149 results about "Oyster" patented technology

The inventive technique process of grainy calcium material for preventing and treating peanut blight primarily includes: adopting the shell powder and weathered coal as raw materials, machining into peanut blight prevention material through agglomeration granulation. The invention has innovative and reasonable design, which not only has simple process, easy implementing, but also has low cost of raw materials, product application convenience, remarkable peanut blight prevention effect, and capability of promoting high-efficient production pf peanut. In particular, the invention applies coastal oyster shell wastes for machining calcium materials for preventing and treating peanut blight, which not only reduces environmental pollution, but also promotes recycling of resources, has very significant economic, social and ecological benefits and greater promotional value.

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.

The utility model relates to the technical field of breeding cages, in particular to an oyster breeding cage lifting device adapting to tidal changes. Comprising a floating box, an aquaculture net cage which is arranged at the bottom of the floating box and can move longitudinally, a lifting mechanism which is arranged at the bottom of the floating box and used for driving the aquaculture net cage to move longitudinally, and limiting rods which are longitudinally arranged on the two sides of the floating box and used for limiting the moving path of the aquaculture net cage. A rotatable winding roller is arranged at the bottom of the first fixing frame, and a first winding wheel is rotationally arranged on the side, close to the winding roller, of the bottom of the first fixing frame. A second fixing frame is arranged in the center of the top of the culture net cage, and a second reel is rotationally arranged in the second fixing frame; a flexible winding wire is fixed to the top end of the second fixing frame. The aquaculture net cage can be longitudinally and stably lifted. The problem that the depth of the breeding cage is inconvenient to adjust is solved.

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 utility model discloses a triploid oyster three-dimensional layered culture frame which comprises a main body, a lifting assembly is arranged in the main body, and a detection assembly is arranged in the lifting assembly. The lifting assembly comprises a plurality of mounting seats, screw rods are arranged on the outer walls of the bottoms of the mounting seats, rotating discs are mounted on the outer walls of the bottom ends of the screw rods through bolts, and rotating rods are movably mounted on the outer walls of the bottoms of the rotating discs through rotating shafts. Through the arranged lifting assembly, after the motor is started, the motor can drive the screw to start to rotate, the rotating disc can be driven to rotate along with the rotation of the screw, when the rotating disc rotates, the other rotating disc and the screw can be further driven to rotate by means of the action of the rotating rod and the connecting rod, and in the rotating process, the screw can drive the rotating disc to rotate through the action of the chain wheel and the chain. By means of the structure, the device can effectively achieve separation of water and triploid oysters, and a user can conveniently collect the triploid oysters.

The present application relates to a kind of technology for inducing marine sessile organism attachment, especially a kind of fiber reinforced ecological concrete and preparation method, belong to the cross field of marine sessile organism and marine concrete.Its material components include: cementitious material, broken stone, sand, water, dark pigment, biological calcium powder, calcium carbonate powder, trace element, chopped fiber and superplasticizer.The purpose of the present application is to induce sessile organism attachment, mainly oyster, in the tidal zone reinforced concrete corrosion prevention, considering the attachment of barnacle.By controlling to use dilute acid modification and composite grinding technology, the inducing capacity of bovine bone powder is fully exerted, the bovine bone powder content is greatly reduced, and corrosion prevention treatment and modification are carried out, a composite inducer mainly composed of bovine bone powder is realized, the content is small, and the concrete strength and permeability are almost not affected.

The application discloses a striped jack fry hatching device and a hatching domestication method thereof, and aims to provide a striped jack fry hatching device and a hatching domestication method thereof, which are convenient to operate, can effectively reduce physiological stress and external abrasions of striped jack fry, and are favorable to improving the survival rate of the fry after releasing. The striped jack fry hatching device comprises a hatching net cage provided with a fry outlet on one side, vertical guide rods arranged on the left and right sides of the fry outlet, a telescopic net cover, a closing rope and a lifting rope.

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.

The application relates to the field of aquaculture, and particularly discloses a method for cultivating oyster larvae, which comprises the following steps: S1, fertilized eggs are developed into D-shaped larvae in seawater at 22 DEG C for 20-24 hours; S2, the D-shaped larvae are cultivated under the condition that the temperature is 22-24 DEG C and the salinity is 29-31 ‰, feed and growth nutrient solution are fed daily, water is changed daily, after the D-shaped larvae appear eye spots, a larval collector is put in, and algal feed and growth promoting solution are fed daily, the larvae are cultivated into 0.8-1 mm juvenile shellfish, and are transferred to sea cultivation; the growth nutrient solution comprises the following components in weight parts: 1-2 parts of a small molecule peptide solution, 0.01-0.03 parts of neomycin sulfate powder, 0.5-1 part of corn starch, 2-4 parts of modified montmorillonite, and 10-15 parts of water. The method for cultivating oyster larvae has the advantages that the survival rate of the larvae is improved, the growth speed is accelerated, and the metamorphosis and attachment rate is improved.

The invention discloses oyster pallium hexapeptide with an effect of promoting osteogenesis as well as a preparation method and application of the oyster pallium hexapeptide. The amino acid sequence of the oyster pallium hexapeptide is Phe-Phe-Glu-Pro-Lys-Phe. Fresh oyster mantle is used as a raw material, pepsin and trypsin are used for hydrolysis and centrifugation to obtain supernate, then ultrafiltration is carried out to obtain filtrate with the molecular weight being 1000 Da or below, finally freeze drying is carried out, the sequence of oyster hydrolytic peptide is obtained through mass spectrum identification, and by means of a molecular docking technology and a database prediction simulation method, the oyster hydrolytic peptide is obtained. Oyster peptide with high osteogenesis promoting capacity is screened from a plurality of peptide sequences. The oyster hexapeptide obtained by the invention has the effects of improving osteoblast proliferation and differentiation capacity and improving dexamethasone-induced zebra fish bone loss, and can be used as a beneficial dietary supplement in related products for delaying bone loss.

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 utility model relates to the technical field of anti-storm structures, and discloses an oyster breeding floating mat anti-storm structure which comprises a plurality of connecting plates and fixing plates, the two sides of the inner wall of each connecting plate penetrate through and are fixedly connected with second springs which are evenly distributed, and the other ends of the second springs are fixedly connected with limiting plates. The limiting plates are fixedly connected with the connecting plates, the limiting plates are slidably connected with the connecting plates, anti-skid plates are fixedly connected to one sides of the limiting plates, the anti-skid plates are slidably connected with the connecting plates, uniformly-distributed bearing grooves are formed in the tops of the fixing plates, and fixing blocks are slidably connected to the inner walls of the bearing grooves. The two sides of the fixing block penetrate through and are fixedly connected with first springs. According to the floating mat, through linkage among the bearing grooves, the fixing blocks, the first springs, the sliding rods, the second springs, the limiting plates and the anti-skid plates, the number of the connecting plates can be increased or decreased according to needs, the size of the floating mat is adjusted, and therefore the floating mat can meet the breeding requirements of different water areas.

An aquaculture device designed to hold and secure marine species such as scallops, urchins, or oysters in an underwater environment while they grow, the device configured to be deployed and retrieved in a manner similar to conventional commercial fishing gear.

The utility model discloses an automatic weighing and bagging device for oysters, and belongs to the technical field of aquatic product treatment. Comprising a feeding pipe obliquely arranged on a frame body, a stock bin is located at the low end of the feeding pipe and communicates with the feeding pipe, a servo motor used for driving a rotating shaft to rotate is arranged at the high end of the feeding pipe, the rotating shaft is arranged in the feeding pipe in a penetrating mode and rotationally connected with the feeding pipe, and spiral conveying blades connected to the periphery of the rotating shaft are arranged in the feeding pipe; a discharging port is formed in the top of the feeding pipe, a material receiving bin installed on the frame body is arranged below the discharging port, a weighing sensor is arranged between the material receiving bin and the frame body and connected with a controller, a sliding baffle is arranged at an outlet in the bottom of the material receiving bin and connected with an air cylinder, and the air cylinder is connected with the controller. The controller controls the air cylinder and the servo motor. The automatic weighing and bagging device has the advantages that manual work is replaced, automatic weighing and bagging are achieved, efficiency is improved, and work intensity and labor cost are reduced.

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 application provides a construction method of a coastal cofferdam oyster breeding and fattening sewage purification system, and relates to the technical field of sewage purification systems. The method comprises the following steps: constructing a breeding pond; initially hardening the breeding pond; laying a sewage pipeline; reinforcing the hardening of the breeding pond; and laying a seepage-proof membrane. The system constructed by the method comprises a breeding pond, a sewage pipeline and a sewage pump. The construction of a breeding ridge and a sewage ditch structure at the bottom of the breeding pond, the hardening and seepage-proof treatment, the laying of the sewage pipeline at the bottom of the sewage ditch and the installation of the sewage pump make it possible to breed and fatten oysters in the coastal cofferdam, effectively solve the technical problems of sediment accumulation and water quality deterioration in the breeding pond, the unique floating ball type sewage valve design completely isolates the residual pollutants in the sewage pipeline from the clean breeding water body, completely eliminates secondary pollution and guarantees the growth and cultivation environment of oysters.

The utility model discloses an oyster breeding device which comprises a supporting arm connecting ring and a breeding cage, three pairs of supporting arms are evenly and fixedly connected to the outer side wall face of the supporting arm connecting ring, floating ball connecting rods are fixedly connected to the tail ends of the supporting arms, a floating ball is fixedly connected between every two adjacent pairs of floating ball connecting rods, and the floating balls are connected with the breeding cage. The top end of the support arm connecting ring is fixedly connected with a lifting ring, the support arm is fixedly provided with a culture cage lifting hook downwards, the top end of the culture cage is uniformly provided with three pairs of hanging lugs, and the culture cage lifting hook and the hanging lugs are hung in a one-to-one correspondence mode. The breeding cage is hung on a floating ball raft through a lifting hook and a hanging lug, the floating raft of a circular structure composed of a floating ball and a floating ball connecting rod can effectively relieve impact caused by stormy waves, stability is high, deformation is not prone to occurring, damage is not prone to occurring, and a lifting ring and the lifting hook are both convenient for farmers to place and recycle.

The invention discloses an integrated intelligent monitoring system for health of an oyster raft structure and a breeding environment. The integrated intelligent monitoring system comprises a plurality of pedals, buoys arranged at the bottom ends of the pedals, a plurality of cross beams arranged among the pedals, a plurality of longitudinal beams arranged at the top ends of the cross beams, and connecting beams arranged at the top ends of the longitudinal beams; according to the integrated intelligent monitoring system for the health of the oyster raft structure and the culture environment, by arranging the dismounting mechanism between the buoy and the pedal, tenon-and-mortise fixation or separation of the buoy and the pedal can be rapidly achieved through the butt joint plate, the limiting ball and the first damping spring shock absorber, the transportation and maintenance convenience is greatly improved, and the flexible operation and maintenance requirements of offshore culture are met; the buffer mechanism is arranged between the pedal and the cross beam, the second damping spring shock absorber of the buffer mechanism can effectively absorb shock, hard friction between the pedal and the cross beam is reduced, and the service life of the whole structure is prolonged.

The present invention relates to the technical field of farming aquatic animals, such as bivalve mollusks, for example, oysters or scallops. In particular, the present invention provides a device, system and method for farming mollusks. This invention improves production efficiency in the farming of mollusks, mainly bivalve mollusks, by handling the movement of said mollusks and defining a specific area for each individual. This entails an improvement in individual survival, improving farming density and reducing loss caused by death.

The utility model discloses a kind of non-destructive basket loading conveying systems suitable for oyster weight sorting after, oyster is completed based on the sorting of weight on material box type weight sorting machine, is conveyed to first water inner lifting conveyor or second water inner lifting conveyor or third water inner lifting conveyor, oyster is lifted to basket loading water tank in water inner basket loading conveyor by first water inner lifting conveyor or second water inner lifting conveyor or third water inner lifting conveyor and is loaded in basket;Oyster after loading in basket is sent out by oyster conveyor.The utility model is through the multi-dimensional innovation of water medium buffer+laser positioning+dynamic rhythm, break through the damage bottleneck of oyster sorting basket loading, realize the dual promotion of oyster survival rate and quality, can provide technical support for high value-added oyster product, widely used in aquatic transportation technical field.

The invention belongs to the technical field of soil improvement and waste resource utilization, and particularly relates to composite soil based on waste shell improvement and a preparation method. According to the composite soil, acid soil serves as substrate soil, shell powder prepared from waste shells is added to serve as a unique modifier, and pH value adjustment and structure optimization of soil with different acidification degrees are achieved by precisely controlling the adding concentration of the shell powder. The preparation method comprises the steps of shell powder preparation, soil grouping adjustment, gradient mixing and after-treatment, the process is simple, the cost is low, and raw materials are environmentally friendly. Waste shells such as oysters and freshwater mussels are subjected to resource utilization, soil acidity is effectively neutralized, the ventilation and water retention performance of soil is improved, meanwhile, nutrients such as calcium are provided for plants, the emergence rate and growth quality of the plants in the acid soil are remarkably improved, and good economic and environmental benefits are achieved.

The invention belongs to the technical field of aquaculture, and particularly relates to a decapterus maruadsi breeding feed and application thereof in improving the quality of decapterus maruadsi fertilized eggs. The invention provides a decapterus maruadsi breeding feed. The feed comprises a first feed and a second feed which are mutually independent, the first feed comprises a basal feed, fish cream and a nutrition enhancer; the second feed comprises the first feed and oyster meat; the nutrition enhancer contains calcium pantothenate, vitamin B1, vitamin B2, vitamin B6, vitamin C and vitamin F. When the culture feed for the decapterus maruadsi is used for performing nutrient enrichment on parent fishes of the decapterus maruadsi, synchronous development of sexual glands of male and female parent fishes of the decapterus maruadsi can be promoted, the quality of fertilized eggs of the decapterus maruadsi is improved, the good egg rate of the fertilized eggs of the decapterus maruadsi reaches 88.50% and is 39.15% higher than that of a control group, and the fertilization rate of the fertilized eggs reaches 79.58% and is 19.46% higher than that of the control group.

The invention discloses oyster powder and a preparation method thereof, and belongs to the technical field of seasonings. The preparation method comprises the following steps: selecting fresh and live oysters, cleaning shells, opening the shells, taking meat, washing, mixing the oyster meat with purified water, slowly cooking at low temperature, then boiling at high temperature, and filtering to obtain oyster juice; mixing the oyster juice with maltodextrin, edible salt, white sugar, monosodium glutamate, disodium 5 '-inosinate and disodium 5'-guanylate, and sequentially performing high-temperature sterilization, compound enzyme enzymolysis and enzyme deactivation; and conveying the powdery precursor raw material to a spray drying tower for drying (with a spiral cyclone guide plate and three-stage temperature control), and performing three-stage discharging after drying to obtain the oyster powder. The method solves the problems of insufficient delicate flavor, poor solubility and high hygroscopicity of the existing oyster powder, and the prepared oyster powder is strong in delicate flavor, good in fluidity and stable in quality, and meets the use and storage requirements of seasonings.

This invention discloses a method for improving the quality stability of frozen oysters and a frozen oyster meat product, relating to the field of aquatic product processing technology. The method for improving the quality stability of frozen oysters provided by this invention employs ultrasonic treatment combined with citric acid solution soaking. It utilizes the cavitation effect, microjets, and mechanical vibration generated when ultrasound propagates in a liquid medium to effectively disrupt the mass transfer resistance on the surface of oyster tissue, significantly promoting the penetration and uniform distribution of citric acid within the muscle tissue. This solves the problems of low penetration efficiency of active ingredients and insufficient internal tissue protection in traditional citric acid soaking treatments, achieving effective inhibition of lipid and protein oxidation. This invention features a simple process, high safety, requires no complex equipment, and is suitable for large-scale application in the aquatic product processing industry.

This utility model relates to a composition for an oyster mushroom (Pleurotus ostreatus) -based cracker, providing a healthier and nutrient-rich alternative to traditional snack crackers. The composition consists of oyster mushroom as the primary ingredient, combined with tapioca starch, water, fish sauce, ground pepper, iodized salt, onion powder, garlic powder, sugar, flavor enhancer, and chili powder. The formulation enhances crispiness, flavor balance, and overall consumer acceptability while preserving the nutritional benefits of oyster mushrooms. The disclosed composition offers a sustainable and flavorful snack option that meets the increasing demand for healthier alternatives. This innovation is particularly relevant to the food industry, where there is a need for plant-based, functional snacks with improved texture and taste. The oyster mushroom-based cracker provides an economically viable and scalable solution for food manufacturers and entrepreneurs in the snack production sector.

The invention provides a method for cultivating a new strain of Fujian oysters with white thin shells and high meat yield, and belongs to the technical field of aquaculture. Class groups with white shell color, shell thickness of 0.8-1.5 mm, shell depth of more than 2cm and high meat yield are preliminarily screened as core groups; preferably selecting 10% of Fujian oyster groups with white shells, the shell thickness of 0.8-1.5 mm, the shell depth of more than 2cm and the meat percentage of more than 20% by adopting a head cutting selection method, so as to obtain a new Fujian oyster strain with white thin shells and high meat percentage; further purifying the characters of white shell color, shell thickness of 0.8-1.5 mm and high meat yield in a family breeding mode to form a second-generation breeding family; and finally, a new strain with stable characters is obtained through several generations of continuous purification. The new strain of the Fujian oysters with white shells, thin shells and high meat yield has the advantages of stable inheritance, high meat yield, extremely high commodity value and the like, and has huge popularization and breeding prospects.

An oyster clamp includes a base element having a recess for receiving an oyster to be opened. A lip coupled to the base element overhangs and impinges on an edge of a work surface on which the oyster clamp is placed, and a plurality of rubber feet are coupled to an underside of the base element. A retainer is attached to the base element to prevent the oyster from exiting the back of the oyster clamp in use. An oyster clamping element is operatively coupled to a handle and to the base element such that operating the handle causes the clamping element to push the oyster down against the base element.

The oyster and shellfish aquaculture system includes an arrangement of equipment and controls to provide for growth and harvest of oysters. The shellfish will be contained in cages which are supported by lift structure and equipment. This system will primarily benefit small aquaculture farms or private waterfront property owners. Automated equipment will be used to lift the shellfish from the water. Sensors, controls and communication are configured to provide effective and efficient aquaculture farming while keeping records to facilitate best management of the aquaculture operations.