CN105062578A - Novel modified alcohol-based fuel and preparation method thereof - Google Patents
Novel modified alcohol-based fuel and preparation method thereof Download PDFInfo
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- CN105062578A CN105062578A CN201510527867.7A CN201510527867A CN105062578A CN 105062578 A CN105062578 A CN 105062578A CN 201510527867 A CN201510527867 A CN 201510527867A CN 105062578 A CN105062578 A CN 105062578A
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- benzotriazole
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Abstract
The invention discloses novel modified alcohol-based fuel and a preparation method thereof. The novel modified alcohol-based fuel comprises, by mass, 90% to 95% of methyl alcohol, 0.5% to 1.5% of glycerol, 2.5% to 4% of propylene glycol, 0.05% to 1% of benzotriazole, 0.3% to 0.7% of isooctyl nitrate and 1.5% to 3.5% of ethylbenzene and cumene. After the benzotriazole, the isooctyl nitrate, the ethylbenzene and the cumene are added into a reaction kettle to be evenly mixed, the glycerol and the propylene glycol are added into the mixed liquor, and stirring is carried out for 10 minutes till the mixture is even; then the methyl alcohol is added, stirring is carried out for 3 hours, standing is carried out for 8 hours, and the novel modified alcohol-based fuel is obtained. By means of the novel modified alcohol-based fuel, the corrosion problem, the power problem, the low temperature starting and running problem, the inter-miscible problem and the air resistance problem of traditional alcohol-based fuel are solved, and power is good; the novel modified alcohol-based fuel is fast in fuel burning, sufficient and stable in burning and high in heating efficiency and power; starting is easy at the low temperature, and air resisting is not prone to occurrence at the high temperature; corrosion is not prone to occurrence; the inter-miscible performance is high, layering is avoided, and the shelf life is long.
Description
Technical field
The present invention relates to liquid fuel technology field, be specifically related to new alcohol-group fuel of a kind of modification and preparation method thereof.
Background technology
Along with socioeconomic sustainable development; the continuous increase that petroleum products consumes; natural resources is petered out and scarcity; again due to China's rapid development of economy; society and the rolling up of private vehicle; a large amount of discharges of vehicle exhaust have jeopardized people ' s health and life security, at the crucial moment of facing mankind energy shortage and ecocrisis, find the emphasis problem that clean substitute energy has become world technology circle research tackling key problem.
Since energy dilemma, the new forms of energy of petroleum replacing are all being sought in countries in the world.The research of american energy research and development administration is thought, methyl alcohol is most promising oil engine alternative fuel.Methyl alcohol octane value 112, be equivalent to No. 112 gasoline, molecular weight 32, oxygen level 50%, boiling point 64.51 DEG C, flash-point 11 DEG C, spontaneous ignition temperature 460 DEG C, latent heat of vaporization 1100MJ/kg, calorific value 19.6ML/kg, air-fuel ratio 6.45, empty combustion heat vale of mixture is slightly lower than gasoline, compound big for environment pollution after therefore not needing again the burnings such as admixture trihydroxy methyl amyl group manganese, tetraethyllead, methyl tertiary butyl ether in use.
Methanol feedstock wide material sources, sanitation and hygiene, safe and reliable, applied widely, cheap, above many advantages makes methyl alcohol become most potential novel substitute energy gradually.But the shortcomings such as existing alcohol-group fuel also exists, and corrodibility is strong, calorific value is low, easily produce vapour lock, cold-starting and cold operation penalty, cetane value are low, stable storing performance difference, only have the alcohol base gasoline of low fuel mixing ratio or diesel oil in alcohol group to be applied widely at automotive field at present.Therefore, the composition how allocating alcohol-group fuel to obtain stable performance, cost performance is high, calorific value is high alcohol-group fuel is very necessary.
Summary of the invention
The invention provides the new alcohol-group fuel of a kind of modification, the etching problem of traditional alcohol-group fuel, dynamical problem, cold-starting and operation problem can be overcome, problem of dissolving each other and vapour lock problem etc., the new alcohol-group fuel of this modification is without the need to mixing gasoline or diesel oil can realize good technique effect.
Technical scheme of the present invention is as follows:
The new alcohol-group fuel of a kind of modification, the new alcohol-group fuel of described modification is the mixture containing methyl alcohol, glycerine, propylene glycol, benzotriazole, isooctyl ester nitrate, ethylbenzene, isopropyl benzene; Wherein, each component meets by mass percentage:
Methyl alcohol 90 ~ 95%
Glycerine 0.5 ~ 1.5%
Propylene glycol 2.5 ~ 4%
Benzotriazole 0.05 ~ 1%
Isooctyl ester nitrate 0.3 ~ 0.7%
Ethylbenzene, isopropyl benzene 1.5 ~ 3.5%.
Wherein, in fuel each component to have the mass percent of optimization as follows:
Methyl alcohol 92 ~ 94%
Glycerine 0.8 ~ 1.2%
Propylene glycol 2.5 ~ 3.5%
Benzotriazole 0.07 ~ 1%
Isooctyl ester nitrate 0.4 ~ 0.6%
Ethylbenzene, isopropyl benzene 2 ~ 3%.
Wherein, in fuel each component to have optimum mass percent as follows:
Methyl alcohol 93%
Glycerine 1%
Propylene glycol 3%
Benzotriazole 0.5%
Isooctyl ester nitrate 0.5%
Ethylbenzene, isopropyl benzene 2%.
Described in above fuel element, methanol purity is not less than 95%.
Present invention also offers the preparation method of the new alcohol-group fuel of described modification, step is as follows:
(1) benzotriazole, isooctyl ester nitrate, ethylbenzene, isopropyl benzene are added in reactor mix;
(2) add glycerine and propylene glycol in the mixed solution obtained to step (1), stir 10 minutes to evenly;
(3) add methyl alcohol in the mixed solution obtained to step (2), stir 3 hours, leave standstill 8 hours, to obtain final product.
In the present invention, methyl alcohol is main component, and purity is not less than 95%, in order to the etching problem of traditional alcohol-group fuel, dynamical problem, starting problem, problem of dissolving each other and vapour lock problem, add various additive in the new alcohol-group fuel of modification of the present invention, its effect is as follows respectively:
Glycerine in the new alcohol-group fuel of modification of the present invention effectively can promote fully dissolving each other between the various compositions in alcohol-group fuel, significantly improve the stability of alcohol-group fuel and combustion-supporting performance, effectively overcome the low and defect such as insufficient of burning of single methyl alcohol calorific value, promote the Thorough combustion of alcohol-group fuel, improve combustion heat value and the utilization rate of heat value of alcohol-group fuel; In addition, glycerine also helps the boiling point of adjustment mixture, is beneficial to fuel gasification.
Propylene glycol in the new alcohol-group fuel of modification of the present invention can with multiple immiscible organic solvent, further fully promote dissolving each other in alcohol-group fuel between each composition; In addition, the tensio-active agent that propylene glycol is still excellent and stablizer.By adding propylene glycol, each component spontaneous formation isotropy, transparent, thermodynamically stable dispersion system in fuel can be made, the alcohol-group fuel formed is as clear as crystal, stable homogeneous, thoroughly overcome the shortcoming of methanol gasoline layering, stability in storage is good, reach storage period more than 6 months not stratified.
Benzotriazole is with the addition of as corrosion inhibitor in the new alcohol-group fuel of modification of the present invention.Benzotriazole is widely used in the antirust of metal and inhibition.It is a kind of multi-functional compound; its polar group is adsorbed on the metallic surface such as copper, aluminium; nonpolar long-chain forms protective membrane in metallic surface, stops the galvanic corrosion of ion pair metal, and the protection overlay film that metallic surface is formed also reduces the corrosion of active substance in alcohol-group fuel.In addition, benzotriazole can with metal generation sequestering action, form multiple chelate ring, Stability of Metal Complexes is high, even if in strong acidic environment, also can form stable complex compound with metal ion.When same metal complex, the unit molecule protective membrane of one deck densification is easily formed in metallic surface, can corrosive medium etc. be effectively stoped to enter metallic surface, thus slow down corrosion of metal---for copper, benzotriazole and copper atom form covalent linkage and coordinate bond, mutually replace chain polymer more, surface composition multilayer resist is added at copper, make the surface of copper not play redox reaction, hydrogen does not occur, play corrosion protection effect; Benzotriazole also has effect same to metallic substance such as lead, cast iron, nickel, zinc.By adding benzotriazole, the corrosion of alcohol-group fuel to load equipment effectively can be reduced, thus effective extension device work-ing life.
Add isooctyl ester nitrate in the new alcohol-group fuel of modification of the present invention, effectively can improve cetane value, improve combustionproperty, make burning more stable; In addition, isooctyl ester nitrate can increase fulminant burning at Initial Stage after Ignition, shortens ignition time, reduces burning-point, makes igniting easy, solves a difficult problem for cold-starting.In addition, add isooctyl ester nitrate to be also conducive to a certain extent overcoming vapour lock problem.
Add ethylbenzene in the new alcohol-group fuel of modification of the present invention, isopropyl benzene is also conducive to oxygen enriching burning-aid, accelerate combustionvelocity, flame is disperseed fast, impel alcohol-group fuel to burn completely.
The new alcohol-group fuel tool of modification of the present invention has the following advantages:
(1) the new alcohol-group fuel of modification of the present invention is not containing gasoline, reduces petrol consumption, is conducive to relaxing the energy contradiction become increasingly conspicuous; In addition, adopt the CO that discharges in alcohol-group fuel tail gas of the present invention and hydrocarbon polymer lower, the tail gas of discharge is little to atmospheric pollution, has very large benefit for environmental protect.
(2) the new alcohol-group fuel of modification of the present invention solves the etching problem of traditional alcohol-group fuel, dynamical problem, cold-starting and operation problem, problem of dissolving each other and vapour lock problem---and adopt the new alcohol-group fuel of modification of the present invention, start fast, power is good; Fuel combustion is fast, and sufficient combustion is stablized; Thermo-efficiency is high, and power is strong; Saturation steam forcing up the targets is excellent at various temperatures for fuel, starts, and not easily produce air-resistance phenomenon under high temperature under being convenient to low temperature; Solve the etching problem of traditional alcohol-group fuel to load device; Performance of dissolving each other is strong, not stratified, long quality-guarantee period.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with specific embodiments, obviously, embodiment described is below only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
By the new alcohol-group fuel of following mass percent configuration modification:
Methyl alcohol 93.8%
Glycerine 0.5%
Propylene glycol 2.5%
Benzotriazole 0.8%
Isooctyl ester nitrate 0.6%
Ethylbenzene, isopropyl benzene 1.8%.
Described methanol purity is not less than 95%.
The preparation method of the new alcohol-group fuel of described modification, step is as follows:
(1) benzotriazole, isooctyl ester nitrate, ethylbenzene, isopropyl benzene are added in reactor mix;
(2) add glycerine and propylene glycol in the mixed solution obtained to step (1), stir 10 minutes to evenly;
(3) add methyl alcohol in the mixed solution obtained to step (2), stir 3 hours, leave standstill 8 hours, to obtain final product.
embodiment 2
By the new alcohol-group fuel of following mass percent configuration modification:
Methyl alcohol 92%
Glycerine 0.5%
Propylene glycol 3%
Benzotriazole 0.55%
Isooctyl ester nitrate 0.6%
Ethylbenzene, isopropyl benzene 3.35%.
Described methanol purity is not less than 95%.
The preparation method of the new alcohol-group fuel of described modification is with embodiment 1.
embodiment 3
By the new alcohol-group fuel of following mass percent configuration modification:
Methyl alcohol 92.4%
Glycerine 0.7%
Propylene glycol 3.6%
Benzotriazole 0.52%
Isooctyl ester nitrate 0.58%
Ethylbenzene, isopropyl benzene 2.2%.
Described methanol purity is not less than 95%.
The preparation method of the new alcohol-group fuel of described modification is with embodiment 1.
embodiment 4
By the new alcohol-group fuel of following mass percent configuration modification:
Methyl alcohol 92.8%
Glycerine 0.7%
Propylene glycol 3.1%
Benzotriazole 0.4%
Isooctyl ester nitrate 0.6%
Ethylbenzene, isopropyl benzene 2.4%.
Described methanol purity is not less than 95%.
The preparation method of the new alcohol-group fuel of described modification is with embodiment 1.
embodiment 5
By the new alcohol-group fuel of following mass percent configuration modification:
Methyl alcohol 93%
Glycerine 1%
Propylene glycol 3%
Benzotriazole 0.5%
Isooctyl ester nitrate 0.5%
Ethylbenzene, isopropyl benzene 2%.
Described methanol purity is not less than 95%.
The preparation method of the new alcohol-group fuel of described modification is with embodiment 1.
embodiment 6
Table 1 is the various performance parameters of the new alcohol-group fuel of modification of embodiment 1-5, there is shown every test result of standard 93# gasoline in contrast.
Table 1
As can be seen from the concrete contrast of table 1, in the present invention, be all better than 93# gasoline according to the performance index of the new alcohol-group fuel of the modification of above embodiment allotment place.
Above related embodiment elaborates the new alcohol-group fuel of modification of the present invention, and the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. the new alcohol-group fuel of modification, is characterized in that, the new alcohol-group fuel of described modification is the mixture containing methyl alcohol, glycerine, propylene glycol, benzotriazole, isooctyl ester nitrate, ethylbenzene, isopropyl benzene; Wherein, each component meets by mass percentage:
Methyl alcohol 90 ~ 95%
Glycerine 0.5 ~ 1.5%
Propylene glycol 2.5 ~ 4%
Benzotriazole 0.05 ~ 1%
Isooctyl ester nitrate 0.3 ~ 0.7%
Ethylbenzene, isopropyl benzene 1.5 ~ 3.5%.
2. the new alcohol-group fuel of a kind of modification according to claim 1, it is characterized in that, in fuel, each component meets by mass percentage:
Methyl alcohol 92 ~ 94%
Glycerine 0.8 ~ 1.2%
Propylene glycol 2.5 ~ 3.5%
Benzotriazole 0.07 ~ 1%
Isooctyl ester nitrate 0.4 ~ 0.6%
Ethylbenzene, isopropyl benzene 2 ~ 3%.
3. the new alcohol-group fuel of a kind of modification according to claim 1, it is characterized in that, in fuel, each component is as follows by mass percentage:
Methyl alcohol 93%
Glycerine 1%
Propylene glycol 3%
Benzotriazole 0.5%
Isooctyl ester nitrate 0.5%
Ethylbenzene, isopropyl benzene 2%.
4. the new alcohol-group fuel of a kind of modification according to claims 1 to 3, is characterized in that: described methanol purity is not less than 95%.
5. the new alcohol-group fuel of the modification as described in claims 1 to 3, is characterized in that, the preparation process of described fuel is as follows:
(1) benzotriazole, isooctyl ester nitrate, ethylbenzene, isopropyl benzene are added in reactor mix;
(2) add glycerine and propylene glycol in the mixed solution obtained to step (1), stir 10 minutes to evenly;
(3) add methyl alcohol in the mixed solution obtained to step (2), stir 3 hours, leave standstill 8 hours, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527867.7A CN105062578A (en) | 2015-08-24 | 2015-08-24 | Novel modified alcohol-based fuel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527867.7A CN105062578A (en) | 2015-08-24 | 2015-08-24 | Novel modified alcohol-based fuel and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120198760A1 (en) * | 2011-02-07 | 2012-08-09 | Paul Blommel | Method and systems for making distillate fuels from biomass |
| CN102952593A (en) * | 2011-08-20 | 2013-03-06 | 张朝斌 | Novel composite diesel oil |
| CN103305288A (en) * | 2013-06-13 | 2013-09-18 | 吴克飞 | Fuel auxiliary, fuel and preparation method thereof |
| CN103805300A (en) * | 2014-01-21 | 2014-05-21 | 山西佳新能源化工实业有限公司 | High-ratio methanol fuel composite additive for vehicles |
-
2015
- 2015-08-24 CN CN201510527867.7A patent/CN105062578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120198760A1 (en) * | 2011-02-07 | 2012-08-09 | Paul Blommel | Method and systems for making distillate fuels from biomass |
| CN102952593A (en) * | 2011-08-20 | 2013-03-06 | 张朝斌 | Novel composite diesel oil |
| CN103305288A (en) * | 2013-06-13 | 2013-09-18 | 吴克飞 | Fuel auxiliary, fuel and preparation method thereof |
| CN103805300A (en) * | 2014-01-21 | 2014-05-21 | 山西佳新能源化工实业有限公司 | High-ratio methanol fuel composite additive for vehicles |
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Application publication date: 20151118 |
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