CN209873694U - Device for collecting fish in tail water of hydropower station - Google Patents
Device for collecting fish in tail water of hydropower station Download PDFInfo
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- CN209873694U CN209873694U CN201920224586.8U CN201920224586U CN209873694U CN 209873694 U CN209873694 U CN 209873694U CN 201920224586 U CN201920224586 U CN 201920224586U CN 209873694 U CN209873694 U CN 209873694U
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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 device of power station tail water fish collection. The device comprises a fish collecting box arranged in or outside a tail water pipe/tail water hole, and a lifting mechanism which is positioned above the fish collecting box and arranged on a tail water platform, wherein the lifting mechanism is arranged at a tail water port on the tail water platform, and the fish collecting box is connected to the lifting mechanism; the fish collecting box is provided with a fish inlet facing the outer side of the tail water pipe/tail water hole. The utility model has the advantages of improve fish gathering efficiency, protect fish better.
Description
Technical Field
The utility model relates to a hydraulic engineering and environmental protection engineering technical field, it is a device of power station tail water fish collection that says so more specifically.
Background
The water conservancy and hydropower engineering brings considerable influence on the ecological environment, particularly on the blocking influence of a fish migration channel while exerting benefits of flood control, power generation, shipping and the like. The fish-passing facility is used as a fish protection measure for relieving the dam blocking effect for more than 300 years internationally, and plays a role in recovering a fish migration channel and communicating genes of upstream and downstream fish groups. The main types of fish passing facilities comprise fishways, fish lifts, lifting lock rooms, fish collecting and transporting systems and the like. The fish collecting and transporting system is suitable for high dam engineering due to the reasons of flexible arrangement, simple and convenient dam passing, fish physical strength saving, investment saving and the like, and is rapidly developed in recent years.
For fish passing facilities, the imported fish collecting efficiency is the most important link related to the fish passing effect no matter what kind of fish passing facilities. According to the migration habit of fishes, the fishes generally have a traceability habit, can trace to the forefront of a separation barrier (such as a dam) along the mainstream, so the best fishway inlet is generally arranged near the dam, but under the actual condition, the fishes are often found to trace to enter a tail water pipe of a plant, such as a camp electric hub of Hanjiang river trekko in 2016, a large amount of fishes in the field trace to enter the tail water pipe, and are trapped at a tail gate slot due to overlarge turbulence, so that the fish feeding effect of the fishway inlet arranged at the bank is influenced, and part of the fishes cannot escape and are injured.
At present, fish passing facilities generally have several fish collecting modes, for a fishway, a fishway inlet is arranged at the bank side, fish luring is carried out through water flow or water supplement discharged from the fishway, a fish lifting machine is the same as the fishway, fish luring is generally carried out through water supplement, and the inlet position is generally at the bank side.
The above method has the following disadvantages:
1) the inlet is arranged at a certain position on the shore or in a dam, but as the downward flow of the fish passing facility is greatly lower than the tail water of a factory building, most fishes are attracted by the tail water of power generation and go up to enter a tail water pipe (hole) along the main flow of the tail water, so that the efficiency of a fish inlet is low; 2) the fish inlet of the fish passing facility needs water supplement, the water supplement generally comes from an upstream reservoir area or water supply of a building pump station, the energy consumption is large, and the power generation benefit is influenced; 3) the elevation of the fish inlet is fixed, and the fish inlet is not suitable for fishes inhabiting different water layers.
Therefore, how to make the fish gathering system of the fish passing facility work more efficiently and better play the function of the fish passing facility is a technical problem to be solved urgently.
Disclosure of Invention
The utility model aims at providing a device of power station tail water fish collection improves fish collection efficiency, protects fish better.
In order to realize the above, the utility model discloses an aim at, the technical scheme of the utility model is: the utility model provides a device of power station tail water fish collection which characterized in that: the device comprises a fish collecting box arranged in or outside a tail water pipe/tail water hole, and a lifting mechanism which is positioned above the fish collecting box and arranged on a tail water platform, wherein the lifting mechanism is arranged at a tail water port on the tail water platform, and the fish collecting box is connected to the lifting mechanism; the fish collecting box is provided with a fish inlet facing the outer side of the tail water pipe/tail water hole.
In the technical scheme, the water baffle structure is arranged in the fish collecting box and is positioned on the water inlet side of the fish collecting box.
In the technical scheme, one or more fish collection boxes are provided; when a plurality of fish collection boxes are arranged, the plurality of fish collection boxes are arranged in a stacking and/or interval manner; lifting rails are correspondingly arranged on two side walls of the tail water pipe/tail water hole, and the lifting rails are arranged at a tail water port on the tail water platform; the fish collecting box is connected with the lifting track in a sliding manner through track limiting devices arranged on two sides; the fish collecting box is connected to the lifting mechanism through a lifting mechanism cable sleeved on the lifting ring.
In the technical scheme, the fish collection box comprises a fish collection box frame, the track limiting devices and the lifting rings are correspondingly arranged on two side faces of the fish collection box frame, the lifting rings are multiple, and the lifting rings are correspondingly arranged on the partial frame for collecting fish.
In the technical scheme, the fish collecting box frame comprises fish collecting part frames arranged on two sides, a water passing part frame arranged in the middle and a water storing part frame arranged at the bottom; one or more fish collecting part frames are arranged on one side of the water passing part frame or on the left side and the right side of the water passing part frame; the water storage part frame comprises one or more first water storage part frames arranged at the lower end of the fish collecting part frame; the side plate of the water storage part is arranged on the frame of the water storage part and is of a watertight plate-shaped structure.
In the technical scheme, the water storage part frame further comprises a second water storage part frame and a connecting channel, the second water storage part frame is arranged at the lower end of the water passing part frame, a water permeable type grating structure is arranged on the second water storage part frame and is located above the connecting channel, the first water storage part frame and the second water storage part frame are communicated with each other through the connecting channel, a water storage part side plate and a water storage part frame form a water storage structure, the water storage part side plate is arranged on the water storage part frame, and the water storage structure is of a square structure with an upward opening.
In the above technical scheme, be equipped with the formula of permeating water grid structure between first water storage part frame and the second water storage part frame, water storage part curb plate and first water storage part frame constitute and deposit the water structure, water storage part curb plate is located on first water storage part frame, it is the square structure of opening up to deposit the water structure.
In the technical scheme, the rear side face of the fish collecting part frame is provided with a water permeable grid structure, and the fish collecting part frame is provided with an escape-proof bell mouth.
In the technical scheme, the fish collecting part frame and the water permeable grating structure are enclosed to form a fish storage box, the fish inlet is communicated with the inside of the fish storage box, and the fish storage box is communicated with the water storage structure; the fish inlet is arranged at the end part of the escape-proof bell mouth and is positioned in the fish gathering part frame.
In the technical scheme, the lifting track is vertically arranged; the track limiting device is vertically arranged on the side face of the fish collecting box frame, and the lifting track is parallel to the track limiting device.
The utility model has the advantages of as follows:
(1) the utility model utilizes the power generation tail water of the factory building to the maximum extent to lure fish, the flow is large, and the fish collecting efficiency is high; the utility model utilizes the flow-approaching characteristic of fishes to collect fishes in the most intensive area of fishes, thereby greatly improving the fish collecting efficiency (the fish luring water volume of the utility model is large, and can generally reach more than one hundred times of the fish luring flow volume of the conventional fish lifting machine); the defects that the fish luring water flow at the fish inlet is small and cannot compete with the tail water of the power station, most of fishes are gathered to the tail water of the power station, and the fish gathering efficiency of the fish passing facility is low in the prior art are overcome;
(2) the utility model does not need additional water supply, avoids diversion from the dam or diversion from building a pump station, and greatly saves the engineering operation cost (the construction cost of the common fish elevator is about 2000-4000 ten thousand yuan, and the cost of the utility model is about 1000 ten thousand yuan); overcomes the defects of large water supplement amount and high operation cost of the fish passing facility in the prior art (the utility model discloses utilize the tail water of electricity generation to lure the fish, do not consume water and electric power, the operation cost is lower, and the fish elevator in the prior art generally relies on upstream water diversion or water pump water supplement according to average 2.0m3The water supplement amount per second is calculated, the water consumption per day is about 17.3 ten thousand tons, the power consumption is about 1.5 ten thousand degrees of electricity, and the operation cost is higher);
(3) the utility model can safely transfer fishes, and avoid the risk that the fishes are injured and caught by fishermen because the fishes are trapped in turbulent water areas such as tail water gate slots for a long time;
(4) the utility model can flexibly adjust the working depth and collect fishes on different water layers; the defect that the depth of a fish inlet is fixed and both the surface layer fish and the bottom layer fish are difficult to be considered in the prior art is overcome;
(5) the utility model discloses have one or more and advance the fish mouth, under different power station electricity generation operating mode, a plurality of fish mouths of advancing form the different luring fish velocity of flow of height, and fish can freely select the fish mouth of advancing of its hobby to go into, consequently is fit for the operating mode wide range.
The utility model discloses a facility of hydropower house tail water fish collection directly places the fish collection box at the most terminal point (namely factory building tail water pipe/tail water hole department) that fish were traced upward, utilizes the utility model discloses gather the migratory fish in the river course, can be new efficient collection fish; in crossing fish facility engineering, adopt the utility model discloses collect fish, can improve fish gathering efficiency, avoid fish to stay in draft tube/tail water hole department for a long time or even be injured, better protection fish simultaneously.
Drawings
Fig. 1 is the utility model discloses locate power station tail water gap department spatial structure sketch map.
Fig. 2 is the utility model discloses locate power station tail water gap department main view structure schematic diagram.
Fig. 3 is the utility model discloses locate power station tail water gap department and overlook the structure sketch map.
Fig. 4 is a schematic view of the three-dimensional structure of the fish collection box of the present invention.
Fig. 5 is a rear view structure diagram of the fish collecting box of the utility model.
Fig. 6 is a schematic view of the top view structure of the fish collecting box of the present invention.
Fig. 7 is the left view structure diagram of the fish collecting box of the utility model.
Fig. 8 is a schematic view of the structure of the fish-collecting box of the present invention.
Fig. 9 is a rear perspective view of fig. 8.
In the figure, 1-a tail water pipe/tail water hole, 2-a tail water port, 3-a fish collecting box, 3.1-a fish collecting box frame, 3.11-a fish collecting part frame, 3.12-a water passing part frame, 3.13-a water storing part frame, 3.131-a first water storing part frame, 3.132-a second water storing part frame, 3.133-a connecting channel, 3.2-a track limiting device, 3.3-a lifting ring, 3.4-a water permeable grid structure, 3.5-a water storing part side plate, 3.6-a fish storing box, 3.7-a water storing structure, 3.8-an escape preventing horn mouth, 3.9-a fish inlet, 3.10-a water retaining plate structure, 4-a lifting mechanism, 5-a lifting track and 6-a tail water platform.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
With reference to the accompanying drawings: a device for collecting fish in tail water of a hydropower station comprises a fish collecting box 3 arranged in or outside a tail water pipe/tail water hole 1 and a lifting mechanism 4 which is positioned above the fish collecting box 3 and arranged on a tail water platform 6, wherein the lifting mechanism 4 is arranged at a tail water port 2 on the tail water platform 6, and the fish collecting box 3 is connected to the lifting mechanism 4; the fish collecting box 3 is provided with a fish inlet 3.9, and the fish inlet 3.9 faces the outer side of the tail water pipe/tail water hole (as shown in fig. 1, fig. 2 and fig. 3), so that the fish can be driven to flow easily, and the fish can conveniently enter the fish collecting box through the fish inlet in the upstream direction.
Have breakwater structure 3.10 to locate in the collection fish case 3, and be located collection fish case 3 water inlet side, breakwater structure 3.10's shape and size are set for (as shown in figure 9) according to actual demand, and its effect can block rivers, forms in certain area and delays the regional that flows, satisfies the rest needs of fish, avoids fish to swim for a long time and produces fatigue.
One or more fish collection boxes 3; when a plurality of fish collection boxes 3 are arranged, the plurality of fish collection boxes 3 are arranged in a stacking and/or spaced mode, the working depth can be flexibly adjusted according to the requirement, and fishes in different water layers are collected;
lifting rails 5 are correspondingly arranged on two side walls of the tail water pipe/tail water hole 1, and the lifting rails 5 are arranged at a tail water port 2 on a tail water platform 6 (as shown in figures 1 and 2); the fish collecting box 3 is connected with the lifting track 5 in a sliding way through track limiting devices 3.2 arranged on two sides; a lifting ring 3.3 is arranged on the fish collection box 3 (as shown in fig. 4), and the fish collection box 3 is connected to a lifting mechanism 4 through a lifting mechanism cable sleeved on the lifting ring 3.3; the lifting mechanism can be connected with and lift the fish collecting box by utilizing a lifting ring, a lifting track, a track limiting device and a cable, and the track limiting device corresponds to the lifting track and can vertically ascend or descend along the lifting track; the lifting mechanism 4 is not limited to lifting by using a lifting ring, a lifting rail, a rail limiting device and a cable, but also comprises lifting by using other modes such as a rack and pinion type lifting machine, a crane, a gantry crane, a truck crane and the like.
The fish collection box 3 comprises a fish collection box frame 3.1, a plurality of track limiting devices 3.2 and a plurality of hanging rings 3.3 which are correspondingly arranged on two side surfaces of the fish collection box frame 3.1, the hanging rings 3.3 are correspondingly arranged at the upper end or the side surface or the bottom of the fish collection part frame 3.11 (as shown in figure 4), the hanging rings are arranged on the fish collection box frame according to the box body structure and the gravity center, the stability of the fish collection box in the lifting process is maintained, the hanging rings are lifting points for lifting, and the hanging rings can be connected through a cable of a lifting mechanism and lift the fish collection box; the track limiting device corresponds to the lifting track and can vertically ascend or descend along the lifting track; the fish collecting box frame is a main body connecting structure of the fish collecting box.
The fish collecting box frame 3.1 comprises fish collecting part frames 3.11 arranged at two sides, a water passing part frame 3.12 arranged at the middle part and a water storing part frame 3.13 arranged at the bottom; one or more fish collecting part frames 3.11 are arranged, and the fish collecting part frames 3.11 are arranged on one side of the water passing part frame 3.12 or on the left side and the right side of the water passing part frame 3.12; the water storage part frame 3.13 comprises a first water storage part frame 3.131 arranged at the lower end of the fish gathering part frame 3.11, and one or more first water storage part frames 3.131; the side plate 3.5 with water storage part is arranged on the water storage part frame 3.13, the side plate 3.5 with water storage part is a water-proof plate structure (as shown in fig. 4, 5, 6, 7, 8 and 9), the function of the frame of the fish collection box is mainly to maintain the firmness of the structure of the fish collection box, so that the fish collection box can be kept firm and stable under the impact of water flow.
The water storage part frame 3.13 also comprises a second water storage part frame 3.132 and a connecting channel 3.133 which are arranged at the lower end of the water passing part frame 3.12, a water passing type grating structure 3.4 is arranged on the second water storage part frame 3.132, the water passing type grating structure 3.4 is positioned above the connecting channel 3.133, so that fishes are prevented from escaping from the upper end of the second water storage part frame, the first water storage part frame 3.131 and the second water storage part frame 3.132 are mutually communicated through the connecting channel 3.133, the water storage part side plates 3.5 and the water storage part frame 3.13 form a water storage structure 3.7, the water storage part side plates 3.5 are arranged on the front side surface, the rear side surface, the left side surface, the right side surface and the bottom surface of the water storage part frame 3.13, the fishes can freely move between the first water storage part frame and the second water storage part frame after entering the swimming fish collecting box, the moving range of the fishes is enlarged, and the water storage structure 3.7 is of a square structure with an upward opening (as shown in figure 4, As shown in fig. 5 and 8), a water body with a certain depth is stored through the water storage structure, and the water depth meeting the requirements of fishes can be kept in the box body after the fish collection box is lifted out of the water surface.
Be equipped with between first water storage part frame 3.131 and the second water storage part frame 3.132 and pass through water formula grid structure 3.4, water storage part curb plate 3.5 and first water storage part frame 3.131 constitute water storage structure 3.7, water storage part curb plate 3.5 is located on first water storage part frame 3.131 leading flank, trailing flank, left surface and/or right flank and the bottom surface, water storage structure 3.7 is opening square structure up, deposits the water of certain degree of depth through water storage structure, can keep having the depth of water that satisfies the demand of living fish in the box after the collection fish box rises out the surface of water.
The rear side surface of the fish part frame 3.11 is provided with a water permeable type grating structure 3.4; the left side, the right side and the top of the fish-collecting part frame 3.11 are all provided with water-permeable grating structures 3.4 and/or water-impermeable structures; the leading flank of fish gathering part frame 3.11 is equipped with prevents escaping bellmouth 3.8, prevent escaping on the crossbeam and/or the vertical roof beam of fish gathering part frame 3.11 is located to the one end of bellmouth 3.8, the other end forms the anti-escaping structure that the cross section reduces gradually to the inside extension of fish gathering part frame 3.11, prevent escaping bellmouth 3.8 has one or more, the effect of preventing escaping the bellmouth is the one-way current structure that forms fish and easily advance difficult play, make fish can follow the outside and get into the fish collection box through preventing escaping the bellmouth, be difficult to escape to outside the fish collection box from the fish collection box simultaneously. The fish inlet 3.9 is arranged at the end part of the escape-proof bell mouth 3.8 and is positioned in the fish gathering part frame 3.11, and one or more fish inlets 3.9 are arranged; the fish collecting part frame 3.11 and the water permeable grating structure 3.4 are enclosed to form a fish storage box 3.6, the fish inlet 3.9 is communicated with the inside of the fish storage box 3.6, the fish storage box 3.6 is communicated with the water storage structure 3.7, the escape-proof bell mouth 3.8 is of a water permeable grating structure (shown in figures 4-8), the escape-proof bell mouth and the water permeable grating structure on the rear side surface of the fish collecting part frame can prevent fishes from escaping, and water flow is not limited to flow in the fish collection box; deposit fish bottom of the case portion and be equipped with inclined bottom plate, deposit and be equipped with on the fish case and put the fish mouth and put the fish gate, inclined bottom plate's effect can be through opening the gate with the incasement water and the fish all discharge.
The lifting track 5 is vertically arranged; the track limiting device 3.2 is vertically arranged on the side face of the fish collection box frame 3.1, the lifting track 5 is arranged in parallel with the side face of the fish collection box frame 3.1 (as shown in fig. 2, 3, 4, 5, 6, 7 and 8), and the limiting device of the fish collection box frame is matched with the track in size and has the function of ensuring that the fish collection box smoothly slides up and down along the track.
The density of the water permeable grating is determined according to the characteristic parameters of the fish gathering target, such as body length, body width, body height and the like. The fish collection box frame 3.1 is a steel frame.
The utility model relates to a fish collecting method of device of power station tail water fish collection, including following step:
the method comprises the following steps: connecting the fish collection box 3 to a lifting mechanism 4 through a lifting lug, and lowering the fish collection box 3 to a proper water depth in or outside the draft tube/tail water hole 1 by the lifting mechanism 4 (as shown in fig. 1, 2 and 3);
step two: when power is generated by tail water of the power station, water flows into the rear side (namely a water inlet) of the fish collection box 3 and flows out from the front side (namely a water outlet) of the fish collection box 3 to form fish luring water flow, fish enter the fish collection box 3 along a fish inlet 3.9 under the attraction of the fish luring water flow, and a proper water flow position is found for rest;
when the power is not generated, no water flow passes through the fish collection box 3, the fish collection box 3 is placed in the draft pipe/draft hole 1 or in the proper water depth outside, and partial fishes randomly enter or fish luring measures such as baits, light and the like are placed in the box body of the fish collection box 3 to lure the fishes to enter the fish collection box 3;
step three: when enough fish enter the fish collection box 3, the fish collection box 3 is lifted vertically to the tail water platform 6 along the lifting track 5 by the lifting mechanism 4.
In the first step, the cable of the fish collection box 3 is connected to the lifting ring 3.3 on the fish collection box 3, and the lifting mechanism 4 vertically lowers the fish collection box 3 along the lifting rail 5 to a proper depth of water inside or outside the draft tube/draft hole 1 by lowering the cable (as shown in fig. 4, 5, 6, 7 and 8).
In the third step, in the process of lifting the fish collecting box 3 by the lifting mechanism 4, a large amount of water flows out of the water passing part frame 3.12, and part of the water flows out of the water permeable grid structure 3.4 on the fish collecting box 3; after the fish collection tank 3 rises out of the water, the fish in the fish collection tank 3 are concentrated in the fish storage tank 3.6 and the water storage structure 3.7.
In order to illustrate more clearly the utility model discloses a device of power station tail water fish collection compares advantage that has with prior art, the staff contrasts these two kinds of technical scheme, its contrast result is as follows:
can know by last table, a device of power station tail water fish collection compare with prior art, the cost is lower, fish collection efficiency is higher, can adjust the working depth, collect the fish on different water layers.
Other parts not described belong to the prior art.
Claims (10)
1. The utility model provides a device of power station tail water fish collection which characterized in that: the device comprises a fish collecting box (3) arranged in or outside a tail water pipe/tail water hole (1), and a lifting mechanism (4) which is positioned above the fish collecting box (3) and arranged on a tail water platform (6), wherein the lifting mechanism (4) is arranged at a tail water port (2) on the tail water platform (6), and the fish collecting box (3) is connected to the lifting mechanism (4); the fish collecting box (3) is provided with a fish inlet (3.9), and the fish inlet (3.9) faces to the outer side of the tail water pipe/tail water hole.
2. The device for collecting fish in tail water of a hydropower station according to claim 1, wherein: a water baffle structure (3.10) is arranged in the fish collection box (3) and is positioned at the water inlet side of the fish collection box (3).
3. A hydroelectric power station tailwater fish-collecting device according to claim 1 or 2, characterized in that: one or more fish collection boxes (3); when a plurality of fish collection boxes (3) are arranged, the plurality of fish collection boxes (3) are placed in a stacking and/or spaced mode; lifting rails (5) are correspondingly arranged on two side walls of the tail water pipe/tail water hole (1), and the lifting rails (5) are arranged at a tail water port (2) on a tail water platform (6); the fish collection box (3) is connected with the lifting track (5) in a sliding way through track limiting devices (3.2) arranged on two sides; the fish collecting box (3) is provided with a lifting ring (3.3) and is connected to the lifting mechanism (4) through a lifting mechanism cable sleeved on the lifting ring (3.3).
4. A hydropower station tail water fish gathering device according to claim 3, characterized in that: fish collection case (3) including collection fish case frame (3.1), correspond locate collection fish case frame (3.1) both sides face on track stop device (3.2) with rings (3.3), rings (3.3) have a plurality ofly, rings (3.3) correspond and locate on collection fish partial frame (3.11).
5. The device for collecting fish in tail water of a hydropower station according to claim 4, wherein: the fish collecting box frame (3.1) comprises fish collecting part frames (3.11) arranged at two sides, a water passing part frame (3.12) arranged at the middle part and a water storing part frame (3.13) arranged at the bottom; one or more fish collecting part frames (3.11), wherein the fish collecting part frames (3.11) are arranged on one side of the water passing part frame (3.12) or on the left side and the right side of the water passing part frame (3.12); the water storage part frame (3.13) comprises a first water storage part frame (3.131) arranged at the lower end of the fish collecting part frame (3.11), and one or more first water storage part frames (3.131) are arranged; the side plate (3.5) of the water storage part is arranged on the frame (3.13) of the water storage part, and the side plate (3.5) of the water storage part is of a watertight plate-shaped structure.
6. The device for collecting fish in tail water of a hydropower station according to claim 5, wherein: water-holding partial frame (3.13) is still including locating second water-holding partial frame (3.132) and connecting channel (3.133) of water-passing partial frame (3.12) lower extreme, be equipped with water-permeable type grid structure (3.4) on second water-holding partial frame (3.132), water-permeable type grid structure (3.4) are located connecting channel (3.133) top, pass through between first water-holding partial frame (3.131) and second water-holding partial frame (3.132) connecting channel (3.133) communicate each other, water-holding partial curb plate (3.5) and water-holding partial frame (3.13) constitute water-holding structure (3.7), water-holding partial curb plate (3.5) are located on water-holding partial frame (3.13), water-holding structure (3.7) are the square structure of opening up.
7. The device for collecting fish in tail water of a hydropower station according to claim 5, wherein: be equipped with between first water storage part frame (3.131) and the second water storage part frame (3.132) and pass through water formula grid structure (3.4), water storage part curb plate (3.5) and first water storage part frame (3.131) constitute and deposit water structure (3.7), water storage part curb plate (3.5) are located on first water storage part frame (3.131), it is the square structure of opening up to deposit water structure (3.7).
8. A device for collecting fish from the tail water of a hydropower station according to claim 6 or 7, characterized in that: the rear side surface of the fish collecting part frame (3.11) is provided with a water permeable grid structure (3.4), and the fish collecting part frame (3.11) is provided with an escape-proof bell mouth (3.8).
9. The device for collecting fish in tail water of a hydropower station according to claim 8, wherein: a fish collecting part frame (3.11) and a water permeable grating structure (3.4) are enclosed to form a fish storage box (3.6), the fish inlet (3.9) is communicated with the inside of the fish storage box (3.6), and the fish storage box (3.6) is communicated with the water storage structure (3.7); the fish inlet (3.9) is arranged at the end part of the escape-proof bell mouth (3.8) and is positioned in the fish-gathering part frame (3.11).
10. The device for collecting fish in tail water of a hydropower station according to claim 8, wherein: the lifting track (5) is vertically arranged; track stop device (3.2) set up perpendicularly on the side of collection fish box frame (3.1), promote track (5) with track stop device (3.2) are parallel arrangement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920224586.8U CN209873694U (en) | 2019-02-22 | 2019-02-22 | Device for collecting fish in tail water of hydropower station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920224586.8U CN209873694U (en) | 2019-02-22 | 2019-02-22 | Device for collecting fish in tail water of hydropower station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016883A (en) * | 2019-02-22 | 2019-07-16 | 长江勘测规划设计研究有限责任公司 | A kind of device and its attracting fish method of hydropower station tail water fish gathering |
| CN110106823A (en) * | 2019-02-22 | 2019-08-09 | 长江勘测规划设计研究有限责任公司 | Fish-aggregating device and its attracting fish method suitable for built power station |
-
2019
- 2019-02-22 CN CN201920224586.8U patent/CN209873694U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016883A (en) * | 2019-02-22 | 2019-07-16 | 长江勘测规划设计研究有限责任公司 | A kind of device and its attracting fish method of hydropower station tail water fish gathering |
| CN110106823A (en) * | 2019-02-22 | 2019-08-09 | 长江勘测规划设计研究有限责任公司 | Fish-aggregating device and its attracting fish method suitable for built power station |
| CN110106823B (en) * | 2019-02-22 | 2023-12-01 | 长江勘测规划设计研究有限责任公司 | Fish collecting device and method suitable for built hydropower station |
| CN110016883B (en) * | 2019-02-22 | 2023-12-15 | 长江勘测规划设计研究有限责任公司 | Hydropower station tail water fish collecting device and fish collecting method thereof |
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