CN205329624U - Fishway experimental apparatus - Google Patents
Fishway experimental apparatus Download PDFInfo
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- CN205329624U CN205329624U CN201620062369.XU CN201620062369U CN205329624U CN 205329624 U CN205329624 U CN 205329624U CN 201620062369 U CN201620062369 U CN 201620062369U CN 205329624 U CN205329624 U CN 205329624U
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Abstract
The utility model discloses a fishway experimental apparatus, it includes the baffle -box, is equipped with the bottom outlet on the baffle -box, be linked together through the pipeline between baffle -box and the pond, the inside water pump that is provided with in pond, the water pump links to each other with the pipeline, is provided with the inlet channel under the bottom outlet of baffle -box, and the inlet channel links to each other with annular ditch, and the end of annular ditch is provided with the sharp -crested weir, is provided with the plenum chamber behind the sharp -crested weir, is provided with the fishway water inlet on the lateral wall of plenum chamber, and the afterbody of fishway is provided with the fishway delivery port, and the fishway delivery port is linked together through fish adaptation room and pond. The device not only can consider in addition that the floater gets into the fishway, influenced the problem of fish efficiency for the actual engineering construction of fishway provides the reference, in addition, the not only easy access of this experimental apparatus, the fishway structure is nimble variable moreover, and flow, the slope are adjustable, can study under the different work condition hydraulic characteristic(s) in the fishway and cross the fish effect, can also cooperate the use of using camera device under water in order to survey fish go upward orbit and time.
Description
Technical field
This utility model relates to the ecological fishway design of a kind of optimization, and can carry out the researchs such as fish migration experiment, hydraulic characteristic(s) experiment, attracting experiment, is particularly well-suited to the fish pass experimental provision of a kind of canal development。
Background technology
External in fish pass experimentation and Practical Project are used achieved with rich experience; particularly the U.S. had started to build fish pass in 20 beginnings of the century; and built, in the fifties, the fish pass that head is the highest in the world, protect for fish migration after hydraulic engineering construction and river ecological and provide safeguard。The ground such as current Xinjiang of China, Tibet are after hydraulic engineering construction, by the fish pass Construction Practice experience of learning overseas, attempt having built the fish pass structures such as fish pass, but due to the fish species difference in the geographical difference of China and river, cause fish weak effect；And owing to the environmental consciousness of people is not high, cause that the floating thing in river is too much, it is easy to and blocking fish pass, affected fish effect。
In order to build meet China's region characteristic and meet different fish species demands cross fish passage, the research worker of China has done more experiment in fish pass research, and particularly hydraulic experiment, attracting experiment and fish pass cross fish experiment。And the final purpose tested is that experimental data and experimental model are applied to Practical Project, but the current fish pass experimental provision about imitative nature fish pass water inlet state and the fish pass design preventing fish pass from blocking are comparatively rare, and the track that the measuring point of hydraulic characteristic(s) experiment and Fish can accurately not trace back experiment connects accurately, so not ideal when test data is applied to Practical Project。As China Patent Publication No. does not consider to arrange trash rack for the 102176295A multistage bank groove vertical seam type fish channel experimental provision that falls designed, when be there is blocking by this in the fish pass caused in Practical Project, hydraulic characteristic(s) in fish pass changes, and crossing fish efficiency can be severely impacted。And when the design of some fish pass (such as China Patent Publication No. 103437333A) and construction, do not consider the Burden-Swimming Ability of KM of Fish and physical situation, also can affect operational effect。Further, since the restriction of manpower and materials, the current Numerical Experiment in fish pass is more, and credibility is relatively low。
Utility model content
The purpose of this utility model is for existing fish pass experimental provision Problems existing, design a kind of floating thing that is prevented from enter fish pass and do not affect the fish pass that Fish are traced back, and the fish pass water inlet in this utility model experimental provision simulating nature river, water resource can be recycled, can be suitable for the fish pass hydraulic characteristic(s) under various working, fish pass crosses fish experiment, and can by up for the Fish track a kind of fish pass experimental provision with the hydraulic characteristic(s) experiment accurate match in fish pass and operation method thereof。This experimental provision is possible not only to provide reference into fish pass Practical Project construction, and considers floating thing and enter fish pass, the problem affecting fish efficiency；In addition, this experimental provision is not only convenient for overhauling, and fish channel structure flexibility and changeability, flow, gradient scalable, can the hydraulic characteristic(s) in fish pass and cross fish effect under the different operating mode of research, moreover it is possible to the use of the use of underwater camera device to observe the up track of Fish and time。
For solving above-mentioned technical problem, this utility model patent be the technical scheme is that a kind of fish pass experimental provision, and it includes baffle-box, and baffle-box is provided with bottom outlet；Being connected by pipeline between baffle-box and pond, pond is internally provided with water pump, and water pump is connected with pipeline, and the power line of described water pump is connected with manual switch；It is provided with flume immediately below the bottom outlet of baffle-box, flume is connected with annular water channel, the end of annular water channel is provided with sharp-crested weir, is provided with plenum chamber after sharp-crested weir, and plenum chamber is internally provided with current stabilization wall, the sidewall of plenum chamber is provided with fish pass water inlet, fish pass water inlet fish pass is connected, and the both sides of fish pass are provided above track, and the side of fish pass is provided with underwater camera device, the afterbody of fish pass is provided with fish pass outlet, and fish pass outlet adapts to room by Fish and is connected with pond。
Described fish pass inner bottom surface arranges a fish pass dividing plate every 1.2m, dividing plate adopts and removably connects, the upstream position of fish pass is provided with a fish screen, is covered with the coordinate grid that white square plate brick is paved into bottom fish pass, and the specification of described coordinate grid is 100cm × 100cm × 1cm；Being provided with scale on described track, scale keeps consistent with the scale of coordinate grid。
Described fish pass water inlet is provided with trash rack, and the side of fish pass water inlet is provided with Fish lobby, and the fish pass water inlet of side, Fish lobby is provided with gate, is provided with fish-baiting instrument on gate。
Described Fish adapt to indoor and are provided with two No. two fish screens。
Described sharp-crested weir is that wood materials is made, and the side at sharp-crested weir is provided with side arm, and side arm can regulate the height of sharp-crested weir, and maximum operation of sharp-crested weir is highly 0.5m, is provided with 10 gears, and every grade is 0.05m。
Described fish pass is in tilted layout installation, and its low side passes through ground supports, high-end is supported by scalable buttress；Described fish pass adopts clear perspex material to make。
The metope of described flume is the xoncrete structure that roughness is bigger。
Described current stabilization wall is built by the staggered base of Rhizoma Begoniae Willsonii and cement mortar, and current stabilization wall is brick hole cross structure, and the closure of class brick water-tight models can be used in described brick hole。
Described water pump has three kinds of different models, and a pump capacity is 0.2m3/ s, No. two pump capacities are 0.3m3/ s, No. three pump capacities are 0.5m3/s。
This utility model has the advantages that:
1, this utility model experimental provision can carry out energy dissipating by flume, annular water channel, plenum chamber, utilizes current stabilization wall energy dissipating smooth water flow to make the flow condition of fish pass water inlet try one's best similar to Practical Project simultaneously, makes experiment more have realistic meaning；Additionally, this experimental provision can recycle water resource, it it is an ecological experiment device。
2, this utility model experimental provision passes through water pump, sharp-crested weir, current stabilization wall co-controlling flow, it is possible to quick control empirical flow, thus saving plenty of time and electricity。
3, this utility model experimental provision considers to increase trash rack before fish pass water inlet, lobby and gate and fish-baiting instrument are set by it, ensure that fish pass is nonclogging promotes the Fish can be up smoothly simultaneously, it is able to verify that the effect of existing attracting technology in an experiment, and is easy to recovery test fish；Can changing Fish lobby into fishway exit in Practical Project, after solving current domestic fish pass construction, blocking causes the problem that fish pass is not normally functioning。
4, this utility model experimental provision arranges the coordinate grid being paved into reference white check board brick bottom fish pass, coordinates the use of underwater camera device, it is possible to is accurately positioned the up track of Fish and determines upstream time；And in hydraulic characteristic(s) is tested, the measurement position of reference coordinates lattice location current meter, it is possible to make the flow velocity of each point in the up track of Fish and fish pass mate, make hydraulic characteristic(s) experiment according to being of practical significance。
5, experimental provision of the present utility model can carry out the up experiment of Fish and attracting experiment in fish pass simultaneously, it is possible to draw the experimental data of complete set, and the fish-baiting instrument of fish pass water inlet is able to verify that the effectiveness of fish pass outlet attracting measure。
6, conveniently, material is easy to get, relative inexpensiveness, and non-specialized-technical workmen can meet requirement for this utility model experimental provision construction, maintenance。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail。
Fig. 1 is the front view of a kind of fish pass experimental provision and operation method thereof。
Fig. 2 is the top view of a kind of fish pass experimental provision and operation method thereof。
Fig. 3 is the overall construction drawing of a kind of fish pass experimental provision and operation method thereof。
Fig. 4 is the fish channel structure figure of a kind of fish pass experimental provision and operation method thereof。
Fig. 5 is the current stabilization wall plane graph of a kind of fish pass experimental provision and operation method thereof。
Fig. 6 is fish pass water inlet 7 and the auxiliary equipment structure chart of a kind of fish pass experimental provision and operation method thereof。
In figure: 1, baffle-box；2, flume；3, annular water channel；4, sharp-crested weir；5, plenum chamber；6, current stabilization wall；7, fish pass water inlet；8, fish pass；9, scalable buttress；10, fish pass dividing plate；11, fish pass outlet；12, Fish adapt to room；13, pond；14, water pump；15, water pipe；16, manual switch；17, side arm；18, trash rack；19, Fish lobby；20, gate；21-1, a fish screen；21-2, No. two fish screens；22, fish-baiting instrument；23, brick hole；24, track；25, coordinate grid；26, track；27, bottom outlet。
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further。
As shown in figures 1 to 6, a kind of fish pass experimental provision, it includes baffle-box 1, and baffle-box 1 is provided with bottom outlet 27；Being connected by pipeline 15 between baffle-box 1 and pond 13, pond 13 is internally provided with water pump 14, and water pump 14 is connected with pipeline 15, and the power line of described water pump 14 is connected with manual switch 16；It is provided with flume 2 immediately below the bottom outlet 27 of baffle-box 1, flume 2 is connected with annular water channel 3, the end of annular water channel 3 is provided with sharp-crested weir 4; be provided with plenum chamber 5 after sharp-crested weir 4; plenum chamber 5 is internally provided with current stabilization wall 6; be provided with fish pass water inlet 7 on the sidewall of plenum chamber 5; fish pass water inlet 7 fish pass 8 is connected; the both sides of fish pass 8 are provided above track 24; side of fish pass 8 is provided with underwater camera device 26; afterbody of fish pass 8 is provided with fish pass outlet 11, and fish pass outlet 11 adapts to room 12 by Fish and is connected with pond 13。
Further, described water pump 14 is connected with baffle-box 1 by water pipe 15, after current are caused flume 2 by baffle-box 1, sequentially enters annular water channel 3, sharp-crested weir 4, plenum chamber 5, fish channel structure, finally flows into pond 13, it is achieved recycling of current。
Further, utilize flume 2, annular water channel 3 and current stabilization wall 6 to carry out energy dissipating, make current and the flow similarity under natural endowment of entrance fish channel structure。
Further, control flow by water pump 14, regulate flow by sharp-crested weir 4, current stabilization wall 6, it is possible to quick control empirical flow, and save electricity, save cost。
Further, described baffle-box 1 is circular bucket, can the water that water pump 14 extracts effectively be cushioned by baffle-box 1, it is prevented that its excessive impact energy。
Further, described fish pass 8 inner bottom surface arranges a fish pass dividing plate 10 every 1.2m, dividing plate 10 adopts and removably connects, the upstream position of fish pass 8 is provided with a fish screen 21-1, being covered with the coordinate grid 25 that white square plate brick is paved into bottom fish pass 8, the specification of described coordinate grid 25 is 100cm × 100cm × 1cm；Being provided with scale on described track 24, scale keeps consistent with the scale of coordinate grid 25。
Further, the multi-stop track of Fish can be recorded easily by coordinate grid 25, consequently facilitating follow-up further research。
Further, the movement of Flow speed measurer can be facilitated by being provided with scale on the tracks 24, and measurement point position can be accurately positioned。
Further, described fish pass water inlet 7 is provided with trash rack 18, and the side of fish pass water inlet 7 is provided with Fish lobby 19, and the fish pass water inlet 7 of side, Fish lobby 19 is provided with gate 20, is provided with fish-baiting instrument 22 on gate 20。
Further, described Fish adapt to be provided with two No. two fish screen 21-2 in room 12。Ensure that Fish are before up experiment by this device, it is possible to adapt to the sufficiently long time at designated space。
Further, described sharp-crested weir 4 is made for wood materials, and the side at sharp-crested weir 4 is provided with side arm 17, and side arm 17 can regulate the height of sharp-crested weir 4, and maximum operation of sharp-crested weir 4 is highly 0.5m, is provided with 10 gears, and every grade is 0.05m。
Further, described fish pass 8 is in tilted layout installation, and its low side passes through ground supports, high-end is supported by scalable buttress 9；Described fish pass 8 adopts clear perspex material to make。
Further, the metope of described flume 2 is the xoncrete structure that roughness is bigger。
Further, described current stabilization wall 6 is built by the staggered base of Rhizoma Begoniae Willsonii and cement mortar, and current stabilization wall 6 is brick hole 23 cross structure, and the closure of class brick water-tight models can be used in described brick hole 23。The flow of water can be effectively controlled by blocking class brick water-tight models inside brick hole 23。
Further, described water pump 14 has three kinds of different models, and a pump capacity is 0.2m3/ s, No. two pump capacities are 0.3m3/ s, No. three pump capacities are 0.5m3/ s。Can according to test requirements document by the water pump 14 of three kinds of different models, it is provided that the water yield of different flow, thus improve work efficiency。
Such as Fig. 4-6, fish pass 8 bottom surface is provided with the coordinate grid 25 that plate brick is paved into, the side intake in each pond 13 of fish pass 8 and fish pass fills a camera head, camera head is connected with server, dynamic in computer display screen it can be seen that in each pond of fish pass 8 13, in this fish pass 8, carry out Fish trace back experiment, it is possible to be accurately positioned the up track of Fish and time；Fish pass 8 is provided with track 26, scale on track 26 is consistent with longitudinal scale of coordinate grid 25, will be equipped with the flow velocity of current meter and be placed on the track 26 of fish pass 8, the flow speed data of each measuring point can be recorded by moving left and right or slide up and down current meter, therefore, it is possible to the experiment measuring point of hydraulic characteristic(s) and Fish are traced back path matching, model experiment is made to have more realistic meaning。
Further, trash rack 18 is set at fish pass water inlet 7, it is prevented that floating thing enters in fish pass 8, in order to avoid blocking affects fish pass 8 and runs；Open fish-baiting instrument 22 on pretreatment, after Fish successfully go upward to fish pass water inlet 7, pull open gate 20, close fish screen 21-1, the gate 20 that Fish can pass through fish pass water inlet 7 other enters Fish lobby 19, fish-baiting instrument 22 can guide Fish to rapidly enter Fish lobby 19, utilizes existing attracting technology can verify attracting effect。In Practical Project, it is possible to Fish lobby 19 is changed into and the passage of oblique downstream direction, make to trace back Fish and enter by a side door into upper river, without the problem causing that fish pass 8 blocks。
Adopting the operation operation method of fish pass experimental provision, it comprises the following steps:
1) first, water pump 14 running scheme is determined according to empirical flow, for instance certain operating mode down-off is 0.25m3/ s, first with manual switch 16, three water pumps 14 are opened simultaneously, water level in plenum chamber 5 is lower than below fish pass water inlet 7 bottom surface during 5cm, close a water pump and No. three water pumps, regulate side arm 17 to fifth speed, now, measured by effusion meter find the flow entering plenum chamber 5 slightly larger than or equal to 0.25m3/ s, as more than 0.25m3/ s, then can utilize one or more class brick water-tight models closure brick hole 23, and the flow making entrance fish pass water inlet 7 is 0.25m3/ s；
2) treat that flow reaches 0.25m3After/s, current meter is loaded on flow velocity frame, and flow velocity frame is put on the track 26 of fish pass 8, the measurement position of the coordinate grid 25 scale location current meter according to track 26 high scale and fish pass 8 bottom surface, move left and right current meter, slide up and down flow velocity frame, measuring the flow speed data of each monitoring point successively, when carrying out operating mode two and testing, now flow is 0.3m3/ s, is highly adjusted to 0 grade by side arm 17 by sharp-crested weir 4, removes the hydraulic characteristic(s) experiment that the class brick water-tight models on current stabilization wall 6 can quickly carry out under operating mode two condition；
3) when carrying out Fish and tracing back experiment, the method adopting step 1-2 determines flow, reach after empirical flow until flow, experiment fish one is put into Fish and adapts to room 12, enable fish-baiting instrument 22, enable underwater camera device, pull open gate 20, remove a fish screen 21-1, after experiment fish one adapts to 30 minutes, experiment fish one string bag is moved to fish pass outlet, carry out tracing back experiment, experiment fish two is moved to Fish simultaneously and adapts in room 12, and monitor up track and the upstream time of experiment fish one, every experiment fish upstream time standard is decided to be 30 minutes, successfully trace back to fish pass water inlet 7 until Fish, fish pass water inlet 7 end is closed with a fish screen 21-1, until experiment fish one is after the stipulated time enters Fish lobby 19, closed shutter 20, with string bag recovery experiment fish, as fish does not enter into Fish lobby 19 in the stipulated time, experiment fish is driven entrance Fish lobby 19, closed shutter 20, remove fish screen 21-1, Model fish two moves into fish pass outlet simultaneously carry out tracing back experiment。After in experiment, no matter success or not reaches the stipulated time, directly test with experiment fish two, iterative cycles experiment to all test fishes successful up or exceed experimental period unsuccessful up。Record all experiment upstream time of fish and bar number, and according to photography video observation and draw the experiment up trajectory diagram of fish。Adjust operating mode, repeat above-mentioned experiment；
4) after completing the experiment under a kind of working condition, it is possible to change flow condition simultaneously, change the fish pass dividing plate 10 of different types or change the fish pass gradient by scalable buttress 9, carrying out the experiment of different operating mode and composite condition condition thereof。
Specific works process of the present utility model and operation principle be:
Current enter baffle-box 1 by water pump 14 from pond 13, enter fish channel structure then through the flume 2 in flow guiding structure, annular water channel 3, plenum chamber 5, finally import in pond 13；Total flow is controlled, again through the open and close controlling experiment necessary flow regulating brick hole 23 on the height of sharp-crested weir 4 and current stabilization wall 6 by the water pump 14 and combination thereof opening different model。
Drawing water structure described in experimental provision of the present utility model can make the flow condition of fish pass water inlet 7 similar to Practical Project according to the actual state in river, so that hydraulic characteristic(s) tests more practical significance。
Trash rack 18 is set before fish pass water inlet 7 described in experimental provision of the present utility model, side arranges Fish lobby 19, and with gate 20, Fish lobby 19 and fish pass water inlet 7 are separated, gate 20 is other is provided with fluorescent tube and siphon, first it is prevented from foreign material and enters in fish pass 8, the effect of impact experiment and progress, be prevented from fish pass 8 in Practical Project and block, affect fish pass 8 properly functioning；Side is provided with lobby simultaneously, gate 20, fluorescent tube and siphon, after Fish success is up, introduce in lobby by lamp attracting and current attracting by fish, closed shutter 20 after fish enters, it is easy to recovery experiment with fish, in Practical Project, uses attracting method to make up Fish from side door migration to upstream, the problem that just can avoid the blocking data feedback channel of trash rack 18, and be prevented from fish pass 8 and block, side line is vertical with water (flow) direction, is not easily blocked。
Above-described embodiment is used for illustrating this utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims, any amendment that this utility model is made and change, both fall within protection domain of the present utility model。
Claims (9)
1. a fish pass experimental provision, it is characterised in that: it includes baffle-box (1), and baffle-box (1) is provided with bottom outlet (27)；Being connected by pipeline (15) between baffle-box (1) and pond (13), pond (13) are internally provided with water pump (14), and water pump (14) is connected with pipeline (15), and the power line of described water pump (14) is connected with manual switch (16)；It is provided with flume (2) immediately below the bottom outlet (27) of baffle-box (1), flume (2) is connected with annular water channel (3), the end of annular water channel (3) is provided with sharp-crested weir (4), plenum chamber (5) it is provided with after sharp-crested weir (4), plenum chamber (5) is internally provided with current stabilization wall (6), the sidewall of plenum chamber (5) is provided with fish pass water inlet (7), fish pass water inlet (7) fish pass (8) is connected, the both sides of fish pass (8) are provided above track (24), the side of fish pass (8) is provided with underwater camera device (26), the afterbody of fish pass (8) is provided with fish pass outlet (11), fish pass outlet (11) adapts to room (12) by Fish and is connected with pond (13)。
2. a kind of fish pass experimental provision according to claim 1, it is characterized in that: described fish pass (8) inner bottom surface arranges a fish pass dividing plate (10) every 1.2m, dividing plate (10) adopts and removably connects, the upstream position of fish pass (8) is provided with a fish screen (21-1), fish pass (8) bottom is covered with the coordinate grid (25) that white square plate brick is paved into, and the specification of described coordinate grid (25) is 100cm × 100cm × 1cm；Being provided with scale on described track (24), scale keeps consistent with the scale of coordinate grid (25)。
3. a kind of fish pass experimental provision according to claim 1, it is characterized in that: described fish pass water inlet (7) is provided with trash rack (18), the side of fish pass water inlet (7) is provided with Fish lobby (19), the fish pass water inlet (7) of Fish lobby (19) side is provided with gate (20), is provided with fish-baiting instrument (22) on gate (20)。
4. a kind of fish pass experimental provision according to claim 1, it is characterised in that: described Fish adapt to be provided with two No. two fish screens (21-2) in room (12)。
5. a kind of fish pass experimental provision according to claim 1, it is characterized in that: described sharp-crested weir (4) is made for wood materials, side at sharp-crested weir (4) is provided with side arm (17), side arm (17) can regulate the height of sharp-crested weir (4); the maximum operation of sharp-crested weir (4) is highly 0.5m; being provided with 10 gears, every grade is 0.05m。
6. a kind of fish pass experimental provision according to claim 1, it is characterised in that: described fish pass (8) is in tilted layout installations, and its low side passes through ground supports, high-end by scalable buttress (9) support；Described fish pass (8) adopts clear perspex material to make。
7. a kind of fish pass experimental provision according to claim 1, it is characterised in that: the metope of described flume (2) is the xoncrete structure that roughness is bigger。
8. a kind of fish pass experimental provision according to claim 1, it is characterised in that: described current stabilization wall (6) is built by the staggered base of Rhizoma Begoniae Willsonii and cement mortar, and current stabilization wall (6) is brick hole (23) cross structure, the available class brick water-tight models closure of described brick hole (23)。
9. a kind of fish pass experimental provision according to claim 2, it is characterised in that: described water pump (14) has three kinds of different models, and a pump capacity is 0.2m3/ s, No. two pump capacities are 0.3m3/ s, No. three pump capacities are 0.5m3/s。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062369.XU CN205329624U (en) | 2016-01-22 | 2016-01-22 | Fishway experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062369.XU CN205329624U (en) | 2016-01-22 | 2016-01-22 | Fishway experimental apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN205329624U true CN205329624U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620062369.XU Expired - Fee Related CN205329624U (en) | 2016-01-22 | 2016-01-22 | Fishway experimental apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780716A (en) * | 2016-01-22 | 2016-07-20 | 三峡大学 | Fishway experimental device and operation method thereof |
| CN106172142A (en) * | 2016-08-31 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | To the system and method sorted by the Fish of fish pass |
| CN106689011A (en) * | 2016-12-27 | 2017-05-24 | 珠江水利委员会珠江水利科学研究院 | Mobile slope-type eel slide |
| CN108719168A (en) * | 2018-05-28 | 2018-11-02 | 杭州联码科技有限公司 | A kind of racetrack is breeded fish pipeline and its application method |
| CN108770750A (en) * | 2018-05-28 | 2018-11-09 | 杭州联码科技有限公司 | A kind of pipeline for breeding fish |
| CN109267547A (en) * | 2018-10-29 | 2019-01-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Portable fish way internal garbage intercepting and cleaning device |
-
2016
- 2016-01-22 CN CN201620062369.XU patent/CN205329624U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780716A (en) * | 2016-01-22 | 2016-07-20 | 三峡大学 | Fishway experimental device and operation method thereof |
| CN106172142A (en) * | 2016-08-31 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | To the system and method sorted by the Fish of fish pass |
| CN106172142B (en) * | 2016-08-31 | 2022-01-14 | 长江勘测规划设计研究有限责任公司 | System and method for sorting fish passing through fishway |
| CN106689011A (en) * | 2016-12-27 | 2017-05-24 | 珠江水利委员会珠江水利科学研究院 | Mobile slope-type eel slide |
| CN108719168A (en) * | 2018-05-28 | 2018-11-02 | 杭州联码科技有限公司 | A kind of racetrack is breeded fish pipeline and its application method |
| CN108770750A (en) * | 2018-05-28 | 2018-11-09 | 杭州联码科技有限公司 | A kind of pipeline for breeding fish |
| CN109267547A (en) * | 2018-10-29 | 2019-01-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Portable fish way internal garbage intercepting and cleaning device |
| CN109267547B (en) * | 2018-10-29 | 2024-03-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Portable fishway internal garbage interception and cleaning device |
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