CN110447583B - Ecological green aquaculture net cage and use method thereof - Google Patents
Ecological green aquaculture net cage and use method thereof Download PDFInfo
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- CN110447583B CN110447583B CN201910883729.0A CN201910883729A CN110447583B CN 110447583 B CN110447583 B CN 110447583B CN 201910883729 A CN201910883729 A CN 201910883729A CN 110447583 B CN110447583 B CN 110447583B
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- 244000144974 aquaculture Species 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 8
- 241000545744 Hirudinea Species 0.000 claims abstract description 55
- 239000004744 fabric Substances 0.000 claims description 54
- 239000006260 foam Substances 0.000 claims description 25
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 241000196324 Embryophyta Species 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 241000534448 Viviparidae Species 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 241001113556 Elodea Species 0.000 claims description 2
- 241000258623 Whitmania pigra Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
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- 235000013305 food Nutrition 0.000 description 2
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- 244000025254 Cannabis sativa Species 0.000 description 1
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Images
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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydroponics (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to the field of net cages, in particular to an ecological green aquaculture net cage and a using method thereof, and the ecological green aquaculture net cage comprises a net cage, a floating component, a feeding component, a shielding component and a supporting component, wherein the net cage is connected with the floating component; the invention can carry out three-dimensional high-density cultivation on leeches, provides an excellent rest and living environment for the leeches, and improves the yield of the leeches.
Description
Technical Field
The invention relates to the field of net cages, in particular to an ecological green aquaculture net cage and a using method thereof.
Background
The leech is named as Whitmania pigra Whitman, is a species with higher use value of leech traditional Chinese medicine, and is mainly used for extracting natural hirudin with anticoagulation and thrombolysis effects. The whitmania pigra whitman has a large and flat body, artificial breeding leech is a project with small investment and quick effect, the prior art mostly utilizes waste ponds or courtyard breeding, the food of the whitmania pigra whitman is general river snails, the prior art mostly directly throws the river snauman to the pond, a large amount of river snacks are discarded after being sucked by the leech, the river snauman shell occupies the pond, the river snauman pollutes the leech, the whitmania pigra whitman is liked to be adsorbed at the edge of the pond, and the prior pond structure has no more corners and is not convenient for the whitman to have a rest and eat.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides an ecological green aquaculture net cage and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: an ecological green aquaculture net cage comprises a net cage, a floating component, a feeding component, a shielding part and a supporting component, wherein the net cage is connected with the floating component;
the net cage comprises net cloth and a net frame, the net cloth is fixed at the bottom of the net frame, the net frame is of a regular hexagon structure, the net cloth surrounds the net frame for a circle, an included angle part a, an included angle part b, an included angle part c, an included angle part d, an included angle part e and an included angle part f are sequentially formed in the net frame, the cross section of the net frame is of a hollow square tube structure, the upper part of the net cloth is open, the edge of the upper part of the net cloth is fixedly connected with the middle position of the bottom of the outer wall of the net frame, net cavities are formed among the net cloth, the net cloth is made of nylon plastic filter screens, the mesh number is 50 meshes, and the openings of the net cavities face the openings of the net frame;
the floating assembly comprises floating foam columns and a fixed support, the fixed support is regular hexagon, the fixed support is matched and arranged on the periphery of the net frame, the distance between the fixed support and the net frame is 100-200mm, the cross section of the fixed support is rectangular, the outer wall of the net frame is fixedly connected with the inner wall of the fixed support through a connecting rod, the floating foam columns are of a solid cylindrical foam structure, the upper parts of the floating foam columns are fixedly connected with the bottom of the fixed support, and the number of the floating foam columns is at least two.
The feeding assembly comprises a hook portion, a groove portion I, a baffle and a groove portion II, the hook portion is hung on the net frame, the hook portion is connected with the upper portion of the groove portion I, one side of the groove portion I is connected with the groove portion II, the baffle is rectangular, the bottom of the baffle is perpendicularly fixed at the joint position of the groove portion I and the groove portion II and protrudes out of the upper end face of the groove portion I and the upper end face of the groove portion II, and the baffle extends to the other end from one end of the joint position of the groove portion I and the groove portion II.
The hook part is n-shaped, the width of the hook part is slightly larger than that of the net frame, and the length of the hook part is slightly smaller than that of the single side of the net frame.
The lower part of the first groove part is arc-shaped, the concave arc surface faces upwards, one side of the first groove part is fixedly connected with the two phases of the groove part, the outline of the one side of the first groove part and the outline of the two phases of the groove part are in an isosceles trapezoid shape, the second groove part is arc-shaped, the concave arc surface faces upwards, the first groove part and the second groove part are arranged in parallel, and the length of the first groove part is greater than that of the second groove part.
The shielding assembly comprises an upper barrel part and a lower barrel part, the upper barrel part is of a rectangular hollow structure, the upper part of the upper barrel part is in an opening shape, a waterweed cultivation cavity is arranged in the upper barrel part, the bottom of the upper barrel part is fixed on the lower barrel part, the lower barrel part is of a hollow rectangular shape, the lower barrel part is transversely arranged, the opening part of the lower barrel part faces two sides, a barrel hole is arranged in the lower barrel part, the barrel hole extends to the other end from one end of the lower barrel part, and the longitudinal central axis of the upper barrel part coincides with the transverse central axis of the lower barrel part.
The supporting component comprises an upper supporting component and a lower supporting component, the upper supporting component is fixedly connected with the upper barrel part, and the lower supporting component is fixedly connected with the lower barrel part.
Go up the bracing piece and include bracing piece one and go up bracing piece two, go up bracing piece one and go up bracing piece two-phase symmetry setting, go up bracing piece one and go up bracing piece two and all be "L" form, go up bracing piece one end and net frame inner wall bottom one side looks fixed connection, go up the bracing piece one other end and last barrel portion one side tip edge looks fixed connection, go up two one ends of bracing piece and net frame inner wall bottom one side looks fixed connection, go up two other ends of bracing piece and last barrel portion other side tip edge looks fixed connection.
The lower supporting assembly comprises a first lower cross rod, a second lower cross rod, a first inclined cross rod, a second inclined cross rod, a third inclined cross rod and a fourth inclined cross rod, one end of the first lower cross rod is fixed to the middle position of the bottom of the lower barrel portion, the other end of the first lower cross rod is located under the included angle portion a and is close to one side of the bottom of the mesh cloth, the first inclined cross rod and the second inclined cross rod are symmetrically and fixedly arranged on two sides of the first lower cross rod, one end of the first inclined cross rod is fixedly connected with one side wall of the lower cross rod, the other end of the first inclined cross rod is located under the included angle portion b and is close to one side of the bottom of the mesh cloth, one end of the second inclined cross rod is fixedly connected with the other side wall of the first lower cross rod, and the other end of the second inclined cross rod is located under the included angle portion f and is close to one side of the bottom of the mesh cloth.
Two one ends of sheer pole are fixed in lower barrel portion bottom opposite side intermediate position department, two other tip of sheer pole are located under contained angle portion d department and are close to screen cloth bottom one side, two bilateral symmetry of sheer pole are fixed and are set up oblique horizontal pole three and oblique horizontal pole four, three one end of oblique horizontal pole and two lateral walls of sheer pole are fixed connection, three other ends of oblique horizontal pole are located under contained angle portion c and are close to screen cloth bottom one side, four one end of oblique horizontal pole and two opposite lateral walls of sheer pole are fixed connection mutually, four one end of oblique horizontal pole are located under contained angle portion e and are close to screen cloth bottom one side.
The use method of the ecological green aquaculture net cage comprises the following steps:
firstly, fixedly connecting a fixed support with a screen frame, arranging the fixed support at the periphery of the screen frame, and then symmetrically fixing floating foam columns on two sides of the fixed support;
fixedly connecting the upper cylinder part and the lower cylinder part, then fixedly connecting the upper support assembly with the upper cylinder part, fixedly connecting the lower support assembly with the lower cylinder part, and supporting the mesh cloth by the lower support assembly against the mesh cloth;
the net cage is placed on the water surface of the pond, the upper part of the net cage floats on the water surface under the action of the floating foam column, and the bottom of the mesh cloth enters the water;
putting the leeches into the net cage, and allowing the leeches to inhabit and live in the net cavity;
planting aquatic weeds in the aquatic weed cultivation cavity of the upper barrel part;
hanging the hook part on a net frame, placing the first groove part, the baffle plate and the second groove part into a net cavity of the net cage, wherein the first groove part and the second groove part are positioned below a horizontal plane, and then scattering the viviparidae into the first groove part and the second groove part in an aligning manner;
the leeches enter the groove part I and the groove part II from openings on two sides of the groove part I and the groove part II to eat the river snails, and after the river snails finish eating, the leeches are adsorbed on two side walls of the baffle and one side of the groove part I;
after the field snails are stacked to a certain number of layers, the hook parts are separated from the net frame, so that the feeding assembly is moved out of the net cage, the fed field snails are removed from the groove parts I and II of the feeding assembly, and then the feeding assembly is placed into the net cage again.
Compared with the prior art, the invention has the beneficial effects that: the invention can carry out three-dimensional high-density cultivation on leeches, provides a good rest and living environment for the leeches, improves the yield of the leeches, facilitates the water body exchange between the water body in the net cage and the water body in a pond by the suspension structure of the net cage, timely discharges the leeches and sundries generated by cultivation out of the net cage, improves the production environment of the net cage and the leeches because the leeches like resting on the side, the net cage is of a polygonal structure, is convenient for resting on the side by the cultivation component, the floating component gives certain buoyancy to the net cage to avoid the net cage from sinking, the cultivation component is convenient to disassemble to clean food residues and a river snail shell out, avoids the water quality pollution at the later stage, is convenient for the leeches to rest on the side, the shielding component gives a shady and cool safe living environment to the leeches, the supporting component plays a role in supporting the structure of the net cage, has a simple use method, on the one hand, can timely take out the river snails after the leeches are taken out of the net cage, avoided the direct input of field snail when the bottom half because the field snail is piled up for a long time and is crushed, block up the box, on the other hand shifts out the field snail residue and has also avoided field snail residue to pollute quality of water.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of the present invention.
FIG. 3 is a side view of the shielding assembly of the present invention.
In the figures, the names corresponding to the reference numerals are a net cage 1, a net cloth 11, a net frame 12, a floating assembly 2, a floating foam column 21, a fixed support 22, a feeding assembly 3, a hook part 31, a groove part I32, a baffle 33, a groove part II 34, a shielding assembly 4, an upper cylinder part 40, a lower cylinder part 41, a float grass cultivation cavity 401, a cylinder hole 411, a support assembly 5, an upper support assembly 51, a lower support assembly 52, an upper support assembly 51, an upper support rod I511, an upper support rod II 512, a lower support assembly 52, a lower cross rod I521, a lower cross rod II 522, a diagonal cross rod I523, a diagonal cross rod II 524, a diagonal cross rod III 525 and a diagonal cross rod IV 526.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.
Please refer to fig. 1-3, which illustrates an ecological green aquaculture net cage, comprising a net cage 1, a floating component 2, a feeding component 3, a shielding component 4 and a supporting component 5, wherein the net cage 1 is connected with the floating component 2, the feeding component 3 is detachably arranged at the edge of the net cage 1, the shielding component 4 is arranged in the net cage 1, the net cage 1 is supported by the supporting component 5 to form a net cavity 111, and the net cage 1 is connected with the shielding component 4 by the supporting component 5; leeches are placed in the net cage 1, the floating component 2 is used for providing buoyancy for the net cage 1, the feeding component 3 is used for placing river snails, the river snails are placed in the feeding component 3 for sucking and eating the leeches, the shielding component 4 is used for providing a resting and shielding place for the leeches, and the supporting component 5 is used for supporting the net cage 1 and supplying a production space for the leeches.
The net cage 1 comprises a net cloth 11 and a net frame 12, the net cloth 11 is fixed at the bottom of the net frame 12, the net frame 12 is of a regular hexagon structure, the net cloth 11 surrounds the net frame 12 for a circle, an included angle part a, an included angle part b, an included angle part c, an included angle part d, an included angle part e and an included angle part f are sequentially formed in the net frame 12, the cross section of the net frame 12 is of a hollow square tube structure, the upper part of the net cloth 11 is open, the edge of the upper part of the net cloth 11 is fixedly connected with the middle position of the bottom of the outer wall of the net frame 12, a net cavity 111 is formed between the net cloth 11, the net cloth 11 is made of a nylon plastic filter net, the mesh number is 50, and the opening of the net cavity 111 faces the opening of the net frame 12; the mesh cloth 11 chooses for use the plastic net and mesh number 50, and the plastic net is used for the water in box with a net 1 and the water in the pond to exchange, and the mesh cloth 11 mesh number is 50 and avoids the leech to escape, and the mesh is too big to cause the leech to escape easily, and the mesh is too little to cause the jam to influence the water exchange in box with a net 1, and mesh number 1 is 50 and just avoids the leech to escape on the one hand, and the another side can not influence the water exchange yet.
The floating assembly 2 comprises floating foam columns 21 and a fixing support 22, the fixing support 22 is in a regular hexagon shape, the fixing support 22 is arranged on the periphery of the net frame 12 in a matching mode, the distance between the fixing support 22 and the net frame 12 is 100-200mm, preferably 150mm, the cross section of the fixing support 22 is in a rectangular shape, the outer wall of the net frame 12 is fixedly connected with the inner wall of the fixing support 22 through a connecting rod 221, the floating foam columns 21 are in a solid cylindrical foam structure, the upper portions of the floating foam columns 21 are fixedly connected with the bottom of the fixing support 22, and the number of the floating foam columns 21 is at least two. Certainly, the upward floating foam column 21 can be increased as required, the upward floating foam column 21 is used for floating the net cage 1, and the net cloth 1 is suspended in the pond water and exchanges water with the external pond water body through the side surface and the bottom surface.
The feeding assembly 3 comprises a hook portion 31, a first groove portion 32, a baffle 33 and a second groove portion 34, the hook portion 31 is hung on the net frame 12, the hook portion 31 is connected with the upper portion of the first groove portion 32, one side of the first groove portion 32 is connected with the second groove portion 34, the baffle 33 is rectangular, the bottom of the baffle 33 is perpendicularly fixed at the joint position of the first groove portion 32 and the second groove portion 34 and protrudes out of the upper end face of the first groove portion 32 and the second groove portion 34, and the baffle 33 extends to the other end from one end of the joint position of the first groove portion 32 and the second groove portion 34. Groove portion one 32 and groove portion two 34 are used for placing of river snail, the leech of being convenient for moves about to eating river snail in groove portion one 32 and groove portion two 34 simultaneously, just can wander away in the aquatic when looking for food because the leech, the leech likes the gathering to prick and piles at the edge when the rest, consequently, utilize this characteristic of leech, two sides of baffle 33 can be used to the leech in groove portion one 32 of both sides and groove portion two 34 and carry out the hem rest, the lateral wall of groove portion one 32 one side also is convenient for the leech rest simultaneously, combine the regular hexagon structure of net frame 12 like this, give water leech and fully build a changeable multiangular production environment, the rest and the food intake of leech do benefit to, improve the effect of raising of leech.
The hook part 31 is n-shaped, the width of the hook part 31 is slightly larger than that of the net frame 12, the length of the hook part 31 is slightly smaller than the single-side length of the net frame 12, the hook part 31 is used for connecting the feeding assembly 3 with the net frame 12, and the hook part 31 and the net frame 12 can be directly detached and separated during detachment.
The lower portion of the first groove portion 32 is arc-shaped, the concave arc surface faces upwards, one side of the first groove portion 32 is fixedly connected with the second groove portion 34, the outline of the first groove portion 32 and the outline of the second groove portion 34 are in an isosceles trapezoid shape, the second groove portion 34 is arc-shaped, the concave arc surface faces upwards, the first groove portion 32 and the second groove portion 34 are arranged in parallel, and the length of the first groove portion 32 is larger than that of the second groove portion 34.
The shielding assembly 4 comprises an upper cylinder part 40 and a lower cylinder part 41, wherein the upper cylinder part 40 is of a rectangular hollow structure, the upper part of the upper cylinder part is open, a aquatic weed cultivation cavity 401 is arranged in the upper cylinder part 40, aquatic weeds are cultivated in the aquatic weed cultivation cavity 401 to provide a shady rest environment for leeches, the water surface does not cover the upper end surface of the aquatic weed cultivation cavity 401 to prevent the aquatic weeds from being blown down by wind, the bottom of the upper cylinder part 40 is fixed on the lower cylinder part 41, the lower cylinder part 41 is of a hollow rectangular shape, the lower cylinder part 41 is transversely arranged, the opening part of the lower cylinder part 41 faces to two sides, a cylinder hole 411 is arranged in the lower cylinder part 41, the cylinder hole 411 extends from one end to the other end of the lower cylinder part 41, the cylinder hole 411 is convenient for the leeches to shuttle from the middle, the multi-walled structure of the lower cylinder part 41 is convenient for the leeches to swim, and people can observe the condition of the leeches in the inner part from the cylinder hole 411 in time because the opening part of the lower cylinder part 41 faces to two sides to discover the leeches which swim, which are slow, sick or dead leeches can be timely, the longitudinal central axis of the upper tubular portion 40 coincides with the transverse central axis of the lower tubular portion 41. The shielding component 4 is matched with the supporting component 5 to play a role of connecting and fixing the supporting mesh cloth 11.
The support assembly 5 comprises an upper support assembly 51 and a lower support assembly 52, the upper support assembly 51 is fixedly connected with the upper cylinder part 40, and the lower support assembly 52 is fixedly connected with the lower cylinder part 41.
The upper supporting component 51 comprises a first upper supporting rod 511 and a second upper supporting rod 512, the first upper supporting rod 511 and the second upper supporting rod 512 are symmetrically arranged, the first upper supporting rod 511 and the second upper supporting rod 512 are both L-shaped, one end of the first upper supporting rod 511 is fixedly connected with one side of the bottom of the inner wall of the net frame 12, the other end of the first upper supporting rod 511 is fixedly connected with the edge of the end part of one side of the upper drum part 40, one end of the second upper supporting rod 512 is fixedly connected with one side of the bottom of the inner wall of the net frame 12, and the other end of the second upper supporting rod 512 is fixedly connected with the edge of the end part of the other side of the upper drum part 40. The upper supporting component 51 plays a role of connecting the screen frame 12 and the upper barrel part 40, and the upper barrel part 40 is further connected with a fixed lower supporting component 52;
the lower support component 52 comprises a first lower cross bar 521, a second lower cross bar 522, a first inclined cross bar 523, a second inclined cross bar 524, a third inclined cross bar 525 and a fourth inclined cross bar 526, one end of the first lower cross bar 521 is fixed at the middle position of the bottom of the lower barrel part 41, the other end of the first lower cross bar 521 is positioned right below the included angle part a and is close to one side of the bottom of the mesh cloth 11, the first inclined cross bar 523 and the second inclined cross bar 524 are symmetrically and fixedly arranged at two sides of the first lower cross bar 521, one end of the first inclined cross bar 523 is fixedly connected with the side wall of the first lower cross bar 521, the other end of the first inclined cross bar 523 is positioned right below the included angle part b and is close to one side of the bottom of the mesh cloth 11, one end of the second inclined cross bar 524 is fixedly connected with the other side wall of the first lower cross bar 521, the other end of the second inclined cross bar 524 is positioned right below the included angle part f and is close to one side of the bottom of the mesh cloth 11,
one end of the second lower cross rod 522 is fixed at the middle position of the other side of the bottom of the lower barrel part 41, the other end of the second lower cross rod 522 is positioned under the included angle part d and is close to one side of the bottom of the mesh cloth 11, two sides of the second lower cross rod 522 are symmetrically and fixedly provided with a third oblique cross rod 525 and a fourth oblique cross rod 526, one end of the third oblique cross rod 525 is fixedly connected with the side wall of the second lower cross rod 522, the other end of the third oblique cross rod 525 is positioned under the included angle part c and is close to one side of the bottom of the mesh cloth 11, one end of the fourth oblique cross rod 526 is fixedly connected with the other side wall of the second lower cross rod 522, and the other end of the fourth oblique cross rod 526 is positioned under the included angle part e and is close to one side of the bottom of the mesh cloth 11. The mesh cloth 11 is supported by the first bottom cross bar 521, the second bottom cross bar 522, the first inclined cross bar 523, the second inclined cross bar 524, the third inclined cross bar 525 and the fourth inclined cross bar 526 in a regular hexagonal shape, so that deformation of the mesh cloth 11 is avoided, the leech can move in the net cage 1 conveniently, the mesh cloth 11 of the net cage 1 can exchange with external water, and the leech living environment in the net cage 1 is improved.
When in use, the fixed support 22 is fixedly connected with the net frame 12, the fixed support 22 is arranged at the periphery of the net frame 12, then the floating foam columns 21 are symmetrically fixed at two sides of the fixed support 22, the number of the floating foam columns 21 can be flexibly added according to the specific situation of buoyancy requirement,
the upper cylinder part 40 and the lower cylinder part 41 are fixedly connected, the upper supporting component 51 and the upper cylinder part 40 are fixedly connected, the lower supporting component 52 and the lower cylinder part 41 are fixedly connected, the lower supporting component 52 is close to the mesh cloth 11 to support the mesh cloth, and the mesh cloth is prevented from being adhered together.
The net cage 1 is placed on the water surface of the pond, the upper part of the net cage 1 floats on the water surface under the action of the floating foam column 21, the bottom of the net cloth 11 enters into the water,
putting the leech into the net cage 1, and enabling the leech to inhabit and live in the net cavity 111;
the aquatic weeds are planted in the aquatic weed cultivation cavity 401 of the upper barrel part 40 and used for shading the leeches, and the barrel holes 411 of the lower barrel part 41 are transversely arranged and positioned at the bottom and are hidden so as to provide a swimming place for the leeches. Hanging the hook part 31 on the net frame 12, placing the first groove part 32, the baffle plate 33 and the second groove part 34 into the net cavity 111 of the net cage 1, and placing the first groove part 32 and the second groove part 34 below the horizontal plane, and then scattering the viviparidae into the first groove part 32 and the second groove part 34 in an alignment manner;
the leeches enter the groove part I32 and the groove part II 34 from openings at two sides of the groove part I32 and the groove part II 34 to eat the river snails, and after the river snails eat the river snails, the leeches are adsorbed on two side walls of the baffle 33 and one side of the groove part I32;
after the field snails are stacked to a certain number of layers, the hook parts 31 are separated from the net frame 12, so that the feeding components 3 are removed from the net cage 1, the fed field snails are removed from the first groove parts 32 and the second groove parts 34 of the feeding components 3, and then the feeding components 3 are put into the net cage 1 again.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (2)
1. An ecological green aquaculture net cage is characterized by comprising a net cage, a floating component, a feeding component, a shielding part and a supporting component, wherein the net cage is connected with the floating component;
the net cage comprises net cloth and a net frame, the net cloth is fixed at the bottom of the net frame, the net frame is of a regular hexagon structure, the net cloth surrounds the net frame for a circle, an included angle part a, an included angle part b, an included angle part c, an included angle part d, an included angle part e and an included angle part f are sequentially formed in the net frame, the cross section of the net frame is of a hollow square tube structure, the upper part of the net cloth is open, the edge of the upper part of the net cloth is fixedly connected with the middle position of the bottom of the outer wall of the net frame, net cavities are formed among the net cloth, the net cloth is made of nylon plastic filter screens, the mesh number is 50 meshes, and the openings of the net cavities face the openings of the net frame;
the floating assembly comprises floating foam columns and fixing supports, the fixing supports are regular hexagons, the fixing supports are arranged on the periphery of the net frame in a matched mode, the distance between the fixing supports and the net frame is 100-200mm, the cross sections of the fixing supports are rectangular, the outer walls of the net frame are fixedly connected with the inner walls of the fixing supports through connecting rods, the floating foam columns are of solid cylindrical foam structures, the upper portions of the floating foam columns are fixedly connected with the bottoms of the fixing supports, and the number of the floating foam columns is at least two;
the feeding assembly comprises a hook part, a first groove part, a baffle and a second groove part, the hook part is hung on the screen frame, the hook part is connected with the upper part of the first groove part, one side of the first groove part is connected with the second groove part, the baffle is rectangular, the bottom of the baffle is vertically fixed at the joint position of the first groove part and the second groove part and protrudes out of the upper end surface of the first groove part and the second groove part, and the baffle extends to the other end from one end of the joint position of the first groove part and the second groove part;
the hook part is n-shaped, the width of the hook part is slightly larger than that of the net frame, and the length of the hook part is slightly smaller than the length of the single side of the net frame;
the lower part of the first groove part is arc-shaped, the concave arc surface faces upwards, one side of the first groove part is fixedly connected with the second groove part, the profiles of the one side of the first groove part and the second groove part are in an isosceles trapezoid shape, the second groove part is arc-shaped, the concave arc surface faces upwards, the first groove part and the second groove part are arranged in parallel, and the length of the first groove part is greater than that of the second groove part;
the shielding assembly comprises an upper cylinder part and a lower cylinder part, wherein the upper cylinder part is of a rectangular hollow structure, the upper part of the upper cylinder part is in an opening shape, a waterweed cultivation cavity is arranged in the upper cylinder part, the bottom of the upper cylinder part is fixed on the lower cylinder part, the lower cylinder part is in a hollow rectangular shape, the lower cylinder part is transversely arranged, the opening part of the lower cylinder part faces to two sides, a cylinder hole is arranged in the lower cylinder part, the cylinder hole extends from one end of the lower cylinder part to the other end, and the longitudinal central axis of the upper cylinder part is superposed with the transverse central axis of the lower cylinder part;
the supporting component comprises an upper supporting component and a lower supporting component, the upper supporting component is fixedly connected with the upper cylinder part, and the lower supporting component is fixedly connected with the lower cylinder part;
the upper supporting component comprises an upper supporting rod I and an upper supporting rod II, the upper supporting rod I and the upper supporting rod II are symmetrically arranged, the upper supporting rod I and the upper supporting rod II are both in an L shape, one end of the upper supporting rod I is fixedly connected with one side of the bottom of the inner wall of the net frame, the other end of the upper supporting rod I is fixedly connected with the edge of the end part of one side of the upper barrel part, one end of the upper supporting rod II is fixedly connected with one side of the bottom of the inner wall of the net frame, and the other end of the upper supporting rod II is fixedly connected with the edge of the end part of the other side of;
the lower support assembly comprises a first lower cross rod, a second lower cross rod, a first inclined cross rod, a second inclined cross rod, a third inclined cross rod and a fourth inclined cross rod, one end of the lower cross rod is fixed at the middle position of the bottom of the lower cylinder part, the other end of the lower cross rod is positioned under the included angle part a and is close to one side of the bottom of the mesh cloth, the first inclined cross rod and the second inclined cross rod are symmetrically and fixedly arranged on two sides of the first lower cross rod, one end of the first inclined cross rod is fixedly connected with one side wall of the lower cross rod, the other end of the first inclined cross rod is positioned under the included angle part b and is close to one side of the bottom of the mesh cloth, one end of the second inclined cross rod is fixedly connected with the other side wall of the first lower cross rod, and the other end of the second inclined cross rod is positioned under the included angle part f and is close to one side of the bottom of the mesh cloth;
one end of a second lower cross rod is fixed at the middle position of the other side of the bottom of the lower barrel part, the other end of the second lower cross rod is located under the corner clamping part d and is close to one side of the bottom of the mesh, two sides of the second lower cross rod are symmetrically and fixedly provided with a third oblique cross rod and a fourth oblique cross rod, one end of the third oblique cross rod is fixedly connected with two side walls of the lower cross rod, the other end of the third oblique cross rod is located under the corner clamping part c and is close to one side of the bottom of the mesh, one end of the fourth oblique cross rod is fixedly connected with the other side wall of the second lower cross rod, and one end of the fourth oblique cross rod is located under the corner clamping part e and is close to one side of the bottom of the mesh.
2. The use method of the ecological green aquaculture net cage according to claim 1, characterized by comprising the following steps:
firstly, fixedly connecting a fixed support with a screen frame, arranging the fixed support at the periphery of the screen frame, and then symmetrically fixing floating foam columns on two sides of the fixed support;
fixedly connecting the upper cylinder part and the lower cylinder part, then fixedly connecting the upper support assembly with the upper cylinder part, fixedly connecting the lower support assembly with the lower cylinder part, and supporting the mesh cloth by the lower support assembly against the mesh cloth;
the net cage is placed on the water surface of the pond, the upper part of the net cage floats on the water surface under the action of the floating foam column, and the bottom of the mesh cloth enters the water;
putting the leeches into the net cage, and allowing the leeches to inhabit and live in the net cavity;
planting aquatic weeds in the aquatic weed cultivation cavity of the upper barrel part;
hanging the hook part on a net frame, placing the first groove part, the baffle plate and the second groove part into a net cavity of the net cage, wherein the first groove part and the second groove part are positioned below a horizontal plane, and then scattering the viviparidae into the first groove part and the second groove part in an aligning manner;
the leeches enter the groove part I and the groove part II from openings on two sides of the groove part I and the groove part II to eat the river snails, and after the river snails finish eating, the leeches are adsorbed on two side walls of the baffle and one side of the groove part I;
after the field snails are stacked to a certain number of layers, the hook parts are separated from the net frame, so that the feeding assembly is moved out of the net cage, the fed field snails are removed from the groove parts I and II of the feeding assembly, and then the feeding assembly is placed into the net cage again.
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| CN111758657A (en) * | 2020-08-26 | 2020-10-13 | 马鞍山市创源水蛭养殖专业合作社 | Overwintering device for culturing whitmania pigra |
| CN112352719B (en) * | 2020-10-14 | 2022-03-22 | 威海海洋职业学院 | Marine aquaculture platform |
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