Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37 results about "Coastal sea" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Marine monitoring buoy system based on target early warning
ActiveCN111661250AImprove detection efficiencyImprove stabilityWaterborne vesselsBuoysCoastal seaHydrophone
The invention discloses a marine monitoring buoy system based on target early warning. The system comprises a buoy body; the buoy body comprises a buoyancy cabin and a fixing device; the fixing deviceis installed at the lower end of the buoyancy cabin; a power supply system is arranged on the buoy body; the power supply system comprises a battery module and a charging device; and the battery module is connected with the charging device. According to the system of the invention, through cooperation of a standard hydrophone and a water surface target identification and early warning module, a target is accurately positioned; a photoelectric tracking camera is linked with an underwater mobile laser imaging radar, so that a target can be accurately locked in a three-dimensional space; the detection efficiency of a threatening target is improved; directional tracking and alarming are carried out; the possibility that the buoy is damaged is fundamentally eradicated; better wind resistance is achieved; the stability is greatly improved; the safety of an electronic control cabin at the upper end of a buoyancy plate is guaranteed through sealant on the peripheral side of the buoyancy plate, and meanwhile the buoy can serve as coastal sea surface and seabed defense equipment.
Owner:HUNAN GUOTIAN ELECTRONICS TECH CO LTD
Boatbuilding system
A ship building system (10) or method includes a boatyard with preset depth. The boatyard (14) can sustain a certain water level with the external circumstance wall (12) and is provided with a in / out openable door (20) which can communicated with the coastal sea area (S). The water level in the dock basin (14) is adjusted to same at the coastal sea area (S) by injecting seawater to the boatyard (14) or discharging seawater from the boatyard (14) thereby allowing the movement of the watercraft (H). The lower subsequent boatyard (14-1 to 14-5) connected to the boatyard (14) is arranged and the constructing space is formed by controlling the water level in the subsequent boatyard (14-1 to 14-5).
Owner:MINAMINIPPON SHIPBUILDING
Multi-type power supply capacity long-term planning method considering offshore wind power access
ActiveCN110739726AImprove safe and stable operationSolve the problem of difficult peak shavingSingle network parallel feeding arrangementsEnergy storageCoastal seaLong term planning
The invention relates to a multi-type power supply capacity long-term planning method considering offshore wind power access. A modeling method of offshore wind farm output is proposed based on the correlation theory. The problem of offshore wind power absorption is introduced into the power planning level. Considering the peaking capacity constraints of multi-type power supplies and the system reliability constraints based on stochastic production simulation, the capacity optimization model of multi-type power supplies is established with the construction and operation economy as the goal, and the particle swarm optimization algorithm is used to solve the problem. The method is simple and practical and has high operability and solves the problem that the traditional planning method only pays attention to economic indicators and does not consider enough the peak shaving capability and reliability of the system. The method can solve the problem of peak shaving difficulties faced by windpower absorption and has great significance to ensure wind power absorption and safe and stable operation of the power grid and provides a feasible scheme for long-term power supply planning in coastal and offshore provinces rich in wind power resources.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +2
Water quality conditioner for inhibiting harmful algae and use method thereof
InactiveCN101993149ASatisfy nutritionMeet ecological needsBiological water/sewage treatmentFertilizer mixturesWater qualityAquaculture
The invention discloses a water quality conditioner for inhibiting harmful algae, which mainly comprises the following components in percentage by weight: 10-60% of soluble silicon metered based on SiO2, 10-60% of calcium oxide, 1-20% of magnesium, and 1-25% of phosphorus. When the water quality conditioner is in use, the components are proportioned and uniformly mixed to form a blending agent, and the blending agent is scattered on a water surface in a dry way in the morning in a selected clear day, with 5-10kg per mu. The water quality conditioner can fully meet the nutrition and ecologicalrequirements of the bloom of beneficial algae such as microalgae so as to ensure that the microalgae beneficial to aquaculture is greatly bloomed and harmful algae such as blue-green algae is inhibited; after the water quality conditioner is applied for 3-7 days, the water body is improved, the beneficial algae such as the microalgae is bloomed while the harmful algae such as the blue-green algaeand the like are massively extincted, and the water body becomes rich, active, delicated and clear. The invention can be widely applied to various water areas such as ponds, reservoirs, lakes, coastal sea and the like and the treatment and prevention of the harmful algae in the culture of fishes, shrimps and crabs, and has no damage to human bodies and aquatic organisms.
Owner:东莞市凯得威农业科技有限公司
Floating fan equipment for medium-depth water area
PendingCN111391987ASimple structureEasy to buildFinal product manufactureWind motor supports/mountsCoastal seaBuoy
The invention discloses floating fan equipment for a medium-depth water area. The floating fan equipment comprises a wind turbine generator, a fan tower, a floating foundation and a mooring device from top to bottom. The wind turbine generator is mounted at the upper end of the fan tower; the lower end of the fan tower is fixed on the floating foundation; and the mooring device is connected to thefloating foundation and is used for mooring equipment on a seabed. The floating foundation comprises a main stand column, four auxiliary stand columns and a cross-shaped buoy. The four auxiliary stand columns and the cross-shaped buoy are symmetrically distributed relative to the main stand column in space, the four auxiliary stand columns are connected to the four ends of the cross-shaped buoy respectively, the top faces of the four auxiliary stand columns are distributed at the four corners of the square projection plane, the cross-shaped buoy intersects on the central axis of the floatingfoundation, and the main stand column stands over the intersection of the cross-shaped buoy. An effective solution is provided for development of the floating wind power technology in the medium-water-depth sea area within 30-100 m; the structure is simple and stable, the foundation construction difficulty and manufacturing cost are not high, draught is deep, and the wave resistance is good; and the requirement for development of wind power generation in the coastal sea area is quite met.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV +1
Method for establishing coupling model for simulating offshore seawater exchange rule
ActiveCN110287504ASmall amount of calculationAvoid pollutionDesign optimisation/simulationSpecial data processing applicationsCoastal seaTracking model
The invention discloses a method for establishing a coupling model for simulating an offshore seawater exchange rule. The method is specifically implemented according to the following steps: step 1, establishing a Mike21 hydrodynamic model for a research area; step 2, calibrating the Mike21 hydrodynamic model according to the actually measured water level data of the research area; and step 3, respectively establishing a Mike21 substance transmission model and a Mike21 particle tracking model for the research area, and coupling the Mike21 substance transmission model and the Mike21 particle tracking model with the Mike21 hydrodynamic model calibrated in the step 2 to obtain a coupling model. According to the method for establishing the coupling model for simulating the coastal seawater exchange law, Mike21 software can be fully utilized to efficiently simulate the coastal sea area water exchange law.
Owner:XIAN UNIV OF TECH
Novel method utilizing sea beach sludge to make bricks
The invention belongs to the field of building material manufacturing methods and relates to a novel method utilizing sea beach sludge to make bricks, in particular to a method adopting sludge of coastal sea beach and estuary beach. The novel method includes steps of silt excavation, cleaning, sludge slurry centrifuging, sieving, smashing, stirring for blank making, pre-drying and firing. By using the novel method, accumulation of sludge sand along the sea beach can be improved, and treatment of sludge sand of coastal mud flat in a quantity-reducing, harmless, recycling and industrializing manner is realized; the bricks made by the method can replace bricks made by using pure clay as a raw material, desilting is realized, and damage to land is reduced, so that ocean environment is protected and land is protected. Sludge bricks as a product have objective economic benefit.
Owner:青岛福创环境科技有限公司
Seawater desalination ship
InactiveCN111362448AEasy to moveNo sideways tiltSeawater treatmentScale removal and water softeningCoastal seaFilter system
The invention provides a seawater desalination ship, which comprises a ship body and a filtering system arranged on the ship body, wherein precipitation cabins in the ship body are used for precipitation treatment of seawater, and are symmetrically arranged at the two ends of the ship body, clear water cabins are used for primary filtration treatment of seawater and are symmetrically arranged on the two sides of the ship body, each clear water cabin is correspondingly communicated with one precipitation cabin, a filtering cabin is arranged in the middle of the ship body, two sets of filteringsystems are arranged in the filtering cabin, and a fresh water cabin is arranged below the filtering cabin to store fresh water obtained by multi-stage filtering treatment of the filtering system. According to the invention, the seawater desalination ship is short in construction period, low in construction cost and convenient to move, and can directly take water from seabed, wherein 20000-150000tons of fresh water treatment capacity every day can meet fresh water supply among coastal areas, coastal areas and island groups; and precipitation cabins and clear water cabins are symmetrically arranged, and two sets of filtering systems are respectively used for independently carrying out seawater filtering treatment operation, so that the loading and ballasting stability of the ship body canbe ensured, and the overall stability of the seawater desalination ship is ensured.
Owner:YANTAI RAFFLES SHIPYARD +4
Wave generation device free of consuming energy
The invention relates to the field of overwater mechanical devices, in particular to a device for generating secondary waves in an experimental tank by means of coastal sea beating energy in the open seas without consuming energy and discloses a wave generation device free of consuming the energy. The device comprises a wave leading channel (1) and a wave experimental tank (2), wherein waves are led in through the wave leading channel (1), the wave experimental tank (2) is formed through the waves led in through the wave leading channel (1), a wave generation pendulum (3) capable of generating artificial waves is arranged in the wave leading channel (1), the bottom of the wave generation pendulum (3) is provided with a swinging shaft (6), the wave generation pendulum (3) is arranged on the swinging shaft (6) in a sleeved mode, and the wave generation pendulum (3) is tightly attached to the swinging shaft (6) so as to swing left and right to generate the artificial waves. According to the wave generation device, the aim that wave generation experiments can be carried out without building large laboratories is achieved, due to the design of the counter-weight-adjustable wave generation pendulum, the counter weight of the wave generation pendulum can be adjusted at will so that the inherent frequency can be changed, and accordingly waves of different frequencies and amplitudes can be made according to needs.
Owner:HANGZHOU HONGLAN GREEN TECH CO LTD
Floating box cultivation body capable of planting crops in coastal sea area
InactiveCN109644731APrevent drowningWon't dieGeneral water supply conservationCultivating equipmentsCoastal seaEngineering
The invention provides a floating box cultivation body capable of planting crops in a coastal sea area. The floating box cultivation body comprises cover plates, a floating box, fixing ropes and anchor blocks, each cover plate is trapezoidal, an outside tread of each cover plate is provided with a branched ventilation hole, two cultivation holes in left-right symmetry are formed in the top face ofeach cover plate, two branched air pipes are fixedly connected inside each cover plate, a main air pipe is fixedly connected between the branched air pipes, main ventilation holes are formed in two ends of each cover plate, covers are movably connected above the main ventilation holes, the main air pipes are fixedly connected with the main ventilation holes, ventilation small holes are formed inthe surface of each of the main air pipes and the branched air pipes, and each cover plate is movably connected with the floating box through a clamping groove. Clay can be put into the floating box cultivation body for crop planting, the floating box is designed to float on the surface of a sea, the fixing ropes and anchors enable the whole floating box cultivation body to be fixed in a range relatively fixed on the surface of the sea, and the problem that island residents are short of vegetables is solved through the floating box cultivation body.
Owner:陈美容
Cultivation method for tripnenstes gratilla larvae
PendingCN111296336AIncrease success rateAnimal feeding stuffPisciculture and aquariaBacillus licheniformisCoastal sea
The invention belongs to the field of aquaculture, and particularly relates to a cultivation method for tripnenstes gratilla larvae. Incubation equipment is manually installed, and incubation conditions are controlled, and living concentrated chaetoceros is taken as delivered feed, and meanwhile, the water quality of an incubation water body is kept by delivering bacillus licheniformis and effective microorganisms (EM), so that the success rate of incubation of the tripnenstes gratilla larvae can be obviously improved, and the incubation rate can reach 0.4% or more. According to the cultivation method for tripnenstes gratilla larvae disclosed by the invention, a new superior variety is provided for development of tropical sea urchin culture in China, and development of tropical sea urchinculture industry in China can be effectively promoted; abundant cultured larvae are provided for ocean pastures of coastal sea areas in Hainan province and Sansha sea areas, and new employment post and ways are provided for fishermen to transfer jobs; and the cultivation method has very important economic value and social value.
Owner:海南蓝泰邦生物技术有限公司
A multi-energy-driven seawater salt production tower and salt production process
InactiveCN105600808BReduce occupancyHas comprehensive utilization benefitsSeawater treatmentEnergy inputSolar powerIntermediate level
The invention provides a multi-energy-driven seawater salt producing tower, and belongs to the technical field of seawater salt producing. The salt producing tower is sequentially provided with a tide absorbing pond, a first evaporation pond, a second evaporation pond, a primary bittern making pond, an intermediate-level bittern making pond, a high-level bittern making pond, a crystallizing pond and a salt storage pond from bottom to top. The pond bottoms of the evaporation ponds, the bittern making ponds and the crystallizing pond are provided with electric heaters, and the tops of the upper spaces of the ponds are provided with distilled water collecting devices. The salt producing tower is driven by multi-energy power and comprises a solar power generation device, a wind power generation device and a hydraulic potential power generation device, and renewable resources are fully utilized. According to the salt producing tower, all the technological link ponds for coastal sunlight salt extraction are stereoscopically overlaid, the solar energy, wind energy and distilled water draining potential are utilized to generate power, the power is supplied to the electric heaters to heat seawater to accelerate evaporation for salt producing, the mud flat space occupied by coastal sea surrounding salt extraction is significantly saved, the working efficiency of seawater salt producing is effectively improved, a large amount of distilled water can be produced, energy conservation and environment protection are achieved, and the comprehensive utilization efficiency of the seawater is improved.
Owner:NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE
Near-shore sea wave level monitoring method and device
PendingCN113221777AEasy to monitorLow costCharacter and pattern recognitionResourcesCoastal seaSea waves
The invention discloses a near-shore sea wave level monitoring method and device, and belongs to the field of sea wave level monitoring. The method comprises the following steps: firstly, acquiring a real-time video of a coastal sea wave, and then obtaining a real-time level of the coastal sea wave in the real-time video according to the real-time video and a pre-constructed sea wave level model. The real-time level of the sea wave in the video is identified by adopting the pre-constructed sea wave level model, and monitoring can be carried out only by acquiring the real-time video, so that the monitoring is simple, the cost is low, and the real-time performance is high; and meanwhile, due to the fact that the constructed sea wave level model is constructed based on the sea wave high time-space correlation characteristics, and the accuracy is higher when the sea wave levels are recognized.
Owner:江苏奥易克斯汽车电子科技股份有限公司
Processing structure of coastal soft foundation and construction method thereof
ActiveCN105544332ASimple processing methodLow costRoadwaysClimate change adaptationGeomembraneStructure of the Earth
The invention discloses a processing structure of a coastal soft foundation, comprising longitudinal troughs, transverse troughs and vertical shafts. The longitudinal troughs are distributed on two outer sides of the highway subgrade fill, and an impermeable geomembrane is arranged on one side, far away from the highway subgrade fill, of the longitudinal troughs; the longitudinal troughs have a certain longitudinal slope, the depth is bigger than that of the soft foundation layer, and an embankment layer, the soft foundation layer and a bearing stratum form the highway subgrade fill from top to bottom in sequence. The transverse troughs are distributed on the coastal highways and intersected with the longitudinal troughs; the transverse troughs have a certain slope, the depth is bigger than that of the soft foundation layer, and slope pits are formed in the intersection positions of the transverse troughs and the longitudinal troughs. The vertical shafts are formed in the intersection positions of the transverse troughs and the longitudinal troughs. In the construction process, the transverse troughs and the longitudinal troughs are filled with rubble or gravel. The processing structure of the coastal soft foundation has an obvious effect for the coastal marine deposit soft foundations, is small in the work amount and avoids lateral movement of the soft foundations.
Owner:GUANGXI TRANSPORTATION SCI & TECH GRP CO LTD
A quaternary sulfide semiconductor photocatalytic material for antibacterial and anticorrosion of coastal concrete structures, its preparation method and application
ActiveCN106423215BLow costEasy to operatePolycrystalline material growthPhysical/chemical process catalystsSemiconductor materialsSolvent
Owner:ZHEJIANG UNIV
Near-shore seaweed fishing device
InactiveCN112695712AAvoid strandedGuaranteed to move normallyAmphibious vehiclesWater cleaningCoastal seaDrive wheel
The invention discloses a near-shore seaweed fishing device which comprises a platform, a driving assembly and a fishing assembly; the driving assembly comprises a plurality of driving wheels rotationally arranged at the two sides of the platform; each driving wheel comprises a wheel body rotationally connected with the platform and a propeller fixed to the side, away from the platform, of the wheel body; and the fishing assembly comprises a gauze element, a suspension rod connected with the top end of the gauze element, a balance weight rod connected with the bottom end of the gauze element, a first winding part fixed to the middle of the platform, connected with the suspension rod and used for winding and unwinding the suspension rod, and a second winding part fixed to the tail of the platform, connected with the balance weight rod and used for winding and unwinding the balance weight rod. According to the near-shore seaweed fishing device, coastal seaweed can be removed, and the protection of a coastal sea environment is facilitated.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA
Depth reference frame point laying method for coastal sea area of China
The invention discloses a Chinese coastal sea area depth reference frame point layout method, and belongs to the field of depth reference precision control research. According to the method, on the basis of a nautical chart depth datum plane model, the nonlinear change degree of the nautical chart depth datum plane in different directions is researched by using a second derivative, and the tolerance requirement of the nautical chart depth datum plane model error and a mathematical model of the datum plane maximum interpolable distance in different directions are deduced. According to the method, a tolerance index of datum plane interpolation is given by combining a tolerance index of water depth measurement in Sea Channel Measurement Standards (GB12327-1998), an effective range of datum plane linear interpolation is determined, graphic expression of the effective range is realized, on one hand, research results can provide a theoretical basis for layout of frame points in coastal sea areas in China, and on the other hand, the research results can provide a theoretical basis for layout of frame points in coastal sea areas in China; a means is provided for rationality evaluation of frame point positions; on the other hand, arrangement of a tide station can be assisted, and water level reduction precision is improved.
Owner:PLA DALIAN NAVAL ACADEMY
Network planning method for water quality sampling in coastal waters based on sea-air unmanned collection equipment
ActiveCN109086957BRealize onlineReduce the number of inputsGeneral water supply conservationResourcesMathematical modelWater quality
Owner:ZHONGKAI UNIV OF AGRI & ENG +1
Method and system for intelligently detecting wave height and wind speed from coastal sea wave monitoring video
ActiveCN114581817AHigh precisionFast precisionMeasurement devicesCharacter and pattern recognitionCoastal seaSea waves
The embodiment of the invention discloses a method and a system for intelligently detecting wave height and wind speed from a coastal sea wave monitoring video, the method can extract wave height and wind speed elements from minute-level video data, the length of the video data input by a model is very short, and the use of other basic functions (such as patrol and view scaling) of camera equipment is hardly influenced. The average absolute error between a wave height element detection value and a measured value is smaller than 0.5 m, the absolute error between a wind speed detection value and the measured value is smaller than 3 m / s, and wave height and wind speed information with high precision can be detected only by inputting very short video data.
Owner:国家海洋环境预报中心
Energy-free wave generator
Owner:HANGZHOU HONGLAN GREEN TECH CO LTD
Seaweed net curtain permanent green algae removal device
The invention discloses a device for removing fixed green algae from a laver net curtain, which comprises a cleaning component, a cleaning component, a first liquid supply component and a second liquid supply component, the cleaning component and the cleaning component are sequentially arranged along the moving direction of the net curtain, The cleaning assembly includes a first box body and a first guide roller, a second guide roller, a flushing member and a friction member arranged in the first box body, the first guide roller is rotatably arranged at the lower part of the first box body, The second guide roller is rotatably arranged on the upper part of the first box parallel to the first guide roller, the flushing member is arranged between the first guide roller and the second guide roller, and the friction member is arranged on the first box The bottom of the body is located below the first guide roller. It can quickly and labor-savingly realize the high-efficiency removal of the fixed green algae of the laver net curtain, greatly save manpower, material resources and time, and contribute to the protection of the coastal sea environment.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA
Ecological breeding method for sea horses
InactiveCN101589692BReduce pollutionImprove survival rateClimate change adaptationPisciculture and aquariaMacrocystis pyriferaHigh survival rate
The invention relates to an ecological breeding method for sea horses, which is characterized by comprising the following steps: putting sea water in which zygotes of fishes, shrimps and shellfishes are filtered into a cement pool, ensuring that the height of the sea water is 0.2 to 0.4 meter lower than that of the cement pool, and keeping the temperature of the sea water between 15 and 32 DEG C and the salinity of the sea water between 1 to 3 percent; putting kelps into the cement pool, and keeping the fresh weight density of the kelps in the cement pool between 0.5 and 2 kg / m<3>; inoculating organic fertilizer to the cement pool to breed bioactive baits; putting the sea horses to the cement pool; and during breeding, keeping the density of the living biological baits in the cement pool. Compared with the prior art, by adopting the method for breeding the sea horses, little bait even no bait is fed, so the cost is low and the pollution is little; and the produced sea horses have high survival rate, large individual and good economic benefit; and the method can be used for supplementing the resources of coastal sea horses, and broadens the path of marine organism resource protection.
Owner:NINGBO UNIV
A method of using beach mud to make bricks
The invention belongs to the field of building material manufacturing methods and relates to a novel method utilizing sea beach sludge to make bricks, in particular to a method adopting sludge of coastal sea beach and estuary beach. The novel method includes steps of silt excavation, cleaning, sludge slurry centrifuging, sieving, smashing, stirring for blank making, pre-drying and firing. By using the novel method, accumulation of sludge sand along the sea beach can be improved, and treatment of sludge sand of coastal mud flat in a quantity-reducing, harmless, recycling and industrializing manner is realized; the bricks made by the method can replace bricks made by using pure clay as a raw material, desilting is realized, and damage to land is reduced, so that ocean environment is protected and land is protected. Sludge bricks as a product have objective economic benefit.
Owner:青岛福创环境科技有限公司
A new type of ice-breaking device and method for hovercraft
ActiveCN109229287BHeating fastImprove adaptabilityWaterborne vesselsIce breakersCoastal seaThermodynamics
The invention relates to a novel hovercraft ice breaking device and a method thereof, and belongs to the technical field of ice breaking. As that electromagnetic induction principle is utilize, a high-energy electromagnetic inductor is adopted in the induction heating ice breaking system, At the same time, the main engine of the ice breaker drives the icebreaker to rotate, and the ice breaker breaks the ice surface rapidly through mechanical collision and thermal effect in the process of contacting with the ice. After combining with the technology of the air cushion vehicle, there are three ice breaker modes to cause the ice layer damage. The invention realizes the non-contact rapid heating of the ice breaking teeth, improves the low-temperature ice breaking adaptability and the ice breaking efficiency of the ice breaking system, and enhances the ice breaking ability of the ice breaking system. Flexible ice breaking at any position on the ice surface; the required equipment is simple in structure, smaller in overall size, and much thicker and more suitable for ice breaking than other icebreakers. It can be used as the main ice breaking method in inland rivers and lakes and coastalwaters, as well as the auxiliary ice breaking method for ships in polar ice areas.
Owner:HARBIN ENG UNIV
A purification method for eliminating fine particle pollutants in coastal sea area
ActiveCN112551712BPurifyAvoid shockWater/sewage treatment by centrifugal separationGeneral water supply conservationCircular discPurification methods
Owner:MARINE FISHERIES RES INST OF ZHEJIANG
Water quality conditioner for inhibiting harmful algae and use method thereof
InactiveCN101993149BPromote reproductionBiological water/sewage treatmentFertilizer mixturesWater qualityAquaculture
The invention discloses a water quality conditioner for inhibiting harmful algae, which mainly comprises the following components in percentage by weight: 10-60% of soluble silicon metered based on SiO2, 10-60% of calcium oxide, 1-20% of magnesium, and 1-25% of phosphorus. When the water quality conditioner is in use, the components are proportioned and uniformly mixed to form a blending agent, and the blending agent is scattered on a water surface in a dry way in the morning in a selected clear day, with 5-10kg per mu. The water quality conditioner can fully meet the nutrition and ecologicalrequirements of the bloom of beneficial algae such as microalgae so as to ensure that the microalgae beneficial to aquaculture is greatly bloomed and harmful algae such as blue-green algae is inhibited; after the water quality conditioner is applied for 3-7 days, the water body is improved, the beneficial algae such as the microalgae is bloomed while the harmful algae such as the blue-green algaeand the like are massively extincted, and the water body becomes rich, active, delicated and clear. The invention can be widely applied to various water areas such as ponds, reservoirs, lakes, coastal sea and the like and the treatment and prevention of the harmful algae in the culture of fishes, shrimps and crabs, and has no damage to human bodies and aquatic organisms.
Owner:东莞市凯得威农业科技有限公司
Method for restoring ecological environment of seawater pumped storage power station
PendingCN113661876AMaintain native propertyMaintain originalityFlowers cultivationHops/wine cultivationCoastal seaEnvironmental resource management
The invention provides a method for restoring the ecological environment of a seawater pumped storage power station, which is characterized by comprising the following steps: (1) preliminary screening: investigating vegetation of a coastal island and / or a sand bank protection forest sample plot, and then performing preliminary screening according to an investigation result, wherein the preliminarily screened salt-tolerant plants need to comprise arbor plants, shrub plants and herbaceous plants; (2) secondary screening: planting all salt-tolerant plants obtained through preliminary screening, carrying out a salt mist stress test, and carrying out secondary screening to obtain arbor plants, shrub plants and herbaceous plants which finally need to be planted; and (3) planting: carrying out mixed and graded planting on the screened arbor plants, shrub plants and herbaceous plants to realize the restoration of the ecological environment of the seawater pumped storage power station.
Owner:SUN YAT SEN UNIV
Dual-system ice layer thickness measuring device
ActiveCN102679861BReduce intermediate conversion linksHigh measurement accuracyElectrical/magnetic thickness measurementsHydrometryCoastal sea
A dual-system ice layer thickness measuring device belongs to the field of automatic detection technology. The measuring device has high precision and durability, and is mainly used in the technical fields of water conservancy and hydrology. It is used for freezing river ice, lake ice and sea ice. Automatic detection of layer thickness. It is characterized in that it is a dual-system ice thickness measuring device for high-precision forecasting of water conservancy and hydrological ice conditions, and the whole set of measuring device is composed of a transmission system and a measuring system. The dual system means that the transmission system is composed of two sets of identical screw transmission systems, namely the front transmission system and the rear transmission system. The measuring device has a high measurement accuracy, which can reach ±2mm, and is an automatic monitoring device; the invention The measurement method of the measuring device is intuitive, similar to the most commonly used clamping measurement methods in the machinery industry (such as calipers and micrometers), and realizes high-precision measurement of ice thickness. It is suitable for automatic measurement of ice thickness on coastal sea ice or river ice or lake ice in rivers around hydrological stations.
Owner:TAIYUAN UNIV OF TECH
Fabricated FRP-sea sand concrete sound insulation and noise reduction wallboard
ActiveCN113047512AImprove ductilityImprove crack resistanceConstruction materialBuilding material handlingCoastal seaCorrosion resistant
The invention discloses a fabricated FRP-sea sand concrete sound insulation and noise reduction wallboard. The wallboard comprises FRP grids, FRP ribs, a high-ductility fiber reinforced sea sand cement-based composite material, sea sand concrete, sound absorption cotton and connecting pieces; a wallboard main body is composed of a high-ductility fiber reinforced sea sand cement-based composite material layer and an internal sound insulation and noise reduction layer, wherein the FRP grids and the vertical and horizontal FRP ribs are planted in the two sides of the high-ductility fiber reinforced sea sand cement-based composite material layer; and the vertical and horizontal FRP bars on the two sides are connected through the connecting pieces at part of crossed joints. The fabricated sound insulation and noise reduction wallboard has the characteristics of easiness in standardization of structural form, convenience in transportation, construction and installation, sound insulation, noise reduction, corrosion resistance, high lateral stiffness, high flexural rigidity and the like, has good adaptability in severe environments such as coastal sea, and is suitable for popularization and application.
Owner:WUHAN UNIV
A long-term planning method for multi-type power capacity considering offshore wind power access
ActiveCN110739726BImprove safe and stable operationSolve the problem of difficult peak shavingSingle network parallel feeding arrangementsEnergy storageCoastal seaLong term planning
The invention relates to a multi-type power supply capacity long-term planning method considering offshore wind power access. A modeling method of offshore wind farm output is proposed based on the correlation theory. The problem of offshore wind power absorption is introduced into the power planning level. Considering the peaking capacity constraints of multi-type power supplies and the system reliability constraints based on stochastic production simulation, the capacity optimization model of multi-type power supplies is established with the construction and operation economy as the goal, and the particle swarm optimization algorithm is used to solve the problem. The method is simple and practical and has high operability and solves the problem that the traditional planning method only pays attention to economic indicators and does not consider enough the peak shaving capability and reliability of the system. The method can solve the problem of peak shaving difficulties faced by windpower absorption and has great significance to ensure wind power absorption and safe and stable operation of the power grid and provides a feasible scheme for long-term power supply planning in coastal and offshore provinces rich in wind power resources.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +2
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com