than the one end being connected with tributary, downstream 4 with tributary, reservoir area 5, and the gradient of communication channel 6 is less than 2%.The downstream river course 3 of dam 2 is natural section, in downstream river course 3 Fish can along tributary, downstream 4, communication channel 6 arrive reservoir area 1 smoothly.
Claims (7)
1. utilize tributary to build fish and a structure for Ecology passage, including the reservoir area (1) separated through dam (2) and downstream river course (3), downstream tributary (4) on downstream river course (3), is distributed；It is characterized in that: between the tributary, reservoir area (5) and tributary, downstream (4) of reservoir area (1) or reservoir area (1), be communicated with (6).
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 1, it is characterised in that: it is connected through communication channel (6) between described reservoir area (1) with tributary, downstream (4) and communicates.
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 1, it is characterised in that: it is connected through communication channel (6) between tributary, described reservoir area (5) with tributary, downstream (4) and communicates.
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 1, it is characterised in that: described communication channel (6) is artificial fish pass, imitative nature river course or open channel form.
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 1, it is characterised in that: one end that described communication channel (6) is connected with reservoir area (1) is provided with collection attracting system (7).
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 1, it is characterized in that: tributary, described downstream (4) or tributary, reservoir area (5) are respectively positioned near dam (2), the tributary flow of tributary, downstream (4) or tributary, reservoir area (5) is more than 1m3/s。
Tributary is utilized to build fish and the structure of Ecology passage the most according to claim 6, it is characterized in that: described communication channel (6) is positioned at tributary, downstream (4) one end less than being positioned at reservoir area (1) or tributary, reservoir area (5) one end, and the gradient of communication channel (6) is between 0.5 ‰～3%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620234640.3U CN205475131U (en) | 2016-03-25 | 2016-03-25 | Structure for constructing fish and water ecological channel by using tributaries |
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| CN201620234640.3U CN205475131U (en) | 2016-03-25 | 2016-03-25 | Structure for constructing fish and water ecological channel by using tributaries |
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| CN205475131U true CN205475131U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227720A (en) * | 2016-03-25 | 2017-10-03 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for constructing fish and water ecological channel by using tributaries |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227720A (en) * | 2016-03-25 | 2017-10-03 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for constructing fish and water ecological channel by using tributaries |
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