CN103814850A - Fish wintering aquaculture net cage and method for wintering aquacultured Nibea albiflora by utilizing net cage - Google Patents
Fish wintering aquaculture net cage and method for wintering aquacultured Nibea albiflora by utilizing net cage Download PDFInfo
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- CN103814850A CN103814850A CN201410078152.3A CN201410078152A CN103814850A CN 103814850 A CN103814850 A CN 103814850A CN 201410078152 A CN201410078152 A CN 201410078152A CN 103814850 A CN103814850 A CN 103814850A
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- net cage
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- rigid support
- fish
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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
Abstract
The invention relates to a fish wintering aquaculture net cage and a method for wintering aquacultured Nibea albiflora by utilizing the net cage, and belongs to the technical field of fish aquaculture. The fish wintering aquaculture net cage comprises a canvas hood arranged all around and a rigid support provided with a canvas layer at the bottom, wherein the canvas hood is formed by connecting four sheets of canvas matched with four surfaces of the rigid support through four zippers; the area of the canvas layer is greater than that of the bottom of the rigid support; the canvas layer is of a convex cambered surface structure; the center of a convex cambered surface is connected with a discharge pipe. According to the wintering aquaculture net cage disclosed by the invention, the canvas hood can be opened and closed, when the canvas hood is closed, a relatively stable and still closed aquaculture space is formed in the net cage so as to achieve a better heat preservation effect for wintering the aquacultured Nibea albiflora, when peripheral water is polluted, a better blocking effect can also be achieved, and when the canvas hood is opened, the net cage can also be used for aquaculture in regular seasons; the fish wintering aquaculture net cage and the method are a product and an aquaculture method worthy of large-area promotion.
Description
Technical field
The invention belongs to fish culture technical field, be specifically related to a kind of fish overwinter fish culture net cage and utilize this net cage to survive the winter cultivate the method for spotted maigre.
Background technology
Spotted maigre, belongs to Perciformes, Sciaenidae, and Nibea, the bodily form and yellow croaker have resemblance, are lower floor fish in coastal waters, mainly inhabit the more shallow littoral sea of sand mud substrate, take zoobenthos such as small-sized shell-fish and small fish as food.Be distributed in northwest Pacific district, comprise South China Sea, the East Sea and southern Yellow Sea, the most suitable growth water temperature is 24 ℃ ~ 29 ℃, 24 ℃ ~ 28 ℃ of the water temperatures of laying eggs, age at sexual maturity is 2 week age, and suitable salt scope 10 ‰ ~ 40 ‰ of growth are the desirable kinds of China's southeastern coast propagation and cultivation.At present, large-scale artificial breeding and cultivation have been carried out in areas such as China Jiangsu, Zhejiang and Fujian.The main culture zone of spotted maigre is positioned at the middle part in China coastline, and winter, sea area water temperature was low to moderate 6 ℃ ~ 7 ℃, and low temperature can cause cultivation spotted maigre to occur large quantities of death for a long time, so spotted maigre cultivation needs indoor wintering.But need personal management and intensification indoor wintering, consume a large amount of energy and materials and manpower, increase aquaculture cost, be unfavorable for the popularization of spotted maigre industry.
Summary of the invention
For the defect existing in prior art, the object of the invention is to design provides a kind of and is convenient to the outdoor net cage of surviving the winter of fish, and outdoor net cage overwintering cultivation method.
To achieve these goals, the present invention has adopted following technical scheme: a kind of fish overwinter fish culture net cage, comprise buoyancy aid framework, rigid support and be arranged on the mesh bag in rigid support, described buoyancy aid framework is hung in rigid support in water by manrope, it is characterized in that described rigid support is cuboid structure, comprise upper bracket and the lower carriage of rectangular configuration, and four connecting rods of connection upper bracket and lower carriage, described rigid support surrounding is provided with canvas shroud, bottom is provided with canvas layer, described canvas shroud is connected and composed by four slide fasteners between two by four canvas that match with four faces of rigid support, after canvas shroud band slide fastener, one end of code is fixedly installed on upper bracket, on the pull head of described slide fastener, be fixedly connected with a chain, the two ends of described chain are connected on pull head, centre is equipped with driven by motor chain back and forth movement, described canvas layer area is greater than rigid support floor space, is fixedly installed on lower carriage, is convex globoidal structure, and the center of convex globoidal is connected with a blow-off pipe, and the described blow-off pipe other end connects water pump.
Described blow-off pipe is provided with agitating device with one end that convex globoidal center is connected, described agitating device comprises holder, connection bearing, central siphon, rolling bearing and moving blade, described holder is the tubular structure of hollow, fixed cover is located in the blow-off pipe mouth of pipe, in holder annular uniform three for being fixedly connected with the dead lever of bearing, described central siphon one end is connected with connection bearing, and the other end is connected with moving blade by described rolling bearing.
Described water pump other end connection arranges feculence box, and the one side that described feculence box is relative with water pump is set to filter structure.
A kind of spotted maigre overwintering cultivation method, uses above-mentioned net cage, it is characterized in that comprising the following steps:
(a) net cage is set off shore, spotted maigre is supported in the mesh bag of described net cage, in the time that water temperature is reduced to 12 ℃, start motor autumn, by chain-driving net cage canvas shroud slide fastener closure, makes canvas shroud cover whole net cage surrounding;
(b) on floating frame, build a light-transmissive film ceiling;
(c) take timing, fixed point, the quantitative bait of throwing something and feeding, bait is chilled squid, throws something and feeds every day 1 time, and feeding volume is to raise 1% of spotted maigre gross weight;
(d) every 3-5 days, open water pump and carry out blowdown, and on floating frame, arrange another delivery pump, the water of thermophilic is at the uniform velocity injected to net cage, each quantity of exchanged water is 1/10 of net cage volume;
(e) after the beginning of spring, when water temperature rises to 12 ℃, remove light-transmissive film ceiling, start motor, open by chain-driving net cage canvas shroud slide fastener, then respectively canvas is rolled, enter common cage culture program.
Compared with prior art, tool has the following advantages in the present invention:
1. the present invention is provided with respectively canvas shroud and canvas layer in traditional net cage surrounding and bottom, make a relatively stable static sealing breeding spaces of formation in net cage, both can play an effect that keeps preferably water temperature, in the time that peripheral water is subject to polluting, can play again good Intercepting effect, and canvas shroud is to be connected and composed between two by slide fastener by four canvas, can close and can divide, and can be applicable to different cultivation demands.
2. canvas layer area of the present invention is set to be greater than rigid support floor space, is convex globoidal structure, and convenient by ight soil, swill focuses on convex globoidal center, discharges by the blow-off pipe arranging at convex globoidal center.
3. the present invention is provided with agitating device at blow-off pipe with one end that convex globoidal center is connected, and in the time of the starting mode of pump being connected with blow-off pipe, drives moving blade to rotate by the suction of water pump, makes to form whirlpool near the mouth of pipe, accelerates blowdown.
4. the present invention connects feculence box at the other end of water pump, by ight soil and the swill centralized collection of collecting, reduces environmental pollution.
5. the present invention builds a light-transmissive film ceiling on floating frame, neither affects light transmission, can play again better heat insulation effect.
6. spotted maigre overwintering cultivation method of the present invention, does not need again spotted maigre to be proceeded to indoor wintering, saves a large amount of energy and materials and manpower, has reduced aquaculture cost.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present invention;
Fig. 2 is structural representation two of the present invention;
Fig. 3 is A of the present invention place agitating device enlarged diagram;
In figure: 1-feculence box; 2-water pump; 3-upper bracket; 4-chain; 5-slide fastener; 6-lower carriage; 7-pull head; 8-blow-off pipe; 9-buoyancy aid framework; 10-light-transmissive film ceiling; 11-motor; 12-moving blade; 13-connection bearing; 14-holder; 15-rolling bearing; 16-central siphon; 17-dead lever.
Embodiment
Below in conjunction with Figure of description, specific embodiments of the invention are described in further details.
As Figure 1-3, a kind of fish overwinter fish culture net cage of the present invention, comprise buoyancy aid framework 9, rigid support and be arranged on the mesh bag in rigid support, described rigid support is cuboid structure, comprise upper bracket 3 and the lower carriage 6 of rectangular configuration, and four connecting rods of connection upper bracket 3 and lower carriage 6, described buoyancy aid framework 9 is hung in rigid support in water by manrope, and makes upper bracket 3 higher than water surface 5-10 centimetre.Described rigid support surrounding is provided with canvas shroud, described canvas shroud is connected and composed by four slide fasteners 5 between two by four canvas that match with these four faces, require canvas shroud and rigid support to fit tightly, slide fastener 5 positions are corresponding with connecting rod respectively, one end of the rear code of described canvas shroud band slide fastener 5 is fixedly installed on upper bracket 3, on the pull head 7 of described slide fastener 5, be fixedly connected with a chain 4, the two ends of described chain 4 are connected on pull head 7, centre is equipped with motor 11 and drives chain 4 back and forth movements, thereby drives the open and close of slide fastener 5.The bottom of described rigid support is provided with canvas layer, canvas layer area is greater than rigid support floor space, be fixedly installed on lower carriage 6, also can be fixedly installed on connecting rod, apart from lower carriage 6 five to ten centimeters, be convex globoidal structure, the center of convex globoidal is connected with a blow-off pipe 8, described blow-off pipe 8 is provided with agitating device with junction, convex globoidal center, described agitating device comprises holder 14, connection bearing 13, central siphon 16, rolling bearing 15 and moving blade 12, the tubular structure that described holder 14 is hollow, fixed cover is located in blow-off pipe 8 mouths of pipe, the interior annular of holder 14 uniform three for being fixedly connected with the dead lever 17 of bearing 13, can well be fixedly connected with like this bearing 13, not affecting again current passes through, described central siphon 16 one end are connected with connection bearing 13, the other end is connected with moving blade 12 by described rolling bearing 15.Described blow-off pipe 8 other ends connect water pump 2, and the other end connection of water pump 2 arranges feculence box 1, and described feculence box 1 one side relative with water pump 2 is set to filter structure.
While using above-mentioned net cage to survive the winter cultivation spotted maigre, above-mentioned net cage is first set off shore, spotted maigre is supported in the mesh bag of described net cage, in the time that autumn, water temperature was reduced to 12 ℃, start motor 11, drive net cage canvas shroud slide fastener 5 closures by chain 4, make canvas shroud cover whole net cage surrounding, and on floating frame 9, build a light-transmissive film ceiling 10, make net cage become the breeding spaces of a relative closure.Every day, fixed point was thrown something and fed 1 time, bait is chilled squid, feeding volume is to raise 1% of spotted maigre gross weight, every 3-5 days, opens water pump 2 and carries out blowdown, and on floating frame 2, arrange another delivery pump, the water of thermophilic is at the uniform velocity injected to net cage, and each quantity of exchanged water is 1/10 of net cage volume, rotates because the suction of water pump 2 can drive moving blade 12, near blow-off pipe 8 mouths of pipe, form whirlpool, drive the ight soil and the swill that are gathered in convex globoidal center, canvas layer bottom originally to discharge as early as possible.After the beginning of spring, in the time that water temperature rises to 12 ℃, remove light-transmissive film ceiling 10, start motor 11, drive net cage canvas shroud slide fastener 5 to open by chain 4, then respectively canvas is rolled, enter common cage culture program.
Shown in the above and figure, be only preferred embodiment of the present invention, be not limited to protection scope of the present invention, all being equal to replacement, revising or improving of making in conception principle of the present invention, be all included in protection scope of the present invention.
Claims (4)
1. a fish overwinter fish culture net cage, comprise buoyancy aid framework (9), rigid support and be arranged on the mesh bag in rigid support, described buoyancy aid framework (9) is hung in rigid support in water by manrope, it is characterized in that described rigid support is cuboid structure, comprise upper bracket (3) and the lower carriage (6) of rectangular configuration, and four connecting rods of connection upper bracket (3) and lower carriage (6), described rigid support surrounding is provided with canvas shroud, bottom is provided with canvas layer, described canvas shroud is connected and composed by four slide fasteners (5) between two by four canvas that match with four faces of rigid support, after canvas shroud band slide fastener, one end of code is fixedly installed on upper bracket (3), on the pull head (7) of described slide fastener (5), be fixedly connected with a chain (4), the two ends of described chain (4) are connected on pull head (7), centre is equipped with motor (11) and drives chain (4) back and forth movement, described canvas layer area is greater than rigid support floor space, is fixedly installed on lower carriage (6) upper, is convex globoidal structure, and the center of convex globoidal is connected with a blow-off pipe (8), and described blow-off pipe (8) other end connects water pump (2).
2. a kind of fish overwinter fish culture net cage as claimed in claim 1, it is characterized in that described blow-off pipe (8) is provided with agitating device with one end that convex globoidal center is connected, described agitating device comprises holder (14), connection bearing (13), central siphon (16), rolling bearing (15) and moving blade (12), the tubular structure that described holder (14) is hollow, fixed cover is located in blow-off pipe (8) mouth of pipe, in holder (14) annular uniform three for being fixedly connected with the dead lever (17) of bearing (13), described central siphon (16) one end is connected with connection bearing (13), the other end is connected with moving blade (12) by described rolling bearing (15).
3. a kind of fish overwinter fish culture net cage as claimed in claim 1 or 2, is characterized in that described water pump (2) other end connection arranges feculence box (1), and described feculence box (1) one side relative with water pump (2) is set to filter structure.
4. a spotted maigre overwintering cultivation method, uses the net cage as described in any one in claim 1-3, it is characterized in that comprising the following steps:
(a) net cage is set off shore, spotted maigre is supported in the mesh bag of described net cage, in the time that water temperature is reduced to 12 ℃, start motor (11) autumn, drives net cage canvas shroud slide fastener (5) closure by chain (4), makes canvas shroud cover whole net cage surrounding;
(b) on floating frame (9), build a light-transmissive film ceiling (10);
(c) take timing, fixed point, the quantitative bait of throwing something and feeding, bait is chilled squid, throws something and feeds every day 1 time, and feeding volume is to raise 1% of spotted maigre gross weight;
(d) every 3-5 days, open water pump (2) and carry out blowdown, and arrange another delivery pump on floating frame (2), the water of thermophilic is at the uniform velocity injected to net cage, each quantity of exchanged water is 1/10 of net cage volume;
(e) after the beginning of spring, when water temperature rises to 12 ℃, remove light-transmissive film ceiling (10), start motor (11), drive net cage canvas shroud slide fastener (5) to open by chain (4), then respectively canvas is rolled, enter common cage culture program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078152.3A CN103814850B (en) | 2014-03-05 | 2014-03-05 | A kind of fish overwinter fish culture net cage and utilize net cage survive the winter cultivation spotted maigre method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078152.3A CN103814850B (en) | 2014-03-05 | 2014-03-05 | A kind of fish overwinter fish culture net cage and utilize net cage survive the winter cultivation spotted maigre method |
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| CN103814850A true CN103814850A (en) | 2014-05-28 |
| CN103814850B CN103814850B (en) | 2016-04-06 |
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| CN201410078152.3A Active CN103814850B (en) | 2014-03-05 | 2014-03-05 | A kind of fish overwinter fish culture net cage and utilize net cage survive the winter cultivation spotted maigre method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900606A (en) * | 2017-03-11 | 2017-06-30 | 中国海洋大学 | The double net wall hermetic type net cages of wind and wave resistance |
| CN112385595A (en) * | 2020-11-18 | 2021-02-23 | 浙江省海洋水产研究所 | Overwintering farm for Nibea japonica |
| CN113547741A (en) * | 2021-08-18 | 2021-10-26 | 广州捷和电子科技有限公司 | Large-size photocuring forming equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900606A (en) * | 2017-03-11 | 2017-06-30 | 中国海洋大学 | The double net wall hermetic type net cages of wind and wave resistance |
| CN112385595A (en) * | 2020-11-18 | 2021-02-23 | 浙江省海洋水产研究所 | Overwintering farm for Nibea japonica |
| CN112385595B (en) * | 2020-11-18 | 2022-05-17 | 浙江省海洋水产研究所 | Overwintering farm for Nibea japonica |
| CN113547741A (en) * | 2021-08-18 | 2021-10-26 | 广州捷和电子科技有限公司 | Large-size photocuring forming equipment |
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| Publication number | Publication date |
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| CN103814850B (en) | 2016-04-06 |
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