CN101375674A - Method and device for automatically cleaning square frame style net cage by tidal wave underwater - Google Patents

Method and device for automatically cleaning square frame style net cage by tidal wave underwater Download PDF

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Publication number
CN101375674A
CN101375674A CNA2008100110542A CN200810011054A CN101375674A CN 101375674 A CN101375674 A CN 101375674A CN A2008100110542 A CNA2008100110542 A CN A2008100110542A CN 200810011054 A CN200810011054 A CN 200810011054A CN 101375674 A CN101375674 A CN 101375674A
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China
Prior art keywords
net cage
brush
square
wave
box posture
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Granted
Application number
CNA2008100110542A
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Chinese (zh)
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CN101375674B (en
Inventor
敖志辉
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Dalian long dragon aquatic products technology promotion Co., Ltd.
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敖志辉
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Priority to CN2008100110542A priority Critical patent/CN101375674B/en
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Publication of CN101375674B publication Critical patent/CN101375674B/en
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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
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

A method for automatically cleaning a net cage under tidal waves and water and a square-frame type device thereof relate to the agriculture, that is, the floating type net cage culture at sea. A square frame made of a material which has basically the same dimension as the net cage and small specific is added in a floating square culturing net cage, and assembled with a long strip brush to form a part, namely a square frame type tidal wave brush, and a frame type sinker is connected beneath the square frame type culturing net cage through a connecting rope to form a device. The device can switch between gravity and buoyancy according to tidal changes and wave fluctuation, so as to conduct the upward and downward movement for the net cage, thus cleaning the netting. The invention has the advantages of energy consumption, emission reduction, labor saving, and environmental protection.

Description

The method and apparatus of automatically cleaning square frame style net cage by tidal wave underwater
Technical field
The present invention relates to agricultural, marine floating type cage culture, to the automatic at any time under water a kind of method and apparatus that cleans of net cage.
Technical background
Present marine cage culture, net cage places seawater for a long time, and some marine organisms will be attached on the etting, thereby has increased the weight of net cage, has influenced the inside and outside water body exchange of net cage, and some animals also can strive bait with material culture and take oxygen by force.Remove the method for this attachment at present, mainly be manually to change etting, remove attachment through Exposure to Sunlight, beating, this artificial cleaning is carried out on the coast, can cause certain pollution to seashore, the disembarkation of ship haul etting also can consume diesel oil and discharging carbonic acid gas.The cleaning method of some manual operation machine directly cleaned net cage under water in recent years, and these methods all must rely on power source, and diesel engine oil consumption, motor power consumption must have the diver to operate under water.
Above-mentioned method all exist take a lot of work, power consumption and pollution problem.
Summary of the invention
In order to remove stained thing from the source supernatant, make it to be difficult on etting, adhere to, survive, avoid manually cleaning net cage and take a lot of work, consume energy and the pollution of sea environment.
The present invention adopts a kind of method and apparatus, is that power cleans net cage at any time under water automatically with tide and wave.
The technical scheme that technical solution problem of the present invention is adopted is: install a cover and net cage peripheral shape and the essentially identical quadra of being made by the less lightweight material of proportion of size additional in existing floating type fish culture net cage inside, fit together with rectangular brush, form parts-square box posture wave brush, framework is below by connection cord connection box posture sinker.This device can rely on the variation of morning and evening tides and dipping and heaving conversion mutually between gravity and buoyancy of wave, realizes net cage is moved up and down, and reaches the purpose of scrubbing to etting.The invention has the beneficial effects as follows: improve the agricultural standardization level of production, reduce floating type cage culture cost, promotion and the growth of protection material culture pollution-free healthy, energy-conservation, reduction of discharging, saving of labor, environmental protection.
Description of drawings
Below in conjunction with accompanying drawing the method that the present invention implemented is described further:
Fig. 1 is the structure drawing of device of square box posture wave brush of the present invention.(5) are rectangular brushes among the figure, and (6) are quadras, and (9) are connection cords, and (10) are the frame-type sinkers.
Fig. 2-the 1st, square box posture wave of the present invention is brushed at seawater at ebb tide, relatively the residing location drawing of net cage.(5) are rectangular brushes among the figure, and (6) are quadras, and (7) are to tighten rope, and (8) are only to rise location-plate, and (9) are connection cords, and (10) are the frame-type sinkers.
Fig. 2-the 2nd, square box posture wave of the present invention brush when high tide, relatively the residing location drawing of net cage.(1) is the Square Net-cage upper frame among the figure, and (2) are the Square Net-cage floats, and (3) are ettings, and (4) are Square Net-cage bottom framework (sinkers).
Fig. 3 is the assembly drawing of quadra and gauze brush.(5) are rectangular brushes among the figure, and (6) are quadras, and both are screwed.
Embodiment
The plank that will be drilled with circular hole among Fig. 1 is made quadra (6) with triangle iron plate by screw by the Square Net-cage peripheral size, again with screw with itself and rectangular brush (5) (see figure 3) that tightens together, form parts---square box posture wave brush.Be connected with frame-type sinker (10) below by connection cord (9), constitute a device.
Shown in Fig. 2-1 and Fig. 2-2 this device is put into Square Net-cage, will tighten rope (7) and pass circular hole on the quadra (6), upper end and etting (3) upper edge is fixed on the net cage upper frame (1) jointly.Be fixed on jointly on the net cage underframe (4) with etting (3) lower edge below, the length of tightening rope (7) is highly identical with etting (3), etting (3) with tighten the gravity effect that rope (7) is subjected to net cage bottom framework (sinker) (4) jointly, always to keep tensioned state.This state can make that brush body is easier presses close to etting (3).Because the peripheral size of square box posture wave brush is basic identical with the net cage peripheral size, and square box posture wave brush is the inboard that is contained in net cage, also can play the close of brush body and etting (3) and act on.Can suitably strengthen the weight of Square Net-cage bottom framework (4) in case of necessity.
In Fig. 2-1, the position on sea when A represents high tide, B represents the seawater position on sea at ebb tide, C represents the position in seabed.The upper-lower position of the relative seabed C of Square Net-cage is by the sea decision, and the upper-lower position in relative seabed, sea is determined by the tide is flowing and ebbing.
During Fig. 2-2 expression high tide, square box posture wave is brushed under the action of gravity of frame-type sinker (10), moves downward the bottom of Square Net-cage.Fig. 2-1 expression when seawater at ebb tide, frame-type sinker (10) falls into the seabed, square box posture wave brush is not subjected to the influence of frame-type sinker (10) gravity, upwards runs to the top of Square Net-cage by self buoyancy, by rising only liter of location-plate (8) with onlying.The moving up and down of the relative etting of this brush body (3) can reach the scrubbing action to etting (3).
General tidal range of culturing the sea area is all more than 5 meters, and the net cage height is generally 3-5 rice, and tidal range can satisfy the stroke requirement of square box posture wave brush.Tidewater rises and move back twice every day, basically can satisfy the motion frequency of square box posture wave brush, and wave can improve frequency and the speed that net cage moves up and down greatly, when wave forms on the sea on net cage top, net cage can rise to certain height by wave with the float on the net cage, moment is fallen back to original position again then, and this makes the motion of the relative etting of brush body (3) that impulsive force more be arranged.
The expression state of connection cord (9) at ebb tide and at the incoming tide respectively in Fig. 2-1 and Fig. 2-2, the length of connection cord (9) can be according to the depth and the net cage height setting of culturing the sea area, ought can make frame-type sinker (10) break away from the seabed in principle at the incoming tide, with square box posture wave swishing sound to the bottom of net cage, square box posture wave is brushed be raised to the net cage top, be frame-type sinker (10) (the frame-type sinker can be made with the bending of iron and steel rod) below the connection cord (9), the actual weight of frame-type sinker (10) in seawater should be brushed the buoyancy that is produced according to net cage float (2) and square box posture wave and be decided.
The buoyancy that the frame section branch of square box posture wave brush produces can calculate by following computational methods:
With present normally used specification is that 3 meters * 3 meters Square Net-cage is an example
Adopt common 0.8 decimeter thick, 1.2 decimeters wide kahikatea plank is done quadra
Then the area of section of plank is: S=0.8 * 1.2=0.96 decimetre 2
Then the total length of plank is: L = 30 × 4 + 30 2 = 162.4 Decimetre ( Be the cornerwise length of quadra as shown in Figure 1)
Then the cumulative volume of quadra is: V=S * L=0.96 * 162.4=155.9 decimetre 3
The proportion of seawater is at least d=1
Then the quadra buoyancy that can produce at least in seawater is: F floats=155.9 * 1=155.9 kilogram
The proportion of kahikatea is d=0.41
Then the own wt of the wooden quadra of kahikatea is: G=155.9 * 0.41=63.9 kilogram
The consideration kahikatea is soaked proportion for a long time and can increase to some extent in water, select 1.2 to be enhancement coefficient
Then the weight of the wooden quadra of kahikatea is: G=155.9 * 0.41 * 1.2=76.7 kilogram
Then the net buoyancy that produced of the wooden quadra of kahikatea is: F is floating=155.9-76.7=79.2 kilogram only
Square box posture wave is brushed the average buoyancy that every linear meter produces: flat floating=79.2/ (3 * 4)=6.6 of F kilogram/meter, the frictional force that is used to overcome between brush body and the etting (3) is upwards moved.
The weight of frame-type sinker (10) should be decided according to the ability to bear of above-mentioned result of calculation and net cage float.Frame-type sinker (10) the net weight power that can produce in seawater is greater than net buoyancy that kahikatea wood frame float produced more than 1 times in principle, so that when high tide, can produce enough pulling force, overcome square box posture wave brush buoyancy upwards, it is pulled to the bottom of Square Net-cage, the pulling force that frame-type sinker (10) produces is big more, and gauze brush is big more to the dynamics of scrubbing of etting (3).But consider the ability to bear of net cage float and the bulk strength of net cage.
Adopted as Fig. 3 rectangular brush of the present invention (5) bottom parts and to be similar to " " the shape structure.When this structure can effectively prevent rectangular brush (5) with etting (3) friction the stress of brush body root is concentrated, prolonged the service life of brush body.Small sircle hole in the front view is represented the position of brush body root, and the two row brush bodies layout that staggers can more effectively focus on frictional force on the etting (3) on arranging.

Claims (4)

1, the method and apparatus of automatically cleaning square frame style net cage by tidal wave underwater by quadra with holes and base plate section is The rectangular brush of shape fits together, form parts---square box posture wave brush, tightening rope pass circular hole that square box posture wave brushes and net cage about framework be connected, square box posture wave is brushed below by connection cord connection box posture sinker, forms a device.It is characterized in that: tighten rope in the middle of the square box posture wave brush and pass, connection cord connection box posture sinker is arranged below.
2, according to claim 1, the method and apparatus of net cage is cleaned in the swabbing of square box posture wave down automatically, it is characterized in that: the square box posture wave brush after the assembling is for square.
3, according to claim 1, the method and apparatus of net cage is cleaned in the swabbing of square box posture wave down automatically, it is characterized in that: square box posture wave brush frame part has circular hole, is used to tighten rope and passes.
4, according to claim 1, the method and apparatus of net cage is cleaned in the swabbing of square box posture wave down automatically, and it is characterized in that: the section of rectangular brush bottom parts is Shape.
CN2008100110542A 2008-04-17 2008-04-17 Device for automatically cleaning square frame style net cage by tidal wave underwater Expired - Fee Related CN101375674B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100110542A CN101375674B (en) 2008-04-17 2008-04-17 Device for automatically cleaning square frame style net cage by tidal wave underwater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100110542A CN101375674B (en) 2008-04-17 2008-04-17 Device for automatically cleaning square frame style net cage by tidal wave underwater

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CN101375674A true CN101375674A (en) 2009-03-04
CN101375674B CN101375674B (en) 2011-06-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102578002A (en) * 2011-01-07 2012-07-18 中国水产科学研究院黄海水产研究所 Scallop breeding cage with automatic underwater surface cleaner
CN102771416A (en) * 2011-05-12 2012-11-14 敖志辉 Method for automatically cleaning seawater fence breeding netting underwater
CN107517915A (en) * 2017-09-15 2017-12-29 合肥学院 A kind of automatic cleaning net cage device for quadra net cage
CN110800667A (en) * 2019-11-28 2020-02-18 浙江海洋大学 Automatic aquaculture net case of clean netting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102578002A (en) * 2011-01-07 2012-07-18 中国水产科学研究院黄海水产研究所 Scallop breeding cage with automatic underwater surface cleaner
CN102771416A (en) * 2011-05-12 2012-11-14 敖志辉 Method for automatically cleaning seawater fence breeding netting underwater
CN107517915A (en) * 2017-09-15 2017-12-29 合肥学院 A kind of automatic cleaning net cage device for quadra net cage
CN110800667A (en) * 2019-11-28 2020-02-18 浙江海洋大学 Automatic aquaculture net case of clean netting

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Owner name: DALIAN AOLONG AQUATIC PRODUCT TECHNOLOGY PROMOTION

Free format text: FORMER OWNER: AO ZHIHUI

Effective date: 20130809

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Address after: 116021 No. 30 Hua Hua Street, Shahekou District, Liaoning, Dalian 2-1

Patentee after: Dalian long dragon aquatic products technology promotion Co., Ltd.

Address before: 116021 No. 2, building 30, 1 Hua Hua Street, Shahekou District, Liaoning, Dalian

Patentee before: Ao Zhihui

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Granted publication date: 20110608

Termination date: 20170417