CN202705996U - Sectional water supply system for fishway entrance - Google Patents
Sectional water supply system for fishway entrance Download PDFInfo
- Publication number
- CN202705996U CN202705996U CN2012203616736U CN201220361673U CN202705996U CN 202705996 U CN202705996 U CN 202705996U CN 2012203616736 U CN2012203616736 U CN 2012203616736U CN 201220361673 U CN201220361673 U CN 201220361673U CN 202705996 U CN202705996 U CN 202705996U
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- CN
- China
- Prior art keywords
- moisturizing
- fish
- fish pass
- water supply
- charging system
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
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- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model discloses a sectional water supply system for a fishway entrance, which has a good fish attracting effect. The water supply system comprises a water supply pool; the water supply pool is connected with a water supply main pipe; the water supply main pipe is connected with at least one water supply sub pipe; and the water supply sub pipe is connected with a plurality of water supply branch pipes. The water supply system can simultaneously supply water to a plurality of positions at the fishway entrance in a sectional water supply mode, so that the flow rate of the water flow of the whole fishway entrance is simultaneously changed, the flow state of the water flow at the fishway entrance is not destroyed and can be kept stable, fish is effectively attracted to a fishway, and the fish attracting effect of the fishway entrance is good; a plurality of water supply branch pipes are adopted for supplying water, and the flow rate at the outlet of each water supply branch pipe is low, so that the flow rate of the fishway is not affected much, and upstream swimming of the fish is also not affected or blocked. The system is suitable to be popularized and applied in the field of fishways.
Description
Technical field
The utility model relates to the fish pass field, especially a kind of fish pass import segmented water charging system.
Background technology
Along with the development in an all-round way of China's economic society, people recognize that hydroelectric generation has formed deadening to the fish germplasm communication channel when bringing economic benefit, caused Habitat Fragmentation.Along with constantly improving of environmental protection policy and continuing to increase of building project environment supervision, receive much concern by the artifical flume on sluice or dam for fish provide migration by building fish pass.
The design of fish pass, the main habit of tracing back of considering fish, downstream at gate dam, fish rely on the fish pass that is drawn into of current, fish need to rely on the strength of self to overcome flow velocity in fish pass to trace back trip to the upstream, descending fish can go downstream by fish pass, in order to attract fish to enter fish pass, usually be provided with inducing installation in fish pass import department, the general inducing installation that adopts has barrier dam (weir), block, the electricity grid, current are induced etc., wherein to induce be a kind of mode of commonly using the most to current, described current are induced the flow rate of water flow that refers to by the import of control fish pass, make its flow velocity reach a suitable scope, thereby attract fish to enter fish pass, but meeting is so that the rising of fish pass import department tailwater channel water level during owing to generating set work, the generating set quantity of working simultaneously is more, it is more that the water level of tailwater channel raises, the rising of tailwater channel water level can cause the flow rate of water flow of fish pass import department to reduce, can not well attract fish to enter fish pass, therefore, in order to improve the attracting effect, thereby usually need to carry out moisturizing in the fish pass import makes the flow rate of water flow of fish pass import department reach the requirement of regulation, at present, water supplementing method for the fish pass import adopts the mode of concentrating moisturizing usually, can regulate the flow rate of water flow of fish pass import although concentrate the mode of moisturizing, but, concentrate the mode of moisturizing larger at the water outlet flow velocity of filling pipe, other position flow velocity is less, be easy to like this cause the flow-shape of fish pass import department disorderly, can't effectively attract fish to enter fish pass, the attracting effect of fish pass import be relatively poor, and concentrated moisturizing meeting is so that chamber, the local pond section flow velocity of fish pass is excessively slow, affect tracing back of fish, fish are traced back to produce hinder.
The utility model content
Technical problem to be solved in the utility model provides preferably fish pass import of a kind of attracting effect segmented water charging system.
The technical scheme that its technical problem that solves the utility model adopts is: this fish pass import segmented water charging system, comprise the moisturizing pond, be connected with the moisturizing house steward on the moisturizing pond, be connected with at least one moisturizing on the described moisturizing house steward and be in charge of, described moisturizing is in charge of and is connected with a plurality of moisturizing arms.
Further be that the water outlet of described moisturizing arm is provided with grid.
Further be that described moisturizing is in charge of and is connected with at least one and draws the fish discharge jet.
Further be described moisturizing house steward, moisturizing arm, to draw on the fish discharge jet and be provided with stop valve.
Further be to be provided with flow control valve on described moisturizing arm, the moisturizing house steward.
Further be, also comprise the priming reservoir, the bottom, priming reservoir is provided with the tailwater channel water inlet, is provided with at least one borehole shaft driven（centrifugal）pump in the priming reservoir, and the delivery port of described borehole shaft driven（centrifugal）pump is communicated with the moisturizing pond by water pipe.
Further be, be provided with liquid level sensor in described moisturizing pond, the priming reservoir, be connected with fluid level announciator on the described liquid level sensor.
Further be, be provided with proof submersible sand discharging pump in described moisturizing pond, the priming reservoir, be connected with blow-off pipe on the proof submersible sand discharging pump.
Further be to be provided with flap valve on the described blow-off pipe.
Further be that upper end, described moisturizing pond is provided with bleed off pipe.
The beneficial effects of the utility model are: this fish pass import segmented water charging system adopts the mode of segmentation moisturizing, can carry out simultaneously moisturizing to a plurality of positions of fish pass import, thereby the flow rate of water flow of whole fish pass import is changed simultaneously, the too fast phenomenon of flow rate of water flow in the subrange can not appear, and then also can not destroy the flow-shape of fish pass import department, can keep the flow-shape of fish pass import department stable, thereby effectively attract fish to enter fish pass, the attracting effect of fish pass import is better, and adopt the moisturizing of a plurality of moisturizing arm, the exit flow velocity of each moisturizing arm is not too large, can not cause too much influence to the flow velocity of fish pass, and then can not affect tracing back of fish yet, can not trace back to produce to fish and hinder.
Description of drawings
Fig. 1 is the structural representation of the utility model fish pass import segmented water charging system;
Description of symbols among the figure: moisturizing pond 1, moisturizing house steward 2, moisturizing are in charge of 3, moisturizing arm 4, grid 5, draw fish discharge jet 6, stop valve 7, flow control valve 8, priming reservoir 9, tailwater channel water inlet 10, borehole shaft driven（centrifugal）pump 11, liquid level sensor 12, fluid level announciator 13, proof submersible sand discharging pump 14, blow-off pipe 15, flap valve 16, bleed off pipe 17, tailwater channel 18.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, this fish pass import segmented water charging system comprises moisturizing pond 1, is connected with moisturizing house steward 2 on the moisturizing pond 1, is connected with at least one moisturizing on the described moisturizing house steward 2 and is in charge of 3, and described moisturizing is in charge of and is connected with a plurality of moisturizing arms 4 on 3.This fish pass import segmented water charging system is installed in fish pass import department, its moisturizing process is as follows: at first, water in the moisturizing pond 1 is introduced moisturizing house steward 2, then the water in the moisturizing house steward 2 flow into respectively moisturizing again and are in charge of in 3, then flow into again in each moisturizing arm 4, discharge from the water outlet of moisturizing arm 4 at last, play the purpose of moisturizing, above-mentioned fish pass import segmented water charging system adopts the mode of segmentation moisturizing, can carry out simultaneously moisturizing to a plurality of positions of fish pass import, thereby the flow rate of water flow of whole fish pass import is changed simultaneously, the too fast phenomenon of flow rate of water flow in the subrange can not appear, and then also can not destroy the flow-shape of fish pass import department, can keep the flow-shape of fish pass import department stable, thereby effectively attract fish to enter fish pass, the attracting effect of fish pass import is better, and adopt a plurality of moisturizing arm 4 moisturizings, the water outlet flow velocity of each moisturizing arm 4 is not too large, can not cause too much influence to the flow velocity of fish pass, and then can not affect tracing back of fish yet, can not trace back to produce to fish and hinder.
In above-mentioned implementation process, for the flow rate of water flow that further prevents moisturizing arm 4 water outlets excessive, water outlet at described moisturizing arm 4 is provided with grid 5, by grid 5 is set the water in the moisturizing arm 4 is gone out by grid 5 overflows, can effectively avoid the flow rate of water flow part in moisturizing arm 4 exits excessive, can further keep the flow-shape of fish pass import department stable, thereby effectively attract fish to enter fish pass, simultaneously also can further reduce the flow velocity of fish pass is impacted, can not trace back to produce to fish and hinder.
Further be that in order to improve the attracting effect of fish pass import, described moisturizing is in charge of and is connected with at least one on 3 and draws fish discharge jet 6.
The normally moisturizing operation when generating set is worked of fish pass import segmented water charging system, other period is not need moisturizing generally speaking, in particular cases, can carry out moisturizing according to actual conditions, for the ease of realizing in specific moisturizing on opportunity, described moisturizing house steward 2, moisturizing arm 4, draw and be provided with stop valve 7 on the fish discharge jet 6.In order to control the water yield of moisturizing, be provided with flow control valve 8 on described moisturizing arm 4, the moisturizing house steward 2, be free to adjust required rate of water make-up by flow control valve 8, thereby accurately control the flow rate of water flow of fish pass import.
Water in the moisturizing pond 1 generally comes from the reservoir in downstream, but the reservoir level in downstream is lower sometimes, can't drain in the moisturizing pond 1, therefore, in order to guarantee at any time in the moisturizing pond 1 sufficient water source is arranged, be provided with priming reservoir 9,9 bottoms, priming reservoir are provided with tailwater channel water inlet 10, be provided with at least one borehole shaft driven（centrifugal）pump 11 in the priming reservoir 9, the delivery port of described borehole shaft driven（centrifugal）pump 11 is communicated with moisturizing pond 1 by water pipe, water in the tailwater channel 18 enters into by tailwater channel water inlet 10 and draws water, then utilize borehole shaft driven（centrifugal）pump 11 that the water in the priming reservoir 9 is extracted in the moisturizing pond 1 again, because tailwater channel 18 has water at any time, therefore, can guarantee that moisturizing pond 1 has sufficient water source at any time, thereby guarantee normally carrying out of moisturizing operation.
For understanding moisturizing pond 1 promptly and accurately, the water level in the priming reservoir 9, be provided with liquid level sensor 12 in described moisturizing pond 1, the priming reservoir 9, be connected with fluid level announciator 13 on the described liquid level sensor 12.
Moisturizing pond 1, priming reservoir 9 are in use for some time, can be in moisturizing pond 1, priming reservoir 9 some mud of pond bottom sediments, for the ease of clearing up these mud, in moisturizing pond 1, priming reservoir 9, be provided with proof submersible sand discharging pump 14, be connected with blow-off pipe 15 on the proof submersible sand discharging pump 14.For the sludge reflux that prevents from being drawn out of enters in moisturizing pond 1, the priming reservoir 9, be provided with flap valve 16 at blow-off pipe 15, on blow-off pipe, also the stop valve handled easily can be set.
In addition, overflow to everywhere in order to prevent the dilutional hyponatremia in the moisturizing pond 1, be provided with bleed off pipe 17 in 1 upper end, moisturizing pond, unnecessary water is discharged into the position of appointment by bleed off pipe 17, avoid water to overflow to and cause unnecessary trouble everywhere.
Claims (10)
1. fish pass import segmented water charging system, it is characterized in that: comprise moisturizing pond (1), be connected with moisturizing house steward (2) on the moisturizing pond (1), be connected with at least one moisturizing on the described moisturizing house steward (2) and be in charge of (3), described moisturizing is in charge of and is connected with a plurality of moisturizing arms (4) on (3).
2. fish pass import segmented water charging system as claimed in claim 1, it is characterized in that: the water outlet of described moisturizing arm (4) is provided with grid (5).
3. fish pass import segmented water charging system as claimed in claim 1 is characterized in that: described moisturizing is in charge of and is connected with at least one on (3) and draws fish discharge jet (6).
4. fish pass import segmented water charging system as claimed in claim 3 is characterized in that: described moisturizing house steward (2), moisturizing arm (4), draw and be provided with stop valve (7) on the fish discharge jet (6).
5. fish pass import segmented water charging system as claimed in claim 4 is characterized in that: be provided with flow control valve (8) on described moisturizing arm (4), the moisturizing house steward (2).
6. the described fish pass import of any one claim segmented water charging system in 5 according to claim 1, it is characterized in that: also comprise priming reservoir (9), bottom, priming reservoir (9) is provided with tailwater channel water inlet (10), be provided with at least one borehole shaft driven（centrifugal）pump (11) in the priming reservoir (9), the delivery port of described borehole shaft driven（centrifugal）pump (11) is communicated with moisturizing pond (1) by water pipe.
7. fish pass import segmented water charging system as claimed in claim 6 is characterized in that: be provided with liquid level sensor (12) in described moisturizing pond (1), priming reservoir (9), be connected with fluid level announciator (13) on the described liquid level sensor (12).
8. fish pass import segmented water charging system as claimed in claim 7 is characterized in that: be provided with proof submersible sand discharging pump (14) in described moisturizing pond (1), priming reservoir (9), be connected with blow-off pipe (15) on the proof submersible sand discharging pump (14).
9. fish pass import segmented water charging system as claimed in claim 8 is characterized in that: be provided with flap valve (16) on the described blow-off pipe (15).
10. fish pass import segmented water charging system as claimed in claim 1 is characterized in that: be provided with bleed off pipe (17) on the described moisturizing pond (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203616736U CN202705996U (en) | 2012-07-25 | 2012-07-25 | Sectional water supply system for fishway entrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203616736U CN202705996U (en) | 2012-07-25 | 2012-07-25 | Sectional water supply system for fishway entrance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705996U true CN202705996U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203616736U Expired - Lifetime CN202705996U (en) | 2012-07-25 | 2012-07-25 | Sectional water supply system for fishway entrance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705996U (en) |
Cited By (4)
| 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 |
| CN103614985A (en) * | 2013-12-04 | 2014-03-05 | 三峡大学 | Test method and test device for simulating ship lock fish passing |
| CN108999155A (en) * | 2018-07-16 | 2018-12-14 | 河海大学 | A kind of induction drives integrated form dam and crosses fish device and its application method |
| CN109837872A (en) * | 2017-11-26 | 2019-06-04 | 乐山通目科技有限公司 | Fish pass import water charging system |
-
2012
- 2012-07-25 CN CN2012203616736U patent/CN202705996U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN103614985A (en) * | 2013-12-04 | 2014-03-05 | 三峡大学 | Test method and test device for simulating ship lock fish passing |
| CN103614985B (en) * | 2013-12-04 | 2015-10-21 | 三峡大学 | A kind ofly simulate the experimental facilities that fish crossed by ship lock |
| CN109837872A (en) * | 2017-11-26 | 2019-06-04 | 乐山通目科技有限公司 | Fish pass import water charging system |
| CN108999155A (en) * | 2018-07-16 | 2018-12-14 | 河海大学 | A kind of induction drives integrated form dam and crosses fish device and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: HYDROCHINA CHENGDU ENGINEERING Corp. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: POWERCHINA Chengdu Engineering Corporation Limited |
|
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP CHENGDU INVESTIGATION DESIGN + R Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF SPC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: POWERCHINA Chengdu Engineering Co.,Ltd. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: HYDROCHINA CHENGDU ENGINEERING Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |