53 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 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.

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.

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 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.

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 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.

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.

The present application relates to the technical field of fuel conversion, in particular to a novel solid fuel conversion equipment and a pulverized coal gasification conversion method thereof, which comprises a furnace body, a ignition burner arranged at the top of the furnace body, a lifting unit, a gas-solid separation unit, an atomization cooling unit and a dry filtering unit, a plurality of independent nozzles are arranged at the top of the furnace body in an interval manner, and a plurality of secondary feeding nozzles are arranged at the middle of the furnace body in an interval manner; by arranging the independent nozzles, the high temperature caused by the rapid combustion near the burner is avoided, and the burner is prevented from being damaged; by the secondary feeding, the high-temperature synthesis gas is preliminarily cooled, and the solid particle circulation is formed in the middle of the furnace body, so that the synthesis gas is further cooled, and the atomized molten ash slag is solidified into small particles, the molten slag is not collected, and the water quenching cooling is not needed in the furnace body; the equipment has no coal burner, the production process does not form the accumulated molten slag block, and no black water and ash water is generated; the conversion method is simple in operation, stable in running and efficient in conversion.

The application provides a ship main engine power real-time optimization method based on a hybrid network model, belongs to the technical field of ship energy saving, and constructs a hybrid neural network model. The hybrid neural network model is based on a physical information neural network, introduces a KAN network as a front-end network structure, is used for establishing a high-dimensional nonlinear mapping from a speed, a ship type parameter matrix, a propulsion efficiency, a fuel conversion efficiency and an environmental factor to a minimum power of a main engine, trains the hybrid neural network model by using a composite loss function, and the composite loss function is composed of a mean square error loss, a dynamics constraint loss, a propulsion efficiency constraint loss and a fuel consumption constraint loss. By using the trained hybrid neural network model, real-time collected ship running parameters and environmental parameters are received, a minimum power prediction value of the ship main engine is output through one-time forward propagation calculation, and real-time optimization of the main engine power is realized.

An energy conversion arrangement for an aircraft, an energy system, a propulsion unit, and an aircraft comprising an energy conversion arrangement and / or an energy system are provided. The energy conversion arrangement includes at least one exhaust outlet for letting out exhaust produced by a fuel conversion device, in particular a fuel cell system, for converting at least one fuel to electrical and / or mechanical energy in the fuel conversion device; and at least one exhaust assembly configured to admix a stream of the exhaust from the at least one exhaust outlet with ambient air from the ambient surroundings in at least one mixing zone to promote a growth of water droplets through at least partly condensing water vapor contained in the exhaust in the mixing zone.

This invention provides an effective method for generating electricity through a process that involves dissolving biomass to produce solid fuel. [Solution] A power generation method using a power generation system having a dissolution reactor, a fuel converter, a carbon dioxide separator, and a power generation cell, comprising: a biomass dissolution step, in which biomass is reacted with a dissolution reaction solution containing vanadium ions in the dissolution reactor to obtain a fuel liquid which is a solution in which cellulose and hemicellulose contained in the biomass are dissolved in the dissolution reaction solution; a fuel conversion step, in which the fuel liquid is brought into contact with a catalyst contained in the fuel converter to oxidize the sugar components contained in the fuel liquid and obtain carbon dioxide and a converted fuel liquid; an anode supply liquid acquisition step, in which the carbon dioxide separator recovers the carbon dioxide contained in the converted fuel liquid and obtains a converted fuel liquid with a reduced carbon dioxide content as an anode supply liquid; and a power generation step, in which the anode supply liquid is supplied to the anode of a power generation cell to generate electricity.

The present invention relates to the technical field of internal combustion engine fuels, and provides a multi-fuel internal combustion engine using solid-state hydrogen storage, methanol, hydrogen, gasoline and diesel, and natural gas. The multi-fuel internal combustion engine comprises: a multi-fuel internal combustion engine body; a gas storage tank, in communication with an gas inlet pipe of the multi-fuel internal combustion engine body, wherein a flow regulating valve is mounted on the gas inlet pipe; a hydrogen supply assembly and a natural gas supply assembly, each connected to the gas storage tank; a methanol reformer, wherein a methanol reformer jacket is provided on an outer periphery of the methanol reformer, and the methanol reformer is connected to a methanol and gasoline-diesel supply assembly; and a solid-state hydrogen storage tank, wherein a solid-state hydrogen storage tank jacket is provided on an outer periphery of the solid-state hydrogen storage tank, a hydrogen injection pipe and a hydrogen discharge pipe are connected to the solid-state hydrogen storage tank, and the hydrogen discharge pipe is configured to communicate with the gas storage tank. The present invention enables flexible supply of one or more fuels to the internal combustion engine, and achieves an improved fuel conversion rate during the conversion process.

1. The name of the design product: gas generator set (CQFJ100Z). 2. The use of the design product: use gas as fuel to convert into electric energy, and provide electric power for various equipment and systems. 3. The design points of the design product: the shape of the product. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a kind of distributed measurement methods for the content of hydrocarbon fuel cracking component: target material is pumped into reaction tube and heated to the target temperature required for thermal cracking;Real-time monitoring of relevant parameters;Real-time cooling and collecting the gas phase, liquid phase material of target material after thermal cracking;Online analysis of the component distribution of target material after thermal cracking, obtain the component distribution of target material after thermal cracking at different temperatures;Change pressure, continue the above steps to obtain the component distribution of target material after thermal cracking at different pressures;Based on the component distribution of target material after thermal cracking at different temperatures and different pressures, obtain the function of target material conversion rate and component content with temperature change respectively, and obtain the distribution of target material conversion rate and component content along the reaction tube respectively.The application also discloses a kind of using above-mentioned method device.The method and device realize the accurate measurement of distributed fuel conversion rate and component content.

The application provides a gas diffusion layer with hydrophilic and hydrophobic transmission channels and a preparation method thereof, and belongs to the technical field of hydrogen energy and hydrogen-rich fuel conversion. The preparation method comprises the following steps: mixing a first carbon nanomaterial, a hydrophilic modified first carbon nanomaterial, a second carbon nanomaterial and a hydrophobic modified second carbon nanomaterial to form a carbon material mixture; the particle size of the first carbon nanomaterial is larger than that of the second carbon nanomaterial; mixing the carbon material mixture, a solvent and a hydrophobic agent to form a slurry; forming a coating layer on a substrate by using the slurry, and drying and sintering. The preparation method can improve the performance of the gas diffusion layer.

Disclosed are a plasmonic nano-alloy photothermal-coupled methane dry reforming catalyst, a preparation method therefor, and application thereof, wherein the catalyst includes a ternary nano metal component and a magnesium-aluminum spinel, and can be used for directly converting greenhouse gases to fuel. The catalyst can absorb ultraviolet-visible light irradiated by an external xenon lamp in a photothermal reactor, and use thermal radiation to reach a temperature required for a thermal catalysis, thereby achieving higher solar-to-fuel conversion efficiency. Due to extremely high solar spectrum absorptivity, the catalyst has excellent performance, and is capable of using the visible light band to excite a plasmonic effect to pre-activate gas molecules 10 for the reaction, thereby reducing apparent activation energy under direct lighting, inhibiting the complete cracking of methane and avoiding the formation of carbon deposition, such that the stability of the methane dry reforming reaction and efficiency of the reaction are improved.

The invention provides a hydrogen production decarburization and nitrogen co-production method and system, and the hydrogen production decarburization and nitrogen co-production method comprises the following steps: introducing a first mixed gas into a first product separation reactor, and carrying out in-situ separation on hydrocarbon fuel autothermal reforming of a first product; introducing the tail gas flowing out of the first product separation reforming reactor into a second product separation reactor, and carrying out in-situ separation on hydrocarbon fuel of a second product to carry out autothermal reforming or only carrying out separation of the second product; detecting the nitrogen purity in the nitrogen-rich gas flowing out of the second product separation reactor, or detecting the hydrocarbon fuel conversion rate or the hydrogen yield, and when the nitrogen purity, the hydrocarbon fuel conversion rate or the hydrogen yield in the nitrogen-rich gas reach a set value, leading out the tail gas flowing out of the second product separation reactor; otherwise, introducing the nitrogen-rich gas flowing out of the second product separation reactor into the first product separation reactor to continuously participate in the reaction.

An energy conversion arrangement for an aircraft, an energy system and an aircraft comprising an energy conversion arrangement and / or an energy system are provided. The energy conversion arrangement includes a fuel conversion device, in particular a fuel cell system, configured to convert at least one fuel to electrical and / or mechanical energy, and at least one an exhaust outlet for letting out exhaust produced in the fuel conversion device by the fuel conversion, and at least one mixing assembly configured to merge a stream of further exhaust of the fuel conversion device with at least one stream of the exhaust from the at least one exhaust outlet.

An energy conversion arrangement for an apparatus, a corresponding energy system, in particular for powering a propulsion unit for propelling an apparatus, and an apparatus, in particular an aircraft, are provided, including a fuel conversion device, in particular a fuel cell unit, for generating electrical and / or mechanical energy by oxidizing a reductant contained in a fuel gas by an oxidant contained in a reactant gas, with at least one cathode element configured to provide electrons shed by the reductant and to be picked up by the oxidant during fuel conversion, at least one cathode channel configured to lead the reactant gas along the at least one cathode element, and at least one pre-heating duct configured to lead the reactant gas to the cathode channel and to heat up the reactant gas by heat provided by the reactant gas in the cathode channel.

The application 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 application obtains fuel reaction conversion results through obtained preparation reaction data, then judges whether to perform fuel reaction energy-saving management optimization according to the fuel reaction conversion results, finally obtains fuel recovery management results based on obtained preparation emission data and judges whether to perform fuel recovery energy-saving management optimization, realizes more efficient fuel energy-saving management in the high-purity hydrogen fluoride preparation process, and solves the problem of low fuel energy-saving management efficiency in the high-purity hydrogen fluoride preparation process in the prior art.