CN205152915U - Journey moisturizing attracting system is followed to fishway - Google Patents
Journey moisturizing attracting system is followed to fishway Download PDFInfo
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- CN205152915U CN205152915U CN201520908114.6U CN201520908114U CN205152915U CN 205152915 U CN205152915 U CN 205152915U CN 201520908114 U CN201520908114 U CN 201520908114U CN 205152915 U CN205152915 U CN 205152915U
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- fish pass
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- fishway
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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 journey moisturizing attracting system is followed to fishway belongs to the fishway field, provide one kind neither the loss electricity generation water yield do not adopt the moisturizing mode of drawing water again, the better journey moisturizing attracting system is followed to fishway of attracting effect simultaneously, including the fishway, still include many moisturizing pipes, the flow direction interval setting of fishway is followed to many moisturizing pipes to every moisturizing pipe is including end and the play water end (W. E. ) of intaking, the end of intaking communicates with the fishway respectively with the play water end (W. E. ), the end of intaking of every moisturizing pipe is located the upper reaches of its water end (W. E. ) along fishway flow direction direction to the end of intaking of every moisturizing pipe is higher than its water end (W. E. ) in vertical direction. Through many moisturizing pipes, can upwards form a plurality of journeys of following along cheng fang at the fishway and mend the water spot, can make fish receive induced tracing back at the chengchixu that follows of fishway, improve the attracting effect, directly water intaking from the fishway in of every moisturizing pipe simultaneously, then return again to the fishway in, so can not lead to the fact great influence to water velocity in the fishway, guarantee that the attracting effect is better.
Description
Technical field
The utility model relates to fish pass field, particularly relates to a kind of fish pass along journey moisturizing attracting system.
Background technology
Countries in the world are built in the process of water conservancy projects, all can run into dam and block fish migration passage, affect the problem of the stock of fish.For addressing this problem, generally on dam, build fish pass structure, wherein imitative nature passage and fish pass most widely used general.
In fish pass design, fish pass imports and exports operating water level, fish pass flow velocity, fish pass pond cell structure, drop and longitudinal gradient, fish pass attracting system are fish pass design key technology between pond.On current Practical Project, fish pass adopts the measures such as moisturizing attracting, ultrasonic wave attracting, photoelectricity attracting usually.Wherein moisturizing attracting is the most common, usually adopting in fish pass import and concentrates water supplementing method, by controlling the water velocity of fish pass import department, luring that fish enter the object of fish pass into reach.
Be mention in the application for a patent for invention document of 201210258976.X arranging water charging system by fish pass import at application number, realize luring that fish enter the object of fish pass into.But the water charging system in this patent is only for the import of fish pass, and fish, once after entering fish pass, not proceed moisturizing along fish pass along Cheng Fangxiang, and the effect that therefore fish continue to trace back will be had a greatly reduced quality.
In addition, traditionally adopted along occurring in journey water supplementing method the upstream generating storehouse water or adopt and extract downstream tail water to fish pass along Cheng Jinhang moisturizing of releasing; But adopt generating storehouse, upstream water mode of releasing to cause the loss of water amount of power generating, adopt extraction downstream tail water then to need peripheral hardware water pump, cause energy consumption to increase simultaneously.In addition, above-mentioned two kinds traditional along journey water supplementing method, all can cause and flow to the skimble-scamble situation of flow velocity on direction along fish pass, both more to downstream, the situation that flow velocity is larger; Therefore be all unfavorable for controlling the flow condition in fish pass, the induction of fish traced back and also can meet with into certain influence, attracting poor effect.
Utility model content
The technical problem that the utility model solves is to provide one and neither loses water amount of power generating and do not adopt the water supplementing method that draws water again, and the good fish pass of attracting effect is along journey moisturizing attracting system simultaneously.
The utility model solves the technical scheme that its technical problem adopts: fish pass is along journey moisturizing attracting system, comprise fish pass, also comprise many filling pipes, described many filling pipes are arranged along the interval that flows to of fish pass, and every root filling pipe comprises water inlet end and water side, and described water inlet end is communicated with fish pass respectively with water side; The water inlet end of every root filling pipe flows to along fish pass the upstream that direction is positioned at its water side, and the water inlet end of the every root filling pipe of in the vertical direction is not less than its water side.
Further: at the water inlet end place of every root filling pipe, water inlet end is lower than the liquid level of current in fish pass, and at the water side place of every root filling pipe, water side is higher than the liquid level of current in fish pass.
Further: at the water side place of every root filling pipe, water side exceeds more than the liquid level 40cm of current in fish pass.
Further: described fish pass flows to along fish pass has certain gradient, and described filling pipe is horizontally disposed with.
Further: described fish pass comprises the side wall of both sides and the base plate of bottom; Described filling pipe is embedded in the side wall of wherein one or both sides.
Further: described fish pass also comprises multiple partition wall, fish pass flows to along fish pass and is divided into multiple fish room by described multiple partition wall; Each partition wall was provided with fish seam.
Further: the described angle theta crossing the center line of fish seam and the center line of fish pass is 45 °.
Further: the water inlet end of filling pipe is communicated with fish pass after the inside wall of side wall passes; The water side of filling pipe passes from one of them partition wall and is communicated with fish pass afterwards, and water side is stitched corresponding with mistake fish.
Further: upstream extremity and the downstream of crossing fish seam are all set to circular arc flow-guiding structure.
The beneficial effects of the utility model are: arrange many filling pipes by flowing to along fish pass on direction, by every root filling pipe, upwards can be formed along Cheng Fang at fish pass and multiplely mend water spot along journey, fish being subject to induction along Cheng Chixu and tracing back at fish pass can be made, improve attracting effect; Every root filling pipe is fetched water in fish pass by water inlet end simultaneously, is then back in the fish pass in downstream by water side again, therefore can not affects greatly water velocity in fish pass, guarantee that attracting effect is better; And the structure that filling pipe utilizes fish pass to be obliquely installed, utilizes natural water pressure to carry out moisturizing, without the need to peripheral hardware water pump, also can save energy consumption.In addition, exceed more than the liquid level 40cm of current in fish pass by setting out water end (W.E.), the water flowed out from water side like this will form local " drop waterfall ", more be conducive to improving attracting effect.
Accompanying drawing explanation
Fig. 1 is the top view of one section of fish pass described in the utility model;
Fig. 2 is Fig. 1 lateral view;
Fig. 3 is the enlarged diagram of regional area A in Fig. 1;
Fig. 4 is the enlarged diagram of regional area B in Fig. 2;
Be labeled as in figure: the angle theta of fish pass 1, fish room 11, filling pipe 2, water inlet end 21, water side 22, side wall 3, base plate 4, partition wall 5, excessively fish seam 6, the excessively center line of fish seam and the center line of fish pass.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Figure 1 to Figure 4, fish pass described in the utility model is along journey moisturizing attracting system, comprise fish pass 1, also comprise many filling pipes 2, described many filling pipes 2 are arranged along the interval that flows to of fish pass 1, and every root filling pipe 2 comprises water inlet end 21 and water side 22, and described water inlet end 21 is communicated with fish pass 1 respectively with water side 22; The water inlet end 21 of every root filling pipe 2 flows to along fish pass the upstream that direction is positioned at its water side 22, and the water inlet end 21 of the every root filling pipe 2 of in the vertical direction is not less than its water side 22.
Wherein, the effect of every root filling pipe 2 is that the water inlet end 21 being positioned at upstream by it is intake, and is then being positioned at water side 22 water outlet in downstream, is forming corresponding moisturizing point with this; And many filling pipes 2 are set by flowing to interval, direction along fish pass, so both can flow on direction at fish pass and form multiple moisturizing point, realize along journey, all there is good attracting effect the whole of fish pass with this, guarantee that fish continue to trace back, until trace back successfully.And many filling pipes 2 are arranged along the interval that flows to of fish pass 1, specifically can refer to shown in Fig. 1 and Fig. 2, every root filling pipe 2 can arrange longer distance, and many filling pipes can overlap.
Under normal circumstances, require water inlet end 21 place at every root filling pipe 2, water inlet end 21 is lower than the liquid level of current in fish pass 1, and the water flow energy in such guarantee fish pass enters in filling pipe 2 smoothly.In addition, can at water side 22 place of every root filling pipe 2, water side 22 is higher than the liquid level of current in fish pass 1; And more than the liquid level 40cm that water end (W.E.) 22 exceeds current in fish pass 1 can be optimized further; The water flowed out from water side like this will form local " drop waterfall ", more be conducive to improving attracting effect.
Under normal circumstances, described fish pass 1 flows to along fish pass has certain gradient, and such guarantee fish can sequentially be traced back; In this case, described filling pipe 2 can be horizontally disposed with, specifically as shown in figs. 2 and 4, pass through the layout that filling pipe 2 flows to along fish pass like this, can be less than the height of water side 22 apart from base plate 4 apart from the height of base plate 4 by self-assembling formation water inlet end 21, and the difference in height of the two can follow up, the gradient of fish pass and the length of every root filling pipe 2 are determined.
In the utility model, fish pass 1 can adopt various forms, generally includes the side wall 3 of both sides and the base plate 4 of bottom; Described filling pipe 2 is embedded in the side wall 3 of wherein one or both sides.As shown in fig. 1, be that filling pipe 2 is embedded in the side wall 3 of both sides, and the filling pipe 2 of both sides also flow to along fish pass the setting that offsets one from another.
In addition, fish pass 1 also can arrange multiple partition wall 5, and fish pass 1 flows to along fish pass and is divided into multiple fish room 11 by described multiple partition wall 5; Each partition wall 5 was provided with fish seam 6.The effect of crossing fish seam 6 passes up in a upper fish room 11 for fish from a fish room 11, and such fish can obtain certain buffering and pause in each fish room 11; Improve the success rate that fish are traced back.And be that the fish that passed through making current smooth-going stitches 6, and make fish also smooth-goingly can pass through fish seam 6, the upstream extremity and downstream of crossing fish seam 6 all can be set to circular arc flow-guiding structure.And in order to offset by crossing the percussion of current after fish seam 6, can be 45 ° by the angle theta crossing the fish seam center line of 6 and the center line of fish pass 1 further; Concrete structure as shown in Figure 3.
Can fish be attracted to greatest extent to trace back to make the water flowed out from the water side 22 of filling pipe 2, when above-mentioned be provided with dividing plate 5 and cross fish seam 6, preferred further the water side 22 of filling pipe 2 to be communicated with fish pass 1 after one of them partition wall 5 passes, and water side 22 and mistake fish are stitched 6 corresponding; Such fish are subject to stitching luring of 6 moisturizings of flowing out from mistake fish, will stitch 6 places and move about, and then reach the effect traced back towards mistake fish.Certainly, the water inlet end 21 as filling pipe 2 does not require, usually only needs to be communicated with fish pass 1 after the inside wall of side wall 3 passes.
Below for hiding the concrete fish pass design example in wooden power station
Fish pass 1 flow design is 0.27m
3/ s ~ 0.74m
3/ s, total length 3621.338m, bottom board slope i=0.02, the long 3.0m in fish room 11 in fish pass 1, wide 2.4m, high 3.5m, cross fish and stitch 6 wide 0.3m, cross fish seam 6 and fish pass 1 centerlines 45 °, in order to make, current are smooth-going entered fish seam 6, and upstream extremity and the downstream of crossing fish seam 6 are all set to circular arc flow-guiding structure.Fish pass entirety and fish room 11 adopt reinforced concrete structure, the Concrete Thick 0.6m of side wall 3 and base plate 4, the thick 0.3m of dividing plate 5.Depth of water 1.0m ~ 2.7m in fish pass 1.
In fish pass 1 both sides side wall 3, be respectively furnished with the filling pipe 2 that diameter is 20cm, the water inlet end 21 of filling pipe 2 is fetched water in fish pass 1, water side 22 water outlet, and forms " drop waterfall " at water side place, lures that fish are traced back into.The long 67.5m of every root filling pipe 2, horizontal arrangement; The water inlet end 21 of filling pipe 2 is communicated with fish pass 1 after the inside wall of side wall 3 passes, and apart from fish pass base plate height 1.5m, its water side 22 is communicated with fish pass 1 after one of them partition wall 5 passes, and water side 22 is stitched 6 corresponding with mistake fish, and distance fish pass base plate height 2.85m.
The fish pass system in wood power station, above-mentioned Tibetan is tested, obtains data as shown in Table 1 below:
Table 1 water inlet end head and filling pipe head loss, filling pipe water side are apart from water surface elevation
Can find out that the discharge that filling pipe is quoted in fish pass 1 is less relative to the discharge of fish pass 1 entirety from the fish pass system in wood power station, above-mentioned Tibetan, therefore not affect fish pass and cross fish.And filling pipe 2 inherently takes from the water in fish pass, therefore very little along the fluctuation of the discharge of journey along fish pass in fish pass 1, substantially can not trace back fish and impact.
In addition, need to illustrate usually in identical water inlet end head situation, by increasing the diameter of filling pipe 2, the flow of filling pipe 2 can be increased, and reduce filling pipe head loss, and then improve attracting effect.Certainly, different filling pipe diameters can be selected according to the thickness of fish pass side wall 3 and fish pass flow in corresponding Practical Project.
To sum up, technical scheme described in the utility model, does not lose water amount of power generating, do not adopt moisturizing of drawing water, only utilize fish pass its own traffic, by upwards forming multiple moisturizing point at fish pass along Cheng Fang, can lure that fish continue to trace back in fish pass into, improve fish and trace back success rate; Additionally by more than the liquid level 40cm arranging corresponding water side 22 and exceed current in fish pass 1, " drop waterfall " can be formed at water side 22 place, make attracting effect better.
Claims (9)
1. fish pass is along journey moisturizing attracting system, comprise fish pass (1), it is characterized in that: also comprise many filling pipes (2), described many filling pipes (2) are arranged along the interval that flows to of fish pass (1), and every root filling pipe (2) comprises water inlet end (21) and water side (22), and described water inlet end (21) is communicated with fish pass (1) respectively with water side (22); The water inlet end (21) of every root filling pipe (2) flows to along fish pass the upstream that direction is positioned at its water side (22), and the water inlet end (21) of the every root filling pipe (2) of in the vertical direction is not less than its water side (22).
2. fish pass as claimed in claim 1 is along journey moisturizing attracting system, it is characterized in that: at water inlet end (21) place of every root filling pipe (2), water inlet end (21) is lower than the liquid level of fish pass (1) interior current, and at water side (22) place of every root filling pipe (2), water side (22) are higher than the liquid level of fish pass (1) interior current.
3. fish pass as claimed in claim 2 is along journey moisturizing attracting system, it is characterized in that: at water side (22) place of every root filling pipe (2), water side (22) exceed more than the liquid level 40cm of fish pass (1) interior current.
4. fish pass as claimed in claim 1 is along journey moisturizing attracting system, it is characterized in that: described fish pass (1) flows to along fish pass has certain gradient, and described filling pipe (2) is horizontally disposed with.
5. the fish pass according to any one of Claims 1-4, along journey moisturizing attracting system, is characterized in that: described fish pass (1) comprises the side wall (3) of both sides and the base plate (4) of bottom; Described filling pipe (2) is embedded in the side wall (3) of wherein one or both sides.
6. fish pass as claimed in claim 5 is along journey moisturizing attracting system, it is characterized in that: described fish pass (1) also comprises multiple partition wall (5), fish pass (1) flows to along fish pass and is divided into multiple fish room (11) by described multiple partition wall (5); Each partition wall (5) was provided with fish seam (6).
7. fish pass as claimed in claim 6 is along journey moisturizing attracting system, it is characterized in that: the described angle theta crossing the fish seam center line of (6) and the center line of fish pass (1) is 45 °.
8. fish pass as claimed in claim 6 is along journey moisturizing attracting system, it is characterized in that: the water inlet end (21) of filling pipe (2) is communicated with fish pass (1) after the inside wall of side wall (3) passes; The water side (22) of filling pipe (2) is communicated with fish pass (1) after one of them partition wall (5) passes, and water side (22) and mistake fish stitch (6) corresponding.
9. fish pass as claimed in claim 6 is along journey moisturizing attracting system, it is characterized in that: upstream extremity and the downstream of crossing fish seam (6) are all set to circular arc flow-guiding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908114.6U CN205152915U (en) | 2015-11-13 | 2015-11-13 | Journey moisturizing attracting system is followed to fishway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908114.6U CN205152915U (en) | 2015-11-13 | 2015-11-13 | Journey moisturizing attracting system is followed to fishway |
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| CN205152915U true CN205152915U (en) | 2016-04-13 |
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| CN201520908114.6U Active CN205152915U (en) | 2015-11-13 | 2015-11-13 | Journey moisturizing attracting system is followed to fishway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386427A (en) * | 2015-11-13 | 2016-03-09 | 中国电建集团成都勘测设计研究院有限公司 | Fishway water supplementing and fish luring system |
| CN109452235A (en) * | 2018-12-06 | 2019-03-12 | 中国电建集团昆明勘测设计研究院有限公司 | The method that flow velocity is fished in attracting channel is caught in control |
-
2015
- 2015-11-13 CN CN201520908114.6U patent/CN205152915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386427A (en) * | 2015-11-13 | 2016-03-09 | 中国电建集团成都勘测设计研究院有限公司 | Fishway water supplementing and fish luring system |
| CN109452235A (en) * | 2018-12-06 | 2019-03-12 | 中国电建集团昆明勘测设计研究院有限公司 | The method that flow velocity is fished in attracting channel is caught in control |
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