CN104099910A - Fishway with automatically-lifting water level - Google Patents
Fishway with automatically-lifting water level Download PDFInfo
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- CN104099910A CN104099910A CN201410309177.XA CN201410309177A CN104099910A CN 104099910 A CN104099910 A CN 104099910A CN 201410309177 A CN201410309177 A CN 201410309177A CN 104099910 A CN104099910 A CN 104099910A
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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
Abstract
A fishway with automatically-lifting water level comprises three stages of fish chambers in ladder-like arrangement, wherein the inner side of a water inlet wall of the first stage of fish chamber is provided with a first siphon communicated with the outer part, the outer side of a water outlet wall of the first stage of fish chamber is provided with a second siphon, the second stage of fish chamber is communicated with a second communicating vessel, a second twisting type opening-closing door is matched with a second fish-passing gate opening, a water outlet wall of the second stage of fish chamber is provided with a third fish-passing gate opening, a turning plate gate is mounted on a fish outlet formed in the lower part of a water outlet wall of the third stage of fish chamber, and the height of the upper end of the first stage of fish chamber is greater than that of the upper end of the third stage of fish chamber. The fishway with the automatically-lifting water level can be used for solving the problems of the existing fishways, is smaller in length, convenient to arrange, suitable for different terrain and geology conditions, and well adaptive to the waterhead size change of the upstream and the downstream of a reservoir and the water level change of the reservoir; the water level automatically lifts, labor needed during passing of fish is saved, and fish in different sizes can pass; the whole fishway can automatically run without additional power, and energy is saved.
Description
Technical field
The present invention relates to a kind of fish pass being applicable in hydraulic engineering, especially a kind of automatic water level lifting type fish pass of fish migration problem of the high water head multi-purpose project that is applicable to solve various orographic conditions.
Background technology
On natural river course, barrage is built a dam, and develops water resource, benefits the people, also can serve negative effect to ecological environment band simultaneously, wherein for fish, is mainly the migration passage of having blocked fish, destroys spawning ground and reduces fishery resources amount.This needs the migration or half migration fishes that move destructive often on a large scale to completing in life historical process.The construction of water resources dam will certainly affect the contact of upstream and downstream biology, and some biology is not accessed its required habitat, accumulates over a long period and may cause this habitat extinction, and whole watershed ecosystem also can be had a strong impact on.And the construction of fish pass can maintain the contact after dam counter-dam, to protecting biological habitat to there is certain value, so the design of carrying out fish pass has great importance.
China has successively built many fish pass, and for various reasons, the utilization rate of fish pass is generally not high.The principal mode of fish pass has at present: diaphragm plate type fish pass; Ecosystem formula fish pass; Slot type fish pass.Mostly there is following problem in the fish pass of these forms: first, the length of fish pass is longer, gradient is larger, fish is current in fish pass need expend more muscle power, cause current rate not high, meanwhile, fish pass build having relatively high expectations to surrounding terrain, be subject to the impact of different landform and the factors such as hydraulic structure around, often make the layout of fish pass comparatively difficult; The second, fish pass elevation position is relatively fixing, and reservoir level is changed to bad adaptability.During low water stage, fish pass can face dry danger, and during high water level, fish pass flow velocity is large, to fish, traces back and brings larger difficulty; The 3rd, it is larger that the water yield is quoted in fish pass operation, and water resource waste is serious; Finally, fish pass local velocity is larger, the slow fish migration of inadaptable trip speed.The bend place of fish pass easily occurs that flow velocity is excessive or flow-shape is disorderly fish migration is impacted, and the operation of fish pass is produced to harmful effect.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automatic water level lifting type fish pass, can solve the problem of existing fish pass, and length is shorter, is convenient to arrange, is applicable to different topographic and geologic conditions; Variation compliance to reservoir upstream and downstream head size and reservoir level is good; The automatic lifting of water level, required muscle power when saving fish is current, the fish that is suitable for varying in size passes through; Whole fish pass can move automatically, without extra power, saves the energy.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of automatic water level lifting type fish pass, and it comprises three grades of fish chambers of stepped setting,
The water inlet of first order fish chamber within the walls side is provided with the first syphon being communicated with outside, the first linker is communicated with first order fish chamber, in the first linker, be placed with the first floating drum being connected with the first pull bar of the first strand formula open and close door, the water inlet wall bottom of first order fish chamber offers the first mistake fish lock hole of matching with the first strand formula open and close door, the waterwall outside of going out of first order fish chamber is provided with the second syphon, and the going out of first order fish chamber offers second on waterwall and cross fish lock hole;
Fish chamber, the second level is communicated with the second linker, the waterwall outside that goes out of fish chamber, the second level is provided with the 3rd syphon, in the second linker, be placed with the second floating drum being connected with the second pull bar of the second strand formula open and close door, the second strand formula open and close door and second is crossed fish lock hole and is matched, and the going out of fish chamber, the second level offers the 3rd fish lock hole excessively on waterwall;
Third level fish chamber is communicated with third connecting device, is placed with the 3rd floating drum being connected with the 3rd pull bar of the 3rd strand formula open and close door in third connecting device, and the 3rd strand formula open and close door and the 3rd is crossed fish lock hole and matched; Going out on the fish hole of offering waterwall bottom of third level fish chamber is provided with flap gate;
Upper end, first order fish chamber height is higher than upper end, third level fish chamber height; On the first floating drum, the second floating drum and the 3rd floating drum bottom, have inlet opening.
The first linker was communicated with first order fish chamber by the first communicating pipe.
The second linker was communicated with fish chamber, the second level by the second communicating pipe.
Third connecting device is communicated with third level fish chamber by third connecting pipe.
Flap gate is magnetic turn-over gate.
Automatic water level lifting type fish pass provided by the invention, take ship lock operation logic as basic engineering, by realizing upper and lower two-stage fish chamber water level, maintains an equal level, and fish is able to current smoothly.Automatic water level lifting type fish pass mainly adopts syphon and fish pass, to the chamber water delivery of lower swimming fish, to utilize the lifting of the indoor water level of fish, drives buoy lifting to control the keying of fish chamber fish pass gate.Afterbody fish chamber gate adopts magnetic turn-over door, by SEA LEVEL VARIATION, automatically controls its switch.
Its beneficial effect is as follows:
1, multistage fish chamber is ladder-like arranged, variation by the indoor water level of fish meets the bypass the dam site target of migration of fish, the length of fish pass is shorter, being convenient to fish pass arranges, the high water head key water control project of applicable various orographic conditions, because rest area in fish chamber is larger, save the current required muscle power of fish, the current rate of fish pass is improved simultaneously.
2, utilize syphon principle and cross fish lock hole and realize the water level automatic horizontal of fishes at different levels chamber, principle is simple, reliable, and good to the variation compliance of reservoir level.
3, utilize the method for water buoyancy to realize the automatic open and close of afterbody fish chamber fish pass gate, reach whole fish pass and automatically move, meet the requirement of fish migration, equipment is simple, without extra power, and saving resource.
If 4 key water control project water levels of upstream and downstream are poor when larger, can design more than 3 grades of above fish chambers.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is three-dimensional structure diagram of the present invention;
Fig. 2 is three-dimensional cutaway view of the present invention;
Fig. 3 is top view of the present invention;
Fig. 4 is that the A-A of Fig. 3 of the present invention is to sectional view;
Fig. 5 is that the A-A of Fig. 3 of the present invention the first fish chamber while being full of water is to sectional view;
Fig. 6 is that the A-A of Fig. 3 of the present invention the second fish chamber while being full of water is to sectional view;
Fig. 7 is that the A-A of Fig. 3 of the present invention the 3rd fish chamber while being full of water is to sectional view.
The specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of automatic water level lifting type fish pass, it comprises three grades of fish chambers of stepped setting,
Water inlet wall 2 inner sides of first order fish chamber 1 are provided with the first syphon 3 being communicated with outside, the first linker 4 is communicated with first order fish chamber 1, in the first linker 4, be placed with the first floating drum 8 being connected with the first pull bar 7 of the first strand formula open and close door 6, water inlet wall 2 bottoms of first order fish chamber 1 offer the first mistake fish lock hole 9 of matching with the first strand formula open and close door 6, waterwall 10 outsides that go out of first order fish chamber 1 are provided with the second syphon 11, and fish lock hole 15 is crossed by the going out to offer second on waterwall 26 of first order fish chamber 1;
Fish chamber, the second level 12 is communicated with the second linker 13, waterwall 24 outsides that go out of fish chamber, the second level 12 are provided with the 3rd syphon 26, in the second linker 13, be placed with the second floating drum 18 being connected with the second pull bar 17 of the second strand formula open and close door 16, the second strand formula open and close door 16 and second is crossed fish lock hole 15 and is matched, and the going out of fish chamber, the second level 12 offers the 3rd fish lock hole 25 excessively on waterwall 24;
Third level fish chamber 19 is communicated with third connecting device 20, is placed with the 3rd floating drum 23, the three strand formula open and close doors 21 and the 3rd that are connected with the 3rd pull bar 22 of the 3rd strand formula open and close door 21 and excessively matches in fish lock hole 25 in third connecting device 20; Going out on the fish hole 28 of offering waterwall 27 bottoms of third level fish chamber 19 is provided with flap gate 29;
First order fish chamber 1 upper end height is higher than third level fish chamber 19 upper end height; On the first floating drum 8, the second floating drum 18 and the 3rd floating drum 23 bottoms, have inlet opening.
The first linker 4 is by being communicated with first order fish chamber 1 the first communicating pipe 5.
The second linker 13 is by being communicated with fish chamber, the second level 12 the second communicating pipe 14.
Third connecting device 20 is communicated with third level fish chamber 19 by third connecting pipe 30.
Flap gate 29 is magnetic turn-over gate.
First order fish chamber 1 upper pond level elevation 55m, downstream river course water level elevation 10m, the poor 45m of whole fish pass water levels of upstream and downstream, arranges three grades of fish chambers altogether, the long 30m in single-stage fish chamber, wide 20m; It is high 4m that each of upper and lower swimming fish chamber crossed fish lock hole, the isosceles triangle of wide 3m.Every grade of fish chamber level of dead water is 10m, and changing stage is 15m.
First order fish chamber 1 floor elevation is 30m, level of dead water 40m.Fish chamber, the second level 12 floor elevations are 15m, level of dead water 25m.Third level fish chamber 19 floor elevations are 0m, level of dead water 10m.
The course of work of the present invention is as follows:
As shown in Figure 4, when needs are crossed fish, open the first syphon 3 switches, the first syphon 3 starts by reservoir to first order fish chamber 1 water-filling, first order fish chamber 1 water level rises gradually, the first linker 4 being communicated with first order fish chamber 1 is that the water level in sleeve also rises gradually simultaneously, the first floating drum 8 in the first linker 4 starts to produce buoyancy, when buoyancy increases to a certain degree, the first strand formula open and close door 6 virtue of buoyancy mechanisms that fish lock hole 9 is crossed in 1 upstream first, first order fish chamber open gradually, the water body of first order fish chamber 1 and upper pond is realized intercommunication, fish in reservoir and first order fish chamber 1 can pass through mutually, simultaneously owing to having inlet opening on the first floating drum 8 bottoms, in the process rising at the first floating drum 8, inlet opening, bottom starts water-filling, after the first floating drum 8 filled water amount acquire a certain degree, when the buoyancy that the first floating drum 8 produces is not enough to support the weight of the first strand formula open and close door 6, the first floating drum 8 declines gradually, and the first strand formula open and close door 6 is closed gradually.The first strand formula open and close door 6 that first order upstream side is crossed fish lock hole 9 open after to before closing during this period of time for it's the fish period is past fish pass.After the first strand formula open and close door 6 that first order fish chamber upstream side is crossed fish lock hole 9 is closed, first order fish chamber 1 water level also reaches the peak level of first order fish chamber 1, and the first syphon 3 simultaneously causing between first order fish chamber 1 to fish chamber, the second level starts to fish chamber, the second level 12 water-fillings.
As shown in Figure 5, the detailed running in second level fish chamber 12 is identical with the detailed running in first order fish chamber 1.
As shown in Figure 6 and Figure 7, when fish chamber, the second level 12 is passed through the 3rd syphon 26 from trend third level fish chamber 19 water-filling, third level fish chamber 19 water levels rise gradually, when the water pressure producing is greater than magnet to the attraction of fish pass flap gate 29 and gate deadweight, flap gate 29 is opened and draining downstream gradually, 19Yu downstream, third level fish chamber water body is communicated with, third level fish chamber 19 can start to pass through mutually with the fish of downstream river course, the water level of third level fish chamber 19 declines while maintaining an equal level with the level of tail water gradually, the left and right differential water pressures of flap gate 29 also reduces gradually, effect due to magnetic force and gravity, flap gate 29 cuts out gradually automatically.Flap gate 29 is opened into dwell period and is the fish stage excessively between third level fish chamber 19 and downstream river course.
If key water control project water levels of upstream and downstream is poor when larger, can design more than 3 grades of above fish chambers,, wherein in the middle of the detailed running of fishes at different levels chamber identical with the detailed running in aforementioned first order fish chamber.
Claims (5)
1. an automatic water level lifting type fish pass, is characterized in that: it comprises three grades of fish chambers of stepped setting,
Water inlet wall (2) inner side of first order fish chamber (1) is provided with the first syphon (3) being communicated with outside, the first linker (4) is communicated with first order fish chamber (1), in the first linker (4), be placed with the first floating drum (8) being connected with first pull bar (7) of the first strand formula open and close door (6), water inlet wall (2) bottom of first order fish chamber (1) offers the first mistake fish lock hole (9) of matching with the first strand formula open and close door (6), waterwall (10) outside that goes out of first order fish chamber (1) is provided with the second syphon (11), fish lock hole (15) is crossed by the going out to offer second on waterwall (10) of first order fish chamber (1),
Fish chamber, the second level (12) is communicated with the second linker (13), waterwall (24) outside that goes out of fish chamber, the second level (12) is provided with the 3rd syphon (26), in the second linker (13), be placed with the second floating drum (18) being connected with second pull bar (17) of the second strand formula open and close door (16), the second strand formula open and close door (16) and second is crossed fish lock hole (15) and is matched, and the going out of fish chamber, the second level (12) offers the 3rd fish lock hole (25) excessively on waterwall (24);
Third level fish chamber (19) is communicated with third connecting device (20), in third connecting device (20), be placed with the 3rd floating drum (23) being connected with the 3rd pull bar (22) of the 3rd strand formula open and close door (21), the 3rd strand formula open and close door (21) and the 3rd is crossed fish lock hole (25) and is matched; Going out on the fish hole (28) of offering waterwall (27) bottom of third level fish chamber (19) is provided with flap gate (29);
Upper end, first order fish chamber (1) height is higher than upper end, third level fish chamber (19) height; On the first floating drum (8), the second floating drum (18) and the 3rd floating drum (23) bottom, have inlet opening.
2. automatic water level lifting type fish pass according to claim 1, is characterized in that: the first linker
(4) by being communicated with first order fish chamber (1) the first communicating pipe (5).
3. automatic water level lifting type fish pass according to claim 1, is characterized in that: the second linker
(13) by being communicated with fish chamber, the second level (12) the second communicating pipe (14).
4. automatic water level lifting type fish pass according to claim 1, is characterized in that: third connecting device
(20) by third connecting pipe (30), be communicated with third level fish chamber (19).
5. automatic water level lifting type fish pass according to claim 1, is characterized in that: flap gate (29) is magnetic turn-over gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309177.XA CN104099910B (en) | 2014-07-02 | 2014-07-02 | Automatic water level lifting type fish pass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309177.XA CN104099910B (en) | 2014-07-02 | 2014-07-02 | Automatic water level lifting type fish pass |
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| Publication Number | Publication Date |
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| CN104099910A true CN104099910A (en) | 2014-10-15 |
| CN104099910B CN104099910B (en) | 2016-04-06 |
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| CN201410309177.XA Active CN104099910B (en) | 2014-07-02 | 2014-07-02 | Automatic water level lifting type fish pass |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544477A (en) * | 2015-11-26 | 2016-05-04 | 河海大学 | Double-direction overflow water retaining valve with fish passing device |
| CN106522177A (en) * | 2016-11-18 | 2017-03-22 | 中国电建集团成都勘测设计研究院有限公司 | Fishway system arranged inside water retaining dam |
| CN106592541A (en) * | 2016-11-18 | 2017-04-26 | 中国电建集团成都勘测设计研究院有限公司 | Fish way system for project with larger upstream water level amplitude |
| CN107700441A (en) * | 2017-11-21 | 2018-02-16 | 中国电建集团成都勘测设计研究院有限公司 | Compound fish channel structure on Narrow Valleys landform dam |
| CN107916650A (en) * | 2017-12-31 | 2018-04-17 | 华北水利水电大学 | Step babinet ecological fishway system |
| CN108951576A (en) * | 2018-07-18 | 2018-12-07 | 佛山市宝粤美科技有限公司 | Windproof Auto-drainage flood discharge planting unit |
| CN109371932A (en) * | 2018-11-30 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Waterpower vertical shaft type crosses fish structure |
| CN110042809A (en) * | 2018-01-13 | 2019-07-23 | 郭骏 | A kind of biological migration facility of classification and its operation method |
| CN110044453A (en) * | 2019-05-07 | 2019-07-23 | 武汉市六顺标准衡器有限公司 | Multiple-protection weighing electronic vehicle weighing apparatus |
| CN112982331A (en) * | 2021-03-02 | 2021-06-18 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | Fishway system with adjustable |
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| CN202039331U (en) * | 2011-04-07 | 2011-11-16 | 中国水电顾问集团华东勘测设计研究院 | Hydraulic automatic curtain type adjusting weir for fish guiding box in hydropower station |
| KR20120002903A (en) * | 2010-07-01 | 2012-01-09 | 조을제 | Fishway elevator |
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| JPH11200350A (en) * | 1998-01-06 | 1999-07-27 | Hokoku Kogyo Co Ltd | Automatic fish way gate |
| KR20060088979A (en) * | 2005-02-03 | 2006-08-08 | 홍재욱 | The fish way using automatic floodgate unnecessary of supplying of power |
| CN101638889A (en) * | 2008-12-17 | 2010-02-03 | 中国水产科学研究院黄海水产研究所 | Step-type fish passage facilities suitable for steep slope of high dam and control method |
| KR20090038402A (en) * | 2009-03-16 | 2009-04-20 | 김태완 | Fish way water maintain volume or water speed slow down intermittent move open close installation siphon fish way and installation method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544477B (en) * | 2015-11-26 | 2017-07-18 | 河海大学 | A kind of bidirectional flooding retaining box for being provided with fish device |
| CN105544477A (en) * | 2015-11-26 | 2016-05-04 | 河海大学 | Double-direction overflow water retaining valve with fish passing device |
| CN106522177B (en) * | 2016-11-18 | 2018-10-12 | 中国电建集团成都勘测设计研究院有限公司 | The fish pass system being arranged in checkdam |
| CN106592541A (en) * | 2016-11-18 | 2017-04-26 | 中国电建集团成都勘测设计研究院有限公司 | Fish way system for project with larger upstream water level amplitude |
| CN106522177A (en) * | 2016-11-18 | 2017-03-22 | 中国电建集团成都勘测设计研究院有限公司 | Fishway system arranged inside water retaining dam |
| CN106592541B (en) * | 2016-11-18 | 2018-11-13 | 中国电建集团成都勘测设计研究院有限公司 | Fish pass system of the upstream water level luffing compared with large-engineering |
| CN107700441A (en) * | 2017-11-21 | 2018-02-16 | 中国电建集团成都勘测设计研究院有限公司 | Compound fish channel structure on Narrow Valleys landform dam |
| CN107916650A (en) * | 2017-12-31 | 2018-04-17 | 华北水利水电大学 | Step babinet ecological fishway system |
| CN107916650B (en) * | 2017-12-31 | 2023-11-17 | 华北水利水电大学 | Ecological fishway system of step box |
| CN110042809A (en) * | 2018-01-13 | 2019-07-23 | 郭骏 | A kind of biological migration facility of classification and its operation method |
| CN108951576A (en) * | 2018-07-18 | 2018-12-07 | 佛山市宝粤美科技有限公司 | Windproof Auto-drainage flood discharge planting unit |
| CN109371932A (en) * | 2018-11-30 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Waterpower vertical shaft type crosses fish structure |
| CN109371932B (en) * | 2018-11-30 | 2024-02-13 | 中国电建集团成都勘测设计研究院有限公司 | Hydraulic shaft type fish passing structure |
| CN110044453A (en) * | 2019-05-07 | 2019-07-23 | 武汉市六顺标准衡器有限公司 | Multiple-protection weighing electronic vehicle weighing apparatus |
| CN112982331A (en) * | 2021-03-02 | 2021-06-18 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | Fishway system with adjustable |
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