701 results about "Liquid fuel" patented technology

An integrated process having an ultra-low GHG footprint for converting Camelina based biomass to liquid fuels and lubricant base stocks in which a Camelina based biomass feed is converted to liquids by a multistep hydroprocessing method and the liquids are upgraded to produce premium hydrocarbon fuels and lubricants.

A gas turbine engine, comprising: a compressor section, a combustion section, and a turbine section in a serial flow arrangement, with the combustion section comprising: a combustor liner that at least partially defines a combustion chamber; and a fuel nozzle assembly, comprising: a liquid fuel supply to supply a liquid fuel; a hydrogen fuel supply to supply a gaseous hydrogen fuel; and a fuel nozzle body defining a fuel nozzle assembly centerline, the fuel nozzle body fluidly coupled with the liquid fuel supply and the hydrogen fuel supply to provide the liquid fuel and the gaseous hydrogen fuel to the combustion chamber.

Internal combustion engine (1) with at least one combustion chamber (2), at least one prechamber (3) for the at least one combustion chamber (2) and an intake system (4), wherein the intake system (4) comprises : - a liquid fuel supply (9) configured to provide a liquid fuel, - an air-fuel-mixer (10) mixing air with liquid fuel from the liquid fuel supply (9) and providing an air-fuel- mixture, - a combustion chamber intake manifold (7) leading into the at least one combustion chamber (2) and - a prechamber intake manifold (8) leading into the at least one prechamber (3), wherein the air-fuel-mixer (10) is part of the prechamber intake manifold (8) for admixing the liquid fuel to the air in the prechamber intake manifold (8).

According to the warm air control system suitable for new energy vehicle type waste heat utilization and the new energy vehicle, the waste heat controller is arranged to be coordinated with the warm air control device, and waste heat of the heat dissipation component is conveyed to warm air in the vehicle through a water way at a proper time by setting a waste heat utilization program; and meanwhile, according to the actual water temperature state, heat is supplemented through the liquid fuel oil heater or the PTC electric heater. Waste heat of the heat dissipation component is reasonably utilized, and electric energy consumed by the vehicle for obtaining heat is reduced.

The utility model belongs to the field of hypersonic propulsion, particularly relates to a preheated liquid fuel single droplet generation system under a high-speed incoming flow condition, and aims to solve the problem that in the prior art, a system capable of illustrating different broken forms of preheated liquid fuel single droplets and a droplet breaking kinetic model under the high-speed incoming flow condition is lacked. The kerosene instillation test bench comprises a test bench, a high-speed incoming flow generation system and a kerosene instillation controller, the high-speed incoming flow generation system and the kerosene instillation controller are both fixedly arranged on the test bench, and the input end of the high-speed incoming flow generation system is communicated with the output end of the kerosene instillation controller. According to the method, different broken forms of a single droplet of the preheated liquid fuel and a droplet breaking kinetic model under the high-speed incoming flow condition are clarified, the understanding of the physical process of secondary atomization of transverse injection of different preheated liquid fuels under the high-speed incoming flow condition can be deepened, and meanwhile, a reference is provided for engineering application of an engine injection scheme.

A gas turbine engine, comprising: a compressor section, combustion section, and turbine section in serial flow arrangement, with the combustion section comprising: a combustor liner that at least partially defines a combustion chamber; and a fuel nozzle assembly, comprising: a liquid fuel supply to supply a liquid fuel; a hydrogen fuel supply to supply a gaseous hydrogen fuel; and a fuel nozzle body fluidly coupled with the liquid fuel supply and the hydrogen fuel supply to provide the liquid fuel and the gaseous hydrogen fuel to the combustion chamber.

A fuel can includes a can body, the can body contains liquid fuel and a wick with its lower end immersed in the liquid fuel, and a top cover is provided at a top of the can body. The top cover includes a ring-pull cap and a sealing cap, the ring-pull cap consists of an outer ring and a tear-off piece, the outer ring is connected to an upper opening of the can body in a sealing manner, and the sealing cap is buckled at a top end of the outer ring; a tray is provided at an upper end of the can body, and a periphery of the tray is connected to an inner wall of the can body in a sealing manner, and at least one fixing mouth for fixing the upper end of the wick provided in a middle of the tray.

The invention discloses a porous medium sweating and cooling combustion chamber based on a ceramic matrix composite material, and relates to the technical fields of gas turbines, new energy and the like. In order to solve the problem of combustion instability such as combustion oscillation of a traditional gas turbine combustion chamber, a ceramic-based porous medium combustion chamber structure is adopted, liquid fuel infiltrates from the outer wall face of a porous medium and is evaporated and gasified on the inner wall, and then combustion occurs. The gasification reaction of the liquid fuel in the porous medium and on the wall surface can take away a large amount of heat, so that the effects of heat insulation, heat protection and wall surface cooling are achieved, and the combustion chamber can be protected from thermal damage. On the other hand, traditional jet flow or rotational flow combustion is replaced by wall face evaporation combustion, and combustion oscillation caused by uneven mixing or jet flow is avoided.

The invention discloses a rotating detonation afterburner based on centrifugal nozzle discrete injection, and belongs to the technical field of detonation propulsion. The combustion chamber comprises a gas collecting cavity, an injection unit, a centrifugal nozzle, an outer ring and an inner column, wherein an annular detonation combustion chamber is formed between the inner wall surface of the outer ring and the outer wall surface of the inner column. The centrifugal nozzles are uniformly arranged at the intersection of the gas collection cavity and the injection unit in the circumferential direction to realize primary atomization of the fuel oil; the air is accelerated by the injection unit from the air collection cavity and then is mixed with the atomized fuel oil, secondary atomization is achieved, the particle size of liquid drops is remarkably reduced, and the fuel activity and mixing uniformity are improved. The injection unit adopts a Laval nozzle profile, air is accelerated to supersonic speed in the injection unit, and pressure of a combustion chamber is prevented from being transmitted forwards. The rotary detonation engine is suitable for the high-temperature low-oxygen environment, supports the annular combustion chamber configuration and the empty cylinder combustion chamber configuration, can achieve stable rotary detonation detonation and propagation of liquid fuel and air, and provides technical support for engineering application of the rotary detonation engine.

An injector assembly for a gas turbine for introducing a gaseous fuel, liquid fuel and air into a combustion chamber, includes an injector shaft and an injector main body aligned along an injector longitudinal axis. The injector main body includes a first gas duct arranged centrally on the injector longitudinal axis, for introducing a gas flow into the combustion chamber; an air duct arranged radially around the outside of the first gas duct, and a liquid fuel injection arranged radially around the first gas duct for introducing the liquid fuel into the combustion chamber. The injector assembly introduces the gaseous fuel. The injector assembly is switchable between two configurations during operation: in a first configuration, air flows through the first gas duct, as an air injection; in a second configuration, the gaseous fuel flows through, as a gas fuel injection.

The invention discloses a high-pressure gas supply system with a combined high-pressure injection reliquefaction function, which belongs to the technical field of high-pressure gas supply and reliquefaction of ships and comprises a high-pressure gas supply system and a high-pressure injection reliquefaction system sharing a high-pressure compressor unit with the high-pressure gas supply system. The high-pressure gas supply system compresses and cools fuel cabin evaporation gas through a high-pressure compressor unit and then conveys the fuel cabin evaporation gas to the main machine through a high-pressure gas supply pipeline to supply energy to the main machine. The high-pressure injection reliquefaction system injects part of boil-off gas compressed by the high-pressure compressor unit into a condensation tank by means of an injection pump, the boil-off gas in the tank is condensed into liquid fuel to be conveyed back to a fuel cabin, and the uncondensed boil-off gas enters the high-pressure compressor unit again through a pipeline to be compressed and is conveyed into the condensation tank again through the injection pump to be liquefied. By sharing the high-pressure compressor unit, single equipment has the functions of high-pressure gas supply and reliquefaction, stable energy supply of a main engine is guaranteed, meanwhile, boil-off gas is recycled, the depressurization requirement and storage safety of a fuel cabin are met, the pipeline complexity and space occupation are reduced, and the cost is reduced.

The invention discloses a forward development and optimization design method for an engine liquid fuel atomization system, and relates to the field of optimization of a spray combustion system.The forward development and optimization design method comprises the steps that a numerical simulation method is adopted to conduct spray simulation, and high-precision transient three-dimensional spray characteristics are calculated; sampling by using a scrambling Holton sampling method, and constructing an initial sample library; constructing an agent model and training to obtain a low-precision agent model; performing multi-objective optimization by using an NSGA-II genetic algorithm based on the model to obtain a Pareto frontier solution; adopting K-means clustering to classify Pareto frontier solutions, select a finite solution set and calculate prediction and simulation errors, if requirements are met, outputting a high-precision proxy model, otherwise, screening potential optimal sample points based on an expected improvement function, and adding the potential optimal sample points into a sample library for retraining; and on the basis of the high-precision agent model, according to the optimization target, structure parameters and injection parameters are reversely deduced. By comprehensively adjusting the structure and working condition parameters, the mixing quality of fuel and air is remarkably improved, the combustion efficiency is improved, and emission is reduced.

A combustion device and a method for operating the same are disclosed. The combustion device uses at least 90 wt% of a propylene glycol-based liquid fuel and includes a first fuel tank, a second fuel tank, a pipe, and a driving unit. The first fuel tank is configured to contain the propylene glycol-based liquid fuel and is provided with a metal wick. A sensing unit is disposed in the first fuel tank and is configured to receive a start signal and to sense a liquid level of the propylene glycol-based liquid fuel in the first fuel tank, and to send a refueling signal. The second fuel tank is configured to contain the propylene glycol-based liquid fuel. The pipe is configured to communicate the first fuel tank and the second fuel tank. The driving unit is disposed on the pipe and is configured to receive the refueling signal, and to supplement the propylene glycol-based liquid fuel in the second fuel tank to the first fuel tank via the pipe, so as to achieve the effects of automatic refueling and cooling the wick.

The application discloses an energetic material, a preparation method thereof and application of the energetic material as explosives and self-ignition propellants. I C 12 H 12 N 10 or M Ⅱ C8H6N8; wherein, M I is selected from Co, Ni and Cu; M Ⅱ is selected from Zn. The energetic material is convenient to synthesize, has good thermal stability, excellent mechanical sensitivity, excellent propelling performance and specific impulse, has a significant energy density advantage, can effectively solve the problem of continuous evaporation of hydrazine propellants during storage, avoid the risk of internal pressure increase of a fuel tank, and overcome the problems of liquid fuel in the storage and transportation process. Therefore, the innovative high-performance energetic material has excellent performance and wide application potential, and has great commercial value in the fields of aviation, aerospace and military.

The utility model discloses a biological liquid fuel storage tank which comprises a tank body, a driving pump, a switching mechanism and a triggering mechanism, and a liquid inlet and a liquid outlet are formed in the tank body; the inlet end of the driving pump is communicated with an oil supply pipeline, and the outlet end of the driving pump is communicated with the liquid inlet; the switch mechanism comprises an electrode and a contact, the electrode and the contact are electrically connected with the driving pump, and the contact abuts against or is separated from the electrode, so that the driving pump is in a power-on or power-off state; the trigger mechanism floats on the liquid level and is connected with the contact, so that when the liquid level descends to a preset liquid level, the contact abuts against the electrode. The device has the advantages that when biological liquid fuel produced on a production line is pumped into the storage tank through the pump to be stored, automatic starting and stopping of the pump can be achieved, manual starting and stopping of the pump are not needed any more, and the device is very convenient to use.

The utility model discloses a vehicle heating ventilation air-conditioning system and a vehicle comprising the same, the system comprises an air-conditioning air bellow shell, the air-conditioning air bellow shell comprises an air-conditioning air bellow air inlet and a compartment air outlet, and an air-conditioning air bellow air blower for sucking air into the air bellow shell is arranged at the air-conditioning air bellow air inlet; the fuel oil warm air core body is provided with a combustion chamber, and the fuel oil warm air core body is provided with a fuel oil warm air core body air inlet used for leading air into the combustion chamber, a fuel oil warm air core body oil inlet used for leading liquid fuel into the combustion chamber, and a fuel oil warm air core body oil inlet embedded in an air conditioner air bellow shell. The fuel oil warm air core body heat exchange part is used for exchanging heat with air in the air conditioner air bellow shell by utilizing high-temperature flue gas generated by combustion of the combustion chamber, and a fuel oil warm air core body exhaust port for exhausting tail gas after heat exchange is further formed in the fuel oil warm air core body. Fuel oil is used as a heat source to replace PTC to heat the compartment, power consumption during heating is reduced, and therefore the endurance of the electric vehicle under the low-temperature condition is improved.

The present invention relates to particular combustors, and e.g., to a combustor comprising a central primary fuel lance, a pilot fuel conduit, a primary oxidant conduit, a secondary oxidant conduit, and optionally a secondary fuel conduit, which are arranged in a particular and advantageous manner so as to surround each other at least in their downstream sections. The invention also relates to a furnace comprising the burner and a method of operating the burner. The burner according to the invention provides, in particular, a particularly advantageous way that comprises a pilot burner as part of the main burner in order to ignite a liquid fuel flame in a cold furnace. If desired, the pilot flame may help extend the flammability limit or operating range of the liquid fuel burner.

The invention relates to a fuel storage device, comprising: a storage barrel comprising a barrel body, a barrel cover and a partition plate; the containing pipe extends downwards from the partition plate to the fuel containing space, a plurality of liquid level detection holes arranged at intervals in the height direction are formed in the pipe wall, and a flow guide hole is formed in the height position close to the lower surface of the partition plate. One end of the fuel output pipe penetrates through the barrel wall of the barrel body at the height lower than that of the flow guide hole of the containing pipe to form a fuel output end, and the other end of the fuel output pipe extends downwards to the bottom position of the fuel containing space; the plurality of liquid level sensors are arranged in the accommodating pipe; and the control device comprises a sensing information processing unit and a cloud transmission unit, and the liquid level sensing information of the liquid fuel is obtained through the plurality of liquid level sensors and is transmitted to a cloud device.

The utility model relates to the technical field of kitchen utensils, and provides a novel furnace end which comprises a furnace end body provided with a combustion cavity, an ignition needle used for igniting liquid fuel and a heating device used for preheating the liquid fuel to promote gasification of the liquid fuel are arranged on the combustion cavity, and the furnace end body is provided with an air inlet device. A plurality of circles of air inlet channels which are arranged at intervals in the circumferential direction and penetrate through the side portion of the combustion cavity are formed in the side portion of the combustion cavity, the input end of the air inlet device communicates with outside air, the output end of the air inlet device communicates with the air inlet channels, and the outside air enters the combustion cavity through the air inlet device and the air inlet channels and forms spiral airflow spirally flowing in the combustion cavity. After being gasified, the liquid fuel is mixed with the spiral air flow, so that the gasified liquid fuel is fully combusted, and the technical problem that carbon black is easily generated in a combustion cavity due to insufficient combustion after the liquid fuel of an existing furnace end is gasified is effectively solved.

The application relates to the technical field of quick connectors, in particular to a liquid fuel loading and unloading quick connector capable of reducing residual liquid discharge, which comprises a connector pipe, a valve core, a telescopic mechanism arranged on one end of the valve core close to an outlet of the connector pipe, and a control mechanism arranged on the connector pipe and in transmission connection with the valve core and the telescopic mechanism. The control mechanism is used for controlling displacement of the valve core, so that a sealing surface of the valve core is in contact with or separated from a counter connector, the connector pipe is blocked or opened, and the telescopic mechanism is synchronously controlled to be retracted or extended by the control mechanism when the valve core is displaced. In use, the control mechanism is used for controlling displacement of the valve core, the connector pipe is blocked and opened, the telescopic mechanism is used for changing a flow area of the liquid fuel in the connector pipe, the liquid fuel is conveniently passed, and residual liquid is discharged.

The application discloses a kind of adjustable liquid fuel atomizing nozzles, multiple tangential grooves are formed uniformly in the circumferential direction in the inner wall of the core swirl part of swirl core before core swirl part;Center body adjusting surface part and swirl chamber main part wall and swirl chamber contraction part wall form swirl chamber cavity, liquid is sprayed into swirl chamber from tangential groove, and does centrifugal motion in swirl chamber cavity, and finally is sprayed from nozzle outlet;Center body adjusting surface part is inserted into the core swirl part of swirl core and cooperates with the gap between the inner wall of core swirl part, increase the depth of center body adjusting surface part inserted into the core swirl part of swirl core, can reduce the cross-sectional area of tangential groove, make swirl intensity strengthen, atomization angle increase, atomization effect is improved.The adjustable liquid fuel atomizing nozzle of the application can be applied to various occasions, can make the application range of various products wider, more flexible, and can adjust atomization characteristics according to actual situation.

The invention relates to an injector arrangement (100) for a gas turbine, in particular an aircraft engine, for introducing a gaseous fuel (31) and a liquid fuel (32) as well as air (30) into a combustion chamber (BK), having an injector shaft (1) and an injector main body (22) aligned along an injector longitudinal axis (L), wherein the injector main body (22) comprises: - a first gas channel (40) arranged centrally on the injector longitudinal axis (L) for introducing a gas flow into the combustion chamber (BK), - at least one air duct (5, 133, 134) arranged radially outwardly around the first gas duct (40) and - a liquid fuel injector (6) arranged radially around the first gas channel (40) for introducing the liquid fuel (32) into the combustion chamber (BK), wherein the injector arrangement (100) is additionally configured for introducing the gaseous fuel (31). Advantageous emission characteristics are obtainable in that the injector arrangement (100) is designed to assume, in particular, two alternative configurations, between which the injector arrangement (100) can be switched during operation, wherein the first gas channel (40) can be flowed through in a first configuration with air, functioning as an air injection, and in a second configuration with the gaseous fuel (31), functioning as a gaseous fuel injection.

A throttle body arrangement (10) for an internal combustion engine (12), comprising: a throttle body (18) with a pressure chamber (100) in which a supply quantity of liquid fuel is received through a fuel inlet (104) and an outlet (120), and a throttle bore (20) with an inlet (22) through which air is received; a throttle valve (52) carried by the throttle body (18) with a valve head (54) movable relative to the throttle bore (20) to control fluid flow through the throttle bore (20); a metering valve (28; 152) carried by the throttle body (18) and comprising an electrically driven actuator (72) with a valve element (68) that is movable by the electrically driven actuator (72) between an open position in which fuel can flow from the pressure chamber outlet (120) into the throttle bore (20) and a closed position in which less fuel flows through the metering valve (28; 152) and into the throttle bore (20) compared to when the valve element (68) is in the open position, and wherein less fuel includes the state in which no fuel flows through the metering valve (28); and a valve arrangement (106) comprising a valve (108) movable relative to a valve seat (110) to control fuel flow into the pressure chamber (100) through the fuel inlet (104), and a float (112) coupled to the valve (108) to move the valve (108) into a closed position against the valve seat (110) when a threshold level of fuel is present in the pressure chamber (100), characterized in that The throttle body (18) also has a vent (102) which is connected to the pressure chamber (100) and through which gaseous substances in the pressure chamber (100) can escape from the pressure chamber (100).

The invention relates to a cold start method suitable for a liquid fuel reforming hydrogen production gasification reactor, which comprises the following steps: reacting a reduced metal catalyst in the gasification reactor with air entering the gasification reactor to release heat at ambient temperature; when the temperature in the gasification reactor is raised to the gasification temperature of the low-boiling-point liquid due to heat release, the low-boiling-point liquid enters the gasification reactor and is gasified; the gasified low-boiling-point liquid and air entering the gasification reactor are subjected to catalytic combustion reaction and heat release; when the temperature of the gasification reactor rises to the gasification temperature of the reforming hydrogen production liquid fuel due to heat release, the reforming hydrogen production liquid fuel enters the gasification reactor for liquid gasification, and the gasified liquid fuel is used for reforming hydrogen production reaction. The method basically consumes no electric energy and is low in energy consumption; liquid fuel gasification is carried out through chemical reaction heat release, and the advantages of large heat release amount, short gasification time and the like are achieved; air and methanol are used in the gasification process, and cost is low.

The utility model discloses a kind of vaporization combustion furnace heads, the furnace head is divided into two parts, different materials can be prepared, a vaporization cavity is provided in each part, two vaporization cavities are communicated by external elbow connector pipe, by setting two vaporization cavities to sufficiently vaporize liquid fuel, improve combustion quality, liquid fuel connector, gas nozzle, ignition needle, safety needle and electrode are set on the lower end head located below, install steel sleeve in combustion space to protect upper connector, simultaneously block the gap between upper connector and lower end head, improve the use experience of furnace head whole.

The invention discloses a fuel cell air supply system based on liquid fuel reforming and an operation method. The system comprises an air filter, the output end of the air filter is connected with an air compressor through a gas pipeline, and the outlet end of the air compressor is connected with a cooler through a gas pipeline; the outlet end of the cooler is connected with a gas buffer tank, the output end of the gas buffer tank is connected with two types of output pipelines, the first type is a fuel cell gas supply pipeline and comprises a first fuel cell air path regulating valve, a second fuel cell air path regulating valve, a third fuel cell air path regulating valve and an Nth fuel cell air path regulating valve, and the Nth fuel cell air path regulating valve is a fuel cell gas supply pipeline. And the second type is a fuel processor gas supply path. According to the system, a single air compressor is matched with a plurality of high-temperature proton exchange membrane fuel cells and a fuel processor, so that the system process is simplified, parts are reduced, and the system reliability is improved; in the starting stage, the rotating speed of the air compressor is adjusted to be matched with the effective drift diameter of the fuel processor air path adjusting valve, surge of the air compressor is avoided, and the service life of the system is prolonged.

The present invention provides a system (1) to prevent the formation of fuel vapors comprising a containment tank (10) and a variable volume tank (12) accommodatable within the containment tank (10), wherein the variable volume tank (12) is configured to receive liquid fuel. Our invention can be used in any tanks or reservoirs of liquid products that attack the ozone layer, preventing the formation of vapors that are extremely harmful to nature and the environment.

A bi-functional reactor and method for producing liquid fuels by reducing CO2 and oxidizing CH4. The reactor includes a vessel having first and second compartments separated by a membrane permeable to water. The first compartment is a catholyte chamber having an inlet, outlet, an electrode for reduction, and catholyte solution. The inlet of the catholyte chamber allows CO2 to flow as a feedstock into the first compartment, while the outlet allows excess CO2 and gaseous reduction products to exit the compartment. The second compartment is an anolyte chamber having an inlet, outlet, an electrode for oxidation, and anolyte solution. The inlet of the anolyte chamber allows CH4 to flow as a feedstock into the second compartment, while the outlet allows excess CH4 and gaseous oxidation products to exit the compartment. CO2 is reduced in the catholyte chamber and CH4 is oxidized in the anolyte chamber to form liquid fuels.

A primary object of the present invention is to alleviate constraint on a place where a carbon dioxide-capturing system is installed, and / or to stably secure a CO2 supply source and / or cooling energy in a liquid fuel production system. According to an embodiment of the present invention, provided is a liquid fuel production system including: a gas-adsorbing / desorbing portion configured to adsorb a predetermined gas A, and to desorb the gas A by being heated; a heating medium-supplying portion configured to supply, to the gas-adsorbing / desorbing portion, a heating medium for heating the gas-adsorbing / desorbing portion; a liquid fuel-synthesizing portion including a first gas flow path storing a catalyst that advances a conversion reaction from a raw material gas containing at least carbon dioxide and hydrogen to a liquid fuel, and a second gas flow path through which a temperature-controlling gas that controls a temperature of the first gas flow path is flowed, the liquid fuel-synthesizing portion being configured to flow a first outflow gas out of the first gas flow path, and to flow a second outflow gas out of the second gas flow path; and a heat exchanger configured to perform heat exchange between the first outflow gas and the heating medium to heat the heating medium. The first outflow gas contains a condensable gas.

The invention belongs to the technical field of ignition, and discloses a three-component pintle rotational flow torch igniter. According to the three-component pintle rotational flow torch igniter, liquid fuel is jetted through the central pintle rotational flow nozzle, and a gas oxidizing agent is jetted through the peripheral rotational flow nozzle. The liquid fuel from the pintle swirl nozzle moves in the radial direction, and the gas oxidizing agent from the swirl nozzle rotates in the axial direction, so that the interaction between the liquid fuel and the gas oxidizing agent is enhanced, the atomization quality is improved, and the ignition success rate is further improved. Besides, the flame temperature of the torch igniter is increased through secondary oxygen or air jetted from the body part of the torch igniter, and meanwhile, the wide-range adjustment of the flame temperature of the torch igniter is realized. The device is suitable for large combustion devices such as liquid rocket engines, gas generators and combustion heaters.