CN115251035A - Multistage bubble curtain isolating device - Google Patents
Multistage bubble curtain isolating device Download PDFInfo
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- CN115251035A CN115251035A CN202210809734.9A CN202210809734A CN115251035A CN 115251035 A CN115251035 A CN 115251035A CN 202210809734 A CN202210809734 A CN 202210809734A CN 115251035 A CN115251035 A CN 115251035A
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- bubble
- arc
- side plates
- bubble curtain
- curtain
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
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- Life Sciences & Earth Sciences (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a multistage bubble curtain isolation device which comprises two side plates arranged on two sides of an open water inlet channel, wherein an arc-shaped blocking net, a bubble curtain assembly and an underwater projection lamp are arranged between the two side plates; the arc-shaped blocking net is arranged at one end of the side plate relative to the water inlet direction, and two ends of the arc-shaped blocking net are respectively connected with the two side plates; the bubble curtain assembly comprises an air supply pipeline and a plurality of bubble generating pipes which are arranged at the lower part of the side plate and communicated with each other, the bubble generating pipes are provided with a plurality of air holes, and the bubble generating pipes close to the arc-shaped blocking nets are arranged to be arc-shaped pipes; a sliding support rod is connected between the two side plates in a sliding mode, and the underwater projection lamp is arranged on the sliding support rod. Compressed air flows out of air holes of the air bubble generating tube after entering the air bubble generating tube, and compressed air bubbles with small volume form a bubble isolation curtain wall in the rising process; when the projecting lamp was beaten to the bubble under water, can increase the visibility of bubble curtain at submarine, the visual effect that the maximize bubble curtain produced is to the influence of fish.
Description
Technical Field
The invention relates to the technical field of ecological hydraulic engineering, in particular to a multistage bubble curtain isolation device.
Background
In the southern coastal once-through cooled thermal power plants, the condenser cooling water is taken directly from the seawater in the coastal waters. In spring and summer every year, a large amount of marine plants and large fish schools with small individuals (the individuals and the length are 10-20 mm, and the diameter is not more than 10 mm) are generated in seawater, and the seawater is poured into a circulating water system through a circulating water inlet open channel, so that the circulating water system is easily blocked, equipment facilities collapse/lose efficacy, a generator set is forced to operate and stop operating under load, and the reliability of unit operation is seriously influenced.
The utility model discloses a current chinese utility model patent, patent number publication number is CN207054496U, and the patent name is a river blocking fish trapping system, and this patent discloses utilize the induced mode such as replacing familiar fluorescent tube fish trapping of physics, fishing net interception, through making the water disorder, thereby makes fish keep away from turbulent zone and reach induced effect, however, this kind of technique has the defect, and the disorderly water can directly cause damage or death to individual less shoal of fish, is unfavorable for the growth of shoal of fish.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a multi-stage bubble curtain isolation device, which solves the problem that when smaller fish swarms of a circulating water system flow in spring and summer, the circulating water system is blocked, and mainly utilizes the shielding effect generated by a bubble curtain in seawater, the smaller fishes have stress reaction, the vision and the hearing of the fishes are interfered, the blocking effect is generated on the fish swarms, and the irreversible damage to the fish swarms cannot be directly caused.
In order to achieve the purpose, the invention is realized by the following technical scheme: a multistage bubble curtain isolation device comprises two side plates arranged on two sides of an open channel for water inflow, wherein an arc-shaped blocking net, a bubble curtain assembly and an underwater projection lamp arranged above the bubble curtain assembly are arranged between the two side plates;
the arc-shaped blocking net is arranged at one end of the side plate relative to the water inlet direction, and two ends of the arc-shaped blocking net are respectively connected with the two side plates;
the bubble curtain assembly comprises an air supply pipeline and a plurality of bubble generating pipes which are arranged at the lower part of the side plate and communicated with each other, a plurality of air holes are formed in the upper ends of the bubble generating pipes, and the bubble generating pipes close to the arc-shaped blocking nets are arranged to be arc-shaped pipes;
a sliding support rod is longitudinally connected between the two side plates in a sliding mode, and the underwater projection lamp is arranged on the sliding support rod.
Two fixed settings of curb plate are used for installing bubble curtain subassembly and arc block between two curb plates at the both sides wall of the open channel of intaking, and the arc block is used for the bigger shoal of separation individual size, and individual less (individual and length are 10 ~ 20mm, the diameter is about no longer than 10 mm) large-scale shoal also can be by partial separation, and the mesh size of arc block also can be selected according to actual conditions.
The bubble generating pipe is transversely arranged between the two side plates, the inner side of the arc-shaped blocking net is provided with a bubble curtain component, and the bubble curtain component is arranged on the lower portion of the side plates.
The air supply line is used for the air feed with external roots's fan intercommunication, get into the air supply line after the air passes through roots's fan pressure boost, the air supply line takes place the union coupling with the bubble, air admission bubble after the compression takes place behind the pipe, from the gas pocket outflow of bubble emergence pipe, the compressed air bubble that the volume is less constitutes the bubble isolation curtain jointly with the compressed air bubble that flows out in the adjacent aperture in the rise process, and rise the in-process grow gradually at the bubble, constitute no spaced bubble isolation curtain with adjacent bubble, thereby the effectual individual less shoal that blocks passes through rivers entering circulating water system.
The bubble generating pipe close to the arc-shaped blocking net is arranged to be an arc-shaped pipe, the arc-shaped pipe is consistent with the radian of the arc-shaped blocking net, a plurality of air holes are formed in the arc-shaped pipe, the arc-shaped pipe is used for forming an arc-shaped bubble isolation curtain wall and is used as a primary bubble isolation curtain wall, and the bubble generating pipe transversely arranged between the two side plates is used for forming a secondary bubble isolation curtain wall and effectively blocking fish schools from passing through; the projecting lamp vertically sets up and towards the bubble under water, when beating to the bubble, can increase the visibility of bubble curtain at submarine, the visual effect that the maximize bubble curtain produced is to the influence of fish, the slip bracing piece can slide between the curb plate under the impact of rivers, the slip bracing piece can drive under water the longitudinal sliding of projecting lamp between two curb plates, the light and the bubble cooperation of developments of removal, the curtain is kept apart to the bubble that forms to cause frightening, interference to the shoal of fish.
Preferably, still include the rotatory impeller of setting in bubble curtain subassembly top, rotatory impeller is including rotating the pivot that sets up between two curb plates, and pivot axial direction is provided with the multiunit impeller.
For further stopping individual small large-scale shoals, a rotating shaft is arranged between the two side plates, an impeller is fixedly arranged on the rotating shaft, the impeller and the rotating shaft can rotate under the action of water flow or bubbles to frighten the shoals, so that the shoals return through the original path of meshes of the arc-shaped blocking net, and the effect of stopping the shoals is further achieved.
Preferably, the air supply pipeline is arranged on one side of the side plate, the bubble generating pipes far away from the arc-shaped pipes are straight pipes, and one ends of the bubble generating pipes far away from the air supply pipeline are arranged in a closed mode.
Set up to a plurality of bubble generating tubes and the perpendicular intercommunication of air supply line of straight tube, set up to a plurality of bubble generating tubes of straight tube and the perpendicular setting of the flow direction of rivers for form multiunit bubble isolation curtain.
Preferably the arcuate barrier net arcs in a direction corresponding to the direction of travel of the water flow.
Preferably, the lower bottom ends of the two side plates are connected with a bottom plate, and the bubble generating tubes are arranged on the bottom plate through a fixing bracket.
Preferably, the rotary impellers are provided with a plurality of groups, and the plurality of groups of rotary impellers are arranged in an upward inclined manner.
The rotatory impeller setting of multiunit plays the effect that disturbs upper portion shoal, startle on curb plate upper portion, and the rotatory impeller tilt up of multiunit arranges, increases the interference area to shoal of fish.
Preferably, the impellers between adjacent rotating impellers are staggered.
The impellers between the adjacent rotating impellers are distributed in a staggered mode, the interference area to the fish school is further increased, and the blocking effect is achieved.
Preferably, the impeller comprises a plurality of circumferentially equally spaced blades.
Preferably, the inner sides of the two side plates are respectively and correspondingly provided with a longitudinal sliding groove, the sliding support rod is a rectangular rod, and two ends of the sliding support rod are respectively and longitudinally slidably connected in the longitudinal sliding grooves.
Preferably, an extension spring is arranged in the longitudinal sliding groove, one end of the extension spring is connected with the longitudinal sliding groove, and the other end of the extension spring is connected with the end part of the sliding support rod.
When the elasticity of the extension spring is smaller than the acting force of the water flow, the extension spring can be extended under the action of the water flow on the sliding support rod; when extension spring's elasticity was greater than rivers effort, extension spring can pull back certain distance with the slip bracing piece, so reciprocal for projecting lamp longitudinal movement shines the bubble under water, can increase the visibility of bubble curtain at the bottom, and the visual effect that the maximize bubble curtain produced is to the influence of fish.
Compared with the prior art, the invention has the beneficial effects that: compressed air flows out from the air holes of the air bubble generating pipe after entering the air bubble generating pipe, compressed air bubbles with smaller volume and compressed air bubbles flowing out from adjacent small holes form a bubble isolation curtain wall together in the rising process, the volume of the compressed air bubbles is gradually increased in the rising process of the air bubbles, and the compressed air bubbles and the adjacent air bubbles form a gapless bubble isolation curtain wall, so that small fish schools are effectively prevented from entering a circulating water system through water flow;
a rotating shaft is arranged between the two side plates, an impeller is fixedly arranged on the rotating shaft, and the impeller and the rotating shaft can rotate under the action of water flow or bubbles to frighten fish schools, so that the fish schools return through mesh original paths of the arc-shaped blocking nets, and further the function of blocking the fish schools is achieved;
when the projecting lamp was beaten to the bubble under water, can increase the visibility of bubble curtain at submarine, the visual effect that the maximize bubble curtain produced is to the influence of fish.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
fig. 4 is a top view of the present invention.
The reference numbers shown in the figures: 1. a side plate; 101. a longitudinal sliding groove; 2. an arc-shaped barrier net; 3. a bubble curtain assembly; 301. a gas supply line; 302. a bubble generating tube; 3021. an arc tube; 303. air holes; 4. underwater projection lamps; 5. rotating the impeller; 501. a rotating shaft; 502. an impeller; 6. a base plate; 7. a fixed bracket; 8. a ceramic bearing; 9. a sliding support bar; 10. a tension spring.
Detailed Description
The present invention is further described with reference to specific embodiments, and as shown in fig. 1 to 4, a multistage bubble curtain isolation device includes two side plates 1 disposed at two sides of an open water channel, an arc-shaped barrier net 2, a rotary impeller 5, a bubble curtain assembly 3, and an underwater floodlight 4 disposed above the bubble curtain assembly 3 are disposed between the two side plates 1;
the arc-shaped blocking net 2 is arranged at one end of the side plate 1 relative to the water inlet direction, and two ends of the arc-shaped blocking net 2 are fixedly connected with the two side plates 1 respectively; the arc direction of the arc-shaped blocking net 2 is consistent with the advancing direction of water flow, and the height of the arc-shaped blocking net 2 is slightly lower than that of the side plate 1, so that small fish schools entering the inner side of the arc-shaped blocking net 2 can swim out through the gap.
The bubble curtain assembly 3 comprises an air supply pipeline 301 and a plurality of bubble generating pipes 302 which are arranged at the lower part of the side plate 1 and communicated with each other, a plurality of air holes 303 are arranged at the upper ends of the bubble generating pipes 302, and the bubble generating pipes 302 close to the arc-shaped blocking net 2 are arranged into arc-shaped pipes 3021; the air hole 303 is generally provided with a check valve (only exhausting air outwards, but not feeding water inwards, in a few cases, the air hole 303 can be drilled directly on the bubble generating tube 302), so that water does not enter the bubble generating tube 302 as much as possible, and the air hole 303 is prevented from being blocked, and the technology of providing the check valve in the air hole 303 is the prior art and is not described herein;
a sliding support rod 9 is longitudinally connected between the two side plates 1 in a sliding mode, and the underwater projection lamp 4 is arranged on the sliding support rod 9.
Two fixed settings of curb plate 1 are used for installing bubble curtain subassembly 3 and arc block 2 between two curb plates 1 at the both sides wall of the open channel of intaking, and arc block 2 is used for the bigger shoal of separation individual size, and individual (individual and length are 10 ~ 20mm, the diameter is about no longer than 10 mm) large-scale shoal also can be by partial separation, and the mesh size of arc block 2 also can be selected according to actual conditions.
The bubble generating pipe 302 is transversely arranged between the two side plates 1, the inner side of the arc-shaped barrier net 2 is provided with a bubble curtain component 3, and the bubble curtain component 3 is arranged at the lower part of the side plates 1.
The bubble generating pipes 302 close to the arc-shaped blocking net 2 are arranged to be arc-shaped pipes 3021, the radians of the arc-shaped pipes 3021 are consistent with the radians of the arc-shaped blocking net 2, a plurality of air holes 303 are arranged on the arc-shaped pipes 3021, the arc-shaped pipes 3021 are used for forming an arc-shaped bubble isolation curtain wall and are used as a primary bubble isolation curtain wall, and the bubble generating pipes 302 transversely arranged between the two side plates 1 are used for forming a secondary bubble isolation curtain wall and effectively prevent fish schools from passing through; projection lamp is provided with threely down, 4 orientation arc block 2 behind the projecting lamp circular telegram under water, rise and when projecting lamp 4 beats the bubble under water as the bubble, can increase the visibility of bubble curtain at submarine, the visual effect that the maximize bubble curtain produced is to the influence of fish, slip bracing piece 9 can slide between curb plate 1 under the impact of rivers, slip bracing piece 9 can drive projection lamp 4 longitudinal sliding between two curb plates 1 under water, the light of removal and the bubble cooperation of developments, form and cause the frightening to the shoal of fish, the curtain is kept apart to the bubble of interference.
In order to further block small individual large-scale fish schools, a rotating shaft 501 is arranged between the two side plates 1, an impeller 502 is fixedly arranged on the rotating shaft 501, the impeller 502 and the rotating shaft 501 can rotate under the action of water flow or air bubbles to frighten the fish schools, so that the fish schools return through mesh original paths of the arc-shaped blocking nets 2, and the function of blocking the fish schools is further achieved.
The air supply pipeline 301 is arranged on one side of the side plate 1, the bubble generating pipes 302 far away from the arc-shaped pipes 3021 are arranged to be straight pipes, and one ends of the bubble generating pipes 302 far away from the air supply pipeline 301 are arranged in a closed mode. Set up to a plurality of bubble generating tubes 302 and the perpendicular intercommunication of air supply line 301 of straight tube, set up to a plurality of bubble generating tubes 302 and the perpendicular setting of flow direction of rivers of straight tube for form the multiunit bubble and keep apart the curtain.
The lower bottom ends of the two side plates 1 are connected with a bottom plate 6, and the bubble generating tubes 302 are arranged on the bottom plate 6 through a fixing bracket 7.
The rotary impellers 5 are provided with a plurality of groups, the invention is provided with three groups, and the three groups of rotary impellers 5 are obliquely arranged upwards. Three sets of rotary impeller 5 set up in 1 upper portion of curb plate, play the effect of disturbing, scaring the fish school on upper portion, and three sets of rotary impeller 5 upwards slope arrange, increase the interference area to the fish school. The impellers 502 between the adjacent rotating impellers 5 are distributed in a staggered manner, so that the interference area to fish schools is further increased, and the blocking effect is achieved.
The inner sides of the two side plates 1 are respectively and correspondingly provided with a longitudinal sliding groove 101, the sliding support rod 9 is a rectangular rod, and two ends of the sliding support rod 9 are respectively and longitudinally connected in the longitudinal sliding grooves 101 in a sliding manner.
An extension spring 10 is arranged in the longitudinal sliding groove 101, one end of the extension spring 10 is connected with the longitudinal sliding groove 101, and the other end of the extension spring 10 is connected with the end of the sliding support rod 9. When the elasticity of the extension spring 10 is smaller than the acting force of the water flow, the extension spring 10 can be extended under the action of the water flow on the sliding support rod 9; when extension spring 10's elasticity was greater than rivers effort, extension spring 10 can pull back certain distance with slip bracing piece 9, so reciprocal for 4 longitudinal movement of projecting lamp under water shines the bubble, can increase the visibility of bubble curtain at the bottom, and the visual effect that the maximize bubble curtain produced is to the influence of fish.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined by the present application.
Claims (10)
1. The utility model provides a multistage bubble curtain isolating device which characterized in that: the underwater projection lamp comprises two side plates (1) arranged on two sides of an open channel for water inflow, wherein an arc-shaped blocking net (2), a bubble curtain component (3) and an underwater projection lamp (4) arranged above the bubble curtain component (3) are arranged between the two side plates (1);
the arc-shaped blocking net (2) is arranged at one end, opposite to the water inlet direction, of the side plate (1), and two ends of the arc-shaped blocking net (2) are connected with the two side plates (1) respectively;
the bubble curtain assembly (3) comprises an air supply pipeline (301) and a plurality of bubble generating pipes (302) which are arranged at the lower part of the side plate (1) and communicated with each other, a plurality of air holes (303) are formed in the upper ends of the bubble generating pipes (302), and the bubble generating pipes (302) close to the arc-shaped barrier net (2) are arranged to be arc-shaped pipes (3021);
a sliding support rod (9) is longitudinally connected between the two side plates (1) in a sliding mode, and the underwater projection lamp (4) is arranged on the sliding support rod (9).
2. The multi-stage bubble curtain separating device as claimed in claim 1, wherein: still including setting up rotatory impeller (5) in bubble curtain subassembly (3) top, rotatory impeller (5) are including rotating pivot (501) that set up between two curb plates (1), pivot (501) axial direction is provided with multiunit impeller (502).
3. The multi-stage bubble curtain separating device as claimed in claim 1, wherein: air supply line (301) set up in curb plate (1) one side, keep away from bubble emergence pipe (302) of arc pipe (3021) set up to the straight tube, and are a plurality of bubble emergence pipe (302) keep away from the one end of air supply line (301) and seal the setting.
4. The multi-stage bubble curtain separating device as claimed in claim 1, wherein: the arc direction of the arc-shaped blocking net (2) is consistent with the advancing direction of water flow.
5. The multi-stage bubble curtain separating device as claimed in claim 1, wherein: the lower bottom ends of the two side plates (1) are connected with a bottom plate (6), and the bubble generating tubes (302) are arranged on the bottom plate (6) through fixing supports (7).
6. The multi-stage bubble curtain separating device as claimed in claim 1, wherein: the rotary impellers (5) are provided with a plurality of groups, and the rotary impellers (5) are arranged in an upward inclined mode.
7. The multi-stage bubble curtain separating device as claimed in claim 6, wherein: the impellers (502) between the adjacent rotating impellers (5) are distributed in a staggered manner.
8. The multi-stage bubble curtain separating device as claimed in claim 7, wherein: the impeller (502) comprises a plurality of circumferentially equally spaced blades.
9. The multi-stage bubble curtain separating device as claimed in claim 7, wherein: longitudinal sliding grooves (101) are correspondingly formed in the inner sides of the two side plates (1), the sliding support rod (9) is a rectangular rod, and two ends of the sliding support rod (9) are longitudinally connected in the longitudinal sliding grooves (101) in a sliding mode.
10. The multi-stage bubble curtain separating device as claimed in claim 9, wherein: an extension spring (10) is arranged in the longitudinal sliding groove (101), one end of the extension spring (10) is connected with the longitudinal sliding groove (101), and the other end of the extension spring (10) is connected with the end part of the sliding support rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809734.9A CN115251035A (en) | 2022-07-11 | 2022-07-11 | Multistage bubble curtain isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809734.9A CN115251035A (en) | 2022-07-11 | 2022-07-11 | Multistage bubble curtain isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115251035A true CN115251035A (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210809734.9A Pending CN115251035A (en) | 2022-07-11 | 2022-07-11 | Multistage bubble curtain isolating device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02190128A (en) * | 1989-01-20 | 1990-07-26 | Ishikawajima Harima Heavy Ind Co Ltd | Intercepting equipment of fish shoal |
| JPH10298964A (en) * | 1997-04-25 | 1998-11-10 | Mitsubishi Heavy Ind Ltd | Marine organism inflow preventing device |
| US20020185079A1 (en) * | 1999-10-23 | 2002-12-12 | Jonathan Truebe | Paddlewheel fish deterrent and guide |
| JP2005226321A (en) * | 2004-02-13 | 2005-08-25 | Chugoku Electric Power Co Inc:The | Device for preventing fish from straying and entering |
| CN214423291U (en) * | 2021-01-14 | 2021-10-19 | 广东五色时空生态环境科技有限公司 | Reservoir barrier net capable of driving away fish school |
| CN215454954U (en) * | 2021-07-19 | 2022-01-11 | 珠海桐星电力科技有限责任公司 | Bubble isolation system for water source biological isolation |
-
2022
- 2022-07-11 CN CN202210809734.9A patent/CN115251035A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02190128A (en) * | 1989-01-20 | 1990-07-26 | Ishikawajima Harima Heavy Ind Co Ltd | Intercepting equipment of fish shoal |
| JPH10298964A (en) * | 1997-04-25 | 1998-11-10 | Mitsubishi Heavy Ind Ltd | Marine organism inflow preventing device |
| US20020185079A1 (en) * | 1999-10-23 | 2002-12-12 | Jonathan Truebe | Paddlewheel fish deterrent and guide |
| JP2005226321A (en) * | 2004-02-13 | 2005-08-25 | Chugoku Electric Power Co Inc:The | Device for preventing fish from straying and entering |
| CN214423291U (en) * | 2021-01-14 | 2021-10-19 | 广东五色时空生态环境科技有限公司 | Reservoir barrier net capable of driving away fish school |
| CN215454954U (en) * | 2021-07-19 | 2022-01-11 | 珠海桐星电力科技有限责任公司 | Bubble isolation system for water source biological isolation |
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