393results about "Hull interior subdivision" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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 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.

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.

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.

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.

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.

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.

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.

A cargo mechanical chamber of a large LNG (liquefied natural gas) ship is characterized in that a watertight bulkhead divides the cargo mechanical chamber into a motor room and a liquid cargo equipment room, the motor room is a safe area, and the liquid cargo equipment room is a dangerous area. A part of space in the motor room is divided into an upper layer area and a lower layer area by the structural platform, and two mechanical air supply fans and a top-open mushroom type ventilator are fixed to the two ends of the top of the motor room respectively. The liquid cargo equipment room is internally provided with a cryogenic liquid cargo reprocessing device, a high-load compressor and a low-load compressor, the top of the liquid cargo equipment room is provided with a crane, two mechanical exhaust fans and three top-open bacteria type ventilators, the bottoms of the top-open bacteria type ventilators are connected with structural air ducts, and the structural air ducts extend downwards into the liquid cargo equipment room. According to the cargo mechanical room structure of the LNG ship, the utilization rate of a room is greatly increased, the site construction difficulty is reduced, and therefore the ship building cost is reduced, and a liquid cargo system is more reasonable in layout and higher in safety.

This invention discloses a support and reinforcement device for independent cargo holds, relating to the field of ship cargo hold technology. It includes a mounting base plate fixedly connected to the ship, two sliding brackets each with a cargo cover plate fixed to them, and a downward braking assembly for vertically locking a vertical sleeve fixed to a support column. A reinforcing arc plate is slidably mounted on the side of each cargo cover plate facing the mounting base plate. This invention uses two cargo cover plates and a support sleeve to form a cargo storage space. In extreme situations such as deck collapse, the protective top frame, supported by the support column and vertical sleeve, effectively protects the cargo cover plates. The drive slider in the retraction transmission assembly pushes against the tilting frame, causing the two tilting frames to slide towards each other and pull the two cargo cover plates together. This space contraction reduces the internal volume, significantly improving the pressure resistance of the cargo cover plates and ensuring effective protection of the cargo.

The invention belongs to the technical field of ship construction, and relates to a bulk cargo ship with an embedded fuel tank. A first transverse bulkhead is arranged in any original cargo hold of the bulk cargo ship with the embedded fuel tank so as to divide the original cargo hold into a new cargo hold and a fuel hold, and the first transverse bulkhead can be adjusted in the length direction of the bulk cargo ship so as to adjust the relative space size of the new cargo hold and the fuel hold. According to the bulk cargo ship with the embedded fuel tank, any original cargo hold is divided into the new cargo hold and the fuel hold, that is, only part of space of one original cargo hold of the bulk cargo ship is occupied to serve as the fuel hold, and it is guaranteed that the capacity of the whole cargo hold is not changed greatly. Moreover, the first transverse bulkhead can be adjusted in the length direction of the bulk cargo ship so as to flexibly adjust the relative space size of the new cargo cabin and the fuel cabin according to the actual operation route of the bulk cargo ship, so that the space of the fuel cabin can be matched with the required fuel capacity, namely, the storage capacity of the fuel and the cabin capacity of the cargo cabin are considered at the same time; and the freight economy of the bulk cargo ship is effectively improved.

The present invention discloses a methanol fuel storage tank layout for a dual-fuel ship, comprising a methanol fuel storage tank and an isolation void tank; the methanol fuel storage tank is formed by the outer hull plating and the fuel tank bulkhead; an isolation tank bulkhead is provided on the outer side of the fuel tank bulkhead, and the isolation void tank is provided between the fuel tank bulkhead and the isolation tank bulkhead; a passage tank is provided between the main deck and the isolation tank bulkhead; a plurality of passage platforms are provided in the passage tank; a plurality of structural openings are provided on the passage platforms; a main deck hatch is provided on the main deck; a ladder for crew members to pass through is provided in the passage tank; a fuel tank hatchhead is provided on the fuel tank bulkhead; a methanol fuel delivery pump is provided in the methanol fuel storage tank, and the top of the methanol fuel delivery pump is located above the fuel tank bulkhead. The provision of the passage tank improves space utilization and enables rapid lifting of the methanol fuel delivery pump. The layout scheme of the present invention can be well applied to bulk carriers and other ship types.

To provide an alternative fuel vessel capable of reducing inboard operation arising with processing of drain with alternative fuel mixed in.SOLUTION: An alternative fuel vessel 1 includes, for example as shown in figure 2: a first recovery tank 13 for recovering drain discharged from a fuel engine (an alternative fuel engine 4 and a power generator 5) when using natural fossil fuel; and a second recovery tank 14 for recovering drain discharged from the fuel engine (the alternative fuel engine 4 and the power generator 5) when using the alternative fuel.SELECTED DRAWING: Figure 2

By reducing the number of hazardous areas where electrical equipment cannot be placed, the flexibility in placing electrical equipment is increased. [Solution] A fuel cell ship is equipped with a fuel cell that generates electricity through an electrochemical reaction of fuel, and supplies power from the fuel cell to the ship's equipment. The fuel cell ship is equipped with a fuel tank for storing fuel. A fuel filling port for filling the fuel tank is provided on the outer wall of the cabin.

The utility model discloses a marine engine transport ship, which relates to the technical field of shipbuilding industry and comprises a ship body and a hatch cover, the ship body comprises a head section, a cargo compartment section and a tail section which are integrally connected in sequence, and the cargo compartment section is provided with an engine placing cavity with a top opening. The engine containing cavity is higher than a marine engine needing to be transported, and the hatch cover is used for being in rigid sealing connection with the top of the cargo hold section so as to open or seal a top opening of the engine containing cavity. The rear enclosure bulkhead comprises a fixed enclosure bulkhead and a movable enclosure bulkhead, the bottom of the movable enclosure bulkhead is hinged to the top of the fixed enclosure bulkhead, and the movable enclosure bulkhead can be overturned to the horizontal position in the direction away from the engine containing cavity and can be overturned to make contact with the fixed enclosure bulkhead, the left enclosure bulkhead, the right enclosure bulkhead and the hatch cover and be in sealed connection with the fixed enclosure bulkhead, the left enclosure bulkhead and the right enclosure bulkhead; weather tight closing of the warehouse can be achieved, the engine transportation requirement is met, loading and unloading are convenient, and the hoisting requirement of a shipyard is effectively met.

The invention discloses a construction method of an integrated structure of a ship central control room and a fuel preparation room. The construction method comprises the following steps: firstly, constructing a bottom deck section of the fuel preparation room; the bottom deck section of the fuel preparation room serves as a foundation of the whole integrated structure, and a stable supporting platform is provided for follow-up building work. And then a fuel preparation room section is built, and the fuel preparation room section is arranged on a deck section at the bottom of the fuel preparation room. Next, a central control room section is built, and the built central control room section is arranged on the built fuel preparation room section, so that an integrated structure of the ship central control room and the fuel preparation room is formed. And finally, the integrated structure of the ship central control room and the fuel preparation room is hoisted to the ship. Through the construction method of segmented construction, step-by-step assembly and final integral hoisting, the problems that the construction period of the central control room and the fuel preparation room is long and the construction precision is poor are effectively solved, the construction efficiency is improved, and the construction cost is reduced.

Disclosed in the present invention is a hull form of a shallow-draft anti-rolling transport vessel. The hull form comprises a stern section, a cargo hold section and a bow section which are connected in sequence, wherein the length of the stern section does not exceed 30% of the overall length of a vessel; the length of the bow section does not exceed 25% of the overall length of the vessel; the stern section uses a multi-hull structure; the cargo hold section uses a monohull structure; the bottom of the cargo hold section is of a double-bottom structure; the bow section uses a catamaran structure; side flare structures are arranged at both sides of the stern section and the bow section; the stern section, the cargo hold section and the bow section share a main deck; and the main deck is a flat grillage. In the present invention, by means of reducing the draft, a wetted surface area and a wave height during high-speed navigation are reduced, thereby greatly reducing wave-making resistance; and the stability and seakeeping performance of the vessel under severe sea conditions are also taken into account.

The invention belongs to the technical field of dredging engineering equipment, and discloses an assembly type large backhoe dredger which comprises a dredger body of a modular assembly structure. An excavator is arranged at the tail of the ship body, and a ship anchor structure is fixedly installed at the position, located on one side of the excavator, of the tail of the ship body; the ship body comprises a tail bin water carrying tank, a water ballast tank, an auxiliary engine room, a void tank, a fore peak tank, a domestic sewage tank, a dirty oil water tank, a fuel oil tank, a transverse connecting structure and a longitudinal connecting structure. The ship body is sequentially provided with a tail bin water carrying tank, a water ballast tank, an auxiliary cabin, a void tank and a fore peak tank in the direction away from the excavator. Through the innovation of modular assembly design, structural layout optimization, intelligent cleaning and the like, the major defects of a traditional dredger are successfully overcome; and remarkable progress is brought in the aspects of manufacturing cost, transportation efficiency, deployment speed, operation stability, maintenance convenience and environmental adaptability.

The invention provides a ship cabin protection device and a ship. The protection device comprises a plurality of connecting shells, the connecting shells are evenly arranged on a hull structure in the vertical direction, the two ends of each connecting shell in the width direction are each provided with a fixing support, and each connecting shell is connected with the hull structure through the two fixing supports; the arrangement area of the connecting shells is determined according to the ship type. The ship comprises a plurality of cabins, and the protection devices are arranged on a ship body structure at the four corners outside each cabin. According to the method, the heeling rate when the ship is damaged is reduced, the overturning risk is reduced, the safety of the ship is improved, ship design, structural weight reduction, transportation economy, safety and other aspects are optimized, and application and popularization are facilitated.