CN104604766A - Net cage system with symmetrical wing type sections - Google Patents
Net cage system with symmetrical wing type sections Download PDFInfo
- Publication number
- CN104604766A CN104604766A CN201510014514.7A CN201510014514A CN104604766A CN 104604766 A CN104604766 A CN 104604766A CN 201510014514 A CN201510014514 A CN 201510014514A CN 104604766 A CN104604766 A CN 104604766A
- Authority
- CN
- China
- Prior art keywords
- framework
- pipeline section
- net cage
- float tube
- section
- Prior art date
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- Granted
Links
- 238000009395 breeding Methods 0.000 claims description 17
- 230000001488 breeding effect Effects 0.000 claims description 17
- 229910001651 emery Inorganic materials 0.000 claims description 14
- 239000010977 jade Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a net cage system with symmetrical wing type sections. The system comprises a floating pipe frame (1) and a net (2). The top of the net (2) is connected with the floating pipe frame (1), multiple net heavy weights (3) are hanged along the bottom edge of the net (2), and therefore cultivation space with a cross-sectional shape matched with the floating pipe frame (1) is formed. The floating pipe frame (1) is provided with a frame mooring point used for single point mooring. The system is characterized in that a symmetrical wing type frame is arranged on the floating pipe frame (1), the frame mooring point is arranged on the leading edge (1a) of the symmetrical wing type frame, and the cultivation space with the cross-sectional shaped section is formed by the net (2). The system effectively reduces the incident flow area when the net cage system is in a stable state, and therefore resistance of the net cage system to water flow is reduced. Accordingly, effects that the volume loss ratio of the net is reduced, the safety of a mooring point structure is improved and the dynamic response performance of the frame system of the net cage among environmental loading, mooring line water power, a mooring system and mooring gloating bodies ( the floating pipe frame (1)) is improved are brought about.
Description
Technical field
The present invention relates to a kind of net cage system with symmetrical airfoil section.
Background technology
Up to now, no matter be cylindricality deep water mesh cage or platform shape deep water mesh cage, its shape of cross section roughly has circular and square two kinds, wherein accounts for the overwhelming majority with circle again.Net cage comprises float tube frame system, netting system, mooring system and subsystem (counterweight etc.) composition, wherein the effect of float tube frame system has the buoyancy providing netting system to need, maintain shape required for netting system, resist the effects such as the power that all systems are directly or indirectly applied thereto; Netting system mainly crosses a breeding water body for cultured fishes activity.Cage culture is carried out in flowing waters needs the problem considered emphatically to be how to reduce net cage volumetric loss to cultivating the negative effect brought, and volumetric loss mainly can create resistance because netting system is placed in fluid, resistance reacts on netting system causes flexible etting deform and occur.Fluoran stream surface due to the size of resistance and works in fluid is long-pending to be directly proportional, and fluoran stream surface is long-pending, and to be then subject to greatly resistance large, and works is easily out of shape, and vice versa.Therefore for the etting of certain cultivation volume, volumetric loss rate be reduced and namely will reduce water resistance, etting fluoran stream surface can be reduced and amass.So not only etting distortion is little, because resistance diminishes, the stressed of float tube framework also diminishes thereupon, and therefore the structure at framework mooring point place is safer, corresponding mooring system (anchor, anchor chain, heaving pile etc.) all can corresponding reduction magnitude in design, saves cost.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of net cage system with symmetrical airfoil section.
Solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of net cage system with symmetrical airfoil section, comprise float tube framework and etting, the top of described etting connects float tube framework, bottom sides hangs with multiple etting along system and heavily cuts or polish jade with an emery wheel, to form shape of cross section and the suitable breeding spaces of float tube framework, described float tube framework is provided with the framework mooring point for single point mooring, it is characterized in that: described float tube framework is provided with symmetrical airfoil framework, described framework mooring point is arranged on the leading edge locus of symmetrical airfoil framework, and it is the breeding spaces claiming aerofoil profile that described etting forms cross section.
In order to reduce to greatest extent under the prerequisite guaranteeing net cage system buoyancy current to etting form the influence of crust deformation of breeding spaces, improve etting form the stability of breeding spaces, as a modification of the present invention, multiple ettings that described system hangs over etting bottom sides edge are heavily cut or polish jade with an emery wheel the front tube section, left side central portion pipeline section, right side central pipeline section and the rear portion pipeline section that correspond respectively to float tube framework and are evenly arranged, and meet ρ
1> ρ
3> ρ
2=ρ '
2relation, wherein, the counterweight that etting is heavily cut or polish jade with an emery wheel corresponding to the front tube section of float tube framework, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section arranges that density is respectively
With
And L
2=L '
2, L
1, L
2, L '
2and L
3be respectively the length of the front tube section of float tube framework, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section, N
1, N
2, N '
2and N
3it is extension quantity that the etting be respectively corresponding to the front tube section of float tube framework, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section is heavily cut or polish jade with an emery wheel.
In order to the increase buoyancy of float tube framework, as a modification of the present invention, described float tube framework has additional the described symmetrical airfoil framework of one deck or more, described each layer symmetrical airfoil framework is in the same plane, the installing of adjacent two layers symmetrical airfoil framework inner-outer sleeve is put, and described each layer symmetrical airfoil framework is fixed by connector.
In order to reach optimum reduction resistance to water-flow effect, as one of the preferred embodiment of the present invention, described symmetrical airfoil framework is made up of shaped form float tube.
In order to reduce the production cost of the float tube framework after large-scale production and accelerate the installation rate of float tube framework, as the preferred embodiment of the present invention two, described symmetrical airfoil framework is made up of linear float tube.
Wherein, described symmetrical airfoil framework has class curved front pipeline section, class V-arrangement rear portion pipeline section and is positioned at this left side central portion pipeline section between the two and right side central pipeline section, the protrusion direction of described class curved front pipeline section and class V-arrangement rear portion pipeline section is contrary, the centre position of described class curved front pipeline section is the leading edge locus of symmetrical airfoil framework, and the tip location of described class V-arrangement rear portion pipeline section is the posterior border position of symmetrical airfoil framework.
Described etting can form cylindricality breeding spaces, also can form up big and down small platform shape breeding spaces.
Compared with prior art, the present invention has following beneficial effect:
First, net cage system of the present invention is provided with the float tube framework of symmetrical airfoil, make that etting is adaptive defines the breeding spaces that cross section is symmetrical airfoil, and, framework mooring point is arranged on the leading edge locus of symmetrical airfoil framework, make the front tube section of float tube framework and to should front tube section etting front portion can become fluoran stream surface under the stable state of this net cage system, therefore effectively reduce this net cage system fluoran stream surface at steady state to amass, thus reduce the resistance of this net cage system to current; Thus, the effect that etting volumetric loss rate reduces, mooring point safety of structure improves and the frame system of net cage improves in environmental load, mooring line hydrodynamic force, dynamic response performance between mooring system and moored float (i.e. float tube framework) is brought;
Second, the present invention by will be that the multiple ettings hanging over etting bottom sides edge are heavily cut or polish jade with an emery wheel the front tube section, left side central portion pipeline section, right side central pipeline section and the rear portion pipeline section that correspond respectively to float tube framework and are evenly arranged, and makes etting heavily cut or polish jade with an emery wheel to arrange that density meets ρ in the counterweight of these four pipeline sections
1> ρ
3> ρ
2=ρ '
2, thus reduce to greatest extent under the prerequisite guaranteeing net cage system buoyancy current to etting form the influence of crust deformation of breeding spaces, effectively raise etting form the stability of breeding spaces;
3rd, the present invention by having additional the symmetrical airfoil framework of one deck or more, thus can improve the buoyancy of float tube framework;
4th, net cage system of the present invention and existing net cage are manufactured flow process and are contrasted, do not change construction work flow, do not increase unnecessary parts, do not reduce cultivation the prerequisite of volume base under, improve the resistance to fluidity of netting system, make cultivation efficiently safer.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1-1 is the structural representation of the net cage system of the embodiment of the present invention one;
Fig. 1-2 is the left view of Fig. 1-1;
Fig. 1-3 is the vertical view of Fig. 1-1;
Fig. 2 is the vertical view of the net cage system of the embodiment of the present invention two;
Fig. 3-1 is one of vertical view of the net cage system of the embodiment of the present invention three;
Fig. 3-2 is the vertical view two of the net cage system of the embodiment of the present invention three;
Fig. 4-1 is the structural representation of the net cage system of the embodiment of the present invention four;
Fig. 4-2 is the left view of Fig. 4-1.
Embodiment
Embodiment one
As shown in Fig. 1-1 to Fig. 1-3, the net cage system with symmetrical airfoil framework of the embodiment of the present invention one, comprises float tube framework 1 and etting 2.
Above-mentioned float tube framework 1 is provided with symmetrical airfoil framework, this symmetrical airfoil framework is made up of shaped form float tube, have class curved front pipeline section 101, class V-arrangement rear portion pipeline section 102 and be positioned at this left side central portion pipeline section 103 between the two and right side central pipeline section 104, the protrusion direction of class curved front pipeline section 101 and class V-arrangement rear portion pipeline section 102 is contrary, the centre position of class curved front pipeline section 101 is the leading edge locus of symmetrical airfoil framework, and the tip location of class V-arrangement rear portion pipeline section 102 is the posterior border position of symmetrical airfoil framework.Float tube framework 1 is provided with the framework mooring point for single point mooring, and this framework mooring point is arranged on the leading edge locus 1a of symmetrical airfoil framework.
The top of above-mentioned etting 2 connects float tube framework 1, bottom sides hangs with multiple etting along system and heavily cuts or polish jade with an emery wheel 3, with formed shape of cross section and float tube framework 1 suitable, cross section is for claiming the cylindricality breeding spaces of aerofoil profile.This is that the multiple ettings hanging over etting 2 bottom sides edge are heavily cut or polish jade with an emery wheel 3 front tube section corresponding respectively to float tube framework 1, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section and are evenly arranged, and meets ρ
1> ρ
3> ρ
2=ρ '
2relation, wherein, etting is heavily cut or polish jade with an emery wheel 3 counterweights corresponding to the front tube section of float tube framework 1, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section and is arranged that density is respectively
With
And L
2=L '
2, L
1, L
2, L '
2and L
3be respectively the length of the front tube section of float tube framework 1, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section, N
1, N
2, N '
2and N
3it is extension quantity that the etting be respectively corresponding to the front tube section of float tube framework 1, left side central portion pipeline section, right side central pipeline section and rear portion pipeline section heavily cuts or polish jade with an emery wheel 3.
The operation principle of net cage system of the present invention is:
Based on the characteristic of single point mooring's mode, net cage system of the present invention is when running into the current in any specific direction, by under the pulling force effect that acts in anchoring system on the framework mooring point of float tube framework 1, finally be stabilized in the leading edge locus 1a of float tube framework 1 as the state of meeting stream forefront, now, the front tube section of float tube framework 1 and to etting 2 front portion of front tube section becoming the fluoran stream surface of net cage system, the float tube framework 1 that have employed symmetrical airfoil due to net cage system of the present invention makes that etting 2 is also adaptive defines the breeding spaces that cross section is symmetrical airfoil, therefore effectively reduce this net cage system fluoran stream surface at steady state to amass, thus reduce the resistance of this net cage system to current, thus, the effect that etting 2 volumetric loss rate reduces, mooring point safety of structure improves and the frame system of net cage improves in environmental load, mooring line hydrodynamic force, dynamic response performance between mooring system and moored float (i.e. float tube framework) is brought.
Embodiment two
As shown in Figure 2, the net cage system of the embodiment of the present invention two is substantially identical with embodiment one, and their difference is: in the present embodiment two, and symmetrical airfoil framework is made up of linear float tube.
The effect that the present embodiment two reduces resistance to water-flow is inferior to embodiment one, but can reduce the production cost of the float tube framework after large-scale production and accelerate the installation rate of float tube framework.
Embodiment three
As shown in figure 3-1, the net cage system of the embodiment of the present invention three is substantially identical with embodiment one, their difference is: in the present embodiment three, float tube framework 1 has additional one deck or more symmetrical airfoil framework, each layer symmetrical airfoil framework is in the same plane, the installing of adjacent two layers symmetrical airfoil framework inner-outer sleeve is put, and each layer symmetrical airfoil framework is fixed by connector 4.Thus the present embodiment three effectively can increase the buoyancy of float tube framework 1.
In addition, see Fig. 3-2, the present embodiment three increases the mode of float tube framework 1 buoyancy by having additional one deck or more symmetrical airfoil framework, also can be applied in embodiment two.
Embodiment four
As shown in Fig. 4-1 and Fig. 4-2, the net cage system of the embodiment of the present invention four can adopt any one structure of above-described embodiment one to three, and be with their difference: in the present embodiment four, etting 2 forms up big and down small platform shape breeding spaces.
The present invention does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; the present invention can also make the equivalent modifications of other various ways, replacement or change, all drops among protection scope of the present invention.
Claims (8)
1. one kind has the net cage system of symmetrical airfoil section, comprise float tube framework (1) and etting (2), the top of described etting (2) connects float tube framework (1), bottom sides hangs with multiple etting along system and heavily cuts or polish jade with an emery wheel (3), to form shape of cross section and the suitable breeding spaces of float tube framework (1), described float tube framework (1) is provided with the framework mooring point for single point mooring, it is characterized in that: described float tube framework (1) is provided with symmetrical airfoil framework, described framework mooring point is arranged on the leading edge locus (1a) of symmetrical airfoil framework, it is the breeding spaces claiming aerofoil profile that described etting (2) forms cross section.
2. net cage system according to claim 1, it is characterized in that: multiple ettings that described system hangs over etting (2) bottom sides edge are heavily cut or polish jade with an emery wheel (3) and corresponded respectively to the front tube section of float tube framework (1), left side central portion pipeline section, right side central pipeline section and rear portion pipeline section and be evenly arranged, and meet ρ
1> ρ
3> ρ
2=ρ
2' relation, corresponding to the counterweight of the front tube section of float tube framework (1), left side central portion pipeline section, right side central pipeline section and rear portion pipeline section, wherein, etting is heavily cut or polish jade with an emery wheel (3) arranges that density is respectively
With
And L
2=L
2', L
1, L
2, L
2' and L
3be respectively the length of the front tube section of float tube framework (1), left side central portion pipeline section, right side central pipeline section and rear portion pipeline section, N
1, N
2, N
2' and N
3it is extension quantity that the etting be respectively corresponding to the front tube section of float tube framework (1), left side central portion pipeline section, right side central pipeline section and rear portion pipeline section heavily cuts or polish jade with an emery wheel (3).
3. net cage system according to claim 1, it is characterized in that: described float tube framework (1) has additional the described symmetrical airfoil framework of one deck or more, described each layer symmetrical airfoil framework is in the same plane, the installing of adjacent two layers symmetrical airfoil framework inner-outer sleeve is put, and described each layer symmetrical airfoil framework is fixed by connector (4).
4. the net cage system according to claims 1 to 3 any one, is characterized in that: described symmetrical airfoil framework is made up of shaped form float tube.
5. the net cage system according to claims 1 to 3 any one, is characterized in that: described symmetrical airfoil framework is made up of linear float tube.
6. the net cage system according to claims 1 to 3 any one, it is characterized in that: described symmetrical airfoil framework has class curved front pipeline section (101), class V-arrangement rear portion pipeline section (102) and be positioned at this left side central portion pipeline section (103) between the two and right side central pipeline section (104), the protrusion direction at described class curved front pipeline section (101) and class V-arrangement rear portion pipeline section (102) is contrary, the centre position of described class curved front pipeline section (101) is the leading edge locus of symmetrical airfoil framework, the tip location of described class V-arrangement rear portion pipeline section (102) is the posterior border position of symmetrical airfoil framework.
7. the net cage system according to claims 1 to 3 any one, is characterized in that: described etting (2) forms cylindricality breeding spaces.
8. the net cage system according to claims 1 to 3 any one, is characterized in that: described etting (2) forms up big and down small platform shape breeding spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014514.7A CN104604766B (en) | 2015-01-12 | 2015-01-12 | Net cage system with symmetrical airfoil section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014514.7A CN104604766B (en) | 2015-01-12 | 2015-01-12 | Net cage system with symmetrical airfoil section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104604766A true CN104604766A (en) | 2015-05-13 |
| CN104604766B CN104604766B (en) | 2017-03-29 |
Family
ID=53139642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510014514.7A Active CN104604766B (en) | 2015-01-12 | 2015-01-12 | Net cage system with symmetrical airfoil section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104604766B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106818579A (en) * | 2017-01-12 | 2017-06-13 | 中国水产科学研究院南海水产研究所 | A kind of articulated constuction and method of construction of symmetrical airfoil net cage float tube framework |
| CN107517906A (en) * | 2017-02-07 | 2017-12-29 | 浙江舟山海王星蓝海开发有限公司 | A kind of single point mooring's ship shape floats frame and adjusts load lifting net cage |
| CN108371128A (en) * | 2018-02-13 | 2018-08-07 | 中国水产科学研究院南海水产研究所 | Integrated symmetrical airfoil deep-water net cage culture system |
| CN108633803A (en) * | 2018-04-02 | 2018-10-12 | 中国水产科学研究院南海水产研究所 | A kind of double airfoil type deep water mesh cage being applicable in single point mooring |
| CN109496827A (en) * | 2018-11-14 | 2019-03-22 | 浙江海洋大学 | A kind of wind and wave resistance algae culturing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108633803A (en) * | 2018-04-02 | 2018-10-12 | 中国水产科学研究院南海水产研究所 | A kind of double airfoil type deep water mesh cage being applicable in single point mooring |
| CN109496827A (en) * | 2018-11-14 | 2019-03-22 | 浙江海洋大学 | A kind of wind and wave resistance algae culturing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104604766B (en) | 2017-03-29 |
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