178 results about "Sea grass" patented technology

The invention relates to an artificial sea-grass field which is characterized by comprising a net cage; the net cage is provided with a seashell; an iron mesh is wrapped on the net cage; a fixed cable is arranged outside the iron mesh. During construction, sea-grass seeds are introduced to the seashell or a PE rope and wound on the net cage; the cable is used to levelly lay the net cage and fix the net in the depth of the sea. The price of the construction materials used by the invention is low, the raw materials are easily available, the operation is convenient, and the depth of the prior sea which is not suitable for the sea-grass to grow is improved, so that the depth of the sea is suitable for the sea-grass to be attached and grow. In the construction method, large sea-grass seedlings are introduced artificially, so that the construction success rate of the sea-grass field is high. The artificial sea-grass field can effectively prevent the eutrophication of sea areas, improve the water quality and restore the ecological environment of the sea areas; meanwhile, the sea-grass itself is the bait of marine organisms and the place of activities and egg laying, which can improve the biological diversity index of the sea areas.

The invention discloses a quick germination method of grass wrack seeds. The method comprises the following steps of: after the grass wrack seeds are washed clean, directly putting the grass wrack seeds into 0.5 percent low-salinity artificial seawater; putting the 0.5 percent low-salinity artificial seawater with the soaked grass wrack seeds into an incubator in the presence of constant temperature and illumination for culturing for 3 weeks to ensure that the grass wrack seeds germinate, wherein the holding temperature in the presence of the constant temperature and illumination is 12-16 DEG C, the illumination intensity is 40 mu molm<-2>s<-1> and the ratio of L:D is 12:12; leading the germinated seeds into a salinity raising and domestication stage: ensuring that the salinity of the artificial seawater for soaking the germinated grass wrack seeds is improved by 0.5 percent per day until reaching a normal seawater salinity of 3 percent; and then sowing the germinated grass wrack seedlings adapting to the natural seawater salinity in an appointed sea field. The method can ensure that the grass wrack seeds germinate quickly and completely and normally grow so that the probability of suffering from being swallowed by seed-eating organisms of the grass wrack seeds is greatly reduced and is beneficial to the recovery and reconstruction of sea grass meadows so as to quickly recover good marine ecological environment.

The invention relates to a recovery technology for sea ecology, in particular to a method for budding eelgrass seeds, cultivating seedlings and recovering a sea grass bed. Eelgrass seeds are collected and the collected seeds are manually preserved; the temperature of the eelgrass seeds is controlled for cultivating the eelgrass seeds; the eelgrass seeds are activated to bud; and after the seeds bud, eelgrass seedlings can be planted or cultivated to a natural sea area suitable for the growth of eelgrass in respective four cultivating stages so as to form the sea grass bed and realize the recovery of the sea grass bed of the eelgrass. In the invention, the problem that most of the eelgrass seeds cannot be converted into an eelgrass adult plant under a natural sea area condition is solved; the cultivated eelgrass seedlings can be planted or cultivated into the natural sea area in respective four stages; and the budding success rate of the eelgrass seeds and the adult success rate in thenatural sea area are obviously increased.

The invention discloses a drainage pump station forebay filtering device for irrigation, and belongs to the technical field of drainage pump station forebay filtering devices for irrigation. The device comprises a filter box, a rotating shaft is rotatably connected to the middle of the top of the filter box, the front end of the rotating shaft penetrates through the filter box and is fixedly connected with a first driving mechanism, four filter plates are distributed on the circumference of the rotating shaft at equal intervals, and a cutting groove is formed in the position, between filter holes, of the top of each filter plate; the second driving mechanism drives the first scraper to automatically clean the filter plate, and the sea grass on the top of the filter plate is cut so that when the filter screen needs to be cleaned, manual operation is not needed, the irrigation water filter screen is automatically cleaned, time and labor are saved, easy-to-wind impurities such as the seagrass on the filter screen can be removed at a time, and the filtering efficiency of irrigation water is improved.

Aiming at solving the existing problems that an existing repairing method of a zostera marina seagrass bed is low and a germination rate of seeds is low, the invention provides a cultivation method of zostera marina artificial sea turfs. Seed propagation is used in the cultivation process, existing seagrass bed resources do not need to be damaged, and a group genetic diversity of a repairing area is increased. A seedling grows in a 'seedling base' in an earlier stage, substrate particle size is small, nutrition is rich, rhizomes of the seedling grows fast, a survive rate of the seedling is high, adaptability to a transplant sea area is strong, and the cultivation method of the zostera marina artificial sea turfs is applicable to a new-built seagrass bed and overcomes the shortcoming that direct seed sowing is low in germination rate.

The invention provides a fishing platform with a floating type artificial fish reef. A fishing platform body and simulated sea grass ropes are applied to the fishing platform. The fishing platform with the floating type artificial fish reef is characterized in that a bottom frame of the fishing platform body is formed by six sealed frame bodies. The six sealed frame bodies are arranged from outside to inside from large to small. Every two adjacent frame bodies are fixedly connected through connecting pieces with parallel tubes. Wooden boards are paved on the bottom frame of the fishing platform body. A guardrail is arranged on the periphery of the fishing platform body. The distance between the guardrail and the bottom frame of the fishing platform body is 0.7m. A sunshade frame is connected to the upper portion of the guardrail. The guardrail is connected with the sunshade frame through three-way joints or four-way joints. The bottom frame of the fishing platform body is connected with and fixes the simulated sea grass ropes. A rope net is formed according to the layout of the simulated sea grass ropes, and the bottom end of each simulated sea grass rope is tied to a corresponding node position of a rope frame. The bottom end of each simulated sea grass rope is provided with a 10kg sinker. The four corners of the bottom frame of the fishing platform body and the four corners of the rope frame are connected with anchors fixed to the seabed through anchor ropes.

The invention discloses a seeding method of seaweed seeds, which comprises the following steps of: selecting the locally produced proper seaweed seeds and proper superficial benthic bivalve organisms of a planting sea area; preparing glutinous rice flour slurry; smearing the glutinous rice flour slurry on the shell surfaces of the proper superficial benthic bivalve organisms which are wiped cleanly; sticking the seaweed seeds to the glutinous rice flour slurry on the superficial benthic bivalve organisms; and broadcasting the superficial benthic bivalve organisms stuck with the seaweed seeds at an appointed sea area. As an improvement, seaweed seed embryos relatively to one side are stuck to the glutinous rice flour slurry, and the seeding density of the seaweed seeds is more than 200 grains per square meter. The seeding method is simple and effective and has low cost, and the whole preparation and seeding work is carried out on water, thereby saving human and material resources required by underwater operation. In addition, the seeding method can avoid the damage to seabed benthonic organisms, an adhesive is nontoxic and harmless and is rapidly degraded, locally fished local species are selected as carrier organisms, and a problem of biologic security does not exist.

The invention relates to a recovering and rebuilding technique of a sea grass bed, in particular to a ecological recovering method of a sublittoral zone Zosteraceae sea grass bed, which is characterized in that: clay and fine sand are made into mud barrel, Zosteraceae plants are filled inside the mud barrel, the mud barrel is fulfilled with fine sand, an opening of the mud barrel is sealed, the mud barrel with the Zosteraceae plants is thrown into an appropriate sea area so as to carry out the ecological recovery of the Zeosteraceae sea grass bed, and the density of the Zosteraceae is 50 to 200 per square meters. Due to the adoption of the ecological recovering method, the problem that sea grass is difficult to transplant in deep seabed of the sublitoral zone can be solved, and the recovery or rebuilding of deep sea Zosteraceae sea grass bed can be conveniently and rapidly carried out by also adopting a simple and effective Zosteraceae transplanting method. Materials utilized in the method are free from polluting the sea are.

The invention discloses an anti-erosion protection device for an offshore wind power pile foundation. The anti-erosion protection device comprises a clamp ring and an anti-corrosion curtain arranged on the periphery of the clamp ring, wherein first ballasts and second ballasts are arranged on the anti-corrosion curtain at intervals, the directions of the first ballasts are as same as the radial direction of the clamp ring, the directions of the second ballasts are as same as the circumference direction of the clamp ring, and the anti-corrosion curtain is provided with sea grass-shaped materials. The invention further discloses an installation method of the anti-erosion protection device for the offshore wind power pile foundation. According to the provided anti-erosion device, the overallprotection effect can be achieved, and the anti-erosion effect is guaranteed; and the provided installation method can effectively save the installation time.

The invention discloses a method for preserving zostera marina seeds and zostera caespitosa seeds, which comprises the following steps of: preparing artificial seawater with the salinity of 45psu to 70psu by using artificial seawater elements and pure water; directly putting the cleaned zostera marina seeds and zostera caespitosa seeds into a container filled with the artificial seawater; keeping the artificial seawater soaked with the seeds at the temperature of between 4 and 14 DEG C; and preserving the seeds in an environment with the light intensity of 20mu mol / m<-2>s<-1> and the photoperiod L:D=12:12, wherein the optimal holding temperature is 4 DEG C. The method can reduce the accumulated germination rate of the zostera marina seeds and zostera caespitosa seeds, prolong the preservation time of the seeds, and keep the higher vigor and quality of the seeds. By adopting the method of the invention, high-quality zostera marina seeds and zostera caespitosa seeds can be provided for artificial seeding, so the method is favorable for restoring and reconstructing sea grass lands, and provides a basic support for the quick and well restoration of marine ecological environment.

The invention relates to a seaweed transplanting device, comprising that a frame is rounded by four wallboards; two sides of the wallboards at the junction are provided with a connecting line respectively and are connected by two round holes; a withdrawable base plate is placed on a slideway which is fixed at the lower edge of the inner side of the wallboard, and a hand hole is opened on the base plate; a welding handle is fixed at the outer flank of the wallboard; one of the connecting lines at the junction of the two sides of the wallboards can also be replaced with a latch. The constructed seaweed transplanting device can collect the seaweed with substrate sludge for transplanting, is beneficial to the rooting and growth of the seaweed, has the advantages of simple manufacture, stable structure and convenient operation, is convenient for recycling at the same time and is a seaweed transplanting device or other aquatic plants transplanting device which is suitable for our national conditions.

An ecological, high and stable yield method for an apostichopus japonicas pond comprises steps as follows: an apostichopus japonicas cultivation pond and an adhesion matrix are established, and according to the biological habit requirements of apostichopus japonicas, the pond which is suitable for the apostichopus japonicas to grow is established in combination of actual conditions; apostichopus japonicas seeds are put as follows: under the general condition, more than 600 pieces / kg of large seedlings are put according to the appropriate specification of 10 pieces per square meter to 20 pieces per square meter, and the larger the specification is, the less the seedlings are put per unit area; the management of the apostichopus japonicas seeds is as follows: more water is added to the pond when winter comes, and changes of dissolved oxygen and bottom materials are paid more attention; and prevention and control of sea grass are as follows: when the temperature of water in the pond rises in spring, fertilizer is firstly added to reduce water transparency, and the breeding of the sea grass is controlled.

The invention relates to sea grass bed restoration and reconstruction technologies, in particular to a subtidal zone eel grass sowing and planting method. The method includes: using clay and fine sand to make a mud box, well mixing the seeds of eel grass with appropriate amount of fine sand and placing the mixture into the inner cavity of the mud box, sealing the opening of the mud box, throwing the mud box filled with the seeds of the eel grass into the sea of appropriate sea areas so as to perform eel grass bed ecological restoration, wherein the sowing density of the seeds of the eel grass is 1-1.5 kilograms per mu. By the eel grass sowing method simple and efficient, the problem that sea grass sowing at seabed of deep subtidal zone water areas is difficult is solved, eel grass bed restoration or reconstruction of deep subtidal zone water areas can be performed conveniently and fast, and the materials used by the method cause no sea area pollution.

The invention discloses marine garbage pollution intelligent integrated recovery processing equipment. The equipment comprises a vehicle body, wherein a shoveling device, a conveying device, a sand filter device, a feeding and delivering device, a weight screening device, at least one group of sea grass mincing device, a sea grass screening device, a big rock screening device and a shell screeningdevice are arranged on the vehicle body in sequence. According to the marine garbage pollution intelligent integrated recovery processing equipment, the structure is reasonably designed, equipment space is saved, the various sets of equipment are in compact arrangement, sand materials on the beach are collected firstly, fine sands are filtered out, then the materials are screened through the weight screening device, the materials that are easy to float on water such as sea grass and light garbage are separated from materials such as the shell and the rocks firstly, then the sea grass is minced and separated, and separation and collection of the sea grass and light garbage is realized; after heavy materials sinking under water are separated out, big rocks in the heavy materials are separated out, then the shells, broken shells and small rocks are separated finally, so that the separation and collection of the heavy materials in the beach is realized.

The invention relates to the technical field of biological fertilizers, in particular to a biological bacterium compound leaf surface fertilizer and a preparing method and application thereof. The biological bacterium compound leaf surface fertilizer comprises seaweed dry powder, complex microbial inoculants, molasses and monopotassium phosphate according to weight parts. The complex microbial inoculants include bacillus subtilis, bifidobacterium, trichoderma and lactobacillus plantarum. The biological bacterium compound leaf surface fertilizer well promotes the precocity of crops and improvesthe yield of the crops.

The invention discloses special chicken feed and a preparation method thereof, and belongs to the technical field of feed. The special chicken feed is made of raw materials including, by weight, 50-80 parts of corn, 10-20 parts of bean pulp, 15-25 parts of sea grasses, 3-6 parts of shell powder, 2-5 parts of tea leaves, 0.2-0.9 part of salt and 1-5 parts of Chinese herbal medicine residues, wherein the Chinese herbal medicine residues include astragalus residues, dangshen residues, tuckahoe residues, white mulberry root-bark residues, plantain seed residues, white atractylodes rhizome residues, radix sileris residues, licorice residues, angelica residues and dangshen residue mixture with the weight ratio of 1:1:1:1:1:1:1:1:1:1. According to the method, the Chinese herbal medicine residues are sufficiently combined with algae and sea grasses causing seawater pollution, the morbidity of chickens can be reduced, the immunity of the chickens is improved, and waste utilization can be achieved.

The invention provides a bamboo willow culture solution and a bamboo willow culture method. A rooting agent and monopotassium phosphate are added into the culture solution, and therefore bamboo willows can be promoted to root and grow. A sea grass extracting solution is added into the culture solution, and therefore the salt tolerance of the bamboo willows obtained through culture can be improved. The culture solution has the advantages that nutritional ingredients are abundant, the salt tolerance of the bamboo willows can be improved, and the survival rate of the bamboo willows can be increased. The invention further provides a preparation method of the bamboo willow culture solution. According to the method, the raw materials are mixed to prepare the bamboo willow culture solution. The method has the advantages that the operation method is easy and convenient, and the obtained culture solution is good in effect. The invention further provides the bamboo willow culture method. By means of the culture solution, the salt tolerance of the bamboo willows obtained through culture can be improved, and the survival rate of the bamboo willows obtained through culture can be increased.

The invention discloses a sea grass fiber mattress and a preparation method thereof. The sea grass fiber mattress is prepared from raw material mixture by means of lapping and hot-air through shaping, and comprises, by weight, 30-60% of first plant fibers, 20-40% of second plant fibers and 20-50% of adhesive fibers. The preparation method includes the steps of lapping, hot-air through shaping and cold-air through cooling. The sea grass fiber mattress is free of formaldehyde release and glue smell, difficult to become damp, mould and be moth-eaten, flat in surface, uniform in thickness, good in hygroscopicity, firm in fiber combination and high in tensile strength.

The invention provides a seaweed compound for auxiliary treatment of type 2 diabetes and a preparation method thereof. Concretely, extracts of ascophyllum nodosum, gulfweed, sea grass, fucus, wakame and eucheuma are taken as seaweed complex agents, and extracts of inonotus obliquus and phellinus igniarius are added in an auxiliary mode. The compound provided by the invention is prepared by compounding effective extracts of sea-source and land-source medicinal and edible dual-purpose materials. Through pharmacodynamic verification, the seaweed compound can obviously reduce the fasting blood sugar of type 2 diabetes so as to realize prevention and auxiliary treatment of type 2 diabetes, and can be prepared into capsules, granules, tablets, pills or solutions.

The invention relates to a sea floor sedimentation promoting technology, in particular to a sea floor corrosion-resistant and sedimentation-promoting system and the application thereof. The sea floor corrosion-resistant and sedimentation-promoting system includes fixing man-made seaweed with a net-shaped flexible frame structure to the sea floor structure through an anchorage system; the man-made seaweed has flexible branches and trunk, the seaweed lamina has a curtain-shaped structure, pressed strings pass through on the flexible branches and trunk to form a string-shaped structure flaky structure capable of naturally dispersing, the bottom of the branches and trunk is connected with the flexible frame structure connecting on the anchorage system. The anchorage system is composed of a retractable elastic lamina, a support bar tied with a cable and a stud. The topmost part of the lamina is fixedly connected with the support bar, which is integrally arrowhead structured, the support bar is grafted with the stud, the free end of the cable tied on the support bar is connected with the flexible frame. The sea floor corrosion-resistant and sedimentation-promoting system is characterized by better effects of corrosion resistance and sedimentation promoting management, simple structure, convenient installation and processing, and low cost.

The invention discloses a preparation method and an application of an edible food packaging film taking sea grass polysaccharide as a substrate. The technological technique comprises the following steps: adopting hot water and sodium hydroxide to leach sea grass polysaccharide, preparing a certain amount of sea grass polysaccharide immersion liquid phospholipid, modified starch, CMC, glycerol, gelatin and the like into filming liquid, reacting for a certain time at a proper temperature, reversely putting the filming liquid after air exhaust in a tray with a rim, drying, taking off a film and preparing an edible film. The invention provides a novel approach for the high-value utilization of sea grass; the technique is scientific, reasonable, simple and practicable and has low cost; and the edible film has favorable extensibility, tensile strength and anti-oxidation function and is semitransparent. A product is safe and effective, has no toxic or side effect, has double actions of packaging and nutrition and has extensive market prospect.

The invention relates to a sea grass transplanting device used for a diver, comprising a base plate provided with two vertical plates and four uprights which are arranged on the base plate, are connected with the vertical sides of the vertical plates and have square cross sections, wherein the uprights at the two sides of one vertical plate are all sheathed with one sliding sleeve fixed on the upright in a sliding way, and one side of the sliding sleeve corresponding to the vertical plate is rotatably connected with a rotary rod; the other end of the rotary rod is connected with an elastic rope one end of which is provided with a hook; four hooks are arranged on the base plate below two rotary rods; and two fixing straps are also arranged below the base plate. When in use, the device is bound on the arm, leg or waist of the diver; sea grass is placed between the base plate and the vertical plates, then the rotary rods are rotated to press the sea grass, the elastic rope is tensioned, and the elastic rope is sequentially hung on the hooks and the rotary rods. The sea grass transplanting device provided by the invention has simple structure, use convenience, low cost and durability, the time for picking and placing sea grass is saved, the sea grass transplanting cost is greatly reduced, and the efficiency for acquiring and planting the sea grass is improved.

The invention relates to water conservancy power generation equipment with a protection function for the seabed. The water conservancy power generation equipment comprises a base, supports, blades anda power generator, and further comprises a protection mechanism and a stabilization mechanism; and the protection mechanism comprises a protection cover and a cutting assembly, and the stabilizationmechanism comprises a stabilization block, a lifting mechanism and a rotation mechanism. According to the water conservancy power generation equipment with the protection function for the seabed, blades are protected through the protection mechanism, so that sundries such as sea grass can be prevented from being wound on the blades, normal work of the water conservancy power generation equipment can be ensured, the damage probability of equipment can be reduced, and the service life of equipment can be prolonged; secondly, the base is further fixed in gravel through the stabilizing mechanism,the probability of looseness between the base and the gravel is reduced, and therefore the stability of the equipment is improved.

The invention relates to a one-year-four-harvest ecological high-efficiency cultivation technique for a potato, spring corn, a long bean and dried sea grass. Such a one-year-four-harvest cultivation technical mode not only has an interplanting element, but also includes seedling transplantation. According to the growth and development properties of various vegetable varieties, natural resources ofland crop rotation, a climate and the like are skillfully utilized; crop varieties of a vegetable and the like are enabled to achieve the perfect combination with a climatic condition; a corn stalk is utilized as a rack material of a next-rotation bean, so as to improve the occasion; an adverse factor is changed into a favorable factor; the cost is decreased; the labor is reduced; the benefit isincreased; a market resource is skillfully utilized; a seasonal vegetable in short supply is enabled to reflect higher value and the precedent that outdoor grain and the vegetable are subjected to multiple cropping in an interplanting manner and the output value per mu is 20,000RMB or above is created.

A process and apparatus for planting aquatic plants underwater on the bottom of estuaries in propeller scars and for encouraging plant growth in propeller scars. Aquatic plant shoots are transplanted by positioning shoots in a sediment tube which is in turn placed in the propeller scar. When the sediment tube is placed in the propeller scar the sea grass shoots are held in position for an extended period of time to allow the sea grass shoots to take root on the estuary bottom. The sediment tubes may be preformed or they may be formed just prior to their placement in the estuary. A watercraft may be used to position the sediment tubes with and without sea grass shoots over an area of the propeller scar. With the process and apparatus of this invention, sea grass plants can be replanted on the bottom of an estuary and new plant growth encouraged in propeller scars. Further in accordance with another embodiment of this invention a tube or other obstruction without plant shoots is placed in a propeller scar in order to impede water flow through the propeller scar. When water flow through the propeller scar is impeded natural plant growth is encouraged.

A marine pier system employing a payload transport device for transporting persons and material from land to marine craft moored at a distal end of the pier. The payload transport is a movable deck having an electric motor powered by batteries for use in moving the deck and persons / material placed on the deck. The payload transport device is self-contained allowing freedom of movement along a support system eliminating the necessity for decking along the length of the pier. The absence of decking provides a structure upon which wind and wave action and deterioration from sunlight and weathering has little destructive effect, and further allows sunlight to reach the aquatic life below the surface of the water. The movable transport device further permits sunlight to reach all areas of sea grass that are shaded by movement of the transport device to a non-sensitive area when not in use.

The invention discloses an artificial sea-grass field proliferation method which comprises the steps of seedling adhering, growth, mooring point change and fixation and enables the sea-grass field proliferation to have higher flexibility and environmental remediation speed. The invention also discloses a special multi-mooring point submersible device for artificial sea-grass field proliferation, comprising a cover body with a downward opening and a baseplate which is matched and connected with a bead of the cover body, wherein the cover body and the baseplate enclose a hollow cavity; an air-filling device penetrates the cover body and partial air-filling device in the cavity is connected with an airbag device; the baseplate is provided with at least a through hole; and the outer surface of the cover body is provided with connecting rings. The device enjoys easy movement, convenient use, reasonable structure, low cost, difficult damage of the airbag device and high reliability, has high efficiency of environmental conservation and remediation compared with the prior art and has good application prospect.

The invention discloses a semi-submersible sea grass cultivation device. The device comprises a supporting frame, floating systems, sinkers and anchor systems; the floating systems comprise floaters and connecting ropes, the anchor systems comprise anchors and connecting ropes, and the floating systems are connected to the upper end of the supporting frame; the sinkers and the anchor systems are connected to the lower end of the supporting frame; a cultivation layer used for cultivating sea grass is arranged in the supporting frame, and a covering layer with sieve holes is arranged above the cultivation layer. According to the device, few sea grass sources can be utilized, and a large quantity of sea grass resources which can be used for repairing a sea grass bed are obtained through fieldcultivation.

The invention belongs to the technical field of rare-earth ore processing, and specifically discloses a recycling method for ion type rare-earth ore smelting and separating magnesium salt wastewater.The recycling method comprises the following steps of: (1) preparing a plant A extracted component: getting, mixing and crushing laver, kelp and dried sea grass, adding distilled water to soak for 10-12 hours, performing ultrasonic extraction, filtering, separating and filtering; (2) preparing a plant B extracted component: mixing and crushing false physalis, clover and creeping oxalis, adding distilled water to stir and soak for 10-12 hours at certain temperature, performing ultrasonic extraction, filtering, separating and concentrating; (3) adding the plant A extracted component into magnesium salt wastewater, stirring at the normal temperature, adding lime milk to react after regulating the temperature, and leading in CO2 gas to react to obtain a magnesium bicarbonate solution; and (4)adding vegetable gelatin into the magnesium bicarbonate solution, standing after adding microorganisms, and extracting and separating to obtain a rare-earth product and treated magnesium salt wastewater after adding the plant B extracted component and naphthenic acid.

The invention discloses a seaweed seed sowing device, and relates to the technical field of sowing devices. The seaweed seed sowing device comprises a cart assembly and a sowing system; the cart assembly comprises a cart, a ditching device and a soil covering device, and the ditching device and the soil covering device are arranged on the cart; the sowing system is arranged on the cart and comprises a frame body, a driving assembly and two sowing assemblies symmetrically arranged at the two sides of the frame body, and each sowing assembly comprises a seed taking and discharging pipe, a watertank and a slider-crank mechanism, wherein the water tank is arranged on the frame body, the slider-crank mechanism comprises a slider slidably arranged on the frame body, the seed taking and discharging pipe is fixedly connected with the slider, a seed taking opening is formed in the side wall of the seed taking and discharging pipe, a water inlet is formed in the bottom end of the water tank, the seed taking and discharging pipe and the water inlet are oppositely arranged, and the size of the water inlet is smaller than that of seeds and larger than or equal to that of the seed taking and discharging pipe; and the driving assembly is in transmission connection with the two slider-crank mechanisms. The seaweed seed sowing device is simple to operate, low in cost, high in efficiency and beneficial to seed germination.