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584results about "Hull interior subdivision" patented technology

Plug flow type mechanical pressurization cyanobacteria control ship

The invention discloses a plug flow type mechanical pressurization cyanobacteria control ship, which belongs to the field of ecological environment governance, and mainly comprises a ship body, an algae collection head, a buoyancy cabin, a water collection tank, a pressurization treatment cabin and a pressurization assembly, the lever principle and the electric push rod are used for pressurizing, so that compared with a mode of directly pressurizing a water body by using an air compressor, a water pump and the like, the treatment energy consumption is low, and the pressurizing speed is higher; through the combined design of the dustpan-shaped algae collecting head, the algae inlet position, the pressurization treatment bin layering and the like, the entering and the discharging of high-algae-content water are realized by utilizing the ship advancing power and the water impeller, the operation energy consumption is greatly reduced compared with the water pump sampling, and the device can be suitable for blue-green algae prevention and control in water areas such as lakes, reservoirs, water sources, landscape water bodies and the like.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Ship with liquid cargo tank detection channel

The utility model relates to the technical field of ships, in particular to a ship with a liquid cargo tank detection channel. Wherein the detection channel is defined by a horizontal girder, a fence and the bulkhead of the liquid cargo tank, a first passing hole communicated with the detection channel is formed in a transverse strong frame of the liquid cargo tank, or an avoiding platform which is arranged on the outer side of the transverse strong frame in a striding mode and is provided with a communication channel is arranged on the longitudinal bulkhead of the liquid cargo tank, and the communication channel is communicated with the detection channels on the two sides of the transverse strong frame. The inherent horizontal girder of the ship liquid cargo tank and the liquid cargo tank wall are used as the main body of the detection channel, so that the manufacturing material is saved, and the cost is reduced; a first passing hole communicated with the detection channel is formed in a transverse strong frame of the liquid cargo tank, or an avoiding platform arranged on the outer side of the transverse strong frame in a crossing mode is arranged on the longitudinal bulkhead of the liquid cargo tank and used for being connected with the detection channel, so that the detection channel does not need to integrally cross the strong frame from the outside, parts are reduced, and cost is reduced.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Ship superstructure combined type bulkhead structure and manufacturing method

The invention relates to the technical field of ship construction, in particular to a ship superstructure combined type bulkhead structure and a manufacturing method. By combining the straight bulkhead and the groove-shaped bulkhead, on one hand, the groove-shaped joints on the groove-shaped bulkhead can reduce welding heat input deformation, reduce the original construction object quantity and the structural light weight, and ensure the rigidity of the bulkhead structure in the height direction; and on the other hand, the outfitting open hole is formed in the flat and straight bulkhead, so that the opening precision of the outfitting open hole is conveniently controlled, and effective connection of the penetration piece and the bulkhead structure is realized. And meanwhile, the stiffener is arranged, so that the bulkhead structure is reinforced in the through direction of the outfitting opening. The center line and the folding line of the groove-shaped node are surveyed on the wall plate of the combined type bulkhead structure in advance, so that the subsequent precision inspection of the combined type bulkhead structure is facilitated, the operation is simpler, and the inspection result is clear at a glance.
Owner:JIANGNAN SHIPYARD (GRP) CO LTD

Loading, transporting and unloading integrated giant multifunctional material guarantee ship and using method

The invention discloses a loading, transporting and unloading integrated giant multifunctional material guarantee ship and a using method, and belongs to the technical field of material guarantee ships. A loading, transporting and unloading integrated giant multifunctional material guarantee ship comprises a ship body and further comprises a dredge pump cabin, a diesel engine cabin, an intermediate deck, a double-side loading system, a triangular cabin and a bow blowing device, an in-cabin dredge pump and a flushing pump are arranged on a cabin bottom deck of the dredge pump cabin, and a diesel engine is arranged on a cabin bottom deck of the diesel engine cabin. The double-board loading system comprises loading pipes arranged at the left and right board positions and connected with a dredge pump cabin, a winch hoisting device and a quick connector module used for achieving connection of a floating pipe of a cutter suction dredger and the loading pipes. The hydraulic loading and unloading mode is adopted, the problems that a traditional sand transporting mode is not suitable for long-distance transportation, the loading and unloading efficiency is low or the traditional sand transporting mode depends on wharf facilities and anchorage ground lightering can be effectively solved, and the operability and the operation efficiency of long-distance sand transporting business are greatly improved.
Owner:CCCC GUANGZHOU DREDGING CO LTD

Modularized cabin structure

The invention relates to the technical field of ship body parts, in particular to a modularized cabin structure. Comprising a cabin body arranged below a ship body floor and power cabins arranged at the two ends of the cabin body, the cabin body comprises two sets of modular buoyancy cabins which are arranged at intervals, a self-adaptive draught space box is formed between the two sets of modular buoyancy cabins, and the modular buoyancy cabins and the self-adaptive draught space box are detachably connected. Each modular buoyancy bin comprises n unit bins arranged in an array mode, n is larger than or equal to 2, and a buoyancy block is arranged in each unit bin. A stabilizing assembly is arranged in the self-adaptive draught space box. Flexible construction of a site is achieved through modular structure setting, the buoyancy and strength of the ship are ensured through the synergistic effect of all the structures, the ship can not sink even if water enters the ship, meanwhile, the stability of the ship in heavy storm waves is enhanced through installation of the stabilizing assemblies, and the ship is suitable for various types of ships and has extremely high adaptability and safety.
Owner:唐天高

Hydroponic vegetable planting cabin for ship and ocean polar region ship

The invention belongs to the technical field of ships, and discloses a hydroponic vegetable planting cabin for a ship and an ocean polar region ship, the hydroponic vegetable planting cabin for the ship comprises a cultivation system, a nutrient solution circulating system and an air conditioning system, the cultivation system comprises a cultivation pipeline for cultivating vegetables, the nutrient solution circulating system comprises a nutrient solution storage box, a circulating pipeline used for connecting the nutrient solution storage box with the cultivation pipeline and a pump used for driving the nutrient solution to flow, and the air conditioning system is used for controlling temperature and humidity. Vegetables are planted in a hydroponic mode, the requirement for fresh vegetables in long-period navigation is met, on one hand, the hydroponic vegetable planting cabin is arranged at the position close to the waterline of the ship body so that the hydroponic vegetable planting cabin can be kept in a stable state as much as possible, and on the other hand, the hydroponic vegetable planting cabin is arranged on the broadside of the ship body so that the waterline of the ship body can be kept stable. The porthole arranged on the broadside is used for ensuring the incidence of natural light, so that a stable and good cultivation environment with sufficient illumination is provided for the growth of vegetables.
Owner:GUANGDONG GUANGCHUAN INT MARINE SCI & TECH RES INST CO LTD

Oil storage tank and ship

The utility model discloses an oil storage tank, and relates to the technical field of ships, the oil storage tank comprises a fuel oil tank and a daily oil tank which are separated from each other, the fuel oil tank and the daily oil tank are of an integrated structure, the daily oil tank is located below the fuel oil tank, a fuel oil conveying pipeline is arranged between the fuel oil tank and the daily oil tank, and the fuel oil conveying pipeline is communicated with the daily oil tank. The fuel oil delivery pipeline is communicated with the fuel oil tank and the daily oil tank, and a fuel oil delivery pump is arranged on the fuel oil delivery pipeline. The utility model further discloses a ship. The fuel oil tank and the daily oil tank are arranged to be of an integrated structure, so that the structure of the fuel oil tank is more compact, the space utilization rate of the fuel oil tank is improved, the occupied space of the fuel oil tank is reduced, the daily oil tank is arranged below the fuel oil tank, and the pressure in a fuel oil output pipeline of the daily oil tank is reduced.
Owner:PINGHU HUAHAI SHIPBUILDING CO LTD

Arrangement structure of fuel tank for cabin of ship and electric propulsion, and ship comprising same

The present invention provides an arrangement structure of a fuel tank for cabins of a ship and electric propulsion, comprising: an electric propulsion system (110) which is arranged in an engine room (111) and provides power produced by a gas turbine (112) as a propulsion force to an electric propulsion motor; a first liquefied gas storage tank (120) which is arranged in a cargo section (A) and supplies a first gas fuel to the gas turbine (112); and a second liquefied gas storage tank (130) which is arranged in a bow section (b) and supplies a second gas fuel to the gas turbine (112), to thereby secure safety and an extra space in the engine room through the arrangement of the second liquefied gas storage tank (130) in the bow.
Owner:HANWHA OCEAN CO LTD (KR)

Methanol isolation cabin and ship

The utility model relates to the technical field of ships, and provides a methanol isolation cabin and a ship, which comprise a shell, a gas injection assembly and a gas exchange assembly. Wherein the methanol fuel cabin is wrapped with the shell, and the shell and a shell of the methanol fuel cabin are arranged in a spaced mode to form an isolation space; the gas injection assembly comprises a first pipeline, one end of the first pipeline is inserted into the isolation space, and inert gas can be selectively introduced into the isolation space; the ventilation assembly comprises a second pipeline and a third pipeline, the second pipeline and the third pipeline both communicate with the isolation space, the second pipeline can selectively communicate with the indoor environment and the outdoor environment of the isolation space, and the third pipeline can be selectively connected with any one of the breather valve and the first air pipe head. Through the arrangement, the use efficiency of the inert gas can be improved, and the safety of the methanol isolation cabin is improved.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Automatic surface garbage salvage ship

An automatic surface garbage salvaging vessel relates to the technical field of water ecological environmental protection. The vessel comprises a hull for traveling on the water surface; a garbage lifting mechanism disposed at the front end of the hull for conveying garbage on the water surface to a garbage crushing mechanism at the rear via an inclined conveyor belt; a garbage crushing mechanism disposed at the hull and located at the rear of the garbage lifting mechanism for crushing the collected garbage and pushing it to a garbage compression mechanism at the rear; a garbage compression mechanism disposed at the hull and located at the rear of the garbage crushing mechanism for compressing the crushed garbage and, when the compressed garbage reaches a certain amount, pushing a portion of the compressed garbage to a garbage collection bin at the rear; and a garbage collection bin disposed at the hull and located at the rear of the garbage compression mechanism for collecting the compressed garbage. The present invention can reduce the space occupied by garbage by compressing the collected garbage, thereby increasing the total amount of garbage collected during each operation.
Owner:HUNAN INST OF TECH

Systems and methods for high-speed cargo transport

A vessel for transporting cargo by water comprises one or more propulsion devices with at least one air-breathing engine from the one or more propulsion devices disposed entirely above a surface of the water in a high-speed mode of operation. The least one air-breathing engine is configured to bleed airflow into a fluid circuit. The fluid circuit routes the bleed airflow to one or more fluid outlets disposed entirely below the surface of the water in the high-speed mode of operation. At least some of the one or more fluid outlets release the bleed airflow in the high-speed mode of operation generate a boundary layer along at least a portion of a hull of the vessel to reduce a skin friction drag thereof.
Owner:ARCHIMEDES FREIGHT INC

Floating wind turbine platform

The disclosure relates to a floating wind turbine platform, comprising: a substantially triangular hull configurable to support a wind turbine tower; the hull comprising a first, second and third column, the first, second and third columns being connected by a first, second and third pontoon member, as well as by a first, second and third connector.
Owner:PRINCIPLE POWER INC

Container transport ship

The utility model discloses a container transport ship, and belongs to the technical field of ships, and the container transport ship comprises a ship body used for loading containers; the tail vane is mounted at the bottom of the stern end of the hull; the propeller is installed at the bottom of the stern end of the ship body, the propeller is set to be of a fixed pitch, and the propeller is used for providing advancing thrust; wherein the tail vane is closer to the end part of the ship body relative to the propeller, a bulge is arranged at the end part of the tail vane opposite to a middle shaft of the propeller, the surface of the bulge is an arc-shaped surface, and a gap is formed between the bulge and the end part of the middle shaft of the propeller. According to the invention, the fuel consumption is reduced, better power performance can be realized, meanwhile, the pollutant emission in the sailing process is also effectively reduced, and the low-carbon requirement is met.
Owner:WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD

Oil spill treatment ship based on multifunctional integrated cabin and application of oil spill treatment ship

The invention discloses an oil spill treatment ship based on a multifunctional integrated cabin and application of the oil spill treatment ship, and belongs to the technical field of water surface environment protection. The ship comprises a deck, a cabin body below the deck and a navigation bridge installed on the surface of the deck. The top face and the interior of the navigation bridge are fixedly connected with a camera and a water surface oil spill emergency treatment system correspondingly. A mechanical arm base and a mechanical arm movably connected to the mechanical arm base are fixedly connected to the surface of a deck in front of the navigation bridge, a transverse oil suction roller is fixedly connected to the front end of the mechanical arm, and outward-opening arm unfolding plates are fixedly connected to the positions, on the two sides of the oil suction roller, of the prow; the cabin body is divided into a port treatment area and a starboard treatment area by a longitudinal isolation wall extending along the direction of the cabin body keel; an oil spill recovery cabin and a garbage compression cabin are sequentially arranged in the larboard treatment area from a ship bow to a ship stern; a sand excavation monitoring cabin is arranged in the starboard treatment area; and the stern parts of the port treatment area and the starboard treatment area are isolated to form a shared power cabin, so that a cabin body structure with compact space and integrated functions is formed.
Owner:WANJIANG INST OF TECH

Novel liquid carbon dioxide transport ship adopting fiber composite material liquid cargo tank

The invention belongs to the technical field of liquid carbon dioxide transport ships, and particularly relates to a novel liquid carbon dioxide transport ship adopting a fiber composite liquid cargo tank. The ship comprises a main ship body. The main ship body comprises a tail module, a cabin module, a cargo compartment module and a head module. A plurality of independent cargo compartment chambers are arranged in the cargo compartment module, and the adjacent cargo compartment chambers are separated through transverse compartment walls; an independent carbon dioxide liquid cargo tank, a top ballast tank and a bottom ballast tank are arranged in each independent cargo compartment; the carbon dioxide liquid cargo tank is made of a fiber composite material or a combination of steel and the fiber composite material and comprises an inner container and a winding layer, and the cross section of the carbon dioxide liquid cargo tank is of a bilateral symmetry polygonal structure. The carbon dioxide liquid cargo tank is connected with the hull structure through supporting blocks. The liquid carbon dioxide transport ship is high in cargo hold area capacity utilization rate, high in stability and reliability and low in capacity requirement for hoisting facilities in the construction process.
Owner:DALIAN SHIPBUILDING IND OFFSHORE CO LTD

Ship

To aim for effective use of the space in a hull and to improve a degree of freedom in design.SOLUTION: A ship comprises an engine room which is provided in a hull and in which an engine is accommodated, a lower vehicle deck forming a ceiling of the engine room, an upper vehicle deck provided above the lower vehicle deck, a first casing installed between the upper vehicle deck provided just above the lower vehicle deck and the lower vehicle deck, and forming the space to pull out a piston in communication with the engine room, and a second casing extending upward on the upper vehicle deck from the lower vehicle deck at the position different from the first casing in plan view, and forming a pipe insertion space which guides the exhaust pipe flowing the engine exhaust gas above the upper vehicle deck.SELECTED DRAWING: Figure 2
Owner:MITSUBISHI SHIPBUILDING CO LTD

Personal watercraft

A personal watercraft includes a watercraft body provided with a deck, a hood, and a locking mechanism. The deck includes a driver boarding portion and an opening forming portion where an opening is formed forward of the driver boarding portion and an engine room is partitioned below the opening. The hood, to which a steering shaft is attached to cause a handle to be exposed upward, covers the opening from above to allow opening and closing by pivoting with respect to the deck by using a front end supported by the opening forming portion as a fulcrum. The locking mechanism is a mechanism that fixes the rear end of the hood to the deck with the opening closed, and includes a first locking part and a second locking part disposed with spacing in the left-right direction.
Owner:KAWASAKI MOTORS LTD

fuel cell ship

To avoid a situation where a fuel cell ship is stopped on the sea during navigation even when a failure of fuel cells occurs or the fuel cell reaches a device life during navigation of the fuel cell ship.SOLUTION: A fuel cell ship includes: a propulsion device for generating a propulsion force in a hull by power; a power supply part for supplying the power to the propulsion device; and a degradation rate control part for adjusting a degradation rate. The power supply part has a plurality of fuel cells for generating power by an electrochemical reaction of a fuel, and at least one storage cell.SELECTED DRAWING: Figure 2
Owner:YANMAR HLDG CO LTD

Anti-sway water tank and use method thereof

The present invention proposes an anti-sway water tank and a method of using the same, which belongs to the field of anti-sway water tanks, including water storage in a tank; a partition dividing the interior of the tank into a plurality of cavities; a movable plate symmetrically arranged on both sides of the partition; a plurality of through holes are opened on the partition, and the plurality of through holes are arranged in a plurality of rows along the extension direction of the partition; when the tank is tilted, a liquid level difference is formed in the two cavities on both sides of the partition, and the two movable plates move synchronously relative to the partition along the vertical direction of the partition surface, so that one of the movable plates abuts the partition surface and closes the through hole; a movable plate is arranged on the partition to move with the tilt of the tank to control the opening and closing of the through hole by an opening and closing component, which can adjust the number and position of the opened through holes as the liquid level of each separated cavity changes, so that the through holes below the liquid surface are always kept open and the through holes above the liquid surface are always closed, which can not only greatly improve the convection speed of adjacent cavities, but also ensure that the convection of adjacent cavities is always completed through the through holes below the liquid surface.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Method and system for controlling airborne radioactivity in a control area of a surface nuclear powered ship

ActiveCN116552771BHull interior subdivisionPower plants using nuclear energyNuclear engineeringNuclear power
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.
Owner:CHINA SHIP DEV & DESIGN CENT

System and method for fumigating a ship with crew protection

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.
Owner:FINTRAN AUSTRALIA PTY LTD

Systems and methods for high-speed cargo transport

A vessel for transporting cargo by water comprises one or more propulsion devices with at least one air-breathing engine from the one or more propulsion devices disposed entirely above a surface of the water in a high-speed mode of operation. The least one air-breathing engine is configured to bleed airflow into a fluid circuit. The fluid circuit routes the bleed airflow to one or more fluid outlets disposed entirely below the surface of the water in the high-speed mode of operation. At least some of the one or more fluid outlets release the bleed airflow in the high-speed mode of operation generate a boundary layer along at least a portion of a hull of the vessel to reduce a skin friction drag thereof.
Owner:ARCHIMEDES FREIGHT INC

Anti-freezing mechanism of ship fresh water tank and ship structure thereof

The invention relates to the technical field of ship fresh water anti-freezing, and discloses an anti-freezing mechanism of a ship fresh water tank and a ship structure thereof.The anti-freezing mechanism comprises the fresh water tank, and a water outlet pipeline is arranged at the bottom of the side wall of the fresh water tank; the fresh water pressure pump is connected to the tail end of the water outlet pipeline so as to receive fresh water of the fresh water tank, and the fresh water pressure pump is connected with a water using mechanism; one end of the fresh water backflow pipe is connected with the fresh water pressure pump, and the other end of the fresh water backflow pipe is connected with the top of the fresh water tank so that backflow fresh water can drip on the surface of fresh water in the fresh water tank. According to the anti-freezing mode, anti-freezing is achieved through self-circulation of fresh water, heat source supply of a steam boiler or a hot oil boiler is not needed, hot oil, compressed air and other media possibly containing oil or impurities do not need to be introduced, a drinking water source is prevented from being polluted, complex equipment such as a hot oil and hot water heater and an electric heating coil does not need to be additionally arranged, and the modification cost and the maintenance difficulty are reduced.
Owner:GUANGZHOU WENCHONG SHIPYARD CO LTD

A ship for loading and unloading integrated giant multi-functional material support ship and method of use

The application discloses a kind of integrated shipment and unloading giant multifunctional material support ship and use method, belong to material support ship technical field.Integrated shipment and unloading giant multifunctional material support ship, including hull, further include: mud pump cabin, diesel engine cabin, intermediate deck, double side loading cabin system, triangular cabin and bow blowing device, cabin bottom deck of mud pump cabin is equipped with in-cabin mud pump and flushing pump, diesel engine cabin is equipped with diesel engine on cabin bottom deck, double side loading cabin system includes loading cabin pipe being placed at left and right side positions and being connected with mud pump cabin, winch hoisting device and quick coupling module for realizing the connection of cutter suction dredger floating pipe and loading cabin pipe;The application adopts hydraulic loading and unloading mode, which can effectively solve the problems of traditional sand transportation mode, such as inapplicability to long-distance transportation, low loading and unloading efficiency, or dependence on wharf facilities and anchorage area, greatly improving the operability and operation efficiency of long-distance sand transportation business.
Owner:CCCC GUANGZHOU DREDGING CO LTD

Swing stopping bulkhead of storage tank for liquefied gas transport ship

The utility model discloses a swing stopping bulkhead of a storage tank for a liquefied gas transport ship. The swing stopping bulkhead comprises two webs, a panel, a permeable pore plate and a plurality of horizontal reinforcing rib plates. The two web plates are fixed on the inner wall surface of the storage tank at intervals; the panel is connected between the inner diameter surfaces of the two web plates; the permeable pore plate is fixed on the inner diameter surface of the front part of the panel; the upper part and the lower part of the water-permeable pore plate are respectively provided with an upper inferior-arc-shaped water-permeable pore and a lower inferior-arc-shaped water-permeable pore, and a plurality of rows of circular water-permeable pores are horizontally formed between the upper inferior-arc-shaped water-permeable pore and the lower inferior-arc-shaped water-permeable pore; a plurality of horizontal reinforcing rib plates are fixed between the two web plates and are inserted into a plurality of flat through holes which are horizontally formed in the two sides of the panel in a one-to-one correspondence manner, the front side surfaces of the plurality of horizontal reinforcing rib plates are fixed on the rear surface of the permeable pore plate, and the plurality of horizontal reinforcing rib plates are positioned among the plurality of rows of circular permeable holes in a one-to-one correspondence manner. According to the utility model, the problem of fatigue failure easily caused by stress accumulation of the oscillation stopping panel can be reduced under the condition of reducing periodic impact of oscillation load.
Owner:SHANGHAI KAIREN GAS ENG CO LTD

Oil tank leakage-proof device, oil tank leakage-proof device installation method and oil tank assembly

The invention belongs to the technical field of oil tanks, and discloses an oil tank leakage-proof device, an oil tank leakage-proof device installation method and an oil tank assembly.The oil tank leakage-proof device is used for being installed on an oil tank body, the oil tank body is provided with an oil outlet pipe, the first end of the oil outlet pipe is connected with the oil tank body, and the second end of the oil outlet pipe is used for being connected with an external pipeline; oil in the oil tank body can flow into an external pipeline through the oil outlet pipe. The oil tank leakage-proof device is connected to the oil tank body and provided with an oil storage tank, and the oil storage tank is located below the second end of the oil outlet pipe and used for collecting oil leaked from the oil outlet pipe and an external pipeline, so that the oil leaked from the joint of the oil outlet pipe and the external pipeline can be collected through the oil storage tank. And leaked oil can be prevented from polluting the place where the oil tank body is located.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD

Fuel cell ship

A fuel cell ship includes a cooling system that cools a fuel cell. The cooling system includes a cooling medium tank that accommodates a cooling medium, a cooling medium circulation pipe that circulates the cooling medium between the fuel cell and the cooling medium tank, a cooling tank internal gas detector installed in the cooling medium tank, a cooling tank internal gas discharge pipe connected to the cooling medium tank, and a cooling tank internal gas discharge valve installed in the cooling tank internal gas discharge pipe. The fuel cell ship includes a control unit that controls opening and closing of the cooling tank internal gas discharge valve. The control unit opens the cooling tank internal gas discharge valve when the cooling tank internal gas detector detects that the concentration of the fuel gas in the cooling medium tank is equal to or greater than a specified value determined in advance.
Owner:YANMAR HLDG CO LTD

Vessel

A vessel including a hull, an upper deck, an accommodation structure extending above the upper deck, a propulsion system powered by ammonia as a fuel, and a tank for storing ammonia for supplying the propulsion system, wherein the tank is located aft of the accommodation structure.
Owner:FORTESCUE LTD

Ship compartment sealing device and ship

The application relates to the technical field of cabin sealing of a ship propulsion system, and provides a ship cabin sealing device and a ship, which comprises a sealing flange, a linear driving mechanism and a flange seat; the sealing flange is movably sleeved on a transmission main shaft of the ship, and the axis of the sealing flange is coincident with the axis of the transmission main shaft; one side of a sealing boss of the sealing flange facing the transmission main shaft is provided with a sealing surface, the sealing surface is used for being detachably connected with the end surface of the sealing boss; the sealing flange is connected with the moving end of the linear driving mechanism, the fixed end of the linear driving mechanism is connected with the flange seat, and the flange seat is used for being connected with the cabin wall fence of the ship; wherein the sealing flange has a first position and a second position; when the sealing surface is separated from the end surface of the sealing boss at the first position; and when the sealing surface is attached to the end surface of the sealing boss at the second position; the application conveniently realizes the sealing of the cabin, and improves the safety of the ship.
Owner:NO 719 RES INST CHINA SHIPBUILDING IND

Ship using methanol as fuel

The present invention addresses the problem of providing a ship using methanol as fuel, which does not increase the equipment cost even if a methanol discharge tank is provided. When inert gas is supplied to the internal combustion engine (1) and the methanol supply system (MSS) by the inert gas supply unit (13), the methanol discharge system stops the discharge operation of the decompression discharge mechanism. When the inert gas is not supplied to the internal combustion engine (1) and the methanol supply system (MSS) by the inert gas supply unit (13), the decompression discharge mechanism is operated to discharge the gas in the reflux chamber (15) to the methanol discharge tank (17) at a pressure equal to or less than a predetermined pressure. The number of times the methanol discharge system supplies the inert gas to the internal combustion engine (1) and the methanol supply system (MSS) by the inert gas supply unit is determined such that the amount of residual methanol remaining in the internal combustion engine (1) and the methanol supply system (MSS) is less than a predetermined value.
Owner:NAMURA SHIPBUILDING CO LTD