1319results about "Seaweed cultivation" patented technology

The invention discloses an algae biomass prediction method based on a bidirectional coupling hydrodynamic model and a physical information neural network, and relates to the field of algae biomass prediction.The algae biomass prediction method comprises the steps that firstly, water regimen data, water quality data and meteorological data are obtained and preprocessed, and then a hydrodynamic model based on a shallow water equation set is constructed; the model is coupled with a convection-diffusion equation and a wind stress-turbulence model so as to simulate spatial distribution of nutritive salt concentration, water temperature distribution and a vertical and horizontal mixing process driven by wind power; operating the model based on a time sequence of meteorological and water regimen data, and outputting multi-dimensional physical field data; thirdly, performing spatial interpolation on the water quality data to enable the water quality data to be in space-time alignment with grid nodes of the hydrodynamic model; a target loss function is constructed by taking a residual error in the shallow water equation set as a regular term, and a physical information neural network is trained to finally obtain a target prediction model; and the accuracy of algae biomass prediction and the robustness of the target prediction model are obviously improved.

The invention relates to the field of sewage purification, in particular to a fluorine-containing polymer chemical sewage environment-friendly purification device which comprises a fixed seat, a box body, a cover plate, a water inlet pipe, a water outlet pipe and the like, the fixed seat is fixedly connected with a box body made of a toughened glass material; the box body communicates with a water inlet pipe; the box body communicates with a water outlet pipe; the system further comprises an illumination sensor and the like. An annular groove is formed in the box body; the cover plate is fixedly connected with an illumination sensor. When sunlight is strong in daytime, the lamp tube is turned off, the electromagnet is powered on, the electromagnet and the magnetic attraction block attract each other under the action of magnetic force, then the electric guide rail I is controlled to enable the moving block I to drive the lamp tube to rotate, and then the lamp tube enables the electromagnet and the magnetic attraction block to pull the filter film which is in a folded state initially till the filter film is in an unfolded state; furthermore, strong sunlight is filtered through the light filtering film, so that the intensity of light entering the box body is reduced, and the situation that algae organisms are damaged by too strong sunlight and the activity of the algae is reduced is avoided.

Some aspects of the disclosure relate to composite materials and cultivation systems with particular utility for use in aquaculture, for example cultivating various species of seaweed. The systems comprise at least one highly tortuous and often micro-fibrous material and at least one material having low tortuosity. These systems may be configured in a variety of shapes and associated with a number of different structures. Some of these composite materials and cultivation systems may be used in both direct and indirect seeding of macroalgae plants such as seaweed.

To provide a substrate material for growing seagrass, a method for producing the substrate for growing seagrass, a shallow structure suitable for seagrass growth, and a method for constructing the shallow structure, which are applicable when nitrogen cannot be supplied from the underlying layer to seagrass such as eelgrass or when the nitrogen supply amount from the underlying layer is insufficient, and which enable suppression of redispersion into mud after immersion in water and resistance to drift caused by waves or tidal currents.SOLUTION: The substrate material for growing seagrass comprises, as a main raw material, granular matter with a particle size of 25 mm or less, which is formed by solidification of a mixed material obtained by mixing dredged soil, steelmaking slag, a strength-increasing agent, and a nitrogen-supplying material.SELECTED DRAWING: Figure 1

An equipment for in-situ restoration of sediment, including an amphibious platform and following devices provided on the amphibious platform: a screw suction device, one end of which is hinged to one end of the amphibious platform, and the other end can extend into the sediment for sucking up the sediment; a dehydration device that is provided downstream of the screw suction device and communicates with one end of the screw suction device; a sediment treatment device that is provided downstream of the dehydration device for treating the sediment and processing it into a planting base; a grass blanket processing device that is provided downstream of the sediment treatment device for planting submerged plants on the planting base to form a submerged grass blanket; a grass blanket paving device, one end of which is close to the grass blanket processing device, and the other end extends toward the screw suction device and into the water; a drainage pipe that respectively communicates with the dehydration device and the sediment treatment device; and a hopper through which the sediment is conveyed between the dehydration device and the sediment treatment device. In the invention, the highly polluted sediment is subjected to bio-safety disposal to form a planting base for the growth of submerged vegetation, so as to realize the in-situ restoration of the sediment of rivers and lakes.

The utility model discloses a sea grass seed rope laying and sowing robot, and relates to the technical field of marine ecological restoration. Comprising a carrying platform, a seed rope laying structure and a hydraulic transmission structure, and the seed rope laying structure and the hydraulic transmission structure are both integrated on the carrying platform; the carrying platform is further integrated with a frame, a bottom-attaching walking mechanism, a power supply and control mechanism, an underwater searchlight, a camera and a sensor. According to the utility model, sea grass seeds are pretreated and then wrapped in the galloon to form a seed rope which is used as a seeding belt loading medium, and laying and paying-off are automatically carried out along with walking of the carrying platform through a special paying-off pipe with a prism-like external shape and a built-in seed rope guide pipe, a hydraulic transmission structure, a spring structure, a sliding plate structure, a counterweight structure and the like in the laying structure; the sea grass seed sowing device and the sea grass seed sowing method have the advantages that the sea grass seed sowing device and the sea grass seed sowing method are simple and reliable, large-scale automatic mechanical operation can be realized, and the accurate sowing depth control is beneficial to greatly improving the emergence rate of sea grass seeds.

The utility model discloses a sea grass seedling rope transplanting device and relates to the technical field of marine ecological restoration. The sea grass seedling rope transplanting device mainly comprises a supporting walking structure, a seedling rope guiding frame structure and a seedling rope transplanting structure, wherein the seedling rope transplanting structure comprises a coulter assembly, a soil covering structure, a compaction wheel and the like; the device is tightly attached to the surface of a seabed to walk and operate under the action of self weight, artificial sea grass seedling or adult plant transplanting bundle units which are connected in series and bound by taking a rope belt as a medium are sequentially conveyed into C-shaped grooves formed by the coulter assembly under the action of the guide structure, and the transplanting operation is completed after the artificial sea grass seedling or adult plant transplanting bundle units are buried by the soil covering structure and compacted by the compaction wheel, so that construction can be assisted by manpower, and the transplanting efficiency is improved. The equipment is simple in structure, convenient to construct and operate on the sea, high in sea condition adaptability, free of loss of transplanting units, standard and normative in transplanting depth, and capable of greatly reducing the operation intensity, improving the operation efficiency and improving the transplanting seedling rate.

The invention provides an algae attachment bed for marine ecological restoration, and relates to marine ecological restoration, the algae attachment bed comprises a buffer shell, a first supporting frame and a second supporting frame are arranged on the two sides of the interior of the buffer shell in parallel, and an aeration structure is jointly connected between the first supporting frame and the second supporting frame; attachment structures connected with the first supporting frame and the second supporting frame are distributed on the outer side of the aeration structure, a linkage structure connected with the buffer shell is arranged on the surfaces of the multiple attachment structures jointly, and a driving structure fixed to the side wall of the buffer shell is installed on one side of the first supporting frame. Under the action of the driving structure, the first supporting frame and the second supporting frame can rotate synchronously. Through the linkage structure and the driving structure, the multiple attachment structures can rotate at a constant speed along with driving of the driving structure, so that the attachment structures at different positions can alternately rotate at the notch position to further make full contact with sunlight.

The utility model relates to a sea grass cultivation device which comprises a cultivation tank, a first water inlet, a first water outlet, a second water outlet and a cultivation chamber used for cultivating sea grass, the cultivation chamber is located at the bottom of the cultivation tank, and a matrix is laid in the cultivation chamber; the first water inlet is located in the first side of the cultivation tank. The first water outlet and the second water outlet are positioned on the second side of the cultivation tank; the water pumping assembly comprises a water pump and a water inlet pipe, the water inlet pipe is communicated with the first water inlet, and the water pump is arranged on the water inlet pipe; the drainage control assembly comprises a drainage pipe and a drainage control valve, the first water outlet communicates with the drainage pipe, and the second water outlet communicates with the drainage pipe through the drainage control valve; and the controller is connected with the water pump and the drainage control valve. The sea grass cultivation device capable of simulating the tide is favorable for better simulating the growth environment of the sea grass, so that the indoor simulation scientific research experiment result of the sea grass is closer to the natural state.

An industrialized fish and algae farming system with recirculating water and method are provided, and the system includes a fish and algae farming system, a fiber rotary disc filter system, and a magnetic loading flocculation system. In accordance with the fish and algae farming system, the aquaculture of fish and algae in the same space is achieved, the algae can transform CO2 exhaled by fish and nutrients, polysaccharides, vitamins and lipids, and then release oxygen to rapidly improve the aquaculture water quality. The fiber rotary disc filter system and the magnetic loading flocculation system can effectively remove suspended particles, grease, algae, bacteria, viruses and the like in aquaculture sewage, thus achieving the deep purification of the aquaculture sewage. The purified water quality reaches the aquaculture standards in fishery and can be directly recycled, and the whole system has no sewage discharge.

Aspects of seaweed bioreactor apparatus, methods, and systems are described. One aspect is a method comprising: scaling a seaweed biomass and a culture medium in a light-transmitting vessel located in a light-controlling enclosure; and sampling or harvesting the seaweed biomass without unsealing the light-transmitting vessel by: causing, with a controller, a light source to output an artificial light into the light-controlling enclosure that illuminates the seaweed biomass; outputting, with a sensor in communication with the controller, sensory data associated with the culture medium; modifying, with the controller, at least one of the artificial light or the culture medium responsive to the sensory data; intermittently mixing and cutting, with the controller, the seaweed biomass in the light-transmitting vessel; and removing a portion of the seaweed biomass from the light-transmitting vessel and the light-controlling enclosure. Related seaweed bioreactor apparatus, methods, and systems also are described.

An aquaculture system can include an aquafarm with one or more aquatic pods of aquatic organisms and a remote device to manage the aquafarm. An aquatic pod may be associated with an aquatic structure with a buoyancy system and a control device to automatically perform daily farming functions. The aquatic structure may include an enclosure to hold the aquatic organisms. The control device may be configured to use a smart buoyancy assistant to control the buoyancy system and to determine the farming task to perform in response to environmental stimuli. The remote device can receive data representing crop metrics, harvest results, and sensor data. The remote device can aggregate data from multiple aquatic pods and correlate the data to generate aquaculture models to improve the harvest results. The remote device can generate overview and maintenance reports for the aquafarm.

The invention discloses an integrated device for spraying and recycling foliar fertilizer and disease algae-removing medicine in an ebb-tide interval period for cultivating laver on a beach. The integrated device is designed for solving the problems of poor algae growth, rot and green algae invasion caused by uneven nutrition in a sea area. Universal wheels are arranged at the bottom of a tray, the height of the universal wheels is 30 cm, and the universal wheels adapt to hard mud of the mud flat; mechanical traction and traction round holes in the two sides are matched with a hand pull rod with a hook to achieve manual steering and power-assisted traction. According to the pesticide-fertilizer liquid spraying system, a liquid storage tank is connected with a front-end double-row atomization spray head set through a water pump, spraying is conducted from bottom to top, a raft frame rope net is covered, and the double-face pesticide receiving rate of the algae is increased. And the residual liquid recovery system comprises a flocculent filter pad for primary filtration, a conical bottom precipitation tank for standing and sand removal, a floating filter for three-stage filtration and residual liquid recovery to a liquid storage tank. By means of the device, leaf fertilizer and disease algae removal pesticide spraying and recycling are effectively implemented, the prevention and control efficiency is improved, the environmental risk is reduced, and green algae prevention and control and laver yield and income increase are achieved.

The invention relates to the technical field of aquaculture, in particular to a sea grape culture monitoring system and method, and the system comprises a data collection module which is used for collecting culture pond data and sea grape culture density; the water quality analysis module is used for constructing an activity index according to the pH value of the culture pond, the dissolved oxygen of the culture pond and the ammonia nitrogen concentration of the culture pond collected in the monitoring period, and analyzing the activity state of the sea grapes according to the activity index; the salinity analysis module is used for analyzing the salinity fluctuation abnormity of the culture pond, and the nutrition monitoring module is used for analyzing the nutrition state of the culture pond; the culture management module is used for managing the water flow speed of the culture pond in the next culture cycle according to the active state of the sea grapes in the culture cycle, the salinity fluctuation abnormity of the culture pond, the nutrition state of the culture pond, the culture density of the sea grapes and the water depth of the culture pond; and the output module outputs the management result of the water flow speed to a user. The culture monitoring efficiency of the sea grapes is effectively improved.

The utility model discloses a Shanghaeria seaweed culture bed and culture system, wherein the Shanghaeria seaweed culture bed comprises a support and a final singling structure, the support comprises a frame and a plurality of support tubes, the plurality of support tubes are connected with the bottom of the support, and the frame is provided with a plurality of openings; the final singling structure is arranged in the frame and comprises a first mesh and a second mesh, and the first mesh and the second mesh are detachably connected with the frame; and a gap is formed between the first mesh and the second mesh. According to the technical scheme, the supporting pipes are arranged, so that the solieria seaweed seedlings are separated from the bottom of the pond and can grow in a suspension mode, and the yield and the quality are improved; meanwhile, the first mesh and the second mesh are detachably connected with the frame, so that the first mesh and the second mesh can be conveniently connected and detached; an opening is formed in the frame and used for allowing a water body to enter the frame, so that the solieria seaweed culture bed can stably sink to the bottom of the water body; the solieria seaweed culture bed is simple in structure, low in price and convenient to use.

Through sourcing net-primary productivity additive algae-based biomass feedstock, the exclusive use of renewable energy in processing, and the appropriate formulation and processing, a novel algae-derived bio-based plastic is both carbon-negative and provides some performance advantages over existing algae-based film plastics especially with regard to optical clarity. A system may be provided that produces a carbon-negative bioplastic. The production of the bioplastic in a process chamber may be controlled by an electronic controller. The electronic controller may be controlled by a host system, such a server. The electronic controller may be configured to direct production of the bioplastic in the process chamber using hydrocolloid, which is derived from algae.

The invention belongs to the field of mariculture, and particularly relates to an oyster-sea urchin-undaria pinnatifida three-dimensional ecological breeding method suitable for a silt seabed. The method comprises the following steps: (1) construction of an oyster reef: hanging oysters in a silt sea area, and putting the cultured oysters to the seabed to form the oyster reef; (2) culturing undaria pinnatifida: culturing undaria pinnatifida above the oyster reef by adopting a buoyant raft; (3) putting sea urchin seedlings: putting the sea urchin seedlings by using the natural pore structure of the oyster reef as a sea urchin inhabiting place; (4) settlement feeding management: the cultured undaria pinnatifida is dropped to a sea urchin inhabiting area on the sea bottom to serve as sea urchin bait. Compared with a traditional single culture mode, the utilization rate of the culture space is increased by 3.2 times, the bait cost is reduced by 65%, the nitrogen and phosphorus load of a water body is reduced by 40%, meanwhile, the purposes that the growth speed of sea urchins is high, the survival rate is increased, the content of organic matter in sediments in an oyster area is reduced, and fresh undaria pinnatifida is efficiently utilized are achieved, and remarkable economic benefits and ecological benefits are achieved.

The invention discloses a composite type artificial fish reef which is characterized in that the artificial fish reef is composed of a bottom reef body, a middle reef body and a top reef body, a supporting leg mechanism is further arranged below the bottom reef body, the bottom reef body comprises an upper bottom reef body 1, the upper bottom reef body 1 is in a hollow regular n-prism frustum shape, and the middle reef body and the top reef body are arranged on the upper bottom reef body 1. The reef is formed by sequentially splicing n first side plates 2, each first side plate 2 is provided with a plurality of small permeable holes 3 distributed in an array mode, meanwhile, the center of each first side plate 2 is further provided with a large permeable hole 4, the bottom end of the upper bottom reef body 1 is connected with a lower bottom reef body 5, the lower bottom reef body 5 is in a hollow hemisphere shape, and the upper bottom reef body 5 is connected with the lower bottom reef body 5. And the lower bottom reef body 5 is also provided with a plurality of small permeable holes 3 which are distributed in an array mode.

Disclosed is a system for cultivating and harvesting a cyanobacterial biomass. The system comprises at least one vessel that, when in operation, grows the cyanobacterial biomass in a nutrient growth media under regulated growth conditions and a base unit configured to receive the at least one vessel. The system also comprises at least one light source and a cultivation air pump that, when in operation, supplies light, heat and air to the at least one vessel. Notably, the cultivation air pump supplied air via a one-way air valve in the at least one vessel. The system also comprises at least one photodiode that, when in operation, measure a cyanobacterial biomass concentration in the at least one vessel. Disclosed also is a method for cultivating and harvesting a cyanobacterial biomass.

The disclosure relates to the technical field of polluted sediment remediation, and particularly relates to a biochar-enhanced grass blanket for remediating contaminated sediment and a preparation method thereof, and a method for remediating contaminated sediment. In the disclosure, the grass blanket for remediating contaminated sediment prepared by the method can not only efficiently absorb pollutants released from the contaminated sediment but also facilitate the entry of the root system of submerged plants into the contaminated sediment simultaneously, thereby improving the survival rate of the submerged plant and effectively ameliorating the matrix of the contaminated sediment.

The invention discloses a three-dimensional ecological cultivation optimization method of seaweed gracilaria. The method comprises the following steps: acquiring growth data of gracilaria and target marine organisms under different cultivation conditions; establishing a constraint condition and a target function based on the growth data; wherein the objective function is established by performing weighted concentration on the resource utilization rate and the ecological health index; and based on the constraint condition and the target function, generating the optimal culture density of the gracilaria and the target marine organisms according to the ecological culture model, and generating a three-dimensional ecological culture scheme of the gracilaria according to the optimal culture density. According to the three-dimensional ecological breeding optimization method for the seaweed gracilaria, the generated three-dimensional ecological breeding scheme can reduce negative effects on the environment and promote ecological balance; and moreover, by reasonably controlling the culture density and variety matching, competition and conflicts among organisms can be avoided, occurrence and propagation of diseases can be reduced, and the culture efficiency of the gracilaria can be improved, so that the problem that the culture efficiency of the gracilaria is difficult to improve can be solved.

The invention discloses a submerged plant recovery and monitoring operation and maintenance method in ecological restoration, which belongs to the technical field of submerged plants and comprises the following steps: screening submerged plant planting cultivation materials, quickly cultivating submerged plant seedlings, determining underwater planting points and automatically planting the submerged plant seedlings by adopting an underwater robot. Inputting the plurality of initial planting point distribution results into an efficiency benefit prediction scoring model to obtain a prediction scoring value of each initial planting point distribution result, and determining underwater planting points based on the initial planting point distribution result with the maximum prediction scoring value; and monitoring and managing the recovered submerged plants. The problems that existing planting is low in efficiency, high in cost and low in survival rate are solved. By establishing a systematic system of submerged plant seedling cultivation, modular propagation, automatic efficient planting and intelligent monitoring and operation and maintenance, efficient modular cultivation of submerged plants can be achieved, the planting efficiency and the survival rate of the submerged plants are improved, and the planting cost is reduced.

The invention relates to an aquaculture system with a lighting device. The aquaculture system comprises a first aquaculture unit, a second aquaculture unit and a third aquaculture unit. The first breeding unit is used for breeding first organisms. The second breeding unit is configured to be of a combined structure and used for breeding a second organism and filtering granular excrement of the first organism. The lighting unit comprises a plurality of independently controllable light-emitting assemblies so that the lighting unit can generate time-related illumination with different wavelength bands at a plurality of depth positions in the first breeding unit, the second breeding unit and the third breeding unit. The light wavelength range of the plurality of light-emitting components is selected according to a first organism in the first breeding unit, a second organism in the second breeding unit and / or a third organism in the third breeding unit to be influenced, and the light period of the plurality of light-emitting components corresponds to the illumination time period of the first organism, the second organism and / or the third organism.

Compositions comprising microalgal extracellular vesicles (MEVs) formulated for intranasal delivery are provided, whereby upon intranasal administration, the MEVs are transported by a specific route, to specific regions in the brain via the olfactory nerve after intranasal administration, and to interconnected brain regions through the lateral olfactory tract (LOT). The MEVs are transported via neuronal axonal transport. The MEVs have the ability to cross synapses including: (i) synapses between olfactory sensory neurons (OSNs) and mitral / tufted neurons; (ii) synapses between mitral / tufted neurons and local neurons in multiple brain regions colonized by the lateral olfactory tract (LOT); and (iii) synapses between neurons in brain regions colonized by the LOT and neurons from the frontal cortex, hippocampus, thalamus, and hypothalamus. The compositions contain extracellular vesicles (MEVs) from microalgae loaded with bioactive cargo for the treatment, detection, diagnosis, or monitoring of diseases, disorders, or conditions of or involving the brain, particularly neuronal delivery of the cargo. The compositions and methods have multiple applications as therapeutic and diagnostic agents for the treatment, diagnosis, and monitoring of diseases, disorders, or conditions of or involving the brain. The compositions can be used in methods and uses for the treatment of cancers involving the brain, and can be used, for example, to deliver therapeutic agents for psychiatric diseases, disorders, conditions, and to deliver therapeutic agents for neurodegenerative diseases, disorders, and conditions.

The present invention addresses the problem of providing a technique for simply and efficiently producing macroalgae seedling clusters. The present invention solves the problem by providing a method for producing macroalgae seedling clusters that comprises: a step for obtaining a parent alga body that is substantially free from microalgae adhesion; and a step for culturing the parent alga body in which spore formation has induced to such an amount that the spore deposition density with respect to the inner wall area of a culture vessel is 103 spores / cm2 or more.

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

The invention relates to the technical field of marine planting, and discloses a seaweed planting device for marine ecological restoration, which comprises a frame, a buoyancy device is arranged above the frame, an attachment plate is arranged in the frame through an adjusting mechanism, and the adjusting mechanism is used for adjusting the angle of the attachment plate. A distance measuring mechanism is arranged on the front side wall of the attachment plate, an anchoring device is arranged at the bottom end of the frame, the adjusting mechanism comprises a first pull rod connected into the frame in a sliding mode, a fluted disc is fixedly connected to the end, close to the attachment plate, of the first pull rod, and the fluted disc is connected into the frame in a sliding mode. Through the structural arrangement of the adjusting mechanism, the problems that the spatial position cannot be dynamically adjusted according to the illumination condition, the illumination of algae on the lower layer of the base plate is insufficient, the growth of the algae is influenced, meanwhile, the wave impact resistance of the attachment plate is poor, the disturbance of sea waves and strong water flow is difficult to resist, and algae seedlings are difficult to stably attach are solved.

The invention discloses a method for cultivating green algae by recycling a laver cultivation net curtain, which comprises the following steps: firstly, cultivating laver, and cleaning the cultivation net curtain after the laver cultivation period is ended; then, enteromorpha spp attachment and cultivation nursing are carried out, and when the concentration of enteromorpha spores used for spp attachment is 104-105 / ml, the yield of enteromorpha reaches the highest; by means of the culture method, the optimal enteromorpha attached spore concentration can be obtained, the highest yield is obtained, and meanwhile the utilization rate of a sea area and culture equipment is remarkably increased.

The invention relates to the technical field of submerged plant planting, and discloses an intelligent submerged plant planting method and system based on bionic light compensation and a storage medium. The system comprises the steps that a bionic sea anemone tentacle flexible base disc is constructed, and a shape memory polyurethane fixing arm and a silica gel suction cup are arranged; preparing a three-layer gradient nutrient sustained-release microcapsule and loading the microcapsule into a nutrient cavity of the basal disc; a water depth spectrum attenuation coefficient is calculated through a chlorophyll fluorescence attenuation inversion algorithm, and a depth adaptive light compensation parameter is generated; degradable spiral barb ground anchors are adopted for fixing, and intelligent planting of submerged plants is achieved. The technical problems that anchoring is unstable, nutrition supply is not matched and light compensation is not accurate in the deep water area submerged plant planting process are solved, and the success rate and the ecological restoration effect of plant planting in the deep water area 3 m or above are improved.

The utility model discloses a sea grape culture device with a multilayer structure, which comprises a culture box body, a plurality of accommodating boxes are arranged in the culture box body, a plurality of soaking grooves are formed in the bottom ends of the interiors of the accommodating boxes, partition plates are arranged in the accommodating boxes, a treatment box is arranged on one side of the exterior of the culture box body, and a water tank is arranged on the other side of the exterior of the culture box body. A water guide pipe is arranged on one side of the treatment box, a water pump is arranged on one side of the water guide pipe, a first attaching plate is arranged on one side in the treatment box, the soaking tank, the first attaching plate, a second attaching plate, a water passing tank, a disinfectant, a flow dividing pipe and a coagulant are arranged, the water guide pipe is externally connected with a water source, and after the water pump is started, water is guided into the treatment box through the water guide pipe; the water is treated by the disinfectant and the coagulant, so that harmful substances in the water can be treated, the damage of a water source to the sea grapes is reduced, the culture conditions of the sea grapes are improved, and the culture quality of the culture device on the sea grapes is improved.