587 results about "Crayfish" patented technology

The invention discloses a cherax quadricarinatus oocyte targeted penetrating peptide VgSP and a living body delivery method thereof, and belongs to the technical field of biology. The invention provides the cherax quadricarinatus oocyte targeted penetrating peptide VgSP on one hand, and provides application of the cherax quadricarinatus oocyte targeted penetrating peptide VgSP on the other hand. The invention provides a polypeptide VgSP capable of being recognized by a cherax quadricarinatus oocyte surface receptor and mediated into an oocyte, and an injection and detection method of the polypeptide in sub-adult and adult female cherax quadricarinatus. The breakthrough lays a technical foundation for establishing a gene editing element delivery method with oocyte targeting, and is expected to be applied to the field of cherax quadricarinatus gene editing.

The invention relates to the technical field of crayfish quality rapid detection based on a neural network, in particular to a light-weight crayfish quality rapid detection method based on pattern recognition, which comprises the following steps: firstly, collecting crayfish photographing data, then screening qualified images based on manual work, marking each image, and finally, carrying out pattern recognition on the marked images; according to the method, the crayfish detection precision is further improved by using the improved YOLOv8 network, the network model is lightened, and the deployment is more convenient, so that the detection efficiency is improved, the labor cost of manual detection is reduced, the commercial processing and classification requirements of the crayfish are better met, the characteristic of simpleness of traditional crayfish classification is overcome, and the method is suitable for large-scale popularization and application. And the processing and grading requirements of the commercial crayfish are met.

The invention relates to an intelligent breeding method for crayfish offspring seeds in a winter fallow field, and belongs to the technical field of aquaculture. In order to solve the problems of dissolved oxygen management lag, high ammonia nitrogen accumulation risk and overlarge energy consumption caused by low utilization rate of winter fallow fields and dependence of water quality regulation and control on artificial experience in the prior art, the method comprises the following steps: deploying a water quality dynamic monitoring system based on the Internet of Things to collect data of water temperature, dissolved oxygen, pH value, ammonia nitrogen and nitrite in real time; the power and the water level of the oxygenation equipment are dynamically adjusted after analysis of the edge calculation module; graded regulation and control are achieved by combining a three-level response mechanism, when the dissolved oxygen content is lower than 6 mg / L or the pH value is abnormal, the power of the nanometer oxygenation device is started to 50%, and when the dissolved oxygen content continuously deteriorates, the irrigation system is linked to inject the water body with the temperature being adjusted in advance. According to the method, through intelligent multi-parameter cooperative control and ecological bait design, the resource utilization rate of the winter fallow field is increased, the survival rate of the young crayfish is increased to 85% or above, and the method is suitable for large-scale and green efficient breeding of the young crayfish in a rice-shrimp rotation mode.

The invention discloses a rice field crayfish body surface cleanliness improving method based on accurate aquatic plant management and protection and ecological induction, and relates to the technical field of crossing of aquaculture and ecological agriculture. The lifting method comprises the steps that submerged plants are planted in the rice field in February every year, and the submerged plants are trimmed regularly in the cultivation process so that the top ends of the submerged plants can be kept under the water surface; shrimp seeds are put into the rice field, and feed is fed regularly; in the subsequent breeding process, during regular feeding of feed, feeding of crushed pomacea canaliculata is carried out; and after the young crayfishes grow up and shell, catching the crayfishes to obtain the crayfishes with high body surface cleanliness. According to the method, the growth state of the aquatic plants is precisely controlled to construct a natural clean field domain, the functional bait is fed to increase nutrition, meanwhile, friction cleaning is carried out through the feeding behavior, precise fishing is carried out based on the molting period, and therefore the body surface cleanliness of the crayfishes bred in the rice field is improved.

The invention discloses a crayfish real-time counting method and system based on a dynamic visual sensor, and the method comprises the steps: sensor installation and adjustment, image collection, preprocessing, individual recognition, tracking and counting, and the image is preprocessed through adaptive threshold image segmentation and non-local mean denoising; identifying individuals by using a multi-feature fusion convolutional neural network and attitude compensation; kalman filtering is combined with a Hungary algorithm for tracking and coping with shielding, the system comprises a plurality of cooperation units, accurate counting is performed by applying partition and calibration models aiming at uneven distribution of crayfishes, and the system has the characteristics of parameter adaptive adjustment, ROI image acquisition optimization, fault detection and self-recovery, expandable counting model framework and the like. Counting accuracy and system stability are remarkably improved, and intelligent management of crayfish breeding is assisted.

The invention discloses an X80 pipeline steel defect quantitative characterization method based on a BP neural network optimized by an improved crayfish optimization algorithm. The method comprises the following steps: S1, acquiring experiment and simulation data; s2, extracting a time-frequency characteristic quantity, and constructing a time-domain characteristic vector T and a frequency-domain characteristic vector F; s3, performing feature dimension reduction based on Spearman correlation analysis; s4, inputting the feature vector I after dimension reduction into an improved crayfish optimization algorithm to optimize a BP neural network (CHCOA-BP) algorithm; and S5, outputting a defect length value and a defect depth value of the X80 pipeline steel pipeline volume defect. According to the CHCOA-BP algorithm constructed by the invention, three strategies of mirror reflection learning, a Tianwan algorithm extended search stage and a vertical crossover operation are fused, a mapping relation between a pulse eddy current response-based time-frequency feature fusion feature quantity and a volume defect size is obtained through model training, and quantitative characterization of pipeline defects is realized. The method has the characteristic of high prediction accuracy, effectively solves the problems that the traditional quantitative algorithm is low in later search efficiency and is easy to fall into local optimum, and effectively improves the quantitative detection and characterization capability of the volume defect size.

The invention provides a crayfish egg in-vitro hatching device and hatching method, and relates to the technical field of in-vitro hatching. The in-vitro hatching device for the crawfish eggs comprises a hatching barrel, wherein a plurality of overflow ports are formed in the side wall of the hatching barrel; an egg containing barrel is embedded in the hatching barrel, the top end of the egg containing barrel is rotationally connected with an upper cover plate, and an aeration pipe is connected to the upper cover plate in an inserted mode and extends to the inner bottom of the egg containing barrel; the outer wall of the hatching barrel is sleeved with an overflow barrel, the aeration pipe is rotationally communicated with a first power mechanism, the first power mechanism is coaxially and rotationally embedded in the egg containing barrel, air is continuously injected to drive water to roll on the inner side and the outer side of the egg containing barrel, and active eggs and inactive eggs are gradually separated; the screening holes are utilized to gradually separate inactive eggs from active eggs, and the eggs overflow into the overflow cylinder from the overflow port under the rolling action of the water body, so that good eggs and bad eggs are separated, and bacteria on the bad eggs are prevented from quickly infecting the good eggs.

The utility model discloses continuous operation crayfish cooking equipment, which relates to the field of cooking equipment and comprises a conveying frame, a steel mesh conveying belt is mounted on the conveying frame, and a steam hood is fixed at the top of the conveying frame. One side, close to the discharging end of the steel mesh conveying belt, of the conveying frame is provided with a striking strip below the steel mesh conveying belt through an elastic connecting piece; according to the continuous-operation crayfish cooking equipment, by arranging structures such as beating strips, springs and discs, in the continuous crayfish cooking process, the bottom face of the steel mesh conveying belt can be beaten, crayfishes clamped on the steel mesh conveying belt can be separated from the steel mesh conveying belt through inertia, and the crayfish cooking efficiency is improved. The crayfish is prevented from being continuously hung on the steel mesh conveying belt and even falling into the inner side of an exhaust structure below the steel mesh conveying belt, equipment damage is avoided, and the probability of repeated steaming and waste of the crayfish is reduced.

The invention discloses a factory-like breeding facility and method for crayfish fry, and belongs to the technical field of crayfish breeding. The facility comprises a breeding bed frame and a spray seedling cultivation pond, a plurality of breeding cylinders which operate independently are placed on the breeding bed frame, meshes are arranged in the breeding cylinders in the horizontal direction, the breeding cylinders are divided into upper and lower independent spaces including an incubation area and an egg collection area by the meshes, a plurality of groups of shrimp nests placed on the meshes are arranged in the incubation area, and a plurality of shrimp nest units are arranged in each group of shrimp nests; a seedling outlet pipe is arranged at the bottom of the breeding cylinder; the method comprises the following steps: selecting and putting egg-carrying parent shrimps, artificially incubating fry, managing and controlling the incubation process, and collecting the fry. Through precise regulation and control of multiple parameters such as water temperature, dissolved oxygen, pH and the like, parent health management and automatic spray fry collection system integration, optimization of a crayfish industrialized breeding technology is achieved, the survival rate of the parent, the synchronous incubation rate and the hatching rate of fertilized eggs are improved, the specification and quality of spray fry are guaranteed, and therefore the yield and quality of crayfish industrialized breeding are improved.

The pretreatment device comprises a lifting frame, electric push rods, supporting plates and a water storage bin, a water outlet is formed in one end of the lower portion of the water storage bin, the supporting plates are arranged on the two sides of the outer wall of the water storage bin respectively, the electric push rods are fixed to the upper ends of the supporting plates, and supporting plates are fixed to the upper ends of the electric push rods; a filter screen cylinder is arranged between the supporting plates, the upper ends of the two sides of the filter screen cylinder are fixedly connected with the supporting plates correspondingly, a protective cover is arranged on the side portions of the supporting plates, a motor is arranged in the protective cover, the lower end of the protective cover is connected with a mounting base through a bearing, and the output end of the motor is fixedly connected with the driving end of the mounting base. An insertion block is arranged at the lower part of the mounting seat. The lobster cleaning device is good in cleaning effect, the rotating rod is convenient to replace and maintain, and lobsters are easy to take out.

The invention provides a crayfish astaxanthin proliposome and a preparation method thereof, and belongs to the technical field of preparation of astaxanthin nano-liposomes. The preparation method of the astaxanthin proliposome provided by the invention comprises the following steps: (1) taking crayfish shells, fully freeze-drying the crayfish shells, grinding and sieving the crayfish shells to obtain crayfish shell powder; (2) taking the shrimp shell powder, adding absolute ethyl alcohol, extracting astaxanthin, and collecting an astaxanthin solution; (3) adding phospholipid into the astaxanthin solution to obtain an astaxanthin-phospholipid solution; and (4) adding sugar alcohol particles into the astaxanthin-phospholipid solution, and carrying out rotary evaporation to remove the absolute ethyl alcohol so as to obtain the granular astaxanthin precursor liposome. By adopting the method disclosed by the invention, the extraction of the crayfish shell astaxanthin and the linkage preparation of the astaxanthin precursor liposome can be realized, and the stable astaxanthin liposome can be quickly and efficiently prepared.

The utility model discloses a fry putting device for rice field lobster breeding, and relates to the field of crayfish rice field breeding, the fry putting device comprises a bearing plate main body, a lifting mechanism, a quantity control mechanism and a floating mechanism, the upper end of the bearing plate main body is provided with the lifting mechanism, one end of the lifting mechanism is provided with the quantity control mechanism, and one end of the bearing plate main body is provided with the floating mechanism. Through the arrangement of the bearing plate main body and the quantity control mechanism, the quantity limiting plate installed in the device can move on the limiting groove to open one side of the seedling containing frame, then the motor is started and controlled to drive the quantity control shaft hinge to rotate clockwise, and the quantity of shrimp seedlings sliding out of the lower end of the quantity limiting plate is controlled to be thrown into a rice field. Rubber pads are mounted on the surfaces and the edges of the quantity control shaft pages in a wrapping manner, so that damage caused by the prawn seeds in the throwing process is effectively prevented, and the protection effect and the quantity control throwing effect of the prawn seed throwing device are improved.

The utility model discloses a multi-station manual shrimp tail peeling workbench, which belongs to the technical field of deep processing of crayfish and comprises a support provided with an operating table. The discharging hopper is arranged and used in cooperation with the waste conveying structure, after shelling is completed, shrimp tail shells can be directly put onto the waste conveying structure through the discharging hopper, the shrimp tail shells are conveyed through a second conveying belt, a collecting box does not need to be manually and regularly cleaned, time is saved, the conveying frame is placed on a transverse rod at the lower end of the support, and the conveying frame is convenient to use. According to the waste conveying device, the waste conveying structure is matched with a connecting angle plate, a first connecting screw and a second connecting screw for use, the stability during use is guaranteed, and the conveying frame is detachably arranged, so that the waste conveying structure is conveniently detached for operation; the special-shaped blocking plate can effectively prevent shrimp tail shells from falling onto the first conveying belt, the purity of shrimp meat on the first conveying belt is guaranteed, follow-up manual cleaning is not needed, and the processing cost is saved.

The invention provides a crayfish phenotype detection method and system based on key point detection and image segmentation, and the method comprises the steps: obtaining a crayfish image, and carrying out the marking processing of the crayfish image, and forming a crayfish image data set; the crayfish image data set is preprocessed; constructing a crayfish form recognition model, and training the crayfish form recognition model based on the preprocessed crayfish image data set; and identifying the crayfish image through the trained crayfish form identification model, and outputting phenotype data of the crayfish. According to the method, the phenotype data of the crayfish can be quickly and accurately analyzed.

The utility model discloses a crayfish tail sorting device, which belongs to the technical field of crayfish tail sorting, and comprises a fixed support, a material box type weighing and sorting assembly is arranged above the fixed support, a plurality of containing material boxes are arranged on the material box type weighing and sorting assembly, and a mounting support is fixedly arranged on the fixed support. The mounting bracket is composed of a first U-shaped bracket, two connecting supporting plates and a second U-shaped bracket, the two connecting supporting plates are fixedly mounted at the inner end of the first U-shaped bracket, the second U-shaped bracket is fixedly mounted at the inner end of the connecting supporting plate on the upper side, and the mounting bracket, the driving assembly and the cleaning assembly are arranged, so that the containing box can be cleaned; according to the crayfish tail weighing device, the crayfish tails can be placed in the containing box, so that sundries falling into the containing box can be cleaned out, the interior of the containing box can be kept in a clean state, finally, the accuracy of crayfish tail weighing can be improved, and then the crayfish tails can be accurately sorted.

The invention discloses an aquaculture feeding control method and system based on path optimization. The method comprises the steps that a feeding path dot matrix is constructed based on a GPS or a Beidou navigation system, and the navigation track of an unmanned ship is planned. According to the method, a path planning algorithm, a fixed-point quantitative feeding strategy and multi-mode control logic are fused, efficient and automatic operation of the unmanned ship in a water surface aquaculture scene is achieved, a feeding path dot matrix is constructed based on GPS or Beidou navigation, and track deviation is dynamically corrected in combination with water body characteristics; an automatic feeding task is set according to the growth cycle and the partition breeding density; a remote APP scheduling and local system cooperative control mechanism is adopted, and operation continuity and safety are guaranteed; automatic homeward voyage and charging are supported after the task is completed; operation data can be uploaded to a cloud end in real time, and a breeding log and feeding traceability recording system is constructed. The method is suitable for various aquaculture environments of crayfishes, fishes, crabs and the like, has the remarkable advantages of being accurate in operation, intelligent in control, transparent in management and the like, and can be widely popularized.

The invention discloses a three-dimensional rice field breeding system and method for crayfishes. The breeding system comprises a breeding box, a feeding assembly and an anti-escape assembly. A barrier net plate and a climbing frame are arranged in the breeding box; the feeding assembly is arranged above the breeding box and is used for uniformly throwing breeding baits into the breeding box; the anti-escape assembly is arranged at the top end of the breeding box and used for preventing the crayfish from climbing out of the breeding box to cause economic loss; the breeding system is reasonable in structural design, a win-win situation of rice and lobsters can be achieved by breeding the lobsters in the rice field, harmful insects in the rice field can be killed by means of the omnivorous characteristic of the lobsters, use of pesticides is reduced, and growth of the rice is more environmentally friendly; meanwhile, excrement of the crayfish can provide fertilizer for growth of the rice, the planting cost of the rice is reduced, the breeding cost of the crayfish is also reduced, and the method is suitable for large-scale application and popularization.

The invention discloses a low-temperature dipping quick-freezing water-retaining fresh-keeping device for crayfish, and relates to the technical field of aquatic product fresh-keeping, the device comprises a quick-freezing fresh-keeping box, a low-temperature constant-temperature inverter and a draining assembly, quick-freezing holes are formed in the upper surface of the quick-freezing fresh-keeping box, the low-temperature constant-temperature inverter is arranged on the upper surface of the quick-freezing fresh-keeping box, and the draining assembly is arranged on the lower surface of the quick-freezing fresh-keeping box. A water outlet is formed in the side wall of the quick-freezing fresh-keeping box, a fixing plate is fixedly connected to the inner side wall of a quick-freezing hole of the quick-freezing fresh-keeping box, a motor is arranged on the inner side wall of the quick-freezing hole of the quick-freezing fresh-keeping box, fan blades are arranged on the upper surface of the fixing plate, and the motor is connected with the fan blades through a magnetic coupler. And an anti-sputtering coaming is arranged at the opening of the quick-freezing hole of the quick-freezing fresh-keeping box. Through the draining assembly and the vibration structure, the draining efficiency of the crayfishes is improved, the influence of the room temperature on the crayfishes which are just quickly frozen during draining is reduced, and the packaging waiting time of the crayfishes is shortened.

The invention is applied to the field of satellite constellation design, and particularly discloses a regional remote sensing satellite constellation optimization method based on an improved crayfish algorithm, which comprises the following steps: S1, selecting an orbit observed in a specific region, the orbit needing to meet the average revisit time and the task requirement; the number of satellites meets the task requirement, the orbit height meets the task requirement, and the remote sensing constellation design objective function is S2: mathematical optimization model, and the orbit control parameters of the satellite constellation can be determined according to the six elements of the satellite orbit. According to the regional remote sensing satellite constellation optimization method based on the improved crayfish algorithm, a population initialization improvement strategy and a refraction reverse learning strategy are set, the convergence speed and optimization precision of the algorithm are improved, initial initialization classification is performed on a population through the population initialization improvement strategy, solution individuals are uniformly distributed, and the optimization efficiency is improved. The subsequent initial optimization efficiency of the population is improved, a reverse learning strategy is refracted, the search range of the algorithm is expanded, and the accuracy of the method is improved.

The utility model discloses a feed mixing and feeding integrated device for shrimp pond culture, and relates to the technical field of crayfish culture. The device comprises a walking vehicle, and a conveying device is fixedly mounted at the top of the walking vehicle. When feed is required to be put into the crayfish culture pond, various feeds can be uniformly mixed under the matching action of the mixing barrel and the mixing assembly, and the conveying device can continuously run to convey the mixed feed to the inner wall of the discharging plate under the connection matching action of the mixing barrel and the conveying device; meanwhile, a rotating disc is driven by a driving assembly to drive an eccentric rod to rotate so as to drive a push rod and a discharging plate to do reciprocating motion, so that when the walking vehicle walks and feeds outside the culture pond, a discharging port of the discharging plate reciprocates to change the feeding position of the walking vehicle, the feed falls into different areas in the pond, and the feed mixing and feeding integrated effect is achieved; the labor intensity of workers is reduced, and the feed feeding is flexible and efficient.

The invention relates to the technical field of aquaculture, in particular to feeding equipment for breeding seedlings and a feeding method for crayfish breeding, the feeding equipment comprises a power unit, a feeding unit and a discharging unit, and the feeding unit is arranged above the power unit; the discharging units are installed on the two sides of the interior of the floating plate, feed is driven by the rotating transmission shaft and the rotating inner ring plate to rotate together and is rotationally thrown on the water surface by the feed distribution partition plate for feeding, the rotating speed of the transmission shaft is adjustable, and then the rotating speed of the transmission shaft can be adjusted according to the weather and the water temperature during feeding; the centrifugal force of feed entering the space between the inner ring plate and the outer ring plate is controlled when the feed rotates along with the transmission shaft, the force of the feed throwing from the feeding pipe to the water surface is changed, and therefore the throwing range of the feed is changed, workers can conveniently change the throwing range of the feed at any time according to the weather and the water temperature, and the work efficiency is improved. And the use comfort of workers and the practicability of the equipment are improved.

The invention discloses a freshwater crayfish fry factory-like breeding system and a temperature control and breeding method, and belongs to the technical field of aquaculture. Current freshwater crayfish fry breeding has the problems of difficult anti-season supply, poor water temperature regulation and control, insufficient water resource utilization and the like. According to the technical scheme, the breeding system is characterized in that the breeding system comprising a seed shrimp intensified breeding pond, a mating and egg-carrying pond, a hatching pond, a shrimp seed breeding pond, a tail water treatment pond and the like is constructed, a temperature adjusting device is arranged to control the water temperature, and a preheating water tank, a standby water tank and the like are arranged to achieve cyclic utilization of water and waste heat recovery. The invention further provides a temperature control method and a breeding method. The method is mainly used for realizing factory-like breeding of freshwater crayfish seeds, solving the problems of breeding and supply of out-of-season crayfish seeds, and improving the breeding efficiency and quality.

The invention belongs to the technical field of aquaculture, and particularly relates to a breeding method of Abambuus clarkii. According to the breeding method of the Asian crayfish, through the mode of combining greenhouse breeding and outer pond breeding, the problem that the Asian crayfish cannot pass the winter outdoors in the northern area is effectively solved, the survival rate of the Asian crayfish is greatly increased, meanwhile, breeding and seedling raising are conducted in winter, the gap of traditional outer pond breeding is effectively filled, and the breeding efficiency is improved. The breeding time is saved, the Asian crayfish can grow and develop for a longer time before being caught and sold, the meat yield is increased, and the taste of shrimp meat is improved.

The invention relates to the technical field of lobster breeding, and particularly discloses an automatic crayfish catching device suitable for a rice field, the automatic crayfish catching device comprises a base, a frame is fixedly mounted at the top of the base, a microcontroller is arranged at the upper end of one side of the frame, and a control module and a timing module are arranged in the microcontroller. A linkage mechanism of a fishing mechanism, a transverse moving mechanism and a storage mechanism is adopted, the fishing, transporting and storing integrated process is constructed, after a fishing box is fully loaded, a first motor drives a gear rack to move to the position above a storage frame, a third motor is matched with a synchronous wheel to achieve automatic overturning discharging, and a fourth motor drives a rotating disc to alternate the storage frame; the crayfishes do not need to be manually contacted in the whole process, ventilation is guaranteed and escape is prevented through the design of the top tray and the protective net, automatic discharging and storage switching are combined, the labor intensity of workers in the muddy environment is effectively reduced, and the human input and the operation cost are reduced.

The utility model relates to the technical field of lobster seed screening devices, and discloses a lobster seed screening device for breeding crayfishes in a rice field. The lobster seed screening device comprises a frame body, and the top end and the side face of the frame body are open; the connecting side plates are horizontally arranged in the frame body in a sliding mode, and the connecting side plates are arranged in a multi-layer mode and used for conducting multi-stage screening; the shifting mechanisms are arranged in the connecting side plates and are matched with the connecting side plates in layer number, so that the shifting mechanisms are used for accelerating screening of the shrimp seeds in a back-and-forth fluctuation manner; and the elastic mechanism is arranged at the frame body and is used for driving the connecting side plate to do reciprocating horizontal motion. The stirring mechanism is arranged in the connecting side plate, after shrimp seeds are placed in the device, the shrimp seeds in the device can be pushed back and forth under the action of the stirring mechanism, so that the shrimp seeds meeting the conditions can quickly enter the corresponding layering areas, the uniformization of the individual sizes of the layered shrimp seeds is effectively guaranteed, and the later cultivation is facilitated.

The utility model relates to a crayfish hole entering behavior measuring device which comprises a throwing pool, an artificial cave, a filling area, an observation pool and a recording system, the behavior of crayfish near the artificial cave is observed by changing the environment variable of the artificial cave, and the living habits and preferences of the crayfish are obtained. The device has the advantages that the structure is simple, variables can be adjusted according to actual requirements, meanwhile, a plurality of test caves can be formed in one device at the same time, enough test samples are provided, and therefore the reliability of test results is guaranteed.

The invention relates to the technical field of lobster product processing, and discloses a lobster processing and cooking device which comprises a cooking bin, an independent temperature control part, a matching assembly, a dispersed weighing assembly and a regulation and control assembly. A steam heating piece is arranged at the bottom of the cooking bin, and the independent temperature control piece is arranged above the steam heating piece so as to independently heat and convey the crayfishes of different weight specifications. The invention has the following advantages and effects: the crayfish can be divided into three different specifications by weight, three conveyor belts with different heating temperatures are arranged in the cooking bin, the crayfish with different weight specifications can be respectively fed into the conveyor belts with corresponding temperatures, and the aim of uniformly heating the crayfish with different sizes is fulfilled by controlling the conveying speed; and after the crayfishes are discharged, the crayfishes can be accurately conveyed to the corresponding conveying belts through the dispersing mechanism according to the weight, and the processing efficiency is guaranteed in an automatic mode.

The utility model discloses a crayfish freezing and packaging all-in-one machine, and relates to the technical field of crayfish processing, the crayfish freezing and packaging all-in-one machine comprises a packaging machine, a chain conveyor used for conveying crayfish tails is arranged on the side face of the packaging machine, a discharge port of the chain conveyor is located above a feed port of the packaging machine, and a feed port of the chain conveyor is located above a feed port of the packaging machine. The top of the chain conveyor is provided with a freezing assembly used for quick freezing of the crayfish tails. Through the arrangement of the freezing assembly, the crayfish tails are placed on the conveying chain of the chain conveyor to be conveyed, the freezing assembly is used for quickly freezing the crayfish tails in the conveying process, the frozen crayfish tails can be directly conveyed to the feeding opening of the packaging machine, the freezing procedure and the packaging procedure are combined, and the packaging efficiency is improved. The crayfish tails do not need to be taken out of freezing equipment and then transferred to a packaging area through a transfer trolley, the time for transferring the crayfish tails to the packaging area from the freezing area is saved, and the packaging efficiency of the crayfish is improved.

The utility model provides crayfish processing equipment, and relates to the technical field of food processing equipment. Comprising a water pool, a bottom plate is installed in the water pool, a ventilation opening is formed in the bottom plate, a baffle is slidably connected to the interior of the bottom plate, a plug plate is slidably connected to the interior of the baffle, an inclined plate is connected to the outer surface of the plug plate, a blocking plate is slidably connected to the interior of the water pool, and a scraping plate is slidably connected to the interior of the blocking plate. A transmission mechanism is arranged in the water pool, and a partition plate is connected into the water pool. Through the baffle and the scraping plate, the baffle can move, so that the upper surface of the baffle forms a plane, the scraping plate can move, and when the scraping plate moves, garbage on the bottom plate can be driven to move, so that impurities on the bottom plate are cleaned away, the impurities cannot stay on the bottom plate body, and cleaning of the impurities is completed; the problem that manual cleaning consumes labor is solved.

The application discloses a crayfish breeding system based on Internet of Things and relates to the crayfish breeding field. The application scheme performs correlation analysis on the environmental parameters, the breeding parameters, the ecological parameters and the dissolved oxygen content data in the oxygenation state and the non-oxygenation state of the test points in the breeding area, screens the dissolved oxygen content influencing factors, obtains the first neural network model and the second neural network model, obtains the first relationship between the dissolved oxygen content influencing parameters in the oxygenation state and the dissolved oxygen content and the second relationship between the dissolved oxygen content influencing factors in the non-oxygenation state and the dissolved oxygen content, sets the dissolved oxygen content standard value at the test points, formulates the oxygenation control strategy according to the obtained first relationship and second relationship, generates the control instruction for adjusting the dissolved oxygen content in the breeding area according to the obtained oxygenation control strategy, and the oxygenation instruction execution module adjusts the dissolved oxygen content in the breeding area in response to the control instruction generated by the oxygenation control strategy generation module.