33 results about "Metres above sea level" patented technology

The invention relates to a control and supply system for electrical devices, comprising at least one voltage supply and control device above sea level, a subsea cable connecting said voltage supply and control device with the electrical devices, and a control and actuating device which is associated essentially in situ with the electrical devices. The aim of the invention is to improve one such control and supply system in such a way that supplies are possible over larger distances, using fewer means, obtaining higher efficiency and making better use of the system. In order to achieve this, the voltage supply and control device comprises at least one AC / DC converter for producing a direct voltage in order to feed the subsea cable, the control and actuating device is associated with at least one DC / DC or DC / AC converter for converting the direct voltage transmitted by the sub-sea cable into a direct voltage or an alternating voltage, and the voltage generated thereby can be transmitted to the electrical device via the connecting line.

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.

The invention discloses a device for reducing an ice load of an ocean engineering structure by using an electric heating unit. The device comprises a power supply, an electric heating unit, a lifting mechanism and a support end, wherein the power supply is connected with the electric heating unit through a power supply cable; the electric heating unit is fixedly arranged on the lifting mechanism through a connecting member; one end of the support end is connected with the lifting mechanism; the other end of the support end is fixedly arranged on the ocean engineering structure by an anchoring base; and the connected part of the anchoring base and the ocean engineering structure is higher than a seal level. According to the device disclosed by the invention, sea ice frozen a water surface of the structure is effectively melt through heat generated by the electric heating unit, so that the sea ice is separated from the ocean engineering structure, the ice load is eliminated or reduced and the harm of the sea ice on the ocean engineering structure is reduced.

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 device for reducing ice load of an ocean engineering structure by utilizing a hydrothermal solution spraying unit. The device comprises a hydrothermal solution spraying unit, a lifting mechanism, a supporting end and a liquid storage container, wherein the liquid storage container is connected with the hydrothermal solution spraying unit through a heating and pressurizing device and a circular pipeline; the hydrothermal solution spraying unit is fixed on the lifting mechanism through connecting pieces; one end of the supporting end is connected with the lifting mechanism while the other end of the supporting end is fixed on the ocean engineering structure through an anchoring base; the joint between the anchoring base and the ocean engineering structure is higher than the sea level; and the hydrothermal solution spraying unit is provided with a spraying nozzle. The device for reducing ice load of the ocean engineering structure by utilizing the hydrothermal solution spraying unit, disclosed by the invention, has the advantages of being capable of melting down sea ice frozen on a water-ward surface of the structure efficiently, enabling the sea ice to separate from the structure, reducing or removing the ice load and decreasing damage of the sea ice to the structure.

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 aims to provide a stack type low noise sea chest, which includes an air vent, a seawater header pipe suction port, a horizontal pored isolation board, a stack type baffle, a chest separation board, a trapezoid upper cover, a rotary chest cavity port, a rotary flange, a detachable inward concave grid sheet, an outer shell plate and struts, wherein the detachable inward concave grid sheet is connected with the rotary chest cavity port through a hinge pin; the chest separation board is welded onto an inner bottom plate; the stack type baffle and the chest separation board are connected together through the four struts; the horizontal pored isolation board is mounted at the 1 / 2 height of the sea chest; gas-liquid separation holes are arranged in the horizontal pored isolation board in rows; the inclination angle of the trapezoid upper cover is 45 degrees, so that the air vent is enabled to be higher than the sea level; the rotary chest body cavity port is connected with the outer shell plate through the rotary flange. According to the invention, the stack type cavity port structure is adopted for the cavity port of the sea chest, so that the current oscillation of seawater is reduced and further the underwater radiation noise of ships can be lowered.

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 discloses an energy accumulation and power generation system by pumping water through oceanic tide high-low positions. The energy accumulation and power generation system comprises a seaborne reservoir, a hydroelectric generator, a plurality of supporting columns which are higher than the sea level, and a plurality of oceanic tide water pumping units for filling water into the seaborne reservoir, wherein the seaborne reservoir is located at the tops of the plurality of supporting columns; each oceanic tide water pumping unit comprises a fixed water cylinder, a floating body assembly which can move up and down, and a water pipe; the floating body assemblys are located above the fixed water cylinders; each floating body assembly is provided with a hollow floating box; a cavity of each floating box is provided with seawater for increasing the weight of the floating box at a falling tide. The energy accumulation and power generation system by the water of the oceanic tide high-low-pump disclosed by the invention adopts the structure that the seaborne reservoir is higher than the sea level, and the plurality of oceanic tide water pumping units for filling the water into the seaborne reservoir; when the position of the seaborne reservoir is higher, the potential energy is greater; and the oceanic tide water pumping units utilize a tide fall to fill the seawater into the seaborne reservoir which is higher than the sea level to continuously and stably generate power.

According to the invention, a climate-related, or to be precise, a temperature-related correction of the altitude reading is carried out on an altimeter. In doing this, the measurement of altitude is based on an average reference temperature value at sea level and on an average air pressure reference value at sea level according to the U.S. Standard Atmosphere 1976. The correction ensues by altering the reference temperature at sea level. A correction is then carried out when the temperature prevailing at a certain altitude above sea level differs from the temperature reference value for this altitude. This temperature reference value results at sea level based on the average temperature reference value.

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 discloses a device utilizing tidal energy to generate power, which is characterized in that a storage reservoir is connected with a pressurized pipe; one end of the pressurized pipe is provided with a water outlet in the storage reservoir, and the other end thereof 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 below the sea water; a blast hole is arranged between the water outlet and the horn mouth; and the blast hole is connected with a suction piping. The invention has the advantages that the horn mouth can make full use of the impact force of flow and wave and achieves the effective pressurized effect; the angle of inclination of the horn mouth can not only make full use of the impact force of the flow, but also can absorb the energy of the heaving and dipping wave; and the parts of S type pressurized pipes above the sea level form an air chamber for storing air; and a river diversion baffle can lead the sea water retreated from the horn mouth during resurgence into the blast hole.

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.

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 a device utilizing tidal energy to generate power, which is characterized in that a storage reservoir is connected with a pressurized pipe; one end of the pressurized pipe is provided with a water outlet in the storage reservoir, and the other end thereof 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 below the sea water; a blast hole is arranged between the water outlet and the horn mouth; and the blast hole is connected with a suction piping. The invention has the advantages that the horn mouth can make full use of the impact force of flow and wave and achieves the effective pressurized effect; the angle of inclination of the horn mouth can not only make full use of the impact force of the flow, but also can absorb the energy of the heaving and dipping wave; and the parts of S type pressurized pipes above the sea level form an air chamber for storing air; and a river diversion baffle can lead the sea water retreated from the horn mouth during resurgence into the blast hole.

The invention discloses a rotary type ocean tide pumping device. The device comprises a vertical column, a floating body part, a fixed cylinder, an inner soft cylinder and an outer soft cylinder whichare higher than the sea level, wherein the upper portion of the vertical column is provided with a vertical column outer spiral section, the floating body part is provided with an inner spiral matched with the vertical column outer spiral section, the floating body part is rotated under the action of tide, the lower portion of the vertical column is provided with a fixed cylinder with a fixed position, the inner soft cylinder and the outer soft cylinder are arranged between the floating body part and the fixed cylinder, the floating body part, the fixed cylinder, the inner soft cylinder and the outer soft cylinder form a water containing cavity, the lower portion of the water containing cavity communicates with a water pipe component, the floating body portion rotates to drive the inner soft cylinder and the outer soft cylinder to be screwed, and water in the water containing cavity is conveyed on the sea level through the water pipe component. According to the rotary type ocean tidepumping device, the structure is adopted, a pumping device is provided with only one vertical column, so that the structure is simple, the workload of offshore construction is reduced, and the cost oftransportation and installation is reduced.

The invention discloses a high pile cap foundation structure, which comprises a concrete cap higher than sea level, and a group of steel pipe piles arranged at the bottom of the concrete cap for supporting the cap, and the upper part of the steel pipe pile is embedded in the bottom of the cap , the group of steel pipe piles is distributed at the bottom of the cap in a frustum-cone shape, and a climbing ladder for climbing up the cap is provided on one side of the cap. There are anti-collision poles, anode active metals and wiring pipes are arranged on the steel pipe pile, an outwardly extending platform is arranged on the cap platform, and a crane and more than one container are arranged on the cap platform or the platform. In the high pile cap foundation structure of the present invention, since connecting rods are arranged between adjacent steel pipe piles, the overall rigidity and strength of the high pile cap foundation structure can be improved, and the anti-collision rods arranged on the connecting rods can prevent The operation and maintenance ship directly hits the steel pipe pile; the setting of the platform expands the usable area on the cap; containers and cranes can be set on the platform to facilitate the operation, maintenance and work of technicians.

The present invention relates to the energy transformation industry, and more specifically to the device manufacturing industry for the transformation of natural alternative energies into more controllable and relatively easy to store energy. The advantages of the present equipment with respect of those of the prior art relies on that the present is of long useful life, which can extract from the waves energy that can be stored to be used at the time it is needed and with the capacity of being controlled in its application. Structurally the equipment of the present invention is characterized by comprising a float having an orifice in the center, in this orifice it is disposed firmly fastened a rigid pipe hydraulically connected at one of its ends to a hose, and at the other end to a check valve in the end immersed in the water bed; the opposite end of the hose which is hydraulically joined to the rigid pipe, the hose ends in a water tank on dry land and above the sea level average.

The invention discloses an energy accumulation and power generation system by pumping water through oceanic tide high-low positions. The energy accumulation and power generation system comprises a seaborne reservoir, a hydroelectric generator, a plurality of supporting columns which are higher than the sea level, and a plurality of oceanic tide water pumping units for filling water into the seaborne reservoir, wherein the seaborne reservoir is located at the tops of the plurality of supporting columns; each oceanic tide water pumping unit comprises a fixed water cylinder, a floating body assembly which can move up and down, and a water pipe; the floating body assemblys are located above the fixed water cylinders; each floating body assembly is provided with a hollow floating box; a cavity of each floating box is provided with seawater for increasing the weight of the floating box at a falling tide. The energy accumulation and power generation system by the water of the oceanic tide high-low-pump disclosed by the invention adopts the structure that the seaborne reservoir is higher than the sea level, and the plurality of oceanic tide water pumping units for filling the water into the seaborne reservoir; when the position of the seaborne reservoir is higher, the potential energy is greater; and the oceanic tide water pumping units utilize a tide fall to fill the seawater into the seaborne reservoir which is higher than the sea level to continuously and stably generate power.

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.