CN208533489U - A kind of hole side water-permeable fishway import water charging system setting water blocking pier - Google Patents
A kind of hole side water-permeable fishway import water charging system setting water blocking pier Download PDFInfo
- Publication number
- CN208533489U CN208533489U CN201821057485.8U CN201821057485U CN208533489U CN 208533489 U CN208533489 U CN 208533489U CN 201821057485 U CN201821057485 U CN 201821057485U CN 208533489 U CN208533489 U CN 208533489U
- Authority
- CN
- China
- Prior art keywords
- fish
- water
- section
- flow
- moisturizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to a kind of hole side water-permeable fishway import water charging systems for setting water blocking pier, belong to fish pass field, provide a kind of fish pass import water charging system for making fish pass inlet velocity reach attracting requirement with low refill flow.Main includes raising the fish inlet bottom elevation to connect with river and raising section equipped with water blocking pier, and fish inlet bottom elevation is not raised and opens permeable hole on fish pass abutment wall of section two sides equipped with moisturizing pond and moisturizing pond section.The utility model can reduce refill flow needed for fish inlet, moisturizing, which goes out stream, to be caused to significantly affect to fish inlet flow-shape, simple for structure, be easy to construct in Practical Project, it has a good application prospect, is particularly suitable for the fish pass import moisturizing of water flow entrainment silt.
Description
Technical field
This method is related to fish pass import water charging system, and specifically one kind sets water blocking pier, two sides in fish pass import front end
If the fish inlet water charging system of moisturizing pond.
Background technique
Fish pass is to provide for migratory aquatic organism across obstacles such as dam, river weirs, links up the one of aquatic organism migration route
The most common building of kind.Can the import of fish pass be realized and be smoothly entered faster by fish, be fish pass design success or failure
One of key factor.
One critically important arrangement principle of fish pass import is exactly that the water flow let out under import should be such that fish easily let out under hinge
It is distinguished in various water flows, the induction flow velocity that the flow velocity of fish inlet near zone should be greater than fish (incudes flow velocity and refers to that fish can
The aitiogenic minimum flow velocity value of energy, the induction flow velocity of various fish is generally identical, generally 0.20m/s).To make fish pass
Entrance water flow reaches preferable attracting effect, and the neighbouring water flow of fish inlet should reach as far as possible under various fish and water bit combinations excessively
The attracting flow velocity of 0.40~0.70m/s.However in Practical Project, the common vertical seam type fish channel in China, since perps width compares fish
Road entrance width is small, and when water flow reaches the design current velocity of suitable fish migration at fish pass perps, fish pass entrance flow velocity is normal
Lower than attracting flow velocity, therefore usually in fish pass import using water supplementing method is concentrated, fish pass entrance flow rate of water flow is improved to attracting
Flow velocity draws fish and enters fish pass to achieve the purpose that lure.But the mode of moisturizing is concentrated, water supply pipe water outlet flow velocity is larger, easily
Fish pass entrance flow-shape disorder is caused, ideal attracting effect is not achieved, therefore how to improve fish pass import water charging system,
Make it under the premise of fish pass import flow-shape does not get muddled, improves fish inlet flow rate of water flow to attracting flow velocity, be design
The problem paid special attention to scientific research and testing personnel.
Summary of the invention
The purpose of this utility model is that proposing a kind of to make fish pass inlet velocity reach attracting requirement with low refill flow
If the hole side water-permeable fishway import water charging system of water blocking pier.
The purpose of this utility model can be realized by following technical method:
A kind of fish pass import water charging system, it is characterised in that: the bottom elevation including fish pass import front end raises section, bottom elevation
Section and the joining section between them are not raised；The bottom elevation raises section equipped with water blocking pier, to reduce import cross-section of river face
Product improves fish inlet flow rate of water flow, reduces moisturizing and requires flow；The bottom elevation is not raised section and is set close to the two sides of fish pass pond room
There is moisturizing pond；Permeable hole is opened up on the abutment wall of moisturizing pond section fish pass two sides, water flow is through on the abutment wall of fish pass two sides in moisturizing pond
Permeable hole fills into fish inlet, makes moisturizing water flow low flow velocity uniformly go out to flow, avoids fish inlet flow-shape disorder.
The further technical solution of the utility model is: the bottom elevation that the bottom elevation raises section raises height and water blocking pier
Width, need to be by calculating determining or verification experimental verification, to ensure fish inlet flow velocity no more than attracting flow rates demand.
The bottom elevation raises section and bottom elevation does not raise the joining section between section as slope, and bottom elevation raises section and bottom is high
Cheng Wei raise section taken advantage of a situation with certain slope it is connected.
Further technical solution is: the maximum refill flow that the area of efflux of moisturizing pond should be as needed determines, by going out
Flow area determines the width of moisturizing pond.
Further technical solution is: moisturizing pond crest level should be higher than that fish pass fish inlet peak level, to guarantee moisturizing pond
Overflow does not occur for interior water body.
Further technical solution is: moisturizing pond bottom elevation should be higher than that fish inlet Bottom Altitude (or perhaps mend by fish inlet
Bottom permeable hole not serious exchange premium lymphogranuloma inguinale bottom on the abutment wall of pond section fish pass two sides), it is that may be present to prevent fish inlet bottom
Sediment siltation blocks permeable hole.
Further technical solution is: permeable hole crest level is less than the minimum water of fish inlet on the abutment wall of moisturizing pond section fish pass two sides
Position, to reduce influence of the moisturizing water flow to fish inlet surface water flow stationary.
The advantages of the utility model are as follows: (1) the utility model by raise fish inlet front end bottom elevation, and sets water blocking pier,
To reduce fish pass import discharge section area, fish inlet flow rate of water flow is improved, moisturizing is reduced and requires flow；(2) the utility model
Moisturizing pond is set in the inducer two sides close to fish pass pond room, after raising fish inlet bottom elevation and being equipped with water blocking pier, fish inlet stream
When speed is still lower, the moisturizing into moisturizing pond by water supply pipe, water flow is mended through the permeable hole on the abutment wall of fish pass two sides in moisturizing pond
Enter fish inlet, makes moisturizing water flow low flow velocity uniformly go out to flow, avoid fish inlet flow-shape disorder；(3) the utility model is by setting
It sets permeable hole bottom elevation and is less than fish inlet lowest water level higher than fish inlet bottom elevation, permeable hole crest level, so that permeable hole goes out to flow
Both fish inlet surface water surface stationarity will not will not be influenced by the possible sediment siltation in fish inlet bottom is clogging；(4) this reality
Fish inlet refill flow is advantageously reduced with novel, it is simple for structure, it is easy to construct in Practical Project, before there is application well
Scape is particularly suitable for the fish pass import moisturizing of water flow entrainment silt.
Detailed description of the invention
Fig. 1 is the utility model fish pass import water charging system elevation view；
Fig. 2 the utility model fish pass import water charging system top view.
In figure: 1 bottom elevation does not raise section, 2 water blocking piers, and 3 bottom elevations raise section, and 4 bottom elevations are raised section and do not lifted with bottom elevation
Joining section between high section, 5 fish pass pond room partitions, 6 fish pass pond room guide plates, 7 moisturizing pond exterior walls, 8 permeable holes, 9 water supply pipes, 10 fishes
The room Dao Chi bottom, 11 permeable hole bottoms, 12 permeable holes top, 13 fish pass pond rooms, 14 moisturizing ponds, 15 fish pass abutment walls.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.It should be noted that right
It is used to help understand utility model in the explanation of these embodiments, but does not constitute the restriction to the utility model.
As shown in Fig. 1 to Fig. 2, fish pass import water charging system described in the utility model, mainly including before fish pass import
The bottom elevation at end raises section 3, bottom elevation does not raise section 1 and the joining section 4 between them, water blocking pier 2, moisturizing pond 14, moisturizing
Permeable hole 8 etc. on pond section fish pass abutment wall 15.
The utility model is raised in fish inlet front end bottom elevation and sets water blocking pier 2 on 3 bottom of section, reduces fish pass import and crosses water
Fish inlet flow rate of water flow can be improved in cross-sectional area, reduces moisturizing and requires flow.In above-mentioned implementation process, 2 height of water blocking pier with
Fish pass abutment wall top flushes, and bottom elevation, which is raised section 3 and do not raise to be taken advantage of a situation between section 1 with certain slope with bottom elevation, to be connected, and joining section 4 is
Slope.Meanwhile the utility model does not raise section 1 in bottom elevation and builds moisturizing pond 14 close to 13 two sides of fish pass pond room, and in moisturizing pond
Permeable hole 8 is opened up on section fish pass abutment wall 15, passes through the moisturizing into moisturizing pond 14 of two sides water supply pipe 9 outside fish pass pond room 13, moisturizing
Water flow fills into fish inlet through the permeable hole 8 on fish pass abutment wall 15 in pond 14, and moisturizing water flow low flow velocity is made uniformly to go out to flow.
It is overflowed to everywhere to avoid dilutional hyponatremia in moisturizing pond 14,7 crest level of moisturizing pond exterior wall should be higher than that fish inlet highest
Water level, actual implementation is preferably higher than the crest level of first fish pass pond room partition 5 and fish pass pond room guide plate 6 in the process, to guarantee to mend
Overflow does not occur for water body in pond.
To prevent fish inlet bottom sediment siltation that may be present from blocking permeable hole 8, permeable hole bottom 11 can not be close into
Lymphogranuloma inguinale bottom, i.e. 14 bottom elevation of moisturizing pond are higher than first fish pass pond room bottom, 10 elevation.
In addition, to reduce influence of the moisturizing water flow to fish inlet surface water flow stationary, the elevation at permeable hole top 12 is wanted
Lower than fish inlet lowest water level.
Embodiment one
The present embodiment fish pass width 2.0m, fish outlet bottom elevation 2758.5m, fish inlet minimum depth 1.5m, fish inlet bottom
Elevation 2718.25m, fish inlet front bottom end elevation raise segment length 2.6m, raise 0.19m, bottom elevation 2718.44m, and import is raised
Duan Yuwei raises the linkage section ramp slope 0.2 of section, long 0.95m, water blocking pier 2.6m long, two sides overall width 1.3m, i.e. fish pass into
Mouth is connected section width constriction with river to 0.7m.
The main operating water level of fish pass is shown in Table 1.By physical experiments, 1 fish pass import of water level combination and river phase are measured
Being connected with water blocking pier section (i.e. fish pass import narrows section) flow rate of water flow is 0.46m/s, meets attracting flow rates demand；Its excess-three water level
It is still lower to combine the narrowed section flow rate of water flow of fish pass import, especially water level combination 4, flow velocity is lower than 0.1m/s.Pass through fish pass moisturizing
System model test determines that fish pass maximum refill flow is 0.3m3/s。
The main operating water level of 1 fish pass of table
It is 0.3m according to fish pass maximum refill flow3/ s, the present embodiment moisturizing area of efflux are 13.5 (=6.75 × 2, one
Side 6.75) m2, calculate moisturizing go out flow flow velocity be 0.02m/s, be less than fish incude flow velocity, do not influence fish and trace back.Moisturizing pond
Section fish pass abutment wall permeable hole bottom elevation is higher than fish inlet bottom elevation 0.1m, crest level is lower than fish inlet lowest water level 0.1m, thus
Permeable hole top bottom height difference is 1.3m.Moisturizing pond length minimum is then 5.2 (=13.5/2/1.3) m, but fish pass abutment wall has an aperture meeting
Reduce practical moisturizing area, based on the rectangular area area 65% where practical perforated area accounts for fill hole, moisturizing pond length suggestion
For 8 (=5.2/65%) m.Moisturizing pond crest level should be greater than fish pass fish inlet peak level, can flush with fish pass abutment wall top.
The present embodiment fish pass maximum refill flow is 0.3m3/ s, i.e. side moisturizing pond rate of water make-up need to reach 0.15m3/ s considers
To there are certain moisturizing surplus capacities, moisturizing pipe diameter in two sides can be 0.4m, to ensure that fish inlet maximum refill flow can reach
0.5m3/ s (is gone out to flow based on flow velocity 4.0m/s) by moisturizing, and moisturizing pond width then needs to be greater than moisturizing pipe diameter, can use 0.8m.
At water level combination 2~4, by water supply pipe to the moisturizing pond moisturizing of fish inlet two sides, every side refill flow is
0.15m3/ s, it is 0.58m/s, 0.66m/s and 0.40m/s that fish pass import, which narrows section flow velocity, all meets attracting flow rates demand.
To sum up, pass through fish pass import water charging system described in the utility model, each operating water level combobar of embodiment fish pass
Under part, fish inlet flow velocity is all satisfied attracting flow rates demand.
According to engineering practice difference, the utility model can also have other embodiments, all to use same procedure shape
At the hole side water-permeable fishway import water charging system equipped with water blocking pier, all fall within the requires of the utility model protection range it
It is interior.
Claims (7)
1. a kind of fish pass import water charging system, it is characterised in that: the bottom elevation including fish pass import front end raises section, bottom elevation not
Raise section and the joining section between them；The bottom elevation raises section and is equipped with water blocking pier, to reduce import discharge section area,
Fish inlet flow rate of water flow is improved, moisturizing is reduced and requires flow；The bottom elevation is not raised section and is equipped with close to the two sides of fish pass pond room
Moisturizing pond；Permeable hole is opened up on the abutment wall of moisturizing pond section fish pass two sides, water flow is through saturating on the abutment wall of fish pass two sides in moisturizing pond
Water hole fills into fish inlet, makes moisturizing water flow low flow velocity uniformly go out to flow, avoids fish inlet flow-shape disorder.
2. fish pass import water charging system as described in claim 1, it is characterised in that: the bottom elevation raises the bottom elevation lift of section
The width of height and water blocking pier need to ensure fish inlet flow velocity no more than attracting flow rates demand.
3. fish pass import water charging system as described in claim 1, it is characterised in that: the bottom elevation raises section and bottom elevation not
Raising the joining section between section is slope.
4. fish pass import water charging system as described in claim 1, it is characterised in that: the moisturizing pond crest level be higher than fish pass into
Lymphogranuloma inguinale peak level, to guarantee that overflow does not occur for water body in moisturizing pond.
5. fish pass import water charging system as described in claim 1, it is characterised in that: moisturizing pond bottom elevation is higher than fish inlet
Bottom Altitude, the bottom permeable hole on the abutment wall of moisturizing pond section fish pass two sides are not close to fish inlet bottom, can to prevent fish inlet bottom
Sediment siltation existing for energy blocks permeable hole.
6. fish pass import water charging system as described in claim 1, it is characterised in that: permeable on the abutment wall of moisturizing pond section fish pass two sides
Hole crest level is less than fish inlet lowest water level, to reduce influence of the moisturizing water flow to fish inlet surface water flow stationary.
7. fish pass import water charging system as described in claim 1, it is characterised in that: the area of efflux of the moisturizing pond is according to need
The maximum refill flow wanted determines, determines moisturizing pond width by area of efflux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057485.8U CN208533489U (en) | 2018-07-05 | 2018-07-05 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057485.8U CN208533489U (en) | 2018-07-05 | 2018-07-05 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208533489U true CN208533489U (en) | 2019-02-22 |
Family
ID=65379786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821057485.8U Active CN208533489U (en) | 2018-07-05 | 2018-07-05 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208533489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708356A (en) * | 2018-07-05 | 2018-10-26 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
-
2018
- 2018-07-05 CN CN201821057485.8U patent/CN208533489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708356A (en) * | 2018-07-05 | 2018-10-26 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of hole side water-permeable fishway import water charging system setting water blocking pier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104594320B (en) | Cross fish formula ship lock and cross fish method | |
| CN105804029B (en) | Ecological gate water replenishing type fish pass inlet device | |
| CN108708356A (en) | A kind of hole side water-permeable fishway import water charging system setting water blocking pier | |
| CN104594321A (en) | Fish collecting and fish luring system and fish collecting and fish luring method of fish-passing type lock | |
| CN103452077B (en) | Power station fish pass import attracting moisturizing experimental facilities | |
| CN204356755U (en) | Cross the fish gathering attracting system of fish formula ship lock | |
| CN208533489U (en) | A kind of hole side water-permeable fishway import water charging system setting water blocking pier | |
| CN207582409U (en) | It changes gear the pump station structure of water in a kind of achievable river that intersects | |
| CN108647907B (en) | Cascade pumping station open channel water diversion project water-filling method based on lock pump combined regulating | |
| CN204650906U (en) | A kind of salty damp experimental tank | |
| CN106049378B (en) | A kind of fishway exit and design method for adapting to fluctuation of water table | |
| CN109371897B (en) | Fishway inlet water supplementing and energy dissipating model test device and test method | |
| CN204326043U (en) | Cross fish formula ship lock | |
| CN205822121U (en) | A kind of entirety makes the deep-water basin of stream | |
| CN205636627U (en) | A automatic sand feeding device for tidal estuary silt physical model | |
| CN115434290A (en) | Hydropower station rectification and river connectivity restoration structure | |
| CN108824366A (en) | A kind of earth and rockfill dam ecological slope protection construction method and its prefabricated block structure of use | |
| CN206034391U (en) | Adaptation water level variation's fishway exit | |
| CN111350172B (en) | Fishway water replenishing system and fishway combined with ship lock and water replenishing method | |
| CN210737484U (en) | Water intaking system of hydraulic engineering | |
| CN209508917U (en) | A kind of part model of reservoir density current pilot system | |
| CN106149647B (en) | It is a kind of artificially not controlled down the method and structure for letting out ecological flow | |
| CN207919508U (en) | Fish pass moisturizing attracting structure | |
| CN204418134U (en) | A kind of full overflow eddy flow row spiral shell device | |
| CN205636673U (en) | A sluicing core wall for between hydro junction factory dam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |