32 results about "Metres above sea level" patented technology

The invention provides an ocean wave power generation device with an improved structure and belongs to the technical field of power generation. The ocean wave power generation device with the improved structure comprises a base and a floating body. Two guiding columns and a stand column are arranged on the base. The floating body is provided with two guiding parts, guiding holes are formed in the two guiding parts, and the two guiding columns are inserted into the two guiding holes correspondingly. An installation base is rotationally arranged at the upper end of the floating body, and an installation groove is formed in the installation base. A second power generation cabin is arranged in the installation base. A second power generator is arranged in the second power generation cabin. A first rotating shaft is rotationally arranged in the installation groove. One end of the first rotating shaft is in transmission connection with an input shaft of the second power generator. A swinging body is fixedly connected to the first rotating shaft. Two reset springs are symmetrically arranged on the swinging body. A plurality of power blades are evenly and fixedly connected to the outer side wall of the installation base. The upper end of the stand column is higher than the sea level all the time, and a solar cell panel and an alarm lamp are arranged on the end portion of the stand column. The ocean wave power generation device has the beneficial effects of being resistant to corrosion, high in power generation efficiency, good in safety performance and the like.

A system for generating energy from sea or ocean waves flowing toward a shore, comprises a channel or a container and a slanting structure constructed above the surface of the sea. The slanting structure is located in the way of waves toward the channel or container so the waves are lifted along the slanting structure wherein the wave energy is transformed into a generally homogenous flow. The water flow enters the channel or container to fill it to a level higher than sea level. Preferably, the slanting structure is placed in a location where the horizontal distance between adjacent waves is twice the depth (vertical distance) between the adjacent waves.

The invention discloses an underground grouting construction system and method of a straight pile outer-sleeve type jacket with a first pile method. The construction system comprises a steel pipe pile and a jacket sleeving the outer side of the steel pipe pile, and a annular grouting space is formed between the steel pipe pile and the jacket; a main grouting pipe, a spare grouting pipe and a bottom sealing pipe are arranged on the jacket, the main grouting pipe, the spare grouting pipe and the bottom sealing pipe correspondingly penetrate through the jacket and communicate with the annular grouting space. The construction method comprises the steps that the steel pipe pile is piled, and the jacket sleeves the outer side of the steel pipe pile; a rubber bag in a packer is filled and bulged by pumping grouting materials through the bottom sealing grouting pipe, and the situation that grouting materials are hardened is waited; the annular grouting space is grouted through the grouting pipe; when water in the annular grouting space completely flows out from the outlet above sea level, the valve on the outlet is closed, and grouting is conducted continuously until the end of grouting. According to the underground grouting construction system and method of the straight pile outer-sleeve type jacket with the first pile method, the construction technology is simple, the grouting efficiency and quality are improved, and the success rate and the quality of underwater grouting of the jacket are guaranteed.

The invention discloses a high-pile bearing platform foundation structure. The high-pile bearing platform foundation structure comprises a concrete bearing platform which is higher than the sea level and a steel pipe pile set which is arranged at the bottom of the concrete bearing platform and used for supporting the concrete bearing platform. The upper portions of steel pipe piles are embedded in the bottom of the bearing platform. The steel pipe piles are distributed at the bottom of the bearing platform in a frustum shape. A crawling ladder is arranged on one side of the bearing platform, wherein a person can climb up the bearing platform through the crawling ladder. Connecting rods are arranged between adjacent steel pipe piles. The connecting rods which are located on one side of the crawling ladder are provided with bumper bars. The steel pipe piles are further provided with anode reactive metal and wiring pipes. A platform which extends outward is arranged on the bearing platform. The bearing platform or the platform is provided with a crane and one or more containers. According to the high-pile bearing platform foundation structure, the connecting rods are arranged between adjacent steel pipe piles, and therefore the overall stiffness and strength of the high-pile bearing platform foundation structure can be improved; the bumper bars arranged on the connecting rods can prevent an operation and maintenance ship from directly impacting the steel pipe piles; the arrangement of the platform enables serviceable area on the bearing platform to be enlarged; the container and the crane can be arranged on the platform, which brings convenience to operation and maintenance as well as work and rest of technicians.

The invention aims at providing a low-noise sea chest. The low-noise sea chest comprises a cavity, an inclined upper cover, an isolating board and a rotary chest body chamber port, wherein the cavity is connected with the inclined upper cover; an inner base plate is arranged at the lower bottom of the cavity and is connected with the rotary chest body chamber port; a concave grid sheet is arranged in the rotary chest body chamber port; the isolating board comprises a longitudinal isolating board and a vertical cavity port isolating board, and the longitudinal isolating board and the vertical cavity port isolating board are fixedly arranged on the inner base plate; rows of gas-liquid separating holes are formed in the isolating board; cross sections of the gas-liquid separating holes on the vertical cavity isolating board are perpendicular to the water current direction; a ventilation port is formed in the upper end of the cavity; a seawater header pipe suction port is formed in the side end of the cavity; and the height of the ventilation port is greater than the sea level. The low-noise sea chest disclosed by the invention has the advantages of simple structure, favorable economy, strong practicability and complete application function.

The invention discloses a device for raising water level by using tidal energy, which is characterized in that: a water storage reservoir is connected with a booster pipe; one end of the booster pipe is provided with a water outlet in the water storage reservoir and the other end of the booster pipe is provided with a horn mouth; the area of the water outlet is smaller than that of the horn mouth; the horn mouth is arranged under sea water surface; a water absorption opening is arranged between the water outlet and the horn mouth; and the water absorption opening is connected with a water absorption pipe. The device has the advantages that: the arrangement of the horn mouth enables the full use of the impact forces of flow and waves so as to achieve a boosting effect effectively; the design of an inclination angle of a horn mouth allows for effective use of the impact force of the flow and the absorption of wave energy generated during raise and fall; the part, higher than the sea level, of the S-shaped booster pipe forms an air chamber capable of storing air; and the design of a flow guide plate can lead sea water fall off from the horn mouth during tide fall to the water absorption opening.

The invention discloses an ocean tide fall water pumping accumulation energy generating system capable of being installed in a moving way. The ocean tide fall water pumping accumulation energy generating system comprises a maritime reservoir, a hydroelectric generator, a plurality of bearing posts higher than the sea level and a plurality of movable ocean tide water pumping units for irrigating water for the maritime reservoir, wherein the maritime reservoir is positioned at the top ends of the bearing posts, a large-scale floating tank and a flexible cable are arranged under the bearing posts, each movable ocean tide water pumping unit comprises a floating block, a floating block connecting flexible cable and an ocean tide fall water pumper, and the ocean tide fall water pumpers are positioned above the floating blocks. The ocean tide fall water pumping accumulation energy generating system capable of being installed in the moving way adopts the structure that the maritime reservoir is higher the sea level, and the movable ocean tide water pumping units are used for irrigating water for the maritime reservoir, and has the advantages that the higher the position of the maritime reservoir is, the greater the potential energy of the maritime reservoir is, the movable ocean tide water pumping units are used for irrigating seawater into the reservoir higher than the sea level through tide falls, and the electricity can be continuously and stably generated.

The invention discloses a sea tidal power generation device comprising a reservoir and a generator unit; the water level of the reservoir is higher than the sea plane; the reservoir is provided with a water supplying device utilizing tiding to convey sea water to the reservoir; the water supplying device comprises uprights, a pump body lower cylinder, a float assembly and a water pipeline; the pump body lower cylinder is positioned among the uprights; the float assembly is positioned above the pump body lower cylinder; during ebb tide, the lower part of the float assembly and the upper part of the pump body lower cylinder form piston sealing match; one end of the water pipeline is communicated with the lower part of a fixing water pipeline; and the other end of the water pipeline extends to the reservoir. The sea tidal power generation device adopting such a structure can utilize tidal energy to store the sea water in the reservoir higher than the sea level, and can continuously generate power.

The invention provides a self-power generation type semi-submersible ocean platform. The self-power generation type semi-submersible ocean platform comprises an ocean platform main body and multiple gas column type platform struts, wherein the ocean platform main body is higher than the sea level; and the multiple gas column type platform struts are used for supporting the ocean platform main body. The gas column type platform struts comprise uprights and platform buoys; the uprights are connected to the upper parts of the platform buoys; the gas column type platform struts are of cavity structures; cavities of the uprights vertically run through the uprights and the platform buoys; turbines capable of rotating in the same direction under the action of double-way airflow are arranged in gas passage parts; the turbines are connected with a power generator in the ocean platform main body; and at least one valve used for regulating the flow of the passing airflow is arranged on each gas passage part under each turbine. According to the self-power generation type semi-submersible ocean platform, waves can be utilized to generate power, and the flowing speeds of gases in the gas passageparts can be controlled by using the valves, the heaving performance of the platform is improved, and the power utilization of the ocean platform is preferably guaranteed.

The invention relates to the technical field of oil production, and discloses a caisson-type drilling platform which comprises a containing bin, a firming part and a floating and sinking module. The top of the containing bin is consistently higher than the sea level, a bottom plate of the containing bin is used for embedding into seabed soil layer, one end of the firming part is fixedly connectedwith the containing bin, the other end of the firming part is sharp and used for inserting into seabed soil layer, and the floating and sinking module is arranged on the outer side wall of the containing bin, and water injection and drainage can be achieved. The drilling platform is simple and convenient to manufacture and mount, a production mode of offshore oil is converted into that of land oil, high-cost production devices of seabed oil is omitted, and the production cost of the offshore oil is reduced.

The invention discloses a land reservoir power generation system utilizing ocean tide fall to pump water. The system comprises a land reservoir, a power generator set, a water storage tank, a plurality of support columns higher than the sea level and a plurality of ocean tide water pumping units filling water into the water storage tank. The water storage tank is arranged at the top ends of the plurality of support columns, and a water channel delivering water in the water storage tank to the land reservoir is arranged between the land reservoir and the water storage tank. The system adopts the structure that the water storage tank is higher than the sea level, the plurality of ocean tide water pumping units fill water into the water storage tank and utilize tide fall to fill seawater into the water storage tank higher than the sea level, and the water in the water storage tank flows into the land reservoir through the water channel. The system overcomes the shortcomings of the existing tide power generation, reduces work amount of power generation station construction and foundation treatment, improves the environment of anti-silt projects, reduces power generation investment and reduces power generation operation cost.