266 results about "Ocean sea" patented technology

The invention discloses an ocean submerged buoy system. In the system, buoys are connected with an underwater winch through a communication mooring cable; a plurality of profile measuring instruments are equidistantly arranged at the part of the communication mooring cable between the buoys and the underwater winch, which is adjacent to the buoys; the underwater winch is fixed on a main buoy body; a target detecting system and an ADCP (acoustic Doppler current profiler) are both arranged on the main buoy body; an anchor mooring mechanism comprises a glass floating ball, a response releaser and a ballast anchor which are connected in series through anchor chains; a control center controls the buoy system to regularly float out of the ocean surface and dive into the ocean; the target detecting system detects movable targets; when a movable target enters into a preset range, the control center controls the buoy system to dive into the ocean; and when floating out of the ocean surface, the buoys transmit various received data to a ground shore station. By the ocean submerged buoy system disclosed by the invention, the ocean detected data are transmitted in real time; and the influencestormy waves and other factors on the service life of the buoys is avoided.

An autonomous open-ocean fish-farming structure has a submersible cage enclosure tethered to a topside buoy. The topside buoy stores feed, is equipped with radio telemetry to communicate positioning signals transmitted from external sources, and generates electrical power using, for example, a hybrid solar OTEC heat engine. The structure is navigated and maintained in a geostationary position within the ocean environment by means of position-correction technology and is propelled by thrusters attached to the cage enclosure and, optionally, to the underside of the topside buoy. The self-positioning, self-powered fish-farming structure enables unmanned, extended marine deployment in deeper ocean waters without the need for tethering or anchoring to the ocean floor. Multiple structures can be maintained in a spaced apart configuration to comprise a flotilla of fish farming structures attended by a tender ship that is autonomous, easily serviced and conveniently relocated.

The invention discloses an ocean combustible ice mining method and a mining device adopted by the same. According to the ocean combustible ice mining method, a device for mining combustible ice through heating concentrated saline water is adopted, and heat for heating a combustible ice storage layer is provided by heating the concentrated saline water. The ocean combustible ice mining method is energy-saving and environment-friendly, remarkable in economic benefit, is free from emission and pollution in a mining process, energy-saving and consumption-reducing; and the ocean combustible ice mining device is relatively sample in structure, convenient to use, lower in production cost and convenient for popularization.

An ocean wave power plant provided for by respective interconnected functional units comprising a support structure (1a, 1b) is disclosed. The support structure (1a, 1b) is terminated in a lower end with a fastening bracket (9c) which can be anchored in a single point to a mass (9e) when deployed in the sea. A submergible uplift floating body (2) is providing buoyancy for the ocean wave power plant when deployed in the sea. The a uplift floating body (2) is attached to the support structure (1a, 1b), an electric power generating subsystem (A) supported by a platform (8) is terminating the support structure (1a, 1b) in an upper end of the support structure. A transmission member (4, 4a, 18) is attached in one end to a floating body (3) and in another end to the power generating subsystem (A) transferring wave motion from the floating body (3) to the power generating subsystem (A).

The invention relates to an exploitation method for sea bed gas hydrate, which comprises a depressurization decomposition stage and an ocean surface-layer warm water injection stage, wherein in the depressurization decomposition stage, the bottom parts of two exploitation wells can be drilled into the gas hydrate layer, the two exploitation wells can be used for sucking the fluid in the gas hydrate layer by a down-hole pump, the bottom-hole producing pressure can be controlled by controlling the delivery of the down-hole pump, and high-permeable areas are formed around wellbores at the bottomparts of the two exploitation wells; after the depressurization decomposition stage achieves the preset depressurization production time, the ocean surface-layer warm water injection stage is carriedout; in the ocean surface-layer warm water injection stage, a water injection pump is started for injecting ocean surface-layer warm water into the first exploitation well, the gas hydrate is decomposed, and the decomposed gas is output from the second exploitation well with lower pressure under the driving of pressure. The method can be widely used for exploiting the sea bed gas hydrate and particularly for exploiting the gas hydrate in the tropical sea area, the subtropical zone sea area, temperate zone sea area and other sea areas with ocean surface-layer warm water.

The invention relates to an ocean working platform, in particular to a novel ocean deepwater floating pontoon platform. The structure of the platform comprises a platform deck for operating, wherein a hard cabin is connected under the platform deck; a plurality of mooring ropes are connected on the outer wall of the hard cabin, while the other ends of the mooring ropes are connected with a submarine anchorage ; a soft cabin is arranged under the hard cabin; the hard cabin and the soft cabin are connected through a cylindrical center well; a plurality of layers of heave plates are vertically arranged outside the center well; the heave plates along circumferential direction is symmetrically provided with a plurality of square holes; and a plurality of oil extraction vertical pipes pass through the center well to a submarine well mouth. Compared with the prior Spar platform, the novel ocean deepwater floating pontoon platform has strong supporting capability and low structure cost, and is applicable to abyssalpelagic operation with internal waves.

The invention relates to a process for exploiting ocean gas hydrate by utilizing terrestrial heat, comprising the following steps: 1) digging a branch well on a target hot rock stratum; 2) utilizing a casing to penetrate through gas hydrate treasure, digging a directional well on the target hot rock stratum, perforating the casing penetrating through the gas hydrate treasure, and sealing the mouth of the well; 3) pressing seawater into the target hot rock stratum by utilizing a pump, pressing the seawater into the directional well after heat exchange heating, leading the seawater into the area of the gas hydrate treasure from the perforation of the casing, and obtaining decomposed gas hydrate and cooled seawater; and 4) transporting the gas hydrate and the cooled seawater to a sea surface by utilizing a gas-liquid recycling tube, separating the gas hydrate from the cooled seawater at an outlet, and collecting natural gas. The invention has the beneficial effect that the invention greatly reduces the heat injection cost in the exploration process, causes the exploration process to continuously develop and has less pollution and damage on environment, and each technical index in the exploration process can refer to the existing petroleum exploration process so as to lower difficulty for realizing the exploration process.

The invention discloses a swing-hydrofoil-type wave energy collecting device for a small-size ocean underwater vehicle. The swing-hydrofoil-type wave energy collecting device comprises a swing hydrofoil, a transmission cabin, an internal rotary transmission mechanism, a cabin connecting baffle and an electric generator. The internal rotary transmission mechanism comprises an input shaft, a gear accelerating mechanism and an output shaft. The swing hydrofoil is connected with the input shaft through a U-shaped connecting piece, the output shaft is connected with the electric generator, the cabin connecting baffle achieves sealed connection between cabins, and bearing saddle holes used for supporting the input shaft or the output shaft are formed in the cabin connecting baffle; and a spring is further connected between the swing hydrofoil and a shell body of the transmission cabin. According to the swing-hydrofoil-type wave energy collecting device for the small-size ocean underwater vehicle, based on the difference of hydrodynamics responses of the two parts of the swing hydrofoil and an engine body of the underwater vehicle, the heaving and dipping energy of wave is absorbed by utilizing the swing hydrofoil, the input shaft is driven to conduct rotational motion, after acceleration is conducted, the electric generator is driven by the output shaft to generate electricity, and the problem of the energy supply of long-time operation of the small-size ocean underwater vehicle is solved; and the swing-hydrofoil-type wave energy collecting device further has the advantages that the structure is simple, disassembly and assembly and maintenance are convenient, and the application range is wide.

The invention discloses an underwater glider utilizing ocean wave energy; a residual buoyancy driving device and a gravity center and gesture adjustment device are arranged in a boat body and supplied with power through storage batteries; a permeable cabin in the middle of the boat body is internally provided with a wing rotation component; output shafts at two sides of a wing rotation motor penetrate through gliding guide slots at two sides above the cabin wall through left and right wing shafts and then extend out of the cabin to fix wings; and the bottom of the wing rotation motor is connected with a generator in a watertight compartment through a transmission connecting rod so as to charge the storage batteries through gliding up and down. according to the underwater glider, the underwater glider and the ocean wave energy are organically fused by using technology; and power generation is carried out through adjusting the gravity center and the gesture of the underwater glider, utilizing the appearance characteristics such as wide gliding wings and long and thin cylindrical boat body of the underwater glider and utilizing the response differences of the two different water power units in wave rounding motion, so that the structure is simple and practical, the work state of power generation operators is stable and the available wave application range is wide.

The invention discloses a bottom-exploration zigzag-type deep sea submerged buoy system which comprises a spherical pressure-resisting cabin and a trigger action mechanism, wherein the bottom of the spherical pressure-resisting cabin of a submerged buoy body is provided with the trigger action mechanism, thus the submerged buoy which is vertically submerged to the bottom of the sea starts the trigger action mechanism at the instant of contacting the bottom, sea bottom sampling is finished and loads are released and thrown, the submerged buoy floats upward so as to complete the acquisition of vertical section information of a sea water column from the sea level to the sea bottom for the deep submerged section floating buoy; the spherical pressure-resisting cabin is formed by the connection of upper and lower semispherical end covers through bolts; the trigger action mechanism comprises an injector-type sampling mechanism, a throwing and loading mechanism and a deep bottom trigger mechanism; the top of the semispherical upper end cover of the spherical pressure-resisting cabin is provided with a thermohaline deep measuring transducer; and cameras are installed in camera holes which are uniformly distributed circumferentially on the semispherical lower end cover. The bottom-exploration zigzag-type deep sea submerged buoy system disclosed by the invention is simple in structure, low in cost and reliable in operation; and complete water column images and water quality information from the sea water level to the bottom of the ocean can be recorded, and substance sampling at the sea bottom can be realized, and a new prospect is developed in the applications of marine environmental monitoring for the deep submerged section floating buoy.

The invention discloses a deep and open sea migratory buoy-based junction box marine observation system. The system comprises a buoy assembly, a photoelectric composite cable and a junction box assembly. The photoelectric composite cable is connected to the buoy assembly and the junction box assembly. The buoy assembly is used for acquiring sea surface data. The photoelectric composite cable provides power to the junction box assembly and transmits a control instruction to the junction box assembly. The junction box assembly is used for acquiring seabed and water data and the seabed and water data is transmitted to the buoy assembly through the photoelectric composite cable. The marine observation system can realize stereoscopic observation of the sea surface, seabed and water.

An enhanced-air conditioning system for tropical and sub-tropical island sea coast environments having access to deep ocean sea water. Sea water from depths of at least about 1200 feet, at a temperature of 47° F. or lower, is utilized as a source for circulating chilled water loops providing district wide air conditioning, in some instances with assistance from electrically driven chillers. The sea water is then further used to condense working fluid in a low temperature Organic Rankine Cycle or Kalina Cycle turbine generator, the heat source for which is the cooling jacket of a diesel engine generator, and also to condense working fluid in a steam driven Rankine Cycle turbine generator, the heat source for which is exhaust heat from the diesel engine. Alternate heat sources, if available, can be utilized. Additional electrical generation from these sources far exceeds the costs of pumping the sea water.

The invention relates to towing net, in particular to a one-boat beam haul-bag single-sac bottom trawl for investigating and sampling marine demersal creatures, and aims to provide a one-boat beam haul-bag single-sac bottom trawl for investigating and sampling marine demersal creatures. The trawl is stable in opening width and easy for pouring captures. The one-boat beam haul-bag single-sac bottom trawl for investigating and sampling marine demersal creatures comprises a warp, an outer cross rope, inner cross ropes, a beam, sinkers, a head, a body and a sack. The warp is connected with the inner cross ropes through the outer cross rope. The inner cross ropes are fixedly connected to eye rings on left and right sides of the beam. The top of an opening of the head is fixedly connected to the beam. The sinkers are fixedly connected to the bottom of the opening of the head. The section of the body gradually shrinks from front to rear. The opening large end of the body is connected with the head. The opening small end of the body is connected with the sack. A sample exit is arranged at the rear end of the sack, and a sack tying cord is disposed at the sample exit.

The present invention discloses a system for preventing the growth of marine organisms on objects which are continually submerged in water, such as a boat hull or piling. The present invention operates by having a source of air deliver air through a conduit to an underwater aeration device placed in proximity to the object which is desired to be free of the marine organisms. The present invention comprises an underwater aeration framework having a plurality of air vents therein which supply air bubbles so as to constantly keep the water in motion around the boat hull, piling or other underwater structure, thereby preventing the growth of marine flora and fauna.

The subject disclosure relates to seismic streamers. More specifically, the subject disclosure relates to seismic streamers with self healing properties.

The invention discloses an ocean tidal flat original ecology raising method. The method includes: enclosing, building fields, releasing and tending on a coastal tidal flat. Enclosing includes: enclosing a raising area with a double-layer overall-sealed fence with typhoon-resisting and anti-escaping functions so as to perform all-weather protection. Building fields, namely a raising area ecological environment includes: building a fry nursing field, a feeding field, an inhabit field and an overwintering field. Releasing includes: manually releasing large economical organism varieties and artificially raising and breeding tidal flat aquatic organisms so as to build a raising area natural ecology system. Tending includes: allowing for natural fry nursing, natural feeding, natural pollution discharge and natural growth of the tidal flat organisms in the raising area natural ecology system. Dynamic balancing management is implemented according to the change of natural environments and relations among organism groups. The method is low in investment, high in yield, simple and practical, relative balance of environmental protection and resource utilization is achieved, ocean aquatic resources decreasing year by year are repaired, and harmonic development of man and nature is achieved.

The invention relates to a land-sea-air integrated ecological environment monitoring system. The system comprises a data acquisition module, a data transmission module and a data processing module, wherein the data acquisition module comprises a ground data acquisition unit, an air data acquisition unit and a marine data acquisition unit which are respectively used for acquiring ecological environment data of the ground, the air and the sea, and the data acquisition module transmits the acquired ecological environment data to the data processing module through the data transmission module; thedata processing module comprises a data acquisition control unit, an intelligent data acquisition unit, a data monitoring unit and a data storage unit; the data acquisition control unit and the intelligent data acquisition unit are used for controlling the data acquisition module according to the received ecological environment data; the data monitoring unit performs data analysis and early warning according to the received ecological environment data; according to the invention, omnibearing, all-weather and multi-dimensional remote monitoring and intelligent early warning and forecasting ofthe ecological environment are realized, and the monitoring benefit is improved.

This invention disloses a combining method for desalting seawater and exploiting sea natural gas hydrates including: building an exploitation well, a level well and a collection well, building a floating platform on the sea, a sea desalt device and a natural gas hydrate exploitation device, desalting sea water, analyzing the natural gas hydrates and collecting the natural gas. This invention comprehensively utilizes the thick brine generated in the process of sea water desalting and uses it in the decompound and exploitation of natural gas hydrate to reduce the comprehensive cost.

The invention discloses a sampling device for ocean monitoring of the quality of seawater at different depths. The device includes a base, wherein bottom portions of four side surfaces of the base areequipped with mounting tabs, a top end of the base is connected with a rotation seat, and one end of the rotation seat is connected with a mounting plate. The device is advantaged in that the structure is scientific and reasonable and is safe and convenient to use, when a sampling bucket is lowered, all solenoid valves are opened by a control switch, the seawater passes through a seawater sampling bin, the seawater at the sampling position can be sampled; when the sampling bucket is lowered, the corresponding solenoid valves are closed by the control switch to sample at different depth positions, a rotating handle is taken out by opening a storage cover, one end of the rotating handle is mounted on a hexagonal rotating block, the rotating handle is turned to drive the hexagonal rotating block and a rotating shaft to rotate, a cable storage roller can be driven to rotate, when a driving motor fails, the cable storage roller can be manually driven to rotate, and the sampling bucket is pulled out of the sea.

The invention discloses a small waterplane area twin-hull ship type marine monitoring buoy platform which comprises two torpedo-shaped lower submerged bodies, an upper hull platform and a streamline strut, wherein the torpedo-shaped lower submerged bodies are placed underwater and provide most of buoyancy; the upper hull platform is above the water surface; the streamline strut connects the lowersubmerged bodies and the upper hull; fixed rudders for positioning are arranged at the rear parts of the lower submerged bodies; a multisection type streamline probe box which is connected to the lower end of the upper hull platform is arranged between the two lower submerged bodies; the side surface of the multisection type streamline probe box is provided with a small hole through which the water flows; the multisection type streamline probe box is set to be easy to separate from the upper hull platform under the impact of external force; each section of the streamline probe box is providedwith an anchor bolt, each anchor bolt is fixedly connected with an anchor chain, and an anchor is connected to each anchor chain. The invention has the advantages of good sea area adaptability, smallsplashing area volume, strong wind and wave resistance, good stability, large load, large platform area, small resistance in waves, sufficient energy supply, good equipment expansibility, convenient maintenance, and the like.

The invention relates to ocean engineering equipment, belongs to the field of maritime work and particularly relates to a novel multifunctional work platform at a shallow sea. The novel multifunctional work platform comprises two major parts of a platform and four pile legs, wherein a diesel generator, a travelling crane, drilling equipment, an anchor machine, a fixed cantilever crane, a safety barrier and a living region are distributed on the platform; driving devices for a platform elevating mechanism are distributed on the tops of the four pile legs; the pile legs are provided with pin shaft holes which are used for positioning; bionic feet are designed at the lower ends of the pile legs; the work platform is composed of four major mechanisms of a platform elevating mechanism, a pile leg elevating mechanism, a platform movement and anchoring mechanism and a large and small travelling crane mechanism. The novel multifunctional operation platform at the shallow sea is automatic in ascending and descending, automatic in movement, high in positioning capability, flexible in operation, high in water depth adaptability, favorable in working stability and applicable to offshore explosion drilling, shallow sea exploration, ocean measurement and offshore construction operations in the other various aspects.

The invention provides an ocean monitoring buoy and belongs to the technical field of ocean buoys. The ocean monitoring buoy comprises a floating body I; a cylindrical body is vertically arranged in the central position of the upper side surface of the floating body I; a mounting platform is arranged at the upper end of the cylindrical body; a conical counterweight block is arranged in the centralposition of the lower side surface of the floating body I; a fixing ring is arranged at the lower end of the conical counterweight block; the fixing ring is connected with one end of a locating anchor chain I through a cylindrical counterweight block; an anchor I is connected to the other end of the locating anchor chain I; an annular groove is formed in the cylindrical body; an annular rotatingring is rotationally arranged in the annular groove through a bearing; a counterweight ring I is coaxially arranged outside the annular rotating ring; and a plurality of blades I are uniformly arranged outside the counterweight ring I in the circumferential direction. The ocean monitoring buoy has the advantages that the stability is good, and wave energy can be utilized to generate power and so on.

An operator is applied in a frequency domain to multiple source seismic data acquired in a marine survey, with multiple sources substantially horizontally collocated and at different depths, to generate an estimate of a primary source wavefield, the operator constructed to compensate for time delays between and for different depths of the primary and secondary sources. The primary source wavefield estimate is adaptively subtracted from the multiple source seismic data to generate secondary source wavefield estimates. Another operator is applied in the frequency domain to the secondary source wavefield estimates to generate another primary source wavefield estimate, the operator constructed to compensate for time delays between and for different depths of the primary and secondary sources. The primary and secondary source estimates are used, after further iterative refinements to remove noise, to generate upgoing and downgoing wavefield components of the multiple source seismic data.

The invention relates to an experimental device for ocean mud flat oil spilling. The experimental device comprises a frame, wherein the frame is divided into an upper layer and a lower layer; a flat plate capable of reciprocating is arranged on a separation plate of each layer; a cuboid-shaped container is fixed on each flat plate; a motor is arranged on one side of the frame and is used for driving the flat plates to reciprocate through a crankshaft connecting rod device, so that the cuboid-shaped containers are driven to reciprocate to simulate wave motion. When the experimental device is used, the cuboid-shaped containers are fixed on the upper and lower flat plates through screws, sea sands and seawater are added for simulating sea beach according to an experimental requirement, and the frequency of the motor is set to form artificial waves. Oil is filled into the two containers to simulate mud flat oil spilling, bacterial liquid is filled into only one of the two containers, and a contrast experiment is performed. The experimental device has the advantages that the structure is simple; the adsorption rate and desorption rate of the mud flat oil spilling can be determined conveniently and quickly; a scientific basis is provided for oil spilling treatment through different methods.