85results about "Power plants using fuel cells" patented technology

The invention aims to provide a solid hydrogen storage fuel cell underwater vehicle hybrid power system coupled with a water management system, and belongs to the field of hybrid power. According to the invention, the hydrogen fuel cell is combined with a common cell, sufficient, stable and efficient power supply is provided for the underwater vehicle, the limitation of a traditional single energy system in the aspects of cruising ability, power output, energy density and the like is solved, and the comprehensive performance of the underwater vehicle is remarkably improved. A water supply and return integrated circulating water pump is adopted, and efficient and rapid circulation of water inside and outside the underwater vehicle is achieved by integrating water supply and drainage functions. The solid hydrogen storage material is adopted to release hydrogen, one part of hydrogen is conveyed to the fuel cell and participates in reaction to provide power output needed by the underwater vehicle, the other part of hydrogen is recycled and assists the hydrogen storage material in injection, and the underwater closed circulation mode of the underwater vehicle is achieved. And efficient operation and effective utilization of energy are ensured.

The invention discloses a ship alcohol hydrogen electric drive power supply system. By integrating methanol reforming power generation, intelligent energy storage and digital management technologies, carbon emission is reduced by more than 30% while fuel cost is remarkably reduced by 45%-55%, millisecond-level response, 95% of system energy efficiency and full-process intelligent monitoring are achieved, the problems of high cost, high pollution and low efficiency of traditional diesel power generation are comprehensively solved, and the system is suitable for large-scale popularization and application. And meanwhile, stable operation in a low-temperature environment and off-grid power supply capability are realized, and remarkable breakthroughs are made in economic benefits, environmental protection performance and intelligent level.

Described herein is a safety and support system for a fuel cell module comprising: a pressure-tight safety casing for enclosing the fuel cell module and for containing a fluid; a fuel supply system, arranged to transport fuel to the fuel cell module from an external source; an air supply system, arranged to transport air to the fuel cell module from an external source, an exhaust system, arranged to transport exhaust fluids from the fuel cell module out of the safety casing, and a casing atmosphere system comprising: an inlet into the safety casing having an inlet valve, an outlet from the safety casing having an outlet valve, means for evacuating the fluid from the safety casing through the outlet, and a pressure sensor, arranged for measuring a pressure of the fluid inside the safety casing, wherein the casing atmosphere system is arranged to maintain a below ambient pressure inside the safety casing. Also described herein is a method for preventing an explosive atmosphere inside a safety casing and a fuel cell system for marine applications.

The risk of breakage of a housing when an explosion occurs in a module installation compartment is reduced, without excessively increasing the pressure capacity of the housing. A fuel cell system includes: a housing having a module installation compartment in which a fuel cell module is installed; and a double wall portion with an inner wall and an outer wall. The housing has the outer wall. The module installation compartment has the inner wall. The inner wall has a pressure release part. When a pressure in the module installation compartment reaches a predetermined pressure lower than a pressure capacity of the outer wall, the pressure release part releases the pressure.

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 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.

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.

The invention relates to a hybrid power ship and an electric energy distribution control method, and the hybrid power ship is provided with a power battery pack which is electrically connected with a DC bus, and is also provided with a wind power generation group and a photovoltaic power generation group, and is connected with a third electric energy distribution module and a fourth electric energy distribution module through an AC-DC conversion device and a first boost DC-DC conversion device. According to the technical means, the mode that a traditional hybrid power ship collects and electrolyzes wind energy or light energy to generate hydrogen and stores energy in the form of hydrogen and needs multiple times of energy conversion is changed, and electric energy generated by a wind power generation set and a photovoltaic power generation set is directly converted into electric energy through conversion equipment; the electric energy is transmitted to the power battery pack through the electric energy distribution module to be stored or directly supplied to the direct-current bus for use, the energy conversion link is reduced, the energy utilization rate is remarkably improved, and the technical problems that the energy utilization rate is low and the actual requirement of ships for efficient energy utilization cannot be met in a traditional scheme are effectively solved.

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.

Provided is a hybrid propulsion vessel that may be environmentally friendly and propelled with high efficiency by utilizing both electric power and heat, two energy forms generated in a fuel cell simultaneously, and by obtaining propulsive force as a propeller is rotated by any one or both of a steam turbine power source driven by heat as a primary power source and an electric motor power source driven by electric power as a secondary power source.

The invention relates to a fuel conducting device (3) for conducting a fuel, comprising − a line (7) which has a core line (7.1) and an encasing area (7.2) which surrounds the core line (7.1), wherein the core line (7.1) is designed to conduct the fuel, and the encasing area (7.2) is designed to be filled with a liquid encasing area medium (11), and − a conveyor device (9) which is fluidically connected to the encasing area (7.2), said conveyor device (9) being designed to convey the liquid encasing area medium (11) into the encasing area (7.2). The invention additionally relates to a fuel cell assembly (2) comprising at least one fuel cell (5) and such a fuel conducting device (3) and to a watercraft (1) comprising such a fuel conducting device (3) and / or such a fuel cell assembly (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 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.

The invention relates to a hydrogen energy ship fuel cell system fault detection method. The method comprises the steps that a data acquisition module acquires fuel cell system operation data through a multi-sensor detection technology; the data analysis and processing module carries out data processing and analysis, and alarms the fault level, position and reason of the fuel cell system in real time through the multi-level alarm module; an intelligent navigation processing method is generated through the intelligent navigation processing module, an alarm interface is synchronized, and operation and maintenance personnel are guided to process according to a navigation process on site; a fault of the fuel cell system is rapidly handled through man-machine combination, and fault reset is carried out; the method solves the problems of dependence on manual intervention, relatively high response delay and relatively large risk in a complex channel in the prior art, and has the characteristics of rapid navigation disposal, improvement of fault disposal efficiency and reduction of safety risk.

Disclosed is a hydrogen fuel cell power generator. Located within a container and arranged sequentially along a longitudinal axis is: an electrical conversion system, a first electrical power generation system, a fluid interface system, and a second electrical power generation system. The electrical conversion system is operable as a DC-DC converter for electrical power. The first electrical power generation system comprises a first hydrogen fuel cell system operable to generate electrical power. The fluid interface system is arranged between the first electrical power generation system and the second electrical power generation system, and operable to transfer fluids between a fluid handling apparatus external to the hydrogen fuel cell power generator and the first and / or second electrical power generation system. The second electrical power generation system comprises a second hydrogen fuel cell system operable to generate electrical power. A marine vessel with the hydrogen fuel cell power generator is also disclosed.

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.

The invention relates to a hybrid power ship energy management optimization method and system. The method comprises the following steps: constructing a logic threshold rule according to a power combination of a target hybrid power ship; establishing an ECMS optimization model of the target hybrid power ship; solving the ECMS optimization model according to a logic threshold rule to obtain an energy management optimization model of the target hybrid power ship under the logic threshold rule; and solving the energy management optimization model of the target hybrid power ship under the logic threshold rule to obtain an optimized energy management strategy of the target hybrid power ship. Compared with the prior art, the energy utilization rate of the ship is improved, the operation cost is reduced, the economic benefit of the ship is improved, and a more efficient and reliable solution is provided for energy management of the hybrid power ship.

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

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.

A fuel cell ship includes a fuel cell compartment in which a fuel cell is installed, a tank compartment in which a fuel tank is installed, a fuel supply pipe through which fuel is supplied from the fuel tank to the fuel cell, and a control unit. The fuel supply pipe includes at least two shutoff valves. Fuel gas detectors that detect a fuel gas being in a gaseous state of the fuel are each installed in the compartments. If at least one of the fuel gas detectors detects that a concentration of the fuel gas is equal to or greater than a predetermined standard value, the control unit controls to close a shutoff valve in a compartment out of the tank compartment and the fuel cell compartment, where the fuel gas detector having detected the concentration equal to or greater than the standard value is installed.

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.

To provide a fuel cell vessel capable of minimizing damage even when storage cell explodes due to some cause.SOLUTION: The fuel cell vessel includes a storage cell compartment where a storage cell for supplying electric power which is different from a fuel cell to a propulsion device. The storage cell compartment is provided in between a deck and a bottom part of a hull. A structure for supporting the storage cell case in a position higher than a bottom wall of the storage cell compartment is provided at a position in between the bottom wall of the storage cell compartment and the storage cell case for storing the storage cell inside the storage cell compartment.SELECTED DRAWING: Figure 3

A ship equipped with a gas turbine and a waste heat recovery-based electric propulsion system, according to an embodiment of the present invention, enhances the efficiency of a gas turbine (142) by including a stern section (C) comprising: the gas turbine (142), disposed in an engine room (141), that generates electric power by combustion of first fuel supplied from a second fuel tank (143) or second fuel supplied from cargo tanks (TK1 to TK4) and supplies the electric power to an electric propulsion motor; the second fuel tank (143), which is disposed in an upper side free space of the engine room (141), has an upper end exposed to an upper deck (UD), and supplies the first fuel to the gas turbine (142); and a waste heat recovery system (150) that converts waste heat from exhaust gas of the gas turbine (142) into electric power and then supplies the electric power to the electric propulsion motor.

The invention relates to a fuel cell arrangement (1) comprising a first housing (3) in which an electrochemical cell stack (5) of the fuel cell arrangement (1) is arranged, and a second, closed housing (7) in which a fluid flow fuel guide (9) is arranged, wherein the electrochemical cell stack (5) is fluidly connected to a fuel supply line (11) of the fuel guide (9) so that fuel can be supplied to the cell stack (5) via the fuel supply line (11), and wherein a ventilation device (13) for purging the second housing (7) with purge gas is associated with the second housing (7).

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.