31 results about "Byssus" patented technology

The invention relates to a mussel processing system. The mussel processing system comprises a feeding mechanism, a kneading apparatus, a cleaning apparatus, a grading apparatus, a cooking apparatus, avibrating and discharging apparatus, a shell-flesh separating apparatus, an unhairing apparatus and a mussel mouth opening apparatus, wherein byssus, sand and bur on the surface of the mussels are separated from the mussel shell by utilizing the kneading apparatus, the kneaded mussels are guided into the cleaning apparatus to be cleaned, so that separated mussels with clean surface can be obtained, the separated mussels having clean surfaces are guided into the grading apparatus to be graded according to the size, the graded mussels are separately guided into the cooking apparatus to be cooked to make the mussels open, and the opened mussels are guided into the vibrating and discharging apparatus, so that the opened mussels are separately guided into the shell-flesh separation apparatus,the flesh in the opened mussels is separated from the mussel shell, so as to obtain the mussel flesh, and the mussel flesh is dried to obtain dry mussel flesh; and by adopting the mussel processing system, the efficiency of separating the flesh and shell can be improved, and the completeness of the mussel flesh can be ensured at the same time.

The invention discloses a byssus removing machine for mussel. The machine comprises a rack, a motor, a byssus removing device and a material dialing device; two sides of the rack are respectively provided with a support plate, wherein two sides of the rack are respectively provided with a support plate, a plurality of pairs of byssus removing rollers composed of a drive roller and a driven roller are supported between two support plates in a horizontal, parallel and rotary mode at interval; a drive belt roller and a driven belt roller are respectively supported on two ends of two support plates in a rotary mode; a conveyer belt provided with a plurality of material dialing strips on the peripheral region is assembled between the drive belt roller and the driven belt roller in a rotary mode, the conveyer belt is arranged above the drive roller and the driven roller; and the transmission between the motor and the drive roller and between the motor and the driven roller is the between the motor and the drive roller. The byssus removing machine for mussel is reasonable in design, good in byssus removing effect, low in worker labour intensity and high in production efficiency; the man-made pollution to the mussel meat can be reduced.

The invention discloses a method for removing limnoperna lacustris from a long-distance raw water conveying pipeline by using the combined effect of sodium hypochlorite and water flushing, relating to a method for removing limnoperna lacustris from raw water conveying pipelines. The method comprises the following steps of continuously adding sodium hypochlorite to the long-distance raw water conveying pipeline for 5-11h, controlling the concentration of sodium hypochlorite in per liter of raw water to be 4-5mgL, and controlling the water flow velocity to be 0.8-3.5m / s, thereby completing the method for removing limnoperna lacustris from the raw water conveying pipeline through the combined effect of an oxidant and water flushing. According to the method, the advantages of sodium hypochlorite and water flushing in removal of limnoperna lacustris are integrated, sodium hypochlorite can dissolve byssus of limnoperna lacustris to enable the byssus to rapidly fall off, and water flushing can enable limnoperna lacustris to be rapidly removed from the water conveying pipeline, so that the dosage of medicaments is reduced. According to the method, the number of limnoperna lacustris in the raw water and the pipeline can be controlled effectively; by using the method, the operation is safe and convenient and has extremely high feasibility.

The invention discloses a method of killing limnoperna fortune in a long-distance raw water delivery pipeline by combined effect of potassium permanganate and sodium hypochlorite and relates to a method for killing limnoperna fortune in a raw water delivery pipeline. Under a 16 DEG C-18 DEG C condition, potassium permanganate and sodium hypochlorite are continuously added into the long-distance raw water delivery pipeline for 6-15 days, and in each liter of raw water, concentration of the potassium permanganate is controlled to 0.5mg / L-1mg / L, and concentration of the sodium hypochlorite is controlled to 1mg / L-5mg / L. According to the method, the potassium permanganate is added into the raw water delivery pipeline, so that oxidation is carried out to the greatest extent to kill the limnoperna fortune, and byssus can be dissolved by the sodium hypochlorite, so that byssus falls off quickly and can be removed from the pipeline, and therefore, a problem that water delivery effect of the water delivery pipeline is damaged by the limnoperna fortune is solved. Besides, the method disclosed by the invention can be used for effectively controlling quantity of the limnoperna fortune in the raw water and the pipeline, is safe and convenient to operate and extremely high in feasibility.

The invention discloses a method for cultivating a round pearl of a penguin pearl shell. The method uses the penguin pearl shell with height of about 10 cm as a pearl cultivating shell, the penguin pearl shell with shell height of about 6-7 cm or martensite as a small slice shell. The planted pearl core shall be small in diameter, and the core inserting part is a left bag core position of the pearl cultivating shell. The pearl cultivating shell uses the penguin shell with growth age for about one year and a half and the shell height of about 10 cm, and the penguin shell is quick in growth rate and big in core position; after the core plugging treatment, the death rate is low and the core remaining rate is high. The small slice shell uses the 6-7 cm small shell, and this specification of shell has thin outer sleeve film, and the produced small slice can be more tightly combined with the pearl core. Before plugging the core, byssus is sheared off by an oblique caliber, so as to reduce the influence on view and cutting opening in the course of plugging the core. Besides, by adopting the small bead core, the method avoids contacting and contaminating livers of the pearl cultivating shell in the course of planting the core, and improves the core remaining rate and the pearl quality.

The invention provides an introduction and domestication method for greenshell mussels. The method comprises the following steps of: temporarily feeding the greenshell mussels collected in New Zealand into running water under the water temperature at 11-12 DEG C; selecting the greenshell mussels without damaged shells and with complete byssi, separating from water and drying in the shade, thereby guaranteeing no serious water accumulation in a transportation process; putting the greenshell mussels which are separated from water and are dry into a net bag, putting the net bag and an ice bag into a plastic bag, sealing and storing, wherein the ice bag is utilized to keep lower temperature of the greenshell mussels and reduce metabolism; after the greenshell mussels arrive at China, putting the greenshell mussels into a cultivating tank for cultivating without feeding, thereby guaranteeing the vitality of the greenshell mussels and reducing the loss of the greenshell mussels; after the ending of the cultivating without feeding, feeding with unicellular algae and causing the greenshell mussels gradually adapt to the environment in the cultivating tank; and adjusting the water temperature of the cultivating tank to 13-18 DEG C after feeding the greenshell mussels. According to the introduction and domestication method for the greenshell mussels provided by the invention, the introduction survival rate of the greenshell mussels can be promoted and the survival rate can be at least 86%.

The invention provides a mussel byssus removal machine which solves the problems of main manpower dependence, great workload and low working efficiency for removal of fresh mussel byssus at present and realizes mechanical operation of mussel byssus removal. The mussel byssus removal machine comprises a rack, a power transmission system, a byssus removal mechanism, a material stirring mechanism and an expanding and tightening device, wherein the power transmission system comprises a motor, a first power transmission component and a second power transmission component; the motor is arranged on the rack; the byssus removal mechanism comprises a plurality of groups of opposite rolling rollers; the rolling rollers comprise driving rollers and driven rollers; the driving rollers and the driven rollers make opposite rotation by friction; the motor is connected with the driving rollers by the first power transmission component; the material stirring mechanism is located above the byssus removal mechanism, and comprises a driving belt pulley, a driven belt pulley and a belt provided with stirring teeth; the motor is connected with the driving belt pulley by the second power transmission component; and the expanding and tightening device comprises an expanding and tightening bolt, an expanding and tightening nut and an expanding and tightening bracket.

The present invention provides a processing method of mussel; the mussel is cleaned and cooked; the shell of cooked mussel is opened and the tendon which connects one side of the mussel meat and the shell is picked; the gill and byssus on the meat is removed and the shell is closed and fixed; a single frozen machine is used for fast freezing of the mussel and the fast freezing temperature is below minus 30 Celsius degrees; the mussel is delivered to the refrigerator for storage 2 to 3 minutes after the completion of fast freezing. With the present invention of a mussel processing method, the clean mussel meat is also connected with the shell on one side by tendon after being processed and two shells are also connected by back tendon; in this way, the product is characterized by the convenient storage and transportation of frozen product which meets the requirements that people can eat fresh mussel out of the production area, and the integral appearance of fresh mussel; with the protection of shells, the mussel meat can not be damaged by collision which has a better product image and enables people to cook the mussel with shell.

The present invention pertains to a method for attaching two surfaces to each other or coating a surface by providing a bioadhesive composition consisting of an aqueous solution of a bioadhesive polyphenolic protein derived from a byssus-forming mussel, and mixing said bioadhesive composition with a preparation comprising non-enzymatic oxidising periodate ions so that the concentration of periodate ions is at least 1.80 mmol / g in the final composition before applying the mixture to at least one of two surfaces to be attached to each other or coated or applying said composition and said periodate ions without any specific order, to at least one of two surfaces to be attached to each other or the surface to be coated, thereby mixing the bioadhesive composition and the periodate ions. The surfaces are then joined (if necessary) and left for sufficiently long time for curing to occur. The invention can be provided as a kit of parts comprising the MAP-solution, a preparation comprising the periodate ions and optionally a device to apply the compositions of the invention to surfaces that are to be attached to each other or coated.

The invention relates to a processing, kneading and hair removing device for mussels. A discharging opening of a kneading device is linked with a feeding opening of a hair removing device; the hair removing device is used for rejecting hairs and byssuses in the mussels; the kneading device comprises a material supplying cylinder which is horizontally arranged, a kneading cylinder is rotatably arranged in a cylinder cavity of the material supplying cylinder, the kneading cylinder is horizontally arranged, the lower cylinder wall of the kneading cylinder is close to the inner wall of the lower cylinder body of the material supplying cylinder, and a spiral material guiding piece is arranged on the outer wall of the kneading cylinder, and is arranged in the length direction of the kneading cylinder in an extending manner; the hair removing device comprises a hair removing rolling cylinder which is horizontally arranged; a hair removing roller is arranged in the hair removing rolling cylinder; hair harrowing brushes are arranged on the hair removing roller, and are abutted to the inner wall of the hair removing rolling cylinder; a material guiding piece is arranged on the inner wall ofthe hair removing rolling cylinder; and a power mechanism is used for driving the hair removing rolling cylinder to rotate. Through the adoption of the processing, kneading and hair removing device for mussels disclosed by the invention, byssuses and seaweed adhering to the surfaces of the mussel shells can be effectively and thoroughly cleaned, and the processing quality of dried mussels in the later stage is guaranteed.

The invention discloses a preparation method for a fat-soluble extract of common mussels. The preparation method comprises the following steps: (1) pre-treating the common mussels, specifically, after the common mussels are fished out, cleaning, unshelling, separating meat, and removing byssus; then mincing the mussel meat to obtain minced mussel meat; (2) performing enzymolysis by a complex enzyme, specifically, putting the minced mussel meat into water, adding the complex enzyme, stirring, adjusting the pH value, keeping the temperature and performing enzymolysis to obtain water-insoluble crude fat, wherein Vc is added before enzymolysis, and the liquid is abandoned after enzymolysis; (3) dissolving the crude fat in an organic solvent while adding VE, freezing, filtering at the temperature of 5 below zero to 10 below zero to obtain the fat-soluble extract crude product of the common mussels, and then evaporating the organic solvent through water bath reflux to obtain the fat-soluble extract of the common mussels. The fat-soluble extract of the common mussels, obtained through the method, has the characteristics of higher purity, low cost and low oxygenation rate, is relatively high in fluidity, contains 26 unsaturated fatty acids, found out through gas chromatography, and has purity reaching 95.21 percent.

The invention discloses a bottom sowing culturing method for pinctada fucata. The bottom sowing culturing method for the pinctada fucata comprises the following steps: S1, designing a bottom sowing culturing device of the pinctada fucata; S2, coarsening juvenile pinctada fucata in a sea area in a net bag hanging mode; S3, uniformly placing the coarsened juvenile pinctada fucata on bottom sowing plates, and temporarily culturing the juvenile pinctada fucata in a cement pool provided with seawater until the juvenile pinctada martensii grows byssus; S4, selecting a shallow sea beach, fixing fixedcolumns in the shallow sea beach, arranging connecting ropes on the fixed column, taking out the bottom sowing plates from the cement pool, placing the bottom sowing plates in the shallow sea beach,sequentially arranging and connecting the bottom sowing plate to the connecting ropes, and culturing the pinctada fucata according to daily management. According to the method, the individual distribution of the pinctada fucata is more uniform, the inter-individual space and the bait competition pressure are reduced, so that the growth rate and the culturing survival rate of the pinctada fucata are improved, the inter-individual growth difference is reduced, the culturing device and method are simple to operate, and the culturing cost and the labor amount can be reduced.

The invention discloses a mussel byssus extracting device and method. The mussel byssus extracting device comprises an operating table, a lifting cover plate connected with the operating table, M rowsand N columns of rotating plates arranged on the operating table, a rectangular groove formed in each rotating plate, and air pipe groups which communicate with angle parts of the all rectangular grooves, wherein each of the air pipe groups comprises four air pipes; each of the four air pipes are connected with an air suction pump; the lower part of each of the air pipes is provided with a corresponding byssus net bag; the lifting cover plate is provided with M*N upright posts; each of the upright posts is provided with a corresponding rotating shaft; the lower ends of the rotating shafts areprovided with air bags; and each of the air bags is connected with an air inflating pump. The mussel byssus extracting device and method disclosed by the invention have the advantages that the byssuses of a plurality of mussels can be automatically extracted simultaneously at one time, the production efficiency is high and the production cost is high.

The present invention pertains to a method for attaching two surfaces to each other or coating a surface, comprising the steps of providing a bioadhesive composition consisting of a bioadhesive polyphenolic protein derived from a byssus-forming mussel, mixing the bioadhesive protein with a strongly alkaline solution before or simultaneously as applying the composition to the surfaces which are to be attached to each other or the surface to be coated. The surfaces are then joined and left for a sufficiently long time to allow curing to occur alternatively the surface coated by the composition is left for a sufficiently long time to allow curing to occur. The invention can be provided as a kit of parts comprising the bioadhesive protein solution and a preparation of a strongly alkaline solution.

The invention discloses a method for processing an instant mussel food. The method comprises (1) providing alive mussels, removing attached seaweeds and sandstones, boiling them, cooling them in an ice bath, removing shells and byssus to obtain mussel meat and freezing the mussel meat for next use, (2) soaking the mussel meat obtained in the step 1 in a first deodorizing solution and carrying outdrainage, (3) soaking the mussel meat obtained in the step 2 in a second deodorizing solution and carrying out drainage, and (4) spraying a dipping liquid to the surface of the mussel meat obtained inthe step 3 and carrying out baking in hot air. The mussel product produced by the method has a good taste and weak odor. The method has reasonable and advanced processes and can be widely used in theprocessing and production of mussel products.

The invention discloses a mussel byssus removing device. The device comprises a feeding inlet and a separating screen connected with the feeding inlet; the separating screen is arranged in an inclined mode and provided with two discharging portions which are located on the lower portion of the separating screen and at the end, with low height, of the separating screen, a small-diameter byssus remover is arranged below the separating screen, and a large-diameter byssus remover is arranged beside the end, with the low height, of the separating screen; the small-diameter byssus remover comprises a small-diameter first-stage feeding disc and a small-diameter first-stage vibration motor driving the small-diameter first-stage feeding disc to vibrate, a small-diameter flange which prevent mussels from splashing outwards is arranged on the upper surface edge of the small-diameter first-stage feeding disc, multiple small-diameter through holes are dug in the small-diameter first-stage feeding disc, the small-diameter through hole penetrate through the upper surface and the lower surface of the small-diameter first-stage feeding disc, the cross section of each small-diameter through hole is in a gourd shape formed by a great circle and a small circle which are mutually attached, and the lower surface of the small-diameter first-stage feeding disc is provided with small-diameter movable block pieces used for preventing the mussels in the small-diameter through holes from being leaked out.

The invention provides a method for artificial propagation of mytilus coruscus in an intertidal zone of a rocky reef phase. According to the invention, mytilus coruscus juveniles are temporarily conserved at a sea area; the mytilus coruscus larvae are wrapped in net bags prepared with a papyrus material; the net bags with the mytilus coruscus larvae are connected in series, and are placed into the intertidal zones of the rocky reef phase or a dimension stone phase of a natural sea area, such that the artificial propagation of the mytilus coruscus is completed. According to the invention, thick hemp ropes are selected as an attachment base, and thin hemp ropes are wound on the thick manila ropes, such that the base surface area to which mytilus coruscus byssuses are attached is increased. The net bags used for wrapping the mytilus coruscus larvae and the hemp ropes used for attachment of the mytilus coruscus larvae can be rapidly digested under seawater erosion, such that artificial removal is not needed. Therefore, manual labor is effectively reduced, and plastic garbage is not brought to the environment. Mytilus coruscus can first attach to the net bags or the hemp ropes, and with the digestion of the net bags and the hemp ropes, the mytilus coruscus can attach to rocky reef gaps. With the mytilus coruscus secondary attachment manner, mytilus coruscus larvae attachment rate on the rocky reef is greatly improved, and the mytilus coruscus artificial propagation effect is improved.

The invention discloses a breeding method for excellent pteria penguin, taking cultivation of pteria penguin with byssus deletion or minuteness as a breeding target. The method comprises: firstly breeding a Hainan wild population to breed individuals which are excellent in character in the first generation and establishing a family system through balanced nest type mating; and then further carrying out screening according to an experimental result of nucleus insertion and pearl culture to gradually cultivate the excellent variety of pteria penguin with byssus deletion or minuteness. The method disclosed by the invention can be used for effectively improving the survival rate of nucleus insertion and pearl culture, the remained nucleus ratio and the excellent pteria penguin rate, so that the method has a good application prospect.

The invention provides a functional buffer layer of a sole, which comprises the following ingredients in parts by weight: 85-105 parts of polyisoprene, 9-15 parts of cyclohexyl sulfo-phthalimide, 6-11parts of tetraalkyl thiuram disulfide, 3,5-diethyl methyl benzene-2,6-diamine, 16-25 parts of polyacrylamide, 23-29 parts of polystyrene nano microsphere, 31-45 parts of byssus fiber, 8-15 parts of silicate acetate and 11-23 parts of carbon black. Due to synergistic matching of the ingredients of the buffer layer, the shock absorption and wearing comfortability of the sole are greatly improved, ashoe body is simpler and more attractive in overall shape, and the requirements of the public are easily met.

The invention relates to a device for clearing away limnoperna fortunei in a pipeline and an application method. The device comprises a clearing part and multiple hook wires. The clearing part is of ahollow cylinder structure and is of a flexible structure, and at least one fixed rod is arranged on the inner wall of the clearing part in the circumferential direction at intervals. A tightening part is connected to the bottom of the clearing part and can reduce the occupied space of one end of the clearing part. A connecting rod is fixedly mounted at one end of the tightening part. One end of the connecting rod is movably connected with a rolling wheel. When the clearing part penetrates into the pipeline, the rolling wheel can reduce friction force between the pipeline and the clearing part. The hook wires are arranged at intervals in the length direction of the clearing part, the hook wires can hook byssi of the limnoperna fortunei, the limnoperna fortunei in the pipeline can be cleared away conveniently, and use is convenient.

The invention discloses a preparation method for a fat-soluble extract of common mussels. The preparation method comprises the following steps: (1) pre-treating the common mussels, specifically, after the common mussels are fished out, cleaning, unshelling, separating meat, and removing byssus; then mincing the mussel meat to obtain minced mussel meat; (2) performing enzymolysis by a complex enzyme, specifically, putting the minced mussel meat into water, adding the complex enzyme, stirring, adjusting the pH value, keeping the temperature and performing enzymolysis to obtain water-insoluble crude fat, wherein Vc is added before enzymolysis, and the liquid is abandoned after enzymolysis; (3) dissolving the crude fat in an organic solvent while adding VE, freezing, filtering at the temperature of 5 below zero to 10 below zero to obtain the fat-soluble extract crude product of the common mussels, and then evaporating the organic solvent through water bath reflux to obtain the fat-soluble extract of the common mussels. The fat-soluble extract of the common mussels, obtained through the method, has the characteristics of higher purity, low cost and low oxygenation rate, is relatively high in fluidity, contains 26 unsaturated fatty acids, found out through gas chromatography, and has purity reaching 95.21 percent.

The invention relates to a method of assessing a shellfish health condition by adopting a dynamometer, comprising the following steps: selecting a proper shellfish with a certain specification; performing treatment on the shellfish before shell opening; opening the shell of the shellfish by adopting a shell opener; connecting various assemblies of the LH-F490 portable dynamometer; starting the LH-F490 portable dynamometer and testing, i.e., setting parameters after starting, pressing a zero clearing key for zero clearing, and testing whether the display pressure change of a displayer exists or not, wherein a tension sensor is selected as a clamp of the LH-F490 portable dynamometer, displayed data N1 is recorded, a byssus of the shellfish is taken out, vertically penetrates through a test ring, and is pulled apart, and displayed data N2 is recorded; an occlusal force sensor is selected as the clamp of the LH-F490 portable dynamometer, displayed data N3 is recorded, a contact of the clamp is clamped in a shell, and displayed data N4 is recorded; putting the tested shellfish in another identical water environment for continuously culturing. The method has the advantages that high speed and convenience are realized, mechanical damage conditions are reduced, and the method can be widely applied to a shellfish culture process.

The present invention discloses an apparatus for observing and measuring bivalve byssus secretion, comprising a temporary rearing box with an open top. A shellfish placement board and suspension ropesare disposed inside the temporary rearing box. The shellfish placement board is fixedly installed inside the temporary rearing box, and is horizontally disposed. A placement hole for placing shellfish is opened on the shellfish placement board, and a diameter of the placement hole is smaller than that of the shellfish. An adhesive plate for adhering shellfish byssus is disposed below the shellfish placement board, left and right ends of the adhesive plate are separately fixedly connected to one suspension rope, and the top of the suspension rope is connected to the top of the temporary rearing box. According to the apparatus provided in the present invention, a shellfish byssus length can be accurately measured by simulating a natural condition, and photologging of a whole process of byssus secretion is completed with assistance of shooting equipment. The apparatus has advantages of being prompt, accurate, scientific, and simple in operation.

The invention relates to the technical field of processing of aquatic products and in particular relates to a smoked mussel can. The smoked mussel can is prepared through the following steps in sequence: washing raw materials; steaming, taking meat and removing byssus; rinsing; pickling; pre-boiling; smoking; filling into a can; pouring oil; sealing; sterilizing. In the step of steaming, taking the meat and removing the byssus, washed mussels are steamed at 100 DEG C for 8 to 10min; after the mussels are cooled, the meat is manually taken and the byssus is removed; before steaming, the meat isimmersed with a solution of ascorbic acid, sodium alginate and ethylenediaminetetraacetic acid for 10 to 15min, and the mass concentrations of the three components are 0.5 to 0.8 percent, 1 to 2 percent and 0.05 to 0.1 percent respectively. The product has an abundant mouthfeel and a unique taste, and subsequent seasoning treatment is not needed; the umami is kept relatively well, the fishy smellis relatively light and the smoked color and luster are bright; the color and taste of the mussel meat are not easily changed after the mussel meat is preserved for a long time; when the mussel meatis eaten, the color and luster are good, the softness is good, the taste is delicious and the quality is high.

The invention discloses a making method of canned mussel foods. The making method comprises the following steps of (1) providing fresh and living common mussels, removing seaweed and sand attached tothe common mussels, performing cooking, then putting the cooked common mussels in ice bath for cooling, and removing shells and byssus, so that mussel meat is obtained; (2) soaking the mussel meat obtained in step 1 in a first soaking solution for soaking, and then performing draining to remove moisture; (3) adding table salt, fresh ginger powder broken pulp, radix gentianae powder and villous amomum fruit powder to the mussel meat obtained in step (2), and performing uniform stirring; (4) inflating high-temperature water vapor to the mussel meat obtained in step (3); and (5) packing the mussel meat obtained in step (4) under the vacuum aseptic condition. The products namely the canned mussel foods obtained by the method disclosed by the invention do not have apparent fishy smell, and haveunique delicate fragrance of seafoods. The method is reasonable in technology and advanced in technique, and can be widely applied to processing and production of the mussels.

The invention provides a method for constructing a hull reef by means of mytilus coruscus. The method comprises the steps that after juvenile mytilus coruscus is subjected to spat protection in a sea region, the mytilus coruscus is wrapped in a mesh bag made of papyrus, then the mesh bag wrapping the mytilus coruscus spats is put into a seawater pool for temporary culture, and mesh cloth falls off to obtain a spat rope; the spat rope is wound on a hull framework, after knots are tied for the mesh cloth, the spat rope and a hull sink into the sea at the same time, and construction is completed. According to the method, the mytilus coruscus naturally distributed in the East China Sea region is selected as a raw material, the mytilus coruscus is fixed to the artificial components with the help of materials such as flat hemp ropes and the papyrus mesh bag by means of the characteristics of byssus attaching and underwater natural distribution of the mytilus coruscus, and then the artificial components are together transferred and fixed to a three-without ship, so that the ship forms the mytilus coruscus-attached reef in the sea region. An artificial mytilus coruscus propagation technique method is provided, the fishing ship utilization rate is increased, and the time of forming a stable biome on the surface of the fishing ship is shortened.

The invention discloses the application of a nereistoxin compound in prevention of marine biofouling, and relates to the nereistoxin compound. The nereistoxin compound can significantly inhibit the attachment of a marine biofouling organism namely barnacles and inhibit shellfishes from generating byssi, has an efficient antifouling activity, and has low toxicity to a non-target organism namely fairy shrimps at the same time. The nereistoxin compound is obtained through biomimetic synthesis of natural organic compounds, is easy to degrade, is environment-friendly, and is high in safety; moreover, a synthetic process of the nereistoxin compound is mature, so that the nereistoxin compound is suitable for large-scale production, and has a great potential for scale application to marine antifouling paints.

The invention relates to upwelling cultivation facility of land-based shellfish. At least one aquaculture troughs are arranged inside a water tank, sieving nets are arranged on the bottoms of the aquaculture troughs, and holes are formed in the side walls of the water tank and the aquaculture troughs, one end of a drain pipe is connected with each hole, and the other end is located on the external side of the water tank, one end of a guide pipe is connected in a plugged mode with the drain pipe, the other end passing through one aquaculture trough is located inside the aquaculture trough; a water inflow pipe is located on the bottom of the water tank, a disc-type rotating water distributing device is arranged on the lower side of each aquaculture trough, the lower side of the disc-type rotating water distributing device is communicated with the water inflow pipe, the upper side is a rotary disc capable of making rotations, water outflow holes are formed in the rotary disc, the water stream passing by the water inflow pipe and into the disc-type rotating water distributing device is sprayed out through the water outflow holes, the rotary disc automatically makes rotations under the counter acting force of the water outflow stream. By the upwelling cultivation facility of land-based shellfish, water supplying is conducted on the aquaculture troughs by adopting the disc-type rotating water distributing device, no dead angle is hidden in the water stream, the rotation resistance is small, and intermittent agitation effect is achieved for shellfish capable of secreting byssus or with adhesive quality, and bio-contamination of the facility is prevented.