CN109609205A - A kind of alcohol-based diesel oil fuel and preparation method thereof - Google Patents

A kind of alcohol-based diesel oil fuel and preparation method thereof Download PDF

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CN109609205A
CN109609205A CN201811521529.2A CN201811521529A CN109609205A CN 109609205 A CN109609205 A CN 109609205A CN 201811521529 A CN201811521529 A CN 201811521529A CN 109609205 A CN109609205 A CN 109609205A
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alcohol
parts
grease
acidification
diesel oil
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苑瀚文
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/12—Inorganic compounds
    • C10L1/1216—Inorganic compounds metal compounds, e.g. hydrides, carbides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1608—Well defined compounds, e.g. hexane, benzene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/1817—Compounds of uncertain formula; reaction products where mixtures of compounds are obtained
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof

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  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Lubricants (AREA)
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Abstract

The invention discloses a kind of alcohol-based diesel oil fuel and preparation method thereof, alcohol-based diesel oil fuel includes 90-110 parts of methanol, acidification grease 50-100 parts, 0.09-1.1 parts of CnH2n+2 (n >=5), 0.13-0.16 parts of higher alcohol, 0.48-0.58 parts of toluene, 0.14-0.15 parts of benzene, 0.52-0.58 parts of copper oxide, 0.22-0.27 parts of zinc oxide, 0.6-0.9 parts of aluminium oxide.The preparation method comprises the following steps: acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide are heated and refluxed for reacting with steam under normal pressure, clout is obtained；C is added after clout is cleanednH2n+2(n >=5), higher alcohol, toluene and benzene are stirred, and are then distilled, and distillate is obtained；By distillate cooling and solid is filtered out to get alcohol-based diesel oil fuel.The present invention can substitute the use of petrochemical industry 0# diesel oil completely, and performance is stablized, is worth of widely use.

Description

A kind of alcohol-based diesel oil fuel and preparation method thereof
Technical field
The present invention relates to clean energy technology field more particularly to a kind of alcohol-based diesel oil fuels and its system for motor vehicle Preparation Method.
Background technique
Alcohol-based fuel is exactly the fuel configured based on alcohols (such as methanol, ethyl alcohol, butanol) substance.It is with liquid Or existing for solid form, biomass energy, qualified alcohol-based fuel are belonged to as nuclear energy, solar energy, wind power energy, hydraulic energy It is no different in the application with regular price gasoline, it is more stronger than regular price gasoline dynamic property；For traditional diesel oil, can more fully it fire It burns, is nearly free from flue dust, no carbon distribution is more environmentally friendly, and in today of fossil energy exhaustion, alcohol-based fuel is existing most potential Novel alternative energy source, the environment protection clean energy just widelyd popularize for national governments.
The manufacture craft of alcohol-based fuel is complicated not as common diesel or gasoline, mainly control additive ingredient and Ratio, the alcohols of rational proportion is mixed with gasoline in addition；But the calorific value of alcohol radical is lower, synthetic technology difficulty is big, to close It is being answered at the technical research and practice that the fuel requirement to compare favourably with gasoline, diesel oil is more advanced, such as underproof alcohol-based fuel Will appear in be easy flame-out, high temperature vapour lock, damage oil pump and oil circuit, corrosion fuel tank oil pipe, cold vehicle are not easy to start, idling vehicle body Phenomena such as shake, dynamic property decline.Application No. is the Chinese invention patent of CN201010534061.8, to disclose a kind of alcohol radical multiple Close diesel oil, parts by weight of raw materials proportion are as follows: methanol 80-89, diesel oil 3-8, petroleum ether 1-3, ethyl alcohol 1-3, ferrocene 0.2-0.6, Sodium hydroxide 0.1.Although the patent efficiency of combustion is higher, quantity of methyl alcohol therein is high, and it is lower that there are calorific values, easy atomization, The problem of gasification and evaporation, and simple relying on adds calorific value enhancer, increases hydrocarbon content, reduces the safety of alcohol-based fuel Performance is unfavorable for the popularization of alcohol-based fuel.
Summary of the invention
It is an object of the invention to overcome defect described in the prior art, thus provide a kind of alcohol-based diesel oil fuel and its Preparation method, the alcohol-based diesel oil fuel increase to the dynamic property of diesel engine compared with national standard 0# light diesel fuel, and operation is made an uproar Sound level is constant, and indices performance is up to state standards, and can substitute the exclusive use of petrochemical industry 0# diesel oil or and petrochemical industry completely Diesel oil is used in mixed way, and performance is stablized, and long term storage is not muddy, never degenerates, without suspended matter, the nocuousness such as CO that when burning discharges Gas is fewer than petrifaction diesel, and environmental protection index is better than 0# diesel oil.
To achieve the goals above, the present invention provides the following technical solutions as follows:
A kind of alcohol-based diesel oil fuel, the raw material including following parts by weight:
90-110 parts of methanol, acidification grease 50-100 parts, CnH2n+20.09-1.1 parts of (n >=5), higher alcohol 0.13-0.16 Part, 0.48-0.58 parts of toluene, 0.14-0.15 parts of benzene, 0.52-0.58 parts of copper oxide, 0.22-0.27 parts of zinc oxide, aluminium oxide 0.6-0.9 parts.
Preferably: the alcohol-based diesel oil fuel, the raw material including following parts by weight:
100 parts of methanol, acidification 80 parts of grease, CnH2n+20.1 part of (n >=5), 0.15 part of higher alcohol, 0.484 part of toluene, benzene 0.1456 part, 0.55 part of copper oxide, 0.24 part of zinc oxide, 0.75 part of aluminium oxide.
Preferably: the CnH2n+2(n >=5) include that mass ratio is (14-15): the trans- 2- amylene and 1- hexene of (21-22).
Further: the CnH2n+2(n >=5) include the trans- 2- amylene and 1- hexene that mass ratio is 14.96:21.52.
Preferably: the preparation method of the acidification grease, comprising the following steps:
(1) 15-30 DEG C at a temperature of, the concentrated sulfuric acid is slowly added into natural oil and obtains the first mixture, wherein described The additional amount of the concentrated sulfuric acid is the 10-25wt% of the natural oil, and time control is added in 1.5-3 hours；
(2) by first mixture under conditions of 30-60 DEG C insulated and stirred 2-3h, ammonium hydroxide is then added, in 40-52 DEG C temperature in be neutralized to pH value be 6.8-7.2, obtain the second mixture；
(3) ammonium sulfate that mass concentration is 10-20wt%, stirring to emulsus are added in the second mixture of Xiang Suoshu Liquid stands to being layered, obtains third mixture；
(4) ammonium sulfate of third mixture lower layer is pumped to get acidification grease.
Preferably: the preparation temperature of third mixture described in step (3) is controlled at 30-60 DEG C.
Preferably: the time of stirring described in step (3) is 45-60min, and time of repose is 10h or more.
Preferably: the preparation method of the acidification grease further includes the steps that defective goods screen out, and the defective goods screen out to walk Suddenly the distilled water that (4) resulting acidification grease is 53-57 DEG C with temperature is emulsified, the acidification grease and the distilled water Volume ratio is 1:50, as solution is creamy white, and places 3h or more without oil slick, as qualified acidification grease, if otherwise for not It is qualified.
A method of preparing the alcohol-based diesel oil fuel, comprising the following steps:
S1, by the acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide under normal pressure with steam heat and in 65- Back flow reaction 4-8 hours at a temperature of 75 DEG C, after back flow reaction, steams and returned in extra methanol steam feeding absorption tower It receives, obtains clout；
S2, after the clout is stood 1-2h, sour water is discharged, the C is added after washing and dehydrationnH2n+2(n≥5)、 Higher alcohol, toluene and benzene are stirred, and are then steamed under conditions of vacuum degree is 0.9, liquidus temperature is 220-280 DEG C It evaporates, obtains distillate；
S3, the distillate is cooled to 0 DEG C in cooling tower, filtering removes solid be precipitated, gained at this temperature Liquid is alcohol-based diesel oil fuel.
Methanol (Methanol, dried, CH3OH) architecture saturated monohydroxy alcohol the simplest, also known as " another name for " or " wood Essence ", inflammable, steam and air can form explosive mixture.Meet open fire, high thermal energy causes combustion explosion.It is connect with oxidant It triggers biochemical reaction or causes to burn.In the scene of a fire, heated container has explosion danger.It can be diffused into lower quite remote Place, meeting open fire can draw and strile-backs.Combustion decomposition carbon monoxide, carbon dioxide, methanol are important fuel, and methanol is adding deeply It can be used as a kind of Novel clean-fuel after work, gasoline be also added and mixes burning.
Acidification oil refer to the byproduct soap stock produced to oil refining plant carry out acidification obtained oil. (our people is edible based on vegetable oil, and most of edible oil is both needed to refine.With crude oil kind, impurity content and eat Oily grade, their refining are paid no attention to, but are generally divided into alkali refining and aquation two major classes, the former claims soap by resulting sediment Foot, the latter claim oil foot) acidification oil is substantially fatty acid, wherein containing pigment and unacidified triglycerides, diglyceride, The Multiple components such as monoglyceride (neutral oil).Here fatty acid is long chain fatty acids, carbochain generally between 12 to 24, wherein with Based on 16 to 18；Depending on oil source difference, there are the different distributions of saturation and unsaturated carbon chains in acidification oil.
CnH2n+2(n >=5) i.e. phosphorus content is more than or equal to 5 aliphatic saturated hydrocarbon, also known as alkane, normal temperature and pressure (1 atmospheric pressure) Under, (methane to butane) of the amount of carbon atom between 1-4 is gaseous state, and (pentane to heptadecane) between 5-17 is liquid, 18 The above are solid-states for a carbon (octadecane), and alkane property is very stable, because c h bond and C-C double bond are relatively stable, it is difficult to be broken, institute Some alkane can burn, and exothermic heat of reaction is extremely more, and alkane completely burned generates CO2And H2O, alkane is inflammable and explosive, and storage and transportation is held Device should meet security regulations, prevent from exposing to the sun and rain, and be stored in the place of shady and cool ventilation, the fire prevention measure that keeps fire away, has.
Higher alcohol is also known as higher aliphatic, refers to containing there are six the mixtures of the above monohydric alcohol of carbon atom.
Toluene is also known as methylbenzene, phenylmethane, is colorless clear liquid, has benzene sample smell, inflammable, steam can be with air shape At explosive mixture, explosion limit 1.2%-7.0% (volume), toluene is largely used as solvent and high-knock rating gasoline addition The important source material of agent and organic chemical industry.Inflammable, steam and air can form explosive mixture, meet open fire, high thermal energy draws Combust explosion.Its steam of toluene is heavier than air, and quite remote place can be diffused into lower, meets fire source and can catch fire and strile-backs.
Benzene is that a kind of height is inflammable at normal temperature, dulcet colourless liquid, is a kind of organic compound, and composition The simplest aromatic hydrocarbon of structure.Benzene is also the base stock of petrochemical industry, and the yield of benzene and the technical level of production are a states One of the mark of family's petrochemical industry development level.Benzene heat, open fire, strong oxidizer burning, thermally decompose pungent stimulation smog.
Copper oxide is also known as Filamentous copper oxide, linear copper oxide etc., is a kind of black oxide of copper, shows slightly both sexes, slightly Hygroscopicity.Relative molecular mass is 79.545, density 6.3-6.9g/cm, 1326 DEG C of fusing point.Not soluble in water and ethyl alcohol, is dissolved in Acid, ammonium chloride and potassium cyanide solution are slowly dissolved in ammonia solution, can react with highly basic, can be used as the desulfurizing agent of oils, hydrogenate Agent, organic catalyst compound etc..
Zinc oxide (ZnO), is commonly called as Zinc Oxide, zinc white, zinc white, is a kind of oxide of zinc.It is insoluble in water, dissolves in acid And highly basic.Zinc oxide is a kind of common chemical addition agent, is widely used in plastics, silicate product, synthetic rubber, lubrication In the production of the products such as oil, paint, ointment, adhesive, food, battery, fire retardant.Zinc oxide can occur in fatty acid Slowly reaction, generates corresponding carboxylate, such as oleate and stearate.Zinc oxide can react with hydrogen sulfide, The reaction is commonly used to remove the hydrogen sulfide in mixed gas: ZnO+H in industrial production2S→ZnS+H2O。
Aluminium oxide is also known as aluminum oxide, corundum, alumina, alumina, Al2O3There are many allomorphisms, and what is be currently known has More than 10 kinds, mainly there are 3 kinds of crystal forms, i.e. γ-Al2O3、β-Al2O3、α-Al2O3.Wherein structure heterogeneity is also different, at 1300 DEG C α-Al is almost completely converted into when the above high temperature2O3.It is mainly used as the analytical reagent, dehydration of organic solvent, adsorbent, organic The defluorinate of recycling paraffins in catalysts, grinding agent, polishing agent, the raw material for smelting aluminium, refractory material and alkylbenzene production Agent.
Natural oil refers to the grease directly extracted from nature animals and plants, including neat's foot oil, tallow, suet, lard, Horse fat, fish oil, lanolin, castor oil, rape seed oil, rice bran oil, soya-bean oil, peanut oil, palm oil and palm-kernel oil etc..
Compared with prior art, alcohol-based diesel oil fuel provided by the invention has the advantages that
The present invention is used as major ingredient using methanol and acidification grease, wherein methanol octane number height, on the engine in use, can be with Compression ratio is improved, is conducive to the power performance and economic performance that improve engine, and measure methanol in constant volume combustion bomb Laminar flame propagation velocity is 32.7cm/s, and at identical conditions, the burning velocity of methanol is high, and combustion duration shortens, Be conducive to improve the thermal efficiency, inflammability limit is dense, and use is safer, so that the present invention becomes a kind of clean renewable energy； Calorific value based on methane is lower, is easy atomization, gasification and evaporation, the present invention uses acidification grease as the second major ingredient, wherein acid Carburetion rouge is using made of discarded natural animal oil or vegetable oil, and methanol is acidified grease, in copper oxide, zinc oxide, oxidation It is reacted under the catalytic action of aluminium, copper oxide and zinc oxide form compound desulfurizing agent, hydrogenant agent, and aluminium oxide is used as defluorinate Agent adds C after reactionnH2n+2(n >=5), higher alcohol, toluene and benzene are distilled, to obtain alcohol-based diesel oil fuel, this hair It is bright it is not simple by addition calorific value enhancer, increase hydrocarbon content and improve calorific value, but by each component of above-mentioned parts by weight Organic organic assembling and be made, obtained product not only calorific value with higher, but also improve the safety of alcohol-based fuel Can, using the alcohol-based diesel oil fuel, vehicle runs smoothly, and dynamic property increases, and exhaust smoke is decreased obviously, to parts without appoint What is influenced, and the appearance of the product, color, smell are similar to petrifaction diesel；Indices performance is up to state standards, especially Ash content, carbon residue, cold filter plugging point are superior to national standard and international standard, can substitute the exclusive use of petrochemical industry 0# diesel oil or and stone completely Change diesel oil to be used in mixed way.And performance is stablized, long term storage is not muddy, never degenerates, and without suspended matter, can effectively facilitate agricultural industry Change process.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.In addition, below Technical characteristic involved in described different embodiments of the present invention as long as they do not conflict with each other can be mutual In conjunction with.
Embodiment 1
The present invention provides a kind of alcohol-based diesel oil fuel, the raw material including following parts by weight:
90 parts of methanol, acidification 50 parts of grease, CnH2n+20.09 part of (n >=5), 0.13 part of higher alcohol, 0.48 part of toluene, benzene 0.14 part, 0.52 part of copper oxide, 0.22 part of zinc oxide, 0.6 part of aluminium oxide, wherein CnH2n+2(n >=5) include that mass ratio is 14:21 Trans- 2- amylene and 1- hexene.
A kind of preparation method of alcohol-based diesel oil fuel, comprising the following steps:
(1) preparation acidification grease:
A, 15 DEG C at a temperature of, the concentrated sulfuric acid is slowly added into natural oil and obtains the first mixture, wherein the dense sulphur The additional amount of acid is the 10wt% of the natural oil, and time control is added in 1.5 hours；
B, by first mixture under conditions of 30 DEG C insulated and stirred 2h, ammonium hydroxide is then added, in 40 DEG C of temperature Inside being neutralized to pH value is 6.8, obtains the second mixture；
C, 30 DEG C at a temperature of, the ammonium sulfate that mass concentration is 10wt% is added in the second mixture of Xiang Suoshu, 45min is stirred to emulsion, 10h is stood to being layered, obtains third mixture；
D, the ammonium sulfate of third mixture lower layer is pumped to get acidification grease；
E, defective goods are carried out to resulting acidification grease to screen out, will specially be acidified distilled water that grease and temperature are 53 DEG C into The volume ratio of row emulsification, the acidification grease and the distilled water is 1:50, as solution is creamy white, and places 3h without oil slick, Up to qualified acidification grease, if be otherwise it is unqualified, prepare again；
(2) by the acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide under normal pressure with steam heating and 65 Back flow reaction 4 hours at a temperature of DEG C after back flow reaction, steam extra methanol steam and are sent into recycling in absorption tower, obtain Clout；
(3) after the clout being stood 1h, the C is added after washing and dehydration in discharge sour waternH2n+2It is (n >=5), high Grade alcohol, toluene and benzene are stirred, and are then distilled, must be evaporated under conditions of vacuum degree is 0.9, liquidus temperature is 220 DEG C Object out；
(4) distillate is cooled to 0 DEG C in cooling tower, filtering removes solid be precipitated, gained at this temperature Liquid is alcohol-based diesel oil fuel.
Embodiment 2
The present invention provides a kind of alcohol-based diesel oil fuel, the raw material including following parts by weight:
100 parts of methanol, acidification 80 parts of grease, CnH2n+20.1 part of (n >=5), 0.15 part of higher alcohol, 0.484 part of toluene, benzene 0.1456 part, 0.55 part of copper oxide, 0.24 part of zinc oxide, 0.75 part of aluminium oxide, wherein CnH2n+2(n >=5) include that mass ratio is The trans- 2- amylene and 1- hexene of 14.96:21.52.
A kind of preparation method of alcohol-based diesel oil fuel, comprising the following steps:
(1) preparation acidification grease:
A, 22 DEG C at a temperature of, the concentrated sulfuric acid is slowly added into natural oil and obtains the first mixture, wherein the dense sulphur The additional amount of acid is the 15wt% of the natural oil, and time control is added in 2.5 hours；
B, by first mixture under conditions of 45 DEG C insulated and stirred 2.5h, ammonium hydroxide is then added, in 48 DEG C of temperature It is 7 that pH value is neutralized in degree, obtains the second mixture；
C, 45 DEG C at a temperature of, the ammonium sulfate that mass concentration is 15wt% is added in the second mixture of Xiang Suoshu, 52min is stirred to emulsion, 12h is stood to being layered, obtains third mixture；
D, the ammonium sulfate of third mixture lower layer is pumped to get acidification grease；
E, defective goods are carried out to resulting acidification grease to screen out, will specially be acidified distilled water that grease and temperature are 55 DEG C into The volume ratio of row emulsification, the acidification grease and the distilled water is 1:50, as solution is creamy white, and places 3.5h without floating Oil to get qualified acidification grease, if be otherwise it is unqualified, prepare again；
(2) by the acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide under normal pressure with steam heating and 70 Back flow reaction 6 hours at a temperature of DEG C after back flow reaction, steam extra methanol steam and are sent into recycling in absorption tower, obtain Clout；
(3) after the clout being stood 105h, the C is added after washing and dehydration in discharge sour waternH2n+2(n≥5)、 Higher alcohol, toluene and benzene are stirred, and are then distilled, are obtained under conditions of vacuum degree is 0.9, liquidus temperature is 260 DEG C Distillate；
(4) distillate is cooled to 0 DEG C in cooling tower, filtering removes solid be precipitated, gained at this temperature Liquid is alcohol-based diesel oil fuel.
Embodiment 3
A kind of alcohol-based diesel oil fuel, the raw material including following parts by weight:
110 parts of methanol, acidification 100 parts of grease, CnH2n+21.1 parts of (n >=5), 0.16 part of higher alcohol, 0.58 part of toluene, benzene 0.15 part, 0.58 part of copper oxide, 0.27 part of zinc oxide, 0.9 part of aluminium oxide, wherein CnH2n+2(n >=5) include that mass ratio is 15:22 Trans- 2- amylene and 1- hexene.
A kind of preparation method of alcohol-based diesel oil fuel, comprising the following steps:
(1) preparation acidification grease:
A, 30 DEG C at a temperature of, the concentrated sulfuric acid is slowly added into natural oil and obtains the first mixture, wherein the dense sulphur The additional amount of acid is the 25wt% of the natural oil, and time control is added in 3 hours；
B, by first mixture under conditions of 60 DEG C insulated and stirred 3h, ammonium hydroxide is then added, in 52 DEG C of temperature Inside being neutralized to pH value is 7.2, obtains the second mixture；
C, 60 DEG C at a temperature of, the ammonium sulfate that mass concentration is 20wt% is added in the second mixture of Xiang Suoshu, 60min is stirred to emulsion, 11h is stood to being layered, obtains third mixture；
D, the ammonium sulfate of third mixture lower layer is pumped to get acidification grease；
E, defective goods are carried out to resulting acidification grease to screen out, will specially be acidified distilled water that grease and temperature are 57 DEG C into The volume ratio of row emulsification, the acidification grease and the distilled water is 1:50, as solution is creamy white, and places 3h without oil slick, Up to qualified acidification grease, if be otherwise it is unqualified, prepare again；
(2) by the acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide under normal pressure with steam heating and 75 Back flow reaction 8 hours at a temperature of DEG C after back flow reaction, steam extra methanol steam and are sent into recycling in absorption tower, obtain Clout；
(3) after the clout being stood 2h, the C is added after washing and dehydration in discharge sour waternH2n+2It is (n >=5), high Grade alcohol, toluene and benzene are stirred, and are then distilled, must be evaporated under conditions of vacuum degree is 0.9, liquidus temperature is 280 DEG C Object out；
(4) distillate is cooled to 0 DEG C in cooling tower, filtering removes solid be precipitated, gained at this temperature Liquid is alcohol-based diesel oil fuel.
Experiments have shown that:
First the embodiment of the present invention 2 and commercially available 0# diesel oil are compared first:
The appearance of the product, color, smell are similar to commercially available 0# diesel oil；The present invention of equivalent and commercially available 0# diesel oil are used In on the motor vehicle of same model, the discovery present invention increases to the dynamic property of diesel engine for 0# diesel oil, operation Noise level is constant, and indices performance is up to state standards, and especially ash content, carbon residue, cold filter plugging point are superior to national standard And international standard, it is applied to public bus network vehicle, diesel car, tractor, engineering truck etc. through user, unanimously thinks: uses the bavin Oil, vehicle run smoothly, and the dynamic property exhaust smoke that increases is decreased obviously, and have no effect, can be widely applied to parts Diesel locomotive, tractor, automobile, ship, electric power, boiler and kiln etc..
It is as shown in the table with the comparison result of common biodiesel will to implement 2 to the present invention below:
As can be seen from the above table, for the present invention for common biodiesel, biodiesel oil product of the invention is basic The standard of biodiesel national standard B5 is reached.In addition, use ratio of the present invention in petrifaction diesel can reach 40% with On, or even can be used directly, and use ratio of the common biodiesel in petrifaction diesel not more than 5%.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims It is quasi-.

Claims (8)

1. a kind of alcohol-based diesel oil fuel, which is characterized in that the raw material including following parts by weight:
90-110 parts of methanol, acidification grease 50-100 parts, CnH2n+20.09-1.1 parts of (n >=5), 0.13-0.16 parts of higher alcohol, first 0.48-0.58 parts of benzene, 0.14-0.15 parts of benzene, 0.52-0.58 parts of copper oxide, 0.22-0.27 parts of zinc oxide, aluminium oxide 0.6-0.9 Part.
2. alcohol-based diesel oil fuel according to claim 1, which is characterized in that the raw material including following parts by weight:
100 parts of methanol, acidification 80 parts of grease, CnH2n+20.1 part of (n >=5), 0.15 part of higher alcohol, 0.484 part of toluene, benzene 0.1456 Part, 0.55 part of copper oxide, 0.24 part of zinc oxide, 0.75 part of aluminium oxide.
3. alcohol-based diesel oil fuel according to claim 1, which is characterized in that the CnH2n+2(n >=5) include that mass ratio is (14-15): the trans- 2- amylene and 1- hexene of (21-22).
4. alcohol-based diesel oil fuel according to any one of claim 1-3, which is characterized in that the preparation of the acidification grease Method, comprising the following steps:
(1) 15-30 DEG C at a temperature of, the concentrated sulfuric acid is slowly added into natural oil and obtains the first mixture, wherein the dense sulphur The additional amount of acid is the 10-25wt% of the natural oil, and time control is added in 1.5-3 hours；
(2) by first mixture under conditions of 30-60 DEG C insulated and stirred 2-3h, ammonium hydroxide is then added, at 40-52 DEG C It is 6.8-7.2 that pH value is neutralized in temperature, obtains the second mixture；
(3) ammonium sulfate that mass concentration is 10-20wt% is added in the second mixture of Xiang Suoshu, stirs to emulsion, it is quiet It sets to layering, obtains third mixture；
(4) ammonium sulfate of third mixture lower layer is pumped to get acidification grease.
5. alcohol-based diesel oil fuel according to claim 4, which is characterized in that the system of third mixture described in step (3) Standby temperature is controlled at 30-60 DEG C.
6. alcohol-based diesel oil fuel according to claim 4, which is characterized in that the time of stirring described in step (3) is 45- 60min, time of repose are 10h or more.
7. alcohol-based diesel oil fuel according to claim 4, which is characterized in that it is described acidification grease preparation method further include The step of defective goods screen out, the defective goods screen out for by step (4) it is resulting acidification grease and temperature be 53-57 DEG C distilled water into The volume ratio of row emulsification, the acidification grease and the distilled water is 1:50, as solution is creamy white, and places 3h or more without floating Oil, as qualified acidification grease, if being otherwise unqualified.
8. a kind of method for preparing the alcohol-based diesel oil fuel as described in any one of claim 1-7, it is characterised in that including following Step:
S1, by the acidification grease, methanol, copper oxide, zinc oxide and aluminium oxide under normal pressure with steam heat and at 65-75 DEG C At a temperature of back flow reaction 4-8 hours, after back flow reaction, steam extra methanol steam and be sent into recycling in absorption tower, obtain Clout；
S2, after the clout is stood 1-2h, sour water is discharged, the C is added after washing and dehydrationnH2n+2It is (n >=5), advanced Alcohol, toluene and benzene are stirred, and are then distilled, are obtained under conditions of vacuum degree is 0.9, liquidus temperature is 220-280 DEG C Distillate；
S3, the distillate is cooled to 0 DEG C in cooling tower, filtering removes solid be precipitated, gained liquid at this temperature As alcohol-based diesel oil fuel.
CN201811521529.2A 2018-07-26 2018-12-13 A kind of alcohol-based diesel oil fuel and preparation method thereof Withdrawn CN109609205A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110499194A (en) * 2019-08-13 2019-11-26 王则平 A kind of high cleanness methanol diesel that boat diesel engine uses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110499194A (en) * 2019-08-13 2019-11-26 王则平 A kind of high cleanness methanol diesel that boat diesel engine uses

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