179 results about "Crayfish" patented technology

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.

1. Name of the product in this design: Packaging Box (Snack Crayfish). 2. Purpose of this design: For packaging products. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a Chinese herbal medicine fermented feed for crayfish and application of the Chinese herbal medicine fermented feed in prevention and control of five-month blast, and belongs to the technical field of aquaculture feeds. A preparation method of the Chinese herbal medicine fermented feed for crayfish comprises the following steps: taking a mixture of artemisia capillaris, potentilla discolor, radix bupleuri, scutellaria baicalensis, golden cypress, astragalus membranaceus, salvia miltiorrhiza, isatis root and liquorice; and inoculating a compound microbial agent consisting of lactobacillus plantarum, bacillus subtilis, bacillus velezensis and saccharomyces cerevisiae for anaerobic fermentation, mixing extract obtained by fermentation with the basal feed, and performing anaerobic fermentation again to obtain the feed. The feed provided by the invention can effectively improve the anti-stress ability and immunity of the crayfish, regulate the hepatopancreas function and remarkably reduce the incidence rate of five-month blast of the crayfish.

The application belongs to the technical field of lobster processing devices, and particularly relates to a crayfish shelling device, which comprises a bottom box, symmetrical side plates fixedly connected to the two sides of the bottom box, and a mounting table fixed in the middle of the two side plates; a fixing assembly for fixing the position of crayfish, wherein the fixing assembly comprises a vertical rod for inserting crayfish; a guide assembly arranged on the two sides of the vertical rod to guide an operator to insert the head shell of crayfish on the vertical rod from top to bottom; a clamping assembly arranged on one side of the mounting table and used for clamping the tail of crayfish; a driving assembly for driving the clamping assembly to rotate so as to separate the tail from the head shell; and an adjusting assembly for controlling the vertical rod to protrude out of or be retracted into a vertical groove. The application can quickly and completely separate the tail from the head shell, avoid waste of shrimp meat, and automatically classify the tail and the head shell, thereby improving the separation efficiency.

The utility model discloses a screening device for crayfish feed production, and relates to the technical field of feed production devices. The crayfish feed screening device comprises a screening box and further comprises a main body part which is installed on the screening box and used for screening crayfish feed. The collecting part is arranged in the screening box and used for collecting the large feed in a centralized mode; the screening part is arranged on the screening box and is matched with the main body part, so that the feed is uniformly distributed on the main body part; wherein after the crayfish feed is poured into the main body part, the screening part is started, so that the crayfish feed is uniformly distributed on the main body part. According to the screening device for crayfish feed production, the collecting part is arranged, so that the problems that in the using process of an existing screening device for crayfish feed production, large feed is inconvenient to collect in a centralized mode and scattered in different areas of the screening device, repeated manual cleaning and transferring are needed, the operation process is increased, and the overall production efficiency is affected are solved.

The invention discloses a crayfish and purple perilla flavored product and a preparation process thereof, and relates to the technical field of food processing. The preparation process comprises the following steps: screening and pretreating a crayfish raw material, preparing a perilla frutescens flavor stock solution, preparing composite spices, preparing a composite seasoning liquid, performing low-temperature vacuum rolling and kneading to be tasty, performing precise temperature control deep-frying and cooking, performing ultralow-temperature quick-freezing and fresh-keeping, and performing packaging and preservation. By adopting the technical scheme, the technical problems that in an existing crayfish processing technology, the meat quality and taste are poor, flavor substances are prone to volatilization and loss, and crayfish shells are difficult to peel are solved, and the beneficial effects that the product is full and elastic in meat quality and easy to peel, the purple perilla flavor is rich and lasting, and the quality is stable can be achieved.

The invention discloses a rice-shrimp co-cropping-based cadmium-polluted rice field safe utilization method, which comprises the following steps that 1, a cadmium-polluted rice field to be treated is selected, the cadmium content in the cadmium-polluted rice field to be treated is 0.40-1.50 mg / kg, and the pH range of the cadmium-polluted rice field is 5.5-6.5; 2, a compound fertilizer containing urea, diammonium phosphate and potassium sulfate is applied to the cadmium-polluted rice field to be treated, and rice seedlings are transplanted according to the line spacing of 20-25 cm and the plant spacing of 10-15 cm after ploughing and uniform mixing; 3, after the seedlings turn green, young Australian freshwater lobsters with the body length of 2-5 cm are put in; 4, harvesting rice and lobsters in the rice mature period. The invention aims to significantly reduce the cadmium content in rice through the rice-shrimp co-cropping system and reduce the effectiveness of soil cadmium.

This item is a lure (worm) used for octopus fishing. It is made of a flexible material and shaped to resemble a crustacean such as a crayfish. It is used attached to a hook rig, for example, as shown in the "Reference Diagram Showing the Names of Each Part." In this example, the hook rig consists of a core rod with a fishing hook, a ball, and a worm attachment rod. This item has a hook rig attachment hole, as shown in the "AA Cross-Sectional View." Therefore, as shown in the "Reference Perspective View from the Rear Side Showing the Usage State," the worm attachment rod is passed through the hook rig attachment hole, and the hook at the tip of the worm attachment rod is hooked onto the core rod, thereby attaching the item to the hook rig. As shown in red in the "Reference Diagram Showing Air Pockets," air is trapped inside the areas corresponding to the claws and tail. Therefore, during use, buoyancy in the sea tends to cause the air pockets to face upwards. Therefore, when it lies on the seabed (with the longitudinal direction of the needle arrangement aligned with the seabed), the surface shown in the front view tends to face upwards, and the surface shown in the rear view tends to face downwards (towards the seabed). In other words, when viewed from above, the item is likely to land in the state shown in the front view. Moreover, the claws are raised, mimicking the intimidation behavior of crustaceans.

The invention discloses a snail-shrimp-grass green three-dimensional planting and breeding and blue-green algae prevention and control method. The planting and breeding system is constructed through layered utilization of water resources. Chubs are stocked on the upper layer, crayfishes are bred on the middle-lower layer, bellamya is put on the bottom layer, and an underwater three-dimensional space is constructed in cooperation with waterweed and high-temperature-resistant vallisneria nana. According to the method, specific fry specifications, bait formulas and feeding management are adopted, the three-dimensional oxygenation technology is combined, the yield per mu of snails is 800-1000 jin, the yield per mu of crayfishes is 200 jin, more than 60 jin of egg-carrying crayfishes are obtained in batches per mu, and compared with a traditional mode, the benefit is increased by 150%. Meanwhile, by means of the synergistic effect of the vallisneria nana, the bellamya and the chub, growth of the blue-green algae is inhibited, the blue-green algae outbreak risk is reduced by 60-70%, and peripheral ponds can be connected in series to purify tail water for cyclic utilization. The mode gives consideration to economic benefits and ecological benefits, reduces the breeding cost, and realizes peak-shifting high-price marketing of the crayfishes.

This utility model discloses an automatic spraying device for crayfish, solving the problems of time-consuming and labor-intensive manual spraying of crayfish baskets and poor spraying effect in existing technologies. This utility model includes several interconnected tracks, a power trolley mounted on and moving along the tracks, a spraying mechanism mounted on the power trolley and connected to a water inlet hose, and a connecting mechanism between adjacent tracks. The assembly mechanism includes a first connecting rod and a clearance hole on the track, and a nut threaded onto the first connecting rod. When assembling two adjacent tracks, the first connecting rod on one track is located within the clearance hole on the other track and secured by the nut. The tracks, power trolley, and spraying mechanism work together to enable the spraying mechanism to reciprocate spraying the crayfish baskets, reducing the labor intensity of workers and improving the spraying effect.

The utility model discloses a centralized hatching device for 1 cm autumn crayfish seedlings, which comprises a hatching pond, a plurality of hatching units are arranged in the hatching pond, and the hatching units are arranged at intervals; the distance between the hatching unit and the bottom of the hatching pond is 25-30 cm, and the hatching unit is used for hatching autumn crayfish seedlings; a water inlet valve and a drain valve are arranged on the side wall of the hatching pond, a plurality of disc-shaped oxygenation nanotubes are arranged at the bottom of the hatching pond, and the oxygenation nanotubes are respectively connected with an aerator; according to the utility model, the plurality of hatching units are arranged in the hatching pond, the plurality of relatively independent hatching net cages are arranged in the seedling raising assemblies of the hatching units, and the hole diameter of the meshes on the side surfaces of the peripheries of the hatching net cages is 1cm, so that the in-vitro autumn crayfish seedlings can freely enter and exit from the hatching net cages and enter the seedling raising assemblies; finally, the autumn crayfish seedlings can be caught and transferred in a unified mode in the seedling raising assembly, and therefore the concentrated catching efficiency of the autumn crayfish seedlings can be improved.

The present application relates to crayfish processing technical field, disclose a kind of crayfish cleaning equipment, including cleaning machine and the conveyer belt being arranged below the cleaning machine, the brush washing subassembly is arranged in the cleaning machine, the brush washing subassembly includes several cleaning roller groups, rotation gear is coaxially arranged at the end of the cleaning roller group, arc-shaped rack is arranged in the cleaning machine, and rotation driving part for driving the rotation of the arc-shaped rack, the rotation gear is engaged with the arc-shaped rack. The present application can realize crayfish automatic cleaning and screening process.

The invention discloses a high-yield carp and crayfish polyculture system in a cold region pond, relates to the high-yield carp and crayfish polyculture system in the cold region pond, and belongs to the field of biological behavior ecology and the technical field of aquaculture. The invention aims to break through the ecological constraint of the special habitat of the cold region on the crayfish and solve the problem of the economic benefit bottleneck of the main culture pond for the carps in the cold region. The system comprises a carp feeding area, an annular submerged plant zone and a main crayfish breeding area, and the area ratio of the carp feeding area to the annular submerged plant zone to the main crayfish breeding area is (1-1.5): (0.5-1.0): (10.5-9.5). According to the method, the economic benefit bottleneck of the carp main culture pond is solved, the survival trapping of the crayfish is broken through, and the ecological constraint brought by the special habitat of the cold region is tamed.

The invention discloses a crayfish processing device which comprises a workbench and discharging equipment, and a conveying track is formed on the workbench. The discharging equipment comprises a clamp, a push rod, a mounting base, a push plate and a reset piece. The clamp is installed on the workbench in a sliding mode and can slide along the conveying track and pass through the discharging position. The push rod comprises an extending part and a pushing part. A sliding groove extending in the first direction is formed in the upper side face of the installation base. The push plate is installed in the installation base in a sliding mode in the first direction so as to be close to or away from the conveying rail, and a V-shaped sliding groove is formed in the push plate. One end of the reset piece is connected to the push plate, and the other end of the reset piece is connected to the installation base. A pushing piece is installed on the pushing plate and used for pushing the crayfish away from the clamp when the pushing plate gets close to the conveying rail.

The invention relates to the technical field of aquaculture, in particular to an automatic crayfish aquatic plant planting device which comprises a hull serving as a carrier and can automatically travel in a water area for crayfish cultivation. An adjusting platform capable of adjusting the position is arranged on the ship body; the storage mechanism comprises a storage assembly which is arranged on the ship body and used for storing aquatic plants to be thrown; the storage assembly is communicated with a transfer assembly for transferring aquatic plants; the putting mechanism comprises a trimming assembly and a putting assembly which are arranged on the adjusting platform, an outlet of the trimming assembly communicates with an inlet of the putting assembly, and an outlet of the transferring assembly can communicate with the trimming assembly; the trimming assembly trims the aquatic plants, the trimmed aquatic plants enter the putting assembly, the putting assembly sends the trimmed aquatic plants to the set depth underwater, and the aquatic plants are put. According to the automatic aquatic plant throwing device, automatic and accurate throwing of aquatic plants can be achieved, human input is greatly reduced, labor intensity is reduced, throwing efficiency is improved, throwing effect is improved, and overall breeding cost is reduced.

The invention provides a shrimp separating device which comprises a fixing frame, a rotating disc and a separating unit, the rotating disc is fixed to the fixing frame, the separating unit is fixed to the rotating disc, and the rotating disc rotates to drive the separating unit to move to different positions to move shrimps in the separating unit out of the separating unit in batches to achieve shrimp separation. The crayfish sorting device is provided with the separating unit and the rotating disc, the separating unit is driven by the rotating disc to rotate, the crayfishes in the separating unit are moved out of the separating unit in batches, and efficient and high-precision sorting of the crayfishes is achieved.

The utility model discloses a feeding device for feeding in a rice field crayfish breeding ditch, and relates to the technical field of crayfish breeding, in a crayfish field, a plurality of groups of equally divided breeding sub-fields are arranged in the crayfish field, a conveying pipeline is arranged in the crayfish field, the conveying pipeline comprises a main crayfish ditch and an auxiliary crayfish ditch, and a feed pump station is arranged at the upper end of the crayfish field. The feed pump station is communicated with the main shrimp ditch, a feed mixing part and a pressurizing part are arranged in the feed pump station, and pipeline regulation and control assemblies are arranged at the positions of the main shrimp ditch and the auxiliary shrimp ditch. By the adoption of the feed throwing device, feed can be evenly thrown into the breeding sub-fields, the guiding amount of the feed guided into the auxiliary shrimp ditches is measured through the flow meter, the drainage plate is closed after the adding amount reaches the specified amount, feed feeding of one set of breeding sub-fields is completed, and the feeding efficiency of the breeding sub-fields is improved. The subsequent breeding sub-field putting method is performed in the same manner, so that proper feed density and feed use uniformity are ensured.

1. Name of the product in this design: Packaging bag (5-in-1 spicy crayfish noodles). 2. Intended use of this design: food packaging. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color. 6. No design content; bottom view omitted.

The invention belongs to the technical field of aquaculture equipment, and discloses a feed feeding device for rice field crayfish breeding, which comprises a case of which the bottom end is mounted on a ship, a storage barrel is fixedly connected to the top end of the case, and a discharging pipe extending into the case is fixedly connected to the bottom end of the storage barrel; the inner wall of the machine box is fixedly connected with a conveying pipe extending out of the machine box, the bottom end of the discharging pipe communicates with the interior of the conveying pipe, and the inner wall of the conveying pipe is rotationally connected with a spiral rod. The surface of a discharge hole in the conveying pipe is covered with a screen frame rotating in the same way, so that after the feed falls into the screen frame from the discharge hole, the feed inside the screen frame is rolled and scattered through the rotating screen frame and is uniformly spread into the rice field, and the situation that the feed is directly accumulated in a certain area of a breeding ditch, so that the crayfish gathers to fight for food is prevented; meanwhile, residual materials are easy to decay and pollute water.

The invention relates to an ecological mandarin fish breeding method based on natural breeding of bait fishes, and belongs to the technical field of aquaculture. According to the method, a crayfish culture pond or a river crab culture pond serves as an ecological mandarin fish culture pond, and aquatic plants with the coverage rate larger than 30% are planted. Propagation and growth characteristics of indigenous crucian carps are ingeniously utilized, the indigenous crucian carps are put from November of the previous year to January of the next year, and feed residues and excrement for breeding crayfishes or river crabs are used for providing food for the crucian carps; the aquatic plants provide inhabiting and molting places for the crayfishes or the river crabs, provide spawning places for the crucian carps, and purify water to form a stable ecological system. Large-size mandarin fish fries are put in the middle and last ten days of May in the next year, natural breeding of crucian carps provides continuous and palatable live bait fishes for mandarin fish, an efficient ecological circulation system is formed, and rapid growth of mandarin fish is promoted. The usage amount of the water quality improver and fishery medicine is zero, and mandarin fish, crayfish or river crab and crucian are harvested in autumn at the same time.

The application discloses a crayfish seedling large-scale breeding system and a breeding method, and the breeding system comprises a breeding pond, a first sliding block is fixed with a material spreading mechanism, the material spreading mechanism comprises a trigger button, the trigger button is fixed on the inner end face of the first sliding block, the top of the first sliding block is fixed with a second compression spring and a limiting column, the top of the second compression spring is fixed with a support plate, the limiting column penetrates through the support plate, and two support plates are fixed with a feeding channel. The crayfish seedling large-scale breeding system, the storage box is transversely moved and aligned with the feeding channel, the third lead screw is rotated while the first rotating shaft is rotated, the sliding block and the butt joint channel are integrally moved downward, the feeding channel is conveniently butt jointed together after the feeding channel is aligned with the feeding channel, the outer spiral is rotated together with the third rotating shaft after the feed is smoothly fed into the feeding channel, and the feed is automatically dispersed and spread, so that the feed can be more dispersed and fed into the breeding pond.

This utility model relates to the field of crayfish processing and discloses a disinfection device for crayfish processing, including a frame. A feeding conveyor belt is horizontally arranged at one end of the frame, and a roller screening mechanism is arranged at the end of the feeding conveyor belt. An inclined lifting conveyor mechanism is arranged below the roller screening mechanism. A spray mechanism, an ultrasonic cleaning tank, and an discharge conveyor belt are arranged sequentially along the rotation direction of the conveyor belt at the end of the lifting conveyor mechanism. A residue separation and recycling mechanism is arranged below the spray mechanism. A synchronous motor for the conveyor belt is arranged on the side from the spray mechanism to the ultrasonic cleaning tank. This utility model can quickly and accurately screen large batches of crayfish raw materials by volume and perform deep and efficient cleaning of crayfish, making it suitable for large-scale industrial production of crayfish.

1. Name of the designed product: packing barrel (crayfish seasoning). 2. Use of the designed product: used for packing crayfish seasoning. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of crayfish breeding and catching, in particular to a rice field shrimp breeding and collecting device which comprises a fixing frame, a plurality of fixing holes are evenly formed in the fixing frame, groove pipes are arranged on the fixing holes, one end of each groove pipe is open, and a filter plate is fixed to the bottom of each groove pipe. Connecting plates are symmetrically fixed to the two ends of the fixing frame, supporting shafts are arranged on the sides, close to an opening of the groove pipe, of the connecting plates, a connecting rod is further arranged above the fixing frame, the two ends of the connecting rod are connected with the supporting shafts through the fixing plates, and the supporting shafts penetrate through the tail ends of the fixing plates and are rotationally connected with the fixing plates. A hanging ring is further fixed to the connecting rod. When the device is used for catching the crayfishes, the tail end of the steel wire rope is on the bank of the rice field, the device is lifted through the steel wire rope without approaching, the crayfishes cannot be frightened to escape in advance, and when the device is lifted, the device opening faces upwards, so that the crayfishes are further prevented from jumping out of the groove pipe.

The utility model discloses a freshwater crayfish culture pond, and relates to the technical field of crayfish culture. The aquaculture pond comprises an aquaculture pond body, an aquaculture frame is arranged in the aquaculture pond body, and a lifting control assembly used for driving the aquaculture frame to move in the vertical direction is installed on the left side face of the aquaculture pond body. A cleaning assembly and a spraying cleaning assembly which are used for cleaning the inner wall of the culture pond body and the culture frame are arranged on the surface of the culture pond body, an oxygenation assembly is arranged on the right side wall of the culture pond body, drainage pipes are fixedly connected to the left side and the right side of the bottom of the culture pond body, and the lifting control assembly comprises a first motor; and the first motor is fixedly mounted on the left side surface of the culture pond body, so that the effect of automatically cleaning the crayfish culture pond in use is achieved, manual operation is not needed, crayfish culture work is easier, and accumulation of impurities in the culture pond is avoided.

The invention belongs to the technical field of aquaculture, and particularly relates to a river crab pond impurity removing and catching device and an impurity removing and catching method. Comprising a net cage assembly, the net cage assembly comprises a box body with an opening in one face, the opening end of the box body is fixedly connected with an anti-climbing lintel, the upper portion of the anti-climbing lintel is fixedly connected with a plurality of connecting frames, and the connecting frames are detachably connected with the front end of a ground cage. A smooth slope inclining towards the interior of the box body is arranged on the inner wall face of the upper portion of the anti-climbing lintel, an inclined net detachably covers the slope, an aerator is fixedly connected to the box body, and the bottom of an air pipe of the aerator is fixedly connected to the bottom face, away from the opening end, of the box body. According to the invention, some trash fishes and crayfishes in the crab pond can be removed and caught; when the river crabs are bred at high density, the cage explosion phenomenon generated when the ground cage is used for fishing is avoided, and the damaged crabs are reduced; and the river crabs in the ground cages fall into one net cage, so that the efficiency of catching the river crabs is improved.

The utility model provides a small green dragon culture pond with a separation net, which relates to the technical field of culture ponds and comprises a culture tank which is arranged on the ground and used for bearing a water source and small green dragon. The water outlet pipe is mounted on the breeding tank, and the water outlet pipe is used for discharging waste sewage; the separation assemblies are arranged in the culture tank, divide the culture space in the culture tank into a plurality of parts and are used for culturing the small green dragon in different areas, and each separation assembly comprises a screw rod which is fixedly connected with the inner wall of the culture tank; according to the small green lobster breeding tank, the internal breeding space of the breeding tank can be divided into a plurality of independent spaces through the partition assemblies, small green lobsters are bred in different areas, and the problems that due to the fact that the breeding density of the small green lobsters in the breeding tank is high, survival competition of small green lobster fries occurs, and the number of residual lobsters or dead lobsters is increased are solved. And the space utilization rate of the culture tank is improved.

This invention discloses a crayfish head protein peptide with uric acid-lowering effect and its application, belonging to the field of biotechnology. The amino acid sequence of the crayfish head protein peptide is shown in any one of SEQ ID NO. 1-4. This invention uses ultrasonic and microwave technology to assist protein hydrolysis, prepares xanthine oxidase inhibitory peptides from crayfish heads, explores the material basis of its activity, and studies its mechanism of action, laying a theoretical foundation for the high-value utilization of crayfish processing by-products and the development of food-derived xanthine oxidase inhibitors.

The invention belongs to the technical field of shrimp breeding, and particularly relates to a crayfish breeding device and method.The crayfish breeding device comprises a breeding box and a crayfish discharging mechanism, the crayfish discharging mechanism comprises an isolation box, an overflow pipe and a corrugated pipe, a plurality of escape holes are formed in the circumference of the isolation box, and the isolation box is arranged in the breeding box and is coaxial with a crayfish discharging opening; a corrugated pipe is coaxially arranged in the isolation box, the bottom end of the corrugated pipe is in butt joint communication with the shrimp discharging opening, the upper end of the corrugated pipe is in butt joint communication with an overflow pipe, and a plurality of overflow holes are evenly distributed in the circumference of the overflow pipe in the height direction; the upper end of the overflow pipe extends out of the upper side of the isolation box and is connected with a lifting mechanism which is used for adjusting the height of the overflow pipe. Through lifting linkage of the air disc and the overflow pipe, an accurate collection mode of'high-position trickling and high-position bubbles' and a powerful box cleaning mode of'low-position forced discharging and low-position bubbles' are achieved, the separation efficiency of female shrimps and juvenile shrimps is improved in an auxiliary mode under the condition that the problem of dissolved oxygen is solved, and the survival rate of the juvenile shrimps is further increased.

1. Name of the designed product: packaging box (crayfish). 2. Use of the designed product: for packaging crayfish. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.