278 results about "Open sea" patented technology

A subsea pumping assembly locates on a seafloor for pumping well fluid from subsea wells to the level. The pumping assembly has a tubular outer housing that is at least partially embedded in the seafloor. A tubular primary housing locates in the outer housing and has a lower end with a receptacle. An annular space surrounds the primary housing within the outer housing for delivering fluid to a receptacle at the lower end of the primary housing. A capsule is lowered in and retrieved from the primary housing. The capsule sealingly engages the receptacle for receiving well fluid from the annular space. A submersible pump is located inside the capsule. The pump has an intake that receives well fluid and a discharge that discharges the well fluid exterior of this capsule. The capsule has a valve in its inlet that when closed prevents leakage of well fluid from the capsule. The capsule may be retrieved through open sea without a riser.

The present invention relates to a netpen for breeding, storage, or transport of fish in the sea, in particular completely or in part in open sea regions outside the skerries, wherein the netpen may be lowered in the sea to a desired depth when needed, wherein the netpen may be elevated to a half or approximately half submerged state for various work operations, such as maintenance and inspection of the netpen or harvesting, and wherein netpen has a substantially spherical geometry. The invention is characterized in that the netpen consists of a framework of stays (1, 2, 3, 4) mainly comprising polyethylene or polyethylene-like materials, such as PolyEthylene Low Density (PELD) or PolyEthylene High Density (PEHD), preferably PEHD, a horizontal through center pole (5) also serving as a buoyancy adjusting element for elevation and lowering of the netpen, a horseshoe-shaped working platform (6) having an integrated dock (7) for working vessels, the entire working platform including dock being liftable and lowerable through buoyancy adjustment by means of a designated element (13), and the working deck being mounted on an extended axle (15) on the center pole in such a manner that the netpen may be rotated inside said working deck. On said axle, through lines (8), there are also attached buoys (10) that gives the netpen sufficient reserve buoyancy in normal position as well as weighting organs (9) that, when the netpen is to be stabilized fully submerged at a desired depth, is landed on the sea floor; alternatively, the netpen is stabilized at the desired depth due to the reserve buoyancy in the floatation unit (30) and the floatation element (23), as shown in FIG. 30. Life-supporting functions, such as fodder, energy, and air, are being supplied to the netpen through a lifeline from a nearby floatation unit (30), preferably a platform being an integrated part of the anchoring for the netpen.

A subsea pumping assembly locates on a seafloor for pumping well fluid from subsea wells to the level. The pumping assembly has a tubular outer housing that is at least partially embedded in the seafloor. A tubular primary housing locates in the outer housing and has a lower end with a receptacle. An annular space surrounds the primary housing within the outer housing for delivering fluid to a receptacle at the lower end of the primary housing. A capsule is lowered in and retrieved from the primary housing. The capsule sealingly engages the receptacle for receiving well fluid from the annular space. A submersible pump is located inside the capsule. The pump has an intake that receives well fluid and a discharge that discharges the well fluid exterior of this capsule. The capsule has a valve in its inlet that when closed prevents leakage of well fluid from the capsule. The capsule may be retrieved through open sea without a riser.

The invention relates to the technical field of breakwater engineering and wave power generation, in particular to a floating breakwater generation device arranged in open sea. The floating breakwater generation device comprises floating members, air turbine generator sets, air chambers, airflow passages, mooring systems and signal transmission devices, and is characterized in that the floating members are respectively connected with concrete anchor blocks at the sea bottom through anchor chains; a plurality of wave dissipating perforations penetrating through a floating body are formed in the head-sea face of each floating member; the air turbine generator sets are respectively arranged in the airflow passages; the floating bodies are driven by waves to vertically move, so that water in the air chambers vibrates and air in the air chambers is pushed to move, and the air turbine generator sets are further driven to generate electricity. The floating breakwater generation device disclosed by the invention has the characteristics of being stable in structure, low in erection cost, high in generation conversion efficiency, convenient to maintain, and the like, and can be applied to sea areas with deep water, high waves and complex terrain; while wave impacts are weakened and a steady water area environment is provided for surrounding water areas, the waves can be converted into electric energy, and the electric power supply problem of harbor district or island residents is effectively solved.

For the shipping industry, these fuels provide solutions to long outstanding technical problems that heretofore hindered supply of low sulfur marine fuels in quantities needed to meet worldwide sulfur reduction goals. Marine shipping use of high sulfur bunker oils is reported as largest source of world-wide transportation SOx emissions. When ships on the open seas burn cheap low grade heavy bunker oils high in sulfur, nitrogen and metals, the SOx, NOx, and metal oxides go to the environment. This invention converts essentially all of each barrel of crude feed to a single ultraclean fuel versus conventional refining where crude feed is cut into many pieces, and each piece is sent down a separate market path meeting various different product specifications. When in port, ships can use these fuels to generate and sell electricity to land based electrical grids to offset fuel cost in an environment-friendly manner.

The invention provides a method for forecasting the tide level in a tidal river network and belongs to the technical field of hydrodynamic force simulation and hydrologic forecasting. A computational fluid dynamics (CFD) method and a water level forecasting method are comprehensively applied, the problem that the water level in the tidal river network is difficult to accurately forecast due to multi-branch stream bypass flowing and open sea tide influences is solved, and the application range and precision of tidal river network tide level forecasting are improved. The method mainly comprises the following steps that firstly, a tidal river network region and upstream riverway one-dimensional hydrodynamic force mathematical model is established; secondly, the hourly tide level processes of a control station of a river mouth are precast through harmonic analysis, and forecast values are corrected through measured data of the day before forecasting; thirdly, flow processes of control stations of an upstream are derived through a weighted moving average method; fourthly, tide level processes of all fracture surfaces in a tidal river network region are solved through the tidal river network region and upstream main stream area one-dimensional hydrodynamic force mathematical model, and the tide level forecasting of any fracture surface in the river network region is achieved.

The invention relates to a ship collectivizing supervisory system which has the function of automatically changing the Beidou Satellite communication mode and the GPRS wireless network communication mode and can achieve the data interaction between a ship-mounted terminal and a group supervisory center based on the two communication modes. The ship-mounted terminal is installed on a ship body, a solar cell panel is adopted in a power supply subsystem for charging a lithium battery and a standby battery, and the terminal can reliably work for a long time without an external power source. The GPS information of a ship is stored in real time, and a communication unit is utilized for returning the information of a GPS, alarming and the state of the ship-mounted terminal and the like to the group supervisory center. A software service platform of the supervisory center combining with a GIS system visually displays and manages the supervised ship in a unified mode. The ship collectivizing supervisory system solves the problems that a communication dead zone exists in an ordinary mobile equipment open sea monitoring and equipment cannot work continuously for a long time, the ship collectivizing supervisory system is suitable for collectivizing monitoring of fishing boats and other ships, shipping is convoyed, and the supervising strength and efficiency of fishery administration are improved.

The invention discloses an ocean buoy platform laser radar three-dimensional wind field cross section detection system which can be used for performing open sea automatic observation and is low in cost, high in measurement accuracy, high in temporal-spatial resolution, continuous in real time and reliable for a long time. The technical scheme is as follows: the detection system is characterized by consisting of a wind measuring laser radar (1), a buoy platform (2), a meteorological data observation module (3), a sea surface data observation module (4), a buoy platform attitude measurement module (5), a laser radar wind field compensation module (6) and an output unit (7), wherein the meteorological data observation module (3), the sea surface data observation module (4), the buoy platform attitude measurement module (5) and the laser radar wind field compensation module (6) are connected with the output unit (7) respectively and transmit signals to a specified client through a communication antenna, and the buoy platform attitude measurement module (5) is also connected with the laser radar wind field compensation module (6). The invention also discloses an ocean buoy platform laser radar three-dimensional wind field cross section detection method.

The present invention is a filtered seawater collection system for installation at seaside locations. This system filters undesirable elements from seawater including garbage, debris, volatile organics and biologics such as toxic algaes. The resulting filtered seawater is then pumped to a desalination plant for de-salting. This system comprises a subterranean reservoir installed at a sheltered location, such as behind a set of dunes. A borehole is created by directional drilling, the borehole breaking through the surf line and into open ocean. A pipe is laid extending from the reservoir out to the open ocean. The pipe ends in an intake, which is overlapped by gravel packets which act as filtration media. The intake receives water filtered through the gravel packets, which is transported through the pipe to the reservoir.

To provide a crawl apparatus preventing a crawl from being drifted or broken and stably carrying out culturing even under severe conditions such as installation in a water area at a high water current speed or rough seas or stormy weather by, as necessary, arranging the crawl on or in the water and to provide a method for culturing in the crawl. The apparatus is equipped with the crawl 12, a buoyancy means 16, as necessary, changing and setting the position of the crawl in an optional sinking position on and in the water while supporting the the crawl 12 on or in the water with buoyancy and mooring means 14 for suppressing planar movement of the crawl 12 and mooring and supporting the crawl. For example, the apparatus is designed to locate the crawl 12 in water with relatively calm waves and float the crawl 12 on the water during operation such as feeding. Thereby, the crawl 12 can be used without being broken even in the open sea, etc., with violent waves and culturing in the crawl can stably be carried out. (C)2004,JPO.

The invention relates to an ecological repairing method of sphagna macroalgae to an eutrophic open sea area, which is mainly characterized by comprising the following steps: selecting a cultivating area; fabricating a raft frame and a lace curtain of a cultivating facility; pulling seedlings of conchospores cultivated by a seedling net, conveying the seedling net, hanging the lace curtain and managing the dryness; managing the cultivation of ripe sphagna macroalgae in sea; picking the ripe sphagna macroalgae; and measuring nitrogen and phosphorus in texture. Sphagna can obviously reduce the danger of large-area red tide induced by excessive elements such as nitrogen, phosphorus, and the like in a neritic zone, can be used as a repair tool of water eutrophication in the neritic zone, is cultivated in the eutrophic sea area so that necessary nutrient substances can be provided and nutrient substances in sea can be transformed out of a pollution system through the harvest, therefore, the application of the ecological repairing method can achieve the purposes of inhibiting the growth of red tide microalgae, and releasing and eliminating eutrophication, and also obtains higher economical value.

The invention discloses a full-independent marine environmental monitoring buoy for deep open seas. The full-independent marine environmental monitoring buoy comprises a floating body, a submerged body and a strut. The floating body is connected with the submerged body by the strut, and a wind velocity transducer, a wind direction transducer, a satellite antenna and a solar panel are arranged on the upper portion of the floating body; a power generator, a pair of mesh gear, a centralized control center, a storage battery, a GPS (global positioning system) module, a distribution board, main units and a line concentrator are arranged in an inner cavity of the submerged body; the strut is a hollow strut, a perpendicular gear shaft is arranged in a middle cavity of the strut, a measuring panel which is positioned at a sea level position is fixedly connected to a side of the upper portion of the gear shaft, wave measuring transducers are distributed on the surface of the measuring panel, the lower end of the gear shaft extends into the submerged body to be connected with the pair of mesh gears, and the pair of mesh gears is connected with the power generator; four screw propellers are uniformly arranged on the outer periphery of the submerged body, and each screw propeller is connected with the corresponding main unit by a main unit shaft. The full-independent marine environmental monitoring buoy has the advantages the full-independent marine environmental monitoring buoy can be operated in all seasons, is excellent in stability and seakeeping and has an automatic righting function, and fixed points can be precisely measured.

An electric power cable including at least one electric conductor. An electric insulation surround the conductor and includes a polymer. A tubular protective sheath surrounds the electric insulation and acts as a water barrier that prevents water intrusion into the electric insulation. The protective sheath includes a metal as a main constituent. The cable includes at least one density-raising element of a material of higher density than the material of the protective sheath, in order to increase the density of the cable such that too large motions thereof are prevented when the latter is installed in open sea.

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.

The invention provides a single column maritime wind power generation device with a circumferential stabilizing column, and belongs to the technical field of ocean energy resource utilization. The single column maritime wind power generation device with the circumferential stabilizing column comprises a wind power generation set, a single column base, the circumferential stabilizing column, a supporting structure, a berthing system and a fixed ballast system; the wind power generation set is fixed on the single column base; the circumferential stabilizing column is fixed at the periphery of the single column base; both ends of the supporting structure are connected with the circumferential stabilizing column and the single column base respectively; the middle part and the bottom of the single column base are connected with the berthing system and the fixed ballast system respectively; and the berthing system is connected with the seabed. By arranging the circumferential stabilizing column, a larger waterline plane inertial moment can be obtained in a smaller waterline plane area; meanwhile, due to the low gravity center of the single column base, the stability requirement is met and the high water power performance is gained; therefore, a stable, economic and flexible floating base is provided for the wind power generation set, so the single column maritime wind power generation device with the circumferential stabilizing column is particularly applicable to deep water regions of the open sea.

The invention discloses a construction process of an open sea fan foundation rock-socketed pile. The construction process comprises the steps of pile sinking of a steel pipe pile, setting a construction operation platform, drilling, performing intermediate inspection, finishing a drilled hole, clearing the hole, measuring the hole, placing a steel reinforcement cage, placing a guide pipe, clearing the hole for the second time and performing underwater concrete pouring procedure. In the pile sinking procedure of the steel pipe pile, six steel pipe piles with the inclination of 5:1 which are uniformly distributed on the circular track curve are sunken into the foundation in the pile driving way by a special pile driving boat; in the setting procedure of the construction operation platform, the construction of a bearing platform bottoming concrete layer is performed and the construction operation platform is erected on the bearing platform bottoming concrete layer; the concrete of the bearing platform bottoming concrete layer is performed by the steel pipe piles; the construction operation platform is square and comprises an upper bailey frame, a lower bailey frame, a steel platform panel and a safety fence. According to the construction process, the construction efficiency of the pile socketing into rock can be improved, the horizontal resistance and the anti-shifting capability of the rock-embedded piles can be effectively improved, and the requirements of engineering structure design and construction are met.

The invention relates to a metallic erosion experimental apparatus, in particular to an intelligent marine corrosion simulation tester for measuring erosion conditions of metals in the marine environment through computer control. The invention comprises a heatable main water tank, a water storage tank and a control panel, wherein, peristaltic pumps are arranged on the tester and respectively inserted into the main water tank and the water storage tank through peristaltic pump pipes; an electrically controlled wave generating plate and a test strip holder are arranged inside the main water tank; the control panel is positioned above the water storage tank; and the peristaltic pumps, an electric control device which is connected with the wave generating plate and a heating device on the main water tank are respectively connected with the control panel. The metallic erosion experimental apparatus can actually simulate the erosion environment of five different zones of open sea and have good correspondence with the erosion environment of the open sea, thereby not only saving a mass of labor power, physical resources and financial resources but also guaranteeing the completeness of test data and the reliability of a test structure; the operation is simple and the visualization degree is high, thereby being convenient for observation; and the simulation environment is various and true.

The invention relates to an artificial fish reef throwing method for an open sea area, relating to the technical field of artificial fish reef construction and aiming to solve the technical problems on increasing throwing efficiency and throwing precision. The method comprises the following specific steps of: (1) setting the GPS coordinates of the planned throwing point of an individual fish reef, and sailing a positioning ship against the current to the planned throwing point; (2) firstly, finding out the coordinate position of the planned throwing point at the bow of the positioning ship, sailing the positioning ship against the current away from the planned throwing point, anchoring, and putting a floating ball marker tied with a floating rope into water so that the floating ball marker floats on the coordinate position of the planned throwing point; (3) sailing a throwing ship against the current to the side of the floating ball marker, and anchoring in a head and tail anchor dropping mode; and (4) throwing the individual fish reef on the throwing ship to the throwing point marked by the floating ball marker by using hanging and throwing equipment. The method provided by the invention can improve the construction effect of the artificial fish reef.

The invention provides a connection mode of a sea mud / seawater biofuel cell system for protecting sea metallic corrosion cathode. By the technology, people can utilize electric energy provided by the sea mud / seawater biofuel cell to provide corrosion protection for metallic structure and reinforced concrete structure in seawater or sea mud under the condition of deep open sea. The sea mud / seawater cell can constantly and stably provide electric energy for a long term, inhibits or alleviates metal corrosion, lowers electric energy cost, improves service life, can solve the problems of difficult power supply, small possibility of continuing long-term effect, high maintenance cost and the like existing in the cathode protection technology of ocean submerged metal structure. The technology of the invention can be applied to corrosion protection of various ocean engineering structures, such as underwater construction, oil platform, bay dock, municipal facilities and the like.

The invention discloses a sea-gas coupled real-time observation buoy system based on Beidou satellite and Iridium satellite double-satellite communication. The sea-gas coupled real-time observation buoy system comprises a sea-gas coupled observation sensor unit, a data collecting communication control unit, an anchoring unit, a buoy body platform, a power supplying unit and a data processing center. The buoy data collecting communication control unit adopts a Beidou satellite system to transmit conventional block method sea-gas flux, upper-layer sea current profile and buoy operation state parameters which have high requirements on data safety and low requirements on the communication quantity, and adopts an Iridium satellite system to transmit high frequency eddy related and high-resolution seawater skin surface temperature profile data which have high requirements on the communication quantity. A buoy can synchronously observe turbulence flux parameters of an eddy-related method of amovable platform, flux parameter of a block method, the seawater 0-1.0 m high-resolution skin surface temperature profile and the 0-70 m upper-layer sea current profile in real time in real time. Thesea-gas coupled real-time observation buoy system is suitable for being released in deep and open sea, and has the characteristics of diverse sea-gas interface observation parameter, safe data transmission and the like.

The invention provides a large-sized filling bag embanking method and equipment for filling an embankment by using dredged soil. The method comprises the following steps: (1) designing the depths and the distances of soft soil foundation plastic water drainage plates under the embankment, finishing the construction of the water drainage plates, and mounting monitoring facilities in the soft soil foundation; (2) finishing one layer construction of a sand quilt layer and a soft soil row; (3) processing large-sized filling bags for future use for by using polyester woven fabric; (4) mounting dredged soil filling equipment; (5) mounting an evacuating device; (6) laying an evacuating water drainage pipe network; (7) laying the filling bags and carrying out filling construction; (8) mounting an embankment surface sealing system; (9) opening an evacuating system to accelerate drainage consolidation of a dredged soil filling body and simultaneously developing relevant monitoring and detecting works; and (10) finishing an open sea side protective surface structure and an inland sea side protective slope structure in time by using the full embankment body rising process so as to reinforce the protection of the embankment body. The equipment used by the method provided by the invention is filling equipment for the dredger fill filling bags. According to the invention, the embankment building cost is reduced, the environment is protected, the stability of the embankment is guaranteed, and the clay particle content of the filling body is 10%.

A method for use with maintenance of an offshore wind farm includes a plurality of offshore wind turbines installed in open sea, where the method uses an assembly of a plurality of shuttle vessels 8, 9 and a seaworthy harbour ship 1 which includes an internal harbour basin 4 within outlines of the ship 1 and a plurality of mooring positions 7 for mooring the plurality of shuttle vessels 8, 9 to the ship 1 when lying inside the basin 4, where the method further includes comprises sailing the assembly of the plurality of shuttle vessels 8, 9 and the harbour ship 1 towards an anchoring position near or in the wind farm and anchoring the harbour ship 1 there, and sailing the plurality of shuttle vessels 8, 9 back and forth between the mooring positions 7 of the anchored harbour ship 1 and distinctive ones of the wind turbines for performing the maintenance thereto.

The invention discloses a purse net for open sea deepwater sea area breeding. The purse net comprises a purse net coat which defines a breeding effective water body, a floating rope frame connected to the upper end of the purse net coat and a net dropping part which is connected to the lower end of the purse net coat and falls in sludge, the floating rope frame is connected with at least three main anchor ropes, the other end of each main anchor rope is connected with a main anchor pile, at least three auxiliary anchor piles are evenly distributed in a surrounding mode on the inner side and the outer side of the purse net coat respectively, and the auxiliary anchor piles are connected with the purse net coat through auxiliary anchor ropes. The purse net can be used for a long time effectively in some sea areas where coastal typhoon invasion is frequent, waves are high, flow is fast, and water flow often changes direction all the year round, during a long-time using process, maintaining following cost investment is low, and economic benefit is good.

The invention relates to an ecological method for restoring eutrophication enclosure sea area by Gracilaria Greville macrophyte. The ecological method for restoring eutrophication enclosure sea area mainly comprises the following steps: collecting the seedlings of Gracilaria, Gracilaria seedling transportation, domestication in sea area, building a dam and enclosing sea in eutrophication sea area, cutting off the tide of the open sea and carrying out ecological restoration. After the Gracilaria which is cultivated in a large scale in the eutrophication sea area is introduced and cultivated, the Gracilaria can absorb the superfluous dissolution-typed nutrient salt with a great deal for supplying for self-growth, can restrain the explosible growth of monoplast algae meanwhile and can also absorb mud and sand; the Gracilaria can be gained again so as to transfer the nutrient matters in water body out of a pollution system, improve the water quantity and restore the ecology of the sea area; the water body after ecological restoration is exchanged with the environment again, thus achieving the purpose of relieving and eliminating eutrophication of the sea area, eliminating eutrophication can be realized gradually, meanwhile higher economic value can be produced. The method is applicable to carrying out ecological restoration for the eutrophication enclosure sea area.

A system is provided for transferring fluids such as liquefied natural gas between a floating transport vessel and a floating storage vessel utilizing a transfer vessel to deploy, operate and return a fluid conduit to the storage vessel. The fluid is transferred through at least one submerged-subsea catenary flexible conduit, at least one floating flexible conduit, or any combination thereof. A transfer vessel, including a releasable mooring system, is provided for deploying the conduit from the storage vessel to the transport vessel, mooring with a transport vessel, maintaining a unified connection during fluid transfer, releasing the mooring once fluid transfer is completed, returning to and parking on the storage vessel, and storing the conduit between fluid transfers. The transfer vessel and releasable mooring system allows safe, controlled operation and fluid transfer in open sea conditions

The present invention relates to a stairs-type hydrophilic revetment block having seawater flow ports and a construction method thereof. The existing coastal breakwaters, embankment, revetments, etc. are constructed to pacify the sea areas. However, because of occlusiveness of their structure, seawater flow is significantly reduced and pollutants are accumulated without being diffused to the open sea. As a result, the self-cleaning action is interrupted and the benthic ecosystem is in danger of being destroyed due to oxygen deficiency as the accumulated organic materials are decomposed. And, the conventional structures are designed and constructed mainly to block waves in order to pacify the sea areas and protect harbor facilities. In contrast, the stairs-type hydrophilic revetment block having seawater flow ports of the present invention provides easy access for people, reduces reflected waves, pacify the sea areas, maximizes improvement of seawater quality through smooth inflow and outflow of seawater and reduces cost needed for setup and protection of mound. The hydrophilic revetment block of the present invention comprises a base block, an intermediate block and an intermediate block having reservoirs. The present invention also provides a construction method using the revetment block.

The invention discloses a culture method and device for high-grade oysters. The culture method comprises the steps that firstly, a culture sea area meeting the national first-grade water quality is selected as a high-grade oyster culture sea area, and meanwhile high-grade monomer seed oysters are induced and bred; then the high-grade seed oysters are placed in the culture device, and the culture device is put in the culture sea area; finally the oysters reach the standard commercial specification through about one year of natural culture, and the oysters can be harvested. A body of the culture device is a double-layer cuboid culture frame, the culture frame is connected with a floating barrel through a polyethylene rope, a frame cover with hooks is arranged on one side of the culture frame, separation plates are arranged in the culture frame to evenly divide the frame into four boxes, each box of the frame is provided with a net cage in a matched mode, and a net cage cover with hooks is arranged on one side of each net cage. The culture method and device are suitable for open sea deep water sea area culture, the open sea is deep in water, fast in flow, large in wind and wave, good in water quality and rich in bait, the high-grade oysters with attractive shell shapes and good quality can be cultured through the method, and the diversified demands of the markets can be met.

The present invention provides a novel floating and renewable energy-powered desalination vessel, which also functions as a wind turbine generator and wave energy generator platform. With energy derived from the wind and waves, the vessel performs reverse osmosis within a vertically positioned cylindrical section extending below a buoyancy chamber. The cylindrical section contains reverse osmosis membranes located above a seawater screening and filtration system, which serve as ballast. The entire vessel and power systems are configured to have the center of mass below the center of buoyancy, forming a vertically stable floating structure with minimum pitch, roll, and wave heave in high sea states. The electric power generated is utilized internally to produce desalinated water or hydrogen from the desalinated water's electrolysis, power an onboard data center, or power delivery to a shoreside power grid. In addition to a wind turbine generator and a wave energy generator, a photovoltaic array or a marine current generator may be utilized to power these applications. Alternatively, the desalination vessel operates with the assistance of shore-based power provided by cable.

The invention relates to a staged vacuum drying treatment process and a treatment device for oilfield drilling cuttings. During auxiliary heating, the inside of a dryer is pumped to reach different levels of vacuum degrees by a vacuum set, water and diesel in the oilfield drilling cuttings are sequentially vaporized by staged vacuuming, vapor is liquefied by a condenser, the water containing a small amount of oil is recovered to a water storage tank, the diesel containing a small amount of water is recovered to an oil storage tank for reserve, the drilling cuttings are discharged after dried, and a heating system is automatically started or stopped as needed. By the aid of the drying treatment process and the drying treatment device, the oil-based drilling cuttings can be dried to such a degree that the water content is lower than 0.1% and the oil content is lower than 0.3%, and the drilling cuttings can be maximally reduced and directly discharged. The treatment device can respectively recover the diesel and the water by the aid of the same condenser under a staged vacuum condition, a huge fractionating tower is omitted, and the device is compact in structure, simple and convenient to operate, high in drilling cuttings treatment efficiency, fine in environmental performance and suitable for harmless treatment of the oil-based drilling cuttings on an open sea or deep sea drilling platform.

The invention discloses a light combined hanging box with recyclable baseplate steels. The light combined hanging box comprises a baseplate, four wall bodies, an outrigger, and lateral stable support beams which are connected between the outrigger and the wall bodies; wherein the four wall bodies are connected by a support frame; a lifting lug is arranged at the upper end face of outrigger; a jack placing beam is arranged under the outrigger; the outrigger is connected with the baseplate by a supporting column; a jack is arranged between the outrigger and the jack placing beam; the lower end of the jack placing beam is connected with the top end of a steel casing. The light combined hanging box has the following advantages: 1, the bearing abilities of bamboo plywood and bottom sealing concrete are fully used under a condition that a poor sea state of open seas is overcome, the turning of the baseplate steels is effectively realized, and the steel consumption is greatly reduced; 2, the structure is light; for the hanging box of the same specification, the lifting weight of the combined baseplate hanging box is similar to the self weight of a traditional steel baseplate hanging box, so that relative to the concrete prefabricated baseplate steel hanging box, the rated load weight and the lifting difficulty of a floating crane are effectively reduced.