589 results about "Fish farming" patented technology

The invention relates to the technical field of fish culture water treatment equipment, in particular to a schizopygopsis malabaricus culture water circulation device which comprises a water inlet pipe, a filter plate is arranged at a port of the water inlet pipe, the water inlet pipe is communicated with one end of a temperature control channel and one end of an aeration channel, and the other end of the temperature control channel and the other end of the aeration channel are communicated with a water outlet pipe; the inner wall of the temperature control channel is fixedly connected with two heat conducting plates, one heat conducting plate is fixedly connected with the inner wall of one side of the temperature control channel, the other heat conducting plate is fixedly connected with the inner wall of the other side of the temperature control channel, and the heat conducting plates are hollow. After hot water or ice water is fed into the first containing cavity, the hot water or the ice water penetrates through the heat conduction plates and enters the second containing cavity, the temperature of the heat conduction plates can be increased or decreased, the hot water or the ice water is located in water flow between the heat conduction plates, the water flow is surrounded by the hot water or the ice water, and the heat exchange efficiency is further improved.

The invention belongs to the technical field of mandarin fish culture, and discloses a mandarin fish recirculating aquaculture method and system based on sensing data analys.The mandarin fish recirculating aquaculture method comprises the steps that a culture pond is divided into n areas, and environment parameters of aquaculture water of all the areas are sequentially collected based on sensors; the environmental parameter consistency coefficient of each region is calculated in sequence according to the collected environmental parameters, whether the environmental parameters of the aquaculture water body of each region are abnormal or not is judged according to the environmental parameter consistency coefficient, if yes, the adjusting quantity of the abnormal environmental parameters is calculated, and the corresponding environmental parameters are adjusted according to the adjusting quantity. If the environmental parameters are not abnormal, determining the weight data of the mandarin fish, analyzing the growth state of the mandarin fish according to the weight data of the mandarin fish, then adjusting the feeding amount of the mandarin fish based on the growth state, and monitoring and analyzing the environmental parameters of the culture water body and the growth state of the mandarin fish in real time to realize precise culture and improve the culture efficiency.

The invention discloses an intelligent fish culture automatic control system and method based on the Internet of Things, and relates to the technical field of aquaculture control, the system comprises a data sensing unit used for collecting water quality parameters, environment parameters and fish behavior information of a culture environment in real time by using a multi-parameter water quality sensor and an environment sensor; the intelligent control unit is used for executing a multi-parameter association control algorithm and an early warning control strategy based on the breeding environment data and executing a control instruction to adjust breeding environment parameters; the network communication unit is used for establishing data communication connection between the local and the cloud; the remote application unit is used for remote monitoring and manual intervention; the intelligent control unit comprises a main control module which is used for establishing an ammonia nitrogen driven dissolved oxygen early warning control strategy according to the water quality parameters and generating a stage treatment instruction in combination with the environmental parameters. Multiple sensors and an automatic control algorithm are integrated, water quality parameters can be monitored in real time, and the fish culture environment can be automatically adjusted.

The invention relates to a method and device for automatically generating a fish culture strategy and a computer readable storage medium, and the method comprises the steps: recognizing a fish tank image, and obtaining fish information; according to a preset fish database and the variety of the fish information, a culture mode in the fish tank is determined, and the culture mode comprises a multi-variety polyculture mode and a single-variety culture mode; if the culture mode is a single-variety culture mode, determining a feeding scheme and environmental parameters of fish in a fish tank according to a preset fish database and fish information; and if the culture mode is a multi-variety polyculture mode, determining a feeding scheme and environmental parameters of the fishes in the fish tank according to the number of each type of fishes in the fish information and a preset fish database. According to the invention, the fish culture strategy can be generated conveniently and quickly.

The invention provides a method and a device for efficiently proliferating sepiella maindroni by combining grazing and raising, and belongs to the field of aquatic animal proliferation. An efficient breeding method for sepiella maindroni integrating grazing and breeding comprises the following steps that an appropriate sea area is selected, fertilized eggs are bred in a breeding facility laid in the downstream direction of a normal fish breeding net cage, namely an empty net cage containing an artificial floating reef, the periphery of the empty net cage is provided with an algae-mussel flow blocking ecological rope, and a cover net is arranged above the empty net cage; the newly hatched cuttlefish can stay in the proliferation facility empty net cage for a long time due to the characteristics of loving reefs and drilling the net and strong space awareness, and slowly escape into natural water after gradually adapting to the proliferation environment. According to the proliferation method, cuttlefishes gradually adapt to the natural environment of the sea area, meanwhile, cuttlefish larvae are well protected enough in the fragile incubation initial stage through protection measures such as net cages, and therefore the proliferation survival rate and the maintenance efficiency are improved, and efficient proliferation is achieved.

The utility model relates to an aquarium, in particular to an intelligent aquarium, which comprises a base, an intelligent terminal arranged inside the base, a transparent fish tank body arranged above the base, an opening at the top end of the fish tank body and an aquarium cover covering the open aquarium, an interlayer separated from the fishpond is arranged in the center area of the annular fishpond, and a display device is arranged in the interlayer. The display device is arranged in the middle of the fish tank, the fish pond is arranged around the display device, various fishes are simulated through the display device, the fishes are dynamically interwoven with fishes actually bred in the fish tank, fish schools swim around the display device, a unique landscape is formed, the variety and number of the fish schools are enriched visually, and diversified ornamental experience is achieved. Meanwhile, the intelligent terminal is arranged, various terminal devices can be controlled through a program to intelligently interfere and adjust the ecology of the fish tank, and the time and energy needed by traditional fish tank feeding are greatly reduced.

The utility model discloses an integrated gapless full water injection fish tank table which comprises a fish tank table body composed of a sealed tank body and supporting legs. The sealing cylinder body is communicated with a circulating pipeline with a circulating pump, the circulating pipeline is provided with an auxiliary water return groove with an upper opening structure, the liquid inlet end of the circulating pipeline vertically and upwards penetrates into the cylinder in a sealing mode from the bottom wall of the sealing cylinder body to form a suction section which slides up and down to adjust the height, and the suction section is provided with an opening and closing valve. And a corrugated pipe adjusting section positioned outside the sealing cylinder body is arranged on the circulating pipeline close to the suction section. The fish tank has the advantages that water circulation in the sealed tank body is easily realized, the oxygen content of water in the tank body is ensured to facilitate fish culture, and meanwhile, excrement of fishes during fish culture can be circularly removed; in addition, the suction section located at the liquid inlet end of the circulation pipeline can easily suck air and fish excrement in the sealed tank body, air-free full water injection of the sealed tank body is achieved, gaps are prevented from being reserved in the tank, and the ornamental value is greatly improved.

The invention relates to the field of fish and vegetable comprehensive cultivation, in particular to a photovoltaic fish and vegetable symbiotic system which comprises a photovoltaic system, a fishery breeding system and a circulating purification system, a fishpond is arranged below a photovoltaic panel, net cages are arranged in the fishpond for fish breeding, the circulating purification system is arranged around the fishpond, and water is pumped in the fishpond through a pump station; water quality purification and water quality maintenance are carried out on the pumped water through a precipitation filtration system, a microfilter, a hydroponic vegetable system and an ultraviolet disinfection system in sequence, so that the water body in the pond is ensured to fully and circularly flow, and the concentration of chemical substances such as ammonia nitrogen, nitrite nitrogen and the like which are harmful to fishes is reduced. Through the synergistic effect of all parts of the photovoltaic fish and vegetable symbiotic system, the problem that the water quality in the aquaculture environment under the photovoltaic panel is prone to deterioration is effectively solved, and the aquaculture benefits are improved.

The utility model discloses a splicing device of a net cage for fishery breeding, which belongs to the technical field of fishery breeding and comprises the net cage, the net cage comprises an annular rod mounted at the top of the net cage, two groups of connecting pieces are respectively mounted on the periphery of the net cage, and locking fasteners for fixing the net cage are mounted at two ends of each connecting piece. The connecting pieces and the locking pieces on the outer sides of the net cages can be spliced and installed with other net cages from four directions, the distance between the two net cages can be adjusted through the connecting pieces, the connecting pieces and the annular rods on the tops of the net cages can be conveniently locked and fixed through the locking pieces, and the problems that distance adjustment is inconvenient to conduct according to the needed breeding density, and the breeding cost is low are solved. And dismounting and mounting operations of the connecting structure and the net cage are tedious, the connecting structure is inconvenient to dismount and mount for maintenance or replacement, and the convenience and practicability of splicing and mounting of the net cage are affected.

The present invention provides a sunlight factory recirculating aquaculture system and method, belonging to the technical field of aquaculture. The sunlight factory recirculating aquaculture system includes a fish pond and a fiber rotary disk filtration system; the fiber rotary disk filtration system can remove large-particle-size particulate matters in the culture water and regularly harvest microalgae, and the treated water quality meets the fishery culture standard, and 97% of the culture water can be directly recycled. In the present invention, during the in-situ cultivation of microalgae and fish, the microalgae can convert nutrients such as CO2 exhaled by the fish and nitrogen and phosphorus in the culture water body into substances of the microalgae cells themselves, such as proteins, polysaccharides, vitamins, and lipids, and release oxygen, rapidly improving the culture water quality; the in-situ cultivation of microalgae and fish gives play to the advantage of the high photosynthetic efficiency of the microalgae, and the rapidly growing microalgae provides a suitable growth environment for the fish. The sunlight factory recirculating aquaculture system and method of the present invention can achieve high-density, high-stability, and low-energy-consumption recirculating aquaculture.

The utility model relates to the technical field of ecological devices, and discloses a symbiotic ecological system with balanced microorganism reproduction, filtration and purification, which comprises a culture bed, a purification box arranged on the right side of the culture bed, a first fixed box arranged on the right side of the purification box, and a second fixed box arranged on the right side of the first fixed box, a water treatment mechanism is arranged in the purification box, an ecological expansion mechanism is arranged in the first fixed box, an internal circulation mechanism is arranged in the second fixed box, and the water treatment mechanism comprises a drainage assembly and a treatment assembly. According to the symbiotic ecological system with the microorganism balanced reproduction, filtration and purification functions, in the using process, the ecological core principle of natural balanced reproduction of microorganisms is followed, water in the breeding area can be precipitated, filtered and purified through the arranged water treatment mechanism, the situation that water is smelly is avoided, water does not need to be changed during fish culture, and the water treatment efficiency is improved. The later operation and maintenance cost of the fish tank is reduced, and an ecological scene with continuous ornamental value is realized.

The present invention relates to a modular offshore fish farm (1), where the fish farm comprises one or more closed net cages (2) and a service unit S, each closed net cage being supported by a buoyant body (3) which is configured for floating in a body of water, wherein each closed net cage is configurated for moving vertically in the body of water relative to the buoyant body, each buoyant body further comprising a number of buoyant elements (4) and connecting means for connecting to an adjacent buoyant body, at least one buoyant element (4) of a buoyant body being arranged to be ballastable / deballastable and at least one buoyant element comprises one or more pipes (16, 17) for supply of fresh sea water and drainage of sea water from the closed net cage and a pumping and cleaning system connected to the one or more pipes.

The invention relates to the technical field of culture, and discloses an intelligent ecological fish culture system which comprises culture equipment, feeding equipment, water quality monitoring equipment, fish outlet equipment and a controller. The breeding equipment comprises a breeding pond, a water collecting pond, a water quality purifying, filtering and sterilizing device and an oxygen-enriched water production device. The feeding equipment comprises a feed tank, an air compressor and a feed conveying pipe; the water quality monitoring equipment comprises a dissolved oxygen sensor, an ammonia nitrogen sensor and the like; the fish outlet equipment comprises a fish suction pump and a fish outlet pipe; the controller is electrically connected with the breeding equipment, the feeding equipment, the water quality monitoring equipment and the fish discharging equipment, and the controller controls the oxygen-enriched water production device according to data detected by the dissolved oxygen sensor and the ammonia nitrogen sensor, so that the concentration of dissolved oxygen in a water body in the breeding pond is controlled within a set range. The aquaculture equipment, the feeding equipment and the fish discharging equipment are integrated, the water quality of the aquaculture pond can be monitored, the water quality can be purified and sterilized, and it is ensured that the water quality meets the requirement.

The invention relates to the technical field of fish culture feeding, in particular to a vision-based fish self-adaptive feeding method and device, and the method comprises the following steps: sequentially carrying out attraction feeding operation and formal feeding operation on fishes in a culture area; after the formal feeding operation, obtaining a feeding video of the fish; according to the ingestion video, obtaining an average ingestion behavior quantitative index of the fish; and obtaining a feeding judgment result according to the average feeding behavior quantitative index, and performing adaptive feeding on the fish according to the feeding judgment result. According to the method, the ingestion desire of the fish school can be represented on the basis of the quantized fish school ingestion behavior, and accurate feeding of the fishes in the breeding area is achieved.

The invention provides color-improving high-fat compound feed for fancy carps and a preparation method of the color-improving high-fat compound feed. The color-improving high-fat compound feed for the fancy carp is prepared from the following raw materials in percentage by weight: 10-20% of fish meal, 10-30% of soybean meal, 10-22% of rapeseed meal, 10-20% of peanut meal, 5-8% of fermented cottonseed meal, 1-5% of wheat flour, 5-13% of corn starch, 1-6% of cellulose, 4-5.5% of peanut oil, 4-5.5% of palm oil, 0.03% of capsorubin, 2-4% of green algae, 0.6-2% of shrimp bran powder, 0.02-0.1% of xanthophyll and the balance of water. The compound feed is prepared from the following components in percentage by weight: 1% of calcium dihydrogen phosphate, 1% of vitamin A reinforced refined fish compound premix, 0.05-0.1% of walnut green seedcase powder, 0.015-0.1% of rhus chinensis extract and 0.02-0.1% of icariin. On the basis of meeting the nutritional requirements of the fancy carp, the fancy carp compound feed disclosed by the invention improves the fat level of the feed, and plays the roles of saving protein, reducing the feed cost and improving the coloring effect of fat-soluble carotenoids on the fancy carp in the form of high-fat feed. In addition, fat deposition of the fancy carp is regulated and controlled by adding the rhus chinensis extract, and the problems that the abdominal fat rate of the fancy carp is increased, the body is abnormal and the ornamental value is reduced when the fancy carp is fed with high-fat feed are solved.

The utility model discloses a wharf boat cultivation cabin which comprises a boat body, and a cabin structure is arranged in the boat body. The cabin structure comprises an inner cabin partition plate, a water supply cabin, a breeding cabin, a first partition plate, a second partition plate, a first water pump and a first water conveying pipe. The number of the inner cabin partition plates is two, the two inner cabin partition plates are fixedly connected to the two sides of the interior of the ship body, and the breeding cabin is formed between the two inner cabin partition plates. By continuously conveying seawater into the culture cabins, a certain water level difference is formed between the culture cabins and the outside of the wharf boat, so that the seawater in the culture cabins is ensured to circulate, the seawater in the culture cabins flows in the fish culture spaces through the seawater communication channels, and the culture cabins of the wharf boat are ensured to have sufficient oxygen supply; the seawater in the wharf boat culture cabin is fully circulated, the survival rate and the growth quality of fish culture are improved, the cost of wharf boat culture is reduced, and the wharf boat culture has more sustainability and economic benefits.

The utility model relates to the technical field of fish-vegetable symbiosis, specifically a suspended fish-farming and vegetable-growing rack, comprising a suspended board, a planting frame is arranged on the top of the suspended board, reinforcement cavities are opened inside the four corners of the suspended board, a plurality of partitions are evenly arranged inside the reinforcement cavity, the spaces formed between the partitions are all removable and reinforced with wooden stakes, and anchor seats are arranged on the tops of the four corners of the suspended board, anchor ropes are retracted on the anchor seats, and the bottom ends of the anchor ropes are connected to iron anchor rods. The suspended fish-farming and vegetable-growing rack can improve the buoyancy and wind and wave resistance of the floating body to enhance environmental adaptability, and can ensure stable growth of crops even in windy and wavey areas, reducing losses caused by weather.

The utility model discloses an incubation fish tank with a filtering function, which comprises a tank body, a fish culture area and an incubation area are arranged in the tank body, a separating partition plate is arranged in the incubation area to divide the incubation area into a female fish area and a roe area which are distributed up and down, and a plurality of through holes for roes to pass through are arranged on the separating partition plate. The female fish area and the roe area are communicated with the fish culture area, isolation plates for blocking the female fish area, the fish culture area, the roe area and the fish culture area are detachably arranged in the tank body, after female fishes in the female fish area lay eggs, roes enter the roe area through the through holes to be hatched into juvenile fishes, the isolation plates are taken out after the juvenile fishes reach the length, and the female fishes and the juvenile fishes enter the fish culture area through the channels. Compared with the prior art, the fish hatching device has the advantages that after fish eggs are hatched into small fishes, the small fishes and adult fishes do not need to be separated specially, female fishes and juvenile fishes in the hatching area can enter the fish culture area only by pulling out the isolation plate after the small fishes grow up, and operation is easy and convenient.

The utility model discloses a fish culture net cage device and system, and relates to the technical field of fishery breeding, the device comprises a floating frame, the floating frame floats on the water surface, and the side face of the floating frame is surrounded by a flexible retaining wall; the box body part is hung at the bottom of the floating frame, and a water passing device communicated with an external water body is arranged on the side surface of the box body part; the pollution discharge module is arranged at the bottom end of the box body part and can discharge fish manure into an external solid-liquid separation device; the neck bush fishing box body is placed in the box body part, the inner space of the neck bush fishing box body forms a fish culture space, and the neck bush fishing box body can be lifted upwards from the interior of the box body part. According to a fish culture net cage system formed by a plurality of fish culture net cage devices, fish in the fish culture net cage system can be conveniently caught by lifting the neck bush catching box body upwards, and catching operation can be achieved without pumping out water in a pond.

The invention relates to the field of fish culture, and discloses a mandarin fish culture domestication management system and method based on factory circulating water, and the system comprises a circulating water treatment module which is used for achieving the circulating flow and purification treatment of a culture water body; comprising at least one culture pond and one or more water quality purification devices. The environment control module comprises a temperature control device and an oxygenation device and is used for adjusting the water temperature in the culture pond and increasing the dissolved oxygen content in the water body so as to maintain the environment condition suitable for growth of the mandarin fish; the automatic feeding module comprises an automatic feeding machine, corresponding feed is fed according to the growth stage, the feeding habit and the health condition of the mandarin fish, and smooth transition of the mandarin fish from natural feeding habits to artificial feed is achieved by gradually adjusting the feeding mode and the feed type; and the intelligent monitoring and management module is used for monitoring the breeding environment parameters and the growth state parameters of the mandarin fish in real time, analyzing monitoring data and then providing a corresponding breeding adjustment strategy according to an analysis result.

The invention relates to the technical field of tail water treatment, and discloses a circulating water filtering device for fish culture, comprising: a filtering and sterilizing assembly comprising a box body, a water inlet pipe fixedly connected to the box body, a pollution discharge mechanism arranged in the box body and used for collecting and discharging tail water precipitates, a filtering mechanism arranged at the top of the pollution discharge mechanism and used for filtering tail water, a stirring and scraping mechanism rotationally connected with the box body is arranged between the filtering mechanism and the sewage discharging mechanism. According to the invention, the filtering operation of the fish culture tail water is rapidly realized, the tail water is treated by adopting aeration, flocculant addition, ozone and ultraviolet sterilization before filtering, the centralized rapid treatment of the fish culture tail water is realized, the traditional tail water treatment process is simplified, and the tail water purification treatment efficiency is improved; meanwhile, the water quality and the oxygen content of the water are improved by adopting aeration and adsorption modes, so that the fish farming tail water is convenient to recycle; replacement without shutdown is achieved, and the continuous purification requirement of tail water is met.

The invention provides a fish culture state monitoring method based on multi-sensor data, and relates to the technical field of aquaculture. A radio frequency detection unit and a water quality sensor array which are synchronously driven by a unified clock source are used for collecting fish school state data and a culture environment data set corresponding to a culture net cage, so that synchronous acquisition of fish school dynamic and environment parameters is realized; performing feature-level and decision-level fusion processing on the fish school state data and the breeding environment data set through a multi-task learning model with a layered architecture, generating a fish school health state level and a growth trend prediction value, and improving the comprehensive evaluation accuracy; dynamic early warning analysis is carried out on the fish school health state grade and the growth trend prediction value, fish school health abnormity early warning data is generated, and potential health risks are captured in time; and finally, a visual monitoring interface is constructed by adopting the obtained data, so that the overall culture state can be intuitively mastered. Through multi-source collaborative perception and deep fusion analysis, the fish culture state monitoring effect is comprehensively optimized.

The utility model relates to the technical field of cultivation, in particular to a fish cultivation circulating water cultivation device which comprises a cultivation barrel, a brushing mechanism used for cleaning dirt on the inner wall of the cultivation barrel and a feeding mechanism used for automatically and quantitatively feeding, four supporting legs are fixed at the bottom of the cultivation barrel, and a water circulation mechanism is arranged at the bottom of the cultivation barrel. The brushing mechanism comprises a supporting plate located at the top of the breeding barrel, a rotating plate is arranged below the supporting plate, a first motor is fixedly arranged at the input end of the rotating plate and fixed to the supporting plate, and brushing plates are fixed to the two sides of the rotating plate and attached to the inner wall of the breeding barrel. A first motor drives a rotating plate to rotate so as to drive a brush plate to rotate, the L-shaped brush plate comprehensively brushes an adhesion layer formed by dirt on the inner wall of a breeding barrel, a second motor drives a material distributing rod to rotate so as to quantitatively scatter fish food in a grain storage bin into the breeding barrel, and the rotating plate rotates so as to further enlarge the fish food feeding range; the waste of fish food is avoided; the filtering burden is reduced.

The proposed invention corresponds to a fish treatment system for disinfection and deworming in situ, using a system of tubes for the transport of live fish throughout the system in fresh water, obtained directly from salt water or spring water. sea, where the fish are transported by the different sections of the disinfection system from the diseased fish farming unit, through the treatment pond and to the treated fish farming unit, where the removal of parasites in fresh water It is carried out by chemical, electrochemical, mechanical and energetic means, in the treatment pond and later, the treatment water is treated for the removal of medicine and finally reconstituted to the initial conditions (sea water) to be returned to the environment.

The application relates to the technical field of micro-grid control, in particular to a photovoltaic storage and charging micro-grid control method and system for a weak power grid. The method comprises the following steps: acquiring a photovoltaic panel information set, analyzing the coupling influence of light reflection and internal load impact on the photovoltaic panel based on the photovoltaic panel information set, and obtaining a photovoltaic panel dynamic disturbance information set; acquiring a fish farm information set, analyzing the multi-objective coordination and trade-off relationship between fish farming demand and power generation demand based on the fish farm information set and in combination with the photovoltaic panel dynamic disturbance information set, and obtaining an optimized scheduling information set; generating a multi-end coordinated control strategy based on the optimized scheduling information set, and outputting a photovoltaic storage and charging micro-grid control log. The method makes the micro-grid load disturbance analysis more accurate and builds a data foundation for collaborative regulation of breeding and power generation.

A feeder for fish farming includes a mounting frame, a storage box, a feeding structure and a feeding structure. A first feeding port is provided at the bottom of the storage box. A first feeding port is provided at the top of the feeding structure. A second feeding port and a second feeding port are provided at the upper and lower ends of the feeding structure, respectively. The feeding structure includes an outer cylinder and an inner rotating cylinder. A through slot is provided on the outer cylinder. A bracket is fixed on the left outer wall of the outer cylinder. A first motor is installed on the bracket. A rotating shaft is fixed on the output shaft of the first motor. A quantitative groove is provided on the outer wall of the inner rotating cylinder. A lifting plate and a positive and negative threaded rod are arranged in the quantitative groove. A rotating rod is fixed to the right end of the positive and negative threaded rod. A knob is fixed to the right end of the rotating rod. Nut seats are sleeved on the outside of the positive and negative threaded parts of the positive and negative threaded rods. Connecting rods are hinged between the lifting plate and the two nut seats. The utility model can adjust the amount of feed thrown each time according to the feeding needs of fish.

The invention discloses an anti-storm monitoring safety house for fishery breeding, which comprises a floating base, and a house body for arranging electric control equipment is fixed on the floating base; the anchoring modules are close to the house body and / or the four corners of the bottom of the floating base respectively, and each anchoring module comprises an anchoring heavy anchor and an anchoring rope; the buffering balance mechanism is connected with the two anchoring modules located on the side close to the embankment, the buffering balance mechanism comprises a supporting frame, a winding main shaft, a winding roller, a transmission gear fixed to the winding main shaft and a pressure relief pump in meshing transmission with the transmission gear, one end of the anchor rope is partially wound around the winding roller, and the other end of the anchor rope is partially wound around the winding roller. And the pressure relief pump is connected to a hydraulic buffer system. The transmission gear rotates and is meshed with the pressure relief pump to rotate and work, power transmitted by the transmission gear is converted into hydraulic power, energy generated by stormy waves is released, the buffering effect is achieved, and the stormy wave resistance and safety of the safety house can be further improved.

The invention is a cage assembly (100) submerged with elastic ropes, used in fish farming in seas (A) and lakes, consisting of the carrier inner cage pipe (101) and the carrier outer cage pipe (102) positioned at the top, remaining on the surface when the fishing net is immersed in water, clamped to each other by means of the carrier pipe connection bracket (103); weights (105) connected to the buoyancy pipes by weight ropes (104) to keep the cage assembly (100) submerged by elastic ropes at a constant depth under water; the fish net (109) which provides the preservation of the fish contained therein; the cover net (111) which covers the upper part of this fish net (109), characterized in that when the cage assembly (100) is immersed in water with elastic ropes by stretching / oscillating, the fishing net (109) is minimally affected by sea (A) movements and the excessive loads it causes, and is protected from lightning, theft, predator attacks and excessive algae. In an embodiment of the cage assembly (100) submerged with elastic ropes, which enabled fish such as Salmon and Trout to swallow air from the surface, there is a second air access ring (119) positioned in the middle of the cage on the surface. The elastic elements (117) can also be applied to the carrier and buoy ropes of other marine life production systems such as mussels and seaweed, and can protect the systems from the oscillating and shaking effects of waves.

The utility model relates to the technical field of fish farming, in particular to a fish farming anti-bird net convenient to fold and unfold, which comprises a plurality of groups of supports and a bottom groove, the top ends of the supports are provided with rails, the top ends of the rails are provided with notches, the bottom ends of the inner walls of the rails are fixedly connected with springs, and the bottom groove is provided with a plurality of grooves. The end face of the spring is fixedly connected with a movable plate, multiple sets of rolling balls are arranged at the top end of the movable plate, the rolling balls are embedded in the track, ropes are fixed to the outer portions of the rolling balls close to the edge of the support, and vertical rods are welded to the top ends of the rolling balls. According to the fish culture anti-bird net convenient to fold and unfold, by arranging the woven net surface, when the woven net surface is placed, the net can be folded and unfolded only by pulling the woven net surface by an operator, the woven net surface does not need to be detached from the bracket little by little, the operation difficulty and consumed operation time are reduced, and the fish culture anti-bird net convenient to fold and unfold is suitable for large-area fish pond culture; the problem that a large amount of time and manpower are needed to stretch or tighten the net face is solved.

The invention discloses a method for combining straw returning to field, pond fish culture and rice, fish and soft-shelled turtle / shrimp comprehensive planting and breeding, and belongs to the technical field of rice, soft-shelled turtle, fish and shrimp comprehensive planting and breeding. After rice in the rice field is harvested, straw is smashed and returned to the field, a hidden survival place is provided for crayfish seedlings, rotten straw and derived zooplankter provide bait for crayfish and fish, and the straw decomposition rate is increased by eating; after water in the rice field module becomes serious along with straw rotting, the water is discharged into the culture pond through tail water treatment engineering treatment, and the water fertility of the pond is increased; meanwhile, after eutrophication of the water body in the culture pond, the water body is discharged into the rice field after being treated by a tail water treatment project and flows into the culture pond again after being further purified by the rice field. According to the constructed mode, the straw is converted into the organic fertilizer through the crayfish and the fish, and the paddy field is adopted for purifying pond culture tail water. No breeding wastewater is discharged in the mode. The investment of aquatic product baits and rice field fertilizers is reduced, and the income and quality of rice and fishes are increased.