59results about How to "Expand the breeding space" patented technology

The invention provides a sea cucumber bottom-sowing culture facility suitable for a soft seabed. The facility comprises frameworks, built-in separation nets, built-in dense nets, cuffs, a traction rope, an anchoring object and a marking floater. The frameworks are arranged in parallel and are covered with outer-wrapping netlike clothing, the frameworks are mutually connected to be of a telescopic mesh cage shape, the built-in separation nets for separating each framework into a plurality of culture units are arranged on each framework, the built-in dense net for catching and gathering sea cucumber baits is arranged in each culture unit, cuffs for taking and placing a sea cucumber is arranged on the outer-wrapping netlike clothing of each culture unit, the frameworks on two ends are respectively and sequentially connected with the traction rope and the anchoring object to be fixedly arranged in a seabed, and the marking floater is connected onto one end of the culture facility. Compared with the traditional culture facility, the culture facility provided by the invention is light and convenient, can be compressed, and is convenient for transportation, throwing and management, and the affect from a natural disaster of typhoon and the like is avoided; and by the adoption of the culture facility, the problems of easiness in entrapping by silt, poor culture effect and the like of the traditional culture facility can be solved, particle-like suspended matters in seabed water can be effectively held back as sea cucumber baits, and the survival ratio and the growth rate of the sea cucumber are improved.

A main frame of a valveless lifting deep water net cage comprises a float pipe and a connecting frame, wherein the float pipe comprises an inner round float pipe and an outer round float pipe which are arranged at concentricity and are fixed on the same level surface through the connecting frame; and both the inner round float pipe and the outer round float pipe are provided with water inlet / outlet ports and air inlets. When the air inlets and the water inlet / outlet ports are opened at the same time, and water is fed in the float pipe from the water inlet / outlet ports, the net cage can be controlled to submerge to a predetermined depth; when compressed air is fed in from the air inlets, the water in the float pipe is discharged from the water inlet / outlet ports so as to ensure that the net cage rises to water surface. The main frame of the valveless lifting deep water net cage can be used to carry out safety aquatic breeding in an open sea area at a depth of between 20 and 60 meters; before a typhoon or a red tide, the net cage can be settled to a predetermined depth within 15 to 20 minutes when submerged at a depth of 8 m, thereby avoiding damages on the net cage caused by typhoon and ocean wave, or damages on the fishes bred in the net cage caused by the red tide.

The invention discloses a lifting type anti-wave offshore cage, which comprises an annular main frame floating at sea level, a cod end fixedly arranged on the main frame, and an anchoring device for positioning the main frame, wherein the main frame consists of a plurality of connecting racks and annular main floating pipes penetrating the connecting racks. The lifting type anti-wave offshore cage also comprises a lifting device for lifting the cod end, wherein the cod end is a closed net body, and the lifting device is arranged on the main frame and positioned above the cod end, and is in transmission connection with the cod end to pull the cod end upwards, so that the cod end is lifted onto the sea level to be in a normal culture state, or not in a normal culture state, and thus the cod end sinks to a preset depth below the sea level to be in an anti-wave state. The cod end is lifted onto the sea level to realize the normal breeding, and the cod end is lifted below the sea level to avoid typhoon when the typhoon comes, accordingly, the marine cage culture is expanded to open seas, the new culture space is developed, and the safety culture production is carried out at open seas at a water depth of 40 meters or more.

The invention discloses a method for culturing clanis bilineata walker by utilizing kudzu vine. The method comprises the following steps of: (1) kudzu vine planting and field management; (2) clanis bilineata walker stocking, catching and marketing; and (3) kudzu root harvesting and seedling reservation through pruning. The method disclosed by the invention has the advantages of three-dimensional culture, great leaf quantity, less diseases, non-lodging, long culture cycle, high acre yield of clanis bilineata walker and no overlapped stubble of perennial; and by utilizing the method disclosed by the invention, kudzu roots can be harvested simultaneously and processed into kudzu powder with a health-care function, thus the method is beneficial to the further improvement of clanis bilineata walker culture benefits.

The invention provides an improved main frame of an offshore net cage. The main frame consists of a floating pipe, and is characterized in that the floating pipe is a hollow elliptical pipe with a horizontal long axis and is prepared by processing a round pipe with relative draught of 10%-20%, and the relative draught refers to the percentage of the ratio of the amount of draught to the blank diameter before flattening. The improved main frame for the offshore net cage is reasonable in structure, high in operability, saved in cost, steady in connection, and improved in stability, anti-typhoon capability and risk prevention capability; and the main frame is mainly used for improving the strength and improving the wind and wave prevention level on the premise of not changing the overall size of an existing main frame, promoting offshore net cage culture to deep open sea areas, and realizing safe culture production in open sea areas with water depth of 20-60m.

The invention mainly discloses a constant-temperature silkworm frame applied to bombyx mori cocooning. The constant-temperature silkworm frame comprises a bottom frame, a silkworm breeding frame, a feeding frame, a ventilating frame and a top board which are arranged from bottom to top. A first heating device is disposed in the silkworm breeding frame. The first heating device comprises a thermal insulation board, a heating plate, a warming plate and a temperature-sensitive plate. Side portions of the feeding frame are provided with feeding holes, and a feeding plate is disposed in each feeding hole. Front and back sides of the ventilating frame are uniformly provided with air vents. An upper portion of the right side of the ventilating frame is provided with a slot. The top board is inserted into the slot to cover the ventilating frame. The top board is provided with a second heating device and a power supply device. The second heating device comprises a heating lamp, a temperature-sensitive rod, a display screen and an adjusting button. The heating lamp is installed at a lower surface of the top board. The temperature-sensitive rod is movably connected to the top board via a movable plate. Temperature of a silkworm breeding environment is strictly controlled, a good survival environment is provided for silkworms, survival rates of the silkworms are improved, feeding is convenient, permeability is good, cultivation space is large, breeding efficiency is high, and the constant-temperature silkworm frame is suitable for large-scale silkworm breeding.

The invention discloses a sea cucumber culturing facility and a culturing method applicable to a marine net cage culture area. The culturing facility comprises a traction rope, a culturing cage, an internal lining dense net and a heavy object, wherein the culturing cage is hung at the bottom of a net cage through the traction rope; the bottom of the body of the culturing cage is provided with the internal lining dense net; and the heavy object is hung at the bottom of the culturing cage. Through the facility and the method, the sea cucumber can be cultured by means of the space of the marine net cage culture area, so that sediments at the net cage area are effectively treated and extra economic benefit is gained, and a good environment condition is provided for the growth of the sea cucumber while the sediments of the net cage area are effectively intercepted and treated.

The invention provides a winter pond net cage intermediate culture method for stichopus japonicus larvae. The method comprises the steps of selecting a culture pond with a water depth of 1.8m-2m; erecting net cages, with the top surfaces of the net cages being 5cm-10cm lower than a water surface; making W-type adhering substances with 6 mesh-10 mesh polyethylene nets and distributing the adhering substances in the net cages uniformly; performing daily management of adjusting the water quality of pond water, and putting larvae in the pond at the end of October or at the beginning of November, with the stocking density being 0.5Kg per net cage to 0.7Kg per net cage; increasing light illumination in an icebound period in winter and monitoring under-ice water quality indexes; after ice melts, starting an oxygenation apparatus to promote vertical flow of water and improve the water quality environment; when larvae in the cages reach 250 / kg-300 / kg at the end of April, selling the larvae as commercial larvae for culture. The method can increase the culture space after the water is icebound, create the optimal environment for overwintering of sea cucumbers, greatly increase the effective usage area of adhering substances, reduce the production cost of larvae, basically guarantee all-weather production all year round, increase the culture survival rate and body wall production rate, and guarantee the quality of adult sea cucumbers.

The invention discloses a cultivation shelf convenient to stack. The shelf comprises: a plate body, wherein the plate body is provided with a net plate. By arranging the net plate on the plate body and forming feeding holes in the net plate, silkworms can conveniently climb to the shelf from the lower portion of the shelf through the feeding holes, so that the self-transfer of the silkworms is achieved, the silkworm feeding environment is replaced in the process, the silkworms can be conveniently transferred into a feeding frame of the next age, the problem of silkworm transfer is solved, and a basis for realizing industrial silkworm breeding is provided.

The invention discloses a combined lifting type raft culture device. The combined lifting type raft culture device comprises ropes which are connected in a gridding shape, wherein the manropes of working portions of the roes are symmetrically distributed. Two groups of cultural lifting ropes which are symmetrically distributed between the manropes are connected with air-filled floating pipes, and the air-filled floating pipes are parallel to the manropes. Air-filled buoys are connected through flexible pipes, and end portions of the manropes are connected with floating balls. Due to the fact that the air-filled buoys are arranged at two ends of each manrope and are combined with pulling of densely distributed cultural lifting ropes with the same length , the combined lifting type raft culture device achieves that the air-filled floating hoses are parallel to the manropes, conducts air filling or water injecting operations on the air-filled floating pipes through the air-filled floating buoys, enables the air-filled floating pipes to independently ascend and descend so as to achieve illumination control of the cultural objects in a natural sea area and possess a certain anti-wave effect. The combined and lifting raft culture device has the advantages of being firm in structure and stable in space state, possesses the certain anti-wave effect, can achieve manual illumination adjustment in the natural sea area and is simple in craft and low in cost.

The invention belongs to the field of seawater cultivation engineering and particularly discloses a big fixed net cage for cultivating seawater fishes and a using method thereof. The big fixed net cage for cultivating the seawater fishes and the using method thereof solve the problems of poor anti-typhoon capability, more diseases, high making cost and the like of the current net cages. Piles of the net cage are distributed along the periphery; a net encloses the piles to form a cage structure; the upside and the lower side of the net are coiled by an upper net cable and a lower net cable; the tops of the piles are connected with diagonal tension cables II; the upper parts of the piles are connected with diagonal tension cables I; and the tops of the corresponding piles are connected by transverse cables. By piling piles under the sea and providing the transverse cables, the diagonal tension cables, the upper and lower cables of the nets to fix the big nets, the cultivating capacity of the net cage is improved, the cultivating cost is reduced, the quality of the cultivated fishes is improved and the cultivating environment is protected. The big fixed net cage for cultivating the seawater fishes and the using method thereof make a full use of and maintain a good ecological environment for cultivation, produce the highly qualified seawater fishes, prevent the cultivating area from being polluted and prevent the occurrence of diseases in the aquaculture, improve the living environment for the cultivated fishes and reduce losses due to natural disasters.

The invention relates to a device and a method for double-harvest hanging cultivation of oysters by double-layer raft frames in an open sea area. The device comprises an upper raft frame, a lower raft frame and a plurality of first ropes. The upper raft frame comprises a plurality of first float balls and a plurality of first float lines, the first float lines are connected to form a frame structure, and the first float balls are connected to the first float lines. The lower raft frame comprises a plurality of second float lines connected to form a frame structure and is connected with the upper raft frame through the first ropes. The device provided with the upper raft frame and the lower raft frame is adopted in typhoon seasons from June to November, and the lower raft frame sinking into the sea has high capability of resisting stormy waves, so that probability that baby oysters are separated from adherance is decreased and loss of cultivators is reduced.

The invention provides an offshore floating type fan and semi-submersible type breeding platform coupling structure. The offshore floating type fan and semi-submersible type breeding platform couplingstructure comprises a main body frame, a fan, a control chamber, a netting and an anchorage system. The main body frame comprises a central stand column, a plurality of external stand columns which are uniformly arranged around the central stand column, an upper horizontal support, a lower horizontal support, an upper chord pipe, a middle chord pipe, a lower chord pipe and an inclined support; the center stand column and the external stand columns are the same in structure and each comprise an upper float bowl arranged on the upper portion, a middle stand column fixedly connected with the bottom of the upper float bowl and a lower float bowl fixedly connected with the bottom of the middle stand column. The draught fan is installed on the basis of the semi-submersible platform, on one hand, development of aquaculture from offshore to offshore is promoted, and on the other hand, limitation of the geographical position on aquaculture and wind power generation is broken through.

The invention relates to the field of crawfish breeding, in particular to a breeding method of crawfishes in a pond. The method comprises the specific following steps of (1) pond preparation, (2) removal, (3) support fixing, (4) arrangement of shelters, (5) soil fattening, (6) aquatic plant selection and planting, (7) sterilization, (8) putting, (9) feeding, (10) nutrient addition, (11) oxygen aeration and water change, (12) increase of the exuviation frequency and (13) fishing. An arranged support and horizontal plates on the support are used for layered shielding of the crawfishes, the breeding space of the bottom of the breeding pond is enlarged, and the breeding space of the breeding pond is enlarged; breeding soil is specially manufactured, is rich in nutrient, and provides convenience for the crawfishes to burrow; the growth rate of the crawfishes is increased by using current stimulation, and the income of breeding farmers is increased.

The invention relates to an abalone seedling growing cultivation pond with a water level adjusting device; the abalone seedling growing cultivation pond comprises a pond body; the pond bottom of the pond body is provided with a horizontal support; abalone cultivation boxes are stacked above the horizontal support; an oxygenation device is arranged below the horizontal support, and comprises a plurality of transverse pipes uniformly arranged in parallel at intervals and air inlet pipes arranged outside the pond body and connected with the transverse pipes; the side wall of the transverse pipe is uniformly provided with a plurality of air vent; the side wall of the pond body is provided with a water inlet pipe and a water outlet pipe; a water inlet end of the water outlet pipe is connected with the water level adjusting device being an L-shape bend pipe; the L-shape bend pipe can make circumferential rotation around the water outlet pipe.

The invention provides a semi-submersible offshore fishing ground platform of a lightweight frame structure. The semi-submersible offshore fishing ground platform comprises a main body frame, a control room arranged at the top of the main body frame and netting installed on the side wall and the bottom of the main body frame. The main body frame comprises a central stand column, a plurality of external stand columns which are uniformly arranged around the central stand column, an upper horizontal support, a lower horizontal support, an upper chord pipe, a middle chord pipe, a lower chord pipeand an inclined support; the center stand column and the exteranl stand columns are the same in structure and each comprise an upper float bowl arranged on the upper portion, a middle stand column fixedly connected with the bottom of the upper float bowl and a lower float bowl fixedly connected with the bottom of the middle stand column. The fishery platform is light and stable in structure, the inclination angle can be controlled within 20 degrees in a normal operation state, the motion amplitude does not exceed 1 / 5 of the diameter of the breeding platform, and safety and stability of the breeding platform can be guaranteed.

The invention discloses a lantern-shaped deep sea aquaculture net cage, comprising net cage bones, a net cage coat and a sinking box; a lantern-shaped net cage framework is formed by enabling the plurality of net cage bones to be connected with an upper ring and a lower ring; the net cage coat covers the net cage framework, so that a lantern-shaped net cage is formed; a tension sensor is arranged at the lower end of the lantern-shaped net cage, and is connected with a controller; the controller is connected with a servo motor. The lantern-shaped deep sea aquaculture net cage is large in aquaculture space and high in weatherliness; furthermore, the depth of the net cage can be adjusted according to storm intensity, so that a function of enabling the net cage to automatically avoid storm is realized.

The invention discloses a household balcony flower planting shelf. The household balcony flower planting shelf comprises a balcony wall, a fixed plate is mounted on the outer side of the balcony wall,one side of the outer wall of the fixed plate is hinged to one ends of a first connection rod and a second connection rod, the other ends of the first connection rod and the second connection rod arehinged to a movable plate, a plurality of placing rings are mounted on the fixed plate and the movable plate respectively, locking devices are mounted on the placing rings, the inner side of the movable plate is connected with one end of a pull rope, the other end of the pull rope is connected with the balcony wall, a fixed column is mounted on the balcony wall, flower pots are placed into the placing rings, the locking devices lock the flower pots tightly, the movable plate is pushed to make the first connection rod and the second connection rod to rotate, the movable plate moves outwards gradually, the pull rope is tensioned, the movable plate is fixed to the outer part of the balcony wall, accordingly multi-layered cultivation is realized, the cultivation space is widened, the pull rope is pulled to make the movable plate to move towards the balcony wall, the movable plate moves into the balcony wall, the fixed column is wound with the pull rope, and flowers on the movable plate can be watered conveniently.

The invention provides a shipborne circulating aquaculture system. The shipborne circulating aquaculture system comprises a plurality of aquaculture tanks and a plurality of circulating water treatment systems cooperating with the aquaculture tanks, wherein the four end corners of each aquaculture tank are provided with water inlet ports respectively, the water inlet ports are connected with waterinlet pipes, and the water inlet pipes are connected with a water inlet main pipe; the center of the bottom of each aquaculture tank is provided with a water outlet port, and the water outlet port isconnected with a water outlet pipe provided with two water outlet passages; each circulating water treatment system comprises a biological filter, a CO2 remover, an ultraviolet ray sterilizer, oxygenation cones, circulating pumps and a water collecting tank; each water collecting tank allows the corresponding circulating pumps to pump water, the number of the corresponding circulating pumps is two, an outlet of one of the circulating pumps is connected with inlets of the corresponding oxygenation cones, and outlets of the corresponding oxygenation cones are connected to the water inlet main pipe; an outlet of the other circulating pump is connected to the water inlet main pipe. The shipborne circulating aquaculture system has the advantages that the structure is compact, the system is suitable for a shipborne environment, the volume use ratio is high, and the circulating water treatment systems are adopted for keeping the water environments in the aquaculture tanks in a good range allthe time.

The invention belongs to the technical field of raising gymnocypris przewalskii commercial fish, and in particular relates to a process for raising gymnocypris przewalskii in a net cage. The technical scheme comprises three steps, namely pond fingerling culture, net cage fingerling culture and net cage commercial fish raising, wherein during the pond fingerling culture, 1+ year gymnocypris przewalskii fingerling culture is completed; during the net cage fingerling culture, 2+ year gymnocypris przewalskii fingerling culture is completed; and during the net cage commercial fish raising, commercial fish raising is completed. The gymnocypris przewalskii fresh water artificial raising process is succeeded in net cage raising, can be used for enlarging the surviving and raising space for the gymnocypris przewalskii, provides popular gymnocypris przewalskii commodity which has rich nutrition and dedicate flesh for people, meets the diet and market requirement of people, and has huge marketing economical benefit and environment ecological benefit.

A main frame of a valveless lifting deep water net cage comprises a float pipe and a connecting frame, wherein the float pipe comprises an inner round float pipe and an outer round float pipe which are arranged at concentricity and are fixed on the same level surface through the connecting frame; and both the inner round float pipe and the outer round float pipe are provided with water inlet / outlet ports and air inlets. When the air inlets and the water inlet / outlet ports are opened at the same time, and water is fed in the float pipe from the water inlet / outlet ports, the net cage can be controlled to submerge to a predetermined depth; when compressed air is fed in from the air inlets, the water in the float pipe is discharged from the water inlet / outlet ports so as to ensure that the net cage rises to water surface. The main frame of the valveless lifting deep water net cage can be used to carry out safety aquatic breeding in an open sea area at a depth of between 20 and 60 meters; before a typhoon or a red tide, the net cage can be settled to a predetermined depth within 15 to 20 minutes when submerged at a depth of 8 m, thereby avoiding damages on the net cage caused by typhoon and ocean wave, or damages on the fishes bred in the net cage caused by the red tide.

The invention discloses an energy-saving environment-friendly household aquarium, comprising a base; a first aquarium body is arranged above the base; second aquarium bodies are arranged around the first aquarium body; the bottom of the first aquarium body is fixedly fitted with a connecting shaft; the first aquarium body is fixedly mounted inside the base through connecting components; one end, far away from the first aquarium body, of the connecting shaft is provided with a rotary driving component; each of the four corners of the bottom surface of the base is fixedly fitted with a self-locking universal wheel; first jaws are symmetrically arranged on the outer wall of the first aquarium body; one side of each first jaw is provided with a counter bore; the outer wall of each second aquarium body is symmetrically provided with second jaws; a spring plunger is fixedly screwed on one side of each second claw; and a first water pipe and second water pipes are fixedly mounted at the bottoms of the first aquarium body and the second aquarium bodies respectively. The purchase fee is saved, and the energy-saving environment-friendly household aquarium is convenient for culture lovers tooperate routinely.

The invention provides a method for aquaponics circulating aquaculture of seahorses. The culture method comprises the steps of water culture, algae planting, seahorse culture and harvesting. A system used in the method comprises a system frame, a bottom filter tank and culture tanks. The culture tanks are arranged at the upper layer of the system frame; the bottom filter tank is arranged at the bottommost layer of the system frame; a pipe-in-pipe water feeding and discharging sleeve is drilled at one corner of the bottom of each culture tank; thin pipes are water feeding pipes; thick pipes are water discharging pipe; the water discharging pipes are connected in parallel to be connected to the bottom filter tank; and a water pump is used for pumping treated water into the culture tanks. By adopting the system, the water quality environment required by seahorse culture be met, seasonal factors and regional factors can be overcome, and the whole-year uninterrupted growth of the seahorses can be realized. Food hygiene and safety of cultured objects are guaranteed, and the production capacity of a unit culture water body can be improved by 3 to 5 times. The strategic requirements of current national circular economy, energy conservation and emission reduction and economic growth mode conversion are met.

The invention discloses a splitting plastic frame applied to insect breeding and a breeding method thereof. In order to overcome the defects in an existing breeding field, a plastic frame suit specialfor insect breeding is designed. The plastic frame suit is composed of an outer frame and an inner plate, the inner plate can be stably placed in the outer frame, in the same plastic frame, concentrated large-scale breeding can be realized, and uniform management is convenient; meanwhile, the inner plate is placed through suspension, upper and lower spaces are sufficient, and air circulation is smooth; the corresponding breeding method of the plastic frame suit sets about ovum arrangement, fodder arrangement and other treatment means, therefore, the breeding method is scientific and reasonable, breeding efficiency is high, and the insect forming quality of insects is high.

The invention discloses a low-cost, low-pollution, high-output and high-quality type environment-friendly healthy breeding method for meat ducks. The low-cost, low-pollution, high-output and high-quality type environment-friendly healthy breeding method includes steps of S1, building meat duck stereoscopic ecological breeding platforms; S2, setting and building platforms and carrying out pond cleaning and disinfection pretreatment; S3, setting and managing meat duck breeding regions; S4, setting and managing fish filter feeding regions; S5, setting and managing bottom-layer snail breeding regions; S6, carrying out platform circulation, harvesting and reproduction. The low-cost, low-pollution, high-output and high-quality type environment-friendly healthy breeding method has the advantagesthat stereoscopic ecological breeding modes for breeding the ducks on water, farming fish in the water and breeding snail and planting grass under the water are created, accordingly, breeding spaces can be enlarged, the breeding costs of various components can be saved, meat duck breeding pollution can be abated, and the comprehensive system output can be increased; meat duck feed management schemes are innovated, accordingly, the nutrition of meat duck feed can be enhanced, the utilization rate of the meat duck feed can be increased, excellent beneficial effects for increasing the daily weight gain of the meat ducks and improving the quality of duck meat can be realized by the low-cost, low-pollution, high-output and high-quality type environment-friendly healthy breeding method, and thelow-cost, low-pollution, high-output and high-quality breeding purposes can be achieved.

The invention discloses a breeding device for polyculture of marsupenaeus japonicus and sea grapes and a breeding method adopting the device. The device comprises a breeding pond, sand is laid on thebottom of the breeding pond, and a plurality of sea grape breeding devices, a plurality of nano oxygenation devices and a water outlet are arranged on the bottom of the breeding pond; and a rope is arranged above the breeding pond, the sea grape breeding devices are connected with the rope through a lifting rope, a floater is arranged on the lifting rope, and a valve is arranged on the water outlet. According to biological characteristics of the marsupenaeus japonicus and the sea grapes, the curved-surface sea grape breeding devices are applied to inoculate the sea grapes, the three-dimensional structure of the curved-surface sea grape breeding devices effectively widens the breeding space of the sea grapes, the growth range of the sea grapes is widened, a good hiding environment is provided for the marsupenaeus japonicus, and the survival rate and the breeding yield of the marsupenaeus japonicus are increased. The breeding device is easy to operate, low in breeding cost, capable of saving bait, good in breeding benefit, suitable for breeding in soil ponds, mulching film breeding ponds and indoor workshops, capable of being popularized in a large range and high in practical value and has wide application prospects.

The invention discloses an improved alga culture apparatus. The apparatus comprises a fixing board, floating blocks, a cage frame, a limiting rod and a lower protection net. The fixing board is equipped with the limiting rod in a penetrating manner through a locking bolt. The bottom end of the fixing board is equipped with the floating blocks. The center positions of the floating blocks are equipped with support columns in cavity structures. Inflation chambers are installed between the support columns and the floating blocks. Additionally, two sides of each support column are equipped with airoutlets communicating with the inflation chambers. The bottom end of each position is provided with a connecting rod. Two groups of telescopic rods are installed at the bottom end of the bottom board. The lower protection net is arranged at the bottom end of the limiting rod in the cage frame. Alga seedlings can be delivered in a concentration manner. The apparatus has the structure of preventingbillows. When billows hit, the floating blocks discharge air in order to drive algae to sink. Therefore, loss of algae is reduced. A net cage is formed by the cage frame, an upper protection net andthe lower protection net so that sea fish is prevented from taking algae. The initial protection of seedlings is achieved so that survival rate is increased.

The invention provides a breeding device for cockroaches and relates to the field of insect breeding. The breeding device comprises a breeding frame, wherein the breeding frame comprises feeding isolating single units which are placed vertically, the feeding isolating single units are connected through fixing members, feeding devices are arranged on side faces of the breeding frame, collecting passages are arranged below the breeding frame, and collecting devices are mounted in the collecting passages. The cockroach feeding isolating single units are vertically placed side by side, so that thecockroaches can be conveniently observed and managed, and a relatively large breeding space is guaranteed; the collecting devices are mounted in the collecting passages, so that adults (cockroach adults, whose life cycles are completed or about to complete), ootheca and faeces of the cockroaches can be conveniently collected, and cockroach breeding products can be treated in next step conveniently; and the feeding devices are located at the two sides of the breeding frame, so that the cockroaches can be fed conveniently. According to the breeding device for the cockroaches, the feeding is convenient, the floor area is small, the cost is low, and the requirements on large-scale production can be met, so that the breeding device has good practicability and marketing value.

The invention discloses a process method and a special device for treating the circulating water of crowfish, which belong to the field of water treatment. The device includes: a culture pond, a biological pond is arranged around the outside of the culture pond, and a sterilizing component, including a The first substrate placed horizontally on the upper part of the culture pond, the first pump body is arranged on the upper part of the first substrate, the water inlet port of the first pump body communicates with the biological pond through the pipe body, and the surface of the first substrate adjacent to the end of the culture pond is provided with a half-way The diversion semi-through groove, the inner wall of the culture pool below the first base plate is connected with the first rotating shaft with the axis horizontally arranged, the first rotating shaft is equipped with a rotating shaft sleeve, and the bottom surface of the rotating shaft sleeve is provided with a horizontally arranged flow blocking baffle to prevent flow Both sides of the baffle are connected with the rotating shaft sleeve through the first mesh plate. The device of the invention has strong applicability, good versatility, energy saving and high efficiency, effectively improves the filtration efficiency and effect of physical purification, shortens the cycle period, and ensures the quality of purified water and the growth environment conditions of cultured products.

The present invention provides a method for industrialized culture of Splendid Lobster, which belongs to the technical field of Splendid Lobster cultivation. The present invention not only provides a hidden habitat for Splendid Lobster, but also realizes the cultivation of young shrimp High-density breeding ensures the number of beautiful lobsters per unit area, which is more conducive to the habitat of lobsters; in addition, the most suitable fresh oysters are fed during the breeding process, so that the lobsters have the best survival rate and the fastest growth rate. The present invention adopts the indoor three-dimensional flowing water breeding method, scientific and reasonable stocking density and feeding amount, and is a brand-new breeding mode under artificially created optimal conditions. Compared with traditional breeding methods, it has higher breeding output per unit area. High, short breeding cycle, low breeding cost, high production efficiency and controllable environment, etc., has a wide range of application prospects.