CN100393855C - Composite fuel for automobile engine - Google Patents
Composite fuel for automobile engine Download PDFInfo
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- CN100393855C CN100393855C CNB2006101521209A CN200610152120A CN100393855C CN 100393855 C CN100393855 C CN 100393855C CN B2006101521209 A CNB2006101521209 A CN B2006101521209A CN 200610152120 A CN200610152120 A CN 200610152120A CN 100393855 C CN100393855 C CN 100393855C
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Abstract
The invention relates the car engine composite fuel, comprising 30-90% petrol, 10-70% methanol, 0.5 -3% assisting solvent. The assisting solvent comprises 30-60% oleic acid or naphthenic acid or lactic acid, 1-3% orthotoluidine or triethylamine, 806-11% tuwen, 25-63% benzene, and 1% anhydrous sodium sulfate. The product is environmental protection and cleaning. The methanol petrol fuel reduces CO and HC concentrations in vehicle exhaust gas, cleaning air and improving contamination condition. The invention has advantages of simple technology and low cost.
Description
Technical field
The present invention relates to a kind of composite fuel for automobile engine that contains methyl alcohol, particularly a kind of motor car engine carbinol gasoline fuel that contains methyl alcohol.
Background technology
At present world's crude oil is in short supply, the developing rapidly of automotive industry, and oil price rises steadily, especially in recent years more outstanding, the new highest record in history appears in oil price, and it is predicted that the situation of following oil fuel shortage also will continue to the new forms of energy appearance, so economize on oil is the main flow in the world, concerns international people's livelihood major issue.
Gasoline is the traditional fuel of automobile always, but its source---oil is a kind of non-renewable resource, it is predicted, rate of increase estimation by present oil production rate, global oil storing amount will consume 80% of total amount about 2015-2035 greatly, therefore, it is imperative to seek a kind of new automobile fuel.Methyl alcohol has the diversity of synthesis material, pollutes for a short time during burning, and higher octane value is arranged, and therefore, promises to be following alternative motor fuels most.But further instead of gasoline but still at present as a kind of transition fuel.Exploitation uses alcohol ether gasoline not only to help environment protection, and higher economic return, research octane number (RON) are arranged is the composite target of fuel.The octane value of methyl alcohol is up to 112.Methyl alcohol is large Organic Chemicals, and the aboundresources wide material sources can transform synthetic by coal, the Sweet natural gas preparation, also can produce by timber even rubbish, countries in the world are for saving petroleum resources, from last century the '30s just begin methanol fuel is goed deep into extensive studies.Emergence along with China's economic, the research of methanol fuel used to obtain technically focus on breakthrough, area such as Henan, Shanxi and Hebei to the research of methanol fuel early, some achievements have also been obtained, technology and additive formulations that oneself has been arranged are as the disclosed technology of patent No. ZL97122155.3 document.
Since the eighties in last century, various countries are that oil crisis is found a way out, to the existing breakthrough understanding of methanol fuel.Now methanol gasoline be clean gasoline in many national commercializations such as the U.S., Germany, Italy, Australia, Brazil, high-proportion methanol fuel is considered to comparatively ideal proportioning, because it has remarkable economic efficiency and environmental benefit.
But, discover, with the increase of methanol content in the methanol gasoline mixture, the intermiscibility variation, phase separation temperature rises very fast, and when methanol content reached 40%, phase separation temperature reached maximum value; When quantity of methyl alcohol continuation increase, dark mutually performance improves, and phase separation temperature descends rapidly.This is because the water tolerance of gasoline is minimum, when methanol content after a little while, mainly exist the problems of dissolution between water and gasoline in the mixture; After can reaching the master control status with the methanol content that water dissolves each other, water tolerance increases in the mixture, thereby phase separation temperature descends.
In addition, sneaking into micro-moisture in the methanol gasoline mixture, is very big to the destruction of its intermiscibility, and the moisture content in phase separation temperature and the mixture is proportional substantially, the moisture of every increase by 0.1% in mixture, a temperature that mixes will raise about 10 ℃.As seen moisture is sizable to the destruction of dark property mutually.Therefore, when produce using carbinol gasoline fuel, be strictly on guard against that moisture sneaks into.
The adding of various solubility promoters all can significantly reduce the phase separation temperature of methanol gasoline, has alleviated the production of methanol gasoline mixed fuel, the intermiscibility contradiction in the application basically.
And engine methanol gasoline of the present invention is to carry out on the patent basis perfectly at home and abroad, and through repeatedly research and bench testing, forms the motor car engine methanol gasoline with own characteristics.
Summary of the invention
Methanol gasoline with solubility promoter of the present invention preparation is compared with the methanol gasoline of domestic reasonable solubility promoter preparation, and the present invention has more water resisting property, and power, oil consumption, power all are better than other products, and environmental protection, spatter property are outstanding.
Technical conceive of the present invention is such:
The contriver has selected suitable solubility promoter through a large amount of tests, with the intermiscibility of raising methyl alcohol and gasoline, and can guarantee that methanol gasoline is not stratified in the long time.And can overcome the shortcoming that methanol gasoline south is afraid of to be afraid of cold in the wet north.Because of half less than gasoline of the calorific value of methyl alcohol, the interpolation of solubility promoter can make the calorific value of methyl alcohol rise about 16%.Need not carry out any transformation to engine during application.Methanol gasoline major economic indicators and 93# gasoline quite or slightly surpass in bench testing, rated output rising 1.07kw under test rail pressure 0.3MPa, peak torque has improved 2.7Nm, and can improve the octane value of fuel, reduce emission of harmful substances in the motor exhaust, and production cost is lower.
Engine carbinol gasoline fuel of the present invention is characterized in that, forms (weight %) to be:
Gasoline 30～90%
Methyl alcohol 10～70%
Solubility promoter 0.5～3%
In the gross weight of engine with carbinol gasoline fuel, said solubility promoter is formed (weight %) and is:
Oleic acid or naphthenic acid or lactic acid 30-60%
Ortho Toluidine or triethylamine 1-3%
Tween 80 6-11%
Benzene 25-62%
Anhydrous sodium sulphate 1%
The raw material of the preferred weight per distribution ratio of preparation solubility promoter is:
Oleic acid or naphthenic acid or lactic acid 40-55%
Ortho Toluidine or triethylamine 1-25%
Tween 80 8-10%
Benzene 35-50%
Anhydrous sodium sulphate 1%
The raw material of the optimum weight per distribution ratio of preparation solubility promoter is:
Oleic acid or naphthenic acid or lactic acid 45%
Ortho Toluidine or triethylamine 2%
Tween 80 9%
Benzene 43%
Anhydrous sodium sulphate 1%
The preparation method of solubility promoter is as follows:
In the reactor that is provided with water trap and condenser, add benzene solvent and anhydrous sodium sulphate, open stirrer, add oleic acid or naphthenic acid or lactic acid and tween 80 and Ortho Toluidine or triethylamine successively, beginning is warmed up to 110 ℃, isothermal reaction 3 hours in heating in 2 hours, naturally cooling, obtain product of the present invention, the product physical properties: outward appearance is yellow transparent liquid, proportion 0.85-0.88g/cm
3, do not have water-soluble soda acid.Test by quality control standards (QCS) of the present invention, packing is stored after the assay was approved.
Solubility promoter of the present invention and methyl alcohol add in straight-run spirit, catalytic gasoline, catalytic gasoline and straight-run spirit blended blended gasoline, reformed gasoline and catalytic gasoline and straight-run spirit blended blended gasoline, the 90# gasoline, the layering situation of testing research octane value, layering did not take place in 90-150 days after tested, can satisfy service requirements.
Embodiment
The present invention is described in more detail below in conjunction with embodiment and application examples, but the invention is not restricted to these embodiment and application examples.
Embodiment 1
To produce solubility promoter product 100kg is that used raw material of example and weight proportion thereof are:
Oleic acid 45kg
Ortho Toluidine 2kg
Tween 80 9kg
Benzene 43kg
Anhydrous sodium sulphate 11kg
Its preparation method is as follows:
In the reactor of the condenser of being furnished with water trap, add benzene solvent and anhydrous sodium sulphate, open and stir, add oleic acid or naphthenic acid or lactic acid and tween 80 and Ortho Toluidine or triethylamine successively, begin heating, in 2 hours, be warmed up to 110 ℃, and isothermal reaction 3 hours, cooling then, obtain the yellow liquid product, check, packing, storage.
Embodiment 2
To produce solubility promoter product 100kg is that used raw material of example and weight proportion thereof are:
Oleic acid 30kg
Ortho Toluidine 1kg
Tween 80 6kg
Benzene 62kg
Anhydrous sodium sulphate 1kg
Its preparation method is identical with embodiment 1.
Embodiment 3
To produce solubility promoter product 100kg is that used raw material of example and weight proportion thereof are:
Oleic acid 60kg
Ortho Toluidine 3kg
Tween 80 11kg
Benzene 25kg
Anhydrous sodium sulphate 1kg
Its preparation method is identical with embodiment 1.
Embodiment 4
Oleic acid in above embodiment 1-3 is replaced with naphthenic acid, and its consumption is identical with oleic acid, and other component and consumption thereof are identical with embodiment 1.
Its preparation method is identical with embodiment 1.
Embodiment 5
Oleic acid in above embodiment 1～3 is replaced with lactic acid, and its consumption is identical with oleic acid.Other component and consumption thereof are identical with embodiment 1.
Embodiment 6
Ortho Toluidine in above embodiment 1～5 is replaced with triethylamine, and its consumption is identical with Ortho Toluidine.Other and branch and consumption thereof are identical with embodiment 1.
Its preparation method is identical with embodiment 1.
In order to verify beneficial effect of the present invention, the contriver adopts the methanol gasoline solubility promoter of the embodiment of the invention 1 preparation and methyl alcohol to add in straight-run spirit, catalytic gasoline, catalytic gasoline and straight-run spirit blended blended gasoline, reformed gasoline and catalytic gasoline and straight-run spirit blended blended gasoline, the 90# gasoline, testing research method octane value and layering situation, various test situation are as follows:
1. in straight-run spirit, add the research method octane value and the layering situation of methyl alcohol and solubility promoter of the present invention:
(1) testing method
Get a certain amount of straight-run spirit, add methyl alcohol and solubility promoter, stir, at the research octane number (RON) (RON) of the prepared methanol gasoline of SYP2102-1 octane value aircraft measurements, and the time of under room temperature (5～30 ℃), observing and writing down uncovered methanol gasoline generation demixing phenomenon.
(2) test result
Test result sees Table 1.
Table 1 adds the RON of methyl alcohol and solubility promoter and layering table as a result in straight-run spirit
| Numbering | Straight-run spirit ml | Methyl alcohol ml | Solubility promoter ml | RON | Methanol gasoline uncovered steady time of d |
| 0 1 2 3 4 5 | 100 90 85 75 50 30 | 0 10 15 25 50 70 | 0 0.5 1.2 2 2 2 | 54 64 70 85 91 98 | 100 90 90 120 300 |
Conclusion: in straight-run spirit, add the methanol gasoline of methyl alcohol and solubility promoter, layering did not take place in 90 days, can satisfy service requirements.
2. in catalytic gasoline, add the research octane number (RON) and the layering situation of methyl alcohol and solubility promoter:
(1) testing method
Get a certain amount of catalytic gasoline, add methyl alcohol and solubility promoter, stir, at the research octane number (RON) (RON) of the prepared methanol gasoline of SYP2102-1 octane value aircraft measurements, and the time of under room temperature (5-30 ℃), observing and writing down uncovered methanol gasoline generation demixing phenomenon.
(2) test result
Test result sees Table 2
Table 2 adds the RON of methyl alcohol and solubility promoter and layering table as a result in catalytic gasoline
| Numbering | Straight-run spirit ml | Methyl alcohol ml | Solubility promoter ml | RON | Methanol gasoline uncovered steady time of d |
| 0 1 2 3 4 5 | 100 90 85 75 50 30 | 0 10 15 25 50 70 | 0 0.5 1.0 1.5 2 2 | 89 93 95 96 ≥99 ≥99 | 120 100 110 150 ≥200 |
Conclusion: in catalytic gasoline, add the methanol gasoline of methyl alcohol and solubility promoter, layering did not take place in 100 days, can satisfy service requirements.
3. in the blend gasoline of catalytic gasoline and straight-run spirit, add methyl alcohol and solubility promoter testing research method octane value and layering situation
Testing method: get a certain amount of catalytic gasoline and straight-run spirit, the volume ratio of catalytic gasoline and straight-run spirit is to be mixed into blended gasoline at 1.2: 1, add methyl alcohol and solubility promoter, stir, at the research octane number (RON) (RON) of the prepared methanol gasoline of SYP2102-1 octane value aircraft measurements, and the time of under room temperature (5～30 ℃), observing and writing down uncovered methanol gasoline generation demixing phenomenon.
Test result: test result sees Table 3
Table 3 adds the RON of methyl alcohol and solubility promoter and layering table as a result in catalysis/straight-run spirit
| Numbering | Urge/value/gasoline ml | Methyl alcohol ml | Solubility promoter ml | RON | Methanol gasoline uncovered steady time of d |
| 0 1 2 3 4 5 | 100 90 85 75 50 30 | 0 10 15 25 50 70 | 0 0.5 1.0 1.5 2 2 | 78 88 91 93 ≥99 ≥99 | 130 110 120 160 ≥200 |
Conclusion: be mixed into the methanol gasoline that adds methyl alcohol and solubility promoter in the blended gasoline at catalytic gasoline and straight-run spirit, layering did not take place in 120 days, can satisfy service requirements.
4. be mixed into the research octane number (RON) and the layering situation of adding methyl alcohol and solubility promoter in the blended gasoline at reformed gasoline, catalytic gasoline, straight-run spirit
Testing method: get a certain amount of reformed gasoline, catalytic gasoline, straight-run spirit, reformed gasoline and catalytic gasoline and straight-run spirit volume ratio are to be mixed into blended gasoline at 2: 2: 1, add methyl alcohol and solubility promoter, stir, at the research octane number (RON) (RON) of the prepared methanol gasoline of SYP2102-1 octane value aircraft measurements, and the time of under room temperature (5～30 ℃), observing and writing down uncovered methanol gasoline generation demixing phenomenon.
Test result: test result sees Table 4
Add the RON of methyl alcohol and solubility promoter and layering table as a result in table 4 reformation/catalysis/straight-run spirit
| Numbering | Weigh/urge/straight gasoline ml | Methyl alcohol ml | Solubility promoter ml | RON | Methanol gasoline uncovered steady time of d |
| 0 1 2 | 100 90 85 | 0 10 15 | 0 0.5 1.0 | 90 94 97 | 150 ≥300 |
Conclusion: be mixed into the methanol gasoline that adds methyl alcohol and solubility promoter in the blended gasoline at reformed gasoline and catalytic gasoline and straight-run spirit layering did not take place in 150 days, can satisfy service requirements.
5. in commercially available 90# gasoline, add the research octane number (RON) and the layering situation of methyl alcohol and solubility promoter:
Testing method: get a certain amount of commercially available 90# gasoline, add methyl alcohol and solubility promoter, stir, at the research octane number (RON) of the prepared methanol gasoline of SYP2102-1 octane value aircraft measurements, and the time of under room temperature (5～30 ℃), observing and writing down uncovered methanol gasoline generation demixing phenomenon.
Test result: test result sees Table 5
Table 5 adds the RON of methyl alcohol and solubility promoter and layering table as a result in 90# gasoline
| Numbering | 90# gasoline ml | Methyl alcohol ml | Solubility promoter ml | RON | Methanol gasoline uncovered steady time of d |
| 0 1 2 | 100 90 85 | 0 10 15 | 0 0.8 1.0 | 90.1 93.5 95.2 | 150 ≥180 |
Conclusion: add the methanol gasoline of solubility promoter in the 90# gasoline, layering did not take place in 120 days, can satisfy service requirements.
Engine carbinol gasoline fuel of the present invention, need not carry out any transformation to engine during application, through long engine pedestal running experiment, methanol gasoline major economic indicators and 93# gasoline quite or slightly surpass, rated output rising 1.07KW under test rail pressure 0.33MPa, peak torque has improved 2.7Nm.And this fuel has no adverse effects to motor performance, has increased the octane value of gasoline on the contrary, and has improved dynamic property, so need not the engine of existing vehicle is done any change.Oil product detects through relevant departments, and every index all can reach petroleum products relevant criterion (seeing Table 6).
Application examples 1
Add 10kg methyl alcohol in methyl alcohol batching storage tank, and the solubility promoter 1kg that under agitation adds embodiment 1 stirred 1 hour, add the 89kg reformed gasoline at last, the mixture that obtains is a methanol gasoline, and carries out bench testing.Test-results sees Table 7.
Application examples 2
Add 30kg methyl alcohol in methyl alcohol batching storage tank, and under agitation add the solubility promoter 2kg of embodiment 2, stirred 1 hour, add the 68kg catalytic gasoline at last, the mixture that obtains is a methanol gasoline, and carries out bench testing.Test-results sees Table 7.
Application examples 3
In methyl alcohol batching storage tank, add 50kg methyl alcohol, and under agitation add the solubility promoter 3kg of embodiment 3.Stirred 1 hour, and added 47kg straight-run spirit at last, the mixture that obtains is a methanol gasoline, and carries out bench testing.Test-results sees Table 7.
Table 6
| Interventions Requested | Pure 93# gasoline | Application examples 1 | Application examples 2 | Application examples 3 |
| Research octane number (RON) (RON) is not more than | 93 | 97.8 | 97 | 98 |
| Lead content g/L is not more than | 0.005 | 0.0025 | 0.0025 | 0.0029 |
| Boiling range: 10% vaporization temperature ℃ is not higher than 50% vaporization temperature and ℃ is not higher than 90% vaporization temperature and ℃ is not higher than final boiling point and ℃ is not higher than residual quantity % (V/V) and is not higher than | 70 120 190 205 2 | 47.0 80.4 154.9 191.0 1.4 | 47.6 88.6 159.0 189.9 1.2 | 45.8 75.6 150.3 186.0 0.8 |
| Vapour pressure kpa is not more than | 88 | 61.5 | 63 | 63.75 |
| Existent gum mg/100ml is not more than | 5 | 1 | 1 | 1 |
| Sulphur content % (m/m) is not more than | 0.10 | 0.012 | 0.013 | 0.011 |
| (50 ℃, 3h), level is not more than in copper corrosion | 1 | 1 | 1 | 1 |
| Water soluble acid or alkali | Do not have | Do not have | Do not have | Do not have |
| Benzene content % (V/V) is not more than | 2.5 | 1.2 | 1.2 | 1.3 |
| Aromaticity content % (V/V) is not more than | 40 | 27.7 | 26.5 | 26.2 |
| Olefin(e) centent % (V/V) is not more than | 35 | 15.6 | 16.5 | 17.0 |
| Oxygen level % (m/m) | 0 | 8.08 | 7.34 | 7.72 |
| Moisture content | Do not have | Do not have | Do not have | Do not have |
The alcohol Fuel Petroleum is used for engine, and measured result is as follows:
Engine carbinol gasoline fuel of the present invention, pure oil soluble is good, is difficult for layering, can introduce to the market as tank oil, alleviates the contradiction of petroleum products, suppresses rise of the oil price, also helps the development and utilization of the renewable energy resources; The calorific value of methyl alcohol has risen about 16%;
Product of the present invention, environmental protection, spatter property are given prominence to.Use this carbinol gasoline fuel, reduced CO and the HC concentration in the motor vehicle exhaust, thereby helped purifying air, improve municipal pollution situation etc.Production technique of the present invention is simple, produce not limited by season and scale, and cost is low, and raw material is easily purchased, wide material sources, and is easy to utilize.
Claims (5)
1. composite fuel for automobile engine is characterized in that it forms weight percentage and be:
Gasoline 47～89%
Methyl alcohol 10～50%
Solubility promoter 1～3%
In the gross weight of fuel, said solubility promoter is formed weight percentage and is:
Oleic acid or naphthenic acid or lactic acid 30-60%
Ortho Toluidine or triethylamine 1-3%
Tween 80 6-11%
Benzene 25-62%
Anhydrous sodium sulphate 1%.
2. composite fuel for automobile engine according to claim 1 is characterized in that, described methyl alcohol is technical grade.
3. composite fuel for automobile engine according to claim 1, it is characterized in that described gasoline is selected from No. 90-No. 95 gasoline, straight-run spirit, catalytic gasoline, catalytic gasoline and straight-run spirit blended blended gasolines or reformed gasoline and catalytic gasoline and straight-run spirit blended blended gasoline.
4. composite fuel for automobile engine according to claim 1 is characterized in that, the raw materials by weight percent of preparation solubility promoter is:
Oleic acid or naphthenic acid or lactic acid 45%
Ortho Toluidine or triethylamine 2%
Tween 80 9%
Benzene 43%
Anhydrous sodium sulphate 1%.
5. composite fuel for automobile engine according to claim 1, it is characterized in that, the preparation method of solubility promoter is as follows: in the reactor that is provided with water trap and condenser, add benzene solvent and anhydrous sodium sulphate, open stirrer, add oleic acid or naphthenic acid or lactic acid and tween 80 and Ortho Toluidine or triethylamine successively, beginning is warmed up to 110 ℃ in heating in 2 hours, isothermal reaction 3 hours, naturally cooling obtains product of the present invention.
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| CNB2006101521209A CN100393855C (en) | 2006-09-13 | 2006-09-13 | Composite fuel for automobile engine |
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| CNB2006101521209A CN100393855C (en) | 2006-09-13 | 2006-09-13 | Composite fuel for automobile engine |
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| CN100393855C true CN100393855C (en) | 2008-06-11 |
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| CN102604694B (en) * | 2012-03-23 | 2014-02-12 | 田强 | Methanol gasoline additive and methanol gasoline containing additive thereof |
| CN102643689B (en) * | 2012-04-20 | 2014-08-20 | 西安祺祥能源科技发展有限公司 | M85 methanol gasoline additive used for vehicles and preparation method and applications thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167773C (en) * | 2002-11-21 | 2004-09-22 | 陈林 | Environmental protection energy saving methanol gasoline |
| CN1730624A (en) * | 2005-07-29 | 2006-02-08 | 陕西师范大学 | Emulsion stabilizer for methanol gasoline |
| US20060048443A1 (en) * | 1998-09-14 | 2006-03-09 | Filippini Brian B | Emulsified water-blended fuel compositions |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060048443A1 (en) * | 1998-09-14 | 2006-03-09 | Filippini Brian B | Emulsified water-blended fuel compositions |
| CN1167773C (en) * | 2002-11-21 | 2004-09-22 | 陈林 | Environmental protection energy saving methanol gasoline |
| CN1730624A (en) * | 2005-07-29 | 2006-02-08 | 陕西师范大学 | Emulsion stabilizer for methanol gasoline |
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