202 results about "Tidal power" patented technology

The invention relates to an offshore energy platform coordinated scheduling method based on multi-energy complementation and hierarchical optimization, which combines multi-energy complementation characteristic modeling, multi-target opportunity constraint optimization and rolling optimization, and realizes offshore multi-energy coordinated scheduling by constructing a hierarchical decoupling optimization and control system. Based on prediction and historical data of multiple types of energy such as offshore wind power, photovoltaic energy and tidal energy, complementarity and flexibility of the energy are quantified, high-quality data support is provided for scheduling optimization, a day-ahead layered optimization model containing renewable energy priority consumption and flexible standby configuration is constructed, and a medium-and-long-term output strategy is formulated. Output of various energy sources is dynamically adjusted through a rolling optimization mechanism, and flexible response to renewable energy fluctuation is achieved. And finally, second-level frequency and voltage support is realized by using a virtual synchronous machine and droop control, and the self-adaptive capability of the system is enhanced. According to the invention, the cooperative regulation capability and operation stability of the offshore platform multi-energy system can be effectively improved, and the dependence on a traditional standby power supply is reduced.

The invention discloses an energy storage configuration and scheduling method and device considering section power flow power fluctuation optimization and source network load storage coordination, and belongs to the technical field of energy storage configuration and scheduling. The method comprises the steps that after a new energy output curve, a load curve and a power grid topological structure are obtained, a constructed double-layer mixed integer programming model is solved, and a new energy output curve is obtained; obtaining an energy storage rated capacity and an energy storage intra-day optimization scheduling curve; and then calculating a standard deviation of daily cross-section tide power fluctuation, if the standard deviation of the daily cross-section tide power fluctuation is greater than a preset threshold value, solving the double-layer mixed integer programming again until a preset convergence condition is met, obtaining an optimal energy storage rated capacity and an optimal intra-day optimal scheduling curve of energy storage, and performing energy storage configuration and scheduling according to the optimal energy storage rated capacity and the optimal intra-day optimal scheduling curve. According to the method, the reasonable configuration scheme is ensured by designing the optimization target and the constraint, the reasonable energy storage configuration capacity is ensured by reducing the economic weight of the energy storage capacity, and the redundancy or insufficiency of the capacity is avoided.

The invention provides a computing power optimization method for green energy driving of a data center, and the method comprises the steps: obtaining real-time tidal energy supply data and load demand calculation data, analyzing the matching degree of periodic supply of tidal energy and load fluctuation demand calculation, and determining the peak dislocation time period of tidal energy supply and load demand calculation; evaluating an execution window of a high-energy-consumption calculation task of the data center according to a peak dislocation period of tidal energy supply and calculation load demand, and obtaining an available resource list in an energy sufficient period; if the migrated computing power resource allocation balance degree does not reach a preset balance threshold value, obtaining a current load of a server cluster of the data center, and determining an energy valley period activation condition; and analyzing the mitigation degree of resource mismatching from the available capacity index of the buffer energy, reallocating idle computing power resources according to the mitigation degree, and determining the supplement demand of the tidal energy shortage time period.

The invention relates to the technical field of tidal water conservancy power generation, and provides a tidal power-based power station and a power generation method thereof.The power station comprises a first infrastructure body, a second infrastructure body, a power generation device, an adjusting device and an energy storage device; the first infrastructure body and the second infrastructure body are oppositely arranged, so that a flow guide channel for tidal water to pass through is formed between the first infrastructure body and the second infrastructure body; the power generation device is arranged in the flow guide channel and used for generating power under the action of tide water in the flow guide channel and outputting electric energy; the adjusting device is used for adjusting the flow, flow speed and flow direction of the tide water allowed to pass through the flow guide channel according to the fluctuation quantity of the tide water flow speed; the energy storage device is connected with the power generation device and used for storing electric energy output by the power generation device and outputting the electric energy externally for grid connection. Fluctuation of output electric energy of the power generation device can be effectively buffered, flexible grid connection of the output electric energy of the power generation station is achieved, and the overall operation stability of the tidal power generation station is effectively improved.

The invention discloses a seawater parameter correlation analysis method and device, electronic equipment and a storage medium, and relates to the technical field of ocean monitoring. The method comprises the following steps: acquiring satellite remote sensing data of a target sea area and performing space-time quality screening; preprocessing the satellite remote sensing data to generate correction data for temperature inversion; analyzing tidal dynamic characteristics of the target sea area; inverting a sea surface temperature field based on the pre-processed data, and performing enhancement analysis by fusing tidal dynamic characteristics; establishing a coupling strength quantitative index of the tidal power and the temperature field; collecting and complementing historical observation data of the power plant; the relevance between the temperature and the liquid level parameters is counted and analyzed; and the correlation of the seawater parameters is judged by integrating the coupling strength quantitative index and the data statistical result. The invention provides a two-channel decision-making mechanism with cooperation of a physical mechanism and operation data statistics, and the mechanism not only improves the operation efficiency of the cooling system of the power plant, but also reduces the misjudgment rate of abnormal working conditions, and provides an enforceable optimization strategy for warm drainage management.

The invention discloses an offshore water quality comprehensive treatment device utilizing an artificial wetland technology, and belongs to the technical field of sewage treatment. The offshore water quality comprehensive treatment device comprises a base, a water inlet and a water outlet are formed in the two sides of the base respectively, a lifting cavity corresponding to the water outlet is formed in the base, and a balancing weight is arranged in the lifting cavity in a sliding fit mode; lifting columns are symmetrically and integrally formed at the top end of the balancing weight, air cavities are symmetrically formed in the base, the top ends of the two lifting columns extend into the corresponding air cavities respectively and are in sliding fit with the air cavities, and ventilation assemblies used for conveying air in the air cavities to the water collection and drainage layer are arranged on the inner side walls of the air cavities; a plurality of teeth are arranged on one side of each lifting column in the length direction of the lifting column, and the teeth are meshed with swing assemblies used for generating periodic arc-shaped swing. And a vibration bracket is embedded in the filler layer. According to the invention, offshore tidal energy is utilized to realize self-adaptive opening and closing of the water outlet, and meanwhile, alternate shearing force is generated on the filtering filler in the base, so that the possibility of hardening of the filler after long-time working is reduced.

The invention provides an offshore seabed power generation and energy storage integrated energy system. The system comprises an underwater turbine generator device, an air compressor, a flexible constant-pressure air storage bag and a steam turbine generator. The underwater turbine generator device converts from the undercurrent of the seabed to obtain first electric energy; the air compressor sucks air from the sea level under the driving of first electric energy, and compresses and stores the sucked air in the flexible constant-pressure air storage bag; the flexible constant-pressure air storage bag releases compressed air stored in the flexible constant-pressure air storage bag to a turbonator on the shore; the steam turbine generator is driven by the compressed air released by the flexible constant-pressure air storage bag to rotate, and second electric energy used by the user is obtained through conversion. The seabed pressure and tidal energy are utilized, renewable energy power generation and the compressed air energy storage technology are combined, the intermittent problem of island renewable energy power generation is solved, the defect that storage is not facilitated due to low energy density of compressed air energy storage is overcome, and continuous supply of energy is ensured.

The invention discloses a concrete block slope protection auxiliary laying device for hydraulic engineering, and relates to the technical field of slope protection laying devices.The concrete block slope protection auxiliary laying device comprises a support and a brick knocking mechanism, multiple sets of shells are arranged at the bottom of the support, and positioning mechanisms are arranged at the bottoms of the shells. According to the concrete block slope protection auxiliary laying device for the water conservancy project, when a tidal power generation slope protection is constructed, concrete blocks need to be laid on the slope protection, the concrete blocks are stacked on the slope protection firstly, then a support is moved, and multiple sets of positioning mechanisms at the bottom of the support are inserted into hexagonal holes in the concrete blocks; then the positioning mechanism is started to position the building blocks, the brick knocking mechanism can be triggered after positioning is completed, the positioned building blocks are automatically knocked, the building blocks are evenly laid on the tidal power generation protection slope, and when the size of the building blocks is changed, the distance between the multiple sets of shells can be adjusted through the adjusting mechanism so that the building blocks can adapt to the sizes of the different building blocks.

The offshore wind power platform tidal energy vibration reduction power generation device is in a circular truncated cone shape, is fixedly arranged on a sunken pile in a sleeving mode and comprises a bottom disc and a top disc, the diameter of the top disc is larger than that of the bottom disc, the two sides of the top disc are connected with a working platform on the upper portion of the sunken pile through cables, and a connecting structure is arranged between the top disc and the bottom disc. An annular locking structure is coaxially arranged at the top of the top disc and sleeves the sunken pile, horn-mouth-shaped flow guide structures are uniformly arranged on the side wall of the connecting structure, an impeller is arranged on the inner side of the connecting structure, an impeller mounting shaft is fixedly connected with a generator, and the generator is connected into a power storage device of the wind power platform. The effect of reducing the vibration amplitude of water flow impact on pile sinking is achieved, tidal energy is utilized for power generation, the height of the power generation device can be adjusted according to the rising tide condition, and the power generation efficiency is maintained.

The invention provides an offshore renewable energy power-based hydrogen-ammonia preparation zero-carbon comprehensive energy application system, which specifically comprises a renewable energy power module, an offshore energy platform module and a hydrogen-ammonia application module, and comprises an offshore photovoltaic module, an offshore wind power module and an ocean tidal energy module of the renewable energy power module; the offshore energy platform module comprises an intelligent control module, an air separation device, a water electrolysis hydrogen production device, an ammonia synthesis device, a buffer storage device and a hydrogen ammonia power generation device; the hydrogen-ammonia application module comprises a marine transportation system and a hydrogen-ammonia energy comprehensive application system, and the hydrogen-ammonia energy comprehensive application system comprises a hydrogen production and hydrogenation integrated station, an ammonia filling station and distributed power generation equipment. The power generated by the renewable energy power module is applied to the offshore energy platform module for hydrogen production and ammonia synthesis, and then the power is conveyed to the onshore hydrogen ammonia application module for application, so that the application of zero-carbon comprehensive green energy is really realized.

The invention discloses a manufacturing method of an offshore comprehensive energy system and equipment, and particularly relates to the technical field of ocean energy development, which comprises the following steps: constructing a medium-low water head pumped storage hydropower station connected with a power grid in the ocean; a tidal energy reservoir is built in the ocean, and a tidal energy connecting dam is built between the tidal energy reservoir and the pumped storage hydropower station; a solar water pumping device, a wind power water pumping device and a wave energy water pumping device are respectively arranged at preset positions of the tidal energy reservoir, the pumped storage reservoir dam of the pumped storage hydropower station and the tidal current energy connecting dam; multi-energy complementation and unified energy storage are achieved, tidal energy, tidal current energy, solar energy, wave energy and wind energy are integrated into the pumped storage reservoir through respective water pumping devices, intermittent and fluctuating ocean energy is uniformly converted into stable gravitational potential energy to be stored, and then concentrated power generation is conducted through the medium-low water head pumped storage power station. The problem of unstable power supply is solved, and the energy storage cost is reduced.

The invention discloses marine disaster early warning plankton density monitoring equipment, and belongs to the technical field of plankton density detection, the marine disaster early warning plankton density monitoring equipment comprises an anchoring ladder column and a plurality of positioning suspension seats, the top end of the anchoring ladder column is connected with a top sealing seat through a lifting umbrella column, and the top sealing seat is connected with the positioning suspension seats through a plurality of umbrella support assemblies. Through the arrangement of the reciprocating assembly and the opening and closing assembly, the imaging plankton recorder can be driven to reciprocate up and down by utilizing the cooperation of an impact spinning roller and a two-way threaded column and utilizing tidal power, layered monitoring at different depths is realized, and the motion of a reciprocating sleeve frame triggers magnetic repulsive force and controls opening and closing of a sealing arc plate; shallow-layer and deep-layer water samples are collected at the same time in the initial stage, meanwhile, the rotary taking assembly and the anchoring protruding block are arranged, the sediment sampling barrel can fall down to enable the impeller piece to drive the auger blade to rotate, the notch sleeve is opened in combination with the bottoming inertia of the anchoring protruding block and the ejection of the blasting diaphragm, and undisturbed sampling of bottom-layer planktons and sediments is achieved.

The invention discloses an ocean platform based on multi-energy complementary power supply and composed of a seabed data center and an offshore charging pile, and relates to the technical field of underwater data centers. Comprising a multi-energy complementary power generation system, an offshore platform, a seabed data center and a protection system. The multi-energy complementary power generation system comprises a solar energy collecting device, an offshore wind power collecting device, a wave energy collecting device and a tidal energy collecting device. A wind-light-wave-tide hybrid energy matrix and three-dimensional space cooperative system is innovatively constructed, normal operation of the offshore charging pile and the seabed data center cabin is maintained while electric energy is collected, and the energy ratio is dynamically adjusted through the energy allocation chamber. Waste heat generated by cooling of the seabed data cabin is recycled through the data center waste heat feedback heat pump system, reasonable utilization of the waste heat is achieved, and the energy utilization rate is increased.

The invention discloses a floating type wind power platform, and relates to the technical field of wind power generation, according to the scheme, the floating type wind power platform comprises a semi-submersible floating type platform, a first mooring system, a concrete block, a second mooring system and a stabilization power generation device, the first power end of the stabilization power generation device is connected with the concrete block through the first mooring system, and the second power end of the stabilization power generation device is connected with the seabed through the second mooring system so as to capture wave energy or tidal energy. Due to the fact that the floating type wind power platform is used, wave energy or tidal energy can be captured and converted into electric energy, the energy utilization approach of the floating type wind power platform is expanded, and energy utilization is more sufficient.

The invention relates to the technical field of offshore photovoltaic power generation, and discloses an offshore photovoltaic power generation device with raft culture performance, which comprises a plurality of connecting angle blocks, and floating mechanisms are connected among the connecting angle blocks, so that photovoltaic power generation can be realized, the angle of a photovoltaic panel can be adjusted during power generation, better power generation is facilitated, and the service life of the photovoltaic power generation device is prolonged. The photovoltaic panel power generation component floats in the air by using the inflatable floating ball, so that the photovoltaic panel power generation component cannot cover the sea surface, the fishery breeding cannot be influenced, the corresponding space is saved, and the space utilization rate is improved; the distance between photovoltaic panels can be adjusted, the photovoltaic panels are protected, the photovoltaic panels are prevented from being collided and damaged, the photovoltaic panels are protected, and the service life is prolonged; the culture net can be easily cleaned by utilizing tidal energy of seawater, the cleaning efficiency is improved, and the culture net can be cleaned without increasing external force.

The invention discloses a self-adaptive split type ocean boundary layer dynamic monitoring device, relates to the field of intertidal zone monitoring, and aims to solve the problem that existing equipment is difficult to meet long-term, three-dimensional and stable monitoring. The device comprises a main body and a buoy unit, the buoy unit is divided into three layers of platforms which are respectively provided with atmosphere monitoring equipment, water level wave monitoring equipment and water body monitoring equipment, and atmosphere-water body multi-element three-dimensional monitoring can be realized; the main body further comprises a hollow pipe, a micro floating body, a step foot, a sediment sampling pipe, a power generation floater and a supporting mechanism, the step foot assists the device in moving in a complex terrain, the sediment sampling pipe obtains a time sequence sample, the power generation floater utilizes tidal power generation to supply power, and the supporting mechanism adjusts adsorption force and bearing force through a triangular pyramid riveting structure, barbs and acoustic ranging to ensure that the device is stable. The device does not need to be frequently put and recycled, can stably monitor for a long period, and provides comprehensive data for intertidal zone environment research.

The invention relates to an underwater turbine (100), in particular an underwater turbine (100) of a tidal power plant, having at least one rotor shaft (8), wherein: one end of the rotor shaft (8) can be connected, for conjoint rotation, to a rotatable rotor hub (4) which bears rotor blades (6), and the other end of the rotor shaft extends into a stationary housing of the underwater turbine (100), in particular a nacelle (2) of the tidal power plant; the underwater turbine (100) has a positive-engagement rotor rotation lock (20) in an interior of the stationary housing of the underwater turbine; the rotor rotation lock (20) has at least one translatable locking element (28), which can be brought from a free position, in which the rotor rotation lock (20) does not act, into a locking position, in which the locking element (28) prevents rotation of the rotor shaft (8), and at least one receptacle (26), which is designed such that, in the locking position, the at least one receptacle is engaged with the at least one locking element (28) in order to prevent rotation of the rotor shaft (8).

The present invention discloses a hydraulic control system, and in particular, a hydraulic control system for a wave-powered generator set, belonging to the technical field of hydraulic control equipment design and manufacturing. A hydraulic control system for a wave-powered generator set is provided, which can effectively convert ocean wave energy and tidal energy into energy that can be used by humans. The hydraulic control system includes at least a tidal power generation control unit and a hydraulic station. The oil delivery end of the tidal power generation control unit is connected to the hydraulic station. The tidal power generation unit is connected to an external power float through the tidal power generation control unit. In cooperation with the tidal power generation control unit, the tidal power generation unit utilizes the ebb and flow of ocean waves to drive the tidal power generation unit to generate electricity.

This invention relates to a method for constructing a biodegradable mangrove ecological island based on dynamic tidal energy regulation, and an artificial island siltation device. The artificial island siltation device includes a bamboo gate system, a hemp rope net system, a fixed pile system, and a limiting system. A dynamic filtration structure is formed by the liftable bamboo gate and the hemp rope net. Utilizing the buoyancy difference and water flow velocity changes generated by tidal rise and fall, a synergistic effect is achieved: accelerating the passage of sediment-laden water during high tide and promoting siltation during low tide. A fully biodegradable material is used to construct a growing silt body. The buoyancy balance is regulated by the bamboo joint holes, ensuring the device remains suspended on the surface layer of the silt body. This allows for continuous siltation and elevation of the tidal flat, forming an artificial island that provides a site for mangrove seedling planting and meets the required daily sunrise duration for mangrove growth. The method and device of this invention have technical advantages such as low construction cost, dynamic adaptation to tidal changes, and avoidance of secondary pollution.

The invention discloses efficient water pumping equipment utilizing marine environment energy, and belongs to the field of marine engineering equipment. The equipment comprises a high-pressure gas supply assembly, a guide column connected to the seabed, a middle buoy connected to the guide column in a sliding mode, and an upper telescopic cylinder and a lower telescopic cylinder which are connected to the top and the bottom of the middle buoy respectively. The high-pressure gas supply assembly can convert wind energy, solar energy, tidal energy or wave energy into compressed air and store the compressed air. The middle buoy can change the resultant force of the gravity and the buoyancy by utilizing the rising and falling of tides or through the charging and discharging of high-pressure gas and the change of the water discharging and absorbing capacity of the middle buoy, the middle buoy is acted to slide along the guide post, and the upper and lower telescopic cylinders are respectively driven to alternately pump water by the up-down movement of the middle buoy. By filling or discharging high-pressure gas into or out of the middle buoy, the buoyancy and gravity balance of the middle buoy can be actively adjusted, so that the movement frequency of the middle buoy is greatly increased, the tidal cycle limitation is broken through, and all-weather, high-frequency and efficient water pumping operation is achieved in combination with the marine environment energy storage condition.

A system for optimizing energy obtained from at least one energy source and methods for making and using the same. By monitoring an operating environment of the energy source and an operational status of the energy source itself, the energy optimization system establishes and maintains an operating region of the energy source to optimize the energy supplied by the energy source and adjusts the operating region, as needed, for adapting to any changes in the operating environment or the operational status in real time. The energy optimization system thereby can enable the energy source to continuously operate at new peak efficiency and power. A supplemental control system can provide enhanced monitoring, commanding, and controlling for the energy optimization system. The energy optimization system advantageously can be utilized to optimize the energy obtained from renewable energy sources, such as solar, wind, tidal and thermal energy sources.

The invention discloses a marine organism adhesion prevention self-cleaning tidal power generation device which comprises a base station, tidal power units, a power generation unit and a cleaning assembly, and the tidal power units are rotationally installed on the two sides of the base station. Through the synergistic effect of a cleaning motor, a cleaning gear pair, a swing rod and a scraping plate, the cleaning assembly can effectively remove marine organisms attached to the surface of the tidal buoy, and the situation that the marine organisms are attached to the surface of equipment for a long time, and normal operation of the equipment is affected is avoided; according to the device, up-and-down movement of the tide is converted into mechanical energy through the tide power unit, the energy conversion efficiency is further enhanced through the hydraulic system and the gear transmission system, an energy conversion chain of the system is reasonable and effective, and tidal energy and stable electric power output can be exerted to the maximum extent; and the power generation gear always rotates in a single direction, so that negative effects caused by reverse movement are avoided, and the stability of power output is ensured.

The invention relates to the technical field of hydroelectric generation, in particular to a tidal power storage pressurization hydroelectric generation system which is internally provided with a machine body, two lifting connecting frames capable of moving up and down are arranged on the upper end face of the machine body in a bilateral symmetry mode, a mounting top plate is fixedly arranged in the middle of the upper end face of the machine body, and two wave pressure storage plates capable of moving left and right are arranged above the left side and the right side of the machine body; the wave pressure storage plate can be influenced by tidal energy and wave energy and can continuously and slowly move towards one side close to the power generation impeller under the impact of external water flow, so that a pressure storage connecting column starts to move towards one side of the center, and a force storage spring and an impact block are extruded; and the impact block can quickly move towards one side close to the power generation impeller under the resilience force of the force storage spring after being in contact and limited, so that water pressure impact is generated, the power generation impeller is accelerated to rotate, and the hydroelectric power generation efficiency and the power generation time of the hydroelectric power generation device can be effectively improved and prolonged at lower cost. And meanwhile, the self-adaptive tide and wave dual-energy utilization advantage is achieved.

The invention discloses a bidirectional automatic reversing fluid power generation device which comprises at least two horn mouths, a power generator system, a piston and a channel sealing ring. The horn mouth is connected with a pipeline, and a hole is formed in the pipeline; the generator system is communicated with a pipeline connected with the horn mouth; the piston is arranged in the pipeline between the horn mouths; the channel sealing ring is arranged on the inner wall of the pipeline and matched with the piston to achieve opening and closing of the channel. When fluid enters from one direction, the corresponding piston is pushed to move to open the channel in the direction, meanwhile, the piston in the other direction is pushed to make contact with the channel sealing ring to seal the channel in the direction, the fluid is forced to be guided to a generator system for power generation, and the fluid after acting is discharged from a hole in the channel where the generator is located. Through cooperation of the piston and the channel sealing ring, automatic reversing of the fluid channel is achieved, external control is not needed, the structure is simple, and reliability is high. The device can adapt to a wind power generation scene and a tidal power generation scene at the same time, can also be applied to various scenes such as electric vehicle auxiliary power generation and water surface floating power generation, and has wide applicability and good application prospects.

The invention belongs to the technical field of intelligent aquaculture, and particularly discloses a tidal power generation and intelligent cultivation system which comprises a power input module, a power transmission module, a power generation module and an intelligent cultivation module which are cascaded, the power input module is used for capturing sea wave impact kinetic energy, and the power transmission module is used for transmitting the sea wave impact kinetic energy to the intelligent cultivation module; the mechanical energy is input into the power transmission module; the power transmission module is used for stably transmitting mechanical energy and converting the mechanical energy into one-way rotating motion so as to drive the power generation module to work. The power generation module is used for converting mechanical energy into electric energy and supplying power to the intelligent breeding module; the intelligent breeding module is used for achieving intelligent breeding control and management based on power supply of the power generation module. By means of mechanical transmission and an intelligent control system, efficient conversion from tidal kinetic energy to electric energy and refined and automatic management of the breeding process can be achieved.

This invention relates to a construction method for a tidal power station structure, comprising the following steps: S1, installing and positioning the jacket structure using a floating crane; S2, floating the steel casing into the positioning hoist, drilling holes through the steel casing to the design elevation, and pouring pile foundations to form a steel-concrete composite pile structure; S3, prefabricating the foundation on land, pre-installing steel sleeves at the bottom of the foundation, and setting up a double-arm steel cofferdam around the upper perimeter of the foundation; S4, floating the prefabricated components to the design position, and connecting the steel sleeves with the top of the steel casing; S5, inflating airbags to form a sealed water-blocking system, and pumping out water from the double-arm steel cofferdam to create a dry working area; S6, cutting the portion of the top of the steel casing exceeding the pile foundation within the dry working area, and pouring the hollow structure of the foundation; S7, dismantling the double-arm steel cofferdam and jacket structure, and constructing the work platform; S8, hoisting the turbine assembly platform and the work platform as a whole. This invention optimizes the construction process of a tidal power station and improves the stability and durability of the structure.

The application discloses a tidal thermal energy difference power generation device and relates to the field of power generation, which comprises a first dam, a second dam, a separation component, a water storage chamber, a thermal energy difference integrated power generation system, a controller and two side dams, a water storage inlet channel for connecting shallow seawater and a reservoir is arranged on the first dam, a water storage one-way valve and a first water turbine are arranged in the water storage inlet channel, a water storage outlet channel connected with the reservoir is arranged at the bottom of the second dam, a water discharge outlet channel for connecting shallow seawater and a water discharge reservoir is arranged on the first dam, a water discharge one-way valve and a second water turbine are arranged in the water discharge outlet channel, and a water discharge inlet channel connected with the water discharge reservoir is arranged at the top of the second dam; the water storage chamber is connected with deep seawater through a cold water pipe, and the deep seawater can enter the water storage chamber through the cold water pipe; the thermal energy difference integrated power generation system comprises a plurality of thermal energy difference power generation modules. The tidal thermal energy difference power generation device integrates tidal power generation and thermal energy difference power generation, and the power generation efficiency is improved.

The application discloses a kind of multi-source ocean energy site selection method and system, it is related to electric power energy field, it solves the problem that existing multi-source ocean energy site selection method exists poor site selection effect, including steps S1: real-time tidal energy index monitoring is carried out to the region to be addressed, the monitoring result is combined with tidal energy index historical data, and the tidal energy estimated power generation deviation corresponding to the region to be addressed is obtained by comprehensive analysis, tidal energy resource monitoring data are obtained, step S2: tidal resource development area screening is carried out to the region to be addressed according to tidal energy resource monitoring data, and wave energy index analysis is carried out to non-tidal resource development area, and regional energy analysis data are obtained according to the analysis result, step S3: according to regional energy analysis data, the site selection of each region to be addressed is carried out to marine energy resource development, the comprehensiveness and accuracy of the application can be improved multi-source ocean energy site selection method.

The utility model discloses a kind of concrete block revetment auxiliary laying devices for hydraulic engineering, and it is related to revetment laying device technical field, including support and knock brick mechanism, the bottom of the support is provided with multiple groups of shell, the bottom of the shell is provided with positioning mechanism.The concrete block revetment auxiliary laying devices for hydraulic engineering, when tidal power revetment construction, concrete block needs to be laid on revetment, by first block is placed on revetment, then moving support makes multiple groups of positioning mechanism of support bottom insert into the hexagonal hole in concrete block interior, then starting positioning mechanism locates block, after positioning is completed, it will trigger knock brick mechanism, automatically knock the block that positioning is completed, so that it evenly lays on tidal power revetment, when the size of block changes, the spacing of multiple groups of shell can be adjusted by adjusting mechanism, to adapt to the size of different block.

To provide a tidal power generator and a tidal power generation method which enable power generation using tidal current, in particular, a tidal power generator and a tidal power generation method which can continue efficient power generation even if a direction of the tidal current changes in a sea area in which the direction of the tidal current changes over time.SOLUTION: A tidal power generator generates electric power by using tidal current and includes: a first opening and a second opening configured to introduce the tidal current into the tidal power generator; a rotating body which is rotated by the tidal current when the tidal current is introduced into the tidal power generator through the first opening or the second opening; a first opening / closing door and a second opening / closing door which are respectively provided at the first opening and the second opening and open or close parts of the first opening and the second opening by the tidal current when the dital current is introduced into the tidal power generator; and a power generator which converts rotation of the rotating body into electricity. A tidal power generation method which utilizes the tidal power generator is also provided.SELECTED DRAWING: Figure 2