813results about "Auxillaries" patented technology

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

The invention discloses a large-scale cruise ship water chilling unit pipe network cold storage intelligent energy-saving control method based on double-layer deep reinforcement learning, which comprises the following steps: 1, carrying out inherent cold storage engineering modeling on a chilled water pipe network of a water chilling unit to obtain an energy balance relationship between equivalent cold storage capacity and cold release sustainable time of the pipe network and bearable cold capacity; the relationship is used as a physical prior to introduce strategy learning and a security boundary; 2, constructing a double-layer deep reinforcement learning architecture; 3, a safety layer is additionally arranged in the double-layer deep reinforcement learning architecture, the safety layer cuts and projects output feasible regions of a target layer and a sublayer through a hard constraint and barrier mechanism, the water supply temperature, the temperature difference, the start-stop interval, the condensation temperature and the power change rate are ensured, and the maritime affair safety requirement is met; and 4, on the basis of a pipe network inherent cold storage model, a double-layer deep reinforcement learning framework and a safety layer, peak load shifting control of low-load cold charging-high-load cold discharging is achieved, and unit cold energy consumption of the water chilling unit is reduced.

The invention discloses an underwater robot multi-source energy system and an energy management method, and relates to the technical field of underwater robot energy, and the system comprises a lithium ion battery which is directly connected in parallel with a DC bus; the super capacitor is connected to the direct current bus through the bidirectional DC / DC converter; the flexible power generation module is used for capturing water flow disturbance and mechanical vibration energy in the environment where the underwater robot is located; the propelling kinetic energy recycling unit has a driving mode and a power generation mode and is used for recycling kinetic energy in the propelling and braking processes of the robot; the battery management system is used for monitoring the voltage, the current, the temperature and the SOC state of each energy unit in real time and executing an energy distribution strategy based on multi-source information fusion; wherein the battery management system communicates with the bidirectional DC / DC converter through a CAN bus, and cooperatively controls an energy flow path. The method has the advantages that the energy utilization efficiency is improved, the dynamic response capability is enhanced, and the cruising ability is prolonged.

The invention provides a ship waste heat recovery and reutilization system. The ship waste heat recovery and reutilization system comprises a waste heat collection unit and a solar energy collection unit, wherein the solar energy collection unit and the waste heat collection unit form a photo-thermal-waste heat complementary energy supply network; the thermal energy conversion unit adopts an ORC system; the energy storage unit, the heat energy utilization unit and the optimization control module are configured to monitor system operation data in real time, identify a low-efficiency operation state in which the waste heat recovery rate and the electric energy conversion efficiency do not reach a preset threshold value, and dynamically adjust key parameters of each unit based on a low-efficiency alternative solution corresponding to the operation state in an algorithm; the wide-range load fluctuation of the marine main engine is adapted, and the comprehensive benefit maximization of the system is realized; the adjustment mode comprises the following steps of: randomly disturbing the low-efficiency alternative solution by taking the median of the current population as a benchmark, and separating from local optimum; and determining the search direction based on the preference weight of the optimal alternative solution in the population, and finely adjusting the parameters through the local search of which the search range shrinks along with iteration.

A thermal management system for a marine vessel includes a closed loop circuit in which heat transfer fluid circulates, a first refrigeration component cooled or heated by the heat transfer fluid and configured to cool or heat air within a compartment on the marine vessel, and an open loop circuit. A pump is configured to pump water from a body of water in which the marine vessel is operating, through the open loop circuit, and back to the body of water. A second refrigeration component is configured to exchange heat between the closed loop circuit and the open loop circuit, and a water heater is configured to receive heat from the closed loop circuit to thereby heat potable water in the water heater.

The invention provides a marine ammonia fuel ventilation system and a control method and a control system thereof. The control method comprises the following steps: before a host is not connected, communicating an inlet pipe and a return pipe of an outer pipe of a double-wall pipe together, and carrying out an annular space tightness test; carrying out a leakage test on the valve, and testing whether the pneumatic double-stop ventilation valve is in a normal working state or not; when ammonia gas is detected, low-pressure nitrogen purging is started, and the ammonia gas is purged to an ammonia gas treatment device. By means of a high-pressure nitrogen automatic pressure testing mode, pipeline testing is conducted before the ventilation system is used, and it is ensured that the system is safe and reliable when used every time; a nitrogen purging valve group of the ammonia fuel ventilation system is provided with a tightness self-checking program, and the tightness of the valve is checked before each operation, so that the safety and reliability of the system are ensured when the system is used each time; besides a high-pressure nitrogen purging mode, a low-pressure nitrogen purging mode is designed, ammonia gas is purged to the ammonia gas treatment device, it is guaranteed that no ammonia gas leaks, and the safety of the system is improved.

To provide a vessel capable of improving propulsion performance of each method when a hull is propelled by a wind power propulsion unit and when the hull is propelled by a propeller.SOLUTION: A vessel 1 comprises: a propeller 12 that generates thrust for a hull 11; and a wind power propulsion unit 10 that propels the hull 11 by means of wind power. Thus, the vessel 1 can propel the hull 11 by the wind power propulsion unit 10 when wind is strong, and propel the hull 11 by the propeller 12 when wind is weak. The hull 11 is propelled toward a bow during machine traveling where the hull 11 is propelled by the propeller 12, and the hull 11 is propelled toward a stern during sailing where the hull 11 is propelled by the wind power propulsion unit 10. In this case, the vessel 1 can be structured so as to suit the machine traveling for propulsion of the vessel 1 toward the bow. The vessel 1 can be structured so as to suit the sailing for propulsion of the vessel 1 toward the stern.SELECTED DRAWING: Figure 3

The invention belongs to the technical field of ocean engineering and ocean observation, and relates to an ocean sensor long-term test device and method based on an autonomous underwater vehicle. The method comprises the following steps: executing a marine environment observation task, and storing an observation data sequence in a second AUV in real time; continuously monitoring the electric quantity state and the storage space occupancy rate, and when the electric quantity state is lower than a preset electric quantity threshold value or the storage space occupancy rate reaches a preset storage threshold value, generating a corresponding energy supplement demand signal or a data transmission demand signal; analyzing and judging the generated energy complementing demand signal or data transmission demand signal to determine an energy complementing mode or a data transmission mode; performing joint optimization on the energy complementing path or the data transmission path and the observation path after energy complementing or data transmission is completed, and generating a path planning result of multi-device cooperative operation and a corresponding scheduling strategy; and based on the path planning result and the scheduling strategy, related equipment is controlled to execute corresponding energy complementing operation or observation data transmission operation.

The utility model relates to ship transfer technology field, and the utility model discloses a ship ballast water receiving port and discharge port outboard quick docking structure, semicircular electric permanent magnetism sucking disc is fixedly arranged at the end of support, and with the steel flange fixedly covered on the outside wall of transfer joint of transfer pipe is set up magnetically, underwater camera is several, and all are fixedly arranged on semicircular electric permanent magnetism sucking disc, inflatable seal ring is fixedly covered on the outside wall of transfer joint of transfer pipe, and the outside wall of inflatable seal ring and the inboard wall of ballast water discharge pipe's port are set up and move and resist the contact, positioning locking hydraulic cylinder assembly sets up on the transfer joint of transfer pipe, guarantee the transfer head of transfer pipe and the discharge port of ballast water discharge pipe's docking precision and fast, and can fix transfer pipe in the ballast water discharge pipe outside the outboard, ensure that the outward propelling force that discharges ballast water in cabin can not move transfer pipe, guarantee that ballast water is safely transferred to the shore.

A marine vessel according to one aspect of the present disclosure comprises: a hull that includes a bow part and a stern part which is positioned rearward of the bow part; a plurality of power consumption devices that are positioned in the bow part and that consume power; a main power source that is positioned in the stern part and that operates in a normal time; an emergency power source that is positioned in the stern part and that operates in an emergency; a main cable that delivers electricity which has been outputted from the main power source to the bow part; an emergency cable that delivers electricity which has been outputted from the emergency power source to the bow part; a main splitter that is positioned in the bow part and that splits the electricity which has been delivered by the main cable; an emergency splitter that is positioned in the bow part and that splits the electricity which has been delivered by the emergency cable; a main splitter cable that delivers the electricity which has been split by the main splitter to at least one of the plurality of the power consumption devices; an emergency splitter cable that delivers the electricity which has been split by the emergency splitter to at least one of the plurality of the power consumption devices; a main splitting chamber that is positioned in the bow part and that has the main splitter installed therein; an emergency splitting chamber that is positioned in the bow part and that has the emergency splitter installed therein; and a separation chamber that is positioned between the main splitting chamber and the emergency splitting chamber and that separates the main splitting chamber and the emergency splitting chamber.

The present invention relates to a boil-off gas reliquefaction system for a ship. The boil-off gas reliquefaction system for a ship according to the present invention, whereby boil-off gas generated from a liquefied natural gas (LNG) storage tank for a ship is reliquefied, comprises: a first heat exchanger for recovering cold heat from a first boil-off gas generated in the storage tank; a multi-stage compressor for compressing the boil-off gas that has passed through the heat exchanger; a high-pressure gas line for supplying high-pressure gas that is supplied from the multi-stage compressor; a low-pressure gas line for supplying the boil-off gas, which is supplied from the multi-stage compressor, as a low-pressure gas by using a decompression valve; a second heat exchanger in which heat exchange occurs between the high-pressure gas line and the low-pressure gas line downstream of the decompression valve; and a third heat exchanger by which the boil-off gas that has passed through the second heat exchanger is cooled by means of heat medium oil of a cryogenic chiller.

The utility model provides a marine condensate water collecting device, which relates to the technical field of condensate water recovery and comprises a box body, a water inlet pipe and a filter screen plate, the water inlet pipe is arranged at the top of the box body, a plurality of water outlet branch pipes are uniformly distributed at the top in the box body, and the water outlet branch pipes are communicated with the water inlet pipe; the filter screen plate is located below the water outlet branch pipe, a long-strip-shaped opening allowing the filter screen plate to stretch into is formed in one side of the box body, the filter screen plate comprises a filter screen, a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are fixed to the two sides of the filter screen respectively, a groove matched with the first mounting plate is formed in the inner wall of the box body, and the second mounting plate stretches out of the long-strip-shaped opening. The second mounting plate is provided with a control structure for controlling the filter screen plate and the box body to be fixed or separated, the control structure comprises a handle, and when the handle is pulled, the filter screen plate can be separated from the box body, so that the problems that the box body needs to be opened to dismount and clean the filter screen, and the dismounting process is relatively tedious, time-consuming and labor-consuming are solved.

The present invention relates to a ship propulsion system wherein, when a change in the output of a main engine occurs or is expected, a controller variably controls the power withdrawal force of a shaft generator in a direction in which the change in the output of the main engine is counterbalanced, thereby maintaining the output of the main engine to be smooth, and the main engine's fuel efficiency and power supply stability engine can thus be improved.

The application provides a method and system for controlling air-borne radioactivity in a control area cabin of a water surface nuclear power ship. A gradient negative pressure is formed in the control area cabin of the nuclear power ship, such as a nuclear power plant containment cabin, an auxiliary cabin, a pollution monitoring and decontamination cabin, and an access passage cabin, by using facilities such as an exhaust fan and a negative pressure compressor, so that the air-borne radioactivity generated during normal operation of the nuclear power plant is controlled. The application can better limit the range of air-borne radioactivity in the control area cabin, prevent the air-borne radioactivity from spreading and leaking to other cabins, and provide strong protection for the radiation safety of personnel on the nuclear power ship.

A continuous fluid flow power generator includes an electrical generator with submersible turbine blades in communication with a flow of fluid in a body of water to generate electricity. The generator may include a water tower and a hydro turbine generator to generate electricity through kinetic actions; a float and piston assembly activated by wave action to deliver water to the water tower; kick turbines to create water flow to the water tower through submersible pumps; and a rechargeable battery in communication with the electrical generator and the hydro turbine generator. The generator may also include solar assemblies and windmills to provide supplemental electricity generation for charging the rechargeable battery. The generator may be connectable to a battery bank aboard a vessel or to an electrical grid.

A ship has a hull, at least one double-shell tank mounted on the hull, having an inner tank storing liquefied gas and an outer tank covering the inner tank, at least one first discharge tower extending upward from the hull, at least one second discharge tower extending upward from the hull independently of the first discharge tower, a first discharge line connecting an upper portion in the inner tank and a tower interior of the first discharge tower, a second discharge line connecting the inner tank and an inter-tank region of the outer tank and a tower interior of the second discharge tower, and a pressure release device provided in the second discharge line, which is closed normally and opened when a pressure of the inter-tank region exceeds a prescribed inter-tank allowable value.

A method and system for fumigating a vessel includes delivering a fumigation agent to a cargo area of ​​the vessel. In particular, the vessel may be a roll-on / roll-off vessel. In such a system, a pneumatic system is provided for maintaining a selected minimum pressure differential between a selected area of ​​the vessel above the cargo area and the cargo area such that the pressure in the selected area is greater than the cargo area. A control system may maintain the pressure differential.

According to an embodiment of the present invention, a fuel processing system comprises: a fuel supply line for supplying fuel stored in a storage tank to a demand point; a fuel recovery line for recovering fuel discharged from any one of the fuel supply line and the demand point; a separator connected to the fuel recovery line to store the fuel recovered from any one of the fuel supply line and the demand point; a knockout drum connected to the fuel recovery line to store the fuel recovered from the demand point or a fuel valve unit for supplying the fuel to the demand point from the upstream side of the demand point; and a fuel processing unit for processing the fuel by using a disaster prevention material. The separator is connected to the knockout drum to transfer at least a part of the fuel to the knockout drum. The fuel processing unit processes the fuel transferred from the knockout drum.

The application discloses a centralized ventilation system for the tail of a cruise ship, comprising a centralized ventilation platform, a ventilation unit and a plurality of exhaust branch pipes; the centralized ventilation platform is arranged on the top of the elevator machine room at the tail of the cruise ship and protrudes upward from the deck of the area where the elevator machine room is located; a plurality of ventilation openings are arranged on the centralized ventilation platform; the ventilation unit is correspondingly arranged on each ventilation opening; the first end of each exhaust branch pipe is connected with the exhaust opening of each room requiring exhaust at the tail of the cruise ship, and the second end of each exhaust branch pipe is connected with the ventilation opening of the centralized ventilation platform; the exhaust branch pipe is used for guiding the gas to be discharged from each room requiring exhaust to the centralized ventilation platform for centralized discharge. The centralized ventilation platform arranged in the application can greatly reduce the number of structural openings of the deck and superstructure, reduces the weakening of the local structural strength of the ship body, and is favorable for guaranteeing the structural safety of the tail of the cruise ship.

The invention discloses a low-vibration integrated marine variable-frequency air conditioner, and relates to the technical field of marine air conditioners, the low-vibration integrated marine variable-frequency air conditioner comprises a variable-frequency air conditioner body, and a bottom vibration reduction assembly is arranged in the variable-frequency air conditioner body. During use, the outer surface of the rubber anti-vibration pad is coated with the fluorosilane super-hydrophobic coating, the outer surface of the bottom anti-vibration pad is coated with the gradient ceramic coating, and the anti-vibration pad is suitable for a high-salt-mist environment. The bottom vibration reduction assembly and the module vibration reduction assembly are both installed in the variable frequency air conditioner body, vibration energy is directly absorbed in the box body, transmission of vibration to the bottom of the box body is reduced, the influence of vibration on a ship body is reduced from the source, low-vibration operation is achieved, meanwhile, the bottom vibration reduction assembly and the module vibration reduction assembly are protected through the box body, and the service life of the ship body is prolonged. The air conditioner is prevented from being directly exposed in a high-salt-fog environment and making contact with high-salt-fog air for a long time, the aging and corrosion risks are reduced, the service life of each vibration reduction structure is prolonged, and the stability of the air conditioner is improved.

The utility model provides an in-ship ventilation device for a tourist ship, and relates to the technical field of in-ship ventilation, the in-ship ventilation device comprises an air blowing cylinder with a built-in fan, the air inlet end of the air blowing cylinder is provided with a connecting frame, the connecting frame is internally provided with two symmetrically distributed filtering pieces, the surface of the connecting frame is rotatably connected with a hollow column in a penetrating manner, and the hollow column and the air blowing cylinder are coaxially distributed; the two ends of the hollow column are located on the two sides of the connecting frame respectively and provided with an outer cover and an inner cover respectively, the inner cover is located between the connecting frame and the draught fan, and a shower head used for reversely flushing and drying the filtering pieces is slidably installed in the inner cover. The other filtering piece is used for filtering sea wind, it is guaranteed that the sea wind is continuously treated and conveyed, and air circulation in a cabin is not affected.

The invention discloses a ship ventilation structure with high protection performance, and relates to the technical field of ship ventilation, the ship ventilation structure comprises a window frame, a window body and a storm cover, the window frame is fixedly connected to a ship body, the window body and the storm cover are movably connected to the window frame, and the window frame, the window body, the window frame and the storm cover are fixed through fixing assemblies. Part of the window body extends into the window frame, the inner side of the window body is fixedly connected with an abutting ring, and the inner side of the window frame is fixedly connected with a water retaining strip. When entering the inner side of the window frame and the connecting position of the window frame and the window body, rainwater or seawater flows downwards into the drainage groove under the action of gravity and is drained out of the window frame, so that the situation that much water is accumulated at the lower position of the inner side of the window frame and the connecting position of the window frame and the window body, and a thick ice layer is formed along with temperature reduction is avoided as much as possible; and the connecting position of the window frame and the window body is tightly bonded, and the opening difficulty is large.

To provide a fuel cell power generation system that improves the consumption efficiency of hydrogen contained in a fuel and suppresses carbon dioxide emissions.SOLUTION: A fuel cell power generation system 10 includes a fuel cell 1 that generates electricity using a fuel, a condenser 4 that extracts a mixed gas of hydrogen and carbon dioxide contained in water vapor discharged from the fuel cell 1, a carbon dioxide separation device 5 that separates hydrogen and carbon dioxide from the mixed gas extracted by the condenser 4, a hydrogen supply route that supplies hydrogen separated by the carbon dioxide separation device 5 to the fuel cell 1, and a carbon dioxide liquefaction device 6 that liquefies the carbon dioxide separated by the carbon dioxide separation device 5.SELECTED DRAWING: Figure 1

An apparatus fixed to a water vehicle to produce electric energy has a turbine rotor supported under the water surface in a horizontal operation position and to it fixed first axis to transfer the rotation motion from the rotor and in which apparatus the rotor has been supported and adapted into with it same centered cylinder that has been fixed to the frame with vertically to it fixed joint that is situated a vertical distance (a) from the rotor and adapted to turn in relation to the frame that has been fixed to the water vehicle round the joint axis and to settle into the direction of the water flow by its power and where the first part of the second axis has been adapted same centered with the joint axis and the first and the second axis have been connected to each other with a rotation movement direction changer when the horizontal rotation of the first axis has been adapted to change into a vertical rotation movement in the first part and the second axis has been connected to a generator to transfer the rotation movement into it and the generator has been connected to a battery to store the generated electric energy to it.

A protection system of ship's power distribution system, when a fault occurs in the feeder preset to be in charge of the third circuit breaker module, the relay of the third circuit breaker module trips the circuit breaker based on a magnitude and a direction of a fault current, and to transmit a power distribution maintenance signal to the relay of the second circuit breaker module. When a fault occurs in the switchboard preset to be in charge of the second circuit breaker module, the relays of the second and third circuit breaker modules trip the circuit breaker based on a magnitude and a direction of a fault current and the relay of the second circuit breaker module transmit a power distribution maintenance signal to the relay of the third circuit breaker module preset based on the magnitude and direction of the fault current.

The invention provides a charge and discharge control method and system for a liquid air energy storage ship based on a neural network, and relates to the technical field of energy storage ships, and the method comprises the steps: generating a control instruction of a corresponding link based on a final time node decision outputted by a neural network model; executing the control instruction, namely controlling the open sea liquefied air equipment to start or stop liquid air preparation at the final preparation time node; controlling the ship to start navigation at the final transportation start navigation time node; controlling the port gasification power generation device to start or stop power generation at the final energy release power generation time node; and in the process of liquid air preparation, ship transportation or port energy release power generation, monitoring the change of multi-source real-time data in real time, and inputting the changed data into the neural network model again so as to dynamically adjust and update the final time node decision. According to the method, the maximization of the comprehensive benefit of operation is realized, the value window of the peak period of the power grid can be accurately captured and responded, and low-efficiency or invalid discharge is avoided.

The invention discloses a high-strength corrosion-resistant composite material bacterial type ventilator, relates to the technical field of composite materials, and solves the problem of serious corrosion of an exposed deck ventilator from the source by utilizing the characteristics of light weight, high strength and corrosion resistance of a fiber reinforced resin matrix composite material. The mushroom type ventilator comprises a mushroom type ventilator body, a connecting support, a cover plate, a lead screw adjusting seat and a hand wheel. A plurality of connecting supports are arranged on the outer wall of the mushroom type ventilator body in the circumferential direction, and the cover plate is arranged on the mushroom type ventilator body and the connecting supports. A lead screw adjusting seat and a hand wheel are arranged on the top of the cover plate, and the hand wheel is connected with the lead screw adjusting seat.

The invention relates to a method (100) for cooling a fuel (B) for a vessel (80), the vessel (80) having at least one fuel tank (12) and a liquefied gas storage tank (14), comprising the following steps:-(102) extracting a fuel flow (BS) from the liquid phase of the fuel (B) contained in the fuel tank (12),-(104) guiding the fuel flow (BS) into a cooling unit (20); -(106) cooling the liquid fuel flow (BS) in the cooling unit (20), the fuel flow (BS) in the cooling unit (20) being cooled relative to a BOG flow (BGr) which is conducted from the liquefied gas storage tank (14), is reliquefied and is conducted through the cooling unit (20), and-(108) conducting the cooled fuel flow (BSk) back into the fuel tank (12).

A device for inductively transmitting electrical energy between a power supply unit arranged on the shore of a body of water or in the body of water and a watercraft includes a primary coil associated with the power supply unit, and a secondary coil which is connectable to the primary coil for inductively transmitting electrical energy, and which is arrangeable on the watercraft. A height-adjustment device connected to the primary coil is provided in order to hold the primary coil at a consistent vertical distance from a water surface in a vertical direction running in the direction of the buoyancy. A corresponding charging system and method includes: aligning the coils relative to one another; previously or simultaneously adjusting a vertical distance between the primary coil and water surface by with a height-adjustment device; inductively transmitting electrical energy between the coils.

The present invention relates to a floating device comprising a number of main floating bodies (1) configured to move a total of at least 80 cubic meters of water, a number of floating body supports (2) configured to join the number of main floating bodies (1) together, a number of columns (3) each having a first end joined to the main floating body (1) and a second end opposite said first end, a supporting covering (4) joined to the second ends of the columns (3) and having a surface of at least 100 square meters, at least one anchoring member (5) and a mooring structure configured to join the main floating body (1) and / or the number of floating body supports (2) with the anchoring member (5).