CN1611110A - Net cage for fish culture - Google Patents
Net cage for fish culture Download PDFInfo
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- CN1611110A CN1611110A CNA200310108298XA CN200310108298A CN1611110A CN 1611110 A CN1611110 A CN 1611110A CN A200310108298X A CNA200310108298X A CN A200310108298XA CN 200310108298 A CN200310108298 A CN 200310108298A CN 1611110 A CN1611110 A CN 1611110A
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- floating drum
- center floating
- fish culture
- warp
- annular construction
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The present invention is aimed at designing a net cage for fish culture. Said structure is characterized by that a central buoyancy float of set on the horizontal direction, two rows of supporting bars are hinged with said central buoyancy float, several weft ropes are one-by-one connected with top portions of the said supporting bars so as to form the form of ring, several warp ropes are connected to the top portions of supporting bars from one end of central buoyancy float, then are connected to another end of said central buoyancy float, the net pieces can be successively connected with the frame enclosed by warp ropes and weft ropes to form a closed form, besides, the anchoring end of the net cape also is equipped with a flow-resisting cover. Besides, said invention also provides the application method of said invented net cage for fish culture.
Description
(1) technical field
The present invention relates to a kind of fish culture cage.
(2) background technology
The cage culture of China is started in freshwater aquiculture, beginning cage culture fresh-water fishes in 1973, very fast promptly the achieving success and popularization rapidly.National reservoir, lake, big flood veil case were breeded fish and are reached 150,000 mu in 1994.Marine cage fish culture is that the eighties is begun by Guangdong, Fujian Province, and the quantity of present national net cage has developed into nearly 1,000,000, and fish culture in net pen output is above 200,000 tons.Though China's seawater cage has had a greater number, because net cage facility and cultural technique are backward relatively, per unit area yield is low, culture-cycle is long, the feed coefficient height, and the net cage capacity of anti-storm is relatively poor, causes cage culture can only concentrate on the waters, offshore bay of the suitable development of part net cage aquaculture.Deep day by day to the research of net cage since the seventies in 20th century in the world, scientific and technological level and production benefit improve constantly, and net cage is various informative, and complete floating net cage, drift line type net cage and butterfly net cage are arranged on the type.This class net cage material is light, and capacity of anti-storm is strong.Because it is changeable that the marine site direction of tide is partly cultured by China, the flow velocity of different water body aspects is higher, above-mentioned net cage has significantly been met some problems in actual use: when current surpass certain speed, then fish can consume one's strength because of the adverse current transition of moving about, can't normally take food, therefore can't obtain energy and grow up, die until heart failure.And net cage be subjected to multithread to trend impact after, general well damage.Therefore limited the expansion in the cage culture space in suitable fishing waters.
(3) summary of the invention
The objective of the invention is to overcome the shortcoming that above-mentioned existing net cage exists, provide a kind of can breed fish at the deep-sea have wind wave resistance, multithread to the better fish culture cage of performance such as, tide race.
For reaching above-mentioned purpose, fish culture cage of the present invention is characterized in comprising: horizontally disposed center floating drum; At least one row's support bar is hinged with described center floating drum; Some broadwise ropes are connected one by one with the top of described support bar and form ring-type; Some warp-wise ropes, the top from a client link of described center floating drum to described support bar links to the other end of described center floating drum again; The net sheet is connected with framework that described warp-wise rope and broadwise rope surround successively and forms closed; Choked flow cover is fixedly arranged on an end of center floating drum.
Fish culture cage of the present invention can also be realized in the following manner, is characterized in comprising: horizontally disposed center floating drum; With described center floating drum is the annular construction member that central shaft is arranged at periphery; Some warp-wise ropes from a client link of described center floating drum to described annular construction member, link to the other end of described center floating drum again; The net sheet is connected with framework that described annular construction member and warp-wise rope surround successively and forms closed; Choked flow cover is fixedly arranged on an end of center floating drum.
Fish culture cage of the present invention can also be realized in the following manner, is characterized in comprising: horizontally disposed center floating drum; With described center floating drum is the annular construction member that central shaft is arranged at periphery; Some rigid bodies are from a client link of described center floating drum to described annular construction member; Some warp-wise ropes link to described annular construction member from the other end of described center floating drum; The net sheet is connected with framework that described annular construction member and warp-wise rope surround successively and forms closed; Choked flow cover is fixedly arranged on an end of center floating drum.
Be provided with air chamber, interior sink-float chamber and the chamber of rising and falling in the floating drum of above-mentioned center outward.
The junction of above-mentioned warp-wise rope and center floating drum is provided with the rope tension device.
The two ends circumference of above-mentioned center floating drum is provided with the counterweight eye plate.
Above-mentioned Choked flow cover be shaped as streamlined, parabola shaped, sphere or pyramid.
Be provided with the air water control room in the above-mentioned support bar.
Be provided with the air water control room in the above-mentioned annular construction member.
After adopting such structure, fish culture cage one end and anchoring is fixed, the other end freely is suspended in the water, and also be provided with Choked flow cover in the net cage anchored end, when the water (flow) direction conversion, according to hydrodynamics, the net cage body is changed direction, Choked flow cover faces current all the time, and afterbody is swung along water (flow) direction, and is consistent with water (flow) direction.Therefore, the current behind the Choked flow cover are the eddy current state, and flow velocity reduces, and has formed the water environment that helps fish growth.Certainly, the anchored end of fish culture cage also can hang up power, or connects with stern, can move it easily, with the water environment of avoiding under emergency case, leave being unfavorable for fish growth or net cage being had considerable damage.In addition, because the middle part of whole fish culture cage is provided with horizontal rigid structure body---the center floating drum is the skeleton main body, and in the floating drum of center, be provided with the sink-float chamber, so just can control the sink-float of net cage by the drainage discharge of regulating the center floating drum, when meeting with high sea or red tide, can sink, to avoid the influence of stormy waves and trend.In addition, fish culture cage of the present invention makes it also can overturn at the water surface owing to be provided with the air water control room in support bar and annular construction member, so that clean the net sheet.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the Facad structure schematic diagram according to the fish culture cage of first embodiment of the invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the Facad structure schematic diagram according to the fish culture cage of second embodiment of the invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the Facad structure schematic diagram according to the fish culture cage of third embodiment of the invention.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the view of fish culture cage of the present invention when work.
(5) embodiment
Embodiment one
Be the structural representation of the fish culture cage of first kind of embodiment as shown in Figure 1, 2 according to the present invention, the central authorities of this fish culture cage are provided with horizontal rigid structure body---center floating drum 8, and have row's support bar 1 at least, exemplifying in the present embodiment is two row's support bars 1.
Two arrange the hinged mode that is connected to of support bars 1 and center floating drum 8.The connected mode that employing is hinged, its advantage are if the power on the support bar 1 of acting on when excessive, and support bar 1 can be swung backward, plays cushioning effect, and cage structure is not destroyed by the temporary impact load.Support bar 1 circumferentially is radial arrangement center floating drum 8.
Some broadwise ropes 2 are connected one by one with the top of support bar 1 and form ring-type and tensioning, and support bar 1 circumferentially can not swung.
One end of the therefrom flighty and impatient tube 8 of some warp-wise ropes 9 draws to support bar 1 top, draws to the other end of center floating drum 8 again.Wherein, warp-wise rope 9 comprises warp-wise cord segment 9a, 9b, 9c, and 9c makes warp-wise cord segment 9a, 9b tensioning by traction warp-wise cord segment, opens also tensioning of warp-wise cord segment 9c like this until support bar 1.Be provided with rope tension device (figure does not show) in the junction of warp-wise cord segment 9c and center floating drum 8, make rope when work, be in tensioning state all the time.
Choked flow cover 3 is installed in the front end (being left end among Fig. 1) of center floating drum 8, also can be connected with warp-wise cord segment 9c, and it can be made up of streamlined, parabola, sphere or pyramidal surface.Net sheet 12 is connected with the framework that broadwise rope 2 surrounds with warp-wise rope 9 successively, forms the body structure of a closed.
Can be divided into several separate spaces in the center floating drum 8, middle two is airtight air chamber 21a, 21b, the main buoyancy that is used to offset net cage gravity that produces, and the both sides, next door are interior sink- float chamber 22a, 22b, the outermost two ends are outer sink-float chamber 23a, 23b.As all inside and outside sink- float chamber 22a, 22b, 23a, when 23b all is full of water, net cage can be hidden by deadweight in the water about off sea 10 meters, remains on balance in the water by auxiliary balance float 4 and counterweight 7, to hide bigger stormy waves or red tide.After after sink- float chamber 22a, 22b charge into compressed air in two the water body of the inside being discharged, the buoyancy of center floating drum 8 increases, and the top come-up that makes net cage is to the sea, and this position is operating position normally at ordinary times.When all inside and outside sink- float chamber 22a, 22b, 23a, 23b all are full of compressed air, the water body of the inside is discharged, net cage will rise to the position of center floating drum 8, this position make the water capacity of net cage dwindle near half, finished product fish density in water body increases, and is fit to fishpump (figure does not show) fish be siphoned away.
In when results, support bar 1 can be tending towards level, net sheet 12 is shunk gradually, the shoal of fish is arrived in an end of net cage, fish density is further increased, the clingfish mouth 13 of fishpump by center floating drum 8 siphons away fish then.
The framework that whole net cage is surrounded by some warp-wise ropes 9 and broadwise rope 2, its structure has soft outside but hard inside characteristic, absorbs the better performances of trend energy.
Native system also can be realized a plurality of centers floating drum and many row's support bars.
Embodiment two
Be depicted as the structural representation of the fish culture cage of second kind of embodiment according to the present invention as Fig. 3,4, this net cage has horizontal rigid structure body---center floating drum 8, and have an annular construction member 24 at least, exemplifying in the present embodiment is two annular construction members 24.
Two annular construction members 24 are that central shaft is arranged at periphery with center floating drum 8, and the annular construction member 24 of indication can be changeable shape (as triangle, quadrangle etc.) or annular here.
One end of the therefrom flighty and impatient tube of warp-wise rope 98 draws to annular construction member 24 and connects with it, draws the other end and tensioning to center floating drum 8 again from annular construction member 24 then.Warp-wise rope 9 is at least three, and on annular construction member 24, evenly distribute, just as the spoke of annulus both sides tensioning all the time, thereby be formed with the spoke on both sides and the frame structure that annular construction member 24 is formed on the whole, this structure just need not the support of broadwise rope.
The fish culture cage of second embodiment as mentioned above, its design feature is: when flow action is on annular construction member 24, warp-wise rope 9 can draw annular construction member 24, make the stressed of framework can be diffused into other positions uniformly, whole frame deformation is reduced relatively, simultaneously, because the warp-wise rope has certain retractility after the external force that happened suddenly, therefore also can absorb the portion of energy that trend is impacted.On center floating drum 8, have one can be by the slip annulus 15 of cable traction, but these slip annulus 15 predetermined fixed are at an end of center floating drum 8, net sheet 12a can be connected with slip annulus 15, a side warp-wise rope 9, annular construction member 24, net sheet 12b is connected with the other end of annular construction member 24 and center floating drum 8, forms the body structure of a closed.The novel part of this structure is, when needs are caught the finished product fish, can will draw the middle part of slip annulus 15 by warp-wise rope 9 to net cage, the net sheet 12a that is connected with slip annulus 15 simultaneously also is contracted to medium position, thereby increased the density of fish in water, helped fish and rise and catch.
Native system also can be realized a plurality of centers floating drum and a plurality of annular construction member.
Embodiment three
Be depicted as the structural representation of the fish culture cage of the third embodiment according to the present invention as Fig. 5,6, this net cage has horizontal rigid structure body---center floating drum 8, and have an annular construction member 24 at least, exemplifying in the present embodiment is two annular construction members 24.
This net cage is a rigid body 16 in the face of the frame structure of current one side, and surface coverage has the Choked flow cover 3 of sphere (or parabola or pyramidal surface etc.) shape, and to resist the impact of strong current, at least one annular construction member 24 is established at the middle part.One end of the therefrom flighty and impatient tube 8 of rope 9 draws to annular construction member 24 and connects with it, draws to rigid body 16 and tensioning from annular construction member 24 then again.Warp-wise rope 9 is at least three, and evenly distributes on annular construction member 24 and rigid body 16, as the spoke of annulus both sides tensioning all the time, thereby is formed with the frame structure that the spoke on both sides and annular construction member 24 and rigid body 16 are formed.On center floating drum 8, have one can be by the slip annulus 15 of cable traction, the functional characteristic of slip annulus 15 is described with second embodiment, but predetermined fixed is at an end of center floating drum 8, net sheet 12a can be connected with slip annulus 15, a side warp-wise rope 9, annular construction member 24, net sheet 12b is connected with annular construction member 1 and rigid body 16, form the body structure of a closed, the operation during fishing is described with second embodiment.
Adopt another advantage of rigid frame to be simultaneously, can consider to build a little workbench, for feeding intake and observing the living conditions of fish in a side of rigid frame.
This structure also can realize many center floating drums and many row's annulus or support rod shaped structure.
Commercial Application
Three kinds of embodiment in sum, though we can see various structure and the method for having adopted, form fish culture cage of the present invention by waiting with multiple parts such as support bar, rope, annular construction member, rigid body to replace, but the purpose that realizes but all is identical, sketches the view of fish culture cage of the present invention when working below with reference to Fig. 7.
On the circumference of the two ends of center floating drum 8, be provided with uniform counterweight eye plate 14, can make net cage realize upset by counterweight 7 is hung on the counterweight eye plate 14 of diverse location.Its benefit is just can to clean the net sheet 12 of each face of net cage on the water surface, having solved needs the diver could clean this complexity of net sheet and expensive procedures usually.In addition, the support bar described in can embodiment one and the inner chamber of the annular construction member described in the embodiment two, three are set to hollow body (figure does not show), and respectively in support bar and annular construction member inner inflatable or pour water, form the air water control room.Like this, when needed, can pour water, make the centre-of gravity shift of casing, thereby reach the casing purpose of upset automatically adjacent several rod member inside.
Fish culture cage of the present invention, its anchoring system also have the novel part that is different from other net cage.Common net cage generally needs at least four anchors to locate.And after the employing native system, at most only locate just passable with two anchors, its advantage of saving cost has just embodied, as shown in Figure 7, one end of net cage by cable traction to ball float 5, simultaneously draw two ropes to both sides respectively by ball float 5 again and be connected to anchor chain, and locate by the anchor 6 on both sides, therefore whole net cage can be the central axis swing or rotate with ball float 5.Adopt the benefit of two positioning of anchor modes to be that the radius of gyration of net cage is half of single positioning of anchor, has saved effective cultured area.
Fish culture cage of the present invention, its cultivating system can form the combination net cage with the head and the tail series connection one by one of single net cage.Along with the variation that seawater flows to, the combination net cage also can be along trend work.When running into bigger stormy waves, dive one by one.The working method that makes up net cage simultaneously also is convenient to centralized management, increases to culture efficient.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Claims (10)
1. fish culture cage is characterized in that comprising:
Horizontally disposed center floating drum;
At least one row's support bar is hinged with described center floating drum;
Some broadwise ropes are connected one by one with the top of described support bar and form ring-type;
Some warp-wise ropes, the top from a client link of described center floating drum to described support bar links to the other end of described center floating drum again;
The net sheet is connected with framework that described warp-wise rope and broadwise rope surround successively and forms closed;
Choked flow cover is fixedly arranged on an end of center floating drum.
2. fish culture cage is characterized in that comprising:
Horizontally disposed center floating drum;
With described center floating drum is the annular construction member that central shaft is arranged at periphery;
Some warp-wise ropes from a client link of described center floating drum to described annular construction member, link to the other end of described center floating drum again;
The net sheet is connected with framework that described annular construction member and warp-wise rope surround successively and forms closed;
Choked flow cover is fixedly arranged on an end of center floating drum.
3. fish culture cage is characterized in that comprising:
Horizontally disposed center floating drum;
With described center floating drum is the annular construction member that central shaft is arranged at periphery;
Some rigid bodies are from a client link of described center floating drum to described annular construction member;
Some warp-wise ropes link to described annular construction member from the other end of described center floating drum;
The net sheet is connected with framework that described annular construction member and warp-wise rope surround successively and forms closed;
Choked flow cover is fixedly arranged on an end of center floating drum.
4. as any described fish culture cage in the claim 1 to 3, it is characterized in that: be provided with air chamber, interior sink-float chamber and the chamber of rising and falling in the floating drum of described center outward.
5. as any described fish culture cage in the claim 1 to 3, it is characterized in that: the junction of described warp-wise rope and described center floating drum is provided with the rope tension device.
6. as any described fish culture cage in the claim 1 to 3, it is characterized in that: the two ends circumference of described center floating drum is provided with the counterweight eye plate.
7. as any described fish culture cage in the claim 1 to 3, it is characterized in that: described Choked flow cover be shaped as streamlined, parabola shaped, sphere or pyramid.
8. as claim 2 or 3 described fish culture cages, it is characterized in that: an end of described center floating drum is provided with the annulus that movably slides, and described slip annulus is connected with described net sheet.
9. fish culture cage as claimed in claim 1 is characterized in that: be provided with the air water control room in the described support bar.
10. as claim 2 or 3 described fish culture cages, it is characterized in that: be provided with the air water control room in the described annular construction member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310108298XA CN100512635C (en) | 2003-10-31 | 2003-10-31 | Net cage for fish culture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310108298XA CN100512635C (en) | 2003-10-31 | 2003-10-31 | Net cage for fish culture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1611110A true CN1611110A (en) | 2005-05-04 |
| CN100512635C CN100512635C (en) | 2009-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200310108298XA Expired - Fee Related CN100512635C (en) | 2003-10-31 | 2003-10-31 | Net cage for fish culture |
Country Status (1)
| Country | Link |
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| CN (1) | CN100512635C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499144A (en) * | 2011-10-26 | 2012-06-20 | 浙江海洋学院 | One-way streaming cage |
| CN103125414A (en) * | 2013-03-18 | 2013-06-05 | 浙江海洋学院 | Rotatable self-propulsion-type anti-wind-wave deep water cage |
| NO342556B1 (en) * | 2016-12-15 | 2018-06-18 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| CN113940300A (en) * | 2021-09-22 | 2022-01-18 | 海南大学 | Marine ranching breeding device for deep sea area |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103039391B (en) * | 2013-01-17 | 2015-07-22 | 宁德市海洋技术开发有限公司 | Current blocking device for marine cage culture |
| NO20171271A1 (en) | 2017-07-31 | 2018-10-15 | Marad Norway As | Fish Farm |
-
2003
- 2003-10-31 CN CNB200310108298XA patent/CN100512635C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499144A (en) * | 2011-10-26 | 2012-06-20 | 浙江海洋学院 | One-way streaming cage |
| CN103125414A (en) * | 2013-03-18 | 2013-06-05 | 浙江海洋学院 | Rotatable self-propulsion-type anti-wind-wave deep water cage |
| CN103125414B (en) * | 2013-03-18 | 2014-07-16 | 浙江海洋学院 | Rotatable self-propulsion-type anti-wind-wave deep water cage |
| NO342556B1 (en) * | 2016-12-15 | 2018-06-18 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| NO20161999A1 (en) * | 2016-12-15 | 2018-06-18 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| WO2018111111A1 (en) * | 2016-12-15 | 2018-06-21 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| GB2572095A (en) * | 2016-12-15 | 2019-09-18 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| RU2738412C1 (en) * | 2016-12-15 | 2020-12-14 | АйДС ИНВЕСТ АС | Floating structure for fish and water exoskeleton animals breeding |
| GB2572095B (en) * | 2016-12-15 | 2022-02-16 | Ids Invest As | A floating arrangement for breeding fish and shellfish |
| CN113940300A (en) * | 2021-09-22 | 2022-01-18 | 海南大学 | Marine ranching breeding device for deep sea area |
| CN113940300B (en) * | 2021-09-22 | 2022-11-25 | 海南大学 | Marine ranching breeding device for deep sea area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100512635C (en) | 2009-07-15 |
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Granted publication date: 20090715 Termination date: 20121031 |