CN104018473B - Twin shaft adjustable vertical seam type fish channel and operation method thereof - Google Patents

Twin shaft adjustable vertical seam type fish channel and operation method thereof Download PDF

Info

Publication number
CN104018473B
CN104018473B CN201410284670.0A CN201410284670A CN104018473B CN 104018473 B CN104018473 B CN 104018473B CN 201410284670 A CN201410284670 A CN 201410284670A CN 104018473 B CN104018473 B CN 104018473B
Authority
CN
China
Prior art keywords
fish
baffle plate
gear
sidewall
gallery
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
Application number
CN201410284670.0A
Other languages
Chinese (zh)
Other versions
CN104018473A (en
Inventor
戴会超
闫杰
张鸿清
毛劲乔
赵倩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohai University HHU
Original Assignee
Hohai University HHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hohai University HHU filed Critical Hohai University HHU
Priority to CN201410284670.0A priority Critical patent/CN104018473B/en
Publication of CN104018473A publication Critical patent/CN104018473A/en
Application granted granted Critical
Publication of CN104018473B publication Critical patent/CN104018473B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60Ecological corridors or buffer zones

Landscapes

  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a kind of twin shaft adjustable vertical seam type fish channel and operation method thereof, this fish pass it comprise sidewall, base plate, gear track, longitudinal gear, some water holes to baffle plate, buttress, horizontal gear, adjustable opening, cross fish gallery and operation room, gear track is positioned at sidewall on the wall of side, room, pond, and longitudinal gear is positioned on gear track and also can moves along it; Baffle plate is divided into long baffle plate and short shutter, and it is disposed alternately on sidewall successively, is spaced a distance, and at Transverse to the flow direction, length baffle plate occurs in pairs; Water hole and the mistake fish gallery of adjustable opening are positioned on baffle plate; Baffle plate is connected by axle and horizontal gear with buttress, and buttress is connected with the longitudinal gear of sidewall.Mistake fish passage and energy dissipating distinguish by the present invention, providing more stable flow shape, making fish passage by the impact in energy dissipating district for crossing fish passage; Solve fish pass cross fish place flow condition bad, larger head difference can not be suitable for, cross the bad problem of fish effect.

Description

Twin shaft adjustable vertical seam type fish channel and operation method thereof
Technical field
The invention belongs to Hydraulic and Hydro-Power Engineering field, relate to fish channel structure and operation method thereof, be specifically related to a kind of twin shaft adjustable vertical seam type fish channel and operation method thereof.
Background technology
Along with the development in an all-round way of China's economic society, people recognize that hydroelectric generation is while bringing economic benefit, also define deadening to fish germplasm communication channel, cause the fragmentation in habitat.Along with constantly improving of environmental protection policy and continuing to increase of building project environment supervision, providing migration passage by building fish pass for fish, becoming one of important measures of hydroelectric project aquatic ecological protection gradually.
Migration (adverse current is up or following current the is descending) habit of fish is mainly considered in the design of fish pass, and when fish adverse current is traced back, what fish often relied on gate dam downstream current is drawn into fish pass, and fish overcome flow velocity by self strength and trace back trip to upstream in fish pass.Current fish pass is divided into primary stance fish pass, slot type fish pass, special construction pattern fish pass, pond cell-type fish pass (also known as iris type fish pass) by its structural shape.Primary stance fish pass is very close to the situation of natural river course, and main prolongation flow path and the increase roughness of relying on carrys out energy dissipating; Slot type fish pass is mainly through at cell wall and the very close all kinds of baffle-wall of bottom land arrangement pitch and whetstone bank, and dissipation energy, lower flow velocity, but the type fish pass flow turbulence is violent; Special construction pattern fish pass has unique structural shape, is generally only those aquatic organisms that can creep, can adhere to, be good at passing through thick grass gap and traces back and establish; Pond cell-type fish pass utilizes dividing plate water cushion, opposite jet flow, diffusion and friction drag to carry out energy dissipating, creates the fluidised form being suitable for fish migration, is therefore to use maximum fish pass patterns both at home and abroad at present.
At present, the pond cell-type fish channel structure adopted comprises fish pass abutment wall and multiple dividing plate, described dividing plate is arranged on fish pass abutment wall, fish pass is divided into room, multiple pond by described dividing plate, energy dissipation relies on dividing plate substantially, cause flow-shape more complicated before dividing plate, had a strong impact on the current of fish passage, and be unfavorable for the migration of fish.Such as, application number is the application for a patent for invention of 201210264529.5, discloses a kind of dividing plate and is provided with permeable perforation or seam, and permeable perforation or seam can be permeable, but not by fish.Separately have application number be 201120307777.4 utility model patent, disclose the simple adjustable vertical seam type fish channel structure of a kind of structure, be installed between dividing plate on wherein side sidewall and opposite side sidewall and leave gap, what the space between this gap and adjacent two dividing plates was linked to be " Z " font crosses fish passage.In these fish channel structures, the energy dissipating district after dividing plate had a strong impact on the flow shape of fish gallery, and energy dissipating district just of perps district, its flow shape is all very poor, is unfavorable for the migration of fish.In prior art, the passage of energy dissipating district and fish is not all distinguished by fish pass design.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is to provide a kind of fish channel structure and the method for operation thereof, makes energy dissipating district not overlap with the migration district of fish, the water fluid stable in Shi Yu migration district, and improves the effect of energy dissipation of baffle plate, be beneficial to the migration of fish.
The present invention solves the technical scheme that above technical problem adopts:
A kind of twin shaft adjustable vertical seam type fish channel, comprises sidewall, base plate, gear track, longitudinal gear, some water holes to baffle plate, buttress, horizontal gear, adjustable opening, crosses fish gallery and operation room;
Described gear track lays respectively at sidewall on the wall of side, room, pond, and described longitudinal gear is positioned on gear track, and can move along it; Described buttress is connected with sidewall by longitudinal gear, and longitudinal pinion rotation drives baffle plate along side walls, thus regulates the length of the room, pond formed between two pairs of baffle plates;
Often pair of baffle plate comprises long baffle plate and short shutter, and in the same side along water (flow) direction, long baffle plate and short shutter alternately occur; Long baffle plate and short shutter are all connected on buttress by horizontal gear and axle, rotated, and then regulate the angle of long baffle plate and short shutter and sidewall by the rotating band moving axis of horizontal gear; Described long baffle plate and short shutter are equipped with the water hole of adjustable opening and cross fish gallery.
Wherein, longitudinal gear refers to that gear shaft is positioned at horizontal direction, and gear rotates simultaneously along the gear of gear track engaged transmission being positioned at horizontal plane direction at vertical direction, horizontal gear refers to that gear shaft is positioned at vertical direction, and rotates in horizontal plane direction simultaneously along the gear of arc orbit engaged transmission on buttress.Operation room is positioned on the top platform of sidewall, and every block baffle plate has been provided with the machine of closing, and headstock gear is for the water hole of opening or cutting out adjustable opening and the gate crossed on fish gallery.There is master valve the upstream of sidewall, carrys out by the opening and closing of gate the water yield that opening and closing controls in fish pass.
Further, the cross section of described baffle plate is L shape, and described long baffle plate and short shutter are all made with stainless-steel sheet, and be surrounded by bionical crashproof layer outward, bionical lubricating layer is arranged at bottom; At Transverse to the flow direction, long baffle plate and short shutter occur in pairs, and two baffle plates and sidewall form angle.Baffle plate downstream face is all provided with camera, Real-Time Monitoring current and excessively movement pattern of fish condition.
Further, the length sum of long baffle plate and short shutter equals the overall width of room, pond, long baffle plate and short shutter altogether after the water of a room, pond can be stoped to flow into room, next pond.
Further, the water hole of adjustable opening is provided with gate, controls by the closure or openness of gate the flow flowing into room, next pond; The water hole of adjustable opening is positioned at long baffle plate and short shutter top, and it is all provided with gate.The end side of water hole near upstream of adjustable opening is all provided with blocks filter or protective screening, prevents fish from entering the water hole of adjustable opening.Meanwhile, on long baffle plate adjustable opening water hole number ratio short shutter on want many; Cross the below that fish gallery is positioned at the close sidewall portion of baffle plate, and Parallel to the flow direction is seen, fish gallery axis and water (flow) direction acutangulate excessively.Meanwhile, long baffle plate crosses large than on short shutter of fish gallery size, and cross the light source top surface in fish gallery being equipped with and attracting fish, and bottom faces is equipped with the pasture and water that can attract fish, and then attract fish to pass through from crossing fish gallery.
Further, in described operation room, comprise the information that computer returns to process camera collection, and the controller of each longitudinal gear and the action bars corresponding to horizontal gear and each gate of control.Action bars is used for regulating the rotation of longitudinal gear and horizontal gear, thus regulates rotation and the movement of length baffle plate.
The invention allows for a kind of operation method based on above-mentioned twin shaft adjustable vertical seam type fish channel, comprise the following steps:
(1) position of unlatching first pair of baffle plate is tentatively determined according to water levels of upstream and downstream difference, the water hole of closing the adjustable opening on the later all baffle plates of the second pair of baffle plate and the gate crossed on fish gallery, and the distance in adjustment often pair of baffle plate between long baffle plate (4) short shutter (5) makes its perps be zero;
(2) size of opening master valve is determined according to water levels of upstream and downstream difference, and open the water hole of adjustable opening and the gate of mistake fish gallery of first pair of baffle plate, by fluidised form and the mistake movement pattern of fish condition of current in room, camera collection first pond, judge the width in convection current energy dissipating district, and on crossing the impact of fish passage;
(3) regulate the first position to long baffle plate and short shutter by control stick, and the angle of baffle plate and sidewall, energy dissipating district be positioned in the middle of room, pond, and make energy dissipating sector width reach the narrowest till, now minimum to crossing fish pass effect;
(4) open the water hole of the adjustable opening on second pair of baffle plate and cross the gate of fish gallery, by the fluidised form of current in room, camera collection second pond with cross movement pattern of fish condition, judge convection current energy dissipating district with the position of fish passage; The position of long baffle plate and short shutter is regulated by control stick, and the angle of baffle plate and sidewall, continue the narrow energy dissipating sector width of bundle to minimum value, make energy dissipating district and cross fish passage irrelevant mutually;
(5) repeat step (4) to regulate lower a pair baffle plate, until open the gate on the water hole crossing fish gallery and adjustable opening on all baffle plates.Now, energy dissipating district with cross fish passage and separate, flow shape reaches best, now crosses fish efficiency and reaches best.
Compared with prior art, its beneficial effect is for twin shaft adjustable vertical seam type fish channel of the present invention and operation method thereof:
(1) the length baffle plate in the present invention all has the water hole of adjustable opening, and two baffle plates all have a certain degree with sidewall, can carry out convection current energy dissipating by the water of the water hole of adjustable opening in room, next pond.Inflow-rate of water turbine on long baffle plate is larger, and after convection current energy dissipating, principal direction sluices flow path direction under long baffle plate, and this water (flow) direction is just towards the long baffle plate of the next one, and next long baffle plate can carry out energy dissipating again better.
(2) the length baffle plate in the present invention is connected with buttress with horizontal gear by axle, and horizontal gear and axle drive flapper, change the angle of baffle plate and sidewall, control the position in energy dissipating district, makes energy dissipating district and cross fish passage to be independent of each other.
(3) buttress in the present invention is connected with sidewall by longitudinal gear, each sidewall there are two gear passage, can be regulated by longitudinal gear and drive the position of length baffle plate on sidewall, thus regulate the position in convection current energy dissipating district in room, next pond, make convection current energy dissipating district and cross fish passage to be independent of each other.
(4) the fish gallery of crossing in the present invention is arranged on the slug flow speed district of close bottom near bank, and cross fish gallery and have certain length, along the cross section of water (flow) direction, cross fish gallery along Cheng Shenggao, cross current in fish gallery can reach energy dissipating effect because of the hydraulic pressure of the gravity and downstream that overcome self, and little on the impact of current state.
(5) the length baffle plate in the present invention can be moved along sidewall direction by longitudinal gear, can regulate the length of room, each pond like this, thus it is poor to adapt to different water levels of upstream and downstream, and that improves fish pass crosses fish ability.
Accompanying drawing explanation
Fig. 1 is the structure chart of twin shaft adjustable vertical seam type fish channel of the present invention;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B sectional view in Fig. 1 (following current of simulation fish is descending);
Fig. 4 is the top view of Fig. 1;
Fig. 5 is room, fish pass pond current schematic diagram in the present invention;
Fig. 6 is that fish gallery internal construction schematic diagram is crossed in the present invention local;
Fig. 7 is that in the present invention, long baffle plate is connected plan view with sidewall;
Fig. 8 is that in the present invention, long baffle plate is connected top view with sidewall.
Drawing reference numeral illustrates:
1 sidewall 2 base plate 3 buttress
The water hole of 4 long baffle plate 5 short shutter 6 adjustable openings
7 cross fish gallery 8 operation room 9 closes machine
10a longitudinal gear 10b horizontal gear 11 gear track
12 light source 13 pasture and water 14 pickup cameras
15 computer 16 action bars
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in Fig. 1 to 8, twin shaft adjustable vertical seam type fish channel of the present invention, the long baffle plate 4 of polylith comprising sidewall 1, base plate 2, buttress 3 and be arranged on inside wall 1 and short shutter 5, buttress 3 there are horizontal gear 10b and axle, the top platform of sidewall 1 is provided with operation room 8, sidewall 1 is provided with gear track 11 by the wall of room, pond, and longitudinal gear 10a is positioned on gear track 11.On inside wall, every block length baffle plate 4 and short shutter 5 alternately occur.Long baffle plate 4 has water hole 6 and a mistake fish gallery 7 of three adjustable openings, short shutter 5 has water hole 6 and a mistake fish gallery 7 of two adjustable openings, as shown in Figure 2.Cross fish gallery 7 below every block baffle plate and near sidewall, along water (flow) direction, the axis crossing fish gallery 7 becomes 21o with water (flow) direction, as shown in Figure 3.In running, from long baffle plate 4 crosses the fish that fish gallery 7 passes through, great majority are by next short shutter 5 crosses fish gallery 7, and the fish that taken away by main flow direction of only a few can by next long baffle plate 4 crosses fish gallery 7, as shown in Figure 4.Convection current energy dissipating can be carried out in room, next pond, as shown in Figure 4 by the water of the water hole 6 of adjustable opening.Inflow-rate of water turbine on long baffle plate 4 is larger, and after convection current, the principal direction of current is the direction of long baffle plate 4 times sluicing streams, and this water (flow) direction is just towards the long baffle plate 4 of the next one, and next long baffle plate 4 can carry out energy dissipating again better, as shown in Figure 5.That crosses fish gallery 7 crosses the light source 12 fish channel roof face being equipped with and attracting fish, cross the pasture and water 13 of fish channel bottom face being equipped with and can attracting fish, as shown in Figure 6, in the present invention, each baffle plate is connected on sidewall 1 by buttress 3, as shown in Figure 7 and Figure 8, rotation and the movement along sidewall direction is reached by twin shaft.
On the basis of the above, according to fish pass design criterion, fish pass width is set to 6m, and long baffle plate 4 is long is 3.6m, and short shutter 5 length is 2.4m, and the length of length baffle plate is than being 3:2.Consider and intend by fish pectoral fin horizontal development distance, arrange the wide 1.5m of fish gallery excessively on long baffle plate 4, high 1m, long 1.9m, short shutter 5 crosses the wide 1m of fish gallery, high 0.8m, long 1.7m.The axis crossing fish gallery 7 becomes 21o with water (flow) direction.According to the difference of each hydraulic engineering, the water hole 6 of different adjustable openings can be offered on length baffle plate 4, generally can establish the water hole 6 of three adjustable openings on long baffle plate 4, short shutter 5 be established the water hole 6 of two adjustable openings.The water hole 6 of each adjustable opening has certain spacing, and the fish gallery 7 of crossing near fish pass center follows baffle edge to have the safe distance of 0.5m, and water hole 6 diameter dimension of adjustable opening generally can be set as 0.6m.Consider that energy dissipating district is on the impact of crossing fish passage, energy dissipating sector width is generally 1.5m ~ 2.5m.Article two, gear track 11 to be positioned on sidewall 1 vertical plane and parallel with base plate 2, and the center line of two gear tracks 11 is positioned at the third-class office of baffle plate vertical direction.
Twin shaft adjustable vertical seam type fish channel operation method of the present invention, comprises the following steps:
Apply the present invention to, on certain tributary of certain reservoir area domestic, install structure by shown in Fig. 1, be 65m in water levels of upstream and downstream difference, fish pass letdown flow is 60m 3/ soperating mode under, from the water body of upstream, a part is by the water hole 6 of the adjustable opening of long baffle plate 4, and a part is by the water hole 6 of the adjustable opening of short shutter 5, and some passes through perps.Three, in the convection current energy dissipating of room, next pond, closes the gate on the water hole 6 of the adjustable opening on the later all baffle plates of the second pair of baffle plate, and the perps between adjustment often pair of baffle plate makes it be zero substantially.Gathered the fluidised form of current in room, first pond by camera 14, when the angle of length baffle plate and sidewall is 43 °, now energy dissipating sector width is about 2.1m, crosses fish passage minimum by the impact in stream energy dissipating district.Open the gate of the water hole 6 of the adjustable opening on second pair of baffle plate, the angle of long baffle plate 4 and short shutter 5 and sidewall 1 is regulated by control stick 16, continue the narrow energy dissipating sector width of bundle, when adjustment angle is about 43 °, when room, pond length is about 8m, in first room, pond, energy dissipating sector width is about 1.6m, now crosses fish passage not by the impact in convection current energy dissipating district.
The fluidised form of current in room, second pond is gathered by camera 14, open the gate of the water hole 6 of the adjustable opening on the 3rd pair of baffle plate, regulate the angle of long baffle plate 4 and short shutter 5 and sidewall 1 by control stick 16 and adjust the angle of two baffle plates and sidewall 1, when adjustment angle is about 40 °, when room, pond length is about 7m, in second room, pond, energy dissipating sector width is about 1.8m, now crosses fish passage not by the impact in convection current energy dissipating district.
Continue the gate of the water hole 6 of the adjustable opening opened on the 4th pair of baffle plate, the fluidised form of current in the 3rd room, pond is gathered by camera 14, control stick 16 regulates the angle of long baffle plate 4 and short shutter 5 and sidewall 1, when adjust angle be about 40 °, room, pond length be about 7m time, in 3rd room, pond, energy dissipating sector width is about 1.7m, now crosses fish passage not by the impact in convection current energy dissipating district.Fish passed through fish gallery 7 migration or downstream, and some meeting of fish through serious offense fish gallery 7 be taken on the serious offense fish gallery 7 of downstream opposite side by main flow direction.Cross fish passage not by the impact in energy dissipating district, cross fish efficiency comparison high.
Visible, energy dissipating district and mistake fish passage separate by the present invention, make energy dissipating district not affect the flow shape of fish passage, ensure that the flow shape of fish gallery 7, and fish passage flow rate of water flow was reduced, and what improve fish pass crosses fish efficiency.Application prospect is good.
Although represented with reference to specific embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.

Claims (8)

1. a twin shaft adjustable vertical seam type fish channel, is characterized in that: comprise sidewall (1), base plate (2), gear track (11), longitudinal gear (10a), some water holes (6) to baffle plate, buttress (3), horizontal gear (10b), adjustable opening, cross fish gallery (7) and operation room (8);
Described gear track lays respectively at sidewall (1) on the wall of side, room, pond, and described longitudinal gear (10a) is positioned on gear track (11), and can move along it; Described buttress (3) is connected with sidewall (1) by longitudinal gear (10a), longitudinal gear (10a) rotation drives baffle plate to slide along sidewall (1), thus regulates the length of the room, pond formed between two pairs of baffle plates;
Often pair of baffle plate comprises long baffle plate (4) and short shutter (5), and in the same side along water (flow) direction, long baffle plate (4) and short shutter (5) alternately occur; Long baffle plate (4) and short shutter (5) are all connected on buttress (3) by horizontal gear (10b) and axle, the rotating band moving axis of horizontal gear (10b) rotates, and then regulates the angle of long baffle plate (4) and short shutter (5) and sidewall (1);
Described long baffle plate (4) and short shutter (5) are equipped with the water hole (6) of adjustable opening and cross fish gallery (7).
2. a kind of twin shaft adjustable vertical seam type fish channel according to claim 1, is characterized in that: the cross section of described baffle plate is L shape, and described baffle plate is steel and makes, and be surrounded by bionical crashproof layer outward, bionical lubricating layer is arranged at bottom; At Transverse to the flow direction, long baffle plate (4) and short shutter (5) occur in pairs, and two baffle plates and sidewall (1) form angle, two baffle plate downstream faces are provided with camera (14), Real-Time Monitoring current and excessively movement pattern of fish condition.
3. a kind of twin shaft adjustable vertical seam type fish channel according to claim 1, is characterized in that: the water hole (6) of adjustable opening is provided with gate, controls by the closure or openness of gate the flow flowing into room, next pond; Water hole (6) upstream side of adjustable opening is provided with and blocks filter, prevents fish from passing through from the water hole (6) of adjustable opening; Wanting on the number ratio short shutter (5) of the water hole (6) of the adjustable opening on long baffle plate (4) is many.
4. a kind of twin shaft adjustable vertical seam type fish channel according to claim 1, it is characterized in that: described fish gallery (7) is excessively positioned at the below of the close sidewall (1) of baffle plate, and Parallel to the flow direction is seen, axis and the water (flow) direction of crossing fish gallery (7) acutangulate; Large than on short shutter (5) of the size crossing fish gallery (7) on long baffle plate (4).
5. a kind of twin shaft adjustable vertical seam type fish channel according to claim 1 or 4, is characterized in that: described fish gallery (7) upstream side of crossing is provided with gate, is controlled the flow of fish gallery (7) by the closure or openness of gate; The described top surface crossed in fish gallery (7) is equipped with the light source (12) attracting fish, and bottom faces is equipped with the pasture and water (13) attracting fish, and then attract fish to pass through from crossing fish gallery (7).
6. a kind of twin shaft adjustable vertical seam type fish channel according to claim 2, is characterized in that: comprise the computer (15) of the information gathered back for the treatment of camera (14) and each longitudinal gear (10a) and the action bars (16) corresponding to horizontal gear (10b) in described operation room (8); Described action bars (16) is used for regulating the rotation of longitudinal gear (10a) and horizontal gear (10b), thus the rotation of controllable register and movement.
7. a kind of twin shaft adjustable vertical seam type fish channel according to claim 1, it is characterized in that: the length sum of long baffle plate (4) and short shutter (5) equals the overall width of room, pond, long baffle plate (4) and short shutter (5) altogether after the water of a room, pond can be stoped to flow into room, next pond.
8., based on an operation method for twin shaft adjustable vertical seam type fish channel according to claim 6, it is characterized in that, comprise the following steps:
(1) position of unlatching first pair of baffle plate is tentatively determined according to water levels of upstream and downstream difference, the water hole (6) of closing the adjustable opening on the later all baffle plates of the second pair of baffle plate and the gate crossed on fish gallery (7), and the distance in adjustment often pair of baffle plate between long baffle plate (4) and short shutter (5) makes its perps be zero;
(2) size of opening master valve is determined according to water levels of upstream and downstream difference, and open the water hole (6) of adjustable opening and the gate of mistake fish gallery (7) of first pair of baffle plate, the fluidised form of current in room, first pond is gathered by camera (14), judge the width in convection current energy dissipating district, and on crossing the impact of fish passage;
(3) the first position to long baffle plate (4) and short shutter (5) is regulated by control stick, and the angle of baffle plate and sidewall (1), energy dissipating district is made to be positioned in the middle of room, pond, and make energy dissipating sector width reach the narrowest till, now minimum to crossing fish pass effect;
(4) open the water hole (6) of the adjustable opening on second pair of baffle plate and cross the gate of fish gallery (7), gathered the fluidised form of current in room, second pond by camera (14), judge convection current energy dissipating district and the position crossing fish passage; The position of long baffle plate (4) and short shutter (5) is regulated by control stick, and the angle of baffle plate and sidewall (1), till making energy dissipating sector width continuation bundle be too narrow to minimum value, now energy dissipating district is with fish passage is irrelevant mutually excessively;
(5) repeat step (4) to regulate lower a pair baffle plate, until the water hole (6) opening the adjustable opening on all baffle plates and the gate crossed on fish gallery (7); Now, energy dissipating district with cross fish passage and separate, flow shape reaches best, now crosses fish efficiency and reaches best.
CN201410284670.0A 2014-06-23 2014-06-23 Twin shaft adjustable vertical seam type fish channel and operation method thereof Active CN104018473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410284670.0A CN104018473B (en) 2014-06-23 2014-06-23 Twin shaft adjustable vertical seam type fish channel and operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410284670.0A CN104018473B (en) 2014-06-23 2014-06-23 Twin shaft adjustable vertical seam type fish channel and operation method thereof

Publications (2)

Publication Number Publication Date
CN104018473A CN104018473A (en) 2014-09-03
CN104018473B true CN104018473B (en) 2015-11-18

Family

ID=51435446

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410284670.0A Active CN104018473B (en) 2014-06-23 2014-06-23 Twin shaft adjustable vertical seam type fish channel and operation method thereof

Country Status (1)

Country Link
CN (1) CN104018473B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404929B (en) * 2014-11-18 2016-03-23 安徽理工大学 Help and drive formula perps fish channel structure and attracting fish method thereof
CN106759166B (en) * 2017-02-03 2022-03-18 黄河勘测规划设计研究院有限公司 Multifunctional sunken shunting ecological fishway
CN107245987B (en) * 2017-05-27 2018-03-16 三峡大学 Fish monitoring system and monitoring method were visualized in vertical seam type fish channel
CN109183767B (en) * 2018-09-21 2020-06-16 扬州大学 Ship lock combined with vertical seam type fishway and using method thereof
CN110656628A (en) * 2019-11-06 2020-01-07 四川省交通勘察设计研究院有限公司 Water-stone flow diversion type debris flow decelerating dam and clearing method thereof
CN111172953B (en) * 2019-12-26 2021-05-07 重庆交通大学 Hydraulic impact rotary cylinder fishway
CN112227293B (en) * 2020-09-14 2022-06-07 西华师范大学 Fishway passing model
CN112942264B (en) 2021-02-22 2022-06-07 中国长江三峡集团有限公司 Water replenishing fishway with floating dock capable of being adjusted in self-adaptive mode
CN113062281B (en) * 2021-03-29 2022-06-07 中国长江三峡集团有限公司 Injury-reduced buffering fishway suitable for emergency flood discharge and buffering method
CN113047243B (en) * 2021-03-26 2022-07-01 中国电建集团贵阳勘测设计研究院有限公司 Vertical seam type fishway with function of overwintering field in small cable bait field
CN114804512A (en) * 2022-04-02 2022-07-29 华南师范大学 Sewage treatment device
CN114808878A (en) * 2022-06-14 2022-07-29 刘君健 Reciprocating type is wall fishway structure altogether
CN116623621A (en) * 2023-05-17 2023-08-22 湖南省水利发展投资有限公司 Fish guiding device for fishway inlet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100479226B1 (en) * 2003-10-06 2005-03-31 기인서 A auto floodgate of dam with fishway
CN202227324U (en) * 2011-08-23 2012-05-23 中国水电顾问集团华东勘测设计研究院 Adjustable vertical seam type fish channel structure
CN102758423A (en) * 2012-07-27 2012-10-31 水利部交通运输部国家能源局南京水利科学研究院 Water-permeable fishway
CN204000791U (en) * 2014-06-23 2014-12-10 河海大学 Twin shaft adjustable vertical seam type fish channel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100479226B1 (en) * 2003-10-06 2005-03-31 기인서 A auto floodgate of dam with fishway
CN1863970A (en) * 2003-10-06 2006-11-15 寄寅舒 Automatic variable fishway by water level sensed
CN202227324U (en) * 2011-08-23 2012-05-23 中国水电顾问集团华东勘测设计研究院 Adjustable vertical seam type fish channel structure
CN102758423A (en) * 2012-07-27 2012-10-31 水利部交通运输部国家能源局南京水利科学研究院 Water-permeable fishway
CN204000791U (en) * 2014-06-23 2014-12-10 河海大学 Twin shaft adjustable vertical seam type fish channel

Also Published As

Publication number Publication date
CN104018473A (en) 2014-09-03

Similar Documents

Publication Publication Date Title
CN104018473B (en) Twin shaft adjustable vertical seam type fish channel and operation method thereof
CN204000791U (en) Twin shaft adjustable vertical seam type fish channel
CN104480914B (en) The fish pass structure that fish pass combines with ship lock and method
CN102747716B (en) Vertical seam type fishway structure
CN204212122U (en) A kind of fish pass
CN108086260B (en) Differential type High-low Bucket Energy Dissipation Building-height falls bank type stilling pond system and energy dissipating method
CN103452077B (en) Power station fish pass import attracting moisturizing experimental facilities
CN205662909U (en) Take perps formula fishway in rest pond
CN106320293B (en) A kind of pivot gate for fish pass import
CN110210109B (en) Numerical simulation method and system for reverse water flow of weir gate engineering in river network
CN203320495U (en) Fish lock
CN106567368A (en) Facility for fishes to pass through dam
CN201915368U (en) Dam structure with water flow self-dissipation and energy-dissipation function
CN205242502U (en) Layered water taking structure
CN110552335A (en) Arrangement method of fishway inlet dispersed water replenishing system with bottom stilling pool
CN202090383U (en) Double-vertical shaft gate-controlled type surface-layer water getting facility
CN107975016A (en) Compound fish pass system on Narrow Valleys landform dam
CN204940217U (en) A kind of ultra-large type plane splits arc triangle gate
WO2022016868A1 (en) Spur dike with movable water-permeable piles and method for operating same
CN202688968U (en) Vertical connection type fishway
CN204825814U (en) Rotatory gate -type fishway of hydrodynamic force
CN205975522U (en) Formula of swaing water sluicegate equipment that control performance is good
CN210636400U (en) Fishway radius-variable spiral tower type multi-inlet or multi-outlet structure
CN107700442A (en) Export structure for fish pass system
CN208917798U (en) A kind of stacked combination formula gate for fish pass import

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant