CN107455364B - Sound wave fish-expelling device for coal unloading wharf of power plant - Google Patents
Sound wave fish-expelling device for coal unloading wharf of power plant Download PDFInfo
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- CN107455364B CN107455364B CN201710700553.1A CN201710700553A CN107455364B CN 107455364 B CN107455364 B CN 107455364B CN 201710700553 A CN201710700553 A CN 201710700553A CN 107455364 B CN107455364 B CN 107455364B
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 241000251468 Actinopterygii Species 0.000 claims abstract description 28
- 230000030279 gene silencing Effects 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 abstract description 3
- 235000015170 shellfish Nutrition 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Birds (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Means For Catching Fish (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the technical field of marine fish-dispelling equipment, and particularly relates to a sound wave fish-dispelling device for a coal unloading wharf of a power plant. The gas source system and the control system are respectively arranged at one end of the coal unloading wharf and are connected with the sound wave fish driving system, and the sound wave fish driving system is arranged at the bottom of a support column at the lower end of a coal conveying belt between the coal unloading wharf and a power plant; the sound wave fish driving system consists of a frequency-adjustable high sound intensity sounder, an air supply connecting pipe, a traveling wave pipe, a reverberation chamber and an exhaust silencing pipeline; the upper end of the frequency-adjustable high-sound-intensity sounder is connected with an air supply connecting pipe, the lower end of the frequency-adjustable high-sound-intensity sounder is connected with a reverberation chamber through a traveling wave tube, and the right side of the reverberation chamber is connected with an exhaust silencing pipeline; the sound wave fish-driving system can be used for broadband adjustment, has the characteristic of high sound power, can realize the targeted expelling of various fishes and shellfishes due to the fact that the underwater radiation sound pressure level can be more than 150dB, and reduces the risk of operation of a power plant.
Description
Technical Field
The invention belongs to the technical field of marine fish-dispelling equipment, and particularly relates to a sound wave fish-dispelling device for a coal unloading wharf of a power plant.
Background
In recent years, more than 80% of rescue objects in maritime search and rescue centers are fishermen and fishing boats. The power plant has management responsibility for all security matters in the area of the wharf and the coal conveying belt. However, fishermen can catch fish in this area, and due to the fact that safety protection measures of fishermen are not comprehensive, sea weather is variable, ship conditions are simple and crude, safety awareness of fishermen is not strong, and the like, the power plant cannot guarantee the safety of this area, but the power plant cannot prevent fishermen from catching fish. Therefore, most of the fishes moving in the area are guided to other areas for inhabitation through a reasonable fish driving and luring mode, so that fishermen can automatically give up the fishing points, and safety accidents caused by fishing of the fishermen are avoided, and the fish driving and luring device is very necessary.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the sound wave fish driving device for the coal unloading wharf of the power plant, which is simple in structure, reasonable in design and convenient to use. Meanwhile, the system has the characteristics of low one-time investment cost, low operation and maintenance cost, long service life of equipment and the like.
In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises an air source system, a control system and a sound wave fish driving system; the gas source system and the control system are respectively arranged at one end of the coal unloading wharf and are connected with the sound wave fish driving system, and the sound wave fish driving system is arranged at the bottom of a support column at the lower end of a coal conveying belt between the coal unloading wharf and a power plant; the sound wave fish driving system consists of a frequency-adjustable high sound intensity sounder, an air supply connecting pipe, a traveling wave pipe, a reverberation chamber and an exhaust silencing pipeline; the upper end of the frequency-adjustable high-sound-intensity sounder is connected with an air supply connecting pipe, the lower end of the frequency-adjustable high-sound-intensity sounder is connected with a reverberation chamber through a traveling wave tube, and the right side of the reverberation chamber is connected with an exhaust silencing pipeline; the reverberation chamber and the exhaust silencing pipeline are both immersed below the sea level, and the outlet end of the exhaust silencing pipeline is exposed above the sea level.
Preferably, the optimal size ratio of the reverberation chamber is 1: 10.5: 13.7; and the distance between the bottom of the reverberation chamber and the sea level is kept between 3 and 4 m.
Preferably, the control system consists of a master control PLC, an execution singlechip and power amplifiers, wherein the master control PLC is connected with the execution singlechip, the execution singlechip is connected with the two groups of power amplifiers, and the power amplifiers are respectively connected with the plurality of frequency-adjustable high-sound-intensity sound generators.
Preferably, the air source system consists of an air compressor, an air storage tank, a stop valve, an electromagnetic valve and a pressure switch, and is connected with the air supply connecting pipe through the stop valve.
After adopting the structure, the invention has the beneficial effects that: the sound wave fish driving device for the coal unloading wharf in the power plant adopts the sound wave fish driving system to adjust the wide frequency, has the characteristic of high sound power, can realize the underwater radiation sound pressure level of more than 150dB, can realize the targeted driving of various fishes and shellfishes, and reduces the risk of the operation of the power plant. Meanwhile, the system has the characteristics of low one-time investment cost, low operation and maintenance cost, long service life of equipment and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the sound wave fish-driving system 6 of the invention.
Fig. 3 is a schematic structural diagram of the control system 5 of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises an air source system 4, a control system 5 and a sound wave fish-driving system 6; the gas source system 4 and the control system 5 are respectively arranged at one end of the coal unloading wharf 3, the gas source system 4 and the control system 5 are both connected with the sound wave fish driving system 6, and the sound wave fish driving system 6 is arranged at the bottom of the support column 2 at the lower end of the coal conveying belt 1 between the coal unloading wharf 3 and the power plant; the sound wave fish driving system 6 consists of a frequency-adjustable high sound intensity sounder 7, an air supply connecting pipe 8, a traveling wave pipe 9, a reverberation chamber 10 and an exhaust silencing pipeline 11; the upper end of the frequency-adjustable high-sound-intensity sounder 7 is connected with an air supply connecting pipe 8, the lower end of the frequency-adjustable high-sound-intensity sounder 7 is connected with a reverberation chamber 10 through a traveling wave tube 9, and the right side of the reverberation chamber 10 is connected with an exhaust silencing pipeline 11; the reverberation chamber 10 and the exhaust silencing pipeline 11 are both immersed below the sea level, and the outlet end of the exhaust silencing pipeline 11 is exposed above the sea level.
Further: the frequency-adjustable high sound intensity sounder 7 mainly comprises magnetic steel, a driving coil, a moving ring component, a static ring component, a loudspeaker and the like. During operation air current reachs the work unit that constitutes by the sound ring subassembly after filtering, and control system controls the regular motion of movable coil through giving the specific signal of telecommunication of drive coil, changes the gap between movable coil and the quiet circle to the air current that the cutting passes through produces wide band adjustable sound wave, radiates away through traveling wave tube propagation at last.
Further: the traveling wave tube 9 is a sound wave guide tube with a uniform cross section, and the function of the traveling wave tube is to generate a traveling wave by sound waves emitted by a sound generator in the tube and transmit the traveling wave into the reverberation chamber.
Further: cutoff frequency of the traveling wave tube 9: the highest frequency of the traveling wave can be transmitted in the tube, the traveling wave is below the frequency tube, and the oscillation is attenuated above the frequency tube.
Designing parameters: the cut-off frequency is 1000 Hz; circular pipe, internal diameter 199 mm.
Further: the reverberation chamber 10 is a space with hard walls on the inside and the sound field is a superposition of reflected sound fields.
The main functions are as follows:
(1) and superposing the sound waves emitted by the traveling wave tube.
(2) The sound wave in the air is effectively radiated into the seawater through the impedance-matched hard surface.
The four walls of the reverberation chamber 10 are made of 20mm thick steel plates to ensure that the surface impedance is the same as that of seawater, and the external dimension of the reverberation chamber is 500mm 630mm 793.7mm (the optimal dimension ratio of the reverberation chamber is 1:21/2: 41/3).
Preferably, the control system 5 is composed of a master control PLC12, an execution single chip microcomputer 13 and power amplifiers 14, the master control PLC12 is connected with the execution single chip microcomputer 13, the execution single chip microcomputer 13 is connected with two groups of power amplifiers 14, and the power amplifiers 14 are respectively connected with a plurality of frequency-adjustable high-sound-intensity sound generators 7.
Further: the control system 5 consists of a local control cabinet and a remote upper computer. The local control cabinet is controlled by matching a touch screen with a PLC (programmable logic controller), adopts two control modes of manual single machine control and automatic circulation, has the functions of condition judgment and interlocking, and can conveniently realize the setting of operations such as frequency setting, time setting and the like through a human-computer interface. According to the actual use condition on site, a control cabinet with one channel for one use and four channels for four spare channels is used, the control cabinet realizes linkage control during operation, 2 power amplifiers for amplifying and outputting signals to a generator are installed in the control cabinet, wherein 1 power amplifier operates normally, if the power amplifier which operates at present fails, a fault detection circuit of a control system can immediately detect and switch the signals to the spare power amplifier, so that the safety and stability of the operation of the system are ensured, and the reliability of the whole set of equipment is fully improved.
The remote control upper computer has a remote monitoring function, can realize the complete monitoring of the local control system, is also provided with an internet socket, can access a wide area network and can carry out control through the internet. The functions of monitoring the equipment in real time, judging equipment errors and the like can be realized.
Preferably, the air source system 4 consists of an air compressor, an air storage tank, a stop valve, an electromagnetic valve and a pressure switch, and the air source system 4 is connected with the air supply connecting pipe 8 through the stop valve.
The beneficial effects of the embodiment are as follows: the sound wave fish-driving system can be used for broadband adjustment, has the characteristic of high sound power, can realize the targeted expelling of various fishes and shellfishes due to the fact that the underwater radiation sound pressure level can be more than 150dB, and reduces the risk of operation of a power plant. Meanwhile, the system has the characteristics of low one-time investment cost, low operation and maintenance cost, long service life of equipment and the like.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides a power plant unloads coal pier and drives fish device with sound wave which characterized in that: the device comprises an air source system (4), a control system (5) and a sound wave fish-driving system (6); the gas source system (4) and the control system (5) are respectively installed at one end of the coal unloading wharf (3), the gas source system (4) and the control system (5) are both connected with the sound wave fish driving system (6), and the sound wave fish driving system (6) is installed at the bottom of a support column (2) at the lower end of the coal conveying belt (1) between the coal unloading wharf (3) and a power plant; the sound wave fish driving system (6) consists of a frequency-adjustable high sound intensity sounder (7), an air supply connecting pipe (8), a traveling wave pipe (9), a reverberation chamber (10) and an exhaust silencing pipeline (11); the upper end of the frequency-adjustable high-sound-intensity sounder (7) is connected with an air supply connecting pipe (8), the lower end of the frequency-adjustable high-sound-intensity sounder (7) is connected with a reverberation chamber (10) through a traveling wave pipe (9), and the right side of the reverberation chamber (10) is connected with an exhaust silencing pipeline (11); the reverberation chamber (10) and the exhaust silencing pipeline (11) are both immersed below the sea level, and the outlet end of the exhaust silencing pipeline (11) is exposed above the sea level.
2. The sound wave fish driving device for the coal unloading wharf of the power plant as claimed in claim 1, wherein: the optimal size ratio of the reverberation chamber (10) is 1: 10.5: 13.7; and the distance between the bottom of the reverberation chamber (10) and the sea level is kept between 3 and 4 m.
3. The sound wave fish driving device for the coal unloading wharf of the power plant as claimed in claim 1, wherein: the control system (5) is composed of a master control PLC (12), an execution single chip microcomputer (13) and power amplifiers (14), wherein the master control PLC (12) is connected with the execution single chip microcomputer (13), the execution single chip microcomputer (13) is connected with the two groups of power amplifiers (14), and the power amplifiers (14) are respectively connected with a plurality of frequency-adjustable high-sound-intensity sounders (7).
4. The sound wave fish driving device for the coal unloading wharf of the power plant as claimed in claim 1, wherein: air supply system (4) constitute by air compressor machine, gas holder, stop valve, solenoid valve, pressure switch, and air supply system (4) are connected with air feed connecting pipe (8) through the stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700553.1A CN107455364B (en) | 2017-08-16 | 2017-08-16 | Sound wave fish-expelling device for coal unloading wharf of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700553.1A CN107455364B (en) | 2017-08-16 | 2017-08-16 | Sound wave fish-expelling device for coal unloading wharf of power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107455364A CN107455364A (en) | 2017-12-12 |
| CN107455364B true CN107455364B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710700553.1A Active CN107455364B (en) | 2017-08-16 | 2017-08-16 | Sound wave fish-expelling device for coal unloading wharf of power plant |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331870A (en) * | 2007-06-25 | 2008-12-31 | 中国水产科学研究院渔业机械仪器研究所 | Acousto-optic-electric comprehensive fish driving device |
| NL1034953C1 (en) * | 2008-01-25 | 2009-07-30 | Kema Nederland B V | Acoustic system for scaring away from fish from e.g. cooling water inlet for power station, comprises spark and high voltage pulse generators |
| CN101496506A (en) * | 2009-01-20 | 2009-08-05 | 张磊 | Device for luring and driving fish by sound wave |
| CN101833097A (en) * | 2010-05-19 | 2010-09-15 | 华南理工大学 | Underwater net cage multi-beam fish driving monitoring system and method |
| CN202340695U (en) * | 2011-12-17 | 2012-07-25 | 李元山 | Pneumatic aquatic-animal repelling machine |
| JP2014171411A (en) * | 2013-03-07 | 2014-09-22 | Tokyo Univ Of Marine Science & Technology | Generation method of whale repellent noise in water and generator of whale repellent noise in water |
| CN204014772U (en) * | 2014-08-01 | 2014-12-17 | 天津海友佳音生物科技股份有限公司 | A kind of classification cultivating system that utilizes acousto-optic-electric to drive fish technology |
| CN106864711A (en) * | 2017-03-16 | 2017-06-20 | 四川大学 | Self adaptation sound wave lures the drive dual-purpose submariner device of fish |
| CN106857492A (en) * | 2017-02-22 | 2017-06-20 | 岭东核电有限公司 | A kind of marine growth for nuclear power plant's intake expels system |
-
2017
- 2017-08-16 CN CN201710700553.1A patent/CN107455364B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331870A (en) * | 2007-06-25 | 2008-12-31 | 中国水产科学研究院渔业机械仪器研究所 | Acousto-optic-electric comprehensive fish driving device |
| NL1034953C1 (en) * | 2008-01-25 | 2009-07-30 | Kema Nederland B V | Acoustic system for scaring away from fish from e.g. cooling water inlet for power station, comprises spark and high voltage pulse generators |
| CN101496506A (en) * | 2009-01-20 | 2009-08-05 | 张磊 | Device for luring and driving fish by sound wave |
| CN101833097A (en) * | 2010-05-19 | 2010-09-15 | 华南理工大学 | Underwater net cage multi-beam fish driving monitoring system and method |
| CN202340695U (en) * | 2011-12-17 | 2012-07-25 | 李元山 | Pneumatic aquatic-animal repelling machine |
| JP2014171411A (en) * | 2013-03-07 | 2014-09-22 | Tokyo Univ Of Marine Science & Technology | Generation method of whale repellent noise in water and generator of whale repellent noise in water |
| CN204014772U (en) * | 2014-08-01 | 2014-12-17 | 天津海友佳音生物科技股份有限公司 | A kind of classification cultivating system that utilizes acousto-optic-electric to drive fish technology |
| CN106857492A (en) * | 2017-02-22 | 2017-06-20 | 岭东核电有限公司 | A kind of marine growth for nuclear power plant's intake expels system |
| CN106864711A (en) * | 2017-03-16 | 2017-06-20 | 四川大学 | Self adaptation sound wave lures the drive dual-purpose submariner device of fish |
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| CN107455364A (en) | 2017-12-12 |
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Effective date of registration: 20200508 Address after: 226200 Qin Tan, Qidong, Jiangsu, Nantong Applicant after: Jiangsu Datang International lvsigang Power Generation Co., Ltd Applicant after: NANJING CHANGRONG ACOUSTIC Inc. Address before: 226200 Qin Tan, Qidong, Jiangsu, Nantong Applicant before: Jiangsu Datang International lvsigang Power Generation Co., Ltd |
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