CN217657707U - Shellfish seashore breeding device - Google Patents

Abstract

The utility model discloses a shellfish beach breeding device, including cultivating the district, in bank up spiral shell basket, preventing unrestrained bars with earth. The cultivation area is a grid area defined by wave gates, and a plurality of medium culture snail baskets are arranged in the cultivation area; the middle culture snail basket comprises a basket body and a basket cover; at least three layers of wave barriers are arranged outwards from the edge of the cultivation area at intervals. Wherein, three to five layers of wave barriers are arranged on the edge of one side of the cultivation area vertical to the wave direction, and 3 to 5 layers of wave barriers are arranged on the other side surfaces. The utility model discloses can greatly reduce the wave and strike, cultivate the problem that the snail basket is turned over, is damaged by the wave to cultivate the snail basket in solving the beach, cultivate the comprehensive benefit of shellfish seedling in the guarantee. Can also provide good marine environment for shellfish seedling culture, and can effectively reduce impact damage of sea waves to shellfish seedlings.

Description

Shellfish beach breeding device

Technical Field

The utility model relates to a shellfish culture apparatus specifically is a bury type shellfish seedling beach breeding device of dwelling.

Background

The matsutake clam (Tapes dorssatus) is commonly called as the steamed bun with whelk, is transportation-resistant, has delicious meat taste, and is deeply favored by farmers and consumers. The shellfish inhabits sand mud with the length of 3-15 cm from the intertidal zone, the low tide zone to the sub-tide zone and the shallow sea to the sediment, the length of the shell of the shellfish can reach 9cm, the weight of the shell is about 60g, and the breeding season is from 9 months per year to 5 months per year. Hatching the young clam fry and culturing the young clam fry in a factory, moving the young clam fry out of a factory for culturing the young clam fry along with the growth of the young clam fry due to the limitation of the water capacity of the young clam fry, the bait supply, the cost and the like, and mainly culturing the large-size young clam fry by utilizing the beach.

At present, the main method for cultivating blunt brocade clam fry in the coastal areas of Guangxi is to arrange a spiral basket on the beach, stocking the fry with the shell length of about 5 mm, and collecting the fry to a cultivated sea area for cultivation after the fry is grown to more than 1.5 cm. However, the middle culture period is just the time of wind in the southwest in the northern gulf, and from 5 th to 9 months, wind blows from southwest to form southwest waves, which often turn over the spiral shells on the beach, resulting in the loss of the spats.

Disclosure of Invention

The utility model provides a to above-mentioned technical defect, provide a shellfish beach breeding device that can resist wave and strike.

In order to realize the above, the utility model discloses an aim at, take following technical scheme:

a shellfish beach culture device comprises a wave fence; the cultivation area is a grid area formed by the wave barriers, a plurality of medium culture spiral baskets are arranged in the cultivation area, and at least three layers of wave barriers are arranged at intervals outwards on the peripheral edge of the cultivation area.

Furthermore, 3-5 layers of wave-proof fences are installed at intervals from the edge to the outside on one side of the cultivating area, which is perpendicular to the wave direction, and 3-5 layers of wave-proof fences are installed at intervals in other directions.

Furthermore, the wave fence comprises at least two support columns which are vertically arranged; the at least two support columns are connected in series through the cable; the wave-resisting piece is movably arranged on the mooring rope.

Further, the wave-resisting piece comprises a plurality of cultivation cages which are tied on the cable through the hanging rope.

Further, the diameter of the lifting rope is 0.5 cm-1 cm.

Furthermore, the wave-resisting piece adopts a barrier structure.

Further, the diameter of the cable is 1.5-2 cm.

Further, the middle culture snail basket comprises a basket body; the basket cover is of a grid structure and movably buckled and covered on the top of the basket body; wherein, a plurality of water permeable holes are arranged on the side surface of the upper edge of the basket body.

Further, the area of the side surface of the plurality of water permeable holes is 10-14 cm from the bottom surface of the basket body

Furthermore, the distance between two adjacent wave gates is 0.8-1.0 m.

Compared with the progress of the prior art, the utility model:

1. the utility model is applied to the beach, and can effectively reduce the impact influence of the sea waves on the medium culture snail basket in the culture area; wave-resisting grids are arranged around the cultivation area, the wave-resisting grids vertical to the wave direction can break waves, so that the impact force of the waves is reduced, and the wave-resisting grids on two sides in the wave direction block the waves to form confluence again and sea wind steering to enable the waves to steer to influence the middle cultivation basket; when the sea water waves enter the cultivating area through the wave-proof grid, a vortex is not formed in the cultivating area to roll away sediment around the intermediate cultivating spiral shell basket and in the basket, and the growth of the shellfish seedlings is not influenced.

2. The utility model discloses a wave-proof fence includes a plurality of cultivation cages, lifting rope, hawser and support column, and the support column distributes around cultivating the district, and the hawser hangs in proper order to be fixed in on the support column, and a plurality of cultivation cages are tied on the hawser through the lifting rope respectively, and cultivation cage can be used to breed pearl shell, and pearl shell attached to in cultivation cage has also become the component that blocks the wave; the cultivation cage can cultivate pearl oyster and prevent sea waves from impacting a medium-cultivated spiral shell basket in the cultivation area.

3. The utility model discloses can realize that the blunt thing of decorating bright clam shell and cultivate, the pearl shell of ma nurses to be gone on simultaneously, the survival rate of blunt thing of decorating bright clam shell reaches more than 78.23%, and the survival rate of pearl shell of ma nurses reaches more than 94.80%.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a seashore shellfish culture device of the present invention;

fig. 2 is a schematic structural view of the connection between the cable and the support pillar of the wave fence of the present invention;

fig. 3 is a schematic structural view of the wave fence of the present invention;

FIG. 4 is a schematic view of a structure of the wave-arresting member shown in FIG. 3;

fig. 5 is another schematic structural diagram of the medium wave fence of the present invention;

FIG. 6 is a schematic structural view of the medium culture snail basket of the present invention;

names and serial numbers of the components in the figure: 1-cultivation area, 2-middle cultivation snail basket, 21-basket cover, 22-basket body, 23-water permeable hole, 3-wave-proof fence, 31-support column, 32-lifting rope, 33-cultivation cage, 34-cable rope and 35-barrier fence.

Detailed Description

In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the protection scope of the present application based on the embodiments in the present application.

As shown in figures 1 to 6, the utility model relates to a shellfish seedling beach breeding device is applicable to the mud flat of seaside and uses, can reduce the sea wave and strike the harm to the shellfish seedling in the culture area. And selecting a suitable beach as a cultivation area according to the requirement.

Wave-proof grids are arranged around the cultivation area 1, a plurality of medium-culture snail baskets are arranged in the cultivation area, and the medium-culture snail baskets can be of a plastic basket structure. A plurality of middle culture spiral baskets are distributed in parallel at intervals.

The method comprises the following steps of taking blunt and decorated young clam as middle cultivation, burying middle cultivation snail cultivation baskets in the blunt and decorated young clam according to the trend of waves, arranging a wide side of each basket on a wave impact surface, taking a long side of each basket as a long side of each basket, distributing a plurality of middle cultivation snail cultivation baskets at intervals in parallel, and burying the baskets with 8-10 cm of silt; and then the blunt-decorated golden clam larvae are put into the medium-cultivated snail basket 2 which is pre-filled with silt.

In the cultivation area, the distance between two medium culture spiral baskets aligned adjacently in the longitudinal direction and the transverse direction is 20-40 cm.

As shown in fig. 1, the two corresponding sides of the cultivation area 1 in the wave direction are each provided with 3 to 5 layers of wave barriers 3, typically 3, 4 or 5 layers. The method specifically comprises the following steps: the wave-resisting grid vertical to the sea wave direction is firstly impacted by waves, the waves are crushed, the impact force of the waves on the medium-cultivated snail basket in the cultivation area is weakened, the crushed sea water waves enter the cultivation area through the wave-resisting grid, the force is weakened, and accordingly the blunt brocade clams in the medium-cultivated snail basket are protected; the edge of the wave-preventing fence on the other side can repeatedly break waves, weaken the strength of the waves and protect the medium-culture snail basket in the subsequent culture area.

Referring to fig. 1, 3-5 layers of wave barriers 3 are arranged on two sides of the cultivation area along the wave trend, and 3-5 layers of wave barriers are arranged at intervals. Typically the number may be 3, 4 or 5 layers. Prevent to cultivate the district wave impact and cultivate spiral shell basket formation swirl of hitting, avoid the basket all around and basket interior silt to be taken away, prevent again that sea wind from turning to the wave that drives and turning to impact cultivation district, do benefit to the shellfish and grow.

It will be appreciated that in use the number of installed wave fences on either side of the wave run may be 3, 4, 5 etc. The installation quantity of the wave barriers in the other directions can also be 3, 4, 5 layers and the like. The distance between two adjacent wave-resisting grids is 0.8-1.0 m; the pitches typically used are 0.8, 0.9, 1.0m, etc.

In some embodiments, a structural form of the breakwater is given. The wave fence 3 comprises at least two support columns 31, the support columns 31 are vertically arranged, the at least two support columns 31 are connected in series through cables 34, and the wave-resisting pieces are movably arranged on the cables 34.

It will be appreciated that, in use, the number of support posts may be 2, 3, 4, 5, 6, 7, 8, 9 or 10, with a plurality of support posts arranged in a line. The cable penetrates through the support columns, and then two ends of the cable are fixedly connected with the corresponding support columns; or the cables are tied to the supporting posts in sequence.

The distance between the mooring rope and the beach surface is 1.0-1.2 m. Can be conveniently tied on the wave-resisting piece. In order to better resist seawater corrosion, the cable may need to be made of polyethylene.

The cable 34 is 1.5 to 2cm in diameter, typically 1.5, 1.6, 1.7, 1.8, 1.9, 2cm or the like available.

Furthermore, one structure of the wave-resisting part is a plurality of breeding cages 33, the breeding cages can be of a shell cage structure, the shell cage structure can be a pearl shell cage and is made of polyethylene, the diameter of each shell cage is 30-35 cm, and the height of each shell cage can be 20-25 cm; the mesh diameter of the shellfish cage can be 1.2-1.4 cm. Pearl oyster can be put in the shellfish cage. The shellfish cage is made of polyethylene material.

A plurality of cultivation cages 33 are suspended on the cable 34 at intervals by the suspension ropes 32. The diameter of the culture cage can be 30-40 cm, and the height can be 20-30 cm. The cultivation cage can realize the cultivation of the pearl oyster, and can also block sea waves through the pearl oyster limited in the cultivation cage, so that the impact force of seawater entering the cultivation area on the snail cultivation basket in the decorated polyamide clam seedling is greatly reduced.

The wave-resisting grids on two sides along the direction of the sea waves are arranged outwards from the cultivation area, the number of the wave-resisting grids is gradually increased, and the cultivation cages on two adjacent layers of the wave-resisting grids can be distributed in a staggered mode. If three layers of wave barriers are installed, from inside to outside, the first layer is provided with 6 cages, the second layer is provided with 7 cages, and the third layer is provided with 8 cages; if five layers of wave barriers are installed, the number of the cultivation cages is 6, 7, 8, 9 and 10 from inside to outside.

In some embodiments, the lift cords 32 are 0.5 cm to 1cm in diameter. Typically 0.5, 0.6, 0.7, 0.8, 0.9 or 1cm may be used. Can effectively support the culture cage 33 to be hung on the cage.

The lifting rope can be made of polyethylene.

In some embodiments, another structure of the wave-resisting member is provided, and the wave-resisting member adopts a barrier. The barrier can be made of barrier net, and the mesh number can be 8-10 meshes. The barrier reduces the impact of sea waves, and the blocked seawater enters the cultivation area through the barrier to push the seawater in the cultivation area to flow.

In some embodiments, a structure of the middle culture snail basket is provided, the middle culture snail basket 2 comprises a basket body 22 and a basket cover 21, and the basket cover 21 is in a grid structure and is movably buckled on the top of the basket body 22.

The basket cover 21 with the grid structure has permeability, which is convenient for seawater to permeate, and can also introduce oxygen into the spat in the basket body; can also prevent the venenum Mactrae larva cultivated therein from escaping outwards.

The grid holes of the basket cover can be square with the side length of 1cm.

The housing 22 has a plurality of water permeable holes 23 along a side surface thereof for allowing the housing 22 to flow. One specification of the basket body is as follows: external dimensions: the length is 485 mm, the width is 385 mm, and the height is 155 mm. The plurality of water permeable holes can discharge accumulated water in the basket body outwards, so that the water in the basket body flows.

Further, as shown in fig. 6, the area of the side surface where the plurality of water permeable holes 23 are located is 10 to 14cm from the bottom surface of the housing 22. The distance between the area and the bottom surface is usually 10, 11, 12, 13 or 14cm and the like. The water permeable hole can be in a circular or square structure, the diameter of the water permeable hole is 1cm when the water permeable hole is circular, and the specification of the water permeable hole is 1cm multiplied by 0.5 cm or 1cm multiplied by 1cm when the water permeable hole is square. When the basket is buried in sand, the permeable holes should be prevented from being covered.

The application example is as follows:

the utility model discloses shellfish seedling beach breeding device is used in the campsite town pearl cultivation beach of iron mountain harbor district of northern city of Guangxi. The periphery of the cultivation area adopts a cultivation cage with the Pinctada martensii to block sea waves, the impact force of the sea waves on the middle culture screw basket in the cultivation area is obviously weakened, and the middle culture screw basket is prevented from being overturned by the sea waves and damaged by impact; realizes the simultaneous cultivation of the tapes dorsatus and the Pinctada martensii.

The cultivation time is from 2 months in 2021, the seedlings are released, the cultivation is finished in 9 months in 2021, medium-sized cultivation baskets are used for releasing decorated clams with the shell length of 3.81-7.58 mm, 200 grains/basket are used, and 72 baskets are used in the cultivation; arranging 6 breeding baskets outside the cultivation area for comparison; wherein 3 baskets are covered by a 20-mesh bolting silk net; and (3) culturing large-size Ma's pearl oyster fries with the shell length of 39.84-46.75 mm in pearl oyster cage culture cages, wherein 50 oysters are cultured in one cage, and 351 cages are hung and cultured together. After cultivation, the survival rate of the tapes dorsatus seedlings in the cultivation area reaches 78.23 percent, and the survival rate of the Pinctada martensii dunker in the cultivation area reaches 94.80 percent. The survival rate of the mactra veneriformis seedlings outside the cultivation area is 45.36 percent, and the mactra veneriformis seedlings in the cultivation basket without the bolting silk net as the basket cover have larger loss.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides a shellfish seashore breeding device which characterized in that: comprises that

A wave fence (3);

the cultivation area (1) is a grid area formed by the wave-proof grids (3) in a surrounding mode, a plurality of medium culture spiral baskets (2) are arranged in the cultivation area (1), and at least three layers of wave-proof grids are arranged at intervals outwards on the peripheral edge of the cultivation area (1).

2. The shellfish beach culturing apparatus of claim 1, wherein:

the edge of the side surface of the cultivation area (1) vertical to the wave direction is provided with 3-5 layers of wave-proof grids, and the edge of the cultivation area (1) in other directions is provided with 3-5 layers of wave-proof grids.

3. The shellfish beach culture apparatus of claim 1 wherein: the wave fence (3) comprises

At least two support columns (31) vertically installed;

the cable (34) is used for connecting the at least two supporting columns (31) in series;

a wave-arresting member movably mounted to the cable (34).

4. The beach silvering device of claim 3, wherein: the wave-resisting piece comprises

A plurality of cultivation cages (33), wherein the cultivation cages (33) are tied on the cable (34) through the lifting ropes (32).

5. The shellfish beach culture apparatus of claim 4 wherein: the diameter of the lifting rope (32) is 0.5 cm-1 cm.

6. The shellfish beach culture apparatus of claim 3 wherein: the wave-resisting piece adopts a barrier structure.

7. The shellfish beach culture apparatus of any one of claims 3-6 wherein: the diameter of the cable (34) is 1.5-2 cm.

8. The shellfish beach culturing apparatus of any one of claims 1-6, wherein: the middle culture snail basket (2) comprises

A housing (22);

the basket cover (21) is of a grid structure and movably buckled and covered on the top of the basket body (22);

wherein, a plurality of water permeable holes (23) are arranged on the upper edge side surface of the basket body (22).

9. The shellfish beach culturing apparatus of claim 8, wherein: the area of the side surface where the plurality of water permeable holes (23) are located is 10-14 cm from the bottom surface of the basket body (22).

10. The shellfish beach culturing apparatus of claim 1, wherein: the distance between two adjacent wave gates is 0.8-1.0 m.

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