41results about "Power plants using fuel cells" patented technology

The invention relates to the field of hydrogen fuel cells, and discloses a hydrogen energy unmanned ship which comprises a ship body, a hydrogen discharging electromagnetic valve is fixedly connected to the interior of the ship body, a solid hydrogen storage bottle is fixedly connected to the interior of the ship body, a hydrogen inlet electromagnetic valve is arranged on one side of the outer wall of the solid hydrogen storage bottle, and an auxiliary lithium battery is fixedly connected to the interior of the ship body. A fuel cell system is arranged on one side of the outer wall of the auxiliary lithium battery, a one-way conduction diode is fixedly connected to the interior of the ship body, a DC-DC boosting system is arranged on one side of the outer wall of the one-way conduction diode, and the lower surface of the DC-DC boosting system is fixedly connected to the upper surface of the ship body. Through cooperative work of the fuel cell system and the lithium battery energy storage system, the propelling system can obtain continuous and stable power supply, and therefore the operation efficiency of the unmanned ship and the reliability of a power system are improved; the unmanned ship can carry out accurate autonomous navigation and remote control, and the operation flexibility and safety are improved.

The application provides a control method and device for a hydrogen energy ship hybrid power system, and relates to the technical field of ship hybrid power systems.The method comprises the following steps: according to the control state of the whole ship power and the states of a battery management subsystem BMS, a hydrogen supply management subsystem HMS and a fuel cell control subsystem FCS, the battery management subsystem BMS and the fuel cell control subsystem FCS are sequentially controlled to enter a running state.The control timing of the battery management subsystem BMS and the fuel cell control subsystem FCS can be corresponded, the situation that the fuel cell control subsystem FCS responds too early during the whole ship power-on process can be avoided to a certain extent, the safety of the hydrogen energy ship hybrid power system is improved, and the service life is prolonged.

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 invention belongs to the technical field of sightseeing boats, and particularly relates to a high-safety clean energy sightseeing boat which comprises a boat body, a main deck and a watertight transverse bulkhead, and the main deck and the watertight transverse bulkhead are arranged on the boat body. A plurality of seats are arranged on the ship body, a driving device is arranged at the tail of the ship body and connected with clean energy located at the tail of the ship body, and a safety protection device is arranged on the side, facing the seats, of the clean energy. The safety protection device comprises at least two anchor type fixing points fixed to the ship body and an arresting cable, and multiple layers of flow guide type protection structures are installed on the anchor type fixing points. The clean energy sightseeing boat with the high safety has the effects that a protection device is arranged, and casualties of people on the boat are easily caused by explosion of natural gas.

A system for controlling a vessel, the system comprising a plurality of devices, the plurality of devices comprising a plurality of solid oxide fuel cells (SOFCs); the system also includes at least one processor that calculates a device score value for the device; the system further includes a control unit connected to the device, and the control unit is configured to calculate an efficiency score value based on the device score value, the efficiency score value defining an efficiency of the system; the system is further configured to: calculate a capacity of the system based on the device and state; calculating a capacity margin index representing the capacity of the system equipment according to preset scores corresponding to various operation modes, and calculating the efficiency value and the capacity value; the status from the fuel cell includes a health characterization index.

This invention relates to the field of marine propulsion technology and discloses a marine hydrogen power generation device and its safety monitoring method. The marine hydrogen power generation device includes: a modular hull and a safety monitoring module; the safety monitoring module includes at least one gas detection unit and a gas pretreatment unit disposed at the sampling front end of the gas detection unit; the gas pretreatment unit includes: a primary purification component, a secondary purification component, a dust collection and filtering component, a vibration sensing component, a differential pressure sensing component, and a control terminal; the primary purification component includes multiple first flexible permeable bladders encapsulating alumina adsorbent. This invention, by encapsulating the adsorbent in flexible bladders, suppresses the pulverization of the adsorbent caused by continuous ship vibration; by adding a dedicated dust collection and filtering component and differential pressure monitoring, a dual barrier of interception and sensing of dust migration is constructed, thereby solving the hidden safety hazards of gas detectors caused by dust pollution.

The invention relates to the technical field of ship power, and discloses a marine hydrogen energy power generation device and a safety monitoring method thereof. The marine hydrogen energy power generation device comprises a modular cabin body and a safety monitoring module, the safety monitoring module comprises at least one gas detection unit and a gas pretreatment unit arranged at the sampling front end of the gas detection unit; the gas pretreatment unit comprises a primary purification part, a secondary purification part, a dust capturing and filtering part, a vibration sensing part, a pressure difference sensing part and a control end; the primary purification part comprises a plurality of first flexible breathable bag bodies in which aluminum oxide adsorbents are encapsulated; according to the invention, the adsorbent is flexibly encapsulated, so that the pulverization of the adsorbent caused by continuous vibration of a ship is inhibited; by additionally arranging the special dust capturing and filtering part and the differential pressure monitoring part, a double barrier for intercepting and sensing dust migration is constructed, so that the hidden safety hazard of the gas detector caused by dust pollution is solved.

The application discloses a kind of hydrogen-electric energy road network combined scheduling optimization method, device and system for fuel cell ship, comprising the following steps: identifying the working condition parameter in the process of ship running, generating working condition label, determining the value range and constraint condition of variable under current working condition, for dynamically switching the scheduling model boundary condition and strategy selection in hydrogen system of fuel cell;The basic identification of the working condition parameter in the process of ship running, the influence of coupling external speed and load and establishing steady-state tidal flow relationship;Based on the working condition parameter in the process of ship running identified, the prediction of load in future time of ship is carried out and the determination of optimal strategy of ship in current state is carried out;The scheduling optimal model of the least hydrogen consumption of ship under different operating conditions is constructed, the scheduling optimal model is solved, and the output power of the hydrogen system and the power system of the ship is obtained.

[Problem] To provide a fuel cell ship capable of minimizing damage when a storage battery explodes for some reason. [Solution] A fuel cell ship includes a storage battery compartment installed with a storage battery that supplies, to a propulsion device, electric power different from electric power by a fuel cell. The storage battery compartment is provided between a deck and a ship bottom portion of a hull.

The invention discloses a marine online hydrogen production hybrid power system and a control method. The system comprises an aluminum hydrolysis online hydrogen production system, a hydrogen storage system, a hydrogen fuel cell system, a storage battery pack, a DC / DC converter, a propulsion system, a life load and a whole ship energy management and control system. The marine on-line hydrogen production system is used for continuously providing hydrogen for the fuel cell as fuel, and meanwhile, surplus energy of the fuel cell system is used for charging the storage battery pack, so that the problem of insufficient endurance of the ship in the sailing process is avoided, and the problem of overweight caused by the fact that the ship carries hydrogen or a large number of battery packs is solved. By making an energy management strategy and sequentially adjusting the output power of the storage battery pack, the gas supply rate of the hydrogen cylinder and the hydrogen production rate of the online hydrogen production system, the fuel cell system outputs stably and operates in the most efficient output power area as much as possible, and the service life of the fuel cell is prolonged.

To improve a degree of freedom in installment of electrical equipment by narrowing down danger spots incapable of having the electrical equipment installed.SOLUTION: A fuel cell vessel is provided with a fuel cell carrying out power generation by electrochemical reaction of fuel to provide electrical power to inboard equipment from the fuel cell. The fuel cell vessel includes a fuel cell zone and a tank zone. A fuel filling opening is provided closer to the tank zone side than the fuel cell zone as well as being closer to the fuel cell zone side than the tank zone.SELECTED DRAWING: Figure 3

An electric marine propulsion system includes a power storage system comprising at least one marine battery, an electric marine drive powered by the power storage system, and a control system. The control system is configured to identify at least one environmental vector describing a magnitude and a direction of at least one environmental force impacting a marine vessel, and then calculate a resultant vector based on the at least one environmental vector. A nominal range to empty is then determined based on a charge level of the power storage system, and the system determines an eccentric range based on the resultant vector and the nominal range to empty, wherein the eccentric range represents a range to empty in a plurality of directions around the marine vessel. An eccentric range display is generated on a display device based on the eccentric range.

A ship comprising accommodation facilities having a first power demand, a propulsion system having a second power demand, and a power plant comprising: * a first high-temperature fuel cell unit having a first rated power corresponding to the first power demand, * a second high-temperature fuel cell unit having a second rated power corresponding to the second power demand, * a primary heating / cooling circuit comprising a non-reacting heating / cooling fluid and a flow control means controlling flow thereof, * a controller adapted to control reactant supply to the first fuel cell unit, reactant supply to the second fuel cell unit and to control the flow control means, wherein the controller is adapted to operate the power plant in a first operating mode in which the first fuel cell unit is operated at the first rated power, no reactants are supplied to the second fuel cell unit and the primary heating / cooling circuit transfers heat from the first fuel cell unit to the second fuel cell unit.

To provide a power generating system that can reduce the risk of released fuel gas igniting due to electrical equipment in an installation area of a cooling medium tank when fuel gas leaking from a fuel cell enters the cooling medium tank and is released from a gas release port of a gas release piping inside the cooling medium tank.SOLUTION: A power generating system includes a fuel cell that generates power through an electrochemical reaction of fuel, and a cooling system that cools the fuel cell. The cooling system includes a cooling medium tank that contains a cooling medium, and a gas release pipe inside the cooling tank that is connected to the cooling medium tank. The power generating system includes a cooling medium tank installation section in which the cooling medium tank is installed. A gas release port of the gas release pipe inside the cooling tank is located above the electrical equipment in the cooling medium tank installation section.SELECTED DRAWING: Figure 2

An air supply device (100) for a ship is described. The air supply device (100) includes a fuel cell (110) and an air lubrication device (120) for reducing ship drag. The exhaust outlet (111) of the fuel cell (110) is connected to the air lubrication device (120) via an exhaust line (112) for supplying exhaust gas to the air lubrication device (120). Furthermore, a ship (200) including the air supply device (100) according to any embodiment described herein and a method for supplying air to the ship's air lubrication device (120) are described.

The invention discloses a methanol-hydrogen-electricity multi-energy ship propulsion system which comprises a storage unit, an energy device and an energy management control device.On the basis of a traditional methanol-hydrogen-electricity hybrid topology, in combination with the foreseeable operation characteristic of the whole voyage of a ship, the voyage is managed in a segmented mode, and the energy management control device is used for controlling the energy management of the ship; the method comprises the following steps of: respectively setting a hydrogen storage capacity target interval and a charge state target interval in each leg, enabling power distribution to be constrained by a short-time propulsion demand and port arrival residual energy at the same time, and better fitting the actual working conditions of coastal and inland river routes, and meanwhile, performing unified modeling on the hydrogen storage capacity and the charge state under a discrete time step length, so as to improve the power distribution efficiency. Power tracks of the methanol-hydrogen power generation unit, the engine power generation unit and the power battery are solved by adopting a rolling prediction time domain, so that energy distribution can be carried out on different route segments according to a preset target, and different ship types and route schemes can be adapted under the same system framework; and a clear control interface and an adjusting space are provided for subsequent parameter calibration and engineering realization.

The present invention provides a hydrogen powered, modular, SWATH vessel (1); the vessel (1) comprising a plurality of modular vessel components (3) including: a plurality of lower hulls (11, 12) for containing one or more hydrogen storage tanks (100); a plurality of struts (20) each reversibly connected to one of said lower hulls (11, 12); a fore cross-structure (50) and an aft cross-structure (60) each reversibly connected to a strut (20) connected to the first lower hull (11) and a strut (20) connected to the second lower hull (12); and a deck structure (90) reversibly connected between the fore cross-structure (50) and the aft cross-structure (60).

The invention relates to the technical field of underwater vehicles, and discloses hydrogen supply equipment with hydrogen leakage protection for an underwater vehicle, which comprises a base, a hydrogen fuel cell device, a hydrogen supply assembly and a hydrogen leakage protection assembly, the hydrogen supply assembly comprises a liquid hydrogen storage device and a hydrogen rewarming device, and the hydrogen rewarming device is simultaneously connected with the liquid hydrogen storage device and the hydrogen fuel cell device; the hydrogen leakage protection assembly comprises a sealing plate, an electric drive booster pump, a hydrogen storage tank and a hydrogen elimination assembly, the sealing plate is arranged on the base, a cavity is defined by the sealing plate and the base, the liquid hydrogen storage device and the hydrogen rewarming device are arranged in the cavity, and the electric drive booster pump communicates with the cavity and the hydrogen storage tank at the same time; the hydrogen storage tank is selectively communicated with the hydrogen fuel cell device and the hydrogen eliminating assembly; the hydrogen eliminating assembly is used for reacting hydrogen with oxygen to produce water. The leaked hydrogen is collected into the hydrogen storage tank through the electrically-driven booster pump, and the hydrogen in the hydrogen storage tank is selectively conveyed to the hydrogen elimination assembly, so that the density of the hydrogen can be reduced, and potential safety hazards are reduced.

The application relates to the field of refrigerated transportation, in particular to a refrigeration system of a hydrogen-powered refrigerated transport ship, which comprises a liquid hydrogen storage tank, a liquid hydrogen vaporizer, a fuel cell and a refrigerated cabin, the liquid hydrogen storage tank is connected with the fuel cell through a first pipeline; the liquid hydrogen vaporizer is arranged between the liquid hydrogen storage tank and the fuel cell and internally stores liquid ammonia, the first pipeline at the corresponding position is arranged in the liquid hydrogen vaporizer; the refrigerated cabin is provided with a first input port and a first output port which are connected with the liquid hydrogen vaporizer; wherein the liquid ammonia in the liquid hydrogen vaporizer flows into the refrigerated cabin from the first input port and flows back to the liquid hydrogen vaporizer from the first output port; through heat exchange between ammonia vapor and liquid hydrogen and heat exchange between the liquid ammonia and the refrigerated cabin, the conversion between the liquid ammonia and the ammonia vapor can be preferably realized, and the cyclic utilization of energy is realized.

A system and a process for replenishing an on-board power source for a propulsion system on a vehicle such as a watercraft are disclosed herein. The power source comprises a first reservoir holding an anolyte and a second reservoir holding a catholyte. The system comprises a shoreside source of DC electricity; a shoreside series of one or more interconnected stacks; and a hydraulic circuit for circulating the anolyte and catholyte. In embodiments wherein two or more shoreside interconnected stacks are used, the stacks may be hydraulically connected in series or in parallel, and electrically connected in a parallel arrangement.

System for controlling a marine vessel comprising a number of devices, the devices including a number of Solid Oxide Fuel Cells (SOFC), the system including at least one processor calculating device score values of the devices, the system also including a control unit connected to said devices and being configured to calculate an efficiency score value based on said device score values, the efficiency score value defining the efficiency of the system The system also is configured to calculate the capacity of the system based on the status of the devices, and to calculate a capacity margin index indicating the capacity of the system devices, according to predetermined scores for each operation mode and computing the efficiency and capacity values, the status of the fuel cells including a health indicator index.

The present disclosure relates to a hydrogen fuel cell ship comprising: a hydrogen fuel cell; a fuel chamber which is located on a deck of the hydrogen fuel cell ship and is partitioned by one or more fuel chamber partition walls; and a hydrogen supply unit which supplies hydrogen to the hydrogen fuel cell from a hydrogen fuel container located in the fuel chamber, wherein the fuel chamber comprises: a hydrogen fuel container fixing portion comprising a twist lock foundation installed on the deck of the hydrogen fuel cell ship; the hydrogen fuel container loaded on the hydrogen fuel container fixing portion; and a buffering space formed between the fuel chamber partition walls spaced apart from the side surface of the hydrogen fuel container.

To inhibit combustible gas from staying in a fuel cell housing body for housing a fuel cell.SOLUTION: A power generating system comprises a fuel cell 51, a fuel cell housing body 19, a fuel gas storing unit 6, a fuel housing body 40, a fuel gas piping 46, a piping housing body 80, and a third ventilation unit 81. The fuel cell 51 supplies power to a power apparatus in a ship. The fuel cell housing body 19 houses the fuel cell 51. The fuel gas storing unit 6 stores fuel gas to be supplied to the fuel cell 51. The fuel housing body 40 houses the fuel gas storing unit 6. The fuel gas passes through the fuel gas piping 46. The piping housing body 80 houses part of the fuel gas piping 46. The third ventilation unit 81 ventilates the inside of the piping housing body 80.SELECTED DRAWING: Figure 8

The invention belongs to the technical field of ship power systems, and relates to an organic Rankine cycle coupled solid oxide fuel cell power supply system and method, and the system comprises a solid oxide fuel cell, a power supply unit, and a waste heat recycling unit. And the organic Rankine cycle unit is used for recycling waste heat in the tail gas. Catalytic reforming and catalytic combustion are integrated on the two sides of the compact reformer, direct conduction of heat is achieved, the occupied volume on a ship is reduced, the heat integration efficiency is improved, meanwhile, tail gas of the solid oxide fuel cell is used for carrying out a catalytic combustion reaction on the combustion side of the compact reformer to supply heat to the catalytic reforming reaction, and the energy consumption is reduced. Dependence of an external heat source is avoided, the energy self-sufficiency rate of the system is increased, air and natural gas are preheated through multi-stage heat exchange, part of waste heat of the system is recycled, energy consumption is reduced, in addition, low-temperature waste heat is recycled through organic Rankine cycle for power generation, and the overall energy utilization rate is greatly increased by utilizing the efficient heat-work conversion characteristic of an organic working medium in a medium-low temperature interval.

To provide a fuel cell vessel capable of reducing danger owing to fuel.SOLUTION: A fuel cell vessel for propelling a hull by using electric power supplied from a fuel cell carrying out power generation by electrochemical reaction of fuel includes a tank compartment where a fuel tank connected to a piping for replenishing the fuel from outside for putting in the fuel, the tank compartment is provided under a deck of the hull separated from other compartments, and a vent pipe having a tip at the upper outside of the hull for conducting the air inside the tank compartment outside the hull is connected to the tank compartment.SELECTED DRAWING: Figure 2

An air supply apparatus for a ship is described. The air supply apparatus includes a fuel cell and an air lubrication device for resistance reduction of the ship. An exhaust gas outlet of the fuel cell is connected with the air lubrication device via an exhaust gas line for supplying exhaust gas to the air lubrication device. Further, a ship comprising an air supply apparatus according to any embodiments described herein as well as a method of supplying air to an air lubrication device of a ship are described.

The invention relates to the field of comprehensive utilization and optimal configuration of energy, in particular to a ship combined power generation system integrating low-temperature refrigeration and hydrogen production, which comprises an SOFC-GT power generation module for providing energy for ship power and ship service load by using a gas turbine; the DARC refrigeration module is used for refrigerating through waste heat generated by the SOFC-GT module, and the refrigeration requirement is met; the PEME hydrogen production module is used for generating oxygen as an oxidant of a cathode of the solid oxide fuel cell, so that the combustion efficiency is improved; the TCPC power generation module is used for reducing the carbon emission in the sailing process and guaranteeing the power demand of the ship; the LNG cold energy utilization subsystem is used for providing cold water for the ship to meet the refrigeration requirement; the carbon dioxide capturing module is used for capturing and storing carbon dioxide, and the storage cost of the ship in the shipping process is reduced. Various energy forms such as electric energy, cold energy, heat energy and hydrogen energy are integrated, systematic consideration is conducted when the system is applied to the ship, and the system is more suitable for the multi-energy requirement of the ship and the complex scene of zero-carbon constraint.

Proposed is a solid oxide fuel cell system including a fuel gas supply part configured to supply fuel gas, an air supply part configured to supply air, a reformer configured to receive the fuel gas and the air and generate reformed gas containing hydrogen, a fuel cell stack configured to produce electricity by reacting the reformed gas and the air, a burner configured to receive the fuel gas and the air for combustion, and raise temperature inside the reformer to a set temperature corresponding to operating conditions of the reformer by a heat generated during the combustion, and a controller configured to control an operation of the system, wherein the controller operates the reformer to generate the reformed gas when the temperature inside the reformer reaches the set temperature corresponding to the operating conditions of the reformer.

A ship provided with an electric propulsion system based on a gas turbine and waste heat recovery according to an embodiment of the present invention is provided with a stern region (C) for improving the efficiency of a gas turbine (142), the stern region (C) comprising: the gas turbine (142) disposed in an engine compartment (141) and having a gas inlet (142) formed in the engine compartment (141) and a gas outlet (142) formed in the engine compartment (141); electric power is generated by combustion of the first fuel supplied from the second fuel tank (143) or the second fuel supplied from the oil tanks (TK1-TK4) and supplied to the electric propulsion motor; a second fuel tank (143) which is disposed in a free space on an upper side of the engine compartment (141), has an upper end exposed to the upper deck (UD), and supplies the first fuel to the gas turbine (142); and a waste heat recovery system (150) that converts waste heat of exhaust gas from the gas turbine (142) into electric power and supplies the electric power to the electric propulsion motor.

The present application relates to the field of shipping technology, and discloses a green hydrogen energy storage system for ship navigation and a dynamic energy efficiency optimization control method. The method establishes a dynamic coupling model of environmental parameters and new energy parameters. A dynamic adjustment factor is generated based on the comparison result of water flow rate and the set threshold value; the super capacitor response weight is determined in combination with wave height to realize load mutation suppression. The hydrogen production priority coefficient is determined by the wind power / photovoltaic power generation power and the electrolytic tank efficiency, and the hydrogen fuel cell output power is smoothly adjusted by using the hyperbolic tangent function in combination with the hydrogen storage tank pressure. Based on the wave height influence factor, the fuel cell power range is limited, the output power of the lithium battery is calculated according to the lithium battery power distribution coefficient, and the remaining load is dynamically distributed to the super capacitor. Through the cooperative optimization of environmental parameters and equipment state, the present application solves the problem of hydrogen-electric hybrid energy collaborative control hysteresis, and improves the energy distribution efficiency and system stability under complex sea conditions.