37results about "Waterways transport" patented technology

The invention discloses a marine energy-saving variable air volume indirect type air conditioner, and relates to the technical field of air conditioning systems, the marine energy-saving variable air volume indirect type air conditioner comprises an air conditioner assembly, the air conditioner assembly comprises an air conditioner shell, one side of the air conditioner shell is fixedly communicated with a fresh air pipeline, and an air return opening is formed in the position, close to one side, of the top of the air conditioner shell. According to the marine energy-saving variable-air-volume indirect type air conditioner, by starting a multi-stage electric push rod, a piston plate is driven to extrude a citric acid solution forwards into a return air inlet pipeline and a fresh air inlet pipeline, in the air inlet process, the citric acid solution can enter the heat exchanger body in air flow, descaling is conducted on the pipeline in the heat exchanger body, and the heat exchange efficiency is improved. Citric acid has good chelation ability and can generate chelation reaction with ions such as calcium and magnesium in incrustation to form a water-soluble complex, so that the purpose of removing the incrustation is achieved, and the citric acid has low corrosivity to stainless steel due to weak acidity.

A ship and a method are for bringing liquified gas, such as liquified carbon dioxide, CO2, from an onshore terminal for captured gas across a sea to a subsurface permanent storage reservoir. The ship has a loading line for communicating liquified gas from the onshore terminal into at least one vessel, and a processing plant. The processing plant of the ship has an injection processing module configured for injecting liquified gas into the subsurface permanent storage reservoir, wherein the injection processing module is operatively connected to the at least one vessel and an injection line provided with a connector for connecting to a flexible injection hose being in fluid communication with the subsurface permanent storage reservoir.

A device (10) for cooling a fuel in a fuel tank (12). The fuel is configured to be contained in both a liquid state and a gaseous state in the fuel tank, and vaporized prior to its consumption. The device comprises an ejector (20), a positive displacement flow path (30) configured to conduct fuel in a liquid state from the fuel tank to the ejector, a forced flow path (40) configured to conduct fuel in a gaseous state from the fuel tank to the ejector, a return flow path (50) configured to conduct a combined fuel to the fuel tank, and a consumption flow path (60) configured to conduct fuel from the fuel tank to a consumption device (15) for consumption of the fuel. The device further comprises a heat exchanger (70) configured to transfer heat from the return flow path to the consumption flow path.

A ship (1) and a method for bringing liquified gas, such as liquified carbon dioxide, CO2, from an onshore terminal (OT) for captured gas across a sea (S) to a subsurface perma-nent storage reservoir (R), the ship (1) comprising a loading line (20) for communicating liquified gas from the onshore terminal (OT) into at least one vessel (5), and a processing plant (10). The processing plant (10) of the ship comprises an injection processing module (14) configured for injecting liquified gas into the subsurface permanent storage reservoir (R); wherein the injection processing module (14) is operatively connected to the at least one vessel (5) and an injection line (142) provided with a connector for connecting to a flexible injection hose (RP) being in fluid communication with the subsurface permanent storage reservoir (R).

The invention relates to the technical field of marine energy-saving air conditioners, in particular to a marine energy-saving air conditioner easy to maintain, which comprises a cabinet body, a base is fixed at the bottom of the cabinet body, an extension block is fixed on the surface of the base, and an insertion hole is formed in the surface of the extension block; a through groove is formed in the surface of the cabinet door, a movable frame is inserted into the through groove, and a containing groove is formed in the surface of the movable frame; the air conditioner outdoor unit maintenance device has the beneficial effects that when an air conditioner outdoor unit needs to be maintained, a cabinet door is opened, an inserting rod is inserted into an inserting hole in the surface of an extending block, the cabinet door is stabilized, a baffle in a cabinet body does not abut against the surface of a moving frame any more, a first spring abuts against an extending plate, the moving frame moves in a through groove, and the moving frame extends out of the side close to the cabinet body; and a containing groove is formed in the surface of the moving frame, a through hole is formed in the bottom of the containing groove, rainwater can flow out of the through hole, and the containing groove can contain parts when the air conditioner is maintained, so that the parts cannot move along with shaking of the ship body.

A system, method, and support vessel for use in the system are described. The system, in various embodiments, may include a carrier vessel for transporting a fluid hydrocarbon cargo across an ocean, the hydrocarbon cargo being loaded into at least one cargo tank of the vessel, the support vessel, a VOC capture means on board the support vessel for capturing volatile organic compounds (VOCs), the VOCs coming from the cargo tanks, in use, upon loading of the cargo tanks, and at least one hose extending between the carrier vessel and the support vessel for transferring gases including volatile organic compounds (VOCs) from the cargo tanks of the carrier vessel to the VOC capture means on board the support vessel.

A catamaran lifting apparatus is disclosed for lifting objects in a marine environment. The apparatus includes first and second vessels that are spaced apart during use. A first frame spans between the vessels. A second frame spans between the vessels. The frames are spaced apart and connected to the vessels in a configuration that spaces the vessels apart. The first frame connects to the first vessel with a universal joint and to the second vessel with a hinged connection. The second frame connects to the second vessel with a universal joint and to the first vessel with a hinged or pinned connection. Each of the frames provides a space under the frame and in between the barges that enables a package to be lifted and / or a marine vessel to be positioned in between the barges and under the frames. In this fashion, an object that has been salvaged from the seabed can be placed upon the marine vessel that is positioned in between the barges and under the frames.

The present invention discloses an intelligent simulation system and modeling method for jacket towing operation, which is applied to the technical fields of marine engineering and virtual simulation. The system includes a distributed collaborative simulation subsystem providing communication interfaces for each subsystem, a general management and evaluation subsystem generating and issuing simulation subjects, an operation control simulation subsystem generating operation commands, a motion simulation subsystem receiving subject parameters and operation commands, performing real-time simulation of the motion states of the jacket, towing vessel and towing cable, and transmitting the same to the visual simulation subsystem, and a visual simulation subsystem performing three-dimensional display of the real-time simulation of the motion states of the jacket, towing vessel and towing cable. The present invention has human-computer interaction properties, can be used for joint training and skill training for marine towing operators, and can also realize installation simulation preview and program verification for jacket towing, which can effectively ensure the safety of operators and equipment, reduce marine work risks, and improve work efficiency, and has obvious economic and social benefits.

The invention discloses a marine positive-pressure energy-saving anti-explosion air conditioner, and relates to the technical field of air conditioners, the marine positive-pressure energy-saving anti-explosion air conditioner comprises a refrigerating machine and a pressurizer, the pressurizer is used for pressurizing external air and then feeding the external air into a sealed cabin of the refrigerating machine, the filter screen is used for filtering impurities, and the refrigerating machine is fixedly installed in the filter screen. The evaporator is used for cooling, the air guide plate is fixedly installed in the refrigerating machine and used for guiding blown air, and the air guide plate is rotationally installed in the refrigerating machine; the cross-flow fan blade is used for conveying airflow, the cleaning device is rotationally installed in the refrigerator and used for cleaning the cross-flow fan blade, the cleaning device is arranged in the refrigerator, a brush is made to automatically clean the surface of the cross-flow fan blade through rotation of an air guide plate when an air conditioner runs, and air volume attenuation caused by dust accumulation is avoided. The overall energy efficiency ratio of the refrigerating system can be improved by cleaning the surfaces of the cross-flow fan blades, cleaning during operation is achieved through mechanical transmission, and the system is particularly suitable for the long-term continuous operation environment of ships.

A computing apparatus that is integrated within a flotation module, the system obtaining the energy required to power its computing operations from waves that travel across the surface of a body of water on which the flotation module sets. Additionally, the self-powered computing apparatus employs novel designs to utilize its close proximity to the body of water and / or to strong ocean winds to significantly lower the cost and complexity of cooling their computing circuits.

An intelligent simulation system of a jacket towing operation and a modeling method, which are applied to the technical fields of marine engineering and virtual simulation. The intelligent simulation

The application discloses a marine positive pressure energy-saving explosion-proof air conditioner, and relates to the technical field of air conditioners. The marine positive pressure energy-saving explosion-proof air conditioner comprises a refrigerating machine and a pressurizer. The pressurizer is used for sending the pressurized external air into the sealed cabin of the refrigerating machine. The filter screen is used for filtering impurities and is fixedly installed in the refrigerating machine. The evaporator is used for cooling and is fixedly installed in the refrigerating machine. The air deflector is used for guiding the blown air and is rotatably installed in the refrigerating machine. The through-flow fan blade is used for conveying air flow and is rotatably installed in the refrigerating machine. The cleaning device is used for cleaning the through-flow fan blade and is arranged in the refrigerating machine. The brush is automatically cleaned on the surface of the through-flow fan blade during the operation of the air conditioner by rotating the air deflector, so that the air volume attenuation caused by dust accumulation is avoided. The cleaning of the surface of the through-flow fan blade can improve the overall energy efficiency ratio of the refrigerating system. The cleaning during operation is realized by mechanical transmission, and the marine positive pressure energy-saving explosion-proof air conditioner is especially suitable for the long-term continuous operation environment of ships.

The utility model discloses a compact fast ship fan coil which comprises a coil shell, a partition plate is fixedly installed on the inner wall of one side of the coil shell, and a first air inlet is formed in the inner wall of the partition plate. The fan coils are arranged to be in an S shape, the fan coils are arranged to be in four layers, and the upper and lower adjacent fan coils are connected through arc-shaped pipes; the fan assembly comprises a double-shaft servo motor, output shafts on the two sides of the double-shaft servo motor are both fixedly connected with wind wheels, the fan coil is of a 10-mm small pipe diameter and fin structure and is matched with the double-side wind wheels driven by the double-shaft servo motor, the heat exchange efficiency is effectively improved, and the unit air volume energy consumption is reduced. Meanwhile, turbulence loss is reduced through the flow guide design of the arc-shaped wind wheel blades and the fan cover, and dual optimization of energy conservation and silence is achieved.

The invention relates to the technical field of central air conditioners, and discloses an energy-saving central air conditioning system which comprises a base and a pipeline and further comprises a driving assembly, a cleaning assembly and a heat exchange assembly, the driving assembly is installed in the base, the cleaning assembly is installed outside the pipeline, and the heat exchange assembly is installed in the pipeline. When the driving assembly is started, the pipeline is driven to conduct heat exchange with the interior of the cabin, the two blades are driven to rotate under the acting force of water flow or the convection acting force between movement of the ship body and water, and the two blades drive the ventilation fan to rotate through the bevel gear set. The three heat exchange plates arranged on the inner wall of the pipeline at equal intervals are matched to exchange heat with flowing water, the cooling effect in the pipeline is achieved, low-temperature air in the pipeline enters the cabin along with ventilation, cooling and refrigeration in the cabin are achieved, ventilation and refrigeration in the cabin can be achieved without any power equipment, and energy conservation and environment protection are achieved.

The utility model provides a full air return cargo hold dehumidification system which comprises a control panel, a humidity sensor, an air return branch pipe, a remote control valve, an air return header pipe, an air return cooler, a dehumidification assembly, a dry air header pipe and a dry air branch pipe, and the control panel is connected with the humidity sensor, the remote control valve, the air return cooler and the dehumidification assembly. The humidity sensors are arranged in each cargo hold, the air return branch pipes are communicated with one side of the corresponding cargo hold, all the air return branch pipes are communicated with the air return header pipe, the air return header pipe is communicated with an air inlet of the air return cooler, an air outlet of the air return cooler is communicated with an air inlet of the dehumidification assembly, and an air outlet of the dehumidification assembly is communicated with the dry air header pipe. The dry air main pipe is communicated with all the dry air branch pipes, the dry air branch pipes are communicated with the other side of the corresponding cargo hold, and remote control valves are arranged on the air return branch pipes and the dry air branch pipes. The cargo hold dehumidification system can efficiently and stably dehumidify the cargo hold.

The invention provides an LNG (liquefied natural gas) ship isolation void cabin cold energy recycling method which is realized based on the following structure: the structure comprises a first isolation void cabin, a second isolation void cabin, a mechanical chamber and a carbon capture cabin; ethylene glycol coil pipes are arranged in the upper area of the first isolation void cabin and the upper area of the second isolation void cabin; a first stop valve, a second stop valve, a third stop valve, a fourth stop valve, an ethylene glycol pump and a second heat exchanger are arranged in the mechanical chamber; a desorption tower and a first heat exchanger are arranged in the carbon capture cabin; according to the method, an ethylene glycol circulating pipeline is arranged, so that an ethylene glycol solution circulates among all parts, and cold energy recycling is achieved.

The invention relates to a floating domestic effluent treatment plant, including at least one treatment unit (2) comprising at least a first aerobic treatment tank (3) built onto a main floating platform (6) so as to extend at least partly below the waterline (7) of the platform, in order, under the effect of buoyancy, to reduce the weight supported by the platform due to this aerobic treatment tank (3), the tank being provided with upstream connection means (4) in order to be supplied with effluent to be treated and with downstream connection means (5) for discharging digested effluent. The treatment unit (2) comprises at least one buffer storage tank (11) for effluent to be treated, connected to the upstream connection means (4) of the aerobic treatment tank (3) and mounted on the main floating platform (6) or a secondary floating platform (6A) in such a way as to extend largely below the waterline (7); (7A) of the latter, this buffer storage tank (11) being defined as having a variable volume and consisting of a liner (13). The invention also relates to a method for managing the operation of a treatment plant.

An apparatus for air-conditioning of watercraft and the like comprising: an electronically controlled variable- r.p.m. compressor, a main gas / water condenser (5), at least one environmental heat-exchanger (3) with an electronically controlled fan (14), at least one electronically controlled expansion valve (8), and at least one first electronic control unit (4) programmed for calculating continuously a temperature deviation detected (DeltaT = T_ad - T_a), and as a function of said temperature deviation regulating in combination, the r.p.m. of the compressor (1), opening of the flow valve (8), and the r.p.m. of the fan of the heat- exchanger (3).

The present invention relates to systems and methods for management of ballast water of a vessel during voyage, the method comprising: discharging ballast water from the vessel to the surrounding waters via a treatment system configured for treatment of ballast water; and loading ballast water from the surrounding waters to the vessel.

This utility model discloses an electromagnetic induction heating duct structure for special-coated ship compartments, including an air supply duct with an electromagnetic induction heating coil mounted on it. The air supply duct is made of a magnetically conductive material and is placed in a modular compartment. The modular compartment also includes a cooling system for the air supply duct body. An airflow equalization device is provided on the inner wall of the air supply duct. This utility model is based on the principle of electromagnetic induction, resulting in high heating efficiency. A high-frequency current passes through the coil to generate an alternating magnetic field, which excites free electrons within the metal wall of the duct to generate eddy currents. These eddy currents overcome resistance and convert work into heat energy, directly heating the duct wall. The heat energy is transferred to the airflow within the duct through heat conduction, avoiding the inefficient conversion path of traditional electric heating tubes: "electrical energy → radiant energy → air heat energy". Furthermore, it adopts a modular design with high integration. The device is integrated into a box-type modular structure, with the air supply duct and blower housed within the box module. The structure is compact, facilitating installation and maintenance.

The present invention relates to a method (1) and a device (10) for adjusting flow properties of a propeller (103) of a propulsion system (100) for watercraft (1000), in particular for boats and ships, depending on the operating state, comprising the steps of determining the operating state (2) of the propulsion system (100), wherein in the propulsion system (100) either a thrust state or a generator state, in particular a hydrogeneration state for generating energy by hydrogeneration, exists and adjusting the flow properties (3) of the propeller (103) based on the determined operating state.

The invention relates to a device for generating power, comprising an air-towed vessel (10) as well as at least one water current turbine (20) connected to the vessel (20) by at least one electric cable (24) and at least one mechanical connection cable (22) such that it can be towed by the vessel (10). According to the invention, the water current turbine (20) is spaced apart from the vessel (10), which makes it possible to increase its diameter and to reduce the interactions between the water current turbine (20) and the vessel (10). Moreover, it is possible to provide a plurality of water current turbines (20) towed by the same vessel (10).

A catamaran lifting apparatus is disclosed for lifting objects in a marine environment. The apparatus includes first and second vessels that are spaced apart during use. A first frame spans between the vessels. A second frame spans between the vessels. The frames arc spaced apart and connected to the vessels in a configuration that spaces the vessels apart. The first frame connects to the first vessel with a universal joint and to the second vessel with a hinged connection. The second frame connects to the second vessel with a universal joint and to the first vessel with a hinged or pinned connection. Each of the frames provides a space under the frame and in between the barges that enables a package to be lifted and / or a marine vessel to be positioned in between the barges and under the frames. In this fashion, an object that has been salvaged from the seabed can be placed upon the marine vessel that is positioned in between the barges and under the frames.

A multifunctional ship for the collection and recycling of ocean debris and the system thereof may include a hull; a detection device provided on the hull to detect ocean debris floating on the sea or deposited on the seabed; a collection device installed on the hull to collect the ocean debris detected by the detection device; a sorting device installed on the hull to sort the ocean debris collected by the collection device; a compressing device installed on the hull to compress the sorted ocean debris to compress and remove moisture and reduce the volume; a waste plastic recycling device installed on the hull to produce recycled oil by thermally decomposing the waste plastic compressed in the compressing device; a storage tank installed at the bottom of the hull to store the recycled oil produced; and a purifier for purifying wastewater generated in the process of producing recycled oil.

The utility model discloses marine ceiling installation type split air conditioning equipment, and relates to the technical field of air conditioners, the marine ceiling installation type split air conditioning equipment comprises a self-heat-dissipation flow channel angle adjusting mechanism, the self-heat-dissipation flow channel angle adjusting mechanism comprises a support frame, the top of the support frame is fixedly connected with an installation ring, the top of the installation ring is fixedly connected with a damper, and the damper is fixedly connected with a fan. The top of the damper is fixedly connected with a rotating seat; provided is a marine air conditioner outdoor unit. Through the arrangement of the self-heat-dissipation flow channel angle adjusting mechanism, when the ship runs, the angle of the self-heat-dissipation flow channel can be adjusted according to the running direction and the wind direction of the ship, natural wind is guided by the self-heat-dissipation flow channel to dissipate heat of a condensation pipe on the surface of the condenser, when the ship stops running, heat dissipation is conducted through the active heat dissipation fan, and the heat dissipation efficiency is improved. Therefore, the running time of the active cooling fan is shortened, the energy consumption is remarkably reduced, the energy supply pressure of the small ship is relieved, and the active cooling fan is more convenient to use.

A computing apparatus that is integrated within a flotation module, the system obtaining the energy required to power its computing operations from waves that travel across the surface of a body of water on which the flotation module sets. Additionally, the self-powered computing apparatus employs novel designs to utilize its close proximity to the body of water and / or to strong ocean winds to significantly lower the cost and complexity of cooling their computing circuits.

A device for producing energy includes an air-towed vessel, and at least one water current turbine linked to the vessel by at least one electric cable. The water current turbine is linked to the vessel by at least one mechanical linking cable to be towed by the vessel. The water current turbine is spaced apart from the vessel, which makes it possible to increase the diameter of the turbine and to reduce the interactions between the turbine and the vessel. Moreover, it is then possible to provide a plurality of water current turbines towed by the same vessel.

A sea water intake riser system (100; 100') for a floating production unit (1), comprising at least two caissons (120), wherein the height of each caisson is substantially equal to a vertical height (L) of a hull (5) of the floating production unit (1) and extends, when mounted to the hull (5) of the floating production unit, from a predetermined minimum distance (126) from the bottom side of the hull up to at least the water-line (WL) during use, each caisson (124) comprising an open top side and a through-opening in a bottom side (123); a lift pump (140) arranged inside each of the caissons (120) and having an inlet at a vertical distance (141) with a predetermined minimum submergence (d) and adapted for pumping cold water from the caisson (120) up to the floating production unit (1) for use as cooling medium by production equipment (10) of the floating production unit, and a sump tank (125), attached to the bottom side (123) of each of the caissons such that each through-opening thereof is in fluid communication with a volume inside the sump tank (125), the sump tank being located between the bottom side of the hull and the at least two caissons (120) when mounted and having a through-opening (155) in a bottom side (128) and being connectable to an upper end of a riser pipe (150).

The invention relates to the technical field of energy-saving air conditioners, in particular to a filtering device for an energy-saving air conditioner of a ship fresh air system and a using method.The filtering device comprises a ship fresh air conditioner body, a mounting frame is fixedly connected to the lower portion of the interior of the ship fresh air conditioner body, and a second mounting frame is movably inserted into the mounting frame; and a filter screen I is fixedly connected to the inner wall of the mounting frame II. The rope is tightened through rotation of the wire wheel, so that the second filter screen is stretched, the number of layers of the filter screen is increased, the situation that dust in air cannot be completely intercepted only through the first filter screen when the air quality is poor is avoided, and correspondingly, the filter precision can be automatically adjusted according to the air quality through movement of the second filter screen; when it is detected that the concentration of particulate matter in air is high, the filtering device can automatically increase the number of the filtering layers so as to improve the filtering effect, and conversely, when the air quality is good, the number of the filtering layers can be properly reduced so as to reduce air resistance and reduce energy consumption.

The present invention discloses a three-defense integrated environmental control subsystem, including a booster fan, an exhaust fan, a first filter, a second filter, a third filter, an air-to-air heat exchanger, a terminal purification module, a gas filter module, a three-way regulating valve, a first electric air valve, a second electric air valve, a third electric air valve and a fourth electric air valve, etc., and through the design of streamlined paths, four subsystems are formed, namely, subsystem I, subsystem II, subsystem III and subsystem IV, which correspond to four functional channels of "external circulation + boosting + purification", "external circulation + boosting + gas filtering", "internal circulation + purification" and "exhaust gas emission + back pressure", respectively. At the same time, according to environmental indicators such as cabin air pressure and CO2 concentration, the work of each subsystem is coordinated. The present invention integrates the functions of boosting, gas filtering, purification, fresh air and energy recovery into a subsystem, which has a compact structure and realizes integration, can effectively protect the safety of the occupants, and provides a solution for new security equipment.