300 results about "Shellfish" patented technology

The invention relates to the technical field of shellfish breeding, in particular to a rapid microalgae breeding method for shellfish breeding based on a photobioreactor and a cement pool. The method comprises the following steps: firstly, optimizing a photobioreactor structure and an illumination layout, controlling a culture environment by matching with a multi-parameter regulation and control system, breeding microalgae seeds with high resistance and high carbon sequestration capacity, culturing to a preset density, and partially harvesting and inoculating into a cement pond, after partial harvest, the photobioreactor realizes continuous culture by supplementing disinfected seawater and nutritive salt; the harvested high-density microalgae are inoculated into a cement pond, nutritive salt is supplemented in a doubled mode, air and carbon dioxide mixed gas is used for continuous aerated culture, and the microalgae are promoted to rapidly reach the index growth period and used for being directly fed to shellfish larvae; according to the rapid microalgae breeding method for shellfish seedling culture, the yield and quality of microalgae are both considered, the success rate and productivity of aquatic seedling culture are effectively improved, the production cost and the labor intensity of workers are reduced, and the method is suitable for large-scale popularization.

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 invention relates to the technical field of sewage purification, and particularly discloses a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The invention relates to a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The method comprises the following steps: S1, collecting, adjusting and precipitating sewage through a pretreatment unit, and intercepting solid garbage at the same time; s2, introducing the pretreated sewage into a fish-fungus-algae symbiotic unit, putting fungi and algae into the unit, and stocking herbivorous fishes; s3, effluent of the fish-fungus-algae symbiosis unit is guided into a shellfish purification unit, and shellfish is put into the shellfish purification unit; s4, leading effluent of the shellfish purification unit into an aquatic plant purification unit, and planting aquatic plants in the aquatic plant purification unit. The pollution reduction type water quality purification method combining the shellfish and grass carp bacteria and algae can be used for scenes such as village and town domestic sewage, agricultural non-point source pollution and sewage treatment plant tail water, and has the advantages of pollutant reduction and water body self-purification capability reconstruction.

The invention discloses a lake and bay habitat maintenance method based on hierarchical calculation, and relates to the technical field of water ecological environment protection and ecological restoration, the effective water body volume of a lake is accurately calculated by combining terrain scanning with a partition weighted correction formula, and the volume estimation deviation of a traditional method is avoided; on the basis, the existing biomass of the plankton is subjected to layered correction, and the estimation precision of the primary productivity of the lake is improved, so that a scientific basis is provided for the proliferation capacity of filter-feeding fishes. Through water level and water quality dynamic correction and in combination with submerged vegetation population structure regulation and control, vegetation degradation caused by excessive ingestion of fishes can be effectively avoided. Further introducing batch stocking of the snails and the shellfish, constructing a closed-loop mechanism of snail ingestion-plankton reproduction-shellfish filter feeding-fish utilization-vegetation restoration, finally forming a fish, shellfish, snails and grass synergistic ecological balance system, and realizing long-term stable maintenance of the lake and bay habitat.

The invention discloses a composite inducer for promoting adhesion and metamorphosis of marine bivalve mollusk larvae and an application method of the composite inducer. The composite inducer for promoting adhesion and metamorphosis of the marine bivalve mollusk larvae comprises glutamine, glutamic acid, potassium chloride, calcium chloride and taurine, and the concentration ratio of the glutamine to the glutamic acid to the potassium chloride to the calcium chloride to the taurine is 1: 1: 2 * 10: 1.7 * 10: 4. According to the application, glutamine, potassium ions, calcium ions, glutamic acid and taurine are matched, the application effect of the glutamine, the potassium ions, the calcium ions, the glutamic acid and the taurine in the aspect of improving the attachment and metamorphosis rate of the shellfish larvae is defined, the technical blank of multi-component cooperative regulation and control of the attachment and metamorphosis of the shellfish at present is filled, a new solution is provided for bivalve shellfish fry production, and the application prospect is wide. The method is of great significance in promoting healthy development of the mariculture industry.

The utility model discloses a shovel tooth combined type mud flat shellfish digging device with adjustable spacing, which relates to the technical field of mud flat shellfish digging operation, and comprises a cross beam and a plurality of digging shovels fixedly arranged on the cross beam, comb teeth are uniformly arranged among the digging shovels, the comb teeth are arranged on the cross beam, the spacing of the comb teeth is adjustable, and the shovel tooth combined type mud flat shellfish digging device is arranged on the cross beam. The digging shovel is provided with multiple types of protruding structures, and the comb teeth are designed to be of a gradually-changing-size structure. Due to the design of various protruding structures on the shovel body of the digging shovel, mud flat silt can be better cut during digging, soil entering resistance can be reduced, and soil adhesion is prevented. The comb teeth are of a size gradual change type structural design, the soil penetrating size is gradually changed during excavation, soil penetrating resistance can be reduced, and the hilling phenomenon is reduced. The digging shovel and the comb teeth are adopted for cooperative operation, the soil breaking capacity of the digging shovel can be kept, the soil penetrating resistance is reduced through the comb teeth, part of soil is screened out in the digging process, and the soil hilling phenomenon is reduced.

This invention relates to the field of pet nutrition technology, and more particularly to a fresh dog food for improving coat health and its preparation method. The fresh dog food of this invention comprises component A and component B. Component A includes the following components in parts by weight: 40-45 parts venison, 10-12 parts mussels, 8-10 parts chicken liver, 8-10 parts duck egg, 3-5 parts carrot, 3-5 parts broccoli, 3-5 parts pumpkin, 3-5 parts taro, 3-5 parts avocado, 0.8-1 part dried red dates, 0.8-1 part dried rose petals, 0.5 parts whey calcium, 1.3 parts malt powder, 0.5 parts inulin, 0.5 parts brewer's yeast, and 0.2 parts fish oil. Component B is Bacillus subtilis; the viable count of Bacillus subtilis is 1×10⁻⁶. 9 CFU / g. This invention utilizes the synergistic effect of deep-sea shellfish and venison to improve the coat quality of puppies, increasing the coat diameter by ≥23.1% and the scale thickness by ≥32.4%.

The invention discloses cleaning and draining equipment for shellfish aquatic products. The cleaning and draining equipment comprises a shell, a transmission mechanism, a cleaning mechanism and an elastic pressing mechanism, wherein the transmission mechanism, the cleaning mechanism and the elastic pressing mechanism are arranged in the shell; the cleaning mechanism comprises a first cleaning assembly and a second cleaning assembly which are arranged on the upper side and the lower side of the conveying mechanism correspondingly; wherein the conveying mechanism drives the shell aquatic products to sequentially pass through a cleaning area below the first cleaning assembly and a cleaning area above the second cleaning assembly, and the elastic pressing mechanism is arranged on the side, provided with the first cleaning assembly, of the conveying mechanism and used for abutting against the impact of the second cleaning assembly on the shell aquatic products. By means of the shell cleaning device, the convex face and the concave face of a shell can be cleaned at the same time in one procedure, a second cleaning procedure is not needed, meanwhile, the edge of the shell can be prevented from being damaged through the elastic pressing function, and the completeness and the appearance condition of the shell are kept.

The invention relates to the technical field of shellfish breeding, in particular to a shellfish breeding seedling screening machine which comprises a seedling screening pool, a seedling screening cylinder, a feeding part, a receiving part, a pair of mounting seats and a driving mechanism, the seedling screening cylinder is arranged in the seedling screening pool, the two mounting seats are symmetrically arranged on the two sides in the seedling screening pool, and the driving mechanism is arranged on one mounting seat and is arranged on the other mounting seat. The driving part is used for driving the seedling screening barrel to rotate, one end of the seedling screening barrel is rotationally connected with a feeding opening connected with the feeding part, the other end of the seedling screening barrel is rotationally connected with a discharging opening connected with the receiving part, and the feeding opening and the discharging opening are formed below the two mounting seats respectively; and a plurality of baffle plates which are obliquely distributed in the same direction are fixed on the inner wall of the seedling screening cylinder at intervals around the axis of the seedling screening cylinder. The temporary storage inclined opening is formed by the blocking pieces obliquely arranged on the inner wall of the seedling screening barrel and the seedling screening barrel, qualified seedlings can be sequentially carried to be upwards transferred to the material collecting mechanism when the seedling screening barrel rotates, the qualified seedlings are obliquely guided and conveyed through the material collecting mechanism, and body surface damage and activity reduction caused by mechanical extrusion of the seedlings are avoided.

The application discloses a kind of based on bottom sowing mode's spiral shell class aquaculture device, it is related to aquaculture field, it solves the problem that existing cultivation device can cause seedling to be unable to climb out from temporary housing box, including: bottom frame and four side frames being arranged in the outside of bottom frame, the top of side frame is provided with top frame, soft tube is arranged between four top frames, the top of soft tube is installed with mounting bracket, the top of mounting bracket is installed with float ball;It further includes: seedling releasing mechanism, for safely releasing seedling to seabed, seedling releasing mechanism is installed on the top of bottom frame, seedling releasing mechanism includes two sleeve seats being fixedly installed on the top and bottom of side frame respectively;The application is by seedling releasing mechanism, so that bottom frame, side frame and top frame form cubic frame structure, realize the temporary storage of seedling, and when bottom frame is close to seabed, side frame and top frame are automatically opened, realize bottom sowing of shell seedling, facilitate seedling to climb into seabed, and improve bottom sowing efficiency, to reach the effect of efficient bottom sowing, applicable to bottom sowing of multiple batches of seedling.

The invention discloses a fish and shellfish symbiosis seaborne net cage culture system and method, and relates to the technical field of aquaculture, and the method comprises the following steps: arranging a culture net cage in an offshore sea area; fish fries are put into a surrounding net, bivalve shellfishes are put into a shellfish culture piece cage, and the shellfish culture piece cage is hung in the culture net cage; feeding bait irregularly, checking the integrity of the shellfish culture cage and the covering condition of attachments regularly, and making a treatment means according to the covering rate; in the later period of culture, the adult fishes with the body length exceeding a preset value are caught irregularly in a fishing mode, and after the culture period is finished, the remaining adult fishes are caught in a concentrated mode by increasing the height of the purse seine; the shellfish culture piece cage is lifted out of the water surface to collect adult shellfish. The culture system disclosed by the invention comprises a culture net cage and shellfish culture piece cages, wherein the shellfish culture piece cages are hung in a purse seine. According to the method, mutualism of marine fishes and bivalve shellfish can be achieved, the resource utilization rate and the culture benefits are improved, and diversified fishery development can be achieved.

The invention relates to odorless lyophilized fish roe powder with high nutritional value that can be used in baby supplement foods (baby food, baby biscuits, baby noodles, baby soups, etc.) and as functional food from edible eggs of marine, freshwater and shellfish products and its preparation method.

The invention discloses an efficient low-loss shellfish cleaning system and method.The system comprises a cleaning tank, a cavitation nozzle assembly, a cleaning brush roll assembly and a spraying assembly are arranged in the cleaning tank, the cavitation nozzle assembly comprises a plurality of cavitation nozzles, and the cavitation nozzles are connected with the high-pressure water outlet end of a water pump through a high-pressure pipeline; the multiple cavitation nozzles are arranged at intervals in the length direction of the two sides of the inner wall of the cleaning tank, and the pressure and the incidence angle of each cavitation nozzle can be adjusted. The cleaning brush roller assembly comprises a plurality of cleaning brush rollers which are arranged in parallel in the length direction of the cleaning tank (1), and each cleaning brush roller is in driving connection with a set of independent transmission module; the spraying assembly is located above the cleaning brush roller assembly and used for injecting water into the cleaning tank and supplementing water to the cleaning tank. Through cooperative cleaning of cavitation water jet and mechanical scrubbing, the cleaning efficiency is remarkably improved, meanwhile, damage to shellfish shells is effectively avoided, the stress reaction of the shellfish shells is effectively reduced, and therefore the shellfish cleaning rate is larger than or equal to 95%, the damage rate is smaller than or equal to 3%, and the survival rate is larger than or equal to 99%.

To provide fish and shellfish feed, fish and shellfish feed additives, a method for producing fish and shellfish feed, and a method for raising fish and shellfish that can produce fish and shellfish in good health. [Solution] The following components (A) and (B): (A) Non-polymerized catechins 0.001-1.5% by mass (B) Oligosaccharides A fish and shellfish feed containing [this ingredient].

The invention provides a seed production method of a new purple golden crassostrea gigas strain with a high meat yield, and belongs to the technical field of aquaculture. The method comprises the following steps: firstly, preliminarily screening out a class group with two shells which are purple golden and purple mainly, 1-3 golden shells and high meat yield as a core group; the method comprises the following steps: selecting crassostrea gigas individuals with alternately purple and golden shells and high meat percentage as an optimal population by adopting a head cutting selection method, taking the optimal population as a breeding population, and carrying out filial generation breeding according to a conventional shellfish breeding method to obtain a new purple and golden shell strain F1 with high meat percentage; further purifying the purple golden shell character in a family breeding mode to form a second-generation breeding family F2; and then a plurality of generations of continuous purification are carried out to obtain the new crassostrea gigas strain with purple gold color, high meat yield and stable ovum shape. The survival rate, the growth speed and the fatness degree of the new purple golden crassostrea gigas strain with the high meat percentage are greatly improved.

The utility model relates to the technical field of shellfish culture, in particular to a polyculture system suitable for mudflat shellfishes, which comprises a culture pond and a shellfish culture cage arranged in the culture pond. A culture bottom bed is arranged at the bottom in the culture pond, a water temperature sensor and a water quality sensor are installed on the right wall in the culture pond, an adjusting rod is fixed to the upper end of the shellfish culture cage, a lifting plate is fixed to the upper end of the adjusting rod, a supporting plate is fixed to the right side of the culture pond, and an electric cylinder is connected between the supporting plate and the lifting plate; cooperative growth and resource sharing of shellfishes are facilitated, the culture height in the culture pond is flexibly adjusted according to the growth state of the shellfishes, the normal growth state of the shellfishes is guaranteed, the polyculture system has the advantages of being simple in structure, flexible in operation, high in culture benefit and the like, the growth speed of the shellfishes can be increased, and the culture cost is reduced. And adverse effects on the surrounding environment can be reduced.

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 utility model discloses a multipurpose shellfish breeding system, and relates to the technical field of aquaculture, a breeding support is provided with a plurality of containing layers which are sequentially arranged from bottom to top, each containing layer comprises at least one containing unit, a shellfish breeding device comprises a box body, a water level adjusting mechanism and a plurality of baffle plates, the multiple baffle plates are sequentially arranged in the box body from left to right in a staggered mode, so that a circuitous flow channel is formed in the box body. Each box body is used for being slidably installed in one containing unit in the horizontal direction, the water supply device is used for supplying water to an inlet of each roundabout flow channel, and the water recovery device is used for recovering water discharged from each water outlet and conveying the water to the water supply device. The multipurpose shellfish breeding system can make full use of the effective heat energy space in the constant-temperature chamber where the multipurpose shellfish breeding system is located, the problems that due to the fact that local nutrition supply is not in place, partial fries are poor in development, different in size and irregular in specification are solved, the functions are more diversified, and the utilization rate and economic benefits are improved.

The application discloses a device and method for measuring carbon content of shellfish, which belongs to the technical field of shellfish detection, and comprises a body, a discharging assembly for single discharging, a material rotating assembly and a driving assembly for driving the discharging assembly and the material rotating assembly. A detection cavity is formed in the upper surface of the body, and a machine cover is rotatably installed at the rear end of the detection cavity. Two separation rods are elastically and rotatably installed on the right side of the sliding rod. The material rotating assembly comprises a rotating frame, a material rotating plate and a to-position action assembly. The rotating frame is used for rotatably installing the material rotating plate on the lower surface of the detection cavity. The to-position action assembly can lower the sample above the material rotating plate onto the sample bin when the material rotating plate rotates above the sample bin. The driving assembly is used for driving the extrusion assembly and the rotating frame to rotate. The machine cover does not need to be opened during the whole process of replacing the sample. A plurality of shell samples can be placed on the plurality of discharging plates with different heights on the right side of the mounting plate, so that the frequency of replacing the sample by the staff can be reduced.

The invention discloses shellfish spermiation and ovulation monitoring and fertilized egg collecting and cleaning equipment, and relates to the technical field of shellfish culture. The shellfish spermiation and ovulation monitoring and fertilized egg collecting and cleaning equipment comprises a sparse fishing net, a dense fishing net, a hoisting mooring rope, a sliding assembly, a mechanical arm assembly, a cleaning module and a monitoring module. The dense-net scoop net is arranged below the sparse-net scoop net and is detachably connected with the sparse-net scoop net, and the dense-net scoop net and the sparse-net scoop net are different in mesh aperture (the aperture of the sparse-net scoop net is larger than that of the dense-net scoop net) so as to separate mucus, impurities and The monitoring module is a Hall sensor or a computer vision sensor; the Hall sensor needs to be adsorbed on one side of a shellfish shell to ensure that physiological activities of the shellfish are accurately sensed; a computer vision sensor needs to be matched with a camera (or a shooting module), equipment needs to be installed in an area parallel to shellfishes (most shellfishes are small in head, and rapid opening and closing actions of the shellfishes cannot be clearly observed when the shellfishes are overlooked or looked up), the visual angle of naked eyes can be simulated through parallel installation, and spermiation and ovulation behaviors can be accurately judged.

The application discloses a molecular marker, a primer group and application for identifying gender of Manila clam, belongs to the technical field of shellfish gender identification, the sequence of the molecular marker is shown as SEQ ID NO.1, and the sequences of the primer group for amplifying the molecular marker are shown as SEQ ID NO.5 and SEQ ID NO.6; and a gender identification method of Manila clam is also developed, and the method comprises the following steps: extracting DNA of Manila clam to be tested; performing PCR amplification on the extracted DNA of the Manila clam to be tested by using the primer group to obtain a PCR product; performing electrophoresis analysis on the PCR product; if a band with a size of 600bp is observed, then the gender of the Manila clam to be tested is male; and if no band with a size of 600bp is observed, then the gender of the Manila clam to be tested is female. The application can quickly, accurately and sensitively identify the gender of the Manila clam.

This invention discloses a method and device for harvesting tidal flat shellfish using a vibration-induced burial method, belonging to the field of tidal flat shellfish harvesting technology. The harvesting method includes the following steps: arranging several cylindrical vibrators side-by-side and installing them on one side of a driving device; adjusting the center distance, vibration frequency, amplitude, burial depth, and moving speed of the driving device between the cylindrical vibrators; applying vibration to the tidal flat substrate using the cylindrical vibrators to induce localized liquefaction; and using the driving device to move the cylindrical vibrators, causing the buried shellfish to detach from the substrate and float to the surface for harvesting. In this invention, the cylindrical vibrators apply vibration to the tidal flat substrate to induce localized liquefaction, causing the shellfish buried in the substrate to separate from the substrate and float to the surface. This eliminates the need for overall excavation of the tidal flat substrate, and the cylindrical vibrators can move smoothly in the liquefied substrate, thereby reducing operational resistance and equipment load during the harvesting process.

The invention discloses a rapid numerical prediction method for flow resistance of a shellfish trap, and relates to the field of flow resistance analysis of a nuclear power seawater cooling system. A filter screen explicit modeling or experimental testing mode is mostly adopted for flow resistance analysis of an existing shellfish catcher, and the problems that the calculation scale is large, the simulation period is long, the cost is high, or parameters depend on experience, and the engineering applicability is insufficient exist. On the basis of a porous medium equivalent modeling thought, on the premise that the porosity of the filter screen is kept consistent, a filter screen area is replaced with a porous medium area, only the viscous resistance effect in direct proportion to the flow velocity is introduced, and through pressure drop comparison of an explicit filter screen model and a porous medium model, iterative fitting is conducted on viscous resistance parameters, so that the filter screen porosity is calculated. And fitting parameters are applied to the integral model of the shellfish trap, so that rapid numerical calculation of the flow resistance characteristic is realized. The method is suitable for engineering design, operation analysis and flow resistance rapid evaluation of shellfish traps and similar high-porosity filtering structures in a seawater cooling system of a nuclear power station.

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 present invention relates to a fish / shellfish gripping device capable of safely gripping soft-bodied and irregularly-shaped fish / shellfish without damaging same. The present invention comprises: a body unit; a pair of grippers which are installed under the body unit to be able to move back and forth within a certain section and approach each other so as to grip fish / shellfish; a driving unit for applying force to drive the grippers to move back and forth; and separation prevention films made of a flexible material, mounted on the grippers to prevent the gripped fish / shellfish from being separated from the grippers.

The invention relates to the technical field of ocean engineering and ecological breeding, in particular to a floating raft frame capable of reducing waves and a using method thereof.The floating raft frame comprises a plurality of raft frame units of a rectangular frame structure, the bottom of each unit is provided with a buoy to provide buoyancy, the corners of each unit are provided with connecting floating balls, and the adjacent units are connected in series through connecting ropes to form a raft frame string; the bottom of each raft frame unit is connected with a net curtain through a fixing rope, and a wave dissipation assembly is attached to the surface of the net curtain and used for increasing friction resistance in water to attenuate wave energy. The wave dissipation assembly can be biological attachments such as seaweed and shellfish or simulation attachments such as simulation aquatic plants. During use, a plurality of raft frame units are connected in series and arranged in front of the wave propagation direction, and the wave transmission coefficient is controlled by adjusting the length of the raft frame strings, the number of the units and the density of the wave dissipation assemblies, so that the expected wave dissipation effect is achieved. The device is flexible in structure and convenient to install, has the functions of wave dissipation and ecological breeding, and is suitable for various scenes such as coast protection, breeding area wave protection and ecological restoration.

This invention provides an enclosure experimental device and method for measuring carbon sequestration in shellfish and algae, comprising: a stabilizing component, an enclosure component, a collection component, and a collection device; the stabilizing component is fixed on a marine aquaculture area, and multiple enclosure components are arranged inside the stabilizing component, each enclosure component containing a collection component for collecting shed material from aquaculture organisms; the collection device is mounted on the stabilizing component, with its lower end positioned above the collection component, and its upper end connected to a monitoring instrument via an air tube, the monitoring instrument being configured to measure the CO2 content of the air above the collection device. This invention can simulate a real marine aquaculture environment, enabling better collection of biological shed material and gas data, and improving the accuracy and scientific rigor of carbon sequestration measurement.

This utility model discloses a quantitative weighing and packaging device for shellfish, belonging to the field of packaging technology. It includes a packaging platform with a conveying mechanism at its top interior. The bottom surface of the conveying mechanism is connected to a water collection box. The conveying mechanism includes a fixed base with a conveying pipe connected to its bottom end. A strip-shaped opening is formed on the bottom surface of the conveying pipe, and a filter screen is installed inside the opening. The bottom surface of the filter screen is connected to the top surface of the water collection box. An auger is rotatably connected inside the conveying pipe. A motor is installed on one side of the outer wall of the conveying mechanism, and the output end of the motor is connected to one end of the auger. A feed inlet is formed on the top surface of the fixed base, and the bottom end of the feed inlet extends into the interior of the conveying pipe. This utility model, through the coordinated use of the conveying mechanism, motor, and water collection box, enables the packaging device to effectively remove moisture from shellfish products.

The utility model discloses a weighing and classifying robot, and relates to the technical field of weighing and classifying equipment. The problems that a traditional agricultural product classification mode is low in precision, poor in efficiency and high in cost are solved. The robot comprises a supporting base, a control box, a pitching arm and a weighing tray. The weighing tray is provided with a weight sensor for sensing the weight of the agricultural products and is driven by a double-shaft steering engine to achieve pitching motion, and the agricultural products are poured into a target classification box. The control box integrates a controller, a display screen, an AD converter and other modules, displays weight data in real time and controls equipment operation. The weighing tray is designed into a round tray body with ribs at the bottom, a concave middle part and arc edges on the periphery, so that the structural stability and the dumping smoothness are ensured. The device has the advantages of being high in precision, low in cost, convenient to operate, flexible and portable, suitable for automatic weighing and classification of agricultural products such as fruits and shellfish, especially suitable for small and medium-sized agricultural production scenes, and capable of remarkably improving classification efficiency and economic benefits.

The invention discloses a shellfish larva vitality measuring device, and relates to the field of marine bivalve shellfish larva behavioristics, a measuring device is arranged in a heat preservation device, swimming tracks and swimming speeds of shellfish larvae in different temperature environments are simulated through the heat preservation device, and the measuring device comprises a measuring chamber, a camera and a measuring scale, a measuring ruler is arranged on the inner side wall of the measuring chamber, the camera faces the measuring chamber and is arranged on the opposite side of the measuring ruler, the camera records the motion trail of the shellfish larvae in the measuring chamber in the background of the measuring ruler, and the clearness of the motion trail of the shellfish larvae in the video is increased through irradiation of the light source. The swimming speed of the shellfish larvae is calculated by combining a measuring scale in a video, so that the accuracy of shellfish larva vitality evaluation is improved; meanwhile, the invention further discloses a determination method applying the shellfish larva vitality determination device, and the vitality strength of the shellfish larvae under the actual condition is judged.