2719 results about "Gasoline" patented technology

A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component, wherein the first PGM component comprises Rh and Pt; a second catalytic region comprising a second PGM component, wherein the second PGM component comprises Pd; and wherein the first PGM component has a Pt to Rh ratio of at least 1:20.

The invention discloses an intelligent vibrating rod, and relates to the technical field of concrete pouring equipment. The device comprises a gasoline engine, a vibrating rod head is arranged on one side of the gasoline engine, and an adjustable rod body is arranged between the gasoline engine and the vibrating rod head; a direction adjusting part and an angle adjusting part are arranged in the adjustable rod body, and the vibrating rod head is fixed after being adjusted in a circumferential rotation mode around the adjustable rod body through the direction adjusting part. And the vibrating rod head is fixed after being overturned and adjusted at the end part of the adjustable rod body through the angle adjusting piece. According to the device, the adjustability of the angle of the vibrating rod head is realized through the matching of the worm, the worm gear and the like, the vibrating coverage can be ensured without frequently moving the vibrating rod or adjusting the construction position in a narrow space, the vibrating surface can be greatly increased through the matching of the angle adjusting piece, the vibrating blind area does not exist, and the working efficiency is improved. The uniformity and compactness of the concrete are ensured, and the requirements of users are met.

The invention discloses a gasoline engine particle trap with low back pressure amplification and narrow pore size distribution and a preparation method thereof, and belongs to the technical field of gasoline engine tail gas emission treatment. The preparation method comprises the following steps: mixing an inorganic raw material, a pore-forming agent, a binder and water to prepare a pug, carrying out pugging, extrusion molding, microwave drying and high-temperature sintering to prepare a ceramic matrix, and carrying out pore plugging and catalyst coating on the ceramic matrix to prepare the gasoline engine particle trap. Wherein the median particle size D50 of a mixture formed by mixing the inorganic raw materials, the pore forming agent and the binder is controlled to be within the range of 20-26 microns, the span (D90-D10) / D50 is smaller than 1.4, and the gasoline engine particle trap with the back pressure amplification being 13-56% is obtained. According to the method, the pore size distribution condition of the ceramic matrix can be pre-judged in actual production, so that particle distribution adjustment of raw materials is carried out, and the pore size consistency of gasoline engine particle traps produced in batches is guaranteed.

The invention relates to the field of vehicle emission prediction, and discloses a gasoline vehicle emission prediction method based on an XGBoost-SVR combined model, and the method comprises the following steps: S1, collecting the instantaneous emission data of pollutants of a gasoline vehicle and vehicle driving parameters, and carrying out the time sequence calibration processing; s2, singular spectrum analysis is adopted to decompose and reconstruct the pollutant emission data; s3, dividing the processed pollutant emission data and vehicle driving parameters into a training set, a verification set and a test set; s4, establishing an XGBoost model, and predicting the instantaneous discharge amount of pollutants by inputting vehicle driving parameters; s5, calculating a residual error between a predicted value and an actual value based on the verification set; and S6, correcting the residual error by using an SVR model to obtain a final pollutant emission prediction value. According to the method, the XGBoost and SVR models are combined, so that high-precision prediction of the pollutant emission of the gasoline car is realized, data noise is effectively removed, the experiment cost is reduced, and the generalization ability and adaptability of the model under complex working conditions are improved.

The invention discloses an additive for improving the octane number of propylene and gasoline as well as a preparation method and application thereof, and belongs to the technical field of catalyst preparation and application. The additive for improving the octane number of propylene and gasoline comprises 20-65% of a regular ZSM-5 molecular sieve, 0-25% of other molecular sieves, 3-30% of P2O5, 3-18% of a binder and the balance of clay, wherein the total percentage is 100%. The specific surface area of the regular ZSM-5 molecular sieve is 300-510 m < 2 > / g, the micropore volume is 0.20-0.42 mL / g, the mesopore volume is 0.10-0.27 mL / g, the grain size is 30-300 nm, and the silica-alumina ratio is 20-180. The regular ZSM-5 molecular sieve prepared without the template agent is high in yield, high in crystallinity, excellent in acid property and open in pore structure. The additive for improving the octane number of the propylene and the gasoline contains a regular ZSM-5 molecular sieve and is subjected to phosphorus compound modification, so that the catalytic activity and the shape-selective cracking capability are synchronously improved, the cracking capability of low-octane number alkane components is improved, the propylene yield and the octane number of the gasoline are greatly improved, and the manufacturing cost is effectively reduced.

According to the waste plastic double-heat-carrier circulating rapid pyrolysis fuel oil preparation device provided by the invention, a waste plastic crusher is communicated with the top of a downward pyrolysis reactor through a controllable feeder, and the upper part of the downward pyrolysis reactor is respectively communicated with a pyrolysis dry gas heat exchanger and a primary solid heat carrier return feeder; the bottom of the downward pyrolysis reactor is connected to the top of the moving bed reactor; the top of the moving bed reactor is communicated with the fractionating tower; the bottom of the moving bed is communicated with the lifting pipe heating regenerator through a to-be-generated heat carrier return feeder; a gas distributor, an ash discharge pipe and a gas inlet pipe are arranged at the bottom of the riser heating regenerator, and a first-stage gas-solid separator and a second-stage gas-solid separator are arranged at the top of the riser heating regenerator; a gas outlet of the second-stage gas-solid separator is provided with a pyrolysis dry gas heat exchanger and a waste heat boiler; a wax oil outlet, a diesel oil outlet and a gasoline outlet are formed in the bottom and the upper part of the fractionating tower, one path of tower top dry gas is connected with a water-cooling feeding pipe, the other path of tower top dry gas is communicated with a pyrolysis dry gas heat exchanger and a high-temperature gas hot melting section, and residual dry gas is delivered as a product.

The invention relates to a method and a system for producing low-carbon olefin and light aromatic hydrocarbon through catalytic cracking. The method comprises the following steps: (1) carrying out contact reaction on raw oil and a catalytic cracking catalyst in a constant linear velocity fluidized bed reactor to obtain an oil agent mixture; (2) separating the oil agent mixture to obtain reaction oil gas and a spent catalyst; and (3) separating the reaction oil gas to obtain a low-carbon olefin component, a gasoline component and an oil slurry component. In a constant-linear-speed fluidized bed reactor, light petroleum hydrocarbons such as diesel oil are contacted with a catalytic cracking catalyst with a high silica-alumina ratio, and self-heat balance is maintained through regeneration flue gas circulation to produce low-carbon olefins, light aromatic hydrocarbons and the like. According to the method disclosed by the invention, heavy oil such as naphtha, wax oil and residual oil can be processed while light hydrocarbon such as diesel oil is processed, the conversion rate of the diesel oil is high, self-heating balance can be realized, the problem of excessive diesel oil production capacity of a refinery plant is solved, and the processing benefit of crude oil is also improved.

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 method for producing high-octane gasoline through hydrocarbon catalytic cracking and a reaction system thereof, and the method comprises the following steps: in a constant linear velocity fluidized bed reactor, diesel oil and other light petroleum hydrocarbons are contacted with a high silica-alumina ratio catalytic cracking catalyst, and self-heat balance is maintained through regeneration flue gas circulation to produce liquefied gas and high-octane gasoline. According to the method disclosed by the invention, heavy oil such as naphtha, wax oil and residual oil can be processed while light hydrocarbon such as diesel oil is processed, the conversion rate of the diesel oil is high, self-heating balance can be realized, the problem of excessive diesel oil production capacity of a refinery plant is solved, and the processing benefit of crude oil is also improved.

The invention belongs to the technical field of automobile chassis, and particularly relates to laser cutting equipment for gasoline engine piston production, which comprises a bottom plate, one side of the upper end surface of the bottom plate is fixedly connected with a rack, the rack is provided with a conveying belt, and the rack is also provided with a separation cutting mechanism; the separating and cutting mechanism comprises a third supporting plate fixedly connected to one side of the upper end of the rack, one end of the third supporting plate is fixedly connected with a limiting plate, the third supporting plate is slidably connected with a transmission plate and a plurality of feeding plates, the limiting plate, the feeding plates and the transmission plate are matched with one another to form a plurality of feeding channels, and the feeding channels are the same in width. One side of the rack is slidably connected with an inserting plate, and the inserting plate is connected with the limiting plate, the feeding plate and the transmission plate in an inserting and sliding mode. By means of the separation cutting mechanism, the process that workers take steel pipes in sequence for cutting is omitted, the labor intensity of the workers is reduced, the multiple steel pipes are cut at the same time, and the working efficiency can be improved.

The invention belongs to the technical field of clean energy, and particularly relates to an ammonia-hydrogen fusion engine system and a control method thereof.The ammonia-hydrogen fusion engine system comprises an engine, a liquid ammonia vaporization device and an ammonia reaction hydrogen production device, the engine is provided with an intake manifold and an exhaust manifold, and the exhaust manifold penetrates through the ammonia reaction hydrogen production device; the liquid ammonia vaporization device is communicated with the ammonia reaction hydrogen production device through a first pipeline and is communicated with the intake manifold through a second pipeline, and the second pipeline is communicated with the first pipeline so as to convey ammonia gas to the ammonia reaction hydrogen production device and the intake manifold respectively; and a gasoline injector is further arranged on the intake manifold, and when the water temperature of the engine is smaller than a first temperature threshold value or the temperature of a catalyst in the ammonia reaction hydrogen production device is smaller than a second temperature threshold value, the gasoline injector is used for injecting gasoline into the intake manifold so as to start the engine. The cold start problem of the engine can be solved, and the ignition reliability is improved.

The invention discloses a film covering, fixed-point film breaking and soil covering all-in-one machine, comprising: a moving unit comprising a frame, a first gasoline engine mounted on the frame, traveling wheels mounted on the frame, and a transmission part having a first transmission wheel; the film breaking unit comprises a second transmission wheel rotatably mounted on the frame, a crank rocker arm mechanism connected with the second transmission wheel, a film breaking rod mounted on the crank rocker arm mechanism and a drill bit mechanism mounted on the film breaking rod, and a transmission chain is mounted between the second transmission wheel and the first transmission wheel; the film mulching unit comprises a film cylinder frame, a film pressing wheel and a soil guiding wheel which are sequentially installed below the frame and in front of the drill bit mechanism from front to back, and the film pressing wheel and the soil guiding wheel are located on the two sides of the frame respectively; according to the equipment, two links of film mulching and fixed-point soil covering are seamlessly integrated, the soil filling and hole sealing operation procedure is moved forwards, the problem that labor is difficult to use in the links is effectively solved, and meanwhile convenience is provided for subsequent transplanting operation.

A waste plastic and petroleum mixed feeding catalytic cracking process comprises a waste plastic self-hot melting dechlorination pretreatment process, a waste plastic molten liquid and petroleum catalytic cracking process and a cracked oil gas fractionation process. Part of recycle oil and cracking dry gas in the cracking oil-gas fractionation sub-process are cyclically returned to the waste plastic self-heating melting dechlorination pretreatment process to serve as high-temperature melting oil and feeding carrying gas, and waste plastic melting liquid in the waste plastic self-heating melting dechlorination pretreatment process is sent out to be mixed with crude oil to serve as a raw material for catalytic cracking of the waste plastic melting liquid and the crude oil; the oil gas is produced to the maximum extent through efficient dispersion atomization feeding and catalytic cracking of an atomizing nozzle, and then the cracked oil gas is subjected to fractionation to produce gasoline, diesel oil, recycle oil and cracked dry gas.

The utility model provides an atmospheric and vacuum five-tower distillation device with an energy-saving effect, which comprises a primary distillation tower, a negative pressure tower, an atmospheric tower and a vacuum tower, the negative pressure tower comprises a first negative pressure tower and a second negative pressure tower, the top of the first negative pressure tower and the top of the second negative pressure tower are respectively connected with a first negative pressure tower reflux device and a second negative pressure tower reflux device; a negative pressure tower reboiler is arranged at the middle lower part of the negative pressure tower I, and the pressure of the negative pressure tower I is higher than that of the negative pressure tower II; the two negative pressure towers are additionally arranged between the primary tower and the atmospheric tower, vaporized gasoline and kerosene components can be separated in time, the irreversible degree of heating and cooling is reduced, and the purpose of saving energy is achieved; due to negative pressure operation of the first negative pressure tower and the second negative pressure tower, the operation temperature in the two negative pressure towers is reduced, utilization of low-grade heat of the system is facilitated, it is guaranteed that all gasoline components and part of kerosene components of crude oil are completely extracted before entering the atmospheric towers, energy consumption is reduced, the heat utilization rate is increased, and the crude oil separation precision is improved.

The invention relates to the technical field of fuel additives, in particular to a fuel additive as well as a preparation method and application thereof. Comprising the following components in parts by weight: 60 to 220 parts of bis-polyether amine, 10 to 20 parts of polyisobutene amine, 5 to 15 parts of polyether polyol, 5 to 30 parts of alkyl amine alcohol, 0.5 to 20 parts of polybasic fatty acid ester, 0.5 to 20 parts of alkyl acid ester, 10 to 30 parts of a catalyst, 2 to 7 parts of an antioxidant, 5 to 10 parts of a corrosion inhibitor and 10 to 50 parts of carrier oil. A small amount of the fuel additive is mixed with gasoline or diesel oil, and through bis-polyether amine and polyisobutene amine, combustion of fuel oil in a combustion chamber of an internal combustion engine is improved, more complete combustion of the gasoline or the diesel oil is promoted, the combustion efficiency of the fuel oil is enhanced, the oil consumption is reduced, and the economical efficiency of the fuel oil is improved; and air pollution caused by emission of hydrocarbon or combustion intermediate products is reduced.

The invention discloses blending equipment for gasoline engine oil, and relates to the technical field of gasoline engine oil production, the blending equipment comprises a blending tank, the top of the blending tank is provided with a mounting frame, the middle of the mounting frame is vertically and rotatably connected with a driving shaft, the lower end of the driving shaft extends into the blending tank, and the driving shaft is connected with stirring blades; the power assembly is mounted on the mounting frame and is used for driving the driving shaft to rotate; the pneumatic stirring assembly is mounted in the blending tank and is used for stirring and mixing the raw materials by utilizing gas; through cooperative arrangement of the stirring blades, the pneumatic stirring assembly and the driving assembly, the double-blending function of mechanical stirring and pulse pneumatic blending can be achieved, the production efficiency of traditional mechanical stirring and blending equipment can be improved, support of air compression equipment, pulse control devices, control programs and the like is not needed, the equipment cost is low, and the practicability is high. The device is more suitable for small and medium-sized enterprises.

The invention relates to the technical field of low-density polyethylene cracking, in particular to a low-density polyethylene cracking method and cracking gasoline. The low-density polyethylene cracking method comprises the following steps: cracking low-density polyethylene in the presence of an H-type ZSM-5 molecular sieve; the molar ratio of silicon to aluminum in the ZSM-5 molecular sieve is 20 to 100; in an X-ray diffraction pattern of the ZSM-5 molecular sieve, the strongest diffraction peak of 2 theta in the range of 7.5-25 degrees is I0, I1 to I4 respectively represent four strongest diffraction peaks of 2 theta in the range of 7.5-25 degrees and in the range of 7.5-25 degrees, except I0, I2 / I0 is greater than or equal to 0.45 and less than or equal to 0.56, I2 / I0 is greater than or equal to 0.53 and less than or equal to 0.71, I3 / I0 is greater than or equal to 0.42 and less than or equal to 0.55, and I4 / I0 is greater than or equal to 0.30 and less than or equal to 0.39. According to the present invention, the specific ZSM-5 molecular sieve is adopted as the catalyst to perform low density polyethylene cracking, and advantages of high liquid phase yield and high liquid phase combustion heat value are provided.

The invention relates to the technical field of gasoline processing, in particular to a method and a device for producing diesel oil with a low freezing point by taking heavy aromatics and mixed diesel oil as raw materials, the method comprises the following steps of: 1, mixing the heavy aromatics, the mixed diesel oil and hydrogen, feeding into a hydrofining unit, and carrying out hydrofining reaction under the action of a hydrofining catalyst, a hydrofining reaction product is obtained; step 2, the hydrofining reaction product enters a hydro-upgrading unit and is subjected to hydro-upgrading reaction under the action of a hydro-upgrading catalyst, and a hydro-upgrading reaction product is obtained; and 3, feeding the hydro-upgrading reaction product into a rectification unit, and carrying out rectification separation to obtain naphtha and-35 # diesel oil with a low freezing point. The heavy aromatics, the hydrogen and the mixed diesel oil are mixed, the obtained mixed material is subjected to hydrofining and hydro-upgrading treatment, the-35 # low-freezing-point diesel oil is obtained, the method has the advantages of being short in technological process and small in equipment investment, the field process does not need to be greatly transformed, and the quality improvement and efficiency improvement effects are remarkable.

The utility model belongs to the technical field of generators, and particularly relates to a split type gasoline engine generator flywheel which comprises a flywheel body, a rear ring is integrally formed on the periphery of the outer portion of the rear end of the flywheel body, a plurality of first through holes are formed in the rear ring, and fixed sleeves are fixedly connected to the middle positions of the two sides of the rear end of the flywheel body. A limiting clamping block is movably connected into the fixed sleeve, a lifting and pressing block is fixedly connected to the upper end of the limiting clamping block, and a spring is fixedly connected between the bottom of the rear end of the lifting and pressing block and the upper end of the fixed sleeve. A gear ring is connected to the middle of the periphery of the outer portion of the flywheel body in a sleeved mode, and a plurality of second through holes are formed in the gear ring. According to the flywheel, the gear ring on the flywheel body is designed in a split and detachable mode, the gear ring can be detached and replaced independently, the cost of overall replacement of the flywheel can be reduced, and the gear ring is easy and convenient to disassemble and assemble, saves labor and is convenient and fast to use.

The invention belongs to the technical field of automobile coatings, and particularly relates to an automobile original factory exterior decoration water-based black paint and a preparation method thereof. The invention provides automobile original factory exterior decoration water-based black paint. The automobile original factory exterior decoration water-based black paint is prepared from components in parts by mass as follows: 25-50 parts of water-based polyurethane resin, 5-15 parts of water-based polyester resin, 1-5 parts of amino resin, 0.5-1 part of a first wetting agent, 0.1-0.5 parts of a defoaming agent, 3-5 parts of a thixotropic agent, 3-10 parts of a solvent, 10-20 parts of water-based black slurry, 1-3 parts of a pH regulator, 1-3 parts of a functional aid and 20-30 parts of water. The functional auxiliary agent comprises polyethylene glycol and diacetone acrylamide. The automobile original factory exterior decoration water-based black paint provided by the invention has excellent comprehensive properties such as excellent high-speed shearing resistance, stable construction performance, high-pressure water gun flushing resistance, boiling resistance, excellent heat storage performance, acid resistance, alkali resistance, gasoline resistance, diesel oil resistance, engine oil resistance, high-speed shearing resistance, water resistance, excellent adhesive force and the like.

A gasoline modifier, a preparation method therefor and a use thereof, and a clean and environmentally friendly gasoline containing same. By volume, the gasoline modifier comprises 10-30 parts of No. 3 or No. 5 white oil, 5-50 parts of a gasoline detergent synergist and 40-85 parts of isooctyl alcohol; the gasoline detergent synergist comprises a stock liquid and a diluent liquid; the stock liquid is a liquid substance formed by mixing 2-ethylhexyl phosphate and etidronic acid in a weight ratio of 1.8-3:1 and heating to perform an esterification reaction; and / or the stock liquid comprises 2-ethylhexanol, phosphite ester, 2-ethylhexyl acetate, polyisobutylene succinic anhydride and ethylhexyl phosphate; the diluent liquid is formed by mixing formaldehyde having a content greater than 99% with oligomeric water clusters in a weight ratio of 1:4-3:7; and the weight percentage of the stock solution in the gasoline detergent synergist is 0.8%-1.3% white oil. The gasoline modifier is a pure petroleum product. When added to gasoline, it can change the physical properties of the gasoline, and achieve the effects of increasing efficiency, saving fuel, removing carbon and reducing emissions.

The utility model discloses a film covering, fixed-point film breaking and soil covering all-in-one machine, which comprises a moving unit, a film covering unit and a soil covering unit, and is characterized in that the moving unit comprises a frame, a first gasoline engine arranged on the frame, walking wheels arranged on the frame, and a transmission part provided with a first transmission wheel; the film breaking unit comprises a second transmission wheel rotatably mounted on the frame, a crank rocker arm mechanism connected with the second transmission wheel, a film breaking rod mounted on the crank rocker arm mechanism and a drill bit mechanism mounted on the film breaking rod, and a transmission chain is mounted between the second transmission wheel and the first transmission wheel; the film mulching unit comprises a film cylinder frame, a film pressing wheel and a soil guiding wheel which are sequentially installed below the frame and in front of the drill bit mechanism from front to back, and the film pressing wheel and the soil guiding wheel are located on the two sides of the frame respectively; according to the equipment, two links of film mulching and fixed-point soil covering are seamlessly integrated, the soil filling and hole sealing operation procedure is moved forwards, the problem that labor is difficult to use in the links is effectively solved, and meanwhile convenience is provided for subsequent transplanting operation.

A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diesel pilot injector positioned in the first injector hole; and a hydrogen injector positioned in the second injector hole; wherein the hydrogen injector comprises: a gasoline direct injector having an external shank and a distal output end; and a nozzle cap covering the distal output end, wherein the nozzle cap is welded to the external shank.

The invention discloses a combined processing technology of catalytically cracked gasoline, which belongs to the technical field of petrochemical engineering, and comprises the following steps: cutting the catalytically cracked gasoline into light component gasoline and heavy component gasoline; mixing the light-component gasoline with alkali liquor, continuously extracting with the alkali liquor, and collecting refined light-component gasoline; mixing the heavy-component gasoline with a hydrodesulfurization catalyst, carrying out hydrodesulfurization reaction, and collecting refined heavy-component gasoline; and mixing the refined light-component gasoline and the refined heavy-component gasoline to obtain a low-sulfur catalytically cracked gasoline product. The reinforcing material, the modified macroporous alumina, the organosilicon, the microcrystalline cellulose and the chitosan are mixed to form a cross-linked network structure aerogel as a hydrodesulfurization catalyst, stress generated under thermal shock of catalytically cracked gasoline can be absorbed and reduced, and the mechanical strength of the hydrodesulfurization catalyst is improved; the hydrodesulfurization catalyst has a large surface area and a porous structure, so that the specific surface area of the hydrodesulfurization catalyst is increased, and the desulfurization efficiency of the hydrodesulfurization catalyst is further improved.

The present disclosure generally relates to systems and methods utilizing regenerative agriculture for the procurement, production, refinement and / or transformation of low carbon intensity transportation fuels, including low carbon intensity biodiesel and / or renewable diesel, low carbon intensity biogasoline, low carbon intensity aviation, marine and kerosene fuels as well as fuel oil blends, low carbon intensity ethanol, and low carbon intensity hydrogen, that may be beneficially commercialized directly to consumers. In further aspects, the systems and methods of the present disclosure advantageously generate low carbon intensity comestibles, including sustainably-sourced meal and / or feed. The disclosed systems and methods may be utilized and optimized such that the resulting fuels and foodstuffs are characterized by a reduction in greenhouse gas production and a diminution in the fertilizer, pesticide and water required for producing the associated crop feedstocks.

A residual oil conversion process method and a reaction system belong to the field of oil refining processing, and the process method comprises the following steps: mixing a heavy inferior residual oil raw material with a dispersed molybdenum-containing catalyst and a partially circulated heavy fraction cracking product; after heat exchange and temperature rise, pretreatment is conducted through a 10-30 KHz ultrasonic device; after preheating, entering a slurry bed hydrogenation reactor, and carrying out a hydro-conversion reaction in a hydrogen atmosphere under the conditions of 380-500 DEG C and 5-18 MPa; after subsequent processes and equipment separation, the heavy liquid hydrocarbon part enters a catalytic cracking device and is subjected to a contact reaction with a residual oil cracking catalyst containing aluminum extraction and silicon supplement Y zeolite under the conditions that the temperature is 500-540 DEG C and the catalyst-oil ratio is 5-15; fractionating the product in a fractionating tower; the reaction system comprises an ultrasonic pretreatment device, a slurry bed reactor, a catalytic cracking device, a product fractionating tower and heat exchange, separation and circulation equipment. According to the method, the conversion efficiency and process stability of the heavy inferior residual oil raw material are improved, the yield of light fraction gasoline is increased, the energy consumption is reduced, and the method has good economical efficiency and practicability.

The invention relates to the technical field of engine fuel oil, in particular to a novel fuel oil evaporation system which comprises an engine, an air inlet channel, a fuel oil tank and a carbon tank, a fuel oil pump and a dumping valve are arranged on the fuel oil tank, an adsorption opening and a desorption opening are formed in the carbon tank, the fuel oil pump is connected with the air inlet channel, and the dumping valve is connected with the adsorption opening. A one-way valve is arranged between the air inlet channel and the carbon tank, an inlet of the one-way valve is connected with the adsorption port, and an outlet of the one-way valve is connected with the air inlet channel; a two-way valve is arranged between the fuel tank and the carbon tank, an inlet of the two-way valve is connected with the dumping valve, and an outlet of the two-way valve is connected with the adsorption opening. The gasoline engine has the advantages that waste and pollution caused by direct emission of fuel steam into air are reduced, cost is reduced, the structure is simplified, and the gasoline engine is suitable for a general gasoline generator set.

The invention relates to the technical field of treatment of biological crude oil, in particular to a method for preparing traffic fuel oil from hydrothermal liquefied biological crude oil. The method comprises the following steps: carrying out distillation treatment on hydrothermal liquefied biological crude oil to obtain purified biological oil and distillation residues; carrying out hydrocracking reaction on the purified bio-oil to obtain cracked bio-oil; performing catalytic hydrogenation reaction on the cracked bio-oil to obtain refined bio-oil; and fractionating the refined bio-oil to obtain the traffic fuel oil. By means of the method, conversion from hydrothermal liquefaction of biological crude oil to traffic fuel oil which can be applied to diesel oil, gasoline and aero-engines is achieved. Distillation residues generated in the distillation process are subjected to metal recovery to prepare high-quality biochar for subsequent field returning. The hydrogen used in the hydrogenation process can come from hydrothermal liquefaction wastewater treatment, so that full recycling and energy regeneration of raw materials are realized.

The invention discloses a composite aperture molecular sieve catalytic cracking catalyst and a preparation method thereof, and belongs to the technical field of catalytic cracking, the composite aperture molecular sieve catalytic cracking catalyst comprises 20-30% of a macroporous material, 40-60% of a mesoporous-microporous molecular sieve and 20-30% of a binder; the macroporous material is a macroporous alumina / kaolin compound, and the macroporous alumina / kaolin compound takes macroporous alumina as a core and macroporous kaolin as a shell; the mesoporous-microporous molecular sieve is a ZMQ-1 molecular sieve. According to the mode, the macroporous material is prepared from the macroporous aluminum oxide / kaolin compound, the ZMQ-1 molecular sieve and the binder, and the macroporous material takes macroporous aluminum oxide as a core and macroporous kaolin as a shell in the macroporous aluminum oxide / kaolin compound. The catalyst for catalytic cracking of heavy oil has the advantages of high yields of dry gas, liquefied gas, gasoline and diesel oil, low yields of coke and heavy oil and the like. The secondary cracking reaction of gasoline or diesel oil can be effectively prevented, so that the yield of gasoline and diesel oil is improved.

Disclosed in the present invention are a cryogenic fuel engine cold-start system, a control method, an apparatus, a device, a medium, and a vehicle. The cryogenic fuel engine cold-start system comprises: a cryogenic fuel engine, a cryogenic fuel tank, a master controller, a battery, and a cryogenic fuel injector. The cryogenic fuel tank is connected to a feed port of the cryogenic fuel injector; a nozzle of the cryogenic fuel injector is connected to the cryogenic fuel engine, and is used for injecting a cryogenic fuel to the cryogenic fuel engine; the cryogenic fuel engine is provided with an electric heating apparatus communicationally connected to the master controller; the battery is electrically connected to the electric heating apparatus; and the electric heating apparatus at least comprises an air channel heating apparatus. In the present invention, by means of the air channel heating apparatus arranged in an air inlet channel, a cryogenic fuel jet is boiled, thereby solving the cold-start problem of a cryogenic fuel, i.e., solving the cold-start problem of methanol, and matching an extended-range technology route. In addition, compared with the prior art that gasoline is used for heating, the present invention uses the electric heating apparatus, thereby avoiding the problems in the prior art of emission exceedance and emission aftertreatment that need to be considered when gasoline is used for heating.