40results about How to "Improve facility utilization" patented technology

The invention discloses a spatial soilless vegetable planting method. The method is characterized by comprising the following steps: a. selecting two or more raw substrate materials such as biogas residue, furnace slag, grass carbon, decomposed fermentative crushed crop straw, decomposed fermentative crushed wood shavings, decomposed fermentative sawdust, decomposed fermentative lees and decomposed fermentative spent mushroom, and mixing the selected raw substrate materials to prepare a culture substrate; b. erecting a spatial cultivation groove in the existing facility space; c. installing a drip irrigation system, d. planting vegetable crops on a suitable upper layer and a suitable lower layer of the cultivation groove; and e. cultivation management. In the method, the vegetable cultivation is realized by carrying the culture substrate in a certain frame groove to artificially make an 'artificial land' in the limited facility space, the soilless vegetable cultivation is convenient as land cultivation and needs no nutrient solution, and the organic substrate and solid fertilizers provide nutrients necessary for growth and development of the vegetables, which can be accepted by vegetable growers, can improve utilization ratio of the facility by 50-200%, reduce cost by 30-60% and increase yield by 50-100%.

The invention provides a scenic area tourist chain travel integration providing method, and relates to the technical field of tourism service software development. The problem of poor travel experience caused by lack of effective real-time data guidance during the travel of a tourist is solved. The method comprises the steps of real-time prediction of the crowding degree of queuing in a scenic spot, accurate optimal travel route pushing and mining and analysis of feedback data of tourists. The method specifically comprises the steps that the information of a scenic area and the number of tourists in each scenic spot are recognized and calculated; the crowding degree of the scenic spot is determined according to an evaluation index, and the crowding degree is visually displayed on a map toprovide tourists with intuitive judgment; and at the same time, according to the user geographic coordinate and user demand data of a system platform, a path optimization algorithm is used to accurately recommend a reasonable route. The queuing waiting time of a user is minimized, and the traffic experience is improved. In order to form benign feedback, data used by tourists are analyzed to acquire scenic spots prone to serious queuing crowding and the preference for different recommended routes.

The invention discloses a novel soilless culture system which belongs to the field of soilless culture. An outlet of a nutrient solution pool (1) in the system is connected with a liquid inlet of a liquid containing tank (6) via a water pump (3), and a liquid outlet end of the liquid containing tank (6) is connected with an inlet of the nutrient solution pool (1) via a liquid return main pipe (9); two or more liquid containing tanks are connected in parallel, a culture pot or culture bag is arranged in the liquid containing tank (6), and a disinfection device (11) and the nutrient solution pool (1) form a loop for disinfecting nutrient solution independently; and the liquid outlet ends of the liquid containing tanks (6) have two structures both of which can meet the requirement of tide-type irrigation. The system can realize the tide-type irrigation and the enclosed recycling use of the nutrient solution simultaneously, is suitable for the soilless culture of crops such as vegetables, flowers and the like, and has the advantages of simple technology and equipment, low cost, stable and reliable operation and the like.

The invention provides an urban global traffic facility bearing capacity evaluation method based on a dynamic model. A dynamic model allocation method is used as a basis; by means of a traffic four-stage model of land utilization, the population employment scale under land utilization is analyzed and planned, the total traffic demand and traffic travel space distribution are calculated, the accessibility and service characteristics of various traffic facilities such as urban roads, buses and rails are considered to calculate the supply capacity, and the traffic facility bearing capacity is scientifically evaluated; according to the evaluation method, an organization mode of 'multiple feedback of traffic land from the whole to the part' is adopted, the coordination degree of traffic facilities and land utilization on the whole level of the whole city can be evaluated, and optimization suggestions can be provided on the local level. The evaluation method can be directly applied to territorial space planning, urban general regulation, land development intensity demarcation and the like, guides reasonable scale and layout of land utilization, and realizes matching of the land development scale and traffic facility capacity.

The invention discloses a plug seedling substrate of tomatoes and a preparation method. Peat is taken as the material; excrements of livestocks are taken as earthworm foodstuff; environment suitable for the growth of earthworms is provided; wormcast which is processed and generated by the earthworms is sieved to obtain wormcast compost with the grain size being 1-4mm; and the peat and the wormcast compost are fully mixed; mineral materials with a certain fineness such as expandable vermiculite, perlite and the like are added to improve the physical properties and the buffer performance of the substrate to generate a novel tomato seedling substrate. The percent by volume of various components are that the peat accounts for 15-25%, the wormcast compost accounts for 55-65%, the expandable gardening vermiculite accounts for 5-15% and the perlite accounts for 5-15%. The plug seedling substrate disclosed by the invention has the advantages of simplicity in preparation method, richness in resource, low cost of materials, turning waste into wealth, reducing environmental pollution and sufficient nutrient. The plug seedling substrate is used for the plug seedling of tomatoes, eliminates top application during seedling raising, improves the quality of tomato seedlings and reduces the pesticide application. Thus, the seedling quality is ensured, the cost and the labor are saved and the survival and the high-quality and efficient growth of the tomato seedlings, the yield and the construction of quality are ensured.

The invention discloses a method for maintaining and reproducing an evergreen lawn. The method includes technological steps of (1), selecting a warm-season lawn green land and determining rejuvenation and maintenance time of a lawn; (2), taking rejuvenation and maintenance measures; (3), manufacturing a cold-season soil-free grass carpet; (4) selling the cold-season soil-free grass carpet and restoring the growth of the warm-season lawn. The method has the advantages that the built lawn is rejuvenated and maintained on the same lawn area, the new lawn with the area one to two times that of the built lawn is reproduced simultaneously, accordingly, the green period of the built lawn is prolonged, the new lawn with the large area is reproduced, and a novel mode for maintaining and reproducing the evergreen lawn is formed; the land productivity is high, the production cost is low, and economical, social and environmental benefits are obvious; as observed by tests, manufacture of the soil-free grass carpet rarely affects the lawn of the green land, and the growth of the lawns is unaffected even if dormant periods in different years are properly shortened.

The invention discloses a method for grating potted seedling cultivation of watermelon in summer. The method includes the following steps: (1), preparing a matrix; (2), priming stock seeds; (3), managing a stock seedling bed; (4), priming scion seeds; (5), grating; (6), managing when grafted seedlings survive; (7), managing after the grafted seedlings survive; (8), hardening and strengthening seedlings. By the method, strong grated watermelon seedlings can be cultivated in a batched manner, seedling cultivation production efficiency is improved remarkably, facility utilization rate is increased, manpower is reduced, and cost is lowered. The method is convenient in management, easy in operation, conducive to uniform management and popularization of new varieties and new technology, so that a lot of producers can be benefited directly.

The invention discloses a tomato plug seedling matrix and a preparation method thereof. Local peat is used as the material; poultry excrement is used as the earthworm feed; an environment suitable for the growth of earthworms is provided; the wormcast generated by processing the earthworm is sieved into wormcast compost of which the particle size is 1-4mm; the peat and the wormcast compost are uniformly mixed and mineral materials such as expansible vermiculite of certain fineness are added so as to improve the physical property and the buffer performance of the matrix and form the novel tomato plug seedling matrix. The volume percents of the components are that the peat is 5-15%, the wormcast compost is 55-65%, and the wormcast gardening compost is 25-35%. The tomato plug seedling matrix is simple in preparation method, rich in resource, cheap in material, less in environment pollution, abundant in nutrition and stable in property, and when the tomato plug seedling matrix is used for tomato plug seedling, the additional fertilization during the seedling period can be completely or partially avoided, the tomato seedling quality is improved, the pesticide application is reduced, labor and cost are saved while the seedling quality is ensured, and reliable guarantee is provided for the survival, the high-quality and high-efficient growth and the establishment of output and quality of transplanted tomato seedlings.

The invention discloses an intelligent charge-discharge control method for an electric vehicle. The method comprises the following steps: acquiring voltage waveforms of a power grid; performing mathematical morphological transformation to the voltage waveforms of the power grid and extracting the corresponding form characteristic curve of the power grid; inputting the form characteristic curve of the power grid to a nerve network and judging the load status of the running power grid; and utilizing the load status information of the power grid, as well as the peak-valley progressive pricing and the charging requirement of users, to draw up the charge-discharge control strategy. According to the invention, the electric vehicle and the intelligent power grid are integrated to improve the charging economical efficiency and convenience for electric vehicle users; the running efficiency of the power grid is improved through intelligent charging management of the electric vehicle; and besides, the invention has significance on scientifically and reasonably planning the construction of charging facilities and distribution networks, reducing the construction investment on construction of the distribution networks, which is caused by large-scale electric vehicle charging, improving the facility utilization ratio and improving the economical efficiency in construction of the charging facilities.

The invention discloses a novel soilless culture system which belongs to the field of soilless culture. An outlet of a nutrient solution pool (1) in the system is connected with a liquid inlet of a liquid containing tank (6) via a water pump (3), and a liquid outlet end of the liquid containing tank (6) is connected with an inlet of the nutrient solution pool (1) via a liquid return main pipe (9); two or more liquid containing tanks are connected in parallel, a culture pot or culture bag is arranged in the liquid containing tank (6), and a disinfection device (11) and the nutrient solution pool (1) form a loop for disinfecting nutrient solution independently; and the liquid outlet ends of the liquid containing tanks (6) have two structures both of which can meet the requirement of tide-type irrigation. The system can realize the tide-type irrigation and the enclosed recycling use of the nutrient solution simultaneously, is suitable for the soilless culture of crops such as vegetables,flowers and the like, and has the advantages of simple technology and equipment, low cost, stable and reliable operation and the like.

The invention discloses a method for improving temporary culture and wintering survival rate of portunus trituberculatus and belongs to the field of aquaculture techniques. The method comprises the steps of selecting high-quality portunus trituberculatus to wash, removing attach force of rock dynamic limbs, disinfecting, performing temporary culture and wintering; the step of removing the attach force of rock dynamic limbs adopts the technical solution of achieving the same technical effect by removing the rock dynamic limbs. According to the method, the rock dynamic limbs of the portunus trituberculatus are removed, so that the portunus trituberculatus loses the capability of clamping and attacking, the fight and harm between the portunus trituberculatuses can be reduced; after removing the dynamic limbs, the temporary culture and wintering survival rate of portunus trituberculatus is greatly improved; the temporary culture and wintering density is improved by more than two times; the utilization rate of facilities is improved; the cost can be reduced; and the income can be increased.

The invention provides a shallow sea cage apostichopus japonicus recirculating aquacultural facility and an aquacultural method. The shallow sea cage apostichopus japonicus recirculating aquacultural facility comprises a plurality of cages. The shallow sea cage apostichopus japonicus recirculating aquacultural facility is characterized in that the plurality of cages comprise small, medium and large aquacultural cages which are respectively used for aquaculture of small, medium and large juvenile apostichopus japonicus, the small, medium and large aquacultural cages are connected in proportional allocation that quantity of the small aquacultural cages is lower than quantity of the medium aquacultural cages and the quantity of the medium aquacultural cages is lower than quantity of the large aquacultural cages to form aquacultural units, and the aquacultural units are connected and then are fixed under the sea through piling. In March, April and May every year, the small, medium and large juvenile apostichopus japonicus are put into the cages to be cultivated according to specific density, and cultivation in each stage can provide enough juvenile apostichopus japonicus for the next stage; and then the small juvenile apostichopus japonicus are continuously supplemented and put into the cages, and the process is repeated, so that ecological efficient continuous product is realized. Aqucultural facility utilization rate is greatly improved, production cost is greatly reduced, growth rate of the juvenile apostichopus japonicus is improved, survival rate of the juvenile apostichopus japonicus is greatly improved, operation management is convenient, and comprehensive benefits are obviously improved.

The embodiment of the invention provides a block chain network building structure based on a local area network environment and a data processing method. In a blockchain network deployed in a local area network environment, an operation platform acquires deployment information of each application based on blockchain service; obtaining authority information of each user and each application, and synchronously distributing the authority information to a plurality of public nodes through an operation and maintenance platform; the plurality of public nodes deploy each application to an applicationchain composed of a plurality of corresponding accounting nodes based on the deployment information, so that each application shares and uses block chain service resources on the plurality of accounting nodes; authorizing each user to use the application deployed on each application chain based on the authority information; the consensus sorting node provides a shared consensus sorting cluster service; and the operation and maintenance platform manages the use condition of the blockchain service resources and the operation condition of the blockchain network. Users and applications can shareand use blockchain service resources and consensus sorting cluster services in a blockchain network, the facility utilization rate is improved, and data sharing is realized.

The invention relates to a strawberry planting method and discloses a heeling in method matched with strawberry stereoscopic planting. The heeling in method comprises the following steps of firstly ordering strawberry seedlings dug from a seedling nursing field; then immersing the well cleaned whole strawberry seedling plants for 1-2 minutes with a sterilant for sterilization; finally, heeling in the strawberry seedlings in a heeling in bed on which a moisturizing cultivating medium is laid, then thoroughly watering, additionally covering a sunshield net above the heeling in bed, removing the sunshield net after new leaves are sprouted, and heeling in for 10-15 days. Massive newborn root systems can be generated after the strawberry seedlings are heeled in for 10-15 days, and the survival rate after the transplantation is high and can achieve more than 95%; the strawberry seedlings are heeled in a certain area with higher density, so the labor intensity of water content management in the seedling recovering period after the field planting is greatly relieved.

The invention relates to a desk and chair, in particular to a foldable desk and chair convenient for students to have a noon break. According to the foldable desk and chair convenient for noon break of students, an existing desk and chair is modified into a desk and chair with a noon break function, and the resource utilization rate is increased. The foldable desk and chair convenient for a student to take a noon break comprises a bottom plate, wherein one side of the top of the bottom plate is provided with a support; a driving mechanism arranged on the side, away from the support, of the bottom plate; a folding mechanism arranged at the upper part of the driving mechanism; and a turnover mechanism arranged at the top of the support. The folding mechanism is driven by the driving mechanism to unfold a foot placement area, then a backrest is inclined through the turnover mechanism, the desk and chair is converted into a deck chair state from a sitting posture state, and the facility utilization rate is increased through transformation under effective resources.

The invention discloses an ecological cycle planting and breeding system and method for fishes, grapes and earthworms. The system comprises a water purifying pond, fishponds, operation channels, earthworm breeding ponds and a settling pond, wherein the water purifying pond supplements a water source to the fishponds; low-oxygen-tolerant and high-added-value fishes are bred in the fishponds; the operation channels are located between the fishponds and grapevines; and the settling pond communicates with the fishponds. The planting and breeding method comprises the following steps: selection of fingerlings: a step of selecting fishes with low oxygen tolerance and high added value; construction of a system: a step of constructing the water purifying pond, the fishponds, the operation channels,the earthworm breeding ponds and the sedimentation pond; use of the system: a step of pumping a fertilizer and water generated by fish breeding in the fishponds into the settling pond, disinfecting settled upper-layer water, then allowing disinfected water to enter the fishponds or to irrigate grapes, and allowing settled lower-layer water to be used as earthworm bait and a grape fertilizer. According to the invention, by utilization of space and time for vineyard facility cultivation and joint utilization between breeding and planting, the problems of low space and time utilization rate of grape cultivation and tail water treatment of fish breeding are solved.

The invention discloses a collection and treatment method for scattered livestock and poultry breeding waste. The method comprises the following steps: performing separation: separating feces of livestock and poultry into dry manure and urine, introducing the urine and sewage into a liquid manure storage pre-fermentation tank, and sending the dry manure to a rain-sheltering dry-manure collection fermentation tank; performing treatment on the dry manure: sending the dry manure in the rain-sheltering dry-manure collection fermentation tank into a dry-manure fermentation greenhouse of a feces treatment center by utilizing a feces carrying vehicle, performing advanced aerobic fermentation treatment on the dry manure and straw, and preparing a granular commercial organic fertilizer; performingtreatment on liquid manure: moving the urine and the sewage in the liquid manure storage pre-fermentation tank to a warehouse-type liquid manure collection fermentation tank of the feces treatment center by utilizing a manure suction tank truck, and performing anaerobic fermentation treatment to obtain a liquid fertilizer; and performing fertilization and performing packaging. Through the above manner, according to the collection and treatment method for the scattered livestock and poultry breeding waste disclosed by the invention, the feces treatment center and a small-scale scattered livestock and poultry breeding farm establish contact, so that economic benefits of the feces are greatly improved, and a utilization rate of facilities in the feces treatment center is improved.

The invention relates to the technical field of plant cultivation, in particular to a method for relieving the peony continuous cropping planting problem. The method specifically comprises a soil treatment step, a fertilization step, a nursery stock selection step, a planting step and a post-planting management step, and can thoroughly eliminate pests and bacteria in soil through soil treatment; through organic fertilizer and formula fertilization measures, the soil structure of a continuous cropping land can be effectively improved, and soil nutrient balance of the continuous cropping land ispromoted; the continuous cropping resistance of the peony seedlings can be further improved through technical measures of selecting resistant seedlings and optimizing cultivation; and through post-planting management measures, diseases can be effectively prevented and treated, the plant resistance is improved, and robust growth of plants is promoted.

The invention discloses a method for increasing the transplanting survival rate of strawberry bareroot seedlings in three-dimensional substrate cultivation in the technical field of strawberry culture. The method comprises the following steps of performing preparation before seedling lifting: performing sterilizing and disease preventing treatment on seedling culture land of large fields; liftingseedlings: lifting seedlings, removing old leaves, disease leaves, invalid leaves and creeping stems, cleaning root system earth to obtain strawberry bareroot seedlings, and performing treatment witha disinfecting medicine agent; preparing for concentrated recovery of the seedlings: laying humid cultivation substrates in a seedling recovering seedbed; performing concentrated recovery of the seedlings: performing concentrated recovery on the strawberry bareroot seedlings on a facility seedbed or simple seedbed for 10-15 days until the strawberry bareroot seedlings begin to grow massive new roots; and performing transplanting: transplanting the obtained strawberry seedlings on a three-dimensional cultivation frame. According to the method disclosed by the invention, after the strawberry bareroot seedlings are subjected to concentrated recovery for 10-15 days, massive root systems can grow, so that after the strawberry seedlings are transplanted on the three-dimensional cultivation frame, the survival rate can reach 95% or above; and besides, the bareroot seedlings are concentrated within a range having a certain area at a higher density, so that the labor intensity of water management at the seedling recovering period can be greatly alleviated.

The invention provides a regional comprehensive energy system planning method and device. The method comprises the steps of regional comprehensive energy system partition load center calculation, energy station grade and quantity determination, energy station coordinate calculation, energy station and load center matching and energy station service capability calculation. According to the invention, the energy stations are divided into different grades, according to the service radius, the service capability and the service requirement of the load center of the energy station, the energy station is planned according to the lowest total construction cost, the number, the service scale and the position of the energy station are obtained, the optimal layout of the multiple distributed energystations is achieved, and the construction requirement of the distributed energy stations according to local conditions is met.

The invention discloses a tomato seedling substrate and a preparation method thereof. The preparation method comprises the following steps: with cow dung dry-wet separation liquor and rice straw as base raw materials, regulating a carbon nitrogen ratio to provide an environment suitable for microbial growth, fermenting and composting, sieving composted materials obtained through microbial treatment to obtain materials with grain size of 1-5mm, sufficiently mixing, and then adding expansibility vermiculite and garden soil with certain fineness to improve the physical character and buffer property of a substrate so as to form the tomato seedling substrate, wherein the tomato seedling substrate comprises the following components in percentage by volume: 60%-80% of straw composted particles prepared from cow dung dry-wet separation liquor and rice straw, 10%-20% of expansibility vermiculite and 10%-20% of garden soil. The method is simple. The raw materials are abundant and cheap, environment pollution is reduced, nutrient is sufficient, the character is stable, the operation of topdressing during the seedling period of tomatoes can be completely or partially avoided, the seedling quality is improved, the pesticide application is reduced, the seedling quality is guaranteed, the labor and the cost are saved, and reliable guarantee is provided for the survival, the high-quality and high-efficient growth and the yield and quality of transplanted tomato seedlings.

The invention discloses a land-base sea ice collection device which comprises a seawater evaporation tank (100), a transmission system (200) and an ice storage tank (300), wherein the transmission system comprises a gate unit (201) and an ice water channel (202); the outlet of the seawater evaporation tank (100) is connected with the inlet of the ice storage tank (300) through the ice water channel (202); the gate unit (201) is arranged on the ice water channel (202); and the height of the bottom of the ice storage tank (300) is smaller than that of the seawater evaporation tank (100). The device can collect the sea ice in the seawater evaporation tank of the land salt field to the ice storage tank to facilitate the production of the salt field in winter, and can also collect the sea ice at high efficiency and low energy consumption, thereby satisfying the requirements for large-scale ice collection in sea ice desalting production.

The present invention provides a method for assessing the carrying capacity of traffic facilities based on a dynamic model for the overall situation of the city. Based on the dynamic model allocation method, with the help of the four-stage traffic model of land use, the traffic demand is calculated by analyzing the population employment scale under the planned land use. The total amount and the spatial distribution of traffic trips, considering the accessibility and service characteristics of various transportation facilities such as urban roads, public transportation, and rails, calculate the supply capacity, and scientifically evaluate the carrying capacity of transportation facilities; the evaluation method of the present invention adopts "from the whole to the local The organization method of "multiple land feedback" can not only evaluate the coordination degree of transportation facilities and land use at the overall level of the city, but also put forward optimization suggestions at the local level. The evaluation method of the present invention can be directly applied to land space planning, urban general planning, land development intensity demarcation, etc., to guide the reasonable scale and layout of land use, and realize the matching of land development scale and traffic facility capacity.

The invention relates to the technical field of agriculture, and discloses a planting method for crop rotation of peanuts and watermelons in order to solve the problem that the quality of watermelons is affected due to continuous cropping of the watermelons at present, and the planting method comprises the following steps: selecting a land parcel with uniform soil fertilizer and high and dry terrain, deeply rotating soil to be below 30cm, building a greenhouse, and digging deep ditches outside the greenhouse. The previous-crop peanuts improve the soil microenvironment, have a positive effect on reduction of fusarium wilt in watermelon continuous cropping land, and shorten the multiple cropping age limit of watermelons; the crop rotation of peanuts and watermelons fully improves the utilization rate of greenhouse facilities, promotes the income increase of farmers, and provides a new greenhouse efficient crop rotation mode for the farmers; the problem of poor taste of grafted seedlings is solved, the watermelon quality is improved, and the market price is obviously superior to that of grafted watermelons; nitrogen in the atmosphere is converted into organic nitrogen by leguminous crops through root nodules, the organic nitrogen is fixed in plant bodies, the application amount of nitrogen fertilizer for later-crop watermelons is reduced, and soil hardening and salinization are prevented.

The invention which belongs to seedling cultivation method relates to a three-dimensional seedling breeding method and the product thereof. In summer and autumn, the a pond which is formed on the ground in the greenhouse is irrigated and sealed; the square seedling frame is lined with plastic film and drilled, the semi-lignified shoots cutting is horizontally inserted into it, the base of the cutting is packed with light net shaped nutrition bag containing nutrition substrate, when the cutting is inserted into the plastic film, the substrate is filled into it, and the bottom of the bag is drilled; every three to four seedling frames are formed into a seedling column; the temperature below 38 DEG C and the humidity is above 90% under control; every 10 days, the ground film is opened and sprinkled once by the Sanmate solution which is diluted 1500 times, the seedling cultivation time is 25-40 days for greenhouse seedling. The rooting percent of seedling according to the invention reaches91.6%, the seedling rate reaches 84.1%, the secondary lateral roots are grown, and the roots developes maturely. Compared to the existing technology, the seedling number per unit area improves 5 times, the seedling rate improves more than 30%, more than 80% of water is saved, the cost is low, and the facility utilization is high.

The invention provides a shallow sea cage apostichopus japonicus recirculating aquacultural facility and an aquacultural method. The shallow sea cage apostichopus japonicus recirculating aquacultural facility comprises a plurality of cages. The shallow sea cage apostichopus japonicus recirculating aquacultural facility is characterized in that the plurality of cages comprise small, medium and large aquacultural cages which are respectively used for aquaculture of small, medium and large juvenile apostichopus japonicus, the small, medium and large aquacultural cages are connected in proportional allocation that quantity of the small aquacultural cages is lower than quantity of the medium aquacultural cages and the quantity of the medium aquacultural cages is lower than quantity of the large aquacultural cages to form aquacultural units, and the aquacultural units are connected and then are fixed under the sea through piling. In March, April and May every year, the small, medium and large juvenile apostichopus japonicus are put into the cages to be cultivated according to specific density, and cultivation in each stage can provide enough juvenile apostichopus japonicus for the next stage; and then the small juvenile apostichopus japonicus are continuously supplemented and put into the cages, and the process is repeated, so that ecological efficient continuous product is realized. Aqucultural facility utilization rate is greatly improved, production cost is greatly reduced, growth rate of the juvenile apostichopus japonicus is improved, survival rate of the juvenile apostichopus japonicus is greatly improved, operation management is convenient, and comprehensive benefits are obviously improved.