CN109837872A - Fish pass import water charging system - Google Patents
Fish pass import water charging system Download PDFInfo
- Publication number
- CN109837872A CN109837872A CN201711199507.4A CN201711199507A CN109837872A CN 109837872 A CN109837872 A CN 109837872A CN 201711199507 A CN201711199507 A CN 201711199507A CN 109837872 A CN109837872 A CN 109837872A
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- China
- Prior art keywords
- moisturizing
- fish
- fish pass
- water
- pond
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 230000008676 import Effects 0.000 title claims abstract description 29
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 109
- 241000251468 Actinopterygii Species 0.000 claims abstract description 88
- 230000037452 priming Effects 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010021036 Hyponatraemia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of preferable fish pass import water charging systems of attracting effect.The water charging system, including moisturizing pond are connected with moisturizing general pipeline in moisturizing pond, are connected at least one moisturizing on the moisturizing general pipeline and are in charge of, the moisturizing, which is in charge of, is connected with multiple moisturizing branch pipes.The water charging system is by the way of being segmented moisturizing, moisturizing can be carried out simultaneously to multiple positions of fish pass import, to make the flow rate of water flow of entire fish pass import while change, the flow-shape of fish pass entrance will not be destroyed, the flow-shape for being able to maintain fish pass entrance is stablized, to effectively fish be attracted to enter fish pass, the attracting effect of fish pass import is preferable, and use multiple moisturizing branch pipe moisturizings, the exit flow velocity of each moisturizing branch pipe is not too large, too much influence will not be caused to the flow velocity of fish pass, and then tracing back for fish will not be influenced, fish will not be traced back with generation obstruction.It is suitble to promote and apply in fish pass field.
Description
Technical field
The present invention relates to fish pass field, especially a kind of fish pass import water charging system.
Background technique
With the development in an all-round way of China's economic society, it was recognized that hydroelectric generation is while bringing economic benefit to fish
Class germplasm communication channel forms deadening, causes Habitat Fragmentation.With environmental protection policy constantly improve and construction project
Environment supervision continues to increase, and provides migration by the artifical flume on sluice or dam by pass for fish by building fish pass
Note.
The design of fish pass, main consideration fish trace back habit, and in the downstream of gate dam, fish are drawn by water flow
Fish pass, fish need that flow velocity is overcome to trace back trip to upstream by the strength of itself in fish pass, and downlink fish can pass through fish pass fair current
Under, in order to attract fish to enter fish pass, fish pass entrance is usually provided with inducing installation, the inducing installation generally used blocks
Garth (weir), block, electric grid, water flow induction etc., wherein water flow induction is a kind of the most commonly used mode, and the water flow induction is
Refer to through the flow rate of water flow of control fish pass import, its flow velocity is made to reach a suitable range, so that fish is attracted to enter fish pass,
But since the raising of fish pass entrance tailwater channel water level, the generating set quantity worked at the same time can be made when generating set work
More, the water level of tailwater channel is raised more, and the flow rate of water flow that the raising of tailwater channel water level will lead to fish pass entrance reduces, no
Fish can be attracted to enter fish pass well, therefore, in order to improve attracting effect, it usually needs fish pass import carry out moisturizing to
The flow rate of water flow of fish pass entrance is set to reach defined requirement, currently, generalling use concentration for the water supplementing method of fish pass import
The mode of moisturizing, although the mode of concentration moisturizing can adjust the flow rate of water flow of fish pass import, the mode of moisturizing is concentrated to exist
The water outlet flow velocity of water supply pipe is larger, and other positions flow velocity is smaller, easily causes the flow-shape of fish pass entrance in this way
Disorder can not effectively attract fish to enter fish pass, and the attracting effect of fish pass import is poor, and concentrate moisturizing meeting so that fish pass
Local pond room section flow velocity it is excessively slow, influence tracing back for fish, to fish trace back generation obstruction.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of preferable fish pass import water charging systems of attracting effect.
The technical solution adopted by the present invention to solve the technical problems is: the fish pass import water charging system, including moisturizing pond,
It is connected with moisturizing general pipeline in moisturizing pond, is connected at least one moisturizing on the moisturizing general pipeline and is in charge of, company is in charge of in the moisturizing
Multiple moisturizing branch pipes are connected to, the water outlet of the moisturizing branch pipe is provided with grid, and the moisturizing, which is in charge of, is connected at least one
A to draw fish discharge jet, the moisturizing general pipeline, moisturizing branch pipe draw and are provided with shut-off valve on fish discharge jet, the moisturizing branch pipe, moisturizing
It is provided with flow control valve on general pipeline, further includes priming reservoir, bottom of pond portion of drawing water is provided with tailwater channel water inlet, is arranged in priming reservoir
There is at least one borehole shaft driven (centrifugal) pump, the water outlet of the borehole shaft driven (centrifugal) pump is connected to by water pipe with moisturizing pond, the moisturizing pond, pumping
It is provided with liquid level sensor in pond, fluid level announciator is connected on the liquid level sensor, is set in the moisturizing pond, priming reservoir
It is equipped with proof submersible sand discharging pump, sewage pipe is connected on proof submersible sand discharging pump, is provided with check-valves on the sewage pipe.
Further, the moisturizing pond upper end is provided with overflow pipe.
The beneficial effects of the present invention are: the fish pass import water charging system is by the way of being segmented moisturizing, can to fish pass into
Multiple positions of mouth carry out moisturizing simultaneously, are not in office to make the flow rate of water flow of entire fish pass import while change
The too fast phenomenon of flow rate of water flow within the scope of portion, and then the flow-shape of fish pass entrance will not be destroyed, be able to maintain fish pass into
Flow-shape at mouthful is stablized, to effectively fish be attracted to enter fish pass, the attracting effect of fish pass import is preferable, and uses
The exit flow velocity of multiple moisturizing branch pipe moisturizings, each moisturizing branch pipe is not too large, will not cause to the flow velocity of fish pass too big
Influence, and then tracing back for fish will not be influenced, will not fish be traced back with generation obstruction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fish pass import water charging system of the present invention；
Description of symbols in figure: moisturizing pond 1, moisturizing general pipeline 2, moisturizing be in charge of 3, moisturizing branch pipe 4, grid 5, draw fish discharge jet 6,
Shut-off valve 7, flow control valve 8, priming reservoir 9, tailwater channel water inlet 10, borehole shaft driven (centrifugal) pump 11, liquid level sensor 12, liquid level signal
Device 13, proof submersible sand discharging pump 14, sewage pipe 15, check-valves 16, overflow pipe 17, tailwater channel 18.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, the fish pass import water charging system, including moisturizing pond 1, moisturizing general pipeline 2, institute are connected in moisturizing pond 1
It states and is connected at least one moisturizing on moisturizing general pipeline 2 and is in charge of 3, the moisturizing, which is in charge of on 3, is connected with multiple moisturizing branch pipes 4.The fish
Road import water charging system is mounted on fish pass entrance, and moisturizing process is as follows: firstly, it is total that the water in moisturizing pond 1 is introduced moisturizing
Pipe 2, then the water in moisturizing general pipeline 2 separately flows into moisturizing again and is in charge of in 3, then flows into again in each moisturizing branch pipe 4, finally from
The water outlet of moisturizing branch pipe 4 is discharged, and plays the purpose of moisturizing, above-mentioned fish pass import water charging system is using the side for being segmented moisturizing
Formula can carry out moisturizing simultaneously to multiple positions of fish pass import, to make the flow rate of water flow of entire fish pass import while occur
Variation, is not in the phenomenon that flow rate of water flow is too fast in subrange, and then will not destroy the flow-shape of fish pass entrance,
The flow-shape for being able to maintain fish pass entrance is stablized, so that fish effectively be attracted to enter fish pass, the attracting effect of fish pass import
Fruit is preferable, and uses multiple 4 moisturizings of moisturizing branch pipe, and the water outlet flow velocity of each moisturizing branch pipe 4 is not too large, will not be right
The flow velocity of fish pass causes too much influence, and then will not influence tracing back for fish, and will not fish be traced back with generation obstruction.In order to
It further prevents the flow rate of water flow of 4 water outlet of moisturizing branch pipe excessive, the water outlet of the moisturizing branch pipe 4 is provided with lattice
Grid 5 can make the water in moisturizing branch pipe 4 go out by 5 overflow of grid, can effectively avoid moisturizing branch pipe 4 by the way that grid 5 is arranged
The flow rate of water flow in exit is locally excessive, can further keep the flow-shape of fish pass entrance to stablize, thus effectively
Attract fish to enter fish pass, while also can further reduce and the flow velocity of fish pass is impacted, fish will not be traced back
Generate obstruction.In order to improve the attracting effect of fish pass import, the moisturizing, which is in charge of on 3, to be connected at least one and draws fish discharge jet 6.
Fish pass import water charging system is usually the moisturizing operation in generating set work, and other periods are not need moisturizing under normal circumstances
, in special circumstances, moisturizing can be carried out according to the actual situation, for the ease of realizing in specific opportunity moisturizing, the moisturizing
General pipeline 2, moisturizing branch pipe 4 draw and are provided with shut-off valve 7 on fish discharge jet 6.In order to control the water of moisturizing, the moisturizing branch pipe 4,
It is provided with flow control valve 8 on moisturizing general pipeline 2, be free to adjust required rate of water make-up by flow control valve 8, thus smart
The really flow rate of water flow of control fish pass import.Water in moisturizing pond 1 is typically from the reservoir in downstream, but the reservoir water in downstream sometimes
Position is lower, can not drain into moisturizing pond 1, therefore, in order to guarantee the water source for having sufficient in moisturizing pond 1 at any time, if
Priming reservoir 9 is set, 9 bottom of priming reservoir is provided with tailwater channel water inlet 10, at least one borehole shaft driven (centrifugal) pump is provided in priming reservoir 9
11, the water outlet of the borehole shaft driven (centrifugal) pump 11 is connected to by water pipe with moisturizing pond 1, and the water in tailwater channel 18 is intake by tailwater channel
Mouthfuls 10 enter and draw water, and then the water in priming reservoir 9 are extracted into again in moisturizing pond 1 using borehole shaft driven (centrifugal) pump 11, due to tail water
Canal 18 has water at any time, it may therefore be assured that moisturizing pond 1 has sufficient water source at any time, to guarantee
Moisturizing operation is normally carried out.For understanding moisturizing pond 1 promptly and accurately, the water level in priming reservoir 9, the moisturizing pond 1 is drawn water
It is provided with liquid level sensor 12 in pond 9, is connected with fluid level announciator 13 on the liquid level sensor 12.Moisturizing pond 1, priming reservoir 9
In use for some time, some sludge can be deposited in moisturizing pond 1,9 bottom of pond of priming reservoir, for the ease of clearing up these sludge,
It is provided with proof submersible sand discharging pump 14 in moisturizing pond 1, priming reservoir 9, sewage pipe 15 is connected on proof submersible sand discharging pump 14.It is taken out in order to prevent
The sludge reflux gone out enters moisturizing pond 1, in priming reservoir 9, and check-valves 16 is provided on sewage pipe 15, can also be set on sewage pipe
It sets shut-off valve and facilitates operation.
In addition, in order to prevent the dilutional hyponatremia in moisturizing pond 1 and overflow to everywhere, 1 upper end of moisturizing pond is provided with overflow pipe
17, extra water is discharged by overflow pipe 17 by specified position, water is avoided to overflow to everywhere and cause unnecessary trouble.
Claims (2)
1. fish pass import water charging system, it is characterised in that: including moisturizing pond (1), moisturizing general pipeline (2) are connected in moisturizing pond (1),
It is connected at least one moisturizing on the moisturizing general pipeline (2) to be in charge of (3), the moisturizing, which is in charge of on (3), is connected with multiple moisturizing branch
It manages (4), the water outlet of the moisturizing branch pipe (4) is provided with grid (5), and the moisturizing, which is in charge of on (3), is connected at least one
Draw fish discharge jet (6), the moisturizing general pipeline (2), moisturizing branch pipe (4) draw and be provided with shut-off valve (7) on fish discharge jet (6), described
Flow control valve (8) are provided on moisturizing branch pipe (4), moisturizing general pipeline (2), further include priming reservoir (9), priming reservoir (9) bottom is set
It is equipped with tailwater channel water inlet (10), is provided at least one borehole shaft driven (centrifugal) pump (11), the borehole shaft driven (centrifugal) pump in priming reservoir (9)
(11) water outlet is connected to by water pipe with moisturizing pond (1), is provided with liquid level sensor in the moisturizing pond (1), priming reservoir (9)
(12), it is connected with fluid level announciator (13) on the liquid level sensor (12), is provided in the moisturizing pond (1), priming reservoir (9)
Proof submersible sand discharging pump (14) is connected with sewage pipe (15) on proof submersible sand discharging pump (14), is provided with check-valves on the sewage pipe (15)
(16)。
2. fish pass import water charging system as described in claim 1, it is characterised in that: moisturizing pond (1) upper end is provided with excessive
Flow tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199507.4A CN109837872A (en) | 2017-11-26 | 2017-11-26 | Fish pass import water charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199507.4A CN109837872A (en) | 2017-11-26 | 2017-11-26 | Fish pass import water charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109837872A true CN109837872A (en) | 2019-06-04 |
Family
ID=66878865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711199507.4A Pending CN109837872A (en) | 2017-11-26 | 2017-11-26 | Fish pass import water charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109837872A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254889A (en) * | 2020-03-20 | 2020-06-09 | 交通运输部天津水运工程科学研究所 | Fishway inlet water supplementing system, fishway and water supplementing method |
| CN113774867A (en) * | 2021-08-18 | 2021-12-10 | 中国电建集团华东勘测设计研究院有限公司 | Novel fishway pool chamber water supplementing system under high water head and large drop effect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747714A (en) * | 2012-07-25 | 2012-10-24 | 中国水电顾问集团成都勘测设计研究院 | Water complementing system for fish-way entrance |
| CN202705996U (en) * | 2012-07-25 | 2013-01-30 | 中国水电顾问集团成都勘测设计研究院 | Sectional water supply system for fishway entrance |
-
2017
- 2017-11-26 CN CN201711199507.4A patent/CN109837872A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747714A (en) * | 2012-07-25 | 2012-10-24 | 中国水电顾问集团成都勘测设计研究院 | Water complementing system for fish-way entrance |
| CN202705996U (en) * | 2012-07-25 | 2013-01-30 | 中国水电顾问集团成都勘测设计研究院 | Sectional water supply system for fishway entrance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254889A (en) * | 2020-03-20 | 2020-06-09 | 交通运输部天津水运工程科学研究所 | Fishway inlet water supplementing system, fishway and water supplementing method |
| CN113774867A (en) * | 2021-08-18 | 2021-12-10 | 中国电建集团华东勘测设计研究院有限公司 | Novel fishway pool chamber water supplementing system under high water head and large drop effect |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190604 |
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| WD01 | Invention patent application deemed withdrawn after publication |