CN218346113U - Fishway capable of intercepting floating garbage - Google Patents

Fishway capable of intercepting floating garbage Download PDF

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Publication number
CN218346113U
CN218346113U CN202222784191.8U CN202222784191U CN218346113U CN 218346113 U CN218346113 U CN 218346113U CN 202222784191 U CN202222784191 U CN 202222784191U CN 218346113 U CN218346113 U CN 218346113U
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China
Prior art keywords
trash
blocking
water
channel
fishway
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CN202222784191.8U
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Chinese (zh)
Inventor
颜韬
王佳芃
张俊芳
张伟举
毛劲乔
戴杰
陆鹏
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Hohai University HHU
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Hohai University HHU
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    • 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

Abstract

The utility model discloses a fishway capable of intercepting floating garbage, which comprises a fishway body, wherein one end of the fishway body positioned at the downstream is a fish inlet, one end of the fishway body positioned at the upstream is a fish outlet, one side of the fishway body is provided with a trash blocking channel in a groove shape, one end of the trash blocking channel is an inlet, and the other end of the trash blocking channel is an outlet; the inlet of the trash holding channel is communicated with the fish outlet, and the outlet of the trash holding channel is communicated with the downstream fishway body; the inlet of the trash holding channel is provided with a fish holding electric fence which can prevent fish from entering the trash holding channel; a blocking net capable of blocking floating garbage is arranged in the trash blocking channel; the fish way body is provided with a fish outlet, a trash rack is arranged at the fish outlet, and a channel for passing fish is arranged between the trash rack and the bottom wall of the fish way body.

Description

Fishway capable of intercepting floating garbage
Technical Field
The utility model belongs to the technical field of the fishway, concretely relates to can intercept floating garbage's fishway.
Background
The fish way is a hydraulic structure built near a river-blocking structure and used for communicating upstream and downstream of a river to pass fishes, and is an artificial channel for fishes to pass through buildings such as gates, dams and the like after tracing the river or natural barriers. Consequently through setting up the fishway, can reduce because of hydraulic engineering construction to the influence of aquatic ecology, so the fishway plays important effect to maintaining aquatic biodiversity and aquatic ecosystem balance.
The fishway generally comprises an inlet, a tank body, an outlet, an inducing facility and the like, and the fishway in the prior art has the following problems in the operation process: upstream floating garbage can flow into the fishway along with water flow, and the floating garbage can form blockage in the fishway or at the outlet of the fishway to prevent fishes from passing through the fishway; therefore, the floating garbage blocked in the fishway can affect the fish passing effect of the fishway.
Therefore, a fishway capable of intercepting floating garbage is needed, so that the fishway does not influence fish due to blocking of the floating garbage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can intercept floating garbage's fishway, fishway of solving among the prior art can be because of floating garbage's jam, and influences the technical problem that the fishway crossed the fish effect.
The utility model provides a scheme that its technical problem adopted is:
a fishway capable of intercepting floating garbage comprises a fishway body, wherein a fish inlet is formed in one end, located at the downstream, of the fishway body, a fish outlet is formed in one end, located at the upstream, of the fishway body, a groove-shaped trash blocking channel is arranged on one side of the fishway body, one end of the trash blocking channel is an inlet, and the other end of the trash blocking channel is an outlet; the inlet of the trash holding channel is communicated with the fish outlet, and the outlet of the trash holding channel is communicated with the downstream fishway body; the inlet of the trash holding channel is provided with a fish holding electric fence which can prevent fish from entering the trash holding channel; a blocking net capable of blocking floating garbage is arranged in the trash blocking channel; a trash rack is arranged at the position of the fish outlet of the fishway body, and a channel for passing fish is arranged between the trash rack and the bottom wall of the fishway body; the floating garbage on the water surface of the water body entering the fishway body flows into the trash blocking channel along with the water flow and is blocked in the trash blocking channel by the blocking net.
The fish enters the fishway body from the fish inlet, leaves the fishway body from the fish outlet and flows upstream, and the water flow flows along the opposite direction; the floating garbage and water enter the trash holding channel together from the inlet of the trash holding channel, wherein the garbage is intercepted by the trash rack, and the water flows out from the outlet of the trash holding channel.
The trash rack is used for intercepting floating garbage which enters the fishway body; the trash rack is arranged at the position of the fish outlet of the fishway body, is close to the inlet of the trash rack channel and inclines towards the direction of the inlet of the trash rack channel, so that floating garbage intercepted by the trash rack flows into the trash rack channel along with water flow as much as possible, is intercepted by the blocking net and then is intensively cleaned manually, and if the trash is retained on the trash rack, manual cleaning is needed; a channel for passing fish is arranged between the trash rack and the bottom wall of the fishway body, so that the fish passing of the fishway body cannot be influenced by the trash rack; through setting up the electric fish blocking fence, when making fish travel to the position of fish outlet, the electric fish blocking fence can prevent fish and get into trash blocking channel, has great clearance between the adjacent grid of electric fish blocking fence simultaneously, can pass through most floating garbage, if when having floating garbage by the electric fish blocking fence interception, needs the artifical clearance of clearance personnel.
Further, an air curtain generator is arranged at a position, close to the inlet, of the trash blocking channel and is positioned at the upstream of the blocking net.
Through setting up the air curtain generator, can form the air curtain in blocking dirty passageway, make the sound in aqueous, drive fish, avoid fish to swim to blocking dirty passageway.
The sewage treatment system further comprises a water pump and two water gates, wherein the two water gates are sequentially marked as a first water gate and a second water gate, the first water gate is arranged on the sewage blocking channel and close to the inlet, the second water gate is arranged on the sewage blocking channel and close to the outlet, and the blocking net is positioned between the two water gates; install two water pipes on blocking dirty passageway, mark as first water pipe and second water pipe in proper order, the one end of first water pipe is installed on blocking dirty passageway between block net and the first sluice, and the one end of second water pipe is installed on the trash blocking passageway in second sluice low reaches, and the other end of first water pipe and second water pipe passes through the water pump intercommunication.
When the garbage in the trash blocking channel needs to be cleaned, the second sluice is closed after the first sluice is closed, so that water in the upstream and downstream cannot flow into the trash blocking channel between the two sluice; then, a water pump is started, accumulated water between the two water gates is pumped out, and then garbage intercepted by the blocking net is cleaned; after the cleaning is finished, the two water gates are opened, so that the trash blocking channel is enabled to intake water, and the trash entering the trash blocking channel is intercepted.
Furthermore, an interception net capable of intercepting fish is arranged at the outlet of the trash blocking channel.
Because the export of trash holding channel and the fishway body intercommunication of low reaches, so through setting up the interception net, can avoid fish to get into trash holding channel through trash holding channel's export.
Further, the trash holding channel sequentially comprises a water inlet section, a trash holding section and a water discharging section along the water flow direction, and the water inlet section, the trash holding section and the water discharging section are integrally formed; the water inlet section is horizontally arranged and is communicated with the fish outlet, the bottom wall of the water inlet section is higher than the bottom wall of the fish outlet, and the fish blocking electric fence, the first water gate and the air curtain generator are arranged in the water inlet section; the trash blocking section is horizontally arranged, the bottom wall of the trash blocking section is lower than that of the water inlet section, the width of the trash blocking section is larger than that of the water inlet section, and the blocking net is arranged in the trash blocking section; the drainage section is horizontally arranged, the bottom wall of the drainage section and the bottom wall of the trash blocking section are at the same height, and a second sluice and an interception net are arranged in the drainage section and are communicated with a downstream fishway body; one end of the first water pipe is arranged at the water inlet section, and one end of the second water pipe is arranged at the water drainage section.
The bottom wall of the water inlet section of the trash blocking channel is higher than the bottom wall of the fish outlet, so that floating garbage and surface water flow can flow into the water inlet section, and most of the water flow enters the fishway body, so that more water can be prevented from entering the trash blocking channel; the width through making trash holding section is greater than the width of the section of intaking, can set up great block like this, and the increase holds the volume of floating rubbish, reduces the number of times of clearing up rubbish relatively.
Further, a support is arranged on the fishway body, and a camera and an ultrasonic water level meter are mounted on the support.
By arranging the camera, the fish entering condition of the fishway body can be monitored; by setting the ultrasonic water level gauge, the water level of the corresponding position can be monitored.
The utility model has the advantages that:
1. the trash rack is used for intercepting floating garbage which enters the fishway body; the trash rack is arranged at the position of the fish outlet of the fishway body, is close to the inlet of the trash rack channel and inclines towards the direction of the inlet of the trash rack channel, so that floating garbage intercepted by the trash rack flows into the trash rack channel along with water flow as much as possible along the trash rack channel, is intercepted by the trash rack, and then is intensively cleaned manually; therefore, the floating garbage can be prevented from entering the fishway body, the fishway body is blocked, and the fish passing effect of the fishway body is influenced.
2. Through making the fishway body with block dirty passageway and separately set up, can avoid floating rubbish to block up the fishway body, can guarantee again to carry out rubbish clearance in blocking dirty passageway when, can not influence the normal passing through of fish in the fishway body.
3. Through setting up the electric fence of blocking fish, when making fish swim to the position of fish outlet, the electric fence of blocking fish can prevent fish to get into trash holding channel.
Drawings
Fig. 1 shows the overall structure of the present invention.
Fig. 2 showsbase:Sub>A view frombase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 shows a schematic structural view of the trash rack.
Fig. 4 shows a schematic view of the structure of the air curtain generator.
Fig. 5 shows a schematic structural view of the floodgate.
Fig. 6 shows a schematic structure of the intercepting net.
Parts, elements and numbering in the drawings: the fish-catching device comprises a trash blocking channel 1, a fish way body 2, a fish inlet 3, a trash blocking section 4, an air curtain generator 5, an air blower 51, an exhaust pipe 52, a catch net 6, a catch net frame 61, a trash blocking fence 7, a fence 71, a trash blocking fence frame 72, a support 8, a camera 81, an ultrasonic water level meter 82, a first water gate 9, a hoist 91, a gate frame 92, a gate 93, a water pipe 10, a water pump 11, a second water gate 12, a fish outlet 13, a water discharging section 14, a fish blocking electric fence 15 and a blocking net 16.
Detailed Description
The following description is given for the detailed description of the present invention and the accompanying drawings for clarity and completeness of description of the technical solution of the present invention, it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a fishway capable of intercepting floating garbage comprises a fishway body 2, wherein a fish inlet 3 is arranged at one end of the fishway body 2 at the downstream, a fish outlet 13 is arranged at one end of the fishway body 2 at the upstream, a groove-shaped trash blocking channel 1 is arranged at one side of the fishway body 2, an inlet is arranged at one end of the trash blocking channel 1, and an outlet is arranged at the other end of the trash blocking channel 1; the inlet of the trash holding channel 1 is communicated with the fish outlet 13, and the outlet of the trash holding channel 1 is communicated with the downstream fishway body 2; the inlet of the trash holding channel 1 is provided with a fish holding electric fence 15 which can prevent fish from entering the trash holding channel; a barrier net 16 capable of intercepting floating garbage is arranged in the trash blocking channel 1; a trash rack 7 is arranged at the position of the fish outlet 13 of the fishway body, and a channel for passing fish is formed between the trash rack 7 and the bottom wall of the fishway body 2; the floating garbage on the water surface of the water body entering the fishway body 2 flows into the trash holding channel 1 along with the water flow and is intercepted in the trash holding channel 1 by the barrier net 16.
In this embodiment, the electric fish-blocking fence 15 is a conventional one, and an electric field is formed in water by using an electrified electrode fence to prevent fish from entering the trash-blocking passage 1, the electric fish-blocking fence 15 can be divided into a buried type, a floating type and a suspended type, in this embodiment, the suspended type is adopted, the arrangement of the fence type is adopted, the electrodes are vertically suspended in water, each electrode and its suspended structure are suspended on a main suspension cable crossing the trash-blocking passage, and the power supply is arranged outside the trash-blocking passage. The fish blocking electric fence 15 is obliquely arranged and is inclined from upstream to downstream, fish coming out from the fish outlet immediately swims upstream under the driving action of the obliquely arranged fish blocking electric fence 15, and at the moment, the fish blocking electric fence 15 plays a role in guiding the swimming direction.
In this embodiment, the fishway body 2 is in a groove shape, and includes a bottom plate of the fishway body and two side plates located at two sides of the bottom plate; the both ends of fishway body are uncovered, and its one end is play fish mouth 13, and its other end is into fish mouth 3, is equipped with the opening on one side curb plate of fishway body 2, blocks the export and the fishway body 2 intercommunication of dirty passageway 1 through this opening.
As shown in fig. 1 and 3, in the present embodiment, the trash rack 7 includes a rack 71 and a trash rack frame 72, the trash rack frame 72 is vertically disposed in the fishway body 2, the vertically disposed rack 71 is installed on the upper portion of the trash rack frame 72, and a passage for passing fish is provided between the lower end of the trash rack frame 72 and the lower end of the rack 71.
The trash holding channel 1 is provided with an air curtain generator 5 adjacent the inlet, the air curtain generator 5 being located upstream of the barrier net 16.
As shown in fig. 1 and 4, in the present embodiment, the air curtain generator 5 includes a blower 51 and an exhaust pipe 52, the blower 51 is disposed outside the trash blocking channel 1 and above the water surface at a corresponding position (after the blower is prevented from being turned off, water flows to the blower along the exhaust pipe 52 to soak the blower 51), the exhaust pipe 51 includes a vertical section and a horizontal section, the upper end of the vertical section is connected to the blower, the lower end of the vertical section and one end of the horizontal section are integrally formed, the other end of the horizontal section is hermetically connected to the trash blocking channel 1 and extends into the trash blocking channel 1, and the end is blocked, and the exhaust pipe 52 extending into the trash blocking channel 1 is provided with an exhaust hole; the blower is turned on and the gas enters the exhaust pipe 52 to create bubbles in the water through the exhaust holes in the exhaust pipe 52, forming a curtain of gas.
As shown in fig. 1, the two floodgates are sequentially marked as a first floodgate 12 and a second floodgate 9, the first floodgate 12 is disposed on the trash rack channel 1 near the inlet, the second floodgate 9 is disposed on the trash rack channel 1 near the outlet, and the barrier 16 is located between the two floodgates; two water pipes 10 are installed on the trash blocking channel 1 and sequentially marked as a first water pipe and a second water pipe, one end of the first water pipe is installed on the trash blocking channel 1 between the blocking net 16 and the first water gate 12, one end of the second water pipe is installed on the trash blocking channel 1 on the downstream of the second water gate 9, and the other ends of the first water pipe and the second water pipe are communicated through a water pump 11.
As shown in fig. 5, in the present embodiment, the sluice 9 includes a sluice frame 92, a sluice 93 is provided in the sluice frame 92, and an opening and closing machine 91 for opening and closing the sluice 93 is provided above the sluice frame 92.
An interception net 6 capable of intercepting fish is arranged at the outlet position of the trash blocking channel 1.
As shown in fig. 6, in the present embodiment, the interception net 6 is installed in an interception net frame 61, and the interception net frame 61 is installed in the trash rack 1 in a vertical direction.
As shown in fig. 1 and 2, the trash holding channel 1 sequentially comprises a water inlet section, a trash holding section 4 and a water discharge section 14 along the water flow direction, and the three sections are integrally formed; the water inlet section is horizontally arranged and is communicated with the fish outlet 13, the bottom wall of the water inlet section is higher than that of the fish outlet 13, and the fish blocking electric fence 15, the first water gate 12 and the air curtain generator 5 are arranged in the water inlet section; the trash blocking section 4 is horizontally arranged, the bottom wall of the trash blocking section 4 is lower than that of the water inlet section, the width of the trash blocking section 4 is larger than that of the water inlet section, and the blocking net 16 is arranged in the trash blocking section 4; the drainage section 14 is horizontally arranged, the bottom wall of the drainage section 14 and the bottom wall of the trash blocking section 4 are at the same height, and a second water gate 9 and an interception net 6 are arranged in the drainage section 14 and are communicated with the downstream fishway body 2; one end of the first water pipe is arranged at the water inlet section, and one end of the second water pipe is arranged at the water discharging section 14.
In this embodiment, when the barrier net 16 is completely unfolded in water, the whole body is in a triangular prism shape, one side close to the first water gate 12 is an opening, and four corners of the side barrier net 16 are detachably mounted on the side wall of the trash channel 1, so that floating garbage can flow into the barrier net 16 along the water flow through the opening; when cleaning the barrier net 16, the cleaning staff can detach the barrier net 16, pull out the trash barrier channel from above, clean the trash out of the barrier net 16, and install the trash again in the trash barrier channel 1.
As shown in fig. 2, in the present embodiment, the bottom wall of the trash blocking section 4 is lower than the bottom wall of the water inlet section, so a vertically arranged transition section (the transition section still belongs to the water inlet section) is arranged between the trash blocking section 4 and the water inlet end, the transition section is in a groove shape, the upper end of the transition section is integrally formed with the water inlet section, the lower end of the transition section is integrally formed with the trash blocking section 4, one end of the first water pipe is arranged on the side wall of the transition section, and in other embodiments, one end of the first water pipe can be arranged on the trash blocking section 4.
As shown in fig. 1, a support 8 is provided on the fishway body 2, and a camera 81 and an ultrasonic water level gauge 82 are mounted on the support 8.
The bracket 8 is of a gate type in this embodiment, and is installed in the fishway body 2, and the camera 81 and the ultrasonic water level gauge 82 are both installed at the upper end of the bracket 8.

Claims (6)

1. A fishway capable of intercepting floating garbage comprises a fishway body (2), wherein a fish inlet (3) is formed in one end, located at the downstream, of the fishway body (2), and a fish outlet (13) is formed in one end, located at the upstream, of the fishway body (2), and the fishway is characterized in that a groove-shaped trash blocking channel (1) is arranged on one side of the fishway body (2), an inlet is formed in one end of the trash blocking channel (1), and an outlet is formed in the other end of the trash blocking channel (1);
the inlet of the trash blocking channel (1) is communicated with the fish outlet (13), and the outlet of the trash blocking channel (1) is communicated with the downstream fishway body (2);
a fish blocking electric fence (15) capable of preventing fish from entering the trash blocking channel is arranged at the inlet of the trash blocking channel (1);
a blocking net (16) capable of blocking floating garbage is arranged in the trash blocking channel (1);
a trash rack (7) is arranged at the position of the fish outlet (13) of the fishway body, and a channel for passing fish is formed between the trash rack (7) and the bottom wall of the fishway body (2);
the floating garbage on the water surface of the water body entering the fishway body (2) flows into the trash blocking channel (1) along with the water flow and is blocked by the blocking net (16).
2. A fishway for intercepting floating debris according to claim 1, characterised in that the trash channel (1) is provided with an air curtain generator (5) near the entrance, the air curtain generator (5) being located upstream of the barrier net (16).
3. The fishway capable of intercepting floating garbage according to claim 2, further comprising a water pump (11) and two floodgates, which are sequentially marked as a first floodgate (12) and a second floodgate (9), wherein the first floodgate (12) is arranged at a position of the trash holding channel (1) near the inlet, the second floodgate (9) is arranged at a position of the trash holding channel (1) near the outlet, and the barrier net (16) is positioned between the two floodgates;
two water pipes (10) are installed in the trash blocking channel (1), and are marked as a first water pipe and a second water pipe in sequence, one end of the first water pipe is installed on the trash blocking channel (1) between the blocking net (16) and the first water gate (12), one end of the second water pipe is installed on the trash blocking channel (1) on the downstream of the second water gate (9), and the other ends of the first water pipe and the second water pipe are communicated through a water pump (11).
4. A fishway for intercepting floating debris according to claim 3, characterized in that the outlet of the trash channel (1) is equipped with an intercepting net (6) for intercepting fish.
5. The fishway capable of intercepting floating garbage according to claim 4, characterized in that the trash holding channel (1) comprises a water inlet section, a trash holding section (4) and a water discharge section (14) in sequence along the water flow direction, and the three sections are integrally formed;
the water inlet section is horizontally arranged and is communicated with the fish outlet (13), the bottom wall of the water inlet section is higher than the bottom wall of the fish outlet (13), and the fish blocking electric fence (15), the first water gate (12) and the air curtain generator (5) are arranged in the water inlet section;
the trash blocking section (4) is horizontally arranged, the bottom wall of the trash blocking section (4) is lower than the bottom wall of the water inlet section, the width of the trash blocking section (4) is larger than that of the water inlet section, and the blocking net (16) is arranged in the trash blocking section (4);
the drainage section (14) is horizontally arranged, the bottom wall of the drainage section (14) and the bottom wall of the trash blocking section (4) are at the same height, and a second sluice (9) and an intercepting net (6) are arranged in the drainage section (14) and are communicated with a downstream fishway body (2);
one end of the first water pipe is arranged at the water inlet section, and one end of the second water pipe is arranged at the water drainage section (14).
6. The fishway capable of intercepting floating garbage according to claim 5, characterized in that a bracket (8) is arranged on the fishway body (2), and a camera (81) and an ultrasonic water level meter (82) are arranged on the bracket (8).
CN202222784191.8U 2022-10-21 2022-10-21 Fishway capable of intercepting floating garbage Active CN218346113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222784191.8U CN218346113U (en) 2022-10-21 2022-10-21 Fishway capable of intercepting floating garbage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222784191.8U CN218346113U (en) 2022-10-21 2022-10-21 Fishway capable of intercepting floating garbage

Publications (1)

Publication Number Publication Date
CN218346113U true CN218346113U (en) 2023-01-20

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ID=84896896

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Application Number Title Priority Date Filing Date
CN202222784191.8U Active CN218346113U (en) 2022-10-21 2022-10-21 Fishway capable of intercepting floating garbage

Country Status (1)

Country Link
CN (1) CN218346113U (en)

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