30results about How to "No carbon deposition" patented technology

The invention relates to a clean fuel, in particular to a coal-based composite domestic fuel so as to solve the problem that existing domestic fuel oil has a lot of disadvantages. The composite domestic fuel is composed of light coal tar, methanol, a dispersing agent, a corrosion inhibitor, and a combustion-supporting agent. The light coal tar is the distillate distillated from coal tar during fractional distillation under a temperature below 280DEG C, and has a density of 0.91-0.99g / ml. The dispersing agent is any of polyisobutylene succinimide, phosphoric acid amide, alicyclic amine, and succinimide or a mixture of several of them in any proportion. The corrosion inhibitor is any of oleic acid glycol ester, N, N-bis(salicylidene)-propanediamine, benzotriazole, 2, 6-di-tert-butyl-p-cresol or a mixture of several of them in any proportion. The combustion-supporting agent is any of calcium naphthenate, magnesium naphthenate, iron naphthenate, and ferrocene or a mixture of several of them in any proportion. Being easy to ignite, the composite domestic fuel provided in the invention has good atomizing performance, more sufficient combustion, as well as higher thermal efficiency, the smoke blackness and other emission indexes all meet the requirements, and the economic effects are more significant.

The present invention relates to an application of a NiO / MgO solid solution catalyst in a coke oven coal gas steam reforming hydrogen production method at a low water carbon ratio, wherein a mass percentage of Ni is 6.9-43%, and the catalyst has characteristics of simple preparation process, high activity at a high temperature and a low water carbon ratio, no carbon deposition and good stability. According to the present invention, during a reforming process at a temperature of 875 DEG C and a H2O / CH4 ratio of 1, a methane conversion rate is maintained to 95-98%, and a carbon dioxide conversion rate is maintained to 52-54%; at a temperature of 875 DEG C and SV of 12600 mL / g.h, when a H2O / CH4 molar ratio is increased to 0.9 from 0.3, a methane conversion rate is correspondingly increased to 98.3% while a carbon dioxide conversion rate is reduced to 67.2% from 88. 4%; and when a reaction temperature is increased to 900 DEG C from 600 DEG C, a methane conversion rate and a carbon dioxide conversion rate are respectively increased to 98.7% and 601%.

The invention belongs to the technical field of preparation of ethyl benzene through catalytic dry gas, and discloses a preparation method of ethyl benzene by adopting alkylation exhaust gas generated in the process of preparing styrene by adopting catalytic dry gas. The method comprises the following steps: separating ethane, demethanizing, deethanizing, performing oxidative dehydrogenation, dehydrating and depickling, performing hydrocarbylation reaction, and separating ethyl benzene. A preferred adsorbent and the cyclic utilization technology of ethane and the adsorbent can minimize the preparation cost of ethyl benzene, the technology is simple and the recyclability is high. Under appropriate technological conditions, the total conversion rate of ethane can reach above 88%, the overall selectivity of ethylene generating ethyl benzene can reach above 80%, the purity of ethyl benzene can reach above 83%, and the recovery rate of the adsorbent can reach above 99%.

The invention relates to an automobile gasoline composite modifying agent. The raw material of the modifying agent is prepared from the following components in percentage by weight: 25-50% of an octane value promoter, 30-50% of a combustion improver and 20-25% of a latent solvent, wherein the octane value promoter comprises the following components in percentage by weight: 20-45% of sec-butyl acetate, 30-40% of diisopropyl ether, 5-10% of absolute ethyl alcohol and 20-30% of methyl tert-butyl ether; the combustion improver comprises the following components in percentage by weight: 10-20% of cyclopentane, 47-50% of mixed light arene, 30-40% of alkylate and 3-6% of 1# jet fuel; and the latent solvent comprises the following components in percentage by weight: 10-30% of acetone, 25-30% of dimethoxy ethane, 20-25% of industrial isobutyl alcohol, 22.5-28% of industrial isopropyl alcohol, 1-4% of trinitromethane, 1-2% of glycol ethylene ether, 0.1-0.2% of a clearing agent polyisobutene succinimide, 0.2-0.4% of a metal deactivator T1201 and 0.2-0.4% of an antioxidant. By adopting the automobile gasoline composite modifying agent, a three-way catalyst of an organic ashless exhaust system cannot be poisoned, a fuel spray nozzle and a cylinder exhaust valve cannot be abraded, and carbon deposition and abrasive particles cannot be generated in a machine body.

The invention relates to air compressor oil, comprising a phenolic antioxidant, a phenylamino antioxidant, an olefine acid antioxidant, a metal deactivator, an ash-free antiwear agent, a defoamer, a light-sensitive agent, a hydrogenation paraffin base oil fraction, a hydrogenation naphthenic base oil and a hydrogenated alkyl high boiling substance. The invention also provides a preparation method of the air compressor oil. The air compressor oil disclosed by the invention has excellent high-temperature carbon deposit resistance, excellent high-temperature oxidation resistance, and excellent abrasion resistance, and simultaneously has excellent lubricating property, anti-foaming property and demulsibility on the product, the cost performance of the product is improved, the performances of the synthetic air compressor oil and composite synthetic air compressor oil are achieved, and the long-term work requirements of single-screw and dual-screw air compressors are completely met.

The invention discloses alcohol-based vehicle fuel, and belongs to the field of fuel. The alcohol-based vehicle fuel is prepared from the following components in percentage by weight: 50-75% of methanol, 10-30% of ethyl alcohol, 4-10% of butanol, 3-11% of additives, 2-7% of corruption inhibitors, and 5-10% of octane value accelerants. The alcohol-based vehicle fuel disclosed by the invention can replace traditional automobile fuel and has higher octane values and combustion values, the tail gas emission can be quantitatively reduced, and the alcohol group fuel is clean and environment-friendly.

The invention relates to an electrochemical reforming system for dry reforming of methane and carbon dioxide and a construction method and a using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide. The electrochemical reforming system for dry reforming of methane and carbon dioxide and the construction method and the using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide aim at solving the problem that because of high-temperature condition limitation in an existing reforming reaction and carbon deposition, catalyst deactivation is caused. The system comprises a plurality of electrolytic tank thin pieces, a reactor and an external power source. The construction method includes the steps that firstly, an electrolyte thin film is prepared through a tape casting method; secondly, electrodes are prepared through a silk-screen printing method, and , and porous electrodes are obtained through a pore-forming agent and high-temperature calcination; thirdly, a confluence layer is prepared, and the electrolytic tank thin pieces are obtained after high-temperature sintering; and fourthly, the electrolytic tank thin pieces are placed in the reactor, and the power source is connected. The constructed system has the characteristics that the methane conversion efficiency is high, synthetic gas selectivity is high, and carbon deposition is avoided, and the preparation technology is simple, low in cost and easy and convenient to operate. The electrochemical reforming system for dry reforming of methane and carbon dioxide and the construction method and the using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide belong to the electrochemical reforming field of dry reforming of methane and carbon dioxide.

An improved cylinder features that two parallel piston rings are in a slot on piston, the joint of piston ring is butt connected in step mode, the joints of two piston rings are staggered. It is possible that two piston rings are sleeved together. Its advantages are high durability and sealing performance, and elongated service life of engine.

The invention provides a graphene modified conductive polystyrene composite material for a precision electronic carrier tape and a preparation method thereof. The graphene modified conductive polystyrene composite material contains a polymer formed by the following components: polystyrene, a grafting agent and an organic amine modified conductive filler, wherein the conductive filler comprises graphene. The polystyrene-based composite material has good shrinkage rate, high strength and excellent electrical properties; all the components in the composite material have good interfacial compatibility, and chemical crosslinking or physical entanglement among all the components is sufficient, so interface bonding strength is high, surface resistance is uniform, the surface is fine and smooth, and a crystal point phenomenon is not liable to occur; and thus, at least part of the electronic carrier tape formed by the polystyrene-based composite material is not liable to have the problems of pocket deformation, tape strip tearing and unsmooth bag entry and exit of electronic components, the phenomenon of carbon deposition is avoided, and high flatness is realized.

The invention relates to a vehicle methanol fuel capable of protecting machines, the vehicle methanol fuel comprises, by weight, 90%-99% of methanol and 1%-10% of a stable modifying agent, the stable modifying agent comprises, by weight, 1-50 parts of isopropanol, 1-50 parts of n-hexane, 1-50 parts of acetone, 1-50 parts of ethanol, 1-50 parts of n-propanol, 1-50 parts of ethyl acetate, 1-50 parts of methyl tert butyl ether, 1-50 parts of tert butyl alcohol, 1-50 parts of isopropyl ether, 1-50 parts of neutral red, 1-50 parts of xylene and 1-50 parts of diethyl malonate. The product octane number of the vehicle methanol fuel is more than 90 via detecting, the vehicle methanol fuel has a plurality of advantages of good antiknock quality and stability, suitable vaporability, excellent cleaning property, non corrosiveness and the like, and compared with gasoline of the same kind, the mechanical wear is less, and the potential corrosion effect of the methanol on engine system components can be eliminated.

The invention discloses a non-pressure gasified liquid fuel combustor which comprises a liquid fuel gasifying cup, wherein the liquid fuel gasifying cup is provided with a liquid fuel gasifying chamber with an upper opening. A heat conductive tube extending upwards is arranged in the middle of the liquid fuel gasifying chamber. A fire cover located at the upper opening of the liquid fuel gasifying chamber is arranged between the heat conductive tube and the liquid fuel gasifying chamber. A gasified fuel outlet is arranged on the fire cover and / or between the fire cover and the liquid fuel gasifying chamber. A preheating groove is arranged on the outer wall of the liquid fuel gasifying chamber, and the bottom of the preheating groove is lower than or equal to the bottom face of the liquid fuel gasifying chamber. The liquid fuel gasifying chamber is provided with a liquid fuel inlet connected with a liquid fuel inlet tube and an overflow opening for communicating the liquid fuel gasifying chamber with the preheating groove. The invention further discloses a non-pressure gasified liquid fuel combustion cooker which can gasify and combust the liquid fuel in a non-pressurizing condition.

The invention specifically relates to an alcohol-based liquid fuel with high calorific value and a preparation method thereof. The alcohol-based liquid fuel comprises the following raw materials by weight: 85 to 90 parts of methanol, 10 to 15 parts of C12 fuel oil, 5 to 10 parts of octanol, 15 to 20 parts of methylal, 1 to 4 parts of a deodorant and 10 to 15 parts of an additive. The additive comprises the following raw materials by weight: 5 to 10 parts of ethanol, 3 to 5 parts of glyceryl triacetate, 4 to 7 parts of a cationic fluorocarbon surfactant, 3 to 5 parts of ferrocene, 10 to 15 parts of a hydrocarbon compound, 10 to 15 parts of a combustion improver, 3 to 5 parts of a stabilizing agent and 3 to 5 parts of an antidetonant. According to the invention, the components of the alcohol-based liquid fuel with high calorific value cooperate with each other, so the alcohol-based liquid fuel is thorough in combustion, high in combustion heat value and free of carbon deposition, and hasgood intersolubility with gasoline, good corrosion resistance, good vaporability and good positive additivity.

The invention discloses a high-temperature energy-saving furnace comprising an igniter arranged on a furnace base, an ignition oil inlet and a furnace pipe which is buckled on the furnace base and communicated with an oil delivery pipeline, wherein the furnace pipe comprises an outer pipe, a pipe base, fuel pipes, a three-way pipeline, an evaporation ball body and at least one inner pipe; the pipe base is fixedly arranged at the bottom of the outer pipe; the oil delivery pipeline is communicated with the outer pipe; the outer pipe and each inner pipe as well as the inner pipes are communicated through the fuel pipes, tapered in diameter and coaxially arranged; the three-way pipeline is respectively communicated with the inner pipes and an inner oil delivery cavity of the evaporation ball body at the bottoms of the inner pipes; the upper part of the evaporation ball body is provided with multiple oil spit holes. According to the furnace, liquid fuel is converted into gas fuel through cyclic gasification of the furnace pipe, the fuel molecular formula effect of the liquid fuel is changed, the use ratio of the gas fuel is increased by 30-40% when being compared with that of existing fuel, the pressure of the fuel is improved and then the combustion temperature is increased accordingly, no smoke, smell and carbon deposition residue exist in the combustion process, the full utilization of resources is realized, and the low-carbon, energy-saving and environment-friendly effects are realized.

The invention relates to the technical field of catalysts, and provides an organic contaminated soil thermal desorption waste gas catalytic oxidation purification catalyst and a preparation method and application thereof. The catalyst provided by the invention comprises a matrix, a carrier and active components, the matrix is honeycomb cordierite, the carrier is a CeO2-ZrO2 compound or a CeO2-ZrO2-R compound (R is one or more of La2O3, Co3O4, Y2O3 and SiO2), the active components are MnO2 and RuO2, and an auxiliary agent WO3-TiO2 is further loaded on the matrix. The catalyst provided by the invention has high catalytic efficiency in a temperature range of 450-650 DEG C, can completely convert organic contaminated soil thermal desorption waste gas, has good high-temperature stability, strong sintering resistance and carbon deposition resistance, and also has good alkali, alkaline earth and heavy metal resistance, chlorine resistance and sulfur poisoning resistance.

The invention belongs to the technical field of liquid fuel, and more specifically relates to a high-energy alcohol-based fuel additive for military use and a preparation method thereof. The additivecomprises the following raw materials in parts by weight: 5-10 parts of ethanol, 3-5 parts of triacetin, 4-7 parts of a cation fluorocarbon surfactant, 1-4 parts of ferric nitrate, 10-15 parts of a hydrocarbon compound, 10-15 parts of a combustion improver, 3-5 parts of a stabilizing agent, 3-5 parts of an anti-knock agent, and 1-4 parts of a deodorant. The composite additive can be added into thealcohol-based fuel, in order to substantially improve calorific value of the fuel, ensure fully and thoroughly combustion without generation of carbon deposition phenomenon, and improve corrosion resistance and stability of the fuel.

The invention discloses a high-reliability and large power adjusting ratio diesel combustor. The high-reliability and large-power adjusting ratio diesel combustor comprises an outer wall, a flame cup, a flame restraining ring, a shell, a base, a revolving cup, an oil pump, an oil pipe, a motor, a motor supporting frame, a wind wheel, a heat isolation plate, an igniter, a flame detector and an oil releasing pipe. Oil is supplied to the combustor through the oil pump, the motor drives the wind wheel and the revolving cup and the same time, the wind wheel supplies wind to combustion, the revolving cup atomizes diesel, and a combustion cavity is formed by the area between the flame cup and the revolving cup. The wind enters the combustion cavity through a circumferential wall face hole and a center hole of the flame cup. The flame cup is provided with the flame restraining ring for enhancing the rigidity of flames. The igniter and a flame detection sensor are arranged at the bottom of the flame cup. The high-reliability and large-power adjusting ratio diesel combustor is compact in structure, reliable ignition and long-time stable combustion in the open environment at the altitude ranging from 0 m to 5,000 m and the air temperature ranging from -40 DEG C to 40 DEG C or a closed hearth can be achieved; and the flame rigidity is good, combustion is sufficient, the flames can be blue, and the combustion power adjusting ratio can reach 6:1.

The invention relates to a solid solution catalyst for hydrogen production by partial oxidation reforming of methane in coke oven gas. The solid solution catalyst is a CoO / MgO solid solution catalyst comprising, by mass, 6.9-35% of Co, or an NiO / MgO solid solution catalyst comprising, by mass, 6.9-43% of Ni. The solid solution catalyst has the advantages that on a reforming test condition, the NiO / MgO solid solution catalyst is good in catalytic activity and high in stability, and the catalytic activity of the NiO / MgO solid solution catalyst keeps unchanged basically after the reforming test for 100 hours.

The invention discloses a catalyst for preparing a synthetic gas by partially oxidizing methane and a preparation method of the catalyst, and relates to nano catalysts for preparing synthetic gases. The catalyst for preparing the synthetic gas by partially oxidizing methane takes SiO2 as a carrier and CeO2 as an additive, and is prepared from the following components in percentage by mass: 0.005-1% of an active component Rh, 5-30% of an additive CeO2 and the balance of SiO2, wherein the particle size of Rh is 1-2nm and the specific surface area of Rh is 350-450m<2> / g. The preparation method comprises the following steps: 1) soaking the carrier in a nitric acid solution, washing till the pH value is 6.5-7.0 and drying for later use; 2) respectively preparing a rhodate solution and a cerate solution according to the content ratios of the components of the catalyst, and mixing the solutions into a mixed steeping liquid according to the ratios of the components of the catalyst; and 3) mixing SiO2 obtained in the step 1) with the steeping liquid obtained in the step 2), steeping, drying, and roasting, so as to obtain the catalyst for preparing the synthetic gas by partially oxidizing methane.

The invention discloses a catalyst for preparing a synthetic gas by partially oxidizing methane and a preparation method of the catalyst, and relates to nano catalysts for preparing synthetic gases. The catalyst for preparing the synthetic gas by partially oxidizing methane takes SiO2 as a carrier and CeO2 as an additive, and is prepared from the following components in percentage by mass: 0.005-1% of an active component Rh, 5-30% of an additive CeO2 and the balance of SiO2, wherein the particle size of Rh is 1-2nm and the specific surface area of Rh is 350-450m<2> / g. The preparation method comprises the following steps: 1) soaking the carrier in a nitric acid solution, washing till the pH value is 6.5-7.0 and drying for later use; 2) respectively preparing a rhodate solution and a cerate solution according to the content ratios of the components of the catalyst, and mixing the solutions into a mixed steeping liquid according to the ratios of the components of the catalyst; and 3) mixing SiO2 obtained in the step 1) with the steeping liquid obtained in the step 2), steeping, drying, and roasting, so as to obtain the catalyst for preparing the synthetic gas by partially oxidizing methane.

The invention discloses a device for extracting and concentrating an arsenic-containing sample to be tested. The device comprises a concentration bottle (2), a constant-temperature heater (1), an SO3 absorption bottle (9) and a gas guide pipe (5), wherein the concentration bottle (2) is arranged on the constant-temperature heater (1); the absorption bottle (9) is filled with alkali absorption liquid; the concentration bottle (2) and the absorption bottle (9) are provided with ground stoppers; the concentration bottle (2) is connected with the absorption bottle (9) through the gas guide pipe (5); and the tail end of the gas guide pipe (5) extends into the alkali absorption liquid. When the device is used for extracting and condensing the arsenic-containing sample, arsenic content is not affected and arsenic measuring accuracy is enhanced; simultaneously, environmental pollution is prevented in extraction and concentration processes.

The invention belongs to the technical field of fuel. High-calorific-value environment-friendly combustion oil is disclosed and comprises the following components in percentage by mass: 5-10% of methanol, 0.01-1% of ethanol, 5-10% of 1,2-propylene glycol, 35-45% of ethylene glycol, 1-3% of 1,3-dioxane-2-methanol, 30-40% of 1,2-butylene glycol, 0.01-1% of 1,2-hexanediol, 0.01-1% of 1,4-butylene glycol, and 0.01-1% of diethylene glycol, with the balance being water. The combustion oil is high in combustion heat value, sufficient and thorough in combustion, free of carbon deposition after combustion, stable in flame, high in combustion efficiency, good in safety, efficient and environmentally friendly.

The invention discloses a non-pressure gasified liquid fuel combustor which comprises a liquid fuel gasifying cup, wherein the liquid fuel gasifying cup is provided with a liquid fuel gasifying chamber with an upper opening. A heat conductive tube extending upwards is arranged in the middle of the liquid fuel gasifying chamber. A fire cover located at the upper opening of the liquid fuel gasifying chamber is arranged between the heat conductive tube and the liquid fuel gasifying chamber. A gasified fuel outlet is arranged on the fire cover and / or between the fire cover and the liquid fuel gasifying chamber. A preheating groove is arranged on the outer wall of the liquid fuel gasifying chamber, and the bottom of the preheating groove is lower than or equal to the bottom face of the liquid fuel gasifying chamber. The liquid fuel gasifying chamber is provided with a liquid fuel inlet connected with a liquid fuel inlet tube and an overflow opening for communicating the liquid fuel gasifying chamber with the preheating groove. The invention further discloses a non-pressure gasified liquid fuel combustion cooker which can gasify and combust the liquid fuel in a non-pressurizing condition.

Provided is a biomass fuel environmental-friendly energy-saving furnace. At present, a large number of boilers use biomass fuel for heating, a large amount of heat is lost and runs into the air in vain by using boiler flues, a large amount of heat is wasted, and the air and the environment are polluted. The biomass fuel environmental-friendly energy-saving furnace comprises a waste heat recovery accumulator body (1) with a circulating water pipe. A group of smoke guiding pipes (2) is arranged in the waste heat recovery accumulator body, the smoke guiding pipes are connected with a boiler (3),and the other ends of the smoke guiding pipes are connected with a smoke guiding machine (4). The biomass fuel environmental-friendly energy-saving furnace is used for the biomass fuel boiler.

The invention discloses environment-friendly combustion oil, which relates to the technical field of fuel oil production and processing and comprises the following components in percentage by mass: 5 to 10 percent of methanol, 0.01 to 1 percent of ethanol, 5 to 10 percent of 1, 2-propylene glycol, 35 to 45 percent of ethylene glycol, 1 to 3 percent of 1, 3-dioxane-2-methanol, 30 to 40 percent of 1, 2-butanediol, 0.01 to 1 percent of 1, 2-hexanediol, 0.01 to 1 percent of 1, 4-butanediol, 0.01 to 1 percent of diethylene glycol and the balance of water. The production process comprises the following steps: adding the emulsifier and the surfactant into the combustion oil and mixing in proportion to obtain mixed combustion oil; stirring the mixed combustion oil at a high speed; carrying out offset mixing and stirring on the mixed combustion oil; and mixing the mixed combustion oil with water in proportion to obtain emulsified combustion oil. According to the invention, methanol and various alcohols are mixed, so that the combustion oil can better in sufficient and thorough low-temperature combustion, and is efficient and environment-friendly; the energy-saving and environment-friendly emulsified combustion oil prepared from the combustion oil, the emulsifier and the water in proportion can be produced, an oil-water-oil triple structure is formed, and the production efficiency is high.

The invention relates to an electrochemical reforming system for dry reforming of methane and carbon dioxide and a construction method and a using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide. The electrochemical reforming system for dry reforming of methane and carbon dioxide and the construction method and the using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide aim at solving the problem that because of high-temperature condition limitation in an existing reforming reaction and carbon deposition, catalyst deactivation is caused. The system comprises a plurality of electrolytic tank thin pieces, a reactor and an external power source. The construction method includes the steps that firstly, an electrolyte thin film is prepared through a tape casting method; secondly, electrodes are prepared through a silk-screen printing method, and , and porous electrodes are obtained through a pore-forming agent and high-temperature calcination; thirdly, a confluence layer is prepared, and the electrolytic tank thin pieces are obtained after high-temperature sintering; and fourthly, the electrolytic tank thin pieces are placed in the reactor, and the power source is connected. The constructed system has the characteristics that the methane conversion efficiency is high, synthetic gas selectivity is high, and carbon deposition is avoided, and the preparation technology is simple, low in cost and easy and convenient to operate. The electrochemical reforming system for dry reforming of methane and carbon dioxide and the construction method and the using method of the electrochemical reforming system for dry reforming of methane and carbon dioxide belong to the electrochemical reforming field of dry reforming of methane and carbon dioxide.

The invention discloses a fuel gas and natural gas energy-saving device, which comprises a shell, wherein a shell cover covers the shell, a cylinder is arranged above the shell cover, one side of thecylinder communicates with a gas inlet pipe, the lower portion of the other side of the shell communicates with a gas outlet corrugated pipe, an air filter core is arranged in the cylinder, one end ofthe air filter core communicates with the gas inlet pipe, a groove table is arranged above the interior of the shell, an air filter plate is erected on the groove table, and an active oxygen filter core is installed in the middle of the interior of the shell through a clamping and fixing assembly. According to invention, air is subjected to double filtration through the pleated edge filter cylinder and the lining filter cylinder in the air filter core, particle impurities in the air are adsorbed under the action of the active adsorption balls, and then the air is filtered again through the air filter plate, so that unfiltered impurities in the previous step are removed, various purified substances are prevented from being attached to air molecules, the air quality is optimized, sufficiency of oxygen is guaranteed, and a combustion system is purified.

The invention discloses an alcohol-based vehicle fuel, which belongs to the fuel field and is made of the following components in weight percent: 50-75% of methanol, 10-30% of ethanol, 4-10% of butanol, and 3-11% of additives , Corrosion inhibitor 2~7%, octane booster 5~10%. The alcohol-based vehicle fuel of the invention can replace traditional vehicle fuel, has higher octane number and combustion value, can quantitatively reduce tail gas emission, and is clean and environment-friendly.

The invention specifically relates to an alcohol-based liquid fuel with high calorific value and a preparation method thereof. The alcohol-based liquid fuel comprises the following raw materials by weight: 85 to 90 parts of methanol, 10 to 15 parts of C12 fuel oil, 5 to 10 parts of octanol, 15 to 20 parts of methylal, 1 to 4 parts of a deodorant and 10 to 15 parts of an additive. The additive comprises the following raw materials by weight: 5 to 10 parts of ethanol, 3 to 5 parts of glyceryl triacetate, 4 to 7 parts of a cationic fluorocarbon surfactant, 3 to 5 parts of ferrocene, 10 to 15 parts of a hydrocarbon compound, 10 to 15 parts of a combustion improver, 3 to 5 parts of a stabilizing agent and 3 to 5 parts of an antidetonant. According to the invention, the components of the alcohol-based liquid fuel with high calorific value cooperate with each other, so the alcohol-based liquid fuel is thorough in combustion, high in combustion heat value and free of carbon deposition, and hasgood intersolubility with gasoline, good corrosion resistance, good vaporability and good positive additivity.

The invention relates to air compressor oil, comprising a phenolic antioxidant, a phenylamino antioxidant, an olefine acid antioxidant, a metal deactivator, an ash-free antiwear agent, a defoamer, a light-sensitive agent, a hydrogenation paraffin base oil fraction, a hydrogenation naphthenic base oil and a hydrogenated alkyl high boiling substance. The invention also provides a preparation method of the air compressor oil. The air compressor oil disclosed by the invention has excellent high-temperature carbon deposit resistance, excellent high-temperature oxidation resistance, and excellent abrasion resistance, and simultaneously has excellent lubricating property, anti-foaming property and demulsibility on the product, the cost performance of the product is improved, the performances of the synthetic air compressor oil and composite synthetic air compressor oil are achieved, and the long-term work requirements of single-screw and dual-screw air compressors are completely met.