Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

79results about "Fresh water producing installations" patented technology

Marine fuel cell system with power generation and water production functions and boat

The utility model relates to a marine fuel cell system with both power generation and water generation functions and a ship, the system comprises a hydrogen energy fuel cell subsystem, a ship power device, a water storage device, a purification device, a dosing tank, a disinfection device and two water pipelines, electricity and water generated by the hydrogen energy fuel cell subsystem are utilized, and the water pipelines are used for water supply. Electric energy is supplied to a power system of the boat, and water is treated by the purification device, the dosing tank and the disinfection device and is distributed to different water pipelines so as to meet the water quality requirements of different purposes on the boat; by integrating the power generation function and the water generation function, a traditional water generator and a diesel generator are replaced, the operation and maintenance cost is reduced, meanwhile, the energy utilization efficiency is improved, dependence on traditional energy and environmental pollution are reduced, the self-sufficiency of the boat is enhanced, and economical efficiency and environmental protection performance are improved.
Owner:QINGDAO GUOSHI INTELLIGENT EQUIP TECH CO LTD

Device for desalinating seawater and assisting in driving ship by using RO (Reverse Osmosis)

The utility model provides a device for desalinating seawater and assisting in driving a ship by using RO (Reverse Osmosis), which comprises a water producing pipeline, a water using pipeline and a cleaning pipeline, and the water producing pipeline is sequentially provided with a lift pump, a security filter, a water inlet tank, a water inlet pump, a precision filter, a booster pump, an RO membrane group and a water producing tank along the water inlet direction; the water pipeline and the cleaning pipeline are both connected with the water outlet end of the water production tank, and the cleaning pipeline is connected with the security filter and the precision filter respectively. The volume and the weight of the device are smaller than those of a traditional vacuum distillation type desalting device, and the ship carrying capacity can be improved; the RO membrane group is simple and easy to operate, and can operate without heating seawater and an additional vacuum pump, so that manual operation is reduced; bacteria and viruses can be treated simultaneously when the RO membrane group is used for desalination treatment, and the treated fresh water can be used without disinfection; by-product high-pressure concentrated water generated by manufacturing fresh water through the RO membrane module can be used for assisting or directly driving the ship, so that the energy loss of ship maneuvering is reduced.
Owner:QIANTONG ENVIRONMENTAL TECH (SUZHOU) CO LTD

System for preparing fresh water by using ship waste heat and marine fresh air

The invention provides a system for preparing fresh water by using ship waste heat and marine fresh air, which comprises a dehumidification rotating wheel unit, a regenerated air heating unit, a seawater cooling unit, a water quality purification and disinfection unit, an air pipe and a water pipe, an air supply fan in the dehumidification rotating wheel unit is connected with the regenerated air heating unit through a fourth air pipe; the regenerated air heating unit is connected with a rotating wheel regeneration area in the dehumidification rotating wheel unit through a fifth air pipe, the rotating wheel regeneration area in the dehumidification rotating wheel unit is connected with a seawater condenser in the seawater cooling unit through a fifth air pipe, and a primary water storage tank in a seawater condensation part is connected with a water pump in the water quality purification and disinfection unit through a second water pipe. According to the system for preparing the fresh water by using the waste heat of the ship and the marine fresh air, fresh water self-sufficiency and efficient energy utilization of the ocean ship are realized, and the problems of high energy consumption and high cost of a traditional seawater desalination technology are solved.
Owner:XIAMEN OCEAN VOCATIONAL & TECH COLLEGE

Resource supply system

A resource supply system, comprising: a floating platform (900) arranged at a water surface; a gas compression device (100) arranged on the floating platform (900) and provided with, communicated with each other, a first gas inlet (110) and a first gas outlet (120; a gas expansion device (200) arranged on the floating platform (900) and used for electrically connecting to a power supply device, the gas expansion device (200) being provided with, communicated with each other, a second gas inlet (210) and a second gas outlet (220), and the second gas outlet (220) being used for discharging gas; a first heat exchange device (300) arranged on the floating platform (900) and provided with, communicated with each other, a first inlet (311) and a first outlet (312), the first inlet (311) being communicated with the first gas outlet (120), and the first outlet (312) being communicated with the second gas inlet (210); and a seawater distillation device (400), the seawater distillation device (400) being able to make a heat exchange with the first heat exchange device (300) and used for communicating with a water supply device.
Owner:NATIONAL INSTITUTE OF GUANGDONG ADVANCED ENERGY STORAGE CO LTD

Catamaran-type houseboat

The invention relates to a catamaran-type houseboat with regenerative energy-producing assemblies for mobile energy production and supply with electrical energy and a water-treatment system for obtaining drinking water from river water or seawater and for sewage treatment, and to a catamaran-type watercraft with integrated crane cross-beam.
Owner:HAUSBOOTGEIST GBR +2

Ship waste heat comprehensive utilization device and method

The invention discloses a ship waste heat comprehensive utilization device and method, and the device comprises a hot water tank which is heated by waste heat generated by a power system during ship navigation; the seawater desalination system is connected with the hot water tank; the cooling system is connected with the hot water tank and the seawater desalination system; the cabin dehumidification unit is connected with the hot water tank, the cabin dehumidification unit is used for adsorbing humid air in a cabin, the cabin dehumidification unit is connected with the air water taking device, and the air water taking device is connected with the cooling system; the cooling system and the cabin dehumidification unit are connected with the fan coil; wherein the hot water tank provides power for the seawater desalination system, the cooling system and the cabin dehumidification unit through heat energy. The temperature and humidity in the cabin can be driven and adjusted by utilizing the waste heat of the ship during the sailing period of the ship, and meanwhile, water in air is collected and seawater is desalted to generate fresh water.
Owner:NAVAL UNIV OF ENG PLA

Boat landing

Boat landing stage for servicing a watercraft (1), comprising a supply unit separate from a land area (11) which is configured to transmit electrical current from the boat landing to the watercraft (1), a power generating device (2) separate from the land area (11) which is configured to supply the supply unit with electrical current, wherein the supply unit is designed to transfer at least one liquid supplying the watercraft (1) from the boat landing to the watercraft (1).
Owner:BORNER MARCUS

Water making system

The invention provides a water generation system capable of effectively utilizing waste heat of scavenging air cooling water. The present invention is a fresh water system (1) for desalinating seawater contained in a ship, the fresh water system being provided with: a fresh water device (2) provided with a heater (3) for heating and evaporating seawater, and a condenser (4) for cooling and condensing steam generated by evaporation of seawater; a scavenging air cooler (14) configured to be capable of cooling scavenging air supplied to an internal combustion engine (diesel engine (10)) for a ship by heat exchange with scavenging air cooling water; and a feed water heater (5) configured to be capable of heating the seawater supplied to the heater (3) by heat exchange with at least a portion of the scavenging air cooling water discharged from the scavenging air cooler (14).
Owner:SASAKURA ENG CO LTD

Ship flue gas waste heat comprehensive utilization and carbon storage device

The invention discloses a ship flue gas waste heat comprehensive utilization and carbon storage device, and relates to the technical field of ship energy utilization and environmental protection, and the ship flue gas waste heat comprehensive utilization and carbon storage device comprises a flue gas waste heat recovery unit, a cooling unit, a water circulation subsystem and a carbon capture subsystem; the flue gas waste heat recovery unit is used for recovering waste heat of engine tail gas and cylinder sleeve water; the water circulation subsystem comprises at least one first adsorption bed, an evaporator, an expansion power generation unit and a condenser; the first adsorption bed is used for reversibly adsorbing and desorbing water vapor; the evaporator is used for providing water vapor in the adsorption stage of the first adsorption bed; water vapor desorbed by the first adsorption bed is used for driving the expansion power generation unit to do work and then enters the condenser; the second adsorption bed is used for reversibly adsorbing and desorbing carbon dioxide; the second adsorption bed is used for treating the introduced flue gas in the adsorption stage so as to capture carbon dioxide in the flue gas and conveying the desorbed carbon dioxide to the carbon storage device in the desorption stage. The device is simple in structure and high in energy comprehensive utilization efficiency, and has a carbon capture function.
Owner:SHANGHAI JIAOTONG UNIV

Marine rescue capsule

The utility model provides an ocean rescue capsule which comprises a suspension device of a hollow structure, the bottom end of the suspension device is of an arc-shaped structure, a storage cabinet capable of storing water and food and a fresh water collecting device are arranged in the suspension device, an outer capsule with the top closed is vertically and upwards arranged in the middle of the top face of the suspension device, and the top of the outer capsule is of an arc-shaped structure. A cabin door is rotationally connected to one side of the outer cabin, a transparent observation window is formed in the upper portion of the cabin door, a door handle is arranged on one side of the cabin door, a safety belt is arranged on the inner side wall of the outer cabin, and a stool is horizontally arranged between the two sides of the outer cabin on the lower side of the safety belt; the rescue capsule is low in manufacturing cost, high in safety performance, good in floating performance, large in internal space and sufficient in material, is provided with a positioning system and communication equipment, and can obtain rescue more quickly.
Owner:GUIYANG COLLEGE OF TRADITIONAL CHINESE MEDICINE

Rescue lifeboat capable of remotely controlling walking on water

The invention relates to the technical field of lifeboats, in particular to a rescue lifeboat capable of remotely controlling water walking, which comprises a lifeboat body and a fixing mechanism, and a power device and a seawater desalination device are arranged in the lifeboat body; the power device comprises a driving cavity, and a diesel engine and a diesel generator are arranged in the driving cavity; a pair of paddle structures arranged at intervals are installed at the bottom of the boat body and are in transmission connection with the diesel engine, one paddle structure is located on the left side of the bottom of the boat body, and the other paddle structure is located on the right side of the bottom of the boat body; one driving source is adopted, the first propeller and the second propeller can be driven to rotate synchronously, and the movement stability of the boat body can be guaranteed while energy consumption is reduced; the seawater desalination device comprises a desalination box arranged in the driving cavity, a distillation barrel is arranged in the desalination box, the distillation barrel is provided with a liquid inlet and a steam outlet, and a first water pump and a second water pump are arranged beside the distillation barrel; the filtered water is close to the standard of drinking water and is temporarily stored in the water receiving tank through the water receiving pipe.
Owner:GUANGDONG UNIV OF SCI & TECH

Hybrid water / power generation system

PCT designated stageWO2025250024A1AuxillariesSeawater treatmentWater desalinationBuoy
A water and power generating system is disclosed, comprising at least one renewable energy generator, at least one submerged or floating desalination apparatus configured to be at least partially powered by the renewable energy generator, a controller, a desalinated water output conduit, and an electrical power output. The controller is configured to dynamically adjust the operation of the desalination apparatus in response to variations in available renewable energy and fluctuating demands for desalinated water and electrical power. Also disclosed is a water desalination system comprising a docking platform with a substantially tubular housing, mooring attachments, and ballast for vertical orientation. The docking platform may be connected to multiple floating desalination buoys. The platform may further include electrical and water distribution hubs for interconnection with the buoys and shore-based infrastructure. The desalination buoys may incorporate intake bubble curtain devices and brine dispersal systems to enhance intake quality and manage brine discharge.
Owner:DEHLSEN ASSOC OF THE PACIFIC LTD

Hybrid propulsion vessel equipped with fuel cell and hybrid propulsion system

The present invention provides an environmentally friendly hybrid propulsion vessel that utilizes both electric power and heat, two forms of energy generated by a fuel cell, and has a steam turbine power source driven by heat as the main power source and an electric motor power source driven by electric power as the auxiliary power source, and obtains propulsion force by rotating a propeller by one or both of them. In order to solve the above problem, the present invention provides a hybrid propulsion device for a vessel that obtains propulsion force by the rotation of a propeller, comprising a fuel cell unit, a power storage device, a steam turbine power source that generates rotational force for rotating the propeller, an electric motor power source that generates rotational force for rotating the propeller, and a power source coupling shaft that transmits the rotational force of the steam turbine power source and the rotational force of the electric motor power source to the propeller.
Owner:DSEC

Self-treating electrolytic biocide generating system with recirculation

The present disclosure relates to a biocide generating system for inhibiting bio-fouling within a water system of a watercraft. The water system is configured to draw water from a body of water on which the watercraft is supported. The biocide generating system includes an electrode arrangement adapted to be incorporated as part of an electrolytic cell through which the water of the water system flows. The water system is configured such that biocide treated water also flows to one or more components of the water system that are positioned upstream of the electrode arrangement.
Owner:ELECTROSEA LLC

Offshore supply platform and self-service supply system and method

The invention discloses an offshore supply platform and a self-service supply system and method. The offshore supply platform comprises an energy module, a fresh water module, a supply suspension arm module and a control module. The energy module comprises a power generation device, a storage battery pack and a power transmission line. The storage battery pack is connected with the power generation device and the power transmission line. The fresh water module comprises a fresh water tank and a fresh water conveying pipeline which are communicated with each other; the supply lifting arm module comprises a lifting arm, a telescopic mechanism, a rotating mechanism and two pulleys, the telescopic mechanism and the rotating mechanism are both located at the bottom end of the lifting arm, and the two pulleys are both located at the top end of the lifting arm and bear a power transmission line and a fresh water conveying pipeline respectively; and the control module is connected with the lazy arm supply module. According to the embodiment of the invention, the supply suspension arm module is used for efficiently transferring fresh water and electric energy between ships. The operation is simple, convenient and reliable, the workload is reduced, the supply efficiency is improved, and the overall operation safety and reliability are also improved.
Owner:WUHAN UNIV OF TECH

Integrated electrolyzed water ocean buoy

The invention discloses an integrated electrolyzed water ocean buoy, which relates to the technical field of ocean new energy, and comprises an electrolyte supply box, a floating box, an electrolysis module, a buoy main body and a power supply module, a water through hole is formed in the bottom wall of the electrolyte supply box; the floating box is fixed above the electrolyte supply box, and a cavity is formed in the floating box; the electrolysis module is located in the cavity, and the electrolysis reaction assembly is located in an inner cavity of the electrolysis reaction tank and communicates with the electrolyte supply box; the hydrogen output pipeline is communicated with the electrolytic reaction tank; the lower end of the buoy body is fixed and communicated with the floating box, the other end is away from the floating box, a containing space is formed in the buoy body, detection equipment and a hydrogen storage assembly are installed in the containing space, and the hydrogen storage assembly is communicated with the hydrogen output pipeline; and the output end of the power supply module is electrically connected with the electrolytic reaction assembly and the detection equipment. The zero-carbon hydrogen production buoy platform integrating the functions of self-energy-supply efficient hydrogen production, seawater desalination, multi-energy coupling utilization and the like can be realized.
Owner:YANTAI KEKAN MARINE TECH CO LTD

An energy supply system and method for an ocean-going vessel

The application provides a device system and a method for energy supply of an ocean-going ship, which comprises a ship central cooling system, a heavy oil hydrogen mixing system, a ship heating system, a solid oxide electrolysis system and a ship wind power generation system; the ship central cooling system comprises a ship engine; a fresh water cooling outlet pipe of the ship central cooling system is connected with the ship heating system; a steam outlet of the ship heating system is connected with the solid oxide electrolysis system; the ship wind power generation system is connected with the solid oxide electrolysis system through an electric power facility; a hydrogen outlet of the solid oxide electrolysis system is connected with the heavy oil hydrogen mixing system; and a fuel oil outlet of the heavy oil hydrogen mixing system is connected with the ship engine. The application can realize multi-stage utilization of energy and effectively recycle waste heat generated by a diesel engine of the ship.
Owner:GANJIANG INNOVATION ACAD CHINESE ACAD OF SCI

Water system for ship and ship

The utility model belongs to the technical field of water treatment, and discloses a ship water system and a ship. The ship water system comprises a living fresh water tank, a technical fresh water tank, a fresh water preparation device and a distilled water tank. Fresh water is pre-stored in the living fresh water tank, and the living fresh water tank is communicated with the first pressure tank so as to convey the fresh water to the living area water supply system and the cabin area water supply system; fresh water is pre-stored in the technical fresh water tank, and the technical fresh water tank is communicated with the second pressure tank so as to convey the fresh water to the cargo compartment area water supply system and the equipment water supply system; the fresh water preparation device can collect seawater and desalinate the seawater into fresh water; the fresh water preparation device is communicated with the distilled water tank, fresh water prepared by the fresh water preparation device is stored in the distilled water tank, and the distilled water tank can be isolated from or communicated with the second pressure tank. By pre-storing the fresh water which does not contain radioactive substances, the domestic water demand and the technical water demand are ensured, emergency water supply can be carried out on the technical fresh water tank by utilizing the fresh water preparation device, and normal operation of ship equipment is ensured.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Marine synergy type steam jet refrigeration system

The invention discloses a marine synergistic steam jet refrigeration system, which comprises a seawater desalination module, a medium circulation module and a steam jet module, and is characterized in that the seawater desalination module is used for converting sucked seawater into fresh water; the medium circulation module comprises a medium circulation shell, a water sprayer and a medium circulation loop, the medium circulation shell is provided with a buffer cavity and a heat exchange cavity which are not communicated with each other, the buffer cavity is communicated with the outlet end of the seawater desalination module and used for sucking converted fresh water, the water sprayer is communicated with the buffer cavity and the heat exchange cavity, and the heat exchange cavity is communicated with the medium circulation loop. And the medium circulation loop is used for spraying the fresh water in the buffer cavity into the heat exchange cavity and comprises a refrigeration part and a heat exchange part which are communicated with each other. The system has the beneficial effects that the main ejector and the auxiliary ejector are matched with each other, the main ejector can continuously extract steam from the heat exchange cavity, the gasification heat absorption speed of fresh water in the heat exchange cavity is guaranteed, the working efficiency of the refrigerating system is improved, and the refrigerating performance of the refrigerating system is guaranteed.
Owner:WUHAN UNIV OF TECH

A thermal management system applied to a hybrid lithium electric power system

The application discloses a kind of heat management systems applied to hybrid lithium electric power system, comprising: sea water desalination processing device: for the sea water obtained in the process of ship travel is filtered;Lithium battery group: for the power equipment of ship provides electric energy;First temperature sensor: for the temperature of lithium battery group is collected;Oil tank: for the oil required when emergency generator works is stored;Second temperature sensor: for the temperature of oil tank is collected;Emergency generator: for the power equipment of ship provides electric energy;Third temperature sensor: for the temperature of emergency generator is collected;Control system: based on the temperature information conveyed by first temperature sensor, second temperature sensor and third temperature sensor, control sea water desalination processing device, in turn, lithium battery group, oil tank and emergency generator are cooled down.The system is cooled by three levels, to maximize the cooling of seawater to system, realize the reduction of cooling cost.
Owner:DALIAN MARITIME UNIVERSITY

Environmentally-Friendly Ship Propulsion System

An environmentally friendly ship propulsion system and a method for propelling a ship. The ship propulsion system comprises an osmosis chamber (1), a pressure relief unit (2) and a desalination unit, the osmosis chamber (1) comprising a high salinity region (11) and a low salinity region (12) separated from one another by an osmotic membrane (13). The pressure relief unit (2) having at least one pressure-motion converter connected to the high-salinity region (11) of the osmosis chamber (1) via high-pressure line (21). The desalination unit is suitable for producing salt or at least high-salinity water and fresh water or at least low-salinity water. A fresh water pipe connecting the desalination unit with the low salinity area (12) of the osmosis chamber (1) and a salt water supply (14) is controllably connected to the high salinity area (11) of the osmosis chamber (1). (FIG. 1a)
Owner:BAKKERS GABRIEL +2

Mobile autonomous device for producing fresh water from air at sea

The invention relates to devices for producing fresh water from ambient atmospheric water vapour and can be used for producing fresh water, preferably on natural water bodies. A mobile autonomous device for producing fresh water from air at sea is characterized in that it comprises a barge, the bilge of which has a tank disposed therein for storing fresh water from a rain chamber, and pipes which pass through the barge and the rain chamber and are connected in a ring via storage tanks, a circulating pump and a cooler which is disposed at depth in the sea and is attached to the barge by cables, wherein the rain chamber is connected by an air duct to a thermal collector via a fan; disposed between the thermal collector and the rain chamber are a compressor and an expansion valve of a heat pump, the pipes of the heat pump being disposed in the rain chamber and the thermal collector; mounted in proximity to the thermal collector is an electric power generator that is rotated by an underwater turbine which is rotated by kinetic energy from an underwater sea current; and the device is further equipped with a control system, wherein the barge is designed to be capable of changing position relative to the sun to ensure optimal positioning of the thermal collector toward the sun.
Owner:KULMAGAMBETOV ANUAR RAJHANOVICH

Power and freshwater supply system for ocean integrated platform

Disclosed is a power and freshwater supply system for an ocean integrated platform, falling within the field of offshore integrated power generation technologies and methods. A wind farm, a compressed air energy storage system with heat storage, a vortex tube, a temperature difference energy power generation system, and an energy management system are included. Leveraging the complementary characteristics of wind energy and temperature difference energy, a sustainable power and freshwater supply system for an ocean integrated platform is established, providing clean and reliable energy and freshwater resources for facilities such as islands in deep and distant sea, offshore oilfields, and mariculture.
Owner:JIANGSU UNIV OF SCI & TECH

Fresh water automatic recycling device suitable for large ship

ActiveCN222272334Uefficient collectionOptimize layoutAuxillariesIndustrial water supply conservationWater dischargeWater storage tank
An automatic fresh water recycling device suitable for a large ship relates to the technical field of equipment and layout of fresh water recycling of the large ship and comprises a collecting and processing mechanism, a circulating mechanism and an electric control mechanism, and the collecting and processing mechanism comprises a muddy water settling tank, a filtering tank and a clean water storage tank. The bottom of the muddy water settling tank, the filter tank and the lower end of the clear water storage tank are in a downward protruding arc shape and are provided with discharge valves, a filter screen is arranged at the upper part of the filter tank, and a gravel filter layer is arranged below the filter screen; the circulating mechanism comprises a water feeding mechanism and a water discharging mechanism, the water feeding mechanism comprises a clean water storage tank, a water feeding pump, a clean water feeding pipe and a clean water tank, the clean water feeding pipe is connected with the water feeding pump and the clean water tank, and the water discharging mechanism comprises a water injection pump, a water discharging pipe valve, a toilet, a clean water tank, a water spraying plug and a sewage discharging pipe; the electric control mechanism comprises an electric control box, a PLC control device is arranged in the electric control box, and the electric control mechanism further comprises a detection module, an analysis module and an execution module. The ship rainwater recycling device can be used for recycling water stored in a ship and collecting and storing rainwater, and is convenient to use.
Owner:HAIZHIXIN ENVIRONMENTAL PROTECTION TECH (WUHAN) CO LTD

Auxiliary boiler water treatment device for reverse osmosis ship

The invention discloses a reverse osmosis marine auxiliary boiler water treatment device, which comprises a reverse osmosis membrane group, an ultrafiltration membrane group, a water condensation cabinet, a high-pressure pump, a laminated filter, a flushing water pump and a backwashing water tank, the reverse osmosis membrane group and the ultrafiltration membrane group are used for treating tap water, the water condensation cabinet is used for collecting and storing condensed water discharged by a boiler, and the high-pressure pump is used for filtering the condensed water. The high-pressure pump is used for providing conveying power, and the laminated filter is used for filtering impurities in water. By arranging the reverse osmosis membrane set, the ultrafiltration membrane set, the water condensation cabinet, the high-pressure pump, the laminated filter, the flushing water pump and the backwashing water tank, the effect of treating water of the auxiliary boiler is achieved, through cooperation of the reverse osmosis membrane set, the ultrafiltration membrane set and the laminated filter, not only can condensate water be treated, but also tap water can be treated, and the water quality is improved. Therefore, high-quality fresh water can be produced, the requirement for safe operation of the boiler can be met, the defects caused by chemical dosing treatment can be avoided, and convenience is brought to water treatment work of the auxiliary boiler.
Owner:NANJING CHENGYUAN SHIPBUILDING TECH CO LTD +1

Green hydrogen production, storage and transportation integrated ship system for offshore wind power and its operation method

The present invention provides an integrated ship system for the production, storage and transportation of green hydrogen for offshore wind power and its operation method, which relates to the technical field of offshore wind power development. The system includes a ship and a hydrogen production device and a hydrogen storage device arranged in the ship. The hydrogen production device is used to electrolyze seawater or fresh water into hydrogen and oxygen. The hydrogen storage device is used to store the hydrogen produced by the hydrogen production device. The ship is used to connect to an offshore wind power base station and travel between the offshore wind power base station and the home port. The present invention integrates the hydrogen production and storage devices inside the ship, and at the same time realizes the integrated production, storage and transportation of offshore green hydrogen. It has a simple structure and clear functions. It can be precisely customized according to the scale of offshore wind power, reducing the construction volume and cost, reducing the maintenance difficulty of each equipment, and improving the stability and flexibility of the entire system. It can also be manufactured, modified, maintained and repaired on shore, avoiding high-cost and high-risk offshore and seabed operations.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

System for making fresh water by utilizing rotary drum sail and BOG (Boil Off Gas) cold energy for LNG (Liquefied Natural Gas) ship

The invention relates to the technical field of ships, and provides a system for preparing fresh water by using rotary drum sails and BOG cold energy for an LNG (Liquefied Natural Gas) ship, which comprises an LNG cargo hold, a fresh water preparation unit, a fuel treatment unit, an ice crystal collection unit, an ice crystal treatment unit and a fresh water collection cabinet. BOG generated by the LNG cargo hold is compressed by the compressor and introduced into an interlayer between the sail sleeve and the middle shaft, and freezing of the outer surface of the BOG is accelerated by utilizing the advantages of high humidity and strong airflow environment on the sea and super-large surface area of the rotary cylinder sail; and then the ice scraper collects ice crystals, the ice crystals are dissolved, filtered and sterilized into fresh water to be stored in a collection cabinet, and BOG is introduced into the main machine. The BOG cold energy is ingeniously utilized, the value of the cold energy is fully excavated, dependence of seawater desalination equipment is reduced, and the method conforms to the green and efficient trend of shipping.
Owner:QINGDAO UNIV OF SCI & TECH

Fresh water regeneration manufacturing system for ship

The invention relates to a fresh water regeneration manufacturing system for a ship, and belongs to the technical field of fresh water regeneration, the fresh water regeneration manufacturing system for the ship comprises a settling tank, a mixing chamber, a filtering chamber and a water storage chamber which are communicated in sequence, and mounting strips are slidably arranged on the two opposite sides in the settling tank; the sliding direction of the mounting strips is parallel to the height direction of the settling tank, an adjusting plate is rotationally arranged between the two mounting strips, the rotating axis of the adjusting plate is perpendicular to the sliding direction of the mounting strips, and the adjusting plate is used for rotating in the direction close to or away from the mounting strips so as to separate or communicate the interior of the settling tank; an adjusting assembly is arranged in the settling tank, the adjusting assembly is used for driving the adjusting plate to rotate towards the direction close to the mounting strip and then adjusting the mounting strip to slide towards the direction close to the bottom of the settling tank, a sewage discharging hopper is arranged at the bottom of the settling tank, and a valve is mounted on the sewage discharging hopper. The method has the advantage of improving the fresh water regeneration treatment efficiency.
Owner:HANSUN (SHANGHAI) MARINE TECH CO LTD +1

Marine nuclear waste heat driven compact water and oxygen making system and control method

The invention relates to a marine nuclear waste heat driven compact water and oxygen making system and a control method, and the system comprises a water making unit which comprises a multi-effect evaporator connected to a nuclear energy secondary loop system, the multi-effect evaporator heats seawater to generate steam and condenses the steam into fresh water, and the multi-effect evaporator is connected with a purification device for purifying the fresh water; the oxygen generation unit comprises a solid oxygen candle oxygen generation module and an electrolyzed water oxygen generation module, the solid oxygen candle oxygen generation module takes sodium chlorate as an oxygen source and generates oxygen through a thermal decomposition reaction, and pure water purified by the electrolyzed water oxygen generation module generates oxygen through electrolyzed water; and the control unit dynamically controls the pure water produced by the water production unit to the oxygen production unit according to the ship operation working condition, the oxygen demand and the electrical load, and controls the start and stop and the oxygen production of the solid oxygen candle oxygen production module and the electrolyzed water oxygen production module. The oxygen generation mode can be switched according to the operation state of the nuclear energy ship, the solid oxygen candle oxygen generation module is preferentially used for generating oxygen when power is insufficient, and when power is sufficient, the solid oxygen candle oxygen generation module and the solid oxygen candle oxygen generation module are used simultaneously to better meet different navigation requirements.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719