CN115500292B - Suspension type sea cucumber intensive culture device - Google Patents
Suspension type sea cucumber intensive culture device Download PDFInfo
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- CN115500292B CN115500292B CN202211246937.8A CN202211246937A CN115500292B CN 115500292 B CN115500292 B CN 115500292B CN 202211246937 A CN202211246937 A CN 202211246937A CN 115500292 B CN115500292 B CN 115500292B
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- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 239000010865 sewage Substances 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
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Classifications
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- 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
- A01K61/30—Culture of aquatic animals of sponges, sea urchins or sea cucumbers
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- 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
-
- 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
- A01K61/65—Connecting or mooring devices therefor
-
- 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
- A01K61/80—Feeding devices
-
- 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)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a suspension type sea cucumber intensive culture device, which relates to the technical field of aquaculture, wherein the upper end of an outer frame body is used for suspension, a netting is enclosed on the periphery of the outer frame body, a space in the netting is used for placing sea cucumbers, a drain hole is formed in the lower end face of the outer frame body, one end of a drain sleeve net is fixed at the drain hole, a sinker is fixed at the other end of the drain sleeve net, the sinker is connected with one end of a traction rope, the other end of the traction rope extends towards the direction of the outer frame body far away from the drain hole, the sinker can drive the drain sleeve net to extend downwards out of the netting through the drain hole, the traction rope can drive the drain sleeve net to retract upwards into the netting, the lower end of a bait casting mechanism extends into the outer frame body, the upper end of the bait casting mechanism extends towards the direction far away from the outer frame body, the upper end of the bait casting mechanism can extend out of the water surface, and the drain sleeve net is used for casting baits into the netting, and the drain sleeve net is used for discharging residual baits and sea cucumbers. The invention can meet the requirement of high-efficiency utilization of baits in a hanging mode, is convenient to operate and has high-efficiency pollution discharge function.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a suspension type sea cucumber intensive culture device.
Background
Sea cucumber is a generic name of sea cucumber animals, belonging to the phylum echinoderm. There are 1100 or more global sea cucumbers, and 40 or more sea cucumbers are determined to be edible. In China, sea cucumber is a good seafood with the first eight delicacies of sea products and the homology of medicine and food. Especially, with the improvement of the living standard and health care consciousness of people, the nutrition and health care price value of the sea cucumber is accepted by more and more consumers, and the market demand is vigorous. At present, how to develop a high-efficiency cultivation mode with more applicability, practicability and diversification according to the characteristics of different regions, cultivation ecologies, sea area working conditions and the like, and expand the sea cucumber cultivation area and the productivity, is still an important direction and demand for the increase in yield and income and sustainable development of the sea cucumber cultivation industry.
The sea cucumber hanging cage cultivation mode is mainly seen in coastal areas of Fujian and is developed based on abalone hanging cage cultivation, the sea cucumber used cultivation hanging cage is basically an abalone cage for abalone cultivation, the cage bodies are suitable for abalone cultivation, the sea cucumber cultivation mode mainly comprising sea tangle feeding is basically met, but the sea cucumber hanging cage cultivation mode still has a plurality of defects, particularly along with the healthy development of sea cucumber cultivation industry and the implementation of ecological environment protection policies, the feeding of compound feed becomes a main stream mode of sea cucumber hanging cage cultivation, and the defects of the existing cultivation hanging cage are more remarkable. The main disadvantages are three: (1) When bait is fed, each cage body is required to be lifted out of the water surface, and each layer of cage doors are opened one by one to feed, so that the operation is complicated and inconvenient, and the cage bodies are heavy, large in quantity and high in labor intensity; (2) The cage body is provided with a large number of water permeable holes, the aperture is larger, the loss rate of the cage body is up to more than 50% no matter the cage body is minced fillet, kelp or pellet feed, the waste is serious, and the feed input cost is greatly increased; (3) The hanging cage can only be hung on the stable fish raft, and the construction cost of the cage body and the fish raft is high and the investment is large.
Disclosure of Invention
The invention aims to provide a suspension type sea cucumber intensive culture device which solves the problems in the prior art, can meet the efficient utilization of baits in a hanging culture mode, is convenient to operate and has an efficient pollution discharge function.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a suspension type sea cucumber intensive culture device which comprises an outer frame body, a netting, a pollution discharge sleeve net and a bait casting mechanism, wherein the upper end of the outer frame body is used for suspension, the netting is enclosed on the periphery of the outer frame body, a space in the netting is used for placing sea cucumbers, a pollution discharge hole is formed in the lower end face of the outer frame body, one end of the pollution discharge sleeve net is fixed at the pollution discharge hole, a sinker is fixed at the other end of the pollution discharge sleeve net, the sinker is connected with one end of a traction rope, the other end of the traction rope extends to the direction of the outer frame body away from the pollution discharge hole, the sinker can drive the pollution discharge sleeve net to extend out of the netting downwards through the pollution discharge hole, the traction rope can drive the pollution discharge sleeve net to retract upwards into the netting, the lower end of the bait casting mechanism extends into the outer frame body, the upper end of the bait casting mechanism extends to the direction away from the pollution discharge hole, and the upper end of the bait casting mechanism can extend to the upper end of the bait casting mechanism and be used for discharging residual baits and the net.
Preferably, the outer frame body comprises an upper bracket, a lower bracket and a plurality of side brackets, wherein the upper bracket is positioned above the lower bracket, the upper ends of the side brackets are fixed on the upper bracket, and the lower ends of the side brackets are fixed on the lower bracket.
Preferably, a reinforcing support is further arranged between the upper support and the lower support, the outer diameter of the upper support is smaller than that of the reinforcing support, the outer diameter of the reinforcing support is smaller than that of the lower support, the upper support, the lower support and the reinforcing support are annular and coaxial, and the reinforcing support is fixedly connected with the middle part of each side support.
Preferably, the lower support comprises an outer ring pipe, a central ring pipe and auxiliary pipes, wherein the outer ring pipe is positioned at the periphery of the central ring pipe and concentric with the central ring pipe, the auxiliary pipes are multiple and circumferentially fixed around the central ring pipe, two ends of each auxiliary pipe are respectively fixed with the central ring pipe and the outer ring pipe, and a sewage draining hole is formed in the central ring pipe.
Preferably, the netting comprises a side net and a bottom net, the side net is fixedly enclosed on the side wall of the outer frame body, the bottom net is fixedly arranged at the bottom of the outer frame body, and the bottom net is provided with holes corresponding to the positions of the sewage draining holes.
Preferably, the side net is provided with a plurality of zippers extending along the vertical direction, the zippers are used for realizing the opening or closing of the side net, and the aperture of the side net is 0.5cm-1cm; the bottom of the side net is provided with folds, and the aperture of the bottom net is 0.1cm-0.2cm.
Preferably, the blowdown sleeve net is conical, the blowdown sleeve net comprises a sleeve base and a sleeve top which are fixedly connected and are internally communicated, one end of the sleeve base is fixedly connected with the blowdown hole, the other end of the sleeve base is fixedly connected with the sleeve top, one end, far away from the sleeve base, of the sleeve top is the conical tip and is connected with one end of the traction rope, and the aperture of the sleeve base is smaller than that of the sleeve top.
Preferably, the aperture of the sleeve base is 0.5cm-1cm, and the aperture of the sleeve top is 0.8cm-1.5cm.
Preferably, the bait casting mechanism is a feeding pipe, the lower end of the feeding pipe stretches into the netting, the upper end of the feeding pipe stretches out of the water surface and is suspended by a suspension rope, and the feeding pipe can stretch out and draw back.
Preferably, a dispersion cone is suspended at the lower end of the feeding mechanism, and the tip of the dispersion cone faces upwards and is arranged close to the opening at the lower end of the feeding mechanism.
Compared with the prior art, the invention has the following technical effects:
the suspension sea cucumber intensive culture device provided by the invention has the advantages that the upper end of the outer frame body is used for suspending, the whole body can be further suspended, the suspension culture mode is realized, the netting is enclosed on the periphery of the outer frame body, the space formed in the netting is used for placing sea cucumbers, the whole body support is provided through the outer frame body, the sea cucumbers and baits are prevented from falling out through the netting, the lower end surface of the outer frame body is provided with a drain hole, one end of the drain sleeve net is fixed at the drain hole, the other end of the drain sleeve net is fixed with a sinker, the sinker is connected with one end of a traction rope, the other end of the traction rope extends towards the direction of the outer frame body far away from the drain hole, and when the upper end of the traction rope is loosened, the sinker can drive the drain sleeve net to downwards extend out of the netting through the drain hole under the action of gravity, residual baits, faeces and the like in the netting enter the blowdown sleeve net and are discharged under the action of stormy waves, so that efficient blowdown and cleaning of the inside of the netting can be realized, the netting is convenient to use, the netting does not need to be frequently replaced, the upward lifting traction rope can lift the sinkers and drive the blowdown sleeve net to be upwards retracted in the netting, the upper ends of the traction rope are fixed, normal use can be ensured, the lower ends of the bait casting mechanisms extend into the outer frame body, the upper ends of the bait casting mechanisms extend towards the direction away from the outer frame body, the upper ends of the bait casting mechanisms can extend out of the water surface, further bait can be conveniently put into the netting through the bait casting mechanisms, and the whole suspended sea cucumber intensive culture device does not need to be lifted out of the water surface during feeding, so that labor intensity is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the suspension type sea cucumber intensive culture device provided by the invention when in use;
FIG. 2 is a schematic view of the suspended sea cucumber intensive culture device provided by the invention in normal use;
FIG. 3 is a schematic view of the suspended sea cucumber intensive culture device provided by the invention during sewage disposal;
FIG. 4 is a schematic view of the suspended sea cucumber finishing device provided by the invention with the side net removed;
fig. 5 is a schematic structural view of a lower bracket in the suspension type sea cucumber intensive culture device;
FIG. 6 is a schematic installation view of a feeding mechanism in the suspended sea cucumber finishing device provided by the invention;
in the figure: 100-hanging sea cucumber intensive culture device, 1-netting, 2-upper bracket, 3-side bracket, 4-reinforcing bracket, 5-outer ring pipe, 6-auxiliary pipe, 7-central ring pipe, 8-sleeve base, 9-sleeve top, 10-sinker, 11-bait casting mechanism, 12-dispersion cone and 13-fold.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a suspension type sea cucumber intensive culture device, which aims to solve the technical problems that the bait casting process of the existing sea cucumber culture device is complex, labor force is wasted and pollution discharge is inconvenient.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 6, the present embodiment provides a suspension sea cucumber intensive care device 100, which comprises an outer frame body, a netting 1, a pollution discharge sleeve net and a feeding mechanism 11, wherein the upper end of the outer frame body is used for suspending, so that the whole body can be suspended, a suspension and care mode is realized, the netting 1 is enclosed on the periphery of the outer frame body, a space formed in the netting 1 is used for placing sea cucumbers, the whole body support is provided by the outer frame body, the sea cucumbers and the baits are prevented from falling out by the netting 1, a pollution discharge hole is formed in the lower end face of the outer frame body, one end of the pollution discharge sleeve net is fixed at the pollution discharge hole, a sinker 10 is fixed at the other end of the pollution discharge sleeve net, the sinker 10 is connected with one end of a traction rope, the other end of the traction rope extends towards the direction away from the pollution discharge hole on the outer frame body, and is matched with the sinker 10 to unlock the upper end of the traction rope, the sinker 10 can drive the blowdown sleeve net to extend downwards out of the netting 1 through the blowdown hole under the action of gravity, so that residual baits, faeces and the like in the netting 1 enter the blowdown sleeve net and are discharged under the action of stormy waves, efficient blowdown can be achieved, the inside of the netting 1 is cleaned, the use is convenient, the netting 1 does not need to be frequently replaced, the sinker 10 can be lifted up by lifting the traction rope and the blowdown sleeve net is driven to be upwards retracted in the netting 1, the upper end of the traction rope is fixed, normal use can be guaranteed, the lower end of the bait casting mechanism 11 stretches into the outer frame body, the upper end of the bait casting mechanism 11 extends towards the direction far away from the outer frame body, the upper end of the bait casting mechanism 11 can stretch out of the water surface, bait can be conveniently cast into the netting 1 through the bait casting mechanism 11, the whole suspended sea cucumber intensive care device 100 does not need to be lifted out of the water surface during feeding, and the labor intensity is greatly reduced.
Specifically, the outer support body includes upper bracket 2, lower carriage and a plurality of side support 3, and upper bracket 2 is located the lower carriage top, and the upper end of each side support 3 is fixed in on upper bracket 2, and the lower extreme of each side support 3 is fixed on the lower carriage, realizes the connection of upper bracket 2 and lower carriage through side support 3, simultaneously, realizes the support to netting 1 through side support 3 cooperation upper bracket 2 and lower carriage to form sea cucumber intensive care space.
Still be equipped with between upper bracket 2 and the lower carriage and consolidate support 4, the external diameter of upper bracket 2 is less than the external diameter of consolidate support 4, and the external diameter of consolidate support 4 is less than the external diameter of lower carriage, forms the design of upper narrow lower width, and upper bracket 2, lower carriage and consolidate support 4 are annular and coaxial line, and then can improve the supporting effect to net 1, consolidate support 4 and the middle part fixed connection of each side support 3, improve connection and supporting stability.
The lower support includes outer ring canal 5, center ring canal 7 and assists pipe 6, outer ring canal 5 is located center ring canal 7 periphery, and concentric with center ring canal 7, assist pipe 6 be a plurality of, and around center ring canal 7 circumference fixed, assist the both ends of pipe 6 respectively with center ring canal 7 and outer ring canal 5 fixed, form the blowdown hole in the center ring canal 7, through the structural design of lower support department, can carry out the steady rest at the lower extreme of net 1, avoid net 1 to take place too big deformation, guarantee that granule bait can long time evenly distributed in sea cucumber ingestion area, the time of ingestion of sea cucumber has been prolonged, realize sea cucumber cultivation increase in production and income, the target of improving quality and efficiency.
The netting 1 comprises a side net and a bottom net, the side net is fixedly enclosed on the side wall of the outer frame body, the bottom net is fixed at the bottom of the outer frame body, the bottom net is provided with holes corresponding to the sewage draining holes, so that the sewage draining sleeve net can pass through conveniently, and the netting 1 is a nylon net.
The side net is provided with a plurality of zippers extending along the vertical direction, the zippers are used for opening or closing the side net, the replacement of the net 1 can be facilitated on the basis of conveniently sleeving the net 1 into the outer frame body, meanwhile, the throwing, harvesting and the observation of the health state of sea cucumbers are facilitated, the aperture of the side net is 0.5cm-1cm, and the bottom of the side net is provided with folds 13, so that the attachment area of the sea cucumbers can be increased; the aperture of the bottom net is 0.1cm-0.2cm, the aperture is smaller, the bait loss can be reduced, and the sea cucumber can be conveniently and fully ingested. Preferably, the number of the zippers is two, and the arrangement positions of the zippers correspond to the positions of the side brackets 3.
The sewage draining sleeve net is conical, the sewage draining sleeve net comprises a sleeve base 8 and a sleeve top 9 which are fixedly connected and internally communicated, one end of the sleeve base 8 is fixedly connected with a sewage draining hole, the other end of the sleeve base 8 is fixedly connected with the sleeve top 9, one end, far away from the sleeve base 8, of the sleeve top 9 is a conical tip and is connected with one end of a traction rope, the aperture of the sleeve base 8 is smaller than that of the sleeve top 9, in a normal feeding state, a sinker 10 is lifted by the traction rope, the sewage draining sleeve net is positioned in a net coat 1, the sleeve base 8 with the smaller aperture is positioned below, the sleeve top 9 with the larger aperture is positioned above, bait can be prevented from falling out through the sleeve base 8 in a normal feeding state, when the traction rope is loosened, the sinker 10 drives the sewage draining sleeve net to be lowered to be positioned at the lower end of the net coat 1 under the action of gravity, the sleeve top 9 with the smaller aperture is positioned above, and residual bait and excrement can be conveniently washed out through the sleeve top 9 by wind, so that the sewage draining sleeve net is arranged, and the sewage draining sleeve net has an important effect of keeping clean environment inside the net 1; in addition, the operation is convenient, the traditional operation mode of frequently replacing the netting 1 is reduced, and the manpower and material resources and the cultivation cost are greatly saved. The specific number and weight of sinkers 10 can be selected according to actual needs to increase the overall storm resistance and stability.
The aperture of the sleeve base 8 is 0.5cm-1cm, and the aperture of the sleeve top 9 is 0.8cm-1.5cm. However, in the hanging sea cucumber finishing device 100 provided in this embodiment, the sizes of the sewage draining sleeve net and the netting 1 are not limited to the above, and the sizes can be adjusted adaptively according to actual needs by those skilled in the art.
The feeding mechanism 11 is a feeding pipe, the lower end of the feeding pipe extends into the netting 1, the upper end of the feeding pipe is used for extending out of the water surface and is hung through a hanging rope, the feeding pipe is further fixed, the feeding pipe can stretch out and draw back, the feeding pipe can be adjusted according to the actual hanging height, the feeding pipe can be used for conveniently abutting and mechanically feeding, the feeding pipe is made of polyethylene plastic, and the diameter of the feeding pipe is 4cm-5cm.
The lower end of the bait casting mechanism 11 is suspended with a dispersion cone 12, the tip of the dispersion cone 12 faces upwards and is arranged close to the lower end opening of the bait casting mechanism 11, and the bait can be ensured to be uniformly dispersed to the inner bottom surface of the net 1 through the arrangement of the dispersion cone 12.
The suspension type sea cucumber intensive culture device 100 provided by the embodiment meets the requirements of sea cucumber high-density cage culture, not only can fully feed required by sea cucumber growth, but also can efficiently discharge residual bait and excrement, ensures good culture environment, and provides a new culture device for improving culture density and unit yield. The device has important functions of keeping the internal environment clean and reducing occurrence of diseases; in addition, it has convenient operation, reduces frequent change's advantage, practices thrift manpower and materials and breed cost.
Meanwhile, the embodiment is suitable for a fish raft culture mode in shallow sea areas and a rope raft culture mode with a simple structure, and can also be used for sea cucumber cage culture in land-based large ponds. The method is not only suitable for large-size offspring seed cultivation, but also can be used in the sea cucumber cultivation stage, and the diversified cultivation mode is beneficial to expanding the sea cucumber cultivation space. The whole structure is simple, the input cost is low, the copying is realized, the popularization is easy, and the application prospect is wide.
When the method is applied specifically:
when applied to shallow sea:
the diameter of the outer circular pipe 5 is 80cm, the diameter of the central circular pipe 7 is 20cm, the diameter of the upper bracket 2 is 10cm, and the whole height of the suspended sea cucumber intensive culture device 100 is 100cm, preferably stainless steel is welded.
The side net adopts a common net 1, and the aperture of the net hole is 1.0cm; the bottom net adopts a small-aperture nylon net, and the aperture of the net hole is 0.2cm.
The aperture of the sleeve base 8 is 1.0cm, the aperture of the sleeve top 9 is 1.5cm, and the residual bait and the sea cucumber feces can be conveniently discharged. The whole height of the sewage draining sleeve net is 60cm.
The pipe diameter of the feeding pipe is 5cm.
The length of the folds 13 at the bottom of the side net is about 30 cm.
The number of the sinkers 10 is 2-3, so that the overall wave-preventing performance and stability are improved.
When the suspended sea cucumber intensive culture device 100 in the embodiment is applied to the sea cucumber cage culture process, the suspended sea cucumber intensive culture device 100 is not required to be lifted during bait casting, only a proper amount of granular feed is required to be put into from the bait casting mechanism 11, the feed is uniformly dispersed to the bottom of the suspended sea cucumber intensive culture device 100 under the action of the dispersion cone 12, and the cultured sea cucumber can be ingested.
When the residual baits and the faeces in the suspended sea cucumber intensive culture device 100 need to be discharged, the pollution discharge sleeve net is lowered to the lower part of the outer frame body, and the faeces and the residual baits can be automatically discharged out of the cage from the pollution discharge sleeve net under the action of gravity and wind waves.
The suspension type sea cucumber intensive culture device 100 with the size design is suitable for shallow sea raft frames and rope raft culture modes, requires shallow sea or internal bay with small sea area stormy waves and clean water quality, and is generally suspended at a position 1-2 meters below the water surface by more than 5-6 m deep water. By adopting the suspension type sea cucumber intensive culture device 100 to carry out culture experiments in the nepheline, 35-50 g/head of large-size sea cucumber seeds are put in, and after one culture period, the culture finished sea cucumber standard reaches 150-260 g/head, the culture yield reaches 5 kg/cage, and the culture effect is obvious.
When applied to ponds:
the diameter of the outer circular pipe 5 is 60cm, the diameter of the central circular pipe 7 is 20cm, the diameter of the upper bracket 2 is 10cm, and the whole height of the suspended sea cucumber intensive culture device 100 is 80cm, preferably stainless steel is welded.
The side net adopts a common net 1, and the aperture of the net hole is 0.5cm; the bottom net adopts a small-aperture nylon net, and the aperture of the net hole is 0.2cm.
The aperture of the sleeve base 8 is 0.5cm, the aperture of the sleeve top 9 is 0.8cm, and the residual bait and the sea cucumber feces can be conveniently discharged. The whole height of the sewage draining sleeve net is 50cm.
The pipe diameter of the feeding pipe is 5cm.
The length of the folds 13 at the bottom of the side net is about 25 cm.
When the suspended sea cucumber intensive culture device 100 in the embodiment is applied to the sea cucumber cage culture process, the suspended sea cucumber intensive culture device 100 is not required to be lifted during bait casting, only a proper amount of granular feed is required to be put into from the bait casting mechanism 11, the feed is uniformly dispersed to the bottom of the suspended sea cucumber intensive culture device 100 under the action of the dispersion cone 12, and the cultured sea cucumber can be ingested.
When the residual bait and the sea cucumber feces in the suspended sea cucumber intensive culture device 100 need to be discharged, the pollution discharge sleeve net is lowered to the lower part of the outer frame body, and the feces and the residual bait can be automatically discharged out of the cage from the pollution discharge sleeve net under the action of gravity and wind waves.
The suspension type sea cucumber intensive culture device 100 with the size design is suitable for a culture mode of a pond raft frame and a rope raft, can be used for culturing large-size seedlings, and has the advantages that the pond is required to be a large-size pond with the water depth of more than 30 mu, the water depth of more than 1.8m and good water quality. The suspension type sea cucumber intensive culture device 100 is adopted to carry out large-size offspring seed cultivation test in Liaoning, 150-200 offspring seeds per kg are put in, and after one cultivation period, the size of the cultivated large offspring seeds reaches 20-30 offspring seeds per kg, and the cultivation effect is good.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.
Claims (7)
1. A suspension type sea cucumber intensive culture device is characterized in that: the multifunctional sea cucumber bait casting device comprises an outer frame body, a netting, a blowdown sleeve net and a bait casting mechanism, wherein the upper end of the outer frame body is used for hanging, the netting is enclosed on the periphery of the outer frame body, a space in the netting is used for placing sea cucumbers, a blowdown hole is formed in the lower end face of the outer frame body, one end of the blowdown sleeve net is fixed at the blowdown hole, a sinker is fixed at the other end of the blowdown sleeve net, the sinker is connected with one end of a traction rope, the other end of the traction rope extends to the direction of the outer frame body, which is far away from the blowdown hole, the sinker can drive the blowdown sleeve net to extend downwards out of the netting through the blowdown hole, the traction rope can drive the blowdown sleeve net to retract upwards in the netting, the lower end of the bait casting mechanism extends into the outer frame body, the upper end of the bait casting mechanism extends to the direction away from the outer frame body, the upper end of the bait casting mechanism can extend out of the water surface, and the bait casting mechanism is used for casting residual bait into the netting and discharging excrement;
the outer frame body comprises an upper bracket, a lower bracket and a plurality of side brackets, the upper bracket is positioned above the lower bracket, the upper ends of the side brackets are fixed on the upper bracket, and the lower ends of the side brackets are fixed on the lower bracket;
a reinforcing support is further arranged between the upper support and the lower support, the outer diameter of the upper support is smaller than that of the reinforcing support, the outer diameter of the reinforcing support is smaller than that of the lower support, the upper support, the lower support and the reinforcing support are annular and coaxial, and the reinforcing support is fixedly connected with the middle part of each side support;
the lower support comprises an outer annular pipe, a central annular pipe and auxiliary pipes, wherein the outer annular pipe is positioned at the periphery of the central annular pipe and concentric with the central annular pipe, the auxiliary pipes are multiple and circumferentially fixed around the central annular pipe, two ends of each auxiliary pipe are respectively fixed with the central annular pipe and the outer annular pipe, and a sewage draining hole is formed in the central annular pipe.
2. The suspension sea cucumber finishing device of claim 1, wherein: the netting comprises a side net and a bottom net, wherein the side net is fixedly enclosed on the side wall of the outer frame body, the bottom net is fixedly arranged at the bottom of the outer frame body, and the bottom net is provided with holes corresponding to the positions of the sewage draining holes.
3. The suspension sea cucumber finishing device of claim 2, wherein: the side net is provided with a plurality of zippers extending along the vertical direction, the zippers are used for realizing the opening or closing of the side net, and the aperture of the side net is 0.5cm-1cm; the bottom of the side net is provided with folds, and the aperture of the bottom net is 0.1cm-0.2cm.
4. The suspension sea cucumber finishing device of claim 1, wherein: the blowdown sleeve net is the toper, blowdown sleeve net includes sleeve base and the sleeve top of fixed connection and inside intercommunication, the one end of sleeve base with blowdown hole fixed connection, the other end of sleeve base with sleeve top fixed connection, just the sleeve top is kept away from the one end of sleeve base is the conical pointed end, and with the one end of haulage rope is connected, the aperture of sleeve base is less than the aperture of sleeve top.
5. The suspension type sea cucumber intensive culture device as claimed in claim 4, wherein: the aperture of the sleeve base is 0.5cm-1cm, and the aperture of the sleeve top is 0.8cm-1.5cm.
6. The suspension sea cucumber finishing device of claim 1, wherein: the bait casting mechanism is a feeding pipe, the lower end of the feeding pipe stretches into the netting, the upper end of the feeding pipe is used for stretching out of the water surface and is suspended by a suspension rope, and the feeding pipe can stretch out and draw back.
7. The suspension sea cucumber finishing device of claim 1, wherein: the lower end of the bait casting mechanism is suspended with a dispersion cone, and the tip of the dispersion cone faces upwards and is arranged close to the opening at the lower end of the bait casting mechanism.
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