CN103897756B - GDI engine energy-conserving and environment-protective dewater carbon remover fuel oil additive and preparation method thereof - Google Patents
GDI engine energy-conserving and environment-protective dewater carbon remover fuel oil additive and preparation method thereof Download PDFInfo
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- CN103897756B CN103897756B CN201410153334.2A CN201410153334A CN103897756B CN 103897756 B CN103897756 B CN 103897756B CN 201410153334 A CN201410153334 A CN 201410153334A CN 103897756 B CN103897756 B CN 103897756B
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Abstract
The invention discloses a kind of GDI engine energy-conserving and environment-protective to dewater carbon remover fuel oil additive and preparation method thereof, this additive contains solvent, promotor, catalyzer, sanitas and tensio-active agent, specifically be made up of following weight percent composition: dehydrated alcohol 12 ~ 25%, Sodium dodecylbenzene sulfonate 1 ~ 2%, N.N-double hydroxyethyl alkylamide 0.5 ~ 1%, Sodium Benzoate 0.5 ~ 1.5%, solketal 10 ~ 30%, AEO-650 ~ 75%.The present composition adds in gasoline, with the unsaturated hydrocarbons generation chemical reaction in gasoline, generate epoxy compounds, the peroxide concentrations generated in whole combustion processes is reduced, avoid many flame kernels to generate, Shi Xiangweiran district propagates the declines of activated combustion core.Can provide and burn more completely, reduce the discharges such as CO.
Description
[technical field]
The present invention relates to a kind of fuel oil additive and preparation method thereof, particularly relate to a kind of GDI engine energy-conserving and environment-protective and to dewater carbon remover fuel oil additive and preparation method thereof, belong to chemical technology field.
[background technology]
In combustion engine energy-saving and green technology, GDI (gasoline in-cylinder direct-jet) engine is with its higher fuel efficiency, and lower gas exhausting property, is applied in various mainstream car design rapidly.Although GDI engine is more advanced, but owing to being subject to fuel qualities difference, lubricating oil use in the impact of each factor such as sulfur-bearing phosphorus antioxidant, urban road congestion, automobile is after having travelled for some time, inlet system, the firing system of engine still can produce colloid carbon deposit, still blocking chemical complex can be adhered in the oxygen sensor of exhaust system, ternary catalyzing unit, thus cause the problems such as automobile fuel consumption increase, power dropping, tail gas exceed standard, therefore, after the certain mileage of running car, GDI engine is the same with PFI engine will carry out cleaning maintenance.But because GDI engine and PFI engine fuel and blowdown system have larger difference, self there are following problems in the application, if do not note the rational operation and maintenance of vehicle (fuel qualities requires higher), GDI prime the fuel system and discharge etc. are more easily caused to occur abnormal working order.GDI engine characteristics and problems is as follows:
1. GDI engine (as popular TFSI engine) have employed the combustion mode such as stratified combustion and homogeneous combustion, oil thrower is different from PFI engine, require that atomization quality requires higher, general Suo Te mean particle size (SMD) should not be greater than 25 μm, the fuel oil granularity (DV90) of 90% is no more than 45 μm, simultaneously in order to keep suitable penetration degree, injection oil pressure should maintain between 4 ~ 13MPa.The oil thrower of GD I engine is placed in cylinder, and relative injection oil pressure is low, and spray orifice does not have self-cleaning ability, is easy to fouling, causes that fuel charge reduces, spray characteristics degenerates, and then make the burn deterioration of engine, affects power stage and the discharge of engine.
2.GDI prime the fuel system have employed high-pressure pump (band oil pressure adjusting valve), petrol-feed pump and oil thrower power requirement high, on market, the oilness of gasoline is poor, and the impurity such as water, sulphur is more, should be improved by additive.
3.GD I petrol motor, when ultra-lean burn, easily causes carbon distribution because high temperature lacks fire.The steam raising of fuel makes cylinder temperature on the low side in addition, and after igniting, flame weakens gradually in communication process, causes flame-out, makes gas mixture can not Thorough combustion, produces carbon distribution.
4. in, under Smaller load, the discharge of unburned carbon hydrogen (UBHC) is more, and easily cause flame from dense district to the extinguishing in rare district because adopting during stratified mixtures, rare air-fuel ratio working conditions causes cylinder temperature on the low side, is also unfavorable for the continuation oxidation subsequently of unburned carbon hydrogen.In addition easily cause GDI engine particulate emission when underload, transient running and cold start-up have more increase than traditional intake port injection petrol motor, therefore easily make the emission control systems such as ternary catalyzing unit and oxygen sensor lose efficacy.
Gasoline is very large to engine performance impacts, and the technological lag that fuel oil is produced is in the speed of development of automobile, and domestic gasoline dope research also far lags behind developed country.By the restriction of outdated equipment and state of the art, China current more than 80% is catalytic gasoline, and olefin(e) centent is higher.Fuel oil specification current index in the world's is lower than 10% (alkene), and China is up to 35%.
The maintenance such as gasoline dope and engine cleansing agent is various in style, and purposes is also not quite similar, according to applied links, and the additive that the additive that the additive that Oil Production process can be divided to apply, transport and stock's link use, car terminals user use.In the maintenance product that user vehicle uses, on market, the clean-out system such as the cleaning oil thrower of simple function, cylinder or valve carbon distribution, ternary catalyzing unit is more.Mostly marketable gasolines additive is by the packing of clean kept type product, needs each interpolation can play certain effect of keeping a public place clean to vehicle; But to the carbon distribution that firing system has produced, be then difficult to effectively clean.The technical solution of some additive, be original for PFI engine even designed by carburettor class vehicle, improper use, can increase the combustion chamber deposit (CCD) of GDI engine, affect engine normal service life.From entirety, the additive research of the raising gasoline performance used with petrochemical industry fuel oil production process is more, engine maintenance articles for use for car terminals user are developed mainly for the work of PFI engine and constructional feature, and the product research being applied to GDI engine is less.
[summary of the invention]
The object of the invention is to the defect overcoming above-mentioned existing fuel product, provide a kind of and reduce straight spray petrol engine settling, burning particles thing, emulsification dewaters, clean antirust GDI engine energy-conserving and environment-protective dewater carbon remover fuel oil additive.
Another object of the present invention is to provide a kind of preparation method of above-mentioned fuel oil additive.
The present invention to achieve these goals, by the following technical solutions:
GDI engine energy-conserving and environment-protective dewater carbon remover fuel oil additive, containing solvent, promotor, catalyzer, sanitas and tensio-active agent, are specifically made up of following weight percent composition:
The present invention is mainly object for GDI engine, the additive of the compound multiple-effect that car terminals user uses.
From Additive Properties and use, substantially following a few class can be divided into: octane promoter, anti-oxidant antigum inhibitor, metal passivator, sanitas, deicing agent, detergent-dispersant additive, ignition dope and static inhibitor etc., utilize testing of engine, by additive rational proportion, the dynamic property of fuel oil quality and engine can be improved, economy and emission performance, its mechanism is: a small amount of fuel oil additive can play a part component structure and the combustioncharacteristics of effectively improving fuel oil, make engine mixed air flame propagation velocity in combustion, rate of heat release, temperature in combustion chamber and cylinder and pressure and other parameters generation quantitative change, thus generation improves combustion processes, improve dynamic property, save oil consumption, the effects such as the generation of decreasing pollution thing and discharge.
The effect of additive, cost and relevant with chemical constitution with the kind of additive to the pollution level of environment.The general gasoline dope component of Application comparison mainly contains organometallic compound, ethers, sour lipid and alcohols etc.; Manganese-based compound, particularly more effective to high paraffinic hydrocarbon gasoline, the technology difficulty of refinery can be reduced, reduce Aromatic Hydrocarbon in Gasoline, alkene equal size, reduce the discharge of CO and NOx in vehicle exhaust; Nitro-compound is as latest generation gasoline detergent ignition dope MAZ, and its main component is the nitro-compound of hydro carbons, and the molecular structure of more than 90% composition is by RC and NO
2liang Ge functional group forms, and chemical reactivity is high, easily produces free radical in combustion, promotes chain reaction, improve flame propagation velocity.After adding this additive in fuel oil, effectively can improve formation and the burning quality of premixed gas, thus improve the combustioncharacteristics of petrol motor, receive the effect of saving oil consumption and the discharge of decreasing pollution thing.Oxygen-containing organic compound (ether, alcohol, ester etc.) adds in gasoline, with the unsaturated hydrocarbons generation chemical reaction in gasoline, generate epoxy compounds, the peroxide concentrations generated in whole combustion processes is reduced, avoid many flame kernels to generate, Shi Xiangweiran district propagates the declines of activated combustion core.Can provide and burn more completely, reduce the discharges such as CO.In recent years, gasoline dope was always towards organic ashless class future development, and a lot of addO-on therapy has been widely used and has confirmed.
The process nature of gasoline combustion is oxidising process, and under the same conditions, the oxidation rate of little oil droplet is obviously faster than larger oil droplet, and velocity of evaporation also exists notable difference.Motor speed is high, particularly GDI engine, and in gasoline direct cylinder injection, the gas mixture pre-mixing time is short, therefore needs, by adding suitable substance, can promote fuel oil surface tension variations, is easy to evaporation.Add ignition dope, gasoline combustion heat energy is as far as possible thoroughly discharged, improve utilization efficiency of heat energy, especially in GDI layered model warming-up process, reduce soot and carbon distribution generation, reduce oil consumption.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 15%, Sodium dodecylbenzene sulfonate 1%, N.N-double hydroxyethyl alkylamide 0.5%, Sodium Benzoate 1%, solketal 22.5%, AEO-6 60%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 20%, Sodium dodecylbenzene sulfonate 1.5%, N.N-double hydroxyethyl alkylamide 0.5%, Sodium Benzoate 1.5%, solketal 12.5%, AEO-6 64%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 12%, Sodium dodecylbenzene sulfonate 1%, N.N-double hydroxyethyl alkylamide 1%, Sodium Benzoate 1%, solketal 18%, AEO-6 67%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 15%, Sodium dodecylbenzene sulfonate 1%, N.N-double hydroxyethyl alkylamide 1%, Sodium Benzoate 1%, solketal 17%, AEO-6 65%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 18%, Sodium dodecylbenzene sulfonate 1.5%, N.N-double hydroxyethyl alkylamide 0.5%, Sodium Benzoate 1%, solketal 24%, AEO-6 55%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 25%, Sodium dodecylbenzene sulfonate 2%, N.N-double hydroxyethyl alkylamide 1%, Sodium Benzoate 0.5%, solketal 10%, AEO-6 61.5%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 16%, Sodium dodecylbenzene sulfonate 2%, N.N-double hydroxyethyl alkylamide 1%, Sodium Benzoate 1%, solketal 30%, AEO-6 50%.
Fuel oil additive of the present invention, preferred weight percent component consists of: dehydrated alcohol 13%, Sodium dodecylbenzene sulfonate 1%, N.N-double hydroxyethyl alkylamide 0.5%, Sodium Benzoate 0.5%, solketal 10%, AEO-6 75%.
Any one fuel oil above-mentioned adds the preparation method of middle dose, it is characterized in that comprising the following steps:
Dehydrated alcohol, Sodium dodecylbenzene sulfonate, Sodium Benzoate, N.N-double hydroxyethyl alkylamide, AEO-6 are joined in container, stir at normal temperatures and pressures, slowly solketal is added in whipping process, after the whole stirring and dissolving of material is even, leave standstill observe and sample detection qualified after, packing.
The present invention, relative to prior art, has following advantage:
The present invention is the composition improving hydrocarbon fuel performance, containing materials such as acid amides as loosening agent between promotor and oil molecule, introduce selective oxidation catalysed promoted technology, when atoms metal or non-metallic atom exist with the ratio of trace or tracer level, composition increases combustion completion, detergency, micro-system oilness, erosion resistance, the oxidation-resistance of hydrocarbon fuel significantly and to reduce between oil molecule the characteristics such as gravitation.The present composition adds in gasoline, with the unsaturated hydrocarbons generation chemical reaction in gasoline, generate epoxy compounds, the peroxide concentrations generated in whole combustion processes is reduced, avoid many flame kernels to generate, Shi Xiangweiran district propagates the declines of activated combustion core.Can provide and burn more completely, reduce the discharges such as CO.
[embodiment]
Below in conjunction with embodiment, the present invention will be further described:
Embodiment 1:
The weight percent composition of fuel oil additive: dehydrated alcohol 15%, Sodium dodecylbenzene sulfonate 1%, Sodium Benzoate 1%, N.N-double hydroxyethyl alkylamide 0.5%, solketal 22.5%, AEO-6 consumption 60%.
The preparation method of embodiment 1 is: join in container by proportioning by dehydrated alcohol, Sodium dodecylbenzene sulfonate, Sodium Benzoate, N.N-double hydroxyethyl alkylamide, AEO-6, stir at normal temperatures and pressures, slowly solketal is added in whipping process, after the whole stirring and dissolving of material is even, leave standstill observe transparent not stratified and sampling detect the indices such as its density, dropping point, cone penetration, outward appearance smell qualified after, packing.
Embodiment 2-8 is equally prepared with the preparation method of the component proportion of claim 3-9 with embodiment 1 respectively.
Using method of the present invention: this agent product every bottle of 80ml, can convert in 80 liters of gasoline or diesel oil for every bottle.This product is added in fuel tank before oiling, is adapted at adding when trunkful fuel oil is or adds poor quality fuel oil and uses, advise that every 5,000 kilometers use once.
First add this product before each oiling, and then fuel oil is filled it up with.
This product G DI gasoline compound multipurpose additive, the actual test of result of use, in June, 2013 carries out driving test in units such as Zhongshan City, Guangdong Province Zhong Teng sale of automobile company limited, performances of motor vehicles measuring stations, further demonstrate that the additive of embodiment 1-8 dewaters, except colloid, suppresses the performance effects such as carbon distribution settling.
Test vehicle: Magotan 1.8TSI vehicle, engine model BYJ 1.8L, 118KW, 2009 model years.Through simultaneous test, after adding agent, obtain following effect:
(1) cleaning of high-pressure fuel oil system major parts is good
Use the vehicle fuel system works of research and development product good, average travel has reached three drain periods, do not occur because the lost efficacy engine cold car that causes or warming-up process idling of oil thrower blocking, injection pump abnormal damage and variable valve flutters, the oily fault phenomenon of the delayed grade of accelerating ability, maintain the spatter property of vehicle fuel system preferably, ensure responsiveness and the accuracy of high-pressure system work.
(2) fuel oil consumption reduces
Real vehicle application testing is carried out to product, adopts the traveling simultaneous test adding same road condition before and after agent, fuel oil 3.8% can be saved after adding agent, reach national the production of saving petrol standard.
(3) exhaust gas emission reduces
By real vehicle idling contrast test, under Double idle state method test case, average emission HC reduces by 4.76%, CO and reduces by 8.33%.ASM5025 and ASM2540 Two-way Cycle average emission, HC reduces 5.88%, CO minimizing, 7.14%, NOx and have dropped 7.25%, and discharge indices all exceedes HC in the waste gas of arranging in contract and reduces the requirement that 3%, CO reduces the minimizings 5% such as 5%, NO compound.
Claims (10)
- The energy-conserving and environment-protective of 1.GDI engine dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 2. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 3. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 4. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 5. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 6. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 7. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 8. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 9. GDI engine energy-conserving and environment-protective according to claim 1 dewater carbon remover fuel oil additive, it is characterized in that being made up of following weight percent composition:
- 10. according to any one of a claim 1-9, fuel oil adds the preparation method of middle dose, it is characterized in that comprising the following steps: dehydrated alcohol, Sodium dodecylbenzene sulfonate, Sodium Benzoate, N.N-double hydroxyethyl alkylamide, AEO-6 are joined in container, stir at normal temperatures and pressures, slowly solketal is added in whipping process, after the whole stirring and dissolving of material is even, leave standstill observe and sample detection qualified after, packing.
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| CN201410153334.2A CN103897756B (en) | 2014-04-16 | 2014-04-16 | GDI engine energy-conserving and environment-protective dewater carbon remover fuel oil additive and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241617A (en) * | 1999-03-04 | 2000-01-19 | 高同柱 | Preparation of efficient multifunctional gasoline additive |
| CN101962584A (en) * | 2010-08-30 | 2011-02-02 | 深圳市超美化工科技有限公司 | Gasoline detergent with cleaning function and preparation method thereof |
| CN102666813A (en) * | 2009-12-21 | 2012-09-12 | Bp北美公司 | Composition and method for reducing friction in internal combustion engines |
| CN103571549A (en) * | 2012-07-30 | 2014-02-12 | 比亚迪股份有限公司 | Gasoline detergent, preparation method and applications thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7491248B2 (en) * | 2003-09-25 | 2009-02-17 | Afton Chemical Corporation | Fuels compositions and methods for using same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241617A (en) * | 1999-03-04 | 2000-01-19 | 高同柱 | Preparation of efficient multifunctional gasoline additive |
| CN102666813A (en) * | 2009-12-21 | 2012-09-12 | Bp北美公司 | Composition and method for reducing friction in internal combustion engines |
| CN101962584A (en) * | 2010-08-30 | 2011-02-02 | 深圳市超美化工科技有限公司 | Gasoline detergent with cleaning function and preparation method thereof |
| CN103571549A (en) * | 2012-07-30 | 2014-02-12 | 比亚迪股份有限公司 | Gasoline detergent, preparation method and applications thereof |
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Inventor after: Liu Chiwei Inventor after: Zhan Wuzhou Inventor after: Qiu Xiaoming Inventor after: Zhan Aiping Inventor before: Liu Chiwei Inventor before: Zhan Wuzhou Inventor before: Qiu Xiaoming |
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Effective date of registration: 20160405 Address after: 510335, room 5, 1507 South five road, Haizhuqu District, Guangdong, Guangzhou, China Patentee after: Guangzhou Jinwu Enterprise Management Services Limited Address before: 528400 No. 25, Pok Oi seven, Zhongshan, Guangdong Patentee before: Zhongshan Polytechnic |
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Granted publication date: 20151028 Termination date: 20200416 |