83 results about "Flood tide" patented technology

The invention relates to an isotope-based analysis method for nitrogen pollutants in an offshore aquaculture water area. The contribution rate of aquaculture wastewater to nitrogen in offshore water is acquired in the manner of analyzing the abundance values of nitrogen isotopes in the offshore water and the aquaculture wastewater according to the different components of the nitrogen isotopes in different pollution sources and receiving water. The method specifically comprises the following steps: step 1, collecting samples on all the sampling sites before the flood tide according to nationalrelevant industrial standards; and step 2, adopting an isotope mass spectrometer for analyzing the abundance values of nitrogen, hydrogen and oxygen isotopes in all the samples, comparing with the abundance values of the isotopes of a standard sample, calculating an isotope rate value of the samples, accordingly calculating the abundance values of 2H-H20, 18O-H2O and 15N-NO3 in an effluent sample,an aquaculture wastewater sample and a tidal creek sample, and applying a bayesian network model for calculating the contribution rate of the pollution sources. Due to the use of the isotopes in theinvention, the accuracy of analysis result is increased, the monitoring workload is effectively reduced and the human and material resources are saved.

There is provided with a complex ocean power system combining ocean current power generation for generating electricity by forming a plurality of ocean current generators in front and rear of sluice structures of tidal power dams and sluice power generation for generating electricity by forming a plurality of ocean current generators in sluice conduits of the sluice structures, comprising: constructing barrages, which cross over the sea, to make up a lake; installing sluice structures of tidal power dams between the barrages 10 to generate electricity by changing a potential energy difference between seawaters caused by tides and ebbs to kinetic energy; installing ocean current generators in front and rear of the sluice structures and in the sluice conduits of the sluice structures to generate electricity by rotating turbine blades using the flow of the incoming seawater from a sea side into a lake side during flood tide and the flow of the seawater discharged from the lake side into the sea side during ebb tide; and installing sluice gates in the sluice structures 102, 210 to close and open the sluice conduits during flood tide and ebb tide.

The invention provides a method for creating ecological wetland to promote water body exchange of an encircling type harbor basin or harbor. A water storage water area is established nearby the harborbasin and communicates with seawater, a gate is arranged on the side, and a water body channel is arranged between the water storage water area and the harbor basin or harbor. During flood tide, thegate is opened, and the seawater flows into the water storage water area. During falling tide, the gate is closed, the seawater flows into the harbor basin or harbor from the water storage water areato form harbor penetrating flow, and the polluted water body in the harbor basin or harbor is driven to flow out of the harbor basin or harbor. The natural power of tide fluctuation is utilized, wateris stored in the water storage water area during flood tide, the water body in the water storage water area flows into the harbor basin or harbor through the water body channel during falling tide, the harbor (bay) penetrating flow is formed, and the key technical problem about the water source water volume of the harbor (bay) penetrating flow is effectively and economically solved. Meanwhile, the method serves as an important measure for ocean resource sustainable development and utilization and ocean environment protection, the water storage water area can be established into the ecologicalwetland environment or created into the hydrophilic space.

The invention discloses a bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy. The bidirectional-drive power regulation type sea water desalination and power generation device comprises a reservoir, a first water turbine, a second water turbine, a transmission box, a gearbox, a first high-pressure pump, a second high-pressure pump, two groups of reverse osmosis membrane components, a turbine and a generator, wherein the power of the first high-pressure pump is higher than that of the second high-pressure pump; the first high-pressure pump, the second high-pressure pump and the two groups of reverse osmosis membrane components selectively work; the water pressure is stabilized by changing the power of the system, the high-pressure sea water is generated by respectively impacting the first water turbine and the second water turbine to rotate to serve as power in the sea water flowing process during flood tide and after ebb tide, high-pressure concentrated seawater discharged from the reverse osmosis membrane components impacts the turbine to rotate, the turbine drives the generator to rotate to generate electric energy, and comprehensive utilization and conversion of the tidal energy are realized; and moreover, additional power is not required to be provided in the system, the operating cost is low, the tidal energy is a renewable energy source, and the bidirectional-drive power regulation type sea water desalination and power generation device has the sustainable development property, high social benefits and high application value.

The invention discloses a mudflat shellfish collecting device which comprises a power device, a water suction pump connected with the power device, a water inlet pipe, a water outlet pipe, a frame and a fishing net, wherein the water inlet pipe and the water outlet pipe are connected with the water suction pump. A sand flushing pipe connected with the water outlet pipe is arranged on the front side of the frame, the rear side of the frame is connected with the fishing net correspondingly, and the sand flushing pipe is provided with a plurality of water outlet holes. The mudflat shellfish collecting device solves the problems that shellfish cannot be collected during flood tide and the collecting difficulty is large, labor intensity and collecting difficulty are reduced, and production efficiency is improved.

The invention discloses a flood prevention assembly for a high-stability water conservancy project. The assembly comprises a flood prevention baffle, a lifting flood prevention protection plate is arranged in the middle of the flood prevention baffle, a rubber pad is arranged between the lifting flood prevention protection plate and the flood prevention baffle, a buoyancy plate is fixedly mountedon the front end of the lifting flood prevention protection plate, lifting sliding grooves are formed in the two sides of the lifting flood prevention protection plate, a connecting sliding block is mounted on the inner side of the lifting sliding groove, a waterproof block is mounted above the connecting sliding block, a lifting sliding block is fixedly mounted at one end of the connecting sliding block, a limiting spring is mounted above the lifting sliding block, and multiple draining pipes are evenly mounted on the rear end face of the flood prevention baffle. The lifting flood preventionprotection plate, the connecting sliding block, the lifting sliding block, the limiting spring and the buoyancy plate are mounted to effectively limit a flood tide water level at the flood season, tide water is prevented from spreading, safety is ensured, the structure is simple, and operation is convenient.

The invention discloses a method for culturing pharaoh cuttlefish fries. The method includes the steps that pharaoh cuttlefish eggs are framed and fixed at the position apart from the bottom of a pool by 20 cm-30 cm to be hatched in water; water temperature, salinity and the PH value are accurately regulated and controlled so that the optimal hatching and fry culturing state can be achieved; the environment most suitable for pharaoh cuttlefish hatching and fry culturing is adopted; a shallow-water hatching scheme is adopted, and a water-changing method of flood tides and falling tides in the natural world is simulated so that water consuming can be efficiently managed; scientific daily management operation regulations in pharaoh cuttlefish fry culturing are set. The production cost can be substantially lowered, the hatching rate and the survival rate of the pharaoh cuttlefish fries can be increased, and seedlings higher in quality can be obtained through culturing.

The invention belongs to the technical field of ecological environment engineering, and particularly relates to a method for comprehensive treatment of spartina alterniflora through terrace type flooding surrounding and mowing. The method comprises the steps that in a spartina alterniflora treatment area, a dam perpendicular to the coastline and a dam parallel to the coastline are constructed respectively, the dams are connected with each other, the treatment area is enclosed into a closed area, the overground part of the spartina alterniflora in the area is mowed in the late elongation stage, the dams store tide water during flood tide, the stubbles of the mowed spartina alterniflora in the treatment area form terrace type flooding surrounding until no new spartina alterniflora germinates any more, and the dams are removed to restore the natural environment of a beach. The method has the advantages that the method is simple and easy to operate, the water storage performance of the dams is good, the applicability is strong, the method is not only suitable for small-range spartina alterniflora treatment, but also suitable for large-range spartina alterniflora treatment, the treatment effect of the spartina alterniflora is good, the cost is lower, the influence on the environment is small, and the ecological environment of the beach is easy to restore.

The invention discloses a roll-on and roll-off boarding method for an offshore wind power foundation steel pipe pile, the roll-on and roll-off boarding method comprises the following steps: collectinghydrologic data of a wharf in the loading period; calculating the water pump flux of ballast water of a pile shipping barge and the boarding speed and the roll-on and roll-off operation time of a roll-on and roll-off vehicle; berthing the pile shipping barge near a roll-on and roll-off position of the wharf, regulating the posture of the wharf and the height of a deck by regulating the ballast water, reliably mooring a mooring rope between the pile shipping barge and the wharf; placing the steel pipe pile on the roll-on and roll-off vehicle; after the plane of the deck of the pile shipping barge and the plane of the wharf are basically level in the flood tide, arranging a roll-on and roll-off approach road between the wharf and the tail part of the pile shipping barge; driving the roll-onand roll-off vehicle to slowly move towards the pile shipping barge, constantly regulating the ballast water to regulate the posture of the pile shipping barge in the process, keeping the deck of thepile shipping barge to be level with the wharf all the time; and after finishing shipping, enabling the roll-on and roll-off vehicle to automatically unload and get off the pile shipping barge. The roll-on and roll-off boarding method is not only safe and reliable, but also saves the transportation money.

The invention relates to a concrete tidal environment test box. A refrigerator, a dehumidifier, a humidifier and a heater are all connected to a second box body; the refrigerator, the dehumidifier, the humidifier and the heater are all connected to a control panel; a temperature and humidity sensor is connected to the control panel; the bottom of the second box body is provided with a tidal watertank; the side wall of the tidal water tank is provided with a water inlet port and a water outlet port; the water inlet port and the water outlet port are connected to a water storage box outside thesecond box body; a water inlet pipe and a water outlet pipe are provided with a flood tide pump and an ebb tide pump; the upper end of the tidal water tank is provided with a test piece placement frame; and the top end of the second box body is provided with an ultraviolet lamp through the frame. The invention also relates to a concrete tidal environment test method, which comprises steps of testpiece placement, parameter setting and test ending. The design is scientific and reasonable, the operation is convenient, the performance of the concrete in a seaside environment can be quickly simulated, the cracking and aging of the concrete under strong light irradiation and seawater tide impacts can be acquired, and guiding for engineering practice is facilitated.

A flexible water gate is described that is suitable for retaining water in a port, canal or river estuary. The gate is both economical to build and maintain and comprises a gate controller that allows a flexible member to be controllably moved between a closed and open position, as required. A flexible flood control barrier that comprises one or more of the aforementioned flexible water gates is also described. These gates are deployed side to side and provide an economical way of providing flood protection to an area susceptible to flood tides. When not in use the flexible membranes of the flexible water gates can be stored on the riverbed so permitting unrestricted access for marine vessels.

Disclosed is a bay internal tide automatic flow dredging and automatic flow sand washing and dredging technology system. The system comprises a body dam with an upper gate and a lower gate, an outer drainage dam and an inner drainage dam. The horizontal plane difference caused by flood tide and falling tide inside and outside the body dam drives seawater to form organized flow under the guidance of the inner and outer drainage dams, and the problem of internal bay silt storage is solved, hardened sludge can be stirred on the basis of the combined effect of a sand washing ship, pure sludge mud accounting for a small amount of sludge can be washed away by adjusting the flow through the gates of the body dam and seawater washing in the guiding direction of the drainage dams, sea sand accounting for a large amount of the sludge is washed out through the sand washing ship is adopted as a building material, the amount of sludge discharged into ocean is decreased, and economic benefits are increased. The technology can be widely applied to travel and tidal power generation bay dredging projects.

The invention discloses an offshore tidal wind power generation device and a power generation method in the technical field of renewable energy power generation. A tidal reservoir is included, the front and rear end faces of a middle portion of an inner cavity of the tidal reservoir are provided with tidal generator bins, the right side of each tidal generator bin is evenly provided with transverse turbines from front to back, the top of each tidal generator bin is evenly provided with vertical turbines from front to back, a water inlet channel is formed in the left side of the inner cavity ofthe tidal reservoir, a water storage reservoir is arranged on the left side of the top of the inner cavity of the tidal reservoir, the transverse turbines rotate reversely to convert kinetic energy into electrical energy, the other part of seawater falls through a water outlet in the water storage reservoir and a water storage tank, the vertical turbines are impacted to forwards rotate, gravity potential energy is converted into electric energy, the flood tide seawater kinetic energy is too large, the single lateral turbines cannot be fully utilized, the kinetic energy is converted into gravitational potential energy to be converted into electrical energy through the vertical turbines, and the energy conversion efficiency is improved.

The invention provides a method for cultivating intertidal zone seawater plankton. The technical scheme is that the method is implemented by mainly adopting a high tide high-water line (1), a neap tide high-water line (2), a high tide lower-water line (3), a neap tide low-water line (4), a seabed (5), a timber pile (6), a floating ball (7), a coast (8), a high tide area (9), a moderate tide area (10), a low tide area (11), a hanging ring (12), a screw (13), a nut (14), a timber pile rod (15), a sharp end (16), a flood tide (17), a string (18), a box body (19), an ebb tide (20), a buoy door (21), a woven bag door (22), a rotating shaft (23), a buoy box (24), a bagged soil box (25), a box hook (26), a box ring (27) and a buoy (28). According to the method for cultivating intertidal zone seawater plankton, deposited ooze on an intertidal zone beach is effectively utilized, and improvement of the ecological environment and sustainable development of shellfish cultivation are implemented.

The invention discloses a tidal energy automatic power technology,which is characterized by the following: a part of the automatic control system connects to the seawater out of the water retaining dam; a part of the automatic control system connects to the seawater in reservoir in water retaining dam; every part of the automatic control system has an inducerinducer ball float; the inducerinducer ball float can open the thread guard of tidal energy automatic power device which is near the water retaining dam and the thread guard which is near reservoir in water retaining dam to make the seawater of flood tide and down-tide attack the new type turbine in different directions. the invention enlarge the revolution rate of the turbine and impulse force according to the gear drive principle, lever principle and single drive principle, which improves the generating efficiency.

The invention relates to a controlled experimental apparatus for simulating a beach fish perch habitat, and a construction method thereof. The controlled experimental apparatus comprises a habitat controlled experiment device and an intelligent tide level simulation device, wherein the habitat controlled experiment device comprises a breeding box, a tidal creek is arranged in the middle of the breeding box, the flood tide direction of tide submerges the upper portion area of the tidal creek, the interior of the breeding box and both sides of the tidal creek are respectively connected to grassless beach and salt marsh vegetation, the side surface of the breeding box is provided with the intelligent tide level simulation device, the breeding box is connected to the intelligent tide level simulation device respectively through a water inlet pipe and a water outlet pipe so as to be used for water circulation in the breeding box, the intelligent tide level simulation device comprises a cubic box, an intelligent water pump is arranged on the right side of the cubic box, and is connected to the water outlet pipe, the side surface of the intelligent water pump is provided with a water level regulation device, and the intelligent water pump is connected to the water level regulation device through a circuit. According to the present invention, the controlled experimental apparatus is the good device for studying the fish perch habitat, and has advantages of generalizability and ease operation.

The invention relates to an automatic sea blocking dyke blocking tides with tides, and belongs to the technical field of building of movable sea blocking dykes. The automatic sea blocking dyke achieves the purpose that impact force, pressure and buoyancy force of flood tide water are used for automatically assembling dyke wallboards into a sea blocking dyke body. In order to achieve the purpose, the automatic sea blocking dyke is formed in the manner that a dyke base with limiting pillars and spoil disposal grooves is arranged on the coast, and the multiple dyke wallboards which are provided with floating barrels in a fixedly-connected manner and connected through flexible structures are connected through hinges. During ebb tides of sea water, the dyke wallboards serve as roads; during flood tides of sea water, the sea level rises, the sea blocking dyke body which is not prone to occurring water seepage and water leakage can be automatically assembled according to rise and fall of floodwater; and in short, the dyke becomes high during the flood tides, and the dyke is hidden during the ebb tidies.

The invention relates to a saline-alkaline tolerance windproof landscape forest in coastal regions of the southern part of China. The windproof landscape forest comprises four parts, namely a first scattering structure shrub and herbaceous plant zone, a second air permeation structure tree frost zone, a third scattering structure tree and bush zone and a fourth air prevention tight structure tree,bush and grass zone which are constructed from 400-800m away from a flood tide water level from a coastal zone to a land in sequence. With the mixed combination of scattering structures, air permeation structures and tight structures, a single structure of a conventional wind prevention forest is changed, a typhoon running route has complex resistance, due to the air scattering and permeation structure at the front end, typhoon can be scattered and led to high spaces with less buildings and human activities, wind near the ground is further dredged by the scattering structures and is finally baffled by the tight structures, then production and living activities in the windproof forest can be protected, and typhoon loss can be reduced. The windproof structure provided by the invention is reasonable and good in windproof effect.

According to a green energy device, inexhaustible kinetic energy (also called 'ocean energy' ) formed by ocean current movement caused by natural tide of the sea is used as an original power resource for power generation, collision and energy storage between barge power generation equipment and tidal water flow on the sea are solved by adopting a single-point mooring device, and no matter flood tide or ebb tide, a barge performs 360-degree stepless disordered rotation along single-point mooring through a shaft sleeve (knuckle), a power generator which is installed in a multi-group or matrix manner generates 600V three-phase electricity under the action of ocean current, the 600V three-phase electricity is boosted to 60KV and then passes through a single-point mooring electric slip ring, and the electric energy is converged into an offshore power generation general field through a submarine cable and then is merged into the state grid to be transmitted to users.

The invention relates to a method for fishing juvenile eleutheronemate rhadinum living bodies, which comprises the following steps of: laying an inserted net in a coastwise water area at the water depth of 1.5 to 3m on a high water level during flood tide; waiting for the flood tide, so that juvenile eleutheronemate rhadinum enters a nearshore water area of the inserted net, and the juvenile eleutheronemate rhadinum is stopped in the net area by the inserted net during falling tide; and pushing the inserted net on a nearshore side of the inserted net by using a push net when a falling tide water level is reduced to a water depth of 50cm in the nearshore water area of the inserted net, fishing the juvenile eleutheronemate rhadinum blocked in the inserted net, lifting the push net out of the water surface, keeping the bottom of the tuck net soaked in water, rapidly fishing the juvenile eleutheronemate rhadinum captured at the bottom of the tuck net of the push net by using a fishing net, and rapidly throwing the juvenile eleutheronemate rhadinum into a transportation water tank in which clean seawater which is taken from the water area of the inserted net and is continuously aerated is filled in advance. By the method, the problem of high death rate in the process of fishing the juvenile eleutheronemate rhadinum can be solved.