CN103571549A - Gasoline detergent, preparation method and applications thereof - Google Patents
Gasoline detergent, preparation method and applications thereof Download PDFInfo
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- CN103571549A CN103571549A CN201210265736.2A CN201210265736A CN103571549A CN 103571549 A CN103571549 A CN 103571549A CN 201210265736 A CN201210265736 A CN 201210265736A CN 103571549 A CN103571549 A CN 103571549A
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Abstract
The invention provides a gasoline detergent, a preparation method, and applications thereof. The gasoline detergent comprises polyether amine with a surface activity, a gasoline octane value improver, and alkane solvent naphtha, wherein by taking the volume percentage of the gasoline detergent as the baseline, the volume percentage of the polyether amine is 30-70 vol%, the volume percentage of the gasoline octane value improver is 3-20 vol%, and the volume percentage of the alkane solvent naphtha is 25-60 vol%. The gasoline detergent can more effectively remove the carbon deposition on the oil nozzle, combustion chamber, and intake valve of a motor, improves the economic profit of fuel combustion, reduces the gasoline consumption, prevents the motor wear, prolong the service life of the motor, and decreases the maintenance fee. The cost of the gasoline detergent is low, because an ideal effect can be achieved by using only a few amount of the gasoline detergent.
Description
Technical field
The present invention relates to a kind of gasoline cleaning agent, preparation method and its usage.
Background technology
Along with the fast development of automotive industry, the recoverable amount of China's automobile is increasing sharply.Be accompanied by automobile to people produce, life is when bringing convenience, and also strengthened the consumption of petroleum resources and the discharge of tail gas objectionable impurities.How to allow motor car engine for a long time in good work condition state, fuel gasoline is burnt fully, reduce oil consumption, improve discharge.This just necessarily requires the fuel oil inlet system of motor car engine to keep clean for a long time.For this reason, in national environmental standard, clearly stipulate must add effective gasoline cleaning agent in motor spirit.
And in Hyundai Motor technology, fuel electron spraying system (PFI) has replaced the automobile of carburettor comprehensively, direct spray petrol engine in cylinder (GDI) technology is also universal gradually, the fuel injector aperture of these engines is very little, working temperature is higher, be easy to be stopped up by carbon distribution, cause the problems such as atomization badness, fuel feeding are not smooth, oil consumption increase, deterioration of emission.Development along with Modern Engine technology, the application of turbo-charging and discarded recirculation system is increasingly extensive, the thermal load of engine is increasing, the settling problem of engine intake valve is also more and more serious, and intake valve settling causes cylinder seal not tight, causes engine mixed gas to leak, cylinder drops, power reduces, and has a strong impact on fuel economy, dynamic property and the feature of environmental protection of engine, and the overall performance of engine is declined.The not good increase that also can cause deposition of combustion chamber of engine of the performance of gasoline cleaning agent, the total settling of gasoline engine combustion chamber significantly increases, can make the compression ratio of engine increase, and be difficult for heat radiation, to cause the gas temperature in compression in combustion chamber to raise, OR Octane Requirements increases, and increases the mechanical disturbance between top land and cylinder cap when serious, produce " carbon engine knock ", finally will cause that engine consumption increases, deterioration of emission.Therefore the performance of gasoline cleaning agent is had to higher requirement.
Prior art discloses a kind of fuel oil additive, and the sanitas by 10%, the octane enhancer of 10-20%, the ethylene glycol of 5-20%, the polyetheramine of the acetone of 10-20%, 3-5%, all the other are solvent composition.The xylene mixture that wherein octane enhancer is 4:4:6:1:1 by mass ratio: MTBE(dimethyl tertbutyl ether): decane: ferrocene: octanol forms, solvent is dimethylbenzene.Can improve to a certain extent dynamic performance and reduce exhaust contaminant content, but it removes the DeGrain of engine nozzle, combustion chamber and inlet valve carbon distribution, and owing to having used xylene aromatic hydrocarbons, this type of material is not only harmful, and distinctive unsaturated link(age) is oxidizable, colloid in fuel is increased, make on the contrary carbon distribution increase.The ferrocene simultaneously containing in additive generates ferric oxide and stays in combustion chamber and be also difficult for being taken out of after burning, has increased the wearing and tearing of engine.Also have open in order to suppress prime the fuel system generation settling, can effectively clean vehicle in use nozzle burner, the sedimental gasoline cleaning agent that intake valve and combustion chamber have produced, the high surface polyetheramine that comprises 10-85%, the high surface PIBA of 5-20%, 5～35% carry oil, the solvent oil of 0-30% and the oxidation inhibitor of 1.0-3.0%, the rust-preventive agent of 0.5-1.5%, the sanitas of 0.5-1.0%, the emulsion splitter of 0.1-0.5%, its solvent oil is selected from trimethylbenzene, durene, alkylbenzene, aromatic hydrocarbon oil, kerosene, isooctyl alcohol, glycol ether equal solvent, can the automatic cleaned engine oil nozzle of free removal, intake valve, fuel oil chamber settling, make motor car engine for a long time in good working order, and keep clean, improve the quality of motor spirit, make motor car engine burning more abundant, improve thermo-efficiency.But its solvent oil of selecting for example trimethylbenzene, durene, alkylbenzene, aromatic hydrocarbon oil is not only harmful, and distinctive unsaturated link(age) is oxidizable, colloid in fuel is increased, make on the contrary carbon distribution increase, make its de-carbon not reach ideal effect, and it has used a large amount of functional additives, cost is also higher, the addition of the gasoline cleaning agent of preparation in gasoline is generally 1000ppm-3000ppm, and addition is larger.
Summary of the invention
The invention solves the technical problem that clean de-carbon effect is undesirable and cost is high, usage quantity is large of existing gasoline cleaning agent, the more effective removing engine nozzle of a kind of energy, combustion chamber and inlet valve carbon distribution are provided; Improve fuel economy, reduce oil consumption, prevent the wearing and tearing of engine; Increasing service life of engine, minimizing maintenance cost and cost is low, in gasoline, less usage quantity can reach ideal effect gasoline cleaning agent, Its Preparation Method And Use.
First object of the present invention is to provide a kind of gasoline cleaning agent, comprise octane enhancing additive and the alkane solvents oil with surface-active polyetheramine, gasoline, the volumn concentration of gasoline cleaning agent of take is benchmark, and the volumn concentration of described polyetheramine is 30-70vol%; The volumn concentration of the octane enhancing additive of described gasoline is 3-20vol%; The volumn concentration of described alkane solvents oil is 25-60vol%.
Second object of the present invention is to provide the preparation method of above-mentioned gasoline cleaning agent, comprises the octane enhancing additive of the polyetheramine of high surface, gasoline and alkane solvents oil, in room temperature or be no more than under the condition of 60 ℃ and be uniformly mixed.
The 3rd object of the present invention is to provide the purposes of above-mentioned gasoline cleaning agent, by 500-2000ppm dosage, joins in gasoline.
The present inventor surprisingly finds, by the mixing of the octane enhancing additive with surface-active polyetheramine, gasoline of the present invention and three kinds of essential substance of alkane solvents oil, there is stronger clean-up performance, the more effective removing engine nozzle of energy, combustion chamber and inlet valve carbon distribution; Improve fuel economy, reduce oil consumption, prevent the wearing and tearing of engine; Increasing service life of engine, reduces maintenance cost, and need not be by expensive functional additive, and cost is low, and in gasoline, less usage quantity can reach ideal effect simultaneously, even can only with adding 500ppm, can realize the cleaning effect that the present invention is strong.Inferring may be because the interaction energy between three materials obviously improves its clean de-carbon performance; And there is surface-active polyetheramine itself and also can prevent that carbon distribution is deposited on body surface and shields, also the soot particles in oil can be coated, prevent that soot particles from continuing increase and playing compatibilization; Simultaneously the octane enhancing additive of gasoline itself can improve the octane value of gasoline, good with the consistency of polyetheramine and alkane solvents oil, can bring into play preferably its capability of antidetonance, reduce engine vibrations, make sound; Particularly not only cost is low for alkane solvents oil, pollution-free, and specific heat of combustion is high, and burning liberated heat is large, can make the greasy filth of combustion chamber, carbon distribution become ash content under high-temp combustion, and then discharges engine, noresidue, and de-carbon effect is more obvious.The consistency of gasoline cleaning agent of the present invention and various gasoline is good simultaneously, can be applicable to various model petrol motor and various trade mark gasoline and various weather condition.Method of the present invention is simple and easy to realize, easily large-scale production and application.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of gasoline cleaning agent, comprise and have the octane enhancing additive of surface-active polyetheramine, gasoline and alkane solvents oil, the volumn concentration of gasoline cleaning agent of take is benchmark, and the volumn concentration of described polyetheramine is 30-70vol%; The volumn concentration of the octane enhancing additive of described gasoline is 3-20vol%; The volumn concentration of described alkane solvents oil is 25-60vol%, the more effective removing engine nozzle of energy, combustion chamber and inlet valve carbon distribution; Improve fuel economy, reduce oil consumption, prevent the wearing and tearing of engine; Increasing service life of engine, reduce maintenance cost, and cost is low, less usage quantity can reach ideal effect in gasoline.
Further preferably, the volumn concentration of gasoline cleaning agent of take is benchmark, and the volumn concentration of described polyetheramine is 36-65vol%; The volumn concentration of the octane enhancing additive of described gasoline is 3-12vol%; The volumn concentration of described alkane solvents oil is 30-60vol%, further optimizes the performance of gasoline cleaning agent.
Preferably, solvent oil is selected from low boiling point solvent oil or medium-boiling solvent oil, and the boiling point of described low boiling point solvent oil is 60-90 ℃, and the boiling point of described medium-boiling solvent oil is 80-120 ℃.Further preferably alkane solvents oil comprises C
8-C
20straight-chain paraffin or naphthenic hydrocarbon.In better situation, be specially D80 and/or D90, further optimizing safety performance and de-carbon ability, can further avoid the generation of ash content simultaneously, further protects engine.
Preferably, to be selected from amine be that uprising dose or ether are one or more in uprising dose to the octane enhancing additive of gasoline.Further optimize the uprising performance of gasoline.Wherein amine is that uprising dose and ether are not restriction of uprising dose of the present invention, and the various amine that can be known to the skilled person are that uprising dose and ether are uprising dose.Preferably, it can be xylidine or triethyl-benzene amine that amine is uprising dose, and ether is uprising dose can select one or more in methyl tertiary butyl ether, dme or a methanol-ethers compound.In better situation, be specifically as follows the methyl tertiary butyl ether of Nanjing Feng Cheng Chemical Co., Ltd. production etc.
Wherein, having surface-active polyetheramine is tensio-active agent, is preferably R-[O-CH
2-CH(CH
3)]
x-NH
2, wherein R is C
15-20alkyl or aryl hydrocarbon, x is 13-17.In better situation, be specifically as follows the Lz9522c that Lubrizol Corp. produces, the surface-active amine series product of Surfonamin of Huntsman company etc.There is polar group and non-polar group; polar group can be adsorbed on metal object surface; non-polar group can stretch in oil; preferred polar group, non-polar group can better prevent that carbon distribution is deposited on body surface and shields; with the soot particles in oil is coated, prevent from that soot particles from continue increasing to play compatibilization.
The present invention provides the preparation method of above-mentioned gasoline cleaning agent simultaneously, comprises the octane enhancing additive of the polyetheramine of high surface, gasoline and alkane solvents oil, in room temperature or be no more than under the condition of 60 ℃ and mix.Preparation equipment and technique can adopt common process, improvements of the present invention are that the composition of gasoline cleaning agent is different, mix not restriction, in better situation, be specifically as follows and first reactor be for example in harmonious proportion to still and clean out, the octane enhancing additive of gasoline and solvent oil are joined and be in harmonious proportion in still, then add polyetheramine, in room temperature or be no more than under the condition of 60 ℃ and be uniformly mixed.
The present invention provides the purposes of above-mentioned gasoline cleaning agent simultaneously, by 500-2000ppm dosage, joins in gasoline.Usage quantity is few, and cost is low.The consistency of gasoline cleaning agent of the present invention and various gasoline is good, can be applicable to various model petrol motor and various trade mark gasoline and various weather condition.
Below in conjunction with specific embodiment, the present invention is further described, in embodiment and comparative example, the raw material that adopts is all commercially available.
Embodiment 1
Mediation still is cleaned out, by the octane enhancing additive (methyl tertiary butyl ether of 5vol%, Nanjing Feng Cheng Chemical Co., Ltd.) and the solvent oil (D80 of 45Vol%, Maoming Petrochemical) join and be in harmonious proportion in still, the polyetheramine (Lz9522c of Lubrizol company) that adds again 50Vol%, is at room temperature uniformly mixed to obtain gasoline cleaning agent sample S1.
Embodiment 2
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S2, the amount of different is polyetheramine is 30vol%, and the amount of the octane enhancing additive of gasoline is 10vol%, and the amount of solvent oil is 60vol%.
Embodiment 3
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S3, the amount of different is polyetheramine is 45vol%, and the amount of the octane enhancing additive of gasoline is 15vol%, and the amount of solvent oil is 40vol%.
Embodiment 4
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S4, the amount of different is polyetheramine is 65vol%, and the amount of the octane enhancing additive of gasoline is 3vol%, and the amount of solvent oil is 32vol%.
Embodiment 5
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S5, the amount of different is polyetheramine is 40vol%, and the amount of the octane enhancing additive of gasoline is 8vol%, and the amount of solvent oil is 52vol%.
Embodiment 6
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S6, different is that solvent oil is D90(Maoming Petrochemical).
Embodiment 7
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample S7, the octane enhancing additive of different is gasoline is dme (Fu Bao group).
Comparative example 1
Adopt the method identical with embodiment 1 to prepare gasoline cleaning agent sample DS1.Different is the polyetheramine that consists of 43Vol% (Lz9522c of Lubrizol company) of gasoline cleaning agent, the high-activity polyisobutene amine of 7vol% (the KEROCOM PIBA that German BASF AG buys), 25vol% carries oil (II class 500SN mineral base oil), the aromatic solvent naphtha of 22vol%, the T502 antioxidant of 1.0vol%, the T747 rust-preventive agent of 1.0vol%, the T551 sanitas of 0.5vol%, the BAKER T emulsion splitter of 0.5vol%.
Performance test:
Simulation cleaning rate: gasoline cleaning agent sample S1-S7 and the DS1 of embodiment 1-7 and comparative example 1 preparation are added in commercially available 93# gasoline, adopt appendix B petrol engine air admission valve deposits simulation experiment method in GB19592-2004 motor spirit purification agent, test result is as table 1.
Apparent: a vehicle of not trying out gasoline cleaning agent is done to the test of engine endoscope, the carbon distribution situation of the inlet valve of observation engine, oil nozzle, piston face, then to car, fill it up with 93# gasoline, adding one bottle of concrete addition of gasoline cleaning agent sample S1(is 1200ppm again), the engine endoscope that tries again after this case gasoline is run through end test, the carbon distribution situation of the inlet valve of observation engine, oil nozzle, piston face.From photo, can see, after the vehicle of not trying out gasoline cleaning agent is run through, the oil nozzle of engine is covered by carbon distribution, has the white ash content after burning on inlet valve, and top land also has black carbon distribution to cover; Add and treat that this case gasoline runs through the oil nozzle place that finishes rear engine and without carbon distribution, cover after purification agent, inlet valve and top land have all exposed metallic surface, can see metalluster.
Table 1
| ? | Addition/ppm | Add the front inlet valve settling weight of agent | Add inlet valve settling weight after agent | Cleaning rate/% |
| S1 | 500 | 1.8 | 0.92 | 48.9 |
| S1 | 1200 | 1.8 | 0.15 | 91.7 |
| S2 | 500 | 1.8 | 0.99 | 45.0 |
| S2 | 1200 | 1.7 | 0.35 | 79.4 |
| S3 | 1200 | 1.7 | 0.24 | 85.9 |
| S4 | 1200 | 1.7 | 0.13 | 92.4 |
| S5 | 1200 | 1.8 | 0.32 | 82.2 |
| S6 | 1200 | 1.8 | 0.14 | 92.2 |
| S7 | 1200 | 1.8 | 0.14 | 92.2 |
| DS1 | 1200 | 1.8 | 1.17 | 35.0 |
The gasoline cleaning agent that as can be seen from the table prepared by the present invention has stronger clean-up performance, in usage quantity seldom in the situation that, also can reach high cleaning rate, in the situation that containing equivalent and thering is surface-active material, need not add functional additive and there is strong clean-up performance, cost is low, the more effective removing engine nozzle of energy, combustion chamber and inlet valve carbon distribution, improve fuel economy, reduce oil consumption, prevent the wearing and tearing of engine; Increasing service life of engine, reduces maintenance cost, even can only with adding 500ppm, can realize the cleaning effect that the present invention is strong.Method of the present invention is simple and easy to realize, easily large-scale production and application.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a gasoline cleaning agent, is characterized in that, comprises and has the octane enhancing additive of surface-active polyetheramine, gasoline and alkane solvents oil, and the volumn concentration of gasoline cleaning agent of take is benchmark, and the volumn concentration of described polyetheramine is 30-70vol%; The volumn concentration of the octane enhancing additive of described gasoline is 3-20vol%; The volumn concentration of described alkane solvents oil is 25-60vol%.
2. gasoline cleaning agent according to claim 1, is characterized in that, the volumn concentration of gasoline cleaning agent of take is benchmark, and the volumn concentration of described polyetheramine is 36-65vol%; The volumn concentration of the octane enhancing additive of described gasoline is 3-12vol%; The volumn concentration of described alkane solvents oil is 30-60vol%.
3. gasoline cleaning agent according to claim 1, its feature exists, and described solvent oil is selected from low boiling point solvent oil or medium-boiling solvent oil, and the boiling point of described low boiling point solvent oil is 60-90 ℃, and the boiling point of described medium-boiling solvent oil is 80-120 ℃.
4. gasoline cleaning agent according to claim 3, is characterized in that, described alkane solvents oil comprises C
8-C
20straight-chain paraffin or naphthenic hydrocarbon.
5. gasoline cleaning agent according to claim 1, is characterized in that, solvent oil is D80 and/or D90.
6. gasoline cleaning agent according to claim 1, is characterized in that, it is that uprising dose or ether are one or more in uprising dose that the octane enhancing additive of gasoline is selected from amine.
7. gasoline cleaning agent according to claim 6, is characterized in that, the octane enhancing additive of described gasoline is selected from one or more in xylidine, triethyl-benzene amine, methyl tertiary butyl ether, dme or a methanol-ethers compound.
8. gasoline cleaning agent according to claim 1, is characterized in that, described in to have surface-active polyetheramine be R-[O-CH
2-CH(CH
3)]
x-NH
2, wherein R is C
15-20alkyl or aryl hydrocarbon, x is 13-17.
9. a preparation method for gasoline cleaning agent as claimed in claim 1, is characterized in that, comprises the octane enhancing additive of the polyetheramine of high surface, gasoline and alkane solvents oil, in room temperature or be no more than under the condition of 60 ℃ and mix.
10. a purposes for gasoline cleaning agent as claimed in claim 1, is characterized in that, by 500-2000ppm dosage, joins in gasoline.
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| CN103897756A (en) * | 2014-04-16 | 2014-07-02 | 中山职业技术学院 | Energy-efficiency and environment-friendly fuel additive for GDI engine for removing water and carbon deposit and preparation method thereof |
| CN105802681A (en) * | 2016-03-24 | 2016-07-27 | 黄毅 | Oil-saving gasoline detergent and preparation method thereof |
| CN106811249A (en) * | 2015-12-01 | 2017-06-09 | 窦满宏 | A kind of fuel environment protection additive and preparation method thereof |
| CN106995732A (en) * | 2017-04-18 | 2017-08-01 | 湖北文理学院 | A kind of Vehicular gasoline addictive |
| CN111635793A (en) * | 2020-04-27 | 2020-09-08 | 江苏龙蟠科技股份有限公司 | Cleaning type gasoline detergent as well as preparation method and using method thereof |
| CN113337318A (en) * | 2021-06-08 | 2021-09-03 | 盛世昆仲(北京)科技发展有限公司 | Preparation method of energy-saving and environment-friendly fuel oil |
| CN115109623A (en) * | 2022-07-28 | 2022-09-27 | 北京中科工匠科技有限公司 | Composite additive for vehicle gasoline, preparation method and use method thereof |
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Cited By (8)
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| CN103897756A (en) * | 2014-04-16 | 2014-07-02 | 中山职业技术学院 | Energy-efficiency and environment-friendly fuel additive for GDI engine for removing water and carbon deposit and preparation method thereof |
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| CN106995732A (en) * | 2017-04-18 | 2017-08-01 | 湖北文理学院 | A kind of Vehicular gasoline addictive |
| CN111635793A (en) * | 2020-04-27 | 2020-09-08 | 江苏龙蟠科技股份有限公司 | Cleaning type gasoline detergent as well as preparation method and using method thereof |
| CN113337318A (en) * | 2021-06-08 | 2021-09-03 | 盛世昆仲(北京)科技发展有限公司 | Preparation method of energy-saving and environment-friendly fuel oil |
| CN115109623A (en) * | 2022-07-28 | 2022-09-27 | 北京中科工匠科技有限公司 | Composite additive for vehicle gasoline, preparation method and use method thereof |
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