73 results about "Fuel conversion" patented technology

The invention provides a ship main engine power real-time optimization method based on a hybrid network model, and belongs to the technical field of ship energy saving.A hybrid neural network model is constructed, the hybrid neural network model is based on a physical information neural network, a KAN network is introduced to serve as a front-end network structure, and the power of a ship main engine is optimized in real time; the high-dimensional nonlinear mapping module is used for establishing high-dimensional nonlinear mapping from navigational speed, a ship type parameter matrix, propulsive efficiency, fuel conversion efficiency and environmental factors to the minimum power of a main engine; a composite loss function is adopted to train the hybrid neural network model, wherein the composite loss function is formed by weighted summation of mean square error loss, dynamics constraint loss, propulsive efficiency constraint loss and fuel consumption constraint loss; using the trained hybrid neural network model to receive ship operation parameters and environment parameters collected in real time, and outputting a minimum power prediction value of the ship main engine through one-time forward propagation calculation to realize real-time optimization of the main engine power.

The invention discloses a distributed measurement method for fuel conversion rate and component content in a hydrocarbon fuel thermochemical process. The method comprises the following steps: pumping a target substance into a reaction tube, and heating to a target temperature required by thermal cracking; relevant parameters are monitored in real time; cooling in real time and collecting gas-phase and liquid-phase substances after thermal cracking of the target substance; analyzing the component distribution of the target substance after thermal cracking on line to obtain the component distribution of the target substance after thermal cracking at different temperatures; changing the pressure, and continuing the above steps to obtain component distribution of the target substance after thermal cracking under different pressures; based on component distribution of a target substance subjected to thermal cracking at different temperatures and different pressures, functions of the conversion rate and the component content of the target substance changing along with the temperature are obtained respectively, and distribution conditions of the conversion rate and the component content of the target substance along a reaction tube are obtained respectively. The invention further discloses a device adopting the method. According to the method and the device, the distributed fuel conversion rate and the content of each component are accurately measured.

The invention provides bionic fractal micro-channel reactor equipment for fluid fuel hydrogen production, which is particularly suitable for marine mobile hydrogen production scenes such as a ship power system and an offshore hydrogen refueling station. The microreactor adopts an upper, middle and lower layer functional structure design, and comprises a diversion diffusion area, a chemical reaction area and a product buffer collection area, the diversion diffusion area and the product buffer collection area are fractal tree-shaped microchannels with optimal continuous length ratio and mass diffusion flux, and the diffusion resistance of reactants can be remarkably reduced. By virtue of the characteristics of compact structure, vibration resistance and easiness in integration of the fractal microchannel, uniform distribution and efficient transportation of reactants are realized, heat and mass transfer performance can be enhanced under harsh working conditions of the ocean, and hydrogen production efficiency and system reliability are improved by combining efficient heat source supply and fuel conversion processes; and the requirements of an ocean mobile platform on efficient, compact and stable hydrogen production equipment are met.

The invention relates to a removable range extender (12) for a motor vehicle (10), comprising an energy converter designed to convert a fuel into electrical energy; a fuel storage unit for storing and providing the fuel for the energy converter; wherein the range extender (12) is designed to be releasably fastened outside a vehicle interior, at least partially to a rear region (14) or roof region of the motor vehicle (10). The invention further relates to a motor vehicle (10) having a removable range extender (12).

The utility model provides a hydrogen fuel cell heat and power cogeneration system, and relates to the technical field of fuel cells, and the hydrogen fuel cell heat and power cogeneration system comprises a heating unit which comprises a fuel cell stack used for generating heat and power for a power utilization end and a heat utilization end to use; the hydrogen supply unit is used for supplying hydrogen fuel to the fuel cell stack; the conversion unit is used for adjusting a current instruction according to the actual power demand of the power utilization end and controlling the working state of the fuel cell stack; the heat dissipation unit is used for dissipating heat of the heating unit and controlling the temperature of the fuel cell stack within a target range; the control unit is used for adjusting the working state of each unit according to the real-time data; the hydrogen supply unit is connected with the fuel cell stack, one end of the conversion unit is connected with the fuel cell stack, the other end of the conversion unit is connected with the power utilization end, the control unit is electrically connected with each unit, one end of the heat dissipation unit is connected with the fuel cell stack, and the other end of the heat dissipation unit is connected with the heat utilization end.

A fire pit configured to be convertible between a solid fuel burning mode and a fluid fuel burning mode, the fire pit including a wall section at least partially defining a combustion chamber, the wall section including an outer wall and an inner wall defining an airflow vent, and one or more intakes and one or more outputs which may be configured to transport ambient air to the combustion chamber. The fire pit includes an end wall defining a closed end portion of the combustion chamber. A fluid fuel conversion kit is configured to convert the fire pit between the solid fuel burning mode and the fluid fuel burning mode, the fluid fuel conversion kit including a burner configured for removable supportive engagement with at least one of the wall section or the end wall and a fuel supply line configured to supply fluid fuel from a fluid fuel source to the burner.

To provide a technique for improving the utilization rate of carbon dioxide in a fuel gas production system.SOLUTION: The fuel gas production system includes a storage device including a recovery device configured to recover carbon dioxide, a recovery unit configured to recover carbon dioxide separately from the recovery device, and a storage unit configured to store the carbon dioxide recovered by the recovery unit, a fuelization device configured to supply hydrogen and at least one of the carbon dioxide recovered by the recovery device and the carbon dioxide stored by the storage device to a reactor to generate fuel gas, and a control unit configured to control the storage device to supply the carbon dioxide recovered by the recovery unit to the storage unit when a differential pressure becomes smaller than a differential pressure threshold.SELECTED DRAWING: Figure 4

The utility model provides a methanol gasoline dual-fuel converter, which belongs to the technical field of fuel converters and comprises a converter main body, an n-shaped outer frame and a stable clamping piece. According to the utility model, the structure of the n-shaped outer frame is improved, so that the two ends of the n-shaped outer frame are bent to form the bent parts, and the shell of the converter main body is optimized, so that the top parts of the two ends of the shell form the notch parts; during installation, the bending part is inserted into the inner side of the notch part, so that the stability of the converter main body and the n-shaped outer frame after installation is ensured, and in order to ensure the stability of connection between the plug wire harness and the converter main body, a stable clamping piece is arranged between the plug wire harness and the n-shaped outer frame, so that the problem that the plug wire harness falls off is avoided.

The application discloses a CO2 capture method and system based on fuel staged conversion coupled with chemical looping combustion, and the method comprises the following steps: flue gas is introduced into a carbonation tower filled with metal oxygen carriers MeO and adsorbents A, the adsorbents A adsorb CO2 in the flue gas, and then the solid in the tower is transported to a calciner; the adsorbents A after adsorption are decomposed into the adsorbents A and CO2 in the calciner, the MeO in the calciner reacts with the substances transported in a fuel pre-conversion reactor to generate a reduced metal oxygen carrier; the regenerated adsorbents A and the reduced metal oxygen carrier in the calciner are transported to an air reactor to generate MeO and regenerated adsorbents A which are returned to the carbonation tower; fuel and reactants are introduced into the fuel pre-conversion reactor, part of the fuel is converted, and the products are sent into the calciner. Through fuel partial conversion and chemical looping combustion, the application realizes grade matching of the fuel conversion and the adsorbent regeneration process, avoids air separation energy consumption of separated pure oxygen, and effectively reduces CO2 capture energy consumption after medium-high temperature adsorption combustion.

The invention discloses a preparation method of an oxygen vacancy-adjustable calcium-iron spinel oxygen carrier and application of the oxygen vacancy-adjustable calcium-iron spinel oxygen carrier in sulfur-containing fuel conversion, and belongs to the technical field of energy utilization, green conversion and treatment of sulfur-containing pollutants in the chemical looping combustion process. A CaFe2O4 spinel structure is formed through Ca element doping, and the CaFe2O4 spinel structure is synthesized at different temperatures so as to regulate and control the oxygen vacancy concentration of the CaFe2O4 spinel structure. According to the CaFe2O4 spinel oxygen carrier, by reducing the oxygen vacancy concentration, the lattice oxygen proportion can be increased at the same time so as to enhance the CH4 conversion activity, and the oxygen vacancy is reduced so as to inhibit H2S deposition and sulfur poisoning tendency. The calcium-iron spinel oxygen carrier has high reaction activity, excellent sulfur resistance and stability, can realize efficient conversion of sulfur-containing fuel and CO2 capture, can solve the problems of easy sulfur poisoning, poor reactivity and the like of a common metal oxide oxygen carrier, is suitable for the chemical looping combustion (CLC) process of fuels with different sulfur contents, and has a wide application prospect.

An energy conversion arrangement (10) for an aircraft (1), an energy system (2), and an aircraft (1) comprising an energy conversion arrangement (10) and / or an energy system (2) are provided, wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system, for converting at least one fuel into electrical and / or mechanical energy; an exhaust gas outlet (13) for discharging exhaust gases (E) generated in the fuel conversion device (11) by the fuel conversion; a further exhaust gas outlet (13) for discharging further exhaust gases (G) from the fuel conversion device (11); and at least one mixing arrangement (42) designed to mix the exhaust gases (E) from the exhaust gas outlet (13) with the further exhaust gases (G) from the further exhaust gas outlet (13).

Fuel conversion unit and system for an internal combustion engine vehicle, and method for adjusting fuel distribution. The invention relates mainly to a fuel conversion unit (1) for an internal combustion engine vehicle, the vehicle comprising at least one first injector (4) and at least one second injector (6) controllable by a microcontroller (7) of the conversion unit (1), which microcontroller (7) is further provided to retrieve an injection signal, which conversion unit (1) further comprises a fuel sensor (8), characterized in that the microcontroller (7) is configured to determine the composition of the fuel, and for each engine cycle: • Determine an injection duration of the first injector (4) from the data of the injection signal;• Determine an injection duration for the second injector (6) based on the injection duration of the first injector (4) and the determined fuel composition, and • Control the second injector (6) according to the determined injection duration to deliver an additional quantity of fuel. Figure to be published with the abbreviation: Fig. 1;

The complete tooth-driven ceramic valve element delay fuel conversion valve comprises a valve body and a valve cover, a movable valve plate is arranged in the valve body, the upper end of the movable valve plate is connected with a gear oil duct, and the gear oil duct is driven by a gear transmission mechanism to rotate; a static valve plate is fixed in the valve body at the lower end of the movable valve plate; the movable valve plate is provided with a first flow channel, the static valve plate is provided with a left flow channel and a right flow channel, and the left flow channel and the right flow channel are arranged in a mirror symmetry mode. In the process that the movable valve block rotates along with the gear oil channel, the upper end of the first flow channel is communicated with the gear oil channel all the time, the lower end of the first flow channel is disconnected with the right flow channel when communicated with the left flow channel, or the lower end of the first flow channel is communicated with the right flow channel when disconnected with the left flow channel. According to the ceramic valve element delay fuel conversion valve driven by the complete teeth and the control method, control over four different combination states of the double-three-way valve can be achieved.

The present disclosure relates to a control method of a range extender system and a working machine. The range extender system comprises an engine and a plurality of generators connected in series. The control method comprises: obtaining a total vehicle demand power, determining a combination of a plurality of speed-demand torques according to the total vehicle demand power to obtain a first set; screening the first set according to specific fuel consumption of the engine to obtain a second set; for the second set, obtaining a first target speed and a first target distribution coefficient under the total vehicle demand power by optimization calculation with the target of maximizing fuel conversion rate; controlling the engine to operate according to the first target speed, obtaining a plurality of first target distribution torques based on the first target distribution coefficient, and controlling the plurality of generators to work according to the plurality of first target distribution torques. The control strategy with the maximum fuel conversion rate can be obtained by optimization calculation, so that the operation state of the range extender system always has optimal fuel economy, and the power generation efficiency and fuel economy of the range extender system are effectively improved.

The invention discloses an engine capable of controlling the rotating speed and doing work through waste gas heat energy. Relates to the technical field of fuel oil and gas engines, and comprises a main body that a rotary piston type pneumatic motor is connected with a combustion chamber, the combustion chamber is connected with a high-temperature-resistant valve, the valve is connected with a gas storage bottle, the gas storage bottle is connected with a high-pressure gas pump, and the high-temperature-resistant valve is connected An engine exhaust hole is connected with the small boiler. The multi-stage transmission is used for controlling the rotating speed of the high-temperature-resistant valve, a cam shaft of the multi-stage transmission is connected with an ignition system for controlling oil injection of the engine, and the rotating speed of the engine is controlled by controlling ignition and oil injection times. High-temperature waste gas exhausted by the engine heats water or carbon dioxide through the small boiler to generate high-pressure gas which is input into the small pneumatic motor to do work. Compared with an existing engine, the fuel oil conversion rate of the engine is increased by 30%. And energy is saved, and carbon emission is reduced. The social development is facilitated.

The present disclosure relates to the field of sustainability and, in particular, to calculating, monitoring and attributing carbon delta attributes (such as GHG savings) to select material products to improve the environmental impact of material production. The disclosure relates to methods, apparatuses and systems for generating, monitoring, and / or allocating carbon delta attributes associated with input materials provided to a fuel switch within a Scope 1 system boundary of a material production network.

To provide a fuel conversion support calculation device that calculates a charge for combined gas use, to support a gas business operator who proposes combined gas use to an all-electric customer.SOLUTION: A control unit 23 of a fuel conversion support calculation device 20 calculates an electricity charge before a fuel conversion and electricity and gas charge after fuel conversion so that a charge can be compared when replacing an electric appliance with a gas appliance. In addition, a total cost before and after the fuel conversion are calculated so that the total cost, which is a sum of an initial cost of equipment and a running cost for a useful life, can be compared. On the basis of a result of these calculations, a fuel conversion proposer among gas operators can make a fuel conversion proposal that brings a substantial benefit to a user.SELECTED DRAWING: Figure 1

To provide a fuel production system capable of rapidly drying a high-moisture-content material such as sludge, reducing CO2 emissions, and obtaining fuel with a high calorific value.SOLUTION: A fuel production system 1 for drying a water-containing raw material M1 such as sludge comprises: a heat source device 10 that uses biomass fuel; a carbonization device 20 that carbonizes a carbonization raw material M2 by using hot air; and a drying device 40 that dries the water-containing raw material M1. Carbide C from the carbonization device 20 can be used in a pellet burner 13 or thermal power generation. By drying the water-containing raw material M1 such as sludge or livestock feces, performing carbonization treatment to produce fuel, and operating the fuel production system 1, the supply of fossil fuel is minimized, enabling continuous operation.SELECTED DRAWING: Figure 1

The invention discloses a fuel supply system, method and equipment of an engine and a medium. The fuel supply system comprises a first fuel supply pipeline and a second fuel supply pipeline, a second delivery pump for pumping a second fuel; the adding device is provided with a second channel communicated with the output end of the second conveying pump and the first fuel supply pipeline, and the flow area of the second channel is adjustable; the control module is electrically connected with the second conveying pump and the adding device and used for determining the target adding amount of the second fuel based on the engine operation working condition; determining target traffic based on the target additive amount; and based on the target flow, the flow area of the second channel or the pumping pressure of the second conveying pump is controlled, so that the second fuel is conveyed to the first fuel supply pipeline at the target flow until the adding amount of the second fuel in the first fuel supply pipeline reaches the target adding amount. By the adoption of the system, diesel-free cold start is achieved, the complexity and cost of the system are reduced, the pause feeling in the fuel conversion process is eliminated, the combustion stability of an engine is improved, and the service life of the engine is prolonged.

The invention discloses a method for co-producing low-carbon olefin and hydrogen-rich gas and simultaneously recovering high-value metal of a lithium battery through biogas residue chemical chain reforming. The nickel cobalt lithium manganate oxygen carrier can significantly improve the selectivity of low-carbon olefins and the conversion rate from biogas residues to low-carbon olefins. The method comprises the steps of waste lithium battery treatment, oxygen carrier preparation, biogas residue pretreatment, pyrolysis gasification, chemical chain reforming, magnetic separation and the like, and finally efficient preparation of low-carbon olefin and hydrogen-rich gas is achieved, and organic fertilizer by-products are generated at the same time. The waste battery positive electrode material is used as a raw material, valuable components in the waste battery positive electrode material are recycled, environmental protection is achieved, resources are recycled, and high-value utilization of waste resources is achieved. The method has the advantages of high fuel conversion efficiency and high H2 yield, the highest fuel conversion efficiency can reach 95.76%, and the H2 yield is gt; the recovery rate of Li2O is gt; the total recovery rate of other metals (cobalt, nickel and manganese) is gt; 89.43% of the content.

The utility model discloses a fuel oil change-over valve tube bundle connector installation assistive device, which belongs to the technical field of automobile part assembly, and comprises a bottom plate, a valve body connector, a pipe bundle connector and a pipe bundle connector, the supporting plate is arranged on the bottom plate, and a sliding way is formed in the supporting plate; and the clamping mechanisms are connected into the sliding ways in a sliding mode, and the clamping mechanisms are clamped on the two sides of the valve body connector. When the mounting assistive device is used, the bottom plate of the mounting assistive device is mounted on the fuel change-over valve, the valve body interface is positioned in the through hole of the bottom plate, the relative position of the clamping mechanism and the valve body interface is adjusted by sliding the clamping mechanism, so that the clamping mechanism can be accurately clamped on two sides of the valve body interface, then a tube bundle joint is mounted on the valve body interface, and the tube bundle joint is screwed by a torque wrench. The installation effect of the pipe bundle connector can be improved, the phenomenon of fuel oil leakage after installation is avoided, and the pipe bundle connector is simple in structure and convenient to use.

A control unit and method for managing power sources and energy storage in a hybrid power generation system configured to meet power requirements of one or more electrical loads, and comprising: a main power source comprising one or more fuel cells, the one or more fuel cells are configured to convert hydrogen into electric power; an auxiliary power supply including a combustion engine and a generator configured to generate to convert fuel to electrical power; and an energy storage system configured to support the main power source and the auxiliary power source, and wherein the control unit is configured to monitor the power demand of the one or more electrical loads, and connect the energy storage system to support at least one of the main power source and the auxiliary power source when a peak of the power demand is detected.

The invention discloses a high-purity hydrogen fluoride preparation data-driven fuel energy-saving management system and method, and relates to the technical field of fuel energy-saving management. The high-purity hydrogen fluoride preparation data-driven fuel energy-saving management system comprises a fuel conversion efficiency judgment module, a fuel reaction energy-saving management module and a fuel recovery energy-saving management module. The fuel reaction conversion result is obtained through the obtained preparation reaction data, then whether fuel reaction energy-saving management optimization is carried out or not is judged according to the fuel reaction conversion result, finally, the fuel recovery management result is obtained based on the obtained preparation emission data, and whether fuel recovery energy-saving management optimization is carried out or not is judged. The fuel energy-saving management in the high-purity hydrogen fluoride preparation process is more efficiently carried out, and the problem that in the prior art, the fuel energy-saving management efficiency in the high-purity hydrogen fluoride preparation process is low is solved.

The application relates to a control method and device for a range extender in a downhill state and a vehicle. The control method for the range extender in the downhill state comprises the following steps: when it is determined that the vehicle is in a downhill driving state, acquiring a current state of a brake pedal, a current state of a gear pedal and a downhill angle value of the vehicle; according to the current state of the brake pedal, the current state of the gear pedal and the downhill angle value of the vehicle, selecting a target rotating speed from a plurality of rotating speeds of the range extender of the vehicle as an actual rotating speed of the range extender; and controlling the range extender to drive a motor of the vehicle at the actual rotating speed. The control method for the range extender in the downhill state can reduce the required output power of the range extender of the vehicle, thereby avoiding energy loss caused by charging and discharging of a battery pack, and achieving the purpose of increasing fuel conversion efficiency.

The invention relates to a fuel conversion system and unit for a heat-engine vehicle, and to a method for adjusting the distribution of fuel. The invention relates mainly to a fuel conversion unit (1) for a heat-engine vehicle, the vehicle comprising at least a first injector (4) and at least a second injector (6) that can be operated by a microcontroller (7) of the conversion unit (1), which microcontroller (7) is also designed to collect an injection signal, which conversion unit (1) further comprises a fuel sensor (8), characterized in that the microcontroller (7) is configured to determine the composition of the fuel, and, for each engine cycle: • To determine an injection duration of the first injector (4) from the data in the injection signal; • To determine an injection duration of the second injector (6) from the injection duration of the first injector (4) and from the determined fuel composition, and To operate the second injector (6) for the determined injection duration in order to deliver a complementary quantity of fuel.

The utility model discloses a fuel oil conversion device for a diesel engine, which comprises a valve body mounting seat mounted on the upper end face of a supporting plate, an oil suction three-way valve and an oil return three-way valve are mounted in the valve body mounting seat, and a first electric actuator and a second electric actuator are mounted on the upper end face of the valve body mounting seat. A first valve element installed in the oil suction three-way valve is connected with a first electric actuator, a second valve element installed in the oil return three-way valve is connected with a second electric actuator, delayed switching of an oil way of the oil return three-way valve can be controlled, fuel oil in an oil return pipe returns to an oil tank of a corresponding mark, and fuel oil mixing is reduced. The fuel oil conversion device is compact and reasonable in overall structural design, the transverse width size and the total size of the fuel oil conversion device are remarkably reduced, the fuel oil conversion device is installed in a fuel oil conversion device embedding hole in the bottom of a main oil tank in an inverted and embedded mode when used, and the requirement for the installation and use space of the fuel oil conversion device is effectively lowered; the heating assembly is located in the main oil tank and used for heating fuel oil.

The invention relates to a method for managing the energy of a vehicle having a navigation system and an electric machine (MEL) powered by a system for converting fuel into electricity and a system for storing electrical energy: a) entering a destination in a navigation system; b) the navigation system computing the route; c) applying a predictive model of the vehicle to the route in order to deduce the predicted required power profile (Preq); d) managing the power supply of the electric machine (MEL), with d0) measuring the state of charge (SoC) of the electrical energy storage system (BAT); d1) control computation of the electrical energy sources (BAT, FC) on the basis of the predicted power profile (Preq) predicted by Pontryagin's maximum principle (PMP) in order to determine the optimal profile of the state of charge (SoC); and d2) determining the electricity control in real time in order to power the electric machine (MEL).

An energy conversion arrangement, an energy system and an aircraft are provided for an aircraft, the aircraft (1) comprising an energy conversion arrangement (10) and / or an energy system (2), wherein the energy conversion arrangement (10) comprises a fuel conversion device (11), in particular a fuel cell system (70), for converting at least one fuel into electrical and / or mechanical energy, and at least one exhaust gas outlet (13) for discharging exhaust gas (E) produced by the fuel conversion in the fuel conversion device (11), and at least one mixing assembly (42) configured to merge a flow of further exhaust gas (G) of the fuel conversion device (11) with at least one flow of exhaust gas (E) from the at least one exhaust gas outlet (13).

The system comprises a fuel supply module, a combustion heating module, a waterway circulation module, a temperature control execution module, an intelligent control module and an outdoor expansion module, can be adaptive to hybrid power, fuel oil, pure electricity and other full vehicle types, and supports complete reloading of multiple fuels such as CNG, LPG and diesel oil. A large circulation mode, a small circulation mode and a water storage tank heat storage circulation mode are switched through the two three-way valves, and precise heating and temperature maintaining are achieved in combination with three-section fire grate staged combustion and two-stage temperature control. The method comprises the steps of vehicle type adaptation and fuel selection, circulation mode switching, staged combustion and temperature control, safety protection and energy consumption optimization and outdoor expansion use. The system has the advantages of compatibility of all vehicle types, multi-fuel adaptation, multiple functions, stable and reliable operation and reasonable energy consumption, can solve the problems of winter heating, battery temperature maintenance and outdoor expansion energy supply of different vehicle types, and is suitable for all scenes of commercial vehicles, motor homes, cars and the like.

An energy conversion plant is disclosed having one or more drive units for driving respective loads such as electric motors or centrifugal compressors. The energy conversion plant comprises at least one heat exchange recuperator for heating the pre-compressed carbon dioxide fed to the drive unit by heat produced by the drive unit itself, and a compression and pumping unit for compressing the carbon dioxide. The carbon dioxide is also supplied by a group of fluid source auxiliary plants.