203 results about "Aviation kerosene" patented technology

The invention belongs to the technical field of aircraft oil leakage monitoring, and relates to an aircraft oil leakage detection method based on a high-sensitivity mass spectrometry technology, and the method comprises the steps: obtaining a time-resolved mass spectrogram of aviation kerosene molecules in a sample testing stage, and storing the time-resolved mass spectrogram in a database; then oil gas molecules are captured at leakage-prone points of an aircraft pipeline system through a gas collection probe, the captured oil gas molecules are transmitted to an ion source end of a proton transfer reaction mass spectrometer through a negative pressure transmission system to be ionized to generate ions, and the ions are analyzed by a mass analysis system to obtain a mass spectrum; comparing the mass spectrogram obtained by analysis with a time-resolved mass spectrogram in a database, and judging whether leakage occurs or not; based on the method, the problems of insufficient anti-interference capability, difficulty in sample collection and the like of a high-sensitivity mass spectrum oil gas leak detection method can be solved in a targeted manner, and the functions of environmental interference suppression, efficient collection of oil gas molecules, improvement of spatial scanning resolution and the like can be realized at the same time.

The present invention discloses a method, device and application for producing aviation kerosene from methanol, and belongs to the field of petrochemical product processing technology. The method comprises: generating a methanol dehydration reaction product from a methanol raw material under the catalytic action of a first molecular sieve catalyst, separating and treating the methanol dehydration reaction product, and then mixing it with one or more of recycled fuel gas, recycled liquefied gas or recycled gasoline under the catalytic action of a second molecular sieve catalyst to generate a reaction oil gas, the reaction oil gas is fractionated to obtain a kerosene fraction, and the kerosene fraction is subjected to a hydrogenation and refining treatment to obtain aviation kerosene. The method for producing aviation kerosene using methanol as a raw material provided by the present invention has opened up a new way to produce aviation kerosene; the process flow is short and compact, and can effectively achieve energy conservation and emission reduction.

The invention relates to a heterogeneous catalysis technology, and aims to provide a method for improving the yield of components of aviation kerosene prepared by ethylene oligomerization through combination of a fixed bed and a slurry bed. Comprising a fixed bed reactor and a slurry bed reactor which are sequentially connected in series, the fixed bed reactor is filled with a metal modified mesoporous zeolite molecular sieve catalyst, and the slurry bed reactor is filled with a mesoporous zeolite molecular sieve catalyst. The method comprises the following steps: firstly, carrying out ethylene oligomerization reaction in a fixed bed reactor to generate a product containing C4-C8 olefin; the reaction product is directly introduced into the fixed bed reactors connected in series for secondary reaction, and the final product comprises C5-C16 + liquid phase olefin as an aviation fuel component. By adopting a fixed bed-slurry bed reactor combined method, the ethylene conversion rate can be greatly improved; secondary oligomerization is carried out by using an acidic mesoporous zeolite molecular sieve catalyst, so that the selectivity of aviation kerosene components is improved; the mesoporous catalyst prepared by an alkali treatment method has a good diffusion effect and keeps high activity for a long time.

The invention discloses an aviation kerosene quality online detection and optimization system based on a green hydrogen substitution technology, and relates to the technical field of quality detection, and the aviation kerosene quality online detection and optimization system comprises a quality monitoring module, an optimization control module and a carbon footprint tracking and verification module. The quality monitoring module monitors the purity of sulfide, aromatic hydrocarbon and hydrogen in real time through a multispectral and electrochemical sensor, determines the optimal mounting position of the sensor by combining hydrodynamic analysis, triggers early warning when the sensor exceeds the standard, and pushes the sensor to the optimization module. The optimization control module dynamically adjusts temperature, pressure and green hydrogen flow based on a deep reinforcement learning algorithm, constructs a multi-objective optimization model, maximizes sulfur removal efficiency, reduces energy consumption and carbon emission, and realizes closed-loop intelligent regulation and control; according to the method, the accuracy and real-time performance of aviation kerosene quality detection and regulation are improved, effective tracking and verification of the green hydrogen full-life-cycle carbon footprint are realized, and the green sustainable development of aviation kerosene production is promoted.

The invention relates to the technical field of biological aviation kerosene, and discloses a process for preparing biological aviation kerosene from waste grease. The method comprises the following steps: introducing waste oil into a hydrofining reactor, introducing hydrogen, carrying out a hydrodeoxygenation reaction under the catalysis of a hydrogenation catalyst, carrying out a reaction on the obtained hydrodeoxygenated oil in an isomerization pour point depressing reactor, and finally carrying out isomerization hot high-pressure separation treatment, isomerization cold high-pressure separation treatment and rectification tower segmentation to obtain the biological aviation kerosene. The specific surface area of a carbon matrix of the hydrogenation catalyst is large, the void structure is rich, a large number of Ni-Mo-P active catalytic centers can be exposed, precious metals such as platinum and ruthenium do not need to be added, the hydrodeoxygenation reaction efficiency of waste oil and fat is remarkably improved, the mass fraction of branched paraffin and cycloparaffin in biological aviation fuel is high, and the combustion performance is better.

The application provides a continuous hydrogenation-isomerization method capable of meeting the treatment requirements of biological oils, especially waste oils, using a homogeneous hydrogenation process with strong adaptability to raw materials as a raw material pretreatment process, and matching a high-activity nanometer transition metal sulfide catalyst. On this basis, a catalytic distillation process is used for selective cracking of long-chain alkanes to improve the yield of medium and long-chain alkanes; an ultramicro flow hydrogen gas mixer and a reduced non-noble metal hydrogenation-isomerization catalyst are used to reduce the hydrogen / oil ratio and the energy consumption of the circulating hydrogen system, and to reduce the production cost of the catalyst, so as to finally realize efficient and low-carbon conversion of waste oils, and low-cost and high-selectivity preparation of biological aviation kerosene.

The invention discloses a methanol / aviation kerosene dual-fuel chemical regenerative hybrid aero-engine, relates to the technical field of environment-friendly processing, and solves the problems that the electricity demand of turboshaft engine airborne equipment is increased and the carbon emission of the engine is too high. A core engine system comprises an aviation fuel storage tank, an air inlet channel, an air compressor, a combustion chamber, a turbine system, an exhaust nozzle and a rotor wing, wherein the aviation fuel storage tank is communicated with the combustion chamber; the air inlet channel, the air compressor and the combustion chamber communicate in sequence. One part of the methanol reforming product is introduced into a combustion chamber to be mixed with aviation fuel for combustion, and the other part of the methanol reforming product generates power through a fuel cell; the combustion chamber, the turbine system and the exhaust nozzle are communicated, and fuel gas generated by the combustion chamber is introduced into the turbine system to drive the turbine system; the turbine system drives the gas compressor and the rotor wing. The fuel cell is used for generating electricity to meet the electricity demand of airborne equipment, the shaft power on the engine main shaft is reduced, the engine output power is effectively improved, and the operation stability of a core engine system is improved.

The invention relates to the field of aircraft maintenance, in particular to an intelligent aviation kerosene and bactericide mixed filling device which comprises a shell and an oil conveying pipeline, the oil conveying pipeline penetrates through the shell, and a fuel oil input connector and a fuel oil output connector are arranged at the two ends of the oil conveying pipeline correspondingly; the bactericide distribution bin is communicated with one end of the bactericide conveying pipeline, the other end of the bactericide conveying pipeline is inserted into the oil conveying pipeline and connected with a three-stage impeller with holes, the three-stage impeller with the holes and the oil conveying pipeline are coaxially arranged, and a fuel oil flow sensor is embedded in the oil conveying pipeline and used for detecting the oil amount in the oil conveying pipeline. An electromagnetic valve and an electromagnetic diaphragm metering pump are installed on the bactericide conveying pipeline, a controller is installed in the shell, the controller is electrically connected with the fuel flow sensor, the electromagnetic valve and the electromagnetic diaphragm metering pump, in the refueling process, kerosene and a bactericide can be intelligently controlled to be mixed, and the mixing effect is guaranteed.

The invention discloses a method for monitoring tail gas emission of an aircraft refueling vehicle, and solves the problem that PM quantitative data acquisition is inaccurate in a complex environment of an airport. The method comprises the following steps: stably sampling and removing aviation kerosene steam through a sampling probe integrating sensing and flow guide adjustment; synchronously detecting and deducting background gas interference; performing secondary dehumidification and constant-temperature pretreatment on the tail gas; the double detection units are linked to collect multi-dimensional data, and a nonlinear interference correction model is constructed through fusion; and adopting an exclusive calibration mode and marking invalid data. The method further comprises the design of wind speed adaptation, condensation backflow prevention, working condition and area label optimization, double-link encryption transmission, safe installation, optical signal compensation, graded maintenance and the like. The method can resist multiple environmental interferences, PM detection errors are controllable, data updating is efficient, and airport safety operation and compliance monitoring requirements are met.

The invention discloses a method for synthesizing sustainable aviation kerosene through CO2 hydrogenation in biogas. The method comprises the following steps: taking Fe / Mn-CaO as a CO2 adsorption separating agent, taking NiMoGa ternary liquid metal as a catalyst for methane decarbonization hydrogen production, and taking a metal oxide-molecular sieve as a catalyst for synthesizing aryl aviation kerosene through CO2 hydrogenation. According to the metal oxide-molecular sieve catalyst for synthesizing the aromatic sustainable aviation kerosene through CO2 hydrogenation, a metal oxide (ABO3) with a perovskite structure is synthesized through a sol-gel method, and the metal oxide (ABO3) is physically mixed with a molecular sieve; a in ABO3 is lanthanum, and a B element comprises iron, chromium, cobalt or nickel; the molecular sieve contains ZSM-5 (Zeolite Socony Mobil-5), ZSM-11 (Zeolite Socony According to the oxide catalyst disclosed by the invention, a polydentate chelate is formed by metal nitrate and citric acid, and a special perovskite structure can be formed through simple drying and roasting, so that the oxide catalyst has excellent carburization resistance, and a formed oxygen-containing intermediate is diffused into a zeolite molecular sieve to form aromatic aviation kerosene; the preparation of aryl aviation kerosene from bio-based CO2 hydrogenation is realized.

The present invention relates to the technical field of aviation kerosene production, and particularly to a production method of aviation kerosene, which includes: gasifying and converting low-carbon raw materials to generate conversion gas; obtaining crude syngas through a water washing and dust removal process for the conversion gas; subjecting the crude syngas to acid gas removal treatment through a purification device to obtain purified gas containing carbon monoxide, hydrogen, and carbon dioxide; using clean energy in an electrolyzer to obtain hydrogen and oxygen, storing and compressing the hydrogen separately, and sending the oxygen to a gasification device for gasification reaction; generating Fischer-Tropsch synthesis feed gas by passing the compressed hydrogen and the purified gas through a Fischer-Tropsch reaction device; and generating aviation fuel, gasoline, and diesel by passing the Fischer-Tropsch synthesis feed gas through a green aviation fuel synthesis reactor, a secondary flash evaporator, and a distillation column. By using low-carbon raw materials as raw materials for bio-aviation kerosene, the present invention can reduce the dependence on fossil fuels and increase the production of bio-aviation kerosene, thereby enabling large-scale promotion.

The invention relates to the technical field of aviation fuel preparation, in particular to a method for preparing aviation fuel through carbon dioxide hydrogenation, which comprises the following steps: (1) introducing carbon dioxide and hydrogen raw materials into a fixed bed reactor A filled with a solid catalyst a for reaction; (2) introducing a product of the reactor A into a three-phase separator to separate and remove gas and water, and introducing the residual liquid phase into a condensation crystallizer to perform dewaxing operation; (3) introducing the dewaxed oil phase into a hydroisomerization reactor B filled with a solid catalyst b for reaction; and (4) introducing the liquid effluent in the reactor B into a normal-pressure rectifying tower for separation to obtain a light fraction, an aviation fuel component, a low-condensation-point diesel fraction and a high-condensation-point diesel fraction, and according to the method for preparing the aviation fuel through carbon dioxide hydrogenation, the CO2 hydrogenation catalyst is simple to prepare and long in service life, and the investment is greatly reduced.

The invention provides an intelligent control method, device and equipment for an aviation kerosene preparation system, and the method comprises the steps: obtaining various sample data, the various sample data comprises physical property parameters, distillation range distribution parameters and component content parameters of sample oil, and process parameters of the aviation kerosene preparation system; according to the multiple sample data, a long-short-term memory network algorithm and a physical information neural network algorithm, a prediction algorithm model is established, and the prediction algorithm model is at least used for predicting the yield of aviation kerosene of the aviation kerosene preparation system; according to the prediction algorithm model and the multiple sample data, determining the prediction yield of the aviation kerosene in a first preset time period and multiple operation parameters of the aviation kerosene preparation system in the first preset time period; and adjusting the process parameters of the aviation kerosene preparation system according to the predicted yield of the aviation kerosene and the plurality of operation parameters. The method solves the technical problem of unstable aviation kerosene yield in the aviation kerosene preparation process of the aviation kerosene preparation system.

The present application relates to the technical field of metal material plating, in particular to a kind of γ-TiAl material turbine blade sawtooth crown wear-resistant coating plating method, it includes multi-station special plating device and aviation kerosene oxygen mixed fuel supersonic flame spraying process.Plating device is divided into two kinds of linear arrangement and annular arrangement, respectively realize 15 pieces and 30 pieces of blade one time clamping plating, significantly improve efficiency;Device realizes accurate positioning and non-spraying area protection by positioning block, pressing plate assembly and other structures.Co-Mo-Cr-Si wear-resistant coating is plated by using supersonic flame spraying process, heat input is low, coating is dense, and bonding strength is high;Subsequent grinding processing makes coating surface roughness reach Ra<0.8 μm.The present application solves the problem of high heat input and low construction efficiency in the prior art, and meets the requirements of high precision and high reliability for aeroengine.

The utility model relates to the technical field of petrochemical engineering, and particularly discloses a cracking tail oil heat recovery system of a slurry bed residual oil hydrogenation device, which comprises a fractionating tower, a fractionating tower bottom pump, an aviation kerosene tower bottom heat exchanger, a debutanizer bottom heat exchanger, an isopentane tower bottom heat exchanger and a tail oil cold feed preheater, the fractionating tower bottom pump, the aviation kerosene tower bottom heat exchanger, the debutanizer bottom heat exchanger, the isopentane tower bottom heat exchanger and the tail oil cold feed preheater are sequentially arranged on the fractionating tower, and a tail oil discharge pipeline is arranged on the tail oil cold feed preheater. The tail oil temperature of the cracking device is reasonably utilized, the heat exchange process is optimized, efficient recovery of tail oil heat is achieved, the potential safety hazard of leakage of a heat exchange system of the isopentane tower is eliminated, temporary shutdown overhaul of the device caused by leakage of a heat exchanger is avoided, meanwhile, effective and stable control over the tail oil temperature is achieved, and the service life of the device is prolonged. The operation cost of tail oil air cooling is saved, and safe and stable operation of a heat exchange system of the device is effectively guaranteed.

The invention relates to the technical field of biofuels, and discloses an aviation kerosene biological alternative fuel based on multi-objective optimization, which is characterized in that a comprehensive selection index system comprising density, kinematic viscosity, thermodynamic characteristics (lower calorific value and hydrogen-carbon ratio) and molecular weight is established based on a multi-objective optimization model constructed by a genetic algorithm; the invention discloses a biological fuel formula for replacing RP-3 aviation kerosene by optimizing the design of biological alternative fuel components, the biological alternative fuel is prepared from the following components in parts by volume: 70-80 parts of second-generation biodiesel, 10-15 parts of tetrahydrofuran and 7-15 parts of isopropanol, the components are easy to obtain, the production process is simple, and the biological alternative fuel is suitable for large-scale production. The second-generation biodiesel, tetrahydrofuran and isopropanol are used as raw materials, the obtained biofuel has low kinematic viscosity, the low calorific value reaches 43 MJ / kg or above, the physicochemical property of the biofuel is similar to that of RP-3 aviation kerosene, and the biofuel has good substitutability and wide popularization value.

The present application relates to the technical fields of chemical synthesis, and discloses a kind of aviation kerosene production process and equipment, production process includes: carbon source gas, hydrogen, circulating gas is sent into main reactor reaction and obtains including hydrocarbon, methanol, CO, water and unreacted gas mixed component a;Mixed component a is sent into cascade reactor and is prepared to obtain including aviation kerosene component, light hydrocarbon component and water mixed component b, wherein light hydrocarbon component includes one or more of C2-C7 light hydrocarbon;Mixed component b is fractionally condensed to collect liquid phase and gas phase, and liquid phase is carried out three-phase separation to obtain aviation kerosene component, light hydrocarbon component and water respectively, aviation kerosene component is hydrotreated, fractionation to obtain aviation kerosene.The present application realizes the step-by-step control of reaction path in carbon source hydrogenation process through the synergistic effect of main reactor and cascade reactor, improves the selectivity of aviation kerosene target product, so that the obtained product meets the 3# aviation kerosene standard requirements in key indicators such as distillation range distribution, aromatic content and low temperature performance.

The present invention discloses a method for predicting the ignition of a scramjet combustion chamber, belonging to the technical field of ignition prediction. The method comprises the following steps: numerically simulating the combustion chamber using a three-dimensional density-based steady-state injection; determining whether convergence conditions have been met; extracting flow field data of the combustion chamber after convergence; and calculating the residence time t of aviation kerosene microclusters in the ignition region based on the flow field data. z ; Calculate the ignition delay time t of the ignition area based on the flow field data c Calculate Da in the ignition area. Predict ignition conditions based on Da. The scramjet engine combustion chamber ignition prediction method of the present invention calculates Da based on injection field data and predicts ignition success based on the relationship between Da and 1. This helps adjust actual ignition conditions and improve ignition success rates. It can meet the ignition prediction needs of combustion chambers of various configurations.

The application belongs to the technical field of aviation second power system, and discloses an airplane emergency power gas generating system and method based on water enhancement technology, wherein the system adopts fuel oil and high-pressure gas cylinder gas supply to combust in a gas generator, high-temperature and high-pressure gas is generated as the emergency power of the airplane; when the fuel oil and air are mixed and combusted in the gas generator, water is sprayed in the gas generator, water is used as the combustion coolant, and the compressed air amount used by the gas generator after combustion to generate unit gas is reduced. The aviation kerosene and high-pressure air are used as the fuel and oxidant, the fuel system has the advantage of good compatibility with the airplane, the compressed air amount used by the gas generator to generate unit gas is greatly reduced, the working time of the gas generator system is prolonged, the expensive catalyst is not used, and the problems of short service life of the gas generator system and high price of the catalyst of the traditional emergency power system are avoided.

The present invention belongs to the technical field of aviation fuel preparation, and specifically relates to a method for synthesizing thermally stable aviation kerosene from 2,5 - hexanedione. The method comprises the following steps: 1) Using 2,5 - hexanedione as a raw material and an alkali solution as a catalyst, an unsaturated ketone compound with twelve carbon atoms is obtained through an alkali - catalyzed aldol condensation reaction; 2) The unsaturated ketone compound obtained in step 1) undergoes a hydrodeoxygenation reaction under the action of a ternary mixed metal oxide catalyst to obtain a saturated cycloalkane liquid fuel with twelve carbon atoms containing alkyl decalin. The method of the present invention simplifies the current route for preparing alkyl decalin from biomass, and the intermediate products and the final product do not need to undergo a purification / distillation process; significantly reduces the production cost, the raw materials are cheap and easily available, the reaction conditions are mild, and it is suitable for large - scale industrial production.

The present application relates to a kind of aero-engine cold start auxiliary staged preheating system and control method, belong to aero-engine starting technical field;The present application is integrated preheating treatment to engine fuel, in-cylinder mixture thermodynamic state (in-cylinder thermal atmosphere before ignition) and lubricating oil by pipeline fuel preheating device, oil outlet preheating device, cylinder sleeve preheating device and lubricating oil heat preservation preheating device, coupling combustion parameter control strategy, according to the temperature gradient of plateau alpine low temperature environment, design four levels of plateau alpine cold start feedback control strategy, so that aviation kerosene pressure combustion engine provides and implements reasonable preheating scheme according to different low temperature low pressure environment outside in plateau alpine condition, can effectively solve the problem that aviation kerosene pressure combustion engine is difficult to cold start, starting time is long, engine parts wear seriously and cold start stability is poor and the like in plateau alpine environment.

The invention discloses a filtering device suitable for aviation kerosene and a filtering method thereof, and belongs to the technical field of aviation fuel purification and filtration. The cylinder shell, the annular supporting ribs and the main filter material form a filter cylinder, kerosene penetrates through the intervals of the annular supporting ribs from outside to inside and gathers in the central positioning shaft to be led out, in a quasi working state, the filter assembly is disassembled and transversely inserted into an inner cavity of the filter element socket, one end of the filter assembly is fixed in the inner cavity of the filter element socket, and the locking piece is driven to amplify thrust through the force amplifier; the pressing rod linearly extrudes the filter element, the threaded transmission sleeve is rotated through the spiral driving rod, so that the piston pressing disc compresses the cotton core at a constant speed, residual oil is recovered from the bottom liquid drainage hole in the axial direction, and the cotton core is taken out after squeezing; the filter element of the same cylinder is not replaced, only the inner-end fine filter layer is replaced by the reducing fine filter layer with a smaller inner diameter, the through-flow area is suddenly reduced, the local flow speed is increased, the surface of a main filter material is reversely washed, and impurities fall off; the reducing step generates secondary high pressure difference, the fiber gap is further compressed, and the precision is improved.

The invention relates to the technical field of biomass energy conversion, in particular to a method and system for preparing sustainable aviation kerosene through methanol based on biomass gasification. The method sequentially comprises the steps of biomass gasification, purification and proportion adjustment, methanol synthesis, methanol-to-olefin conversion, oligomerization reaction and hydrofining. The selectivity of a target component is effectively improved by regulating and controlling the H2 / CO molar ratio to 2.0-2.2 and realizing multi-section conversion and heat energy gradient recovery under middle and high pressure. The condensation point of the finished product can reach-48 DEG C, the aromatic hydrocarbon mass fraction is as low as 0.22%, and the aviation fuel standard requirements are met. The method has the advantages of being high in carbon utilization rate, excellent in product quality, low in energy consumption, suitable for large-scale operation and the like, and is suitable for green manufacturing of sustainable aviation fuel.

The invention provides a method for producing aviation kerosene by hydrogenation, which comprises the following steps: mixing raw material oil and hydrogen, sequentially feeding into a hydrofining reaction zone and a hydrocracking reaction zone for reaction, feeding the reaction effluent into a post-treatment reaction zone, and contacting with a post-treatment catalyst for reaction, the preparation method of the post-treatment catalyst comprises the following steps: S1, cooling and curing a solution containing a nickel source and gelatin to obtain gel, and mixing the gel with alumina dry glue powder to obtain an alumina powder intermediate; s2, carrying out molding and freeze drying on the alumina powder intermediate obtained in the step S1 to obtain a post-treatment catalyst precursor; and S3, impregnating the post-treatment catalyst precursor obtained in the step S2 with a solution containing a molybdenum source, a cobalt source and a nickel source, and carrying out curing, drying and roasting to obtain the final post-treatment catalyst. According to the method, the post-treatment catalyst with excellent olefin saturation and hydrogenation mercaptan removal performance is adopted, so that the quality of the aviation kerosene product is effectively improved.

The utility model relates to the technical field of water storage tanks, in particular to a circulating water storage tank for biological aviation kerosene raw materials, which comprises a tank body and a tank cover, a plurality of water inlets are arranged on the tank cover, a filtering mechanism is mounted below the tank cover, the tank cover is connected with the tank body through a lifting device, and the tank body is connected with any water inlet through a return pipeline. Compared with the prior art, water separated from different biodiesel raw materials can be introduced into the water storage tank through the multiple water inlets at the same time, the feeding efficiency is improved, the pressure burden of a single water inlet is relieved, impurities and particles in the water can be filtered out through the filtering mechanism, the cleanliness of circulating water is guaranteed, and the service life of the water storage tank is prolonged. Stored water is circulated and refluxed through a backflow pipeline, so that water in the tank body is circulated, filtered and homogenized, it is guaranteed that the stored water in the tank body is in a clean state for a long time, the frequency of cleaning the water storage tank due to the influence of water pollution, impurities and the like is reduced, and practicability is high.

The invention relates to the field of aero-engines, and provides a rotary detonation afterburner system capable of regulating and controlling the injection temperature of aviation kerosene, which comprises a rotary detonation afterburner, a fuel tank, an oxygen bottle, a first fuel supply pipeline, a second fuel supply pipeline and a first gas supply pipeline, a first channel is arranged in the side wall of the rotary detonation afterburner, the fuel tank is communicated with the first channel through a first oil supply pipeline, and the first channel is communicated with the interior of the rotary detonation afterburner through a second oil supply pipeline; the oxygen bottle communicates with the interior of the rotary detonation afterburner through a first gas supply pipeline, and the oxygen bottle is used for supplying oxygen to the interior of the rotary detonation afterburner in the detonation stage of the rotary detonation afterburner. The rotary detonation afterburner solves the problem that the rotary detonation afterburner is difficult to detonate and maintain.

The utility model provides a flow -equalizing pollution -bearing coalescing filter core belongs to aviation kerosene filtration purification technical field, including: filter core main part, filter core main part includes coalescing structure, and coalescing structure includes flow -equalizing orifice pipe, and flow -equalizing orifice pipe is provided with flow -equalizing opening, and the interval between flow -equalizing opening is reduced gradually from the direction of the inlet end of filter core main part to the other end thereof. The utility model discloses a flow -equalizing orifice pipe can flow aviation kerosene, effectively solve the problem of the flow of coalescing filter core inlet position too big in traditional technology, and the processing effect is not good, can greatly improve the overall dehydration effect of the utility model through the flow -equalizing orifice pipe. Through the special structure design of filter layer, the demulsification effect of filter core main part can be improved, and the pollution bearing capacity of coalescing filter core can be improved, the service life of the traditional coalescing filter core is solved, the structure design of filter layer can increase the service life of filter core, effectively reduces the economic loss and artificial cost caused by filter core replacement.

1. The name of the design product: aviation kerosene transfer vehicle. 2. The use of the design product: used for transfer transportation of aviation kerosene. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present application relates to reactor equipment technical field, disclose green fluidized bed reactor for aviation kerosene production, including: cylinder, the bottom of cylinder is equipped with material inlet, the top of cylinder is equipped with material outlet;Distribution plate, multiple are arranged along the axial direction of cylinder, distribution plate is equipped with through hole, multiple distribution plates divide the inside of cylinder into multiple fluidized bed cavities;Solid communication pipe, it is arranged through distribution plate, solid communication pipe communicates upper and lower adjacent two layers fluidized bed cavities, and solid communication pipe is used to make the solid material in upper layer fluidized bed cavity into lower layer fluidized bed cavity;Gas communication pipe, it is arranged outside cylinder, and the both ends of gas communication pipe are connected with different layers fluidized bed cavities;Gas-solid separator, it is arranged in cylinder and is close to material outlet.The present application solves the technical bottleneck that bed temperature is difficult to control uniformly, and local overheating or low temperature zone is prone to appear in related technology through the collaborative design of multiple distribution plates, solid communication pipe and gas communication pipe.

The utility model discloses distillation equipment for biological aviation kerosene production, which relates to the technical field of distillation equipment and comprises an equipment main body, an electric push rod is fixedly connected to the outer wall of the equipment main body, and one end of the electric push rod is fixedly connected with a lifting plate slidably connected with the outer wall of the equipment main body. The outer wall of the lifting plate is rotationally connected with a pulling rod, and one end of the pulling rod is rotationally connected with a connecting rod. By arranging the pull rod, when auxiliary aviation kerosene production is carried out through distillation equipment, in order to improve the synchronous protection effect on a distillation head and the shielding protection effect on the top of a collecting box under the condition that an oil drum is switched for use, the lifting plate ascends through rotation of the pull rod; and a connecting rod fixedly connected with a limiting rod is driven to slide, so that a first protection plate moves to the position below the distillation head, a second protection plate moves to the top of a collection box, the situation that kerosene leaks and is wasted is reduced, and the aviation kerosene production efficiency of the distillation equipment is improved.