CN217629677U - System for step ship lock utilizes bubble curtain to cross fish - Google Patents
System for step ship lock utilizes bubble curtain to cross fish Download PDFInfo
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- CN217629677U CN217629677U CN202221108564.3U CN202221108564U CN217629677U CN 217629677 U CN217629677 U CN 217629677U CN 202221108564 U CN202221108564 U CN 202221108564U CN 217629677 U CN217629677 U CN 217629677U
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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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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Abstract
The utility model provides a system for step ship lock utilizes bubble curtain to cross fish, the lock chamber bilateral symmetry of the single lock of step ship lock is equipped with bubble curtain injection board, the jet orifice on the bubble curtain injection board is used for spraying the bubble curtain, bubble curtain injection board passes through the jet angle that pneumatic cylinder control adjustment bubble curtain sprayed, the lock chamber one end bilateral symmetry of the single lock of step ship lock is equipped with and keeps off fish injection board, it sets up perpendicularly to keep off fish injection board, it forms the bubble curtain that keeps off the fish to keep off fish injection board, the upper reaches induced channel both sides are equipped with a plurality of upstream bubble curtain injection boards, the lower reaches induced channel bilateral symmetry is equipped with a plurality of low reaches and draws fish injection board, bubble curtain injection board and bubble curtain pump intercommunication. The bubble curtain has the functions of attracting, driving and blocking fish as an important fish attracting and driving means, and has the characteristics of low cost, no pollution, no damage to fish and the like compared with other fish attracting and driving modes.
Description
Technical Field
The utility model belongs to the technical field of step ship lock crosses the fish field and specifically relates to a step ship lock utilizes bubble curtain to cross system of fish.
Background
The water conservancy project construction destroys the connectivity of natural rivers to a certain extent, obstructs migration paths of original migration fishes, delays the migration process of the fishes, and finally causes the reduction of the diversity of aquatic biological resources. Therefore, various types of fish passing facilities are built to help fish migration. Wherein, the fish inducing and driving measures are of great importance in improving the operation and implementation processes of the fish passing facilities. The ship lock is a building which is required to be built in a river with navigation requirements, and the problem of ship crossing a dam is solved by changing the water level of water in a lock chamber through a built-in water filling and draining lock and alternately opening and closing an upstream gate and a downstream gate. At present, only the requirement of ship passing is considered in the design of the ship lock, and the quantity of fishes naturally passing through the ship lock is small.
At present, in the process of using a ship lock to pass fish, the guidance of fish schools is also very important, and chinese patent CN103485314B discloses a device and a method for using a ship lock to pass fish, wherein a water flow generating device is used to play a role in guiding fish and driving fish schools, but because the water flow generated by the water flow generating device easily generates water flow vortexes, and the water flow easily damages the fish schools, the fish passing effect is poor, and the fish schools are also easily trapped by the water flow vortexes.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a step ship lock utilizes the system that the fish was crossed to the bubble curtain, solves the ship lock design and has only considered the demand of crossing the ship, and the little problem of fish quantity that the ship lock passes through naturally.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a system for step ship lock utilizes bubble curtain to cross fish, the lock chamber bilateral symmetry of the single lock of step ship lock is equipped with bubble curtain injection plate, jet orifice on the bubble curtain injection plate is used for spraying the bubble curtain, bubble curtain injection plate passes through the jet angle that pneumatic cylinder control adjusted bubble curtain sprays, the lock chamber one end bilateral symmetry of the single lock of step ship lock is equipped with and keeps off fish injection plate, it sets up perpendicularly to keep off fish injection plate, it forms the bubble curtain wall that keeps off the fish to keep off fish injection plate, upper reaches fairway both sides are equipped with a plurality of up-flow bubble curtain injection plates, lower reaches fairway bilateral symmetry is equipped with a plurality of low reaches and draws fish injection plate, bubble curtain injection plate and bubble curtain pump machine intercommunication.
In the preferred scheme, downstream approach channel river course bottom is equipped with a plurality of fixed bubble curtain injection boards, and fixed bubble curtain injection board sets up towards the slope of upstream approach channel direction.
In the preferred scheme, the bubble curtain jet plates on the side walls of the step ship lock are all obliquely arranged, and form an acute angle with the bottom of the channel, and the inclination angle is 30-70 degrees.
In the preferred scheme, the upstream navigation channel and the first stage of the gate chamber inside the first stage of the bubble curtain injection plate, the upstream bubble curtain injection plate and the first stage of the fish blocking injection plate are communicated with a third bubble curtain pump, and electric valves are arranged between the third bubble curtain pump and the first stage of the bubble curtain injection plate, between the third bubble curtain pump and the upstream bubble curtain injection plate and between the third bubble curtain pump and the first stage of the fish blocking injection plate.
In the preferred scheme, a plurality of second level bubble curtain injection plates and the second level that the second level lock chamber is inside keep off fish injection plate and second bubble curtain pump machine intercommunication, and second bubble curtain pump machine and second level bubble curtain injection plate and second level keep off the fish and spray and all be equipped with electric valve between the board.
In the preferred scheme, fish injection board and fixed bubble curtain injection board and first bubble curtain pump machine intercommunication are drawn to a plurality of low reaches inside the channel of leading, all are equipped with the electric valve between first bubble curtain pump machine and low reaches guide fish injection board and the fixed bubble curtain injection board.
In the preferred scheme, bubble curtain jet plate both ends are equipped with the dwang, and the dwang middle part is rotated with the wall body and is connected, and the dwang tail end is rotated with the piston rod of pneumatic cylinder and is connected, and the pneumatic cylinder body rotates with the wall body and is connected.
In the preferred scheme, first order floodgate room and the inside shoal of fish monitoring devices that all is equipped with of second level floodgate room.
The utility model provides a step ship lock utilizes system that the fish was crossed to bubble curtain, utilize bubble curtain injection plate to form the bubble curtain, the injection angle formation of bubble curtain injection plate draws the fish effect, the bubble curtain forms the chute of direction under the effect of the bubble curtain injection plate of symmetry, preceding bubble curtain injection plate draws the fish effect, hou mian bubble curtain injection plate plays the increase tolerance and plays and catch up the fish effect, the bubble curtain has the attraction to the fish as an important fish means of driving of luring, drive and block the effect, it has with low costs to compare other fish modes of luring to drive has, pollution-free and do not have characteristics such as hindering to the fish.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is a schematic view of the arrangement of the bubble curtain jet plate of the present invention;
FIG. 2 is a schematic view of the flow of the bubble curtain jet plate of the present invention;
FIG. 3 is a schematic top view of the bubble curtain jet plate of the present invention;
FIG. 4 is a view of the angle adjustment installation structure of the bubble curtain injection plate of the present invention;
FIG. 5 is a structural diagram of the angle adjustment of the bubble curtain injection plate of the present invention;
in the figure: an upstream approach channel 1; an upstream bubble curtain injection plate 2; a first stage bubble curtain jet plate 3; a first stage lock chamber 4; a first-stage fish blocking jet plate 5; a gate 6; a second stage lock chamber 7; a second stage bubble curtain jet plate 8; a second-stage fish-blocking jet plate 9; a downstream approach lane 10; a downstream fish-leading jet plate 11; a fixed bubble curtain jet plate 12; a first bubble curtain pump 13; a second bubble curtain pump 14; a third bubble curtain pump 15; a first shoal monitoring device 16; a second shoal monitoring device 17; a wall 18; an opening 19; turning the rod 20; and a hydraulic cylinder 21.
Detailed Description
As shown in fig. 1 to 5, in a system for a cascade lock to pass fish by using a bubble curtain, bubble curtain injection plates are symmetrically arranged on two sides of a lock chamber of a single lock of the cascade lock, injection holes on the bubble curtain injection plates are used for injecting the bubble curtain, the injection angle of the bubble curtain injection is controlled and adjusted by a hydraulic cylinder 21, fish blocking injection plates are symmetrically arranged on two sides of one end of the lock chamber of the single lock of the cascade lock, the fish blocking injection plates are vertically arranged, the fish blocking injection plates form a bubble curtain wall for blocking fish, a plurality of upstream bubble curtain injection plates 2 are arranged on two sides of an upstream navigation channel 1, a plurality of downstream fish guiding injection plates 11 are symmetrically arranged on two sides of a downstream navigation channel 10, and the bubble curtain injection plates are communicated with a bubble curtain pump. Utilize the bubble curtain to spray the board and form the bubble curtain, the injection angle formation of bubble curtain injection board draws the fish effect, the bubble curtain forms the chute of direction under the effect of the bubble curtain injection board of symmetry, preceding bubble curtain injection board draws the fish effect, hou mian bubble curtain injection board plays the increase tolerance and plays and catch up the fish effect, the bubble curtain has the attraction to the fish as an important fish means of driving of luring, drive and block the effect, compare other fish modes of luring and driving and have with low costs, pollution-free and do not have characteristics such as hinder to the fish. However, domestic researches on the influence of the bubble curtain on the behavior of the fishes are relatively few, the research on the mechanism is shallow, and the development degree needs to be improved.
In the preferred scheme, the 10 river course bottoms in low reaches diversion channel are equipped with a plurality of fixed bubble curtain injection plates 12, and fixed bubble curtain injection plates 12 sets up towards 1 direction slope in high reaches diversion channel. The bottom of the river channel of the downstream approach channel 10 is sprayed with the bubble curtain, the fish school can be driven or guided by the bubble curtain at the bottom of the river channel of the downstream approach channel 10, the river channel of the downstream approach channel 10 is deeper, and the fixed bubble curtain spraying plate 12 is matched with the downstream fish guiding spraying plate 11 for use, so that the fish school is guided and driven to achieve a better internal effect of the second-stage bubble curtain spraying plate 8.
In the preferred scheme, the bubble curtain jet plates on the side walls of the step ship lock are all obliquely arranged, and form an acute angle with the bottom of the channel river, and the inclination angle is 30-70 degrees. As shown in fig. 1-2, the side-wall-mounted bubble curtain injection plates are all disposed obliquely because the water pressure at the lower end of the bubble curtain injection plate is greater than the water pressure at the upper end of the bubble curtain injection plate.
If the bubble curtain jet plate is vertically arranged, the lower end of the bubble curtain jet plate can rise along with buoyancy after jetting bubbles, the bubble jet at the upper end of the bubble curtain jet plate can mix with the bubbles at the lower end to generate entrainment effect, in order to prevent the entrainment effect, the inclined arrangement is adopted, the lower end of the bubble curtain jet plate is in the front of the jet orifice, the upper end of the bubble curtain jet plate is in the rear of the jet orifice, the upper end of the bubble curtain jet plate can not mix with the bubbles at the lower end to generate entrainment effect, and the formed inclined bubble curtain has good fish-guiding effect.
In the preferred scheme, the first order bubble curtain injection plate 3, the upstream bubble curtain injection plate 2 and the first order of 4 insides of first order sluice chambers are drawn channel 1 and the upper reaches keep off fish injection plate 5 and are communicated with third bubble curtain pump 15, and third bubble curtain pump 15 and first order bubble curtain injection plate 3, upstream bubble curtain injection plate 2 and first order keep off the fish and all are equipped with electric valve between injection plate 5. The third bubble curtain pump 15 provides the power of tolerance for first order bubble curtain injection plate 3, upstream bubble curtain injection plate 2 and first order fender fish injection plate 5.
In the preferred scheme, a plurality of second level bubble curtain injection plates 8 and second level fish blocking injection plates 9 in the second level lock chamber 7 are communicated with a second bubble curtain pump 14, and electric valves are arranged between the second bubble curtain pump 14 and the second level bubble curtain injection plates 8 and between the second level fish blocking injection plates 9. The second bubble curtain pump 14 provides the second stage bubble curtain jet plate 8 and the second stage fish baffle jet plate 9 with the power of air flow.
In the preferred scheme, a plurality of downstream fish guiding injection plates 11 and fixed bubble curtain injection plates 12 in the downstream navigation channel 10 are communicated with a first bubble curtain pump 13, and electric valves are arranged between the first bubble curtain pump 13 and the downstream fish guiding injection plates 11 and the fixed bubble curtain injection plates 12. The first bubble curtain pump 13 provides the downstream fish guiding jet plate 11 and the fixed bubble curtain jet plate 12 with the power of air flow.
In the preferred scheme, bubble curtain jet plate both ends are equipped with dwang 20, and the dwang 20 middle part is rotated with wall 18 and is connected, and the piston rod of dwang 20 tail end and pneumatic cylinder 21 rotates and is connected, and pneumatic cylinder 21 cylinder body rotates with wall 18 and is connected. Pneumatic cylinder 21 control bubble curtain injection plate's turned angle, conveniently adjust the injection angle of bubble curtain injection plate, conveniently draw the fish and drive the shoal of fish.
In the preferred scheme, the inside fish shoal monitoring devices that all are equipped with of first order floodgate room 4 and second level floodgate room 7. The fish school monitoring device monitors fish schools in the lock chamber.
Example 2
As further described with reference to embodiment 1, with the structure shown in fig. 1-5, the first bubble curtain pump 13 is turned on, the fixed bubble curtain jet plate 12 is turned on, the downstream fish guiding jet plate 11 is in a closed state, the first bubble curtain pump 13 provides 15-30L/min of air for the fixed bubble curtain jet plate 12, and the fixed bubble curtain jet plate 12 guides the fish swarm into the downstream navigation channel 10.
After the shoals of fish enter the downstream navigation channel 10, the downstream gate 6 of the second-stage gate chamber 7 is opened, after the water level of the second-stage gate chamber 7 is flush with that of the downstream navigation channel 10, the downstream fish guiding jet plate 11 and the fixed bubble curtain jet plate 12 are simultaneously opened, the downstream fish guiding jet plate 11 adjusts the inclination angle to face the second-stage gate chamber 7, the first bubble curtain pump 13 provides 30-45L/min air flow, and the shoals of fish are guided to be driven into the second-stage gate chamber 7.
Inside second shoal monitoring devices 17 monitoring shoal of fish of second stage lock chamber 7 whether enters into second stage lock chamber 7 inside, the shoal of fish enters into second stage lock chamber 7 inside back, and the second stage keeps off fish injection plate 9 and opens and form the bubble curtain wall, and the bubble curtain wall prevents shoal of fish from wandering back, closes the gate 6 in second stage lock chamber 7 low reaches, opens the inside second stage bubble curtain injection plate 8 of second stage lock chamber 7, the 4 direction slopes of orientation towards first stage lock chamber of second stage bubble curtain injection plate 8.
The air flow sprayed by the second-stage bubble curtain spraying plate 8 is 15-30L/min, fish enters the upstream position of the second-stage lock chamber 7 according to the flowing direction of the bubble curtain of the second-stage bubble curtain spraying plate 8, and after the water level of the second-stage lock chamber 7 is flush with the water level of the first-stage lock chamber 4, the gate 6 at the downstream of the first-stage lock chamber 4 is opened.
The air quantity sprayed by the second-stage air bubble curtain spraying plate 8 reaches 30-45L/min, meanwhile, the first-stage air bubble curtain spraying plate 3 in the first-stage gate chamber 4 is opened, the air quantity sprayed by the first-stage air bubble curtain spraying plate 3 is 15-30L/min, the air quantity sprayed by the second-stage air bubble curtain spraying plate 8 is increased, the air quantity sprayed by the first-stage air bubble curtain spraying plate 3 is increased to drive fish schools, the first-stage air bubble curtain spraying plate 3 is opened to start introducing the fish schools, the fish schools enter the first-stage gate chamber 4, and the second-stage air bubble curtain spraying plate 8 and the second-stage fish blocking spraying plate 9 are closed.
The inside first shoal of fish monitoring devices 16 monitoring shoal of first order lock chamber 4, the shoal of fish enters into the inside back of first order lock chamber 4, and first order keeps off fish injection plate 5 and opens and form the bubble curtain, and the bubble curtain prevents the shoal of fish from wandering back.
The direction of adjustment of a first-stage bubble curtain jet plate 3 of a first-stage lock chamber 4 faces the position of an upstream navigation channel 1, the fish school is introduced to the upstream position of the first-stage lock chamber 4 by the first-stage bubble curtain jet plate 3, after the upstream navigation channel 1 is flush with the water level inside the first-stage lock chamber 4, a gate 6 at the upstream of the first-stage lock chamber 4 is opened, the jet air quantity of the first-stage bubble curtain jet plate 3 reaches 45-50L/min, and the fish school is driven to the upstream navigation channel 1 from the first-stage lock chamber 4.
And after the shoal of fish leaves the first-stage lock chamber 4, the first-stage bubble curtain injection plate 3 and the first-stage fish blocking injection plate 5 are closed, the gate 6 of the upstream approach channel 1 is closed, and the step ship lock is completed to pass the fish.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. The utility model provides a system for step ship lock utilizes bubble curtain to cross fish which characterized by: the lock chamber bilateral symmetry of single lock of step ship lock is equipped with bubble curtain injection plate, jet orifice on the bubble curtain injection plate is used for spraying the bubble curtain, the jet angle that the bubble curtain sprays is adjusted in the control of bubble curtain injection through pneumatic cylinder (21) to the bubble curtain injection plate, the lock chamber one end bilateral symmetry of single lock of step ship lock is equipped with and keeps off fish injection plate, it sets up perpendicularly to keep off fish injection plate, it forms the bubble curtain wall that keeps off the fish to keep off fish injection plate, upper reaches induced channel (1) both sides are equipped with a plurality of up-flow bubble curtain injection plates (2), low reaches induced channel (10) bilateral symmetry is equipped with a plurality of low reaches induced fish injection plates (11), bubble curtain injection plate and bubble curtain pump machine intercommunication.
2. The system of claim 1, wherein the step lock is configured to pass fish through with a bubble curtain, the system comprising: a plurality of fixed bubble curtain jet plates (12) are arranged at the bottom of a river channel of the downstream navigation channel (10), and the fixed bubble curtain jet plates (12) are obliquely arranged towards the upstream navigation channel (1).
3. The system of claim 1, wherein the step lock is configured to pass fish through with a bubble curtain, the system comprising: the bubble curtain jet plates on the side walls of the step ship lock are all obliquely arranged, and form an acute angle with the bottom of the channel, and the inclination angle is 30-70 degrees.
4. The system of claim 1, wherein the step lock is configured to pass fish through with a bubble curtain, the system comprising: the first-stage bubble curtain injection plate (3), the upstream bubble curtain injection plate (2) and the first-stage fish blocking injection plate (5) inside the upstream navigation channel (1) and the first-stage lock chamber (4) are communicated with a third bubble curtain pump machine (15), and electric valves are arranged between the third bubble curtain pump machine (15) and the first-stage bubble curtain injection plate (3), between the upstream bubble curtain injection plate (2) and the first-stage fish blocking injection plate (5).
5. The system of claim 1, wherein the ladder lock uses a bubble curtain to pass fish, the system comprising: a plurality of second level bubble curtain injection plates (8) and a second level fish blocking injection plate (9) inside a second level lock chamber (7) are communicated with a second bubble curtain pump machine (14), and electric valves are arranged between the second bubble curtain pump machine (14) and the second level bubble curtain injection plates (8) and between the second level fish blocking injection plates (9).
6. The system of claim 1, wherein the step lock is configured to pass fish through with a bubble curtain, the system comprising: a plurality of downstream fish guiding jet plates (11) and fixed bubble curtain jet plates (12) in the downstream navigation channel (10) are communicated with a first bubble curtain pump (13), and electric valves are arranged between the first bubble curtain pump (13) and the downstream fish guiding jet plates (11) and the fixed bubble curtain jet plates (12).
7. The system of claim 1, wherein the ladder lock uses a bubble curtain to pass fish, the system comprising: the two ends of the bubble curtain spraying plate are provided with rotating rods (20), the middle of each rotating rod (20) is rotatably connected with the wall body (18), the tail end of each rotating rod (20) is rotatably connected with a piston rod of a hydraulic cylinder (21), and a cylinder body of each hydraulic cylinder (21) is rotatably connected with the wall body (18).
8. The system of claim 1, wherein the step lock is configured to pass fish through with a bubble curtain, the system comprising: the first-stage lock chamber (4) and the second-stage lock chamber (7) are internally provided with fish school monitoring devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221108564.3U CN217629677U (en) | 2022-05-10 | 2022-05-10 | System for step ship lock utilizes bubble curtain to cross fish |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221108564.3U CN217629677U (en) | 2022-05-10 | 2022-05-10 | System for step ship lock utilizes bubble curtain to cross fish |
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| CN217629677U true CN217629677U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221108564.3U Active CN217629677U (en) | 2022-05-10 | 2022-05-10 | System for step ship lock utilizes bubble curtain to cross fish |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855690A (en) * | 2022-05-10 | 2022-08-05 | 水利部中国科学院水工程生态研究所 | System and method for step ship lock to pass fish by using bubble curtain |
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2022
- 2022-05-10 CN CN202221108564.3U patent/CN217629677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855690A (en) * | 2022-05-10 | 2022-08-05 | 水利部中国科学院水工程生态研究所 | System and method for step ship lock to pass fish by using bubble curtain |
| CN114855690B (en) * | 2022-05-10 | 2024-01-09 | 水利部中国科学院水工程生态研究所 | System and method for passing fish through bubble curtain by step ship lock |
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