78 results about "Oyster farming" patented technology

The invention relates to an aquaculture technology, in particular to a method for promoting growth of crassostrea gigas larvae and increasing the survival rate of the larvae, which comprises chitosan oligosaccharide treatment, namely soaking crassostrea gigas shell top larvae in culture seawater containing chitosan oligosaccharide. Compared with a control group, the growth speed of the larvae soaked with the chitosan oligosaccharide is remarkably increased, and the survival rate of the larvae in the chitosan oligosaccharide group after bacterial incubation is also remarkably increased. The chitosan oligosaccharide is proved to be capable of promoting the growth of the crassostrea gigas larvae and improving the bacterial infection resistance of the crassostrea gigas larvae, is safe and non-toxic, and has application potentials in multiple aspects of improving the growth performance of the larvae, enhancing the immunity of the larvae, improving the culture efficiency and the like and a wide market prospect in shellfish fry production. The method provided by the invention can effectively promote the growth of the crassostrea gigas larvae, improve the survival rate of the crassostrea gigas larvae under infection of common bacteria and reduce the production cost, and has important practical significance for promoting the development of the oyster breeding industry.

The invention relates to a self-cleaning module type gravity type net cage culture system which comprises a floating mat assembly, a floating mat assembly and a gravity type net cage culture system. The cage frame assembly comprises frames and floaters, each frame is arranged on two adjacent floating mat units, the two ends of each frame are connected with the two ends of the two adjacent floating mat units respectively, and the floaters are fixedly arranged below the frames; the plurality of oyster cages are hung on the frame and are used for culturing fresh oysters; the cleaning assembly comprises a mounting frame and cleaning mechanisms, the mounting frame is connected with the floating mat assembly, the mounting frame can swing relative to the floating mat assembly, the multiple cleaning mechanisms are arranged along the mounting frame at intervals, and each cleaning mechanism can make contact with at least two adjacent oyster cages; and / or each oyster cage is in contact with at least one cleaning mechanism. Compared with the prior art, the cleaning assembly cleans the oyster cage under the action of water flow and stormy waves, so that the time interval for cleaning the oyster cage on water is prolonged to 3-6 months.

The utility model discloses an oyster breeding platform driven by wave energy, which comprises a platform body (1), and is characterized in that the platform body (1) comprises a plurality of hollow shells (2) which are parallel to one another, the adjacent hollow shells (2) are connected through a plurality of cross beams (3), a plurality of groups of support frames (4) are arranged on the platform body (1), a rotating cage (5) is rotatably supported on the support frames (4), and the rotating cage (5) is connected with the hollow shells (2) through the cross beams (3). The platform body (1) is further provided with a plurality of Solter type nodding duck mechanisms (6), the output end of each Solter type nodding duck mechanism (6) is connected with a rotating shaft of one rotating cage (5) through a belt wheel transmission pair, and the four corners of the platform body (1) are further connected with floating barrels (8) through ropes (7) respectively.

The invention relates to the technical field of technical innovation of aquaculture equipment, in particular to oyster shell punching and threading integrated equipment applied to oyster culture. Comprising a workbench and further comprises a punching and threading assembly and an adjusting assembly. Wherein the perforating and threading assembly comprises a supporting frame, a perforating needle and a winding roller, the supporting frame is fixed to one side of the workbench, the perforating needle penetrates through the supporting frame, the winding roller is rotatably arranged on the supporting frame, the winding roller is used in cooperation with the perforating needle, and the perforating needle is in sliding fit with the supporting frame so that the perforating needle can be close to or away from the winding roller; the adjusting assembly comprises a vibration disc, the vibration disc is arranged on the workbench, an outlet is formed in the vibration disc, and the height of the outlet is located between the perforating needle and the winding roller. According to the oyster shell punching and threading device, efficient punching and threading of multiple oyster shells are achieved, the efficiency is greatly improved, the labor intensity of workers is reduced, and the oyster shell punching and threading device has enough safety.

The invention discloses an oyster carbon sink value evaluation method, model and equipment based on carbon sequestration amount, and a medium. The method comprises the following steps: collecting oyster breeding data in an oyster breeding process; the method comprises the following steps: respectively calculating an oyster body carbon sequestration amount, an oyster attached organism carbon sequestration amount and an oyster biological sediment carbon sequestration amount according to oyster breeding data, and summarizing the oyster body carbon sequestration amount, the oyster attached organism carbon sequestration amount and the oyster biological sediment carbon sequestration amount into a total oyster breeding carbon sink amount; and calculating the carbon sink value of the oysters according to the total carbon sink amount of the oyster culture. According to the method, a traditional culture shellfish carbon sequestration basic metering method is improved, carbon sequestration amount calculation is carried out on oyster bodies and biological sediments of attached organisms respectively, the more accurate oyster culture carbon sequestration total amount can be obtained, and the carbon sequestration income of oysters is calculated based on the carbon sequestration total amount. The method is beneficial to enriching the basic research in the field of shellfish culture carbon sink accounting, and enables the ecological service value of the shellfish culture industry to be compensated through carbon sink transaction.

To provide a spacer core for culturing oysters which can maintain required intensity as a spacer core for culturing oysters even being immersed in the sea for a long period, and in which a paper tube part is quickly decomposed relative to plastic, even if the spacer core is flowed to the sea, thereby reducing environmental loads.SOLUTION: There is provided a spacer core for culturing oysters which is used by being arranged between shells. The spacer core for culturing oysters is made of a paper tube in which an epoxy resin solution is impregnated.SELECTED DRAWING: Figure 2

This invention provides a slow-release feed device for marine aquaculture, relating to the field of marine aquaculture technology. It includes a rotating drum, a drum cover, and a fixed shaft. A rotating impeller is mounted on the rotating drum, which is connected to the drum cover to form a cylindrical space. The fixed shaft passes through the central axis of the rotating drum and drum cover and is rotatably connected to them. A cake holder, a feed cake, and a cake brush are installed within the cylindrical space. The cake holder is fixedly connected to the fixed shaft, and the feed cake is mounted and fixed on the cake holder. The cake brush rotates synchronously with the rotating drum, brushing the surface of the feed cake to accelerate slow release. Utilizing ocean currents or the up-and-down movement of seawater, the rotating impeller drives the rotating drum to rotate, which in turn drives the cake brush to continuously brush the slow-release flocculated layer formed on the surface of the feed cake. This effectively accelerates the diffusion and release of feed particles, solving the problem of excessively long natural slow-release time for feed cakes and their inability to pass through a 150-mesh or finer silk sieve, thus meeting the needs of aquaculture such as oyster farming.

The invention discloses an oyster culture water quality regulation and control method and system based on AI water quality regulation and control, and relates to the technical field of water quality monitoring and intelligent regulation and control. Carrying out score calculation and weighted integration on the smooth parameter sequence to generate a comprehensive evaluation quantity; identifying the change direction and the change amplitude in the fixed window and generating a trend record; and combining the comprehensive evaluation quantity, the trend record and the smoothing parameter sequence according to a time index, and determining a regulation and control level and regulation and control parameters. According to the method, a staged evaluation system based on smooth water quality parameters, a trend identification mechanism and a regulation and control quantity generation method are constructed, so that regulation and control decisions of continuous expression, staged sensitivity analysis and time sequence consistency of the oyster culture water body are realized.

1. Name of the product in this design: Oyster farming cage. 2. Purpose of this design: for oyster farming. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the technical field of devices for raising oysters, in particular to a device for raising oysters, which comprises a woven basket for containing oysters and a lifting handle for lifting and fixing the woven basket, the top of the woven basket woven by a plurality of PP (polypropylene) belts is fixedly connected with the lifting handle, and the top of the woven basket is fixedly connected with the lifting handle. One end of the top of the woven basket is fixedly connected with a shielding belt, one side of the shielding belt is provided with a fixing assembly, the fixing assembly comprises a rubber ball, a rubber block and a through hole, the bottom of the shielding belt is fixedly connected with the rubber ball, and the rear side of the woven basket is fixedly connected with a plurality of rubber blocks. Through the arrangement of the woven basket, the shielding belt and the fixing assembly, the shielding belt simply fixes the fresh oysters placed in the woven basket, the fresh oysters are not prone to escaping in the breeding process, the fixing process of the breeding mode is simpler, more convenient and environmentally friendly, and compared with a cement hanging breeding mode, the mode avoids the tedious process of fixing the fresh oysters.

The invention relates to the technical field of artificial cultivation of oysters, in particular to a method for artificially cultivating oysters. Comprising the following steps: (1) selecting oyster parents, and after ripening, carrying out artificial insemination and hatching to obtain oyster larvae; a ripening agent is used during ripening; (2) cultivating the oyster larvae obtained in the step (1), feeding the oyster larvae with initial feed to obtain young oysters, and feeding the young oysters with artificial feed after the young oysters are attached and metamorphosed; (3) performing intermediate culture on the oyster seedlings obtained in the step (2) to obtain juvenile mollusks; and (4) transferring the juvenile mollusks to a breeding farm to breed for 12-18 months. According to the method, high yield, high efficiency and high quality of oyster culture are achieved through an innovative ripening technology, precise nutrition allocation and scientific environment management, a reliable solution is provided for sustainable development of the oyster industry, and the method has wide application prospects.

The utility model discloses a novel oyster row, and belongs to the technical field of fresh oyster breeding. The novel oyster row comprises a plurality of floating pipes, a plurality of square oyster row rods and breeding units arranged between the floating pipes and the oyster row rods. Buoyancy is provided through the floating pipe, the oyster raft rod is fixedly connected with the floating barrel through the first connecting piece, the lower portion of the first connecting piece is an arc face, the upper portion of the first connecting piece is a first profile fixing groove, the contact area of the oyster raft rod and the floating pipe is increased, and stability of the oyster raft is improved. Meanwhile, cross connection between the square pipes is achieved through the second connecting pieces, the stability of the oyster cage frame is improved, the oyster cages are prevented from being gathered, the storm-proof performance of the oyster row is further improved, and the overall stability of the oyster row is improved.

1. The name of this design product: oyster farming bracket. 2. Purpose of the product of this design: a support for oyster farming. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

SYSTEM FOR THE FARMING OF SHELLFISH BIVALVE MOLLUSCS COMPRISING A BAG AND A MEANS OF ATTACHMENT TO A TABLE. System for oyster farming comprising: a bag (2) for containing shellfed bivalve molluscs and adapted to be attached to a retaining bar of a farming table; a tubular retaining element (22) placed in the bag to allow attachment of said bag to a retaining bar of a farming table; an attachment system (1) for attaching the tubular retaining element to the retaining bar, said attachment system comprising: a part (4) comprising two rings; a movable cleat (10) adapted to be inserted into at least one ring of the part and intended to be held in contact with said ring by a tie; a tie intended to be attached to the movable cleat and to the retaining bar of the table. Figure for the abstract: Fig. 2

The invention provides a method for judging culture feasibility of oysters in a nuclear power plant warm drainage sea area. The method comprises the steps that whether a culture sea area in the nuclear power plant warm drainage sea area meets oyster culture conditions or not is judged; if the oyster breeding conditions are met, a plurality of raft frames for oyster breeding are arranged in the breeding sea area according to a preset installation mode; oyster breeding is carried out on a plurality of raft frames in the breeding sea area in a cage breeding mode. Monomer oyster fries uniform in size are selected, the specification of each oyster is 15-25 g, and the stocking density is 10-15 per layer; and S4, continuously culturing until the specification of the oysters is more than 100g / grain, then harvesting and detecting, and if the radioactive substance limitation requirement is met, judging that the oysters can be sold. According to the method, the problem that oyster culture is not carried out in the warm drainage sea area of the nuclear power plant due to various doubts at present is solved by researching culture sea area conditions suitable for the warm drainage sea area of the oyster culture nuclear power plant and optimal conditions for culturing oysters in the culture sea area.

The present invention provides a longline oyster mechanized seeding machine and a method for using the same. The device includes a frame, as well as a conveying and separating mechanism, a turnover mechanism, a material sorting and feeding mechanism, a fixing mechanism, and a seedling rope conveying and storing mechanism that are fixed to the frame; the fixing mechanism is arranged beside the conveying and separating mechanism; the turnover mechanism is arranged beside the fixing mechanism; the conveying and separating mechanism is arranged beside the turnover mechanism. The longline oyster mechanized seeding machine and the method for using the same according to the present invention can complete the separation of single oyster seedling attachment bases and oyster seedling strings, the turnover of oyster seedling attachment bases, the fixation of oyster seedling attachment bases, glue filaments and seedling ropes, and the conveying and storing of the finished seedling ropes after fixation, etc., realizing the mechanized seeding operation of longline hanging culture of oysters, filling the blank of the lack of supporting equipment in the seeding link of longline hanging culture of oysters, reducing the labor intensity of operators, and improving the oyster seeding efficiency.

The purpose of the present invention is to provide an efficient harvesting vessel for longline cultured oysters, comprising a culture rope and a hull; the culture rope comprises a longline, and both sides of the hull are provided with a dividing device for separating the cultured products on the culture rope and a guiding mechanism for guiding the oyster rope and the float, and the dividing device comprises a separation chamber, and a plurality of groups of extrusion separation columns gradually approaching each other are provided on both sides of the channel in the separation chamber. The present invention relates to the field of aquaculture technology, and utilizes the buoyancy, tension and compressibility of water in its physical properties to achieve lossless separation, cleaning and buffering protection during oyster harvesting. High-pressure water flow is used to impact the longline and oysters to achieve the purpose of efficient lossless separation. The guiding mechanism can prevent the culture rope from being entangled in the working equipment, and cooperates with the separation chamber for online oyster stripping to realize fully automatic mechanized harvesting of oysters, without the need to cut the oyster rope, manual handling, or subsequent processing, which is convenient, fast, safe and efficient.

The utility model discloses a buoyancy ball for oyster cultivation, which relates to the technical field of oyster cultivation and comprises a support column, the inner side of the support column is of a hollow structure, and buoyancy plates are horizontally and fixedly connected to the periphery of the lower side of the support column at equal intervals; according to the device, the culture rope is fixed through the clamping seat, an attachment place is conveniently provided for the oysters, the culture efficiency is improved, the function of increasing the yield of the oysters in a unit water area is further achieved, stable and reliable buoyancy is conveniently provided for the culture device through the buoyancy ball and the annular convex lines, seawater corrosion and water flow impact are prevented, and the culture efficiency is improved. The stability of fresh oyster culture is improved, so that the culture device can adapt to the marine environment and stably culture the fresh oysters, and finally the problem that the buoyancy ball for fresh oyster culture is low in durability and cannot be used for a long time is solved.

The utility model relates to the technical field of oyster culture, in particular to a multilayer cage culture device for single oyster culture, which comprises a shell, an outer ring, an inner frame, a filter hopper, a first connecting frame and a second connecting frame, a first filter screen plate is mounted on the inner wall of the first connecting frame, and a second filter screen plate is mounted on the inner wall of the second connecting frame. According to the multi-layer cage culture device for single oyster culture, the outer ring is driven by the shell to rotate in the annular plate, the use face of the shell can be adjusted, the inner frame can be directly taken out conveniently to replace the filter hopper through the arranged limiting blocks and limiting grooves, and the device is convenient to use. And through cooperation of a first inserting groove, a second inserting groove, a first connecting frame, a second connecting frame, a first filter screen plate and a second filter screen plate, water liquid can be conveniently filtered, and therefore cleanliness of objects is kept.

[Problem] When oysters are cultivated in an aquaculture cage, the distribution of the oysters in the cage becomes significantly uneven due to the oscillation of waves on the sea surface. [Solution] An oyster aquaculture cage according to the present invention is connected to an aquaculture cable placed on the sea surface, wherein: the upper surface of the aquaculture cage is substantially rectangular in a plan view; the shape of the bottom part of the aquaculture cage has a curved surface that is convex downward in a cross section in a plane perpendicular to the extending direction of the aquaculture cable; the lateral width WBb of the bottom part of the aquaculture cage is 40-70 cm; the height HB of the aquaculture cage is WBb × 1 / 3 to WBb × 2 / 3; the height HBb of the bottom part of the aquaculture cage is WBb × 1 / 4 to WBb × 1 / 2; the downward convex curved surface has a shape that can be approximated to a substantially circular arc or a portion of a substantially circular arc; and the radius RA of the circular arc is 0.48 WBb to 0.63 WBb.

The utility model relates to the technical field of fresh oyster breeding, and discloses a sorting device for fresh oyster breeding, which comprises an annular conveyor, two collecting boxes are fixedly connected to the outer wall of the annular conveyor, a U-shaped frame is fixedly connected between the inner walls of the two collecting boxes, first carrier rollers which are uniformly distributed are rotatably connected between the inner walls of the two U-shaped frame, and the first carrier rollers are fixedly connected to the outer wall of the annular conveyor. Rubber rings are arranged on the outer rings of the first carrier rollers, second base plates are fixedly connected to one sides of the outer walls of the two U-shaped frames, air pumps are fixedly connected to the tops of the two second base plates, conveying pipes penetrate through one sides of the two air pumps and are fixedly connected to one sides of the two air pumps, and air bags penetrate through one sides of the two conveying pipes in a hanging mode and are fixedly connected to one sides of the two conveying pipes. According to the fresh oyster collecting device, through the collecting box, the U-shaped frame, the rubber ring, the first carrier roller and the air bag, when fresh oysters fall into the collecting box from the supporting hopper, the fresh oysters can firstly fall above the rubber ring, and due to the fact that the U-shaped frame is obliquely placed, the fresh oysters can slide on the rubber ring.

The invention belongs to the technical field of microbial agents, and particularly relates to a microbial agent for increasing the content of glycogen in oysters. The microbial agent is obtained by coating bacillus, lactic acid bacteria and monad with sodium alginate, calcium chloride, calcium alginate and chitosan. According to the application, the number and activity of viable bacteria in the microbial agent are improved by adjusting the content of NaCl, the temperature and the pH value; according to the prepared microbial agent for increasing the glycogen content of the oysters, the functions of the used microorganisms are complementary, through the cooperation of immunity and metabolism, synthesis of the glycogen is increased, consumption of the glycogen is reduced, the synthesis efficiency of the glycogen in the oysters is enhanced, the glycogen content of the oysters is increased, and an innovative solution is provided for improving the quality and efficiency of oyster culture.

An ephemeral substrate material for growing oysters that is composed of a biodegradable woven cloth, woven fabric, or woven netting and a binder comprising a mineral-based hardening agent, along with artificial oyster growing structures prepared from the ephemeral substrate material and methods of using the same to cultivate oysters, control shoreline erosion and develop a saltmarsh habitat.

The utility model discloses large buoyant raft oyster breeding equipment, which belongs to the field of oyster breeding, and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a breeding frame, a plurality of bearings are fixedly embedded in the inner side wall of the breeding frame, the inner ring of each group of bearings is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with the bottom plate. The outer surfaces of the two connecting shafts are each sleeved with two transmission wheels, a belt is in transmission connection between each set of transmission wheels, and a rotating disc is fixedly connected to the left end of one connecting shaft. When the device conducts harvesting, by rotating the rotating disc, under the cooperation of the multiple transmission wheels and the belts, each supporting frame can be moved, and the harvesting efficiency is improved; and the supporting frame at the foremost end is lifted out by a worker, so that the cultured oysters can be harvested, and the problem that the production efficiency is low due to the fact that breeding equipment can be put away singly and needs to be moved repeatedly only when fry throwing and harvesting in the breeding process completely depend on manual walking back and forth is effectively solved.

The invention relates to the technical field of shellfish culture equipment, in particular to a semi-automatic culture harvesting device for culture of monomer oysters in an inner bay sea area, which comprises a water surface floating cage, a workboat and a shuttle machine, and the water surface floating cage comprises a traction rope; the workboat comprises a boat body, a first fixing column, a second fixing column, a support, a winder, a servo motor and a spring buckle, and the traction rope is connected into the spring buckle in a penetrating mode. The shuttle machine comprises a floating platform, a guide frame, a guide connecting rod, an adjusting frame and two connecting rings, the two connecting rings are connected to the outer sides of the first fixing column and the second fixing column in a sleeving mode correspondingly, the guide frame is arranged on the front side of the upper surface of the floating platform, the adjusting frame is arranged on the rear side of the upper surface of the floating platform, and the guide connecting rod is connected with the guide frame and the adjusting frame. By optimizing the design of the water surface floating cage, the workboat and the shuttle machine, semi-automatic operation of oyster breeding and harvesting is achieved, remarkable economic and social benefits are achieved, and the device can be widely applied to the oyster breeding industry in coastal inner bay sea areas.

The application discloses a kind of mechanical equipment for cleaning mud attached to oyster culture cage, it includes base, boom, mounting mechanism, translation mechanism carried on boom, hoisting assembly and cleaning mechanism.Translation mechanism includes transmission shaft I, motor I, four groups of transmission shaft II, four groups of driving wheels sleeved on transmission shaft I, driven assembly, wheel belt arranged between transmission shaft I and driven assembly, three groups of slide way opened at the bottom of boom, pulley I and two groups of pulley II.Cleaning mechanism includes guide structure, cleaning structure and lifting assembly, wherein, cleaning structure is arranged around oyster culture cage, and moves vertically along guide structure under the drive of lifting assembly.The application establishes integrated mechanical cleaning mode, with the advantages of high efficiency, fast speed and clean and thorough cleaning, improves oyster culture growth rate and yield, reduces disease incidence, fundamentally solves the cleaning problem of mud and algae attached to the outside of current oyster culture cage.

The present invention relates to an apparatus for removing fouling from a buoy of a suspended oyster farm. The apparatus for removing fouling from a buoy of a suspended oyster farm has a base frame seated on a bottom surface and a post unit formed as a rectangular pillar on one longitudinal side of the base frame. The apparatus comprises: a scraper unit in which a plurality of plate-shaped scrapers defining an inner space to accommodate the buoy are connected and formed on an upper portion of the post unit; a sliding unit which is disposed on one side of the base frame to push the buoy so that the scrapers remove fouling attached to the buoy; and a pushing unit which is rotatably disposed on one side of the sliding unit so as to push the buoy to one side of the scraper unit in response to the operation of the sliding unit, wherein the scraper unit further includes a reinforcement part connecting the scrapers circumferentially, and a seating part extending from one side of each scraper to seat the lower portion of the buoy.

The invention relates to the technical field of oyster breeding, in particular to an artificial breeding feed for oysters as well as a preparation method and application of the artificial breeding feed. The invention provides an artificial breeding feed for oysters. The artificial breeding feed is prepared from the following components in parts by mass: 25-35 parts of flour, 8-12 parts of puffed soybean meal, 6-10 parts of corn flour, 20-40 parts of a protein raw material, 20-40 parts of an algae raw material, 3-5 parts of monocalcium phosphate, 2-4 parts of zeolite powder, 1-2 parts of choline chloride, 2-3 parts of composite vitamins and 0.8-1.2 parts of a fermentation inoculant. Through formula innovation and process innovation of the oyster breeding feed, unification of high efficiency, environmental protection and economical efficiency of the oyster breeding feed is realized, a reliable solution is provided for large-scale and intensive breeding, and the oyster breeding feed has a wide application prospect.

An ephemeral substrate material for growing oysters that is composed of a biodegradable woven cloth, woven fabric, or woven netting and a binder comprising a mineral-based hardening agent, along with artificial oyster growing structures prepared from the ephemeral substrate material and methods of using the same to cultivate oysters, control shoreline erosion and develop a saltmarsh habitat.

Provided is novel ephemeral substrate material for growing oysters that alleviates concerns related to adding large quantities of permanent fill to estuarine water and promotes high rates of oyster survival and growth, high meat quality and market-favorable shell-shape of cultured oysters, along with artificial oyster growing structures prepared from the ephemeral substrate material and methods of using the same.