CN105804029A - Water-supplementing fishway inlet device with ecological gate - Google Patents
Water-supplementing fishway inlet device with ecological gate Download PDFInfo
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- CN105804029A CN105804029A CN201610166115.7A CN201610166115A CN105804029A CN 105804029 A CN105804029 A CN 105804029A CN 201610166115 A CN201610166115 A CN 201610166115A CN 105804029 A CN105804029 A CN 105804029A
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 210
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims description 132
- 239000013589 supplement Substances 0.000 claims description 31
- 230000003020 moisturizing effect Effects 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000009182 swimming Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000004926 polymethyl methacrylate Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Farming Of Fish And Shellfish (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Abstract
The invention relates to a water-supplementing fishway inlet device with an ecological gate, and belongs to the field of ecological environments for water conservancy projects. The water-supplementing fishway inlet device with the ecological gate is composed of the ecological gate, two water-supplementing port retaining walls, an energy dissipation grating, three fishway inlet sidewalls, two control gates, two fishway inlets, a force dissipation pool, a force dissipation ridge, a gate water-supplementing port, a water outlet port, two fish-collecting retaining walls, a broken line retaining wall and the like. During running of the device disclosed by the invention, a discharged water flow of the ecological gate enters a downstream position through the force dissipation pool, the gate water-supplementing port and the energy dissipation grating, and is converged with a water flow at the water outlet port to form a fish-luring water flow for luring fishes to enter a fishway; and a downstream main flow of the ecological gate is away from a fish-luring channel under the action of the broken line retaining wall, so that conditions in the fish-luring channel meet the upstream sailing of the fishes. The device disclosed by the invention has the advantage of a large adaptation range of water level changes, and moreover, water consumption is reduced, and lots of water resources are saved; and water-supplementing, fish-luring and fish-passing facilities are integrated, thus the fish-passing efficiency is greatly improved.
Description
Technical field
The present invention relates to the moisturizing experimental provision of a kind of fish pass import, particularly to a kind of by ecological gate moisturizing with the ecological gate water replenishing type fish pass inlet device integrating attracting, belong to hydraulic engineering ecological environment field.
Background technology
After key water control project builds up in hydraulic engineering, having intercepted the migration route of Fish, destroyed the vertical communication in river course, made downstream, river course Fish cannot trace back breeding, upstream Fish cannot be whirled downstream of tracing back.Along with the development that river continuous system is theoretical, river internal medium and continuous print water body advantage on ecological diversity and impact resistance are increasingly subject to pay attention to.Find a kind of means being effectively improved river Connected degree and connectedness, carry out river ecosystem restoration, become the urgent needs in Ecology field.Therefore, both at home and abroad in order to meet fish and ecological requirements, built different types of fish pass structure as a kind of Ecological Compensation measure.Its common type has fish pass, fish lock, fish lift, artificial incubation field etc..
Fish pass is a kind of artificial canal connecting key water control project upstream and downstream or tank, when current flow to downstream along its upstream, Fish then can brave against the current in the sink or downstream and under, it is achieved cross dam.Different by its version, fish pass can be divided into pool fish pass and slot type fish pass.Fish pass import should be arranged in constantly to be had running water to flow out and easily finds part for Fish, and this place's flow velocity should be more slightly larger than neighbouring flow rate of water flow, but what not can exceed that Fish overcomes ability, usual fish pass import is arranged in bank, river or power station, spillway near exit, and answer current straight, water quality is fresh fertile.But owing to lacking further appreciating that straddling fish stocks life habit, and by the integral arrangement of engineering, causing fish pass import fluidised form more complicated, make to trace back Fish and not easily find fish pass import, what had a strong impact on fish pass crosses fish efficiency.Therefore, the Fish sailed against the stream are directed to fish pass entrance and so as to enter one of fish pass key technology becoming fish pass engineering design smoothly.
Summary of the invention
The purpose of the present invention is just for deficiency existing in prior art, and the one designed adapts to range of stage relatively greatly, and water consumption reduces, and saves the moisturizing of great lot of water resources and integrates the ecological gate water replenishing type fish pass inlet device of attracting.Use this device that Fish can be made to quickly find the import of fish pass so that it is to reach the purpose traced back.
For realizing the purpose of foregoing invention, the present invention adopts the technical scheme being made up of techniques below measure to realize.
Ecological gate water replenishing type fish pass inlet device of the present invention, including fish gathering barricade, the first fish pass import and the second fish pass import, outlet；Characterized by further comprising ecological gate, the first water supplement port barricade and the second water supplement port barricade, energy dissipating grid, first fish pass import sidewall, the second fish pass import sidewall and the 3rd fish pass import sidewall, the first regulating gate and the second regulating gate, broken line barricade, gate water supplement port, baffle wall style and stiling basin；Described fish gathering dams setting is the first fish gathering barricade and the second fish gathering barricade, and the first fish gathering barricade is positioned at outlet downstream and is connected with the 3rd fish pass import sidewall, and the second fish gathering barricade is near one section of barricade that side extends to form downstream from energy dissipating grid；Described ecological gate is three holes, and it is positioned at stiling basin upstream and connected, baffle wall style is positioned at stiling basin downstream and connected, immediately the second fish gathering barricade place, baffle wall style downstream arranges broken line barricade, between baffle wall style upstream and the second water supplement port barricade downstream, gate water supplement port is set, energy dissipating grid is between the first fish pass import sidewall and the second water supplement port barricade, first water supplement port barricade is between the first fish pass import sidewall and ecological gate, and the first fish pass import is between the first fish pass import sidewall and the second fish pass import sidewall, second fish pass import is between the second fish pass import sidewall and the 3rd fish pass import sidewall, it is respectively provided with the first regulating gate and the second regulating gate in the upstream of the first fish pass import and the second fish pass import downstream, outlet is located between the first fish pass import and the second fish pass import.
In technique scheme, described first fish pass import sidewall, the second fish pass import sidewall and the 3rd fish pass import sidewall wall are provided with the three layers auxiliary moisturizing shower nozzle being vertically arranged.
In technique scheme, described auxiliary moisturizing shower nozzle on the first fish pass import sidewall wall every layer be set to 3, on the second fish pass import sidewall wall, every layer is set to 8, and on the 3rd fish pass import sidewall wall, every layer is set to 3, adds up to 42 auxiliary moisturizing shower nozzles.
In technique scheme, described auxiliary its axis of moisturizing shower nozzle is vertical with each fish pass import sidewall wall.
In technique scheme, described broken line barricade is divided into straight line rectangular section and broken line, is connected with base plate bottom it.
In technique scheme, the straight line rectangular section of described broken line barricade is along downstream, its broken line upstream is connected with straight line rectangular section end, the interstitial hole RightWall aligned inside of broken line end and ecological gate, and broken line and straight line rectangular section angle are 140 °～150 °.
In technique scheme, described second fish gathering barricade is positioned at energy dissipating grid downstream, and namely energy dissipating grid is divided into two parts by the second fish gathering barricade, so that the current that gate water supplement port passes through carry out energy dissipating through two parts of energy dissipating grid.
In technique scheme, described outlet is between the first fish pass import and the second fish pass import, and has one section of slope between outlet and the first fish pass import and the second fish pass import.
In technique scheme, described first fish pass import is different with the input elevation of the second fish pass import, suitable in different water level operating modes, to improve fish efficiency.
Broken line barricade of the present invention is divided into straight line rectangular section and broken line, and its effect is the main flow direction for changing current, makes current main flow direction right bank spread, and reduces left bank fish pass import department flow velocity.
Gate water supplement port of the present invention is positioned at baffle wall style upstream, and due to the depth rise at baffle wall style place, baffle wall style upper pond level is relatively low, namely disclosure satisfy that the requirement of refill flow.
The stream that sluices under ecological gate of the present invention is entered downstream by stiling basin, gate water supplement port, energy dissipating grid, then is converged outlet current formation attracting current, and induction Fish enter fish pass.
The ultimate principle of ecological gate water replenishing type fish pass inlet device of the present invention is: quotes sluicing stream under ecological gate and carries out moisturizing attracting.Forming more stable attracting current by the effect of the energy dissipating effect of the ecological moisturizing of gate, stiling basin and energy dissipating grid and baffle wall style downstream broken line barricade, and make attracting flow rate of water flow meet attracting requirement, final induction Fish enter fish pass import smoothly；For making fish pass be applicable to different water level requirement, the first and second two fish pass imports that therefore this device adopts are to be adapted to the actual condition of different water level.
The present invention compared with prior art has the following advantages that and Advantageous Effects:
1, the stream that sluices under ecological gate in device of the present invention enters attracting passage by stiling basin, converges two fish pass Inlet water and flows into attracting passage, and its water consumption reduces, and saves substantial amounts of water resource.
2, device of the present invention disclosure satisfy that, by the effect of ecological gate and broken line barricade, fish condition of crossing incessantly, has continuous print and crosses fish ability, was greatly improved fish efficiency.
3, energy dissipating grid described in device of the present invention is the effect playing energy dissipating and gear fish when gate moisturizing, and ensures attracting current fluid stable, it is possible to meet attracting requirement.
4, apparatus structure of the present invention is simple, is applied in Practical Project and is prone to construction, invests little, and whole plant running can be automatically controlled by informationization, uses easy to operate.
Accompanying drawing explanation
Fig. 1 is ecological gate water replenishing type fish pass inlet device top plan view arrangement schematic diagram of the present invention；
Fig. 2 is the auxiliary moisturizing shower nozzle facade layout drawing that in ecological gate water replenishing type fish pass inlet device of the present invention, each fish pass import sidewall wall is arranged；Wherein, (a) is the second fish pass import sidewall wall auxiliary moisturizing nozzle layout of sprinkler figure；(b) be first and the 3rd fish pass import sidewall wall auxiliary moisturizing nozzle layout of sprinkler figure.
In figure: 1 ecological gate, 2-1 the first water supplement port barricade, 2-2 the second water supplement port barricade, 3 energy dissipating grids, 4-1 the first fish pass import sidewall, 4-2 the second fish pass import sidewall, 4-3 the 3rd fish pass import sidewall, 5-1 the first regulating gate, 5-2 the second regulating gate, 6-1 the first fish pass import, 6-2 the second fish pass import, 7 outlets, 8-1 the first fish gathering barricade, 8-2 the second fish gathering barricade, 9 broken line barricades, 10 gate water supplement ports, 11 baffle wall style, 12 stiling basins, 13 auxiliary moisturizing shower nozzles.
Detailed description of the invention
Below in conjunction with accompanying drawing and with specific embodiment, the present invention is described in further detail, but present disclosure is not limited only to content involved in described embodiment.
Ecological gate water replenishing type fish pass inlet device of the present invention, its top plan view structure as it is shown in figure 1, include fish gathering barricade, the first fish pass import 6-1 and the second fish pass import 6-2, outlet 7；Also include ecological gate 1, first water supplement port barricade 2-1 and the second water supplement port barricade 2-2, energy dissipating grid 3, first fish pass import sidewall 4-1, the second fish pass import sidewall 4-2 and the three fish pass import sidewall 4-3, first regulating gate 5-1 and the second regulating gate 5-2, broken line barricade 9, gate water supplement port 10, baffle wall style 11 and stiling basin 12；Described fish gathering dams setting is the first fish gathering barricade 8-1 and the second fish gathering barricade 8-2, first fish gathering barricade 8-1 is positioned at outlet 7 downstream and is connected with the 3rd fish pass import sidewall 4-3, and the second fish gathering barricade 8-2 is near one section of barricade that side extends to form downstream from energy dissipating grid 3；nullDescribed ecological gate 1 is three holes，And it is positioned at stiling basin 12 upstream and connected，Baffle wall style 11 is positioned at stiling basin 12 downstream and connected，Immediately the second fish gathering barricade 8-2 place, baffle wall style 11 downstream arranges broken line barricade 9，Between baffle wall style 11 upstream and the second water supplement port barricade 2-2 downstream, gate water supplement port 10 is set，Energy dissipating grid 3 is between the first fish pass import sidewall 4-1 and the second water supplement port barricade 2-2，First water supplement port barricade 2-1 is between the first fish pass import sidewall 4-1 and ecological gate 1，And the first fish pass import 6-1 is between the first fish pass import sidewall 4-1 and the second fish pass import sidewall 4-2，Second fish pass import 6-2 is between the second fish pass import sidewall 4-2 and the 3rd fish pass import sidewall 4-3，It is respectively provided with the first regulating gate 5-1 and the second regulating gate 5-2 in the upstream of the first fish pass import 6-1 and the second fish pass import 6-2 downstream，Outlet 7 is located between the first fish pass import 6-1 and the second fish pass import 6-2.
In ecological gate water replenishing type fish pass inlet device of the present invention, the structure of its auxiliary moisturizing shower nozzle 13 is arranged as shown in Figure 2, described auxiliary moisturizing shower nozzle 13 be arranged as vertical three-decker, the wall of the first fish pass import sidewall 4-1 arranges 3 for every layer, the wall of the second fish pass import sidewall 4-2 arranges 8 for every layer, 3rd fish pass sidewall 4-3 wall arranges 3 for every layer, amounts to 42 auxiliary moisturizing shower nozzles；The axis of described auxiliary moisturizing shower nozzle 13 and the first fish pass import sidewall 4-1, second fish pass import sidewall 4-2 and the three fish pass import sidewall 4-3 each fish pass import sidewall wall is vertical.
Embodiment
The present embodiment is the situation that described ecological gate water replenishing type fish pass inlet device is used for four operating modes, the following is experiment parameter used and experiment condition in its model experiment:
Described first fish pass import 6-1 and the second fish pass import 6-2 transverse section are rectangle, rectangular cross section width is 15cm, first fish pass import sidewall 4-1, the second fish pass import sidewall 4-2 and the three fish pass import sidewall 4-3 are highly contour, height is 17.5cm, and the first fish pass import 6-1 and the second fish pass import 6-2 two fish pass import downstream ramp are 1:3；First fish pass import 6-1 floor elevation is 187.47m, and the second fish pass import 6-2 floor elevation is 187.07m, and outlet 7 elevation is 186.22m, and its width is 20cm.
Ecological gate 1 used is three hole ecology gates, described energy dissipating grid 3 is network structure, its material is lucite, width 58cm, energy dissipating grid 3 is divided into two parts by the second fish gathering barricade 8-1, the current that gate water supplement port 10 passes through are made to carry out energy dissipating through two parts of energy dissipating grid 3, moisturizing flow velocity is made to be evenly distributed on tunneling boring, and it is avoided that the Fish in attracting passage enter moisturizing passage, play and block fish effect, part width between its second water supplement port barricade 2-2 and the second fish gathering barricade 8-2 is 15cm, part width between first fish pass import sidewall 4-1 and the second fish gathering barricade 8-2 is 43cm.
Described gate water supplement port 10 prototype width 15cm, its current are flowed into by ecological gate 1 and converge outlet 7 after stiling basin 12, gate water supplement port 10 and energy dissipating grid 3 and form attracting current, and induction Fish enter fish pass.
The wide 0.75cm of described broken line barricade 9, its straight line rectangular section end to gate pier tip length is 192cm, and direction is along downstream；Broken line upstream is connected with straight line rectangular section end, and the interstitial hole RightWall aligned inside of broken line end and ecological gate 1, the angle of broken line and straight line rectangular section is 140 °.
Described auxiliary moisturizing shower nozzle 13 is installed the pipeline of nozzle diameter 40mm, vertical three-decker is divided to arrange: the first each 3 spout interval 13cm between two of fish pass import sidewall 4-1 wall every layer, second every layer of each 8 spout of fish pass import sidewall 4-2 wall, are wherein positioned at 4 the every layer spout interval 13cm between two of the first fish pass import 6-1；It is positioned at 4 the every layer spout interval 8.5cm between two of the second fish pass import 6-2；3rd every layer of 3 spouts interval 8.5cm between two of fish pass import sidewall 4-3 wall, each spout axis is vertical with wall, amount to and 42 auxiliary moisturizing shower nozzles install 42 spouts altogether, namely its design current velocity is 4.00m/s, ensure that fish pass inlet velocity at critical swimming speed and is advanced by leaps and bounds between swimming rate, i.e. 0.7m/s～1.4m/s, reaches the purpose of actively attracting.
The specific operation process of the present embodiment is as follows:
Arrange as shown in Figure 1 according to the planar structure of model equipment and connect each parts, then four kinds of operating modes it are respectively provided with, operating mode 1: select the first fish pass import 6-1, its fish pass import depth of water 9cm, operating mode 2: select the first fish pass import 6-1, its fish pass import depth of water 11cm, operating mode 3: select the second fish pass import 6-2, its fish pass import depth of water 9cm, operating mode 4: select the second fish pass import 6-2, its fish pass import depth of water 11cm.
When operating mode 1 and operating mode 2 are tested, open the first regulating gate 5-1, close the second regulating gate 5-2；When operating mode 3 and operating mode 4 are tested, close the first regulating gate 5-1, open the second regulating gate 5-2.Controlling the depth of water of described fish pass import under various operating modes by regulating ecological gate 1 aperture, when ecological gate 1 aperture increases, the fish pass import depth of water under corresponding operating mode reduces, otherwise when ecological gate 1 aperture reduces, the fish pass import depth of water under corresponding operating mode increases.Flow rate of water flow uses spiral tachymeter to measure, and measures the flow velocity under four kinds of different operating modes at the first fish pass import 6-1, the second fish pass import 6-2 place: operating mode 1, recording attracting flow rates is 0.43m/s～0.57m/s；Operating mode 2, recording attracting flow rates is 0.41m/s～0.62m/s；Operating mode 3, recording attracting flow rates is 0.45m/s～0.62m/s；Operating mode 4, recording attracting flow rates is 0.42m/s～0.62m/s.Obtain fish pass inlet velocity from the experimental measurements of the present embodiment and at critical swimming speed and advance by leaps and bounds between swimming rate, namely between 0.7m/s～1.4m/s, therefore, illustrate all can meet attracting requirement.
Claims (10)
1. an ecological gate water replenishing type fish pass inlet device, including fish gathering barricade, the first fish pass import (6-1) and the second fish pass import (6-2), outlet (7)；Characterized by further comprising ecological gate (1), first water supplement port barricade (2-1) and the second water supplement port barricade (2-2), energy dissipating grid (3), first fish pass import sidewall (4-1), the second fish pass import sidewall (4-2) and the 3rd fish pass import sidewall (4-3), first regulating gate (5-1) and the second regulating gate (5-2), broken line barricade (9), gate water supplement port (10), baffle wall style (11) and stiling basin (12)；Described fish gathering dams setting is the first fish gathering barricade (8-1) and the second fish gathering barricade (8-2), first fish gathering barricade (8-1) is positioned at outlet (7) downstream and is connected with the 3rd fish pass import sidewall (4-3), and the second fish gathering barricade (8-2) is the one section of barricade extended to form near downstream from energy dissipating grid (3)；nullDescribed ecological gate (1) is three holes，And it is positioned at stiling basin (12) upstream and connected，Baffle wall style (11) is positioned at stiling basin (12) downstream and connected，Immediately the second fish gathering barricade (8-2) place, baffle wall style (11) downstream arranges broken line barricade (9)，Between baffle wall style (11) upstream and the second water supplement port barricade (2-2) downstream, gate water supplement port (10) is set，Energy dissipating grid (3) is positioned between the first fish pass import sidewall (4-1) and the second water supplement port barricade (2-2)，First water supplement port barricade (2-1) is positioned between the first fish pass import sidewall (4-1) and ecological gate (1)，First fish pass import (6-1) is positioned between the first fish pass import sidewall (4-1) and the second fish pass import sidewall (4-2)，Second fish pass import (6-2) is positioned between the second fish pass import sidewall (4-2) and the 3rd fish pass import sidewall (4-3)，It is respectively provided with the first regulating gate (5-1) and the second regulating gate (5-2) in the upstream of the first fish pass import (6-1) and the second fish pass import (6-2) downstream，Outlet (7) is between the first fish pass import (6-1) and the second fish pass import (6-2).
2. ecological gate water replenishing type fish pass inlet device according to claim 1, it is characterised in that be provided with three layers auxiliary moisturizing shower nozzle (13) being vertically arranged on described first fish pass import sidewall (4-1), the second fish pass import sidewall (4-2) and the 3rd fish pass import sidewall (4-3) wall.
3. ecological gate water replenishing type fish pass inlet device according to claim 2, it is characterized in that described auxiliary moisturizing shower nozzle (13) on the first fish pass import sidewall (4-1) wall every layer arrange 3, on the second fish pass import sidewall (4-2) wall, every layer arranges 8, on the 3rd fish pass import sidewall (4-3) wall, every layer arranges 3, adds up to 42 auxiliary moisturizing shower nozzles.
4. the ecological gate water replenishing type fish pass inlet device according to Claims 2 or 3, it is characterised in that the axis of described auxiliary moisturizing shower nozzle (13) is vertical with each fish pass import sidewall wall.
5. ecological gate water replenishing type fish pass inlet device according to claim 1, it is characterised in that described broken line barricade (9) is divided into straight line rectangular section and broken line, is connected with base plate bottom it.
6. ecological gate water replenishing type fish pass inlet device according to claim 5, it is characterized in that the straight line rectangular section of described broken line barricade (9) is along downstream, broken line upstream is connected with straight line rectangular section end, the interstitial hole RightWall aligned inside of broken line end and ecological gate (1).
7. the ecological gate water replenishing type fish pass inlet device according to claim 5 or 6, it is characterised in that the described broken line of broken line barricade (9) and the angle of straight line rectangular section are 140 °～150 °.
8. ecological gate water replenishing type fish pass inlet device according to claim 1 and 2, it is characterized in that described second fish gathering barricade (8-2) is positioned at energy dissipating grid (3) downstream, namely energy dissipating grid (3) is divided into two parts by the second fish gathering barricade (8-2).
9. ecological gate water replenishing type fish pass inlet device according to claim 1, it is characterized in that described outlet (7) is positioned between the first fish pass import (6-1) and the second fish pass import (6-2), and all have one section of slope between outlet (7) and the first fish pass import (6-1) and the second fish pass import (6-2).
10. ecological gate water replenishing type fish pass inlet device according to claim 1, it is characterised in that the input elevation of described first fish pass import (6-1) and the second fish pass import (6-2) differs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166115.7A CN105804029B (en) | 2016-03-22 | 2016-03-22 | Ecological gate water replenishing type fish pass inlet device |
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| CN201610166115.7A CN105804029B (en) | 2016-03-22 | 2016-03-22 | Ecological gate water replenishing type fish pass inlet device |
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| CN105804029A true CN105804029A (en) | 2016-07-27 |
| CN105804029B CN105804029B (en) | 2017-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107905186A (en) * | 2017-12-15 | 2018-04-13 | 成都芯云天科技有限公司 | Integrate the spiral shape building type fish pass system of sightseeing and drift function |
| CN108277783A (en) * | 2017-12-27 | 2018-07-13 | 长江勘测规划设计研究有限责任公司 | Fish pass moisturizing attracting structure and its moisturizing attracting method |
| CN108343038A (en) * | 2018-03-22 | 2018-07-31 | 国电大渡河沙坪水电建设有限公司 | Power station fish pass system |
| CN108708356A (en) * | 2018-07-05 | 2018-10-26 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
| CN108755620A (en) * | 2018-06-08 | 2018-11-06 | 贵州省水利水电勘测设计研究院 | A kind of attracting fish method changing flow direction-changing angle |
| CN112281772A (en) * | 2020-11-26 | 2021-01-29 | 孙汝娒 | Ecological gate moisturizing formula fishway import device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905186A (en) * | 2017-12-15 | 2018-04-13 | 成都芯云天科技有限公司 | Integrate the spiral shape building type fish pass system of sightseeing and drift function |
| CN108277783A (en) * | 2017-12-27 | 2018-07-13 | 长江勘测规划设计研究有限责任公司 | Fish pass moisturizing attracting structure and its moisturizing attracting method |
| CN108343038A (en) * | 2018-03-22 | 2018-07-31 | 国电大渡河沙坪水电建设有限公司 | Power station fish pass system |
| CN108343038B (en) * | 2018-03-22 | 2024-04-16 | 国能大渡河沙坪发电有限公司 | Hydropower station fishway system |
| CN108755620A (en) * | 2018-06-08 | 2018-11-06 | 贵州省水利水电勘测设计研究院 | A kind of attracting fish method changing flow direction-changing angle |
| CN108708356A (en) * | 2018-07-05 | 2018-10-26 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
| CN112281772A (en) * | 2020-11-26 | 2021-01-29 | 孙汝娒 | Ecological gate moisturizing formula fishway import device |
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| CN105804029B (en) | 2017-08-11 |
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