CN103952195A - Automotive methanol gasoline composite additive and preparation method for same - Google Patents
Automotive methanol gasoline composite additive and preparation method for same Download PDFInfo
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- CN103952195A CN103952195A CN201410201995.8A CN201410201995A CN103952195A CN 103952195 A CN103952195 A CN 103952195A CN 201410201995 A CN201410201995 A CN 201410201995A CN 103952195 A CN103952195 A CN 103952195A
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Abstract
The invention discloses an automotive methanol gasoline composite additive and a preparation method for the same, and belongs to the field of new energy chemical industry. The automotive methanol gasoline composite additive is characterized by comprising the following components in percentage by mass: 1-15% of sulphur corrosion inhibitor, 4-10% of corrosion inhibitor for preventing fuel oxidation products form causing corrosion, 5-30% of fuel oiliness agent, 0.5-5% of purification dispersant and 70-85% of cosolvent. The alcohol fuel blended by the additive has the advantages of being low in corrosion on an automotive fuel tank, a fuel pump, a fuel gauge and a fuel supply pipeline, and reducing the wear of a combustion system, enhances the capacity of resisting layering of a methanol fuel while encountering water, has the characteristic of ensuring the reliable running of an engine and a tail gas treatment system, and no residue, and realizes comprehensive protection on an automotive fuel system.
Description
Technical field
The present invention relates to new forms of energy chemical technology field, be specifically related to a kind of Vehicular methanol petrol composite additive and preparation method thereof.
Background technology
Vehicular methanol petrol is a kind of novel vehicle fuel that development in recent years is got up, methanol fuel, as a kind of novel substitute energy of adjusting traditional energy structure, promoting recycling economy development, is the typical low-carbon energy taking " reduce energy consumption, pollution abatement, low-carbon (LC) utilization, mix development " as feature.Methanol gasoline, with high-performances such as its environment-friendly type are good, cost performance is high, resource is secure, becomes the first-selected product of oil replacement.Actively pushing forward Methanol Fuel Industrialization is exploitation low-carbon energy, one of the most important behave of developing a circular economy.
Vehicular methanol petrol, particularly the main component of Vehicular methanol petrol is methyl alcohol at high proportion.Compared with conventional gasoline, the advantage of methanol gasoline is that rich raw material sources, octane value carcinogenic substance (for example, acetaldehyde, benzene and 1,3 divinyl) high and burning and exhausting are less.But in use also there is larger drawback in methanol fuel.One, larger to corrosion of metal, cause corrosion to engine fuel system; Its two, the physical properties of Aalcohols fuel itself is drier and more astringent than conventional gasoline, the bad meeting of oilness to prime the fuel system produce wearing and tearing.This has become the key issue of restriction alcohol fuel development; Its three, methanol gasoline meet the water capacity be prone to demixing phenomenon.
In methanol gasoline, add a kind of Vehicular methanol petrol composite additive, except having weakened the corrosive nature of fuel, dry and astringent problem, it also has direct provide protection to engine and exhaust treatment system.From the situation of the Searches of Patent Literature, the research of alcohol fuel additive at present concentrates on the alcohol fuel additive of exclusive preventing metal corrosion or hydrotropy mostly, as patent: a kind of additive for gasoline of ethanol (200410079672.2), a kind of methanol gasoline additive (200610147198.1), a kind of low-proportion methanol gasoline additive (201110217727.1), a kind of preparation method (201210184252.5) of alcohol ester type Multi-function methanol gasoline dope, a kind of automobile-used M 85 methanol gasoline additive and its production and use (201210118260.X).Preventing metal corrosion to wide genotype, Anti-fuel Oil System wearing and tearing, hydrotropy, except the research of the Vehicular methanol petrol composite additive of carbonizing of engine also few.
Summary of the invention
The object of the invention is:, fuel system wearing and tearing strong to metal protection for existing Vehicular methanol petrol become shortcoming large, that engine easily generates carbon deposit; for meeting the demand of market to methanol fuel and environment protection; described a kind of Vehicular methanol petrol composite additive and preparation method thereof is provided, and the present invention has proposed the use of oiliness improver in methanol gasoline first in addition.
For realizing above object, technical scheme of the present invention is:
A kind of Vehicular methanol petrol composite additive, its special feature is: by the inhibiter of sulfur corrosion, prevent that oxidized product from causing that inhibiter, fuel oiliness improver, detergent-dispersant additive, the solubility promoter of corrosion form, its component forming is by mass percentage:
Described sulfur corrosion inhibiter adopts the ashless additive without metal ion: single oily tetrahydroglyoxaline, pyridine, hexahydroaniline, N methyldiethanol amine;
Described prevent oxidized product cause the inhibiter of corrosion be nitrogenous, sulfur-bearing or hydroxyl, there is surface-active organic inhibitor: mercaptobenzothiazole, benzotriazole, methyl benzotriazazole, alkanamine;
Described fuel oiliness improver is: oleic acid glycol ester, 124 Triazole lipid acid ammonia salt, dimeracid;
Described detergent-dispersant additive is: polyisobutylene succinic acid imines, phenol amine, succimide, aliphatic amide;
Described solubility promoter is: normal hexane, Skellysolve A, ethylcyclohexane, n-propyl alcohol, 2-propyl alcohol, isopropylcarbinol;
Above-mentioned a kind of Vehicular methanol petrol composite additive comprises:
Described sulfur corrosion inhibiter comprises:
Single oily tetrahydroglyoxaline 1%
Pyridine 0.5%
Hexahydroaniline 1.5%;
Describedly prevent that oxidized product from causing that the inhibiter of corrosion comprises:
Mercaptobenzothiazole 2%
Methyl benzotriazazole 4%
Described fuel oiliness improver comprises:
Oleic acid glycol ester 2%
Dimeracid 3%
Described detergent-dispersant additive comprises:
Polyisobutylene succinic acid imines 0.5%
Succimide 0.5%
Described solubility promoter comprises:
N-propyl alcohol 40%
Isopropylcarbinol 45%
Above-mentioned a kind of Vehicular methanol petrol composite additive comprises:
Sulfur corrosion inhibiter 2.5%
Prevent that oxidized product from causing the inhibiter 10% of corrosion
Fuel oiliness improver is 7%
Detergent-dispersant additive is 1.5%
Solubility promoter 79%
Described sulfur corrosion inhibiter comprises:
Pyridine 0.5%
N methyldiethanol amine 2%
Describedly prevent that oxidized product from causing that the inhibiter of corrosion comprises:
Benzotriazole 10%
Described fuel oiliness improver comprises:
124 Triazole lipid acid ammonia salt 5%
Dimeracid 2%
Described detergent-dispersant additive comprises:
Phenol amine 1%
Aliphatic amide 0.5%
Described solubility promoter comprises:
Normal hexane 20%
Skellysolve A 15%
Isopropylcarbinol 44%
The preparation method of a kind of automobile-used alcohol fuel composite additive of the present invention is:
First calculate compounding high concentration sulphur inhibiter, prevent oxidized product cause corrosion inhibiter, prevent methyl alcohol dry and astringent to fuel system produce wearing and tearing oiliness improver, prevent detergent-dispersant additive, the quality of solubility promoter that carbon deposit generates.Recycling blending method is prepared into automobile-used its concrete preparation section of alcohol fuel composite additive and is:
(1) calculate the amount of preparing the needed each interpolation component of automobile-used alcohol fuel composite additive.
(2) solid constituent in the interpolation component calculating is added and in the solubility promoter calculating, adopt ultrasonic or paddling process to be prepared even, stable mixed liquor A.
(3) remaining interpolation component is added in mixed liquor A successively according to viscosity order from small to large, stir while adding, finally stir and can mix a kind of automobile-used alcohol fuel composite additive B of finished product.
Positively effect of the present invention is:
, minimizing firing system wearing and tearing little to automotive oil tank, oil pump, oil meter and oil supply line corrosion that the alcohol fuel that a kind of automobile-used alcohol fuel composite additive of the present invention mixes has advantages of, strengthen the anti-chance water stratification ability of methanol fuel, and have the advantages that to ensure engine and exhaust treatment system reliability service, noresidue.
Embodiment
The embodiment that a kind of automobile-used alcohol fuel composite additive of the present invention and preparation method thereof is below provided, provides 2 embodiment altogether, but provided embodiment is provided.
Embodiment 1
1. calculate raw materials quality:
Single oily tetrahydroglyoxaline 10g, pyridine 5g, hexahydroaniline 10g, methyl benzotriazazole 100g, oleic acid glycol ester 50g, aliphatic amide 0.5g, succimide 0.5g, isopropylcarbinol 824g.
2. preparation method
(1) first methyl benzotriazazole 100g and isopropylcarbinol 824g are mixed, after ultrasonic 45min stirring and dissolving, be cooled to after room temperature, then add hexahydroaniline 10g hold over night at 40 DEG C, form stable mixed liquor A.
(2) aliphatic amide 0.5g, succimide 0.5g, pyridine and hexahydroaniline 5g, single oily tetrahydroglyoxaline 10g, oleic acid glycol ester 50g are added in mixed liquor A, stir while adding, after stirring, obtain a kind of automobile-used alcohol fuel composite additive B.When use in alcohol fuel at high proportion by 1: 2000, low ratio alcohol fuel is by allocating dilution at 1: 5000.
Embodiment 2
1. raw material: hexahydroaniline 10g, N methyldiethanol amine 15g, mercaptobenzothiazole 48g, dimeracid 100g, polyisobutylene succinic acid imines 1g, phenol amine 1g, ethylcyclohexane 300, n-propyl alcohol 525g
2. preparation method
(1) first by ethylcyclohexane 300 and n-propyl alcohol 525g mixing and stirring, then mercaptobenzothiazole 48g is added wherein, ultrasonic 60min at 40 DEG C, is cooled to after room temperature, then adds 10g hexahydroaniline hold over night, forms stable mixed liquor A.
(2) polyisobutylene succinic acid imines 1g, phenol amine 1g, N methyldiethanol amine 15g, dimeracid 100g are added in mixed liquor A, stir while adding, after stirring, obtain a kind of automobile-used alcohol fuel composite additive B.When use in alcohol fuel at high proportion by 1: 2400, low ratio alcohol fuel is by allocating dilution at 1: 6000.
Claims (4)
1. Vehicular methanol petrol composite additive and preparation method thereof, it is characterized in that: by the inhibiter of sulfur corrosion, prevent that oxidized product from causing that inhibiter, fuel oiliness improver, detergent-dispersant additive, the solubility promoter of corrosion form, its component forming is by mass percentage:
2. a kind of Vehicular methanol petrol composite additive according to claim 1 and preparation method thereof, is characterized in that:
Described sulfur corrosion inhibiter adopts the ashless additive without metal ion: single oily tetrahydroglyoxaline, pyridine, hexahydroaniline, N methyldiethanol amine;
Described prevent oxidized product cause the inhibiter of corrosion be nitrogenous, sulfur-bearing or hydroxyl, there is surface-active organic inhibitor: mercaptobenzothiazole, benzotriazole, methyl benzotriazazole, alkanamine;
Described fuel oiliness improver is: oleic acid glycol ester, 124 Triazole lipid acid ammonia salt, dimeracid;
Described detergent-dispersant additive is: polyisobutylene succinic acid imines, phenol amine, succimide, aliphatic amide;
Described solubility promoter is: normal hexane, Skellysolve A, ethylcyclohexane, n-propyl alcohol, 2-propyl alcohol, isopropylcarbinol.
3. a kind of Vehicular methanol petrol composite additive according to claim 1 and 2 and preparation method thereof, is characterized in that:
Described a kind of Vehicular methanol petrol composite additive and preparation method thereof comprises:
Described sulfur corrosion inhibiter comprises:
Single oily tetrahydroglyoxaline 1%;
Pyridine 0.5%;
Hexahydroaniline 1.5%;
Describedly prevent that oxidized product from causing that the inhibiter of corrosion comprises:
Described detergent-dispersant additive comprises:
Polyisobutylene succinic acid imines 0.5%;
Succimide 0.5%;
Described solubility promoter comprises:
N-propyl alcohol 40%;
Isopropylcarbinol 45%.
4. a kind of Vehicular methanol petrol composite additive according to claim 1 and 2 and preparation method thereof, is characterized in that:
Described a kind of Vehicular methanol petrol composite additive and preparation method thereof comprises:
Described sulfur corrosion inhibiter comprises:
Pyridine 0.5%;
N methyldiethanol amine 2%;
Describedly prevent that oxidized product from causing that the inhibiter of corrosion comprises:
Benzotriazole 10%
Described fuel oiliness improver comprises:
124 Triazole lipid acid ammonia salt 5%;
Dimeracid 2%;
Described detergent-dispersant additive comprises:
Phenol amine 1%;
Aliphatic amide 0.5%;
Described solubility promoter comprises:
Normal hexane 20%;
Skellysolve A 15%;
Isopropylcarbinol 44%.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105038854A (en) * | 2015-07-08 | 2015-11-11 | 武汉三友石化有限公司 | Oil-soluble corrosion inhibitor |
CN107267232A (en) * | 2017-06-07 | 2017-10-20 | 常州市天宁区鑫发织造有限公司 | A kind of methanol gasoline heterogeneous metal corrosion inhibiter |
CN108251168A (en) * | 2018-02-11 | 2018-07-06 | 陕西延长石油能源科技有限公司 | A kind of vehicle-use alcohol gasoline compound additive and its preparation method and application |
CN110823800A (en) * | 2019-11-20 | 2020-02-21 | 运城学院 | Analysis method of methanol fuel metal corrosion inhibitor |
CN111500328A (en) * | 2020-04-17 | 2020-08-07 | 陕西省石油化工研究设计院 | Methanol fuel composite additive |
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CN1563287A (en) * | 2004-03-28 | 2005-01-12 | 万清平 | Methanol gasoline and preparation method |
CN101285010A (en) * | 2008-05-16 | 2008-10-15 | 运城市丰喜新能源开发有限公司 | Multifunctional alcohol fuel additives |
CN102634383A (en) * | 2012-04-12 | 2012-08-15 | 甘肃圣奇燃料科技有限公司 | Methanol fuel additive and methanol gasoline prepared with same |
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2014
- 2014-05-10 CN CN201410201995.8A patent/CN103952195B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1563287A (en) * | 2004-03-28 | 2005-01-12 | 万清平 | Methanol gasoline and preparation method |
CN101285010A (en) * | 2008-05-16 | 2008-10-15 | 运城市丰喜新能源开发有限公司 | Multifunctional alcohol fuel additives |
CN102634383A (en) * | 2012-04-12 | 2012-08-15 | 甘肃圣奇燃料科技有限公司 | Methanol fuel additive and methanol gasoline prepared with same |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105038854A (en) * | 2015-07-08 | 2015-11-11 | 武汉三友石化有限公司 | Oil-soluble corrosion inhibitor |
CN105038854B (en) * | 2015-07-08 | 2017-09-22 | 武汉三友石化有限公司 | Oil-soluble inhibitor |
CN107267232A (en) * | 2017-06-07 | 2017-10-20 | 常州市天宁区鑫发织造有限公司 | A kind of methanol gasoline heterogeneous metal corrosion inhibiter |
CN108251168A (en) * | 2018-02-11 | 2018-07-06 | 陕西延长石油能源科技有限公司 | A kind of vehicle-use alcohol gasoline compound additive and its preparation method and application |
CN108251168B (en) * | 2018-02-11 | 2020-08-11 | 陕西延长石油能源科技有限公司 | Ethanol gasoline composite additive for vehicles and preparation method and application thereof |
CN110823800A (en) * | 2019-11-20 | 2020-02-21 | 运城学院 | Analysis method of methanol fuel metal corrosion inhibitor |
CN111500328A (en) * | 2020-04-17 | 2020-08-07 | 陕西省石油化工研究设计院 | Methanol fuel composite additive |
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