196 results about "Mixed fuel" patented technology

The invention discloses an amino mixed fuel explosion characteristic visualization and explosion suppression coordinated regulation and control system and method, and the system comprises an explosion suppression device which is disposed in a combustion chamber and is in communication connection with a holographic monitoring device and an explosion overpressure real-time prediction model. A graded explosion suppression scheme is set according to the safety early warning grade, so that active intervention of explosion suppression intensity and mode matched with combustion or explosion development stages with different intensities in the combustion cavity is implemented. Therefore, visualization of the mixed gas combustion and explosion dynamic process under the multi-parameter coupling condition can be achieved, and the comprehensiveness and reliability of combustion and explosion research are remarkably improved; through real-time monitoring and intelligent prediction of the explosion process, the explosion process in the device can be rapidly started, the explosion suppression response can be optimized, the explosion development can be suppressed, the integrity and operation safety of an experiment system can be guaranteed, and the intrinsic safety and the system protection capability of the experiment process can be effectively enhanced.

The invention discloses an intelligent prediction method and system for the alkali metal slagging tendency of a biomass gas coupled coal-fired boiler, and relates to the field of slagging tendency prediction.The intelligent prediction method comprises the steps that flue gas temperature data of a target area of a convection heating surface of the boiler is obtained, and the ash content melting characteristic temperature and alkali metal element content data of mixed fuel entering the boiler are obtained; performing physically constrained ash temperature-liquid phase yield adaptive correlation calculation, calculating coupling adhesion force, generating equivalent adhesion strength distribution of particle surfaces, counting particle turbulence collision physical parameters based on the equivalent adhesion strength distribution of the particle surfaces, and judging effective collision adhesion efficiency based on energy competition. The method comprises the following steps: calculating the agglomeration growth rate of ash particles in a flow field, outputting the spatial growth configuration of ash particle aggregates, carrying out macroscopic mechanical characteristic analysis and bridging stability judgment on an accumulation body at the throat part of the dry bottom hopper according to the spatial growth configuration of the ash particle aggregates, and outputting the blockage risk level of the dry bottom hopper, thereby effectively solving the blockage problem of the dry bottom hopper.

The application discloses a kind of layer board type ammonia-hydrogen mixed fuel nozzle, the nozzle includes bottom platform, cover and flow guide column, the fixed end and ammonia fuel import end of the flow guide column, the fixed end of the flow guide column is fixedly connected with cover, and the ammonia fuel import end of the flow guide column extends outward and penetrates bottom platform;The middle part of the flow guide column is provided with a plurality of ammonia fuel outlets;Flow guide column between bottom platform and cover is provided with by a plurality of first flow guide plate and second flow guide plate alternately arranged and formed layer board stack;The bottom platform is also provided with a plurality of hydrogen fuel inlet channels.The layer board type ammonia-hydrogen mixed fuel nozzle of the application is formed by layer board stack etched with multiple flow channels, and the function of directly injecting and mixing ammonia and hydrogen two fuels without mixing container can be realized.

The invention discloses a fuel detergent, a preparation method thereof and a mixed fuel. The fuel clearing agent comprises a clearing agent main agent and an optional auxiliary agent, and the clearing agent main agent comprises a pentene amine compound, polyether amine and a phenylacetone compound. The pentene amine compound, the polyether amine and the phenylacetone compound are combined, the pentene amine compound, the polyether amine and the phenylacetone compound are mixed for use to generate a synergistic effect, the cleaning effect of the fuel detergent can be remarkably improved, the polyether amine provides good dispersity and solubility, the phenylacetone compound can be fully dispersed in fuel, and the cleaning effect of the fuel detergent is improved. The ketone group of the phenylacetone compound can further enhance the removal capability of polyether amine to specific pollutants and improve the cleanliness of the fuel, and the pentene amine compound is combined, so that the combustion efficiency can be further improved and the emission of harmful gas can be further reduced.

The invention relates to the technical field of integrated energy system dispatching, in particular to an integrated energy system low-carbon dispatching method considering fuel gas hydrogen mixing and carbon transaction, which comprises the following steps of: constructing an integrated energy system model containing electric power, thermal power, natural gas and coupling equipment, and defining an electric hydrogen production process and an electric methane production process of power-to-gas equipment by the coupling equipment model; a fuel gas mixed hydrogen energy flow calculation model is constructed, a decomposition solution method is adopted for iterative convergence and dynamic calculation of a mixed fuel gas real-time heat value, and energy balance constraints are improved; constructing an optimal scheduling model considering the stepped carbon transaction, and taking the minimization of the total operation cost as a target; and applying hydrogen mixing proportion upper limit constraint, and cooperatively deciding power distribution and a hydrogen storage tank charging and discharging strategy through an optimization algorithm to solve a target function. According to the method, the energy flow calculation precision and the renewable energy consumption capability are improved, and collaborative optimization of system economy and environmental protection benefits is realized.

Whether the co-firing ratio is low or high, interlock control is appropriately implemented when the co-firing ratio fluctuates due to the influence of external disturbances. [Solution] This application relates to a gas turbine control device for controlling a gas turbine equipped with a fuel supply system that supplies a first mixed fuel of a first fuel and a second fuel to a first fuel nozzle. The gas turbine control device determines whether or not interlock control of the gas turbine is necessary by comparing the deviation between a target mixing ratio, which is a target value for the mixing ratio of the second fuel in the first mixed fuel, and the mixing ratio of the second fuel in the first mixed fuel, with a reference value. The reference value for determining whether interlock control is necessary differs between the first mixing ratio region, where the combustibility index of the first mixed fuel decreases with increasing mixing ratio, and the second mixing ratio region, where the combustibility index of the first mixed fuel increases with increasing mixing ratio.

The invention discloses a garbage incinerator combustion regulation and control system based on sludge atomization spraying and a regulation and control method, and belongs to the technical field of garbage combustion treatment. The regulation and control system comprises a garbage incinerator, a combustion monitoring unit, a dry sludge storage bin, a wet sludge storage bin, a sludge drying unit, a calculation control unit, a dry sludge feeding control unit and a wet sludge feeding control unit. The regulation and control method comprises the steps that the garbage incinerator is started; starting a combustion monitoring unit and a calculation control unit; the dry sludge is uniformly sprayed on a garbage bed layer through the dry sludge feeding control unit, and the overall regulation and control of combustion are realized from a fuel end; the wet sludge is accurately sprayed to an overtemperature area through a wet sludge feeding control unit, and the local temperature is reduced through heat absorption in the evaporation process; and the system automatically realizes closed-loop feedback and dynamic optimization. According to the method, the dual purposes of mixed fuel combustion stability and hearth local temperature field optimization control are achieved, and efficient and stable operation of the incineration process is effectively guaranteed.

The invention discloses a mixed fuel explosion limit rapid prediction and visual platform construction method, and relates to the technical field of explosion limit prediction modeling, and the method comprises the steps: obtaining a multi-source sample data set which comprises the explosion state labels of a plurality of mixed fuels under the conditions of different temperatures, pressures, equivalence ratios and diluent gases; based on the multi-source sample data set, performing training and hyper-parameter optimization on at least one machine learning classification model to obtain a trained explosion limit prediction model; obtaining state parameters of to-be-predicted mixed fuel input by a user through the constructed visual interaction platform, and calling the trained explosion limit prediction model to process the state parameters through the visual interaction platform to obtain an explosiveness prediction result; and carrying out fusion display on the explosiveness prediction result and an explosion limit distribution diagram generated based on the multi-source sample data set on a visual interaction platform. According to the invention, the efficiency and accuracy of mixed fuel explosion limit prediction are obviously improved.

The invention discloses a fuel supply device and a mixed fuel engine test bench, the fuel supply device comprises a raw material supply module, a fuel mixing module, a first conveying pipeline, a second conveying pipeline and a third conveying pipeline, the raw material supply module comprises a first fuel module and a second fuel module; the fuel mixing module comprises a mixed fuel storage tank and a weighing device, the weighing device is used for obtaining the mass change of the mixed fuel storage tank, the first conveying pipeline is connected between the first fuel module and the mixed fuel storage tank, and the second conveying pipeline is connected between the second fuel module and the mixed fuel storage tank. According to the invention, the weighing device is used for weighing the mixed fuel storage tank, so that the mixed fuel with an accurate proportion can be obtained in a test room, the waiting time cost in the test process is reduced, and the test efficiency is improved. The problem that the transportation cost and the transportation risk of the mixed fuel needed by the test are high is solved.

A method for combustion of an ammonia mixed fuel, according to one embodiment, comprises: a fuel adjustment step of preparing a mixed fuel containing ammonia and hydrogen by mixing ammonia and hydrogen such that hydrogen is mixed in an amount in excess of gaseous ammonia on a volume basis; and a combustion step of supplying the mixed fuel and oxygen to an ammonia combustion catalyst to perform combustion.

An internal combustion engine system (100) is described herein. An internal combustion engine system (100) uses one or more fuels that may be hydrophilic. The system uses a water measurement sensor to determine the water concentration in the hydrophilic fuel. To meet the power demand, the system uses the measured water concentration to modify the data stored in the fuel map (136). The fuel map (136) provides a pump speed and a fuel mixing ratio with respect to a given power level to the controller (134). The system receives the data and modifies the data based on the measured water concentration.

The invention relates to the technical field of liquid fuel engines, in particular to a valve injection structure integrated igniter which comprises a first valve shell, a second valve shell, a first hollow valve element assembly, a second hollow valve element assembly, a fluid driving assembly and a spark plug. When the second hollow valve element assembly moves upwards to jack up the first hollow valve element assembly, gas fuel enters the gas-oxygen channel, liquid fuel enters the kerosene channel, and the gas fuel and the liquid fuel are mixed at outlets of the kerosene channel and the gas-oxygen channel and then enter the fuel gas channel for ignition. Synchronous control over the first valve rod is achieved by controlling the second valve rod, so that propellant injection in the vapor-liquid dual-element propellant assembly is controlled at the same time, the response time of fuel injection is shortened, and reliable ignition is achieved.

The application discloses a cold-state testing device and method for ammonia-coal mixed fuel turbulent flow, wherein, during the testing process, media with different particle sizes are configured into testing media according to a preset mixing ratio of ammonia-coal fuel, the testing media is carried by primary air into a primary air pipe and into a chamber from an outlet end of the primary air pipe, and secondary air enters into an annular space through a cyclone and is mixed with the testing media entering from the primary air pipe. In this way, the actual mixing state of ammonia-coal mixed fuel in a burner is simulated. A laser Doppler wind speed measuring device is mainly used for measuring the average speed of gas phase / solid phase, the average speed of radial / tangential direction, the root mean square speed, the root mean square speed of radial / tangential direction and the average particle size distribution of particles in the burner, so that the turbulent flow characteristics of the ammonia-coal mixed fuel in the burner are obtained, the change rule of the turbulent flow characteristics in the burner is clarified, and the burner is designed and optimized.

The invention discloses an energy-saving and carbon-reducing method for thermal power generation, which relates to the technical field of thermal power generation and comprises the following steps: S1, flue gas pretreatment: performing pretreatment such as denitration, dust removal and desulfurization on flue gas discharged by a boiler of a power plant; s2, coal gas conversion is conducted, specifically, pipe surrounding is conducted on a coal gas conversion furnace, and filtered and discharged high-temperature waste gas about to enter an air pre-heater is pressurized through an induced draft fan and then sent to a decomposition position; s3, waste gas decomposition and mixing treatment is conducted, specifically, waste gas is introduced into each decomposition mixed fuel generating furnace through a waste gas operation pipeline and then sprayed into the furnace by controlling a flow gate valve, fuel in the decomposition mixed fuel generating furnace is set off C, and CO2 gas in the decomposition mixed fuel generating furnace is continuously decomposed till the CO2 gas is reduced into CO; s4, waste steam washing is conducted, specifically, waste steam obtained after C0 reduction is washed, particulate matter is used for conducting waste gas shearing and waste heat decomposition on waste gas, a combustible gas source is synthesized through temperature difference cooperation, and carbonization is achieved; and S5, waste gas recycling. The method saves energy and reduces carbon emission.

The invention belongs to the technical field of solid waste resource utilization and fuel preparation, and particularly relates to a method for preparing fuel oil from waste plastics or waste rubber. Comprising the following steps: S1, pretreating raw materials; s2, loading materials; s3, mechanochemical conversion: carrying out mechanical ball milling to break and convert molecular chains of the waste plastics or the waste rubber; and S4, product separation: carrying out solid-liquid separation on the ball-milled system, and collecting to obtain the hydrocarbon mixed fuel oil which is in a liquid state or a half-flow state at normal temperature. The method can be used for treating polyolefin and rubber wastes and a mixed system thereof, and is close to an actual complex waste plastic source; additional high temperature and organic solvents are not needed, the process is simplified, and energy consumption and environmental burden are reduced; under the synergistic effect of mechanochemistry and catalytic regulation, a normal-temperature flowable oil product can be stably obtained, and the carbon number and molecular weight distribution are more adaptive to the application scene of fuel oil; and reduction and high-value utilization of the waste plastics are realized, and a supplementary source is provided for fuel oil.

The utility model discloses a pilot deflagration ignition device system, which relates to the technical field of petrochemical torch combustion ignition systems, and comprises an incandescent light deflagration ignition pipeline, a pilot deflagration ignition pipeline, a pilot deflagration ignition pipeline and a pilot deflagration ignition pipeline, one end of the deflagration ignition ring pipeline is connected with the deflagration ignition ring pipe; an outlet of the deflagration mixed fuel gas unit is respectively connected with an incandescent light deflagration ignition control valve and an incandescent light deflagration ignition ring control valve, the incandescent light deflagration ignition control valve and the incandescent light deflagration ignition ring control valve are arranged in parallel, the incandescent light deflagration ignition control valve is connected with an incandescent light deflagration ignition pipeline, and the incandescent light deflagration ignition ring control valve is connected with a deflagration ring ignition pipeline; an inlet of the deflagration ignition unit is respectively connected with an air inlet pipe and a fuel gas inlet pipe; the control unit is in control connection with the incandescent light deflagration ignition pipeline, the deflagration ignition ring pipeline, the deflagration mixed fuel gas unit and the deflagration ignition unit; the ignition device system is simple in structure, successful ignition can be completed in a remote automatic or manual mode, and successful ignition can be completed in an on-site automatic or manual mode.

A fuel system includes a first fuel subsystem having a supply of a first fuel and at least one fuel pump to provide a high-pressure feed of a first fuel and a low-pressure feed of the first fuel. The fuel system also includes a second fuel subsystem having a supply of a second fuel, and a plurality of fuel injectors. Each fuel injector forms a high-pressure fuel inlet, a low-pressure fuel inlet, a second-fuel inlet, and a combined-fuel outlet passage. A first fuel admission valve is movable to admit the first fuel into the combined-fuel outlet passage displacing some of the second fuel to form a combined fuel charge. A second fuel admission valve admits the second fuel to the combined-fuel outlet passage. The first fuel may include a compression-admission fuel such as diesel, and the second fuel may include an alcohol fuel such as methanol. Providing the first fuel at two different fuel pressures enables the first fuel to serve lubrication and cooling purposes within fuel injector, whilst also providing a component of a segmented combined fuel charge or substantially all of a fuel charge.

The utility model discloses an air inlet mixer and an engine system, and belongs to the technical field of engines. According to the air inlet mixer and the engine system, air is introduced into the first channel through the mixing inlet, the fuel gas supply device introduces fuel gas into the first channel through the first air hole, the fuel gas and the air are mixed through the first-stage core body, and the mixed fuel gas and the mixed air enter the second channel; the arrangement of the first contraction section can form negative pressure, so that EGR waste gas introduced into the EGR cavity is sucked into the second channel through the EGR guide-in channel, mixed gas of fuel gas and air is fully mixed with the EGR waste gas, and the purposes of improving the gas mixing efficiency and mixing uniformity and improving the EGR rate are achieved. Due to the arrangement of the expansion section, the gas inlet efficiency and the gas mixing efficiency of EGR waste gas can be improved; and the temperature of the gas in the shell can be adjusted by introducing the temperature adjusting medium into the temperature adjusting cavity, so that the icing fault of the gas inlet mixer is avoided.

A burner apparatus and method of operating the burner apparatus include a burner housing, and a group of fuel and air swirlers maintained by the burner housing, with the group of fuel and air swirlers supplied by a common fuel and air source. The fuel and air can be directed to one or more of the fuel and air swirlers at a time. Each fuel and air swirler among the group of fuel and air swirlers can mix the fuel and the air, resulting in a combustible mixture of the fuel and the air downstream of the group of fuel and air swirlers. The burner apparatus be implemented as a low NOx multi-port burner apparatus.

The application discloses a multi-electrode continuous discharge spark discharge generating device, and relates to the field of aero-engine ignition. The spark discharge generating device comprises an ignition circuit and a multi-electrode spark plug. The multi-electrode spark plug comprises a metal shell and a plurality of central high-voltage electrodes arranged in the metal shell. The application matches the design parameters of the multi-electrode spark plug with the non-uniformity coefficient of the electric field in the ignition end face, and designs the ignition circuit, so that the maximum value of the delay difference between the breakdown time of two adjacent discharges is less than the arc duration time, the continuous discharge of the multiple electrodes is realized, the arc flame energy is higher, the contact area of the ignition arc and the mixed fuel is larger, the combustion in the combustion chamber is more uniform, the misfire rate of the spark plug is effectively reduced, and the operation reliability of the engine is improved.

The present disclosure relates to a mixing system (M1, M2, M3, M4, M5, M6) for controlling the mixing of a first gas stream with a second gas stream, said mixing system (M1, M2, M3, M4, M5, M6) comprising: a mixing line (23) for supplying a mixed stream of fuel for an engine at a predefined concentration range, said mixing line (23) being configured to mix said first gas stream with said second gas stream so as to obtain the mixed stream of fuel; a first feed line (11) being coupled to said mixing line (23) for supplying said first gas stream to said mixing line (23), said first gas stream comprising a first type of fuel gas; a second feed line (12) coupled to said mixing line (23) for supplying said second gas stream to said mixing line (23), said second gas stream comprising a second type of fuel gas that is different from the first type of fuel gas, the second type of fuel gas being selected from group of fuel gases which when mixed with the first type of fuel gas to form the mixed stream of fuel at the predefined concentration range of the second type of fuel gas, the heat content and / or energy content of the resulting mixed stream of fuel has a singularity across said predefined concentration range; a damping system including one or more of: (i) at least one gas control system (14, 33, 34) configured to adjust, in response to receiving at least one control signal, at least one gas stream parameter of the first gas stream and / or the second gas stream, said gas stream parameter comprising a flow or a pressure, and (ii) at least one pressure drop system (13) on the first feed line (11) being configured to adjust a first parameter of the first gas stream, wherein said first parameter is a pressure, said pressure drop system (13) being configured to maintain a differential pressure value across the pressure drop system (13) at a reference pressure drop value, to reduce pulsation associated with the mixed stream during mixing of the first gas stream with the second gas stream.

The application discloses a biomass gas coupling coal-fired boiler alkali metal slagging tendency intelligent prediction method and system, relates to the field of slagging tendency prediction, obtains flue gas temperature data of a target area of a boiler convection heating surface, obtains ash fusion characteristic temperature and alkali metal element content data of mixed fuel fed into the boiler, performs self-adaptive correlation calculation of ash temperature-liquid phase yield under physical constraints, calculates coupling adhesion force, generates particle surface equivalent adhesion strength distribution, based on the particle surface equivalent adhesion strength distribution, counts particle turbulent collision physical parameters, determines effective collision adhesion efficiency based on energy competition, calculates the agglomeration growth rate of ash particles in a flow field, outputs ash particle agglomerate spatial growth configuration, according to the ash particle agglomerate spatial growth configuration, performs macroscopic mechanical characteristic analysis and bridge stability determination on the accumulation body of the throat of a cold ash bucket, and outputs an ash bucket blockage risk level, thereby effectively solving the cold ash bucket blockage problem.

The invention provides a pump pressure type variable working condition engine semi-system dynamic characteristic cold regulation test system and test method. The test system comprises a fuel auxiliary path, an oxidant auxiliary path, a mixed fuel backflow path and an oxidant main path. The fuel auxiliary path comprises a fuel auxiliary path pipeline, and the other end of the fuel auxiliary path pipeline is divided into a fuel auxiliary path outflow pipeline and a fuel supply pipeline. The system further comprises a mixing ratio adjusting valve, one input end of the mixing ratio adjusting valve is connected with the fuel supply pipeline, the other input end of the mixing ratio adjusting valve is connected with an oxidizing agent auxiliary pipeline of the oxidizing agent auxiliary pipeline, and the output end of the mixing ratio adjusting valve is connected with a mixed fuel backflow pipeline of the mixed fuel backflow pipeline. The oxidizing agent main path comprises an oxidizing agent main path throttling branch pipe, and three ports are formed in the oxidizing agent main path throttling branch pipe and communicate with the oxidizing agent auxiliary path pipeline, the oxidizing agent inlet end and the oxidizing agent main path outlet pipeline correspondingly; flexible switching of different processes such as main working condition starting, main working condition-throttling working condition switching, throttling working condition-main working condition switching and steady-state working can be achieved through simple valve time sequence control.

Alcohol based unleaded automotive racing fuels, using blends of four basic chemical components, including ethanol, methanol, toluene, and isopentane and / or cyclopentane. Mixtures provide increased power, and better charge cooling than conventional racing gasolines, whether leaded or unleaded. The claimed racing fuel blends do not include gasoline, isooctane, or alkylate fractions common to alcohol-gasoline mixtures such as E85 alcohol based fuels. The novel fuel blends claimed can be manufactured from commonly available pure chemical components, and make possible distributed manufacture of automotive racing fuels.

The invention belongs to the field of unmanned aerial vehicle refueling, and particularly relates to an unmanned aerial vehicle refueling system and method. In order to reduce the occupied space of the refueling system and ensure that mixed fuel oil is evenly mixed, the unmanned aerial vehicle refueling system comprises a lubricating oil container, a refueling butt joint mechanism and an aviation kerosene container communicated with the refueling butt joint mechanism through a main pipeline, and a metering pumping mechanism is arranged on the main pipeline. The lubricating oil container is located above the main pipeline and communicated with the main pipeline through an auxiliary pipeline, and a flow valve is arranged on the auxiliary pipeline. The communicating position of the auxiliary pipeline and the main pipeline is located on the downstream of the metering pumping mechanism, and a pipeline stirrer is arranged on the portion, located between the communicating position of the auxiliary pipeline and the main pipeline and the refueling butt joint mechanism, of the main pipeline. The invention further correspondingly provides an unmanned aerial vehicle refueling method. In the invention, the gravity and the kinetic energy of the oil are reasonably utilized, so that only one metering pumping mechanism is utilized for refueling, the occupied space is reduced, and the oil is mixed twice to ensure uniform mixing.

This invention discloses a high-pressure preparation container for bulk micro / nanoscale bubbly flow premixed fuel, belonging to the field of engine fuel pretreatment technology. The high-pressure preparation container includes a container body and a lid. The lid has an oil inlet, an air inlet, and an oil outlet. The air inlet is connected to a bubble generator located inside the container. The oil inlet supplies fuel to the high-pressure preparation container by opening and closing a one-way solenoid valve. The lid also has a pressure relief valve and a safety valve. The pressure relief valve controls the ambient pressure inside the container. When the ambient pressure exceeds a safety threshold, the safety valve opens, releasing the gas inside the container. This invention allows for flexible adjustment of the fuel preparation environment pressure, enabling the preparation of target fuel at an environmental pressure higher than atmospheric pressure, significantly improving the concentration and stability of micro / nano bubbles in the bulk micro / nanoscale bubbly flow premixed fuel.

According to an embodiment, a burner system provides a flow of premixed fuel and flue gas, and combustion airflow is provided at an intended distal flame front position. The burner system may include a pilot burner. A burner system may include a pre-mix pilot burner. In an embodiment a main fuel may include a high hydrogen content.

The invention discloses a self-adaptive control method for a low-carbon multi-fuel internal combustion engine based on fuel activity online identification, which comprises the following steps of: acquiring a pressure signal in a cylinder and a crank angle signal, calculating an instantaneous apparent heat release rate, and extracting waveform topological characteristics of the heat release rate; inputting the extracted heat release rate waveform topological features into the trained fuel activity mapping model to obtain an equivalent reaction activity index of the current mixed fuel; based on the equivalent reaction activity index, dynamically interpolating in a map database or switching to a corresponding reference control strategy, determining a basic value of a control parameter under the current working condition, and performing closed-loop increment correction on the control parameter based on the deviation between the current combustion parameter and a target parameter to obtain a correction value, and performing one-cycle control by taking the sum of the basic value and the correction value as a final value of the control parameter. The invention further discloses a corresponding control system. The combustion stability of the internal combustion engine under the multi-fuel variable working condition can be ensured without knowing the specific fuel type.

The invention relates to a gas engine, in particular to a fast dynamic response oil field well drilling gas engine and a working method.The fast dynamic response oil field well drilling gas engine comprises a natural gas and air mixer, an engine combustion chamber and an ECU central control unit and further comprises a natural gas header pipe and a high-pressure injection branch pipe connected with the natural gas header pipe, and the high-pressure injection branch pipe is connected with the engine combustion chamber; high-pressure fuel gas is injected into an engine combustion chamber; the mixed fuel gas is sprayed into the engine combustion chamber after being supercharged by the waste turbocharger through the supercharged mixed fuel gas pipeline; the ECU central control unit dynamically adjusts the injection amount of the mixed gas and the injection amount of the high-pressure gas so as to achieve closed-loop control. According to the improvement, the response speed of an existing gas engine is increased, a drilling unit is converted into a generator set with natural gas power, under the condition that natural gas serves as fuel, the dynamic response performance is equivalent to that of an original diesel engine, and the requirements of special working conditions of a drilling machine are met.

This invention discloses a fuel mixing system and experimental method for extreme environment testing of sustainable aviation fuel. The fuel mixing system includes a fuel mixing system, an extreme environment simulation system, an aircraft engine / combustion experimental system, and a fuel supply and return flow regulation system. The fuel mixing system is used to uniformly mix different types of aviation fuel to form a mixed fuel. The extreme environment simulation system is connected to the fuel mixing system and is used to simulate various extreme environments during the delivery of the mixed fuel. The fuel supply and return flow regulation system is connected to the extreme environment simulation system, the aircraft engine / combustion experimental system, and the fuel mixing system, respectively, and is used to regulate the mixed fuel supplied to the aircraft engine / combustion experimental system and return excess fuel to the fuel mixing system in an adjustable flow manner. This invention can test aviation fuel containing sustainable aviation fuel under various extreme environments.