CN1081224C - Multi-effect composite additive for gasoline/diesel oil and its preparation method - Google Patents

Multi-effect composite additive for gasoline/diesel oil and its preparation method Download PDF

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CN1081224C
CN1081224C CN99100612A CN99100612A CN1081224C CN 1081224 C CN1081224 C CN 1081224C CN 99100612 A CN99100612 A CN 99100612A CN 99100612 A CN99100612 A CN 99100612A CN 1081224 C CN1081224 C CN 1081224C
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composite additive
agent
gasoline
oil
diesel oil
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CN1263144A (en
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李明生
韩锡安
王良驹
王浩明
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BEIJING AIMU SCIENCE TECHNOLOGY DEVELOPMENT Co Ltd
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BEIJING AIMU SCIENCE TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The present invention relates to a multiple-effect compound additive for gasoline or diesel oil and a preparation method thereof, and is characterized in that a desired product is obtained by simply mixing an appropriate cleaning agent, a dispersing agent, an antioxidant, an anticorrosive additive, a lubricating agent, a carrying agent and a base liquid according to a definite proportion. The compound additive with definite fuel-saving effect has the advantages that service performance of gasoline or diesel oil is greatly enhanced by adding 300 to 1500 ppm of the compound additive of the present invention to the gasoline or the diesel oil, the driving performance and speed-accelerating performance of an automobile are enhanced, the fuel oil system has a favorable running state, and the discharge amount of harmful substances in tail gas is reduced.

Description

A kind of gasoline/multi-effect diesel compound additives and preparation method thereof
The present invention relates to the additive that motor spirit is used, a kind of gasoline/multi-effect diesel compound additives and preparation method thereof of more specifically saying so.
In the petroleum refining industry, catalytic cracking is to produce stop bracket gasoline, the technological process of the most important heavy oil lighting of diesel oil and liquefied gas, but the vapour that catalytic cracking is produced, contain more unsaturated hydro carbons and sulphur in the bavin, nitrogen compound, store with use in easily contact and oxidized generation colloid with air, in combustion processes at the carburettor of engine, the EFI mouth, intake valve and combustion chamber easily generate carbon deposit and settling, thereby cause that fuel feeding is not smooth, the air-fuel ratio imbalance, incomplete combustion, not only waste fuel, reduce motor efficiency, and the objectionable impurities carbon monoxide of motor vehicle exhaust and the increase of carbon gasification compound, cause air environmental pollution serious, human health is caused very big harm.
For addressing the above problem two kinds of methods of common employing: a kind of is further refining as hydrogenation, solvent extraction, chemical refining etc.; Another kind method is to add multi-effect composite additive in vapour, diesel oil, and these two kinds of methods all can obtain good effect.1986 NPRA (NPRA) above-mentioned two kinds of methods carried out macroeconomic accounting think, adopt process for purification, one ton of diesel oil cost increases by 20.3 dollars, and adopts the method that adds additive only to increase by 0.8 dollar.Clearly, a kind of method in back has very big advantage economically, and can also give vapour, performance that diesel oil itself does not possess such as detergency, oilness, therefore, there are a lot of people to carry out the research and the report of multi-effect composite additive, as the trade names of E.I.Du Pont Company is that the trade mark of DMA-4 and ethyl corporation is Hitec 4220 composite additives (volumes such as Huang Wenxuan, " lubricating oil and fuel dope handbook, Sinopec press, 1994.3. first version, P137), the problem that various composite additive emphasis solve is different, the composite additive that wherein has also contains phosphide such as DMA-4, and the existence of phosphide can cause poisoning of catalyst.
The purpose of this invention is to provide the multi-effect composite additive of multiple performances such as a kind of cleaning that improves gasoline/diesel oil, dispersiveness, antioxygen, sewage, keep good running status to guarantee engine fuel system.
Another object of the present invention provides a kind of preparation method of gasoline/multi-effect diesel compound additives.
Realize purpose main technical schemes of the present invention: with purification agent, dispersion agent, oxidation inhibitor, sanitas and lubricate into carry agent, basal liquid mixes with certain proportion, makes multi-effect composite additive.
The composition of multi-effect composite additive of the present invention and content (is 100 in the composition weight sum):
Purification agent 8~35%, dispersion agent 8~45%, oxidation inhibitor 0.2~1%, sanitas 0.2~1%, lubricated and carry agent 5~15%, surplus is a basal liquid.
Purification agent of the present invention comprises single or many ethylene glycol alkyl oxide (I), list or many ethylene glycol alkyl phenylate (II), and its structural formula is respectively:
R-(C 2H 4O) nH ... (I) R is C in the formula 1~C 18, n=1~10
Figure C9910061200041
R is C in the formula 1~C 16, n=1~10
They are the stronger solvents of a kind of polarity, can make softening, the dissolving of the carbon deposit of fuel system and settling; In addition, because they have resistance to elevated temperatures well, therefore, carbon deposit and settling on carburettor, EFI mouth and the intake valve of motor car engine all there is excellent cleaning effect.
Dispersion agent of the present invention comprises polyisobutene succinimide, and its structural formula is
Figure C9910061200042
R is the polyisobutylene group of molecular weight 900~1300 in the formula, and R ' is the polyisobutylene group of molecular weight 1800~2300.It is a kind of ashless dispersant, by its polar group and oil-soluble group the deposition of carbon thing is scattered in the gasoline, takes away and burns.
Oxidation inhibitor of the present invention comprises 2,6 ditertbutylparacresols, 4,4 ' methylene-bis (2,6 DI-tert-butylphenol compounds), N, N '-di-sec-butyl-p-phenyl enediamine or its mixture, its mainly act on be suppress in the fuel alkene store and use in oxidation generation greasy filth and carbon deposit.
Sanitas of the present invention comprises N, N '-dialkyl amido methylene-benzene triazole, 2,5-two (alkyl dithio) 3,4 thiadiazoles, N, N '-two salicylidene-1,2 propylene diamine, its major function are the corrosion that prevents in use the oil piping system metal parts.
Described lubricated and carry agent and comprise HVI150, HVI500 is at interior mineral oil or comprise the synthetic oil of polyisobutene, its function is to be coated with the very thin oil film of last layer on each parts with oil piping system, play lubrication and carbon deposit is had softening and fluffing action, make it be easy to wash down and be dispersed in the fuel from parts.
Basal liquid of the present invention comprises aromatic solvent, kerosene or its mixture, and described aromatic solvent comprises aromatic solvent No. 190, No. 200.
Recombiner preparation process of the present invention may further comprise the steps: earlier with dispersion agent and basal liquid mixing, obtain the A mixed solution,, obtain the B mixed solution purification agent, oxidation inhibitor, sanitas and lubricated and carry the agent mixing, A, B mixed solution are stirred under 35~50 ℃, promptly obtain finished product after filtering.See Table 1 by method of the present invention and set of dispense than the multi-effect composite additive physical and chemical index that makes.
Multi-effect composite additive of the present invention can be used for doped fuel, white gasoline and diesel oil, and its add-on is 300~1500ppm.
The used various raw materials of the present invention all are the petrochemicals that can buy on the market.
Major advantage of the present invention and effect:
The present invention has multiple function owing to be a kind of multi-effect composite additive, has particularly used good purification agent to make it have very strong high low temperature cleaning performance, still has excellent adaptability under the high temperature of intake valve.Not only cleaning function is strong, and the carbon deposit particulate that washes down is easy to be dispersed in the fuel oil by dispersion agent the unlikely phenomenons such as oil circuit obstruction that cause.
Multi-effect composite additive of the present invention has the function of good maintenance oil piping system cleaning.The automobile of new car and oil piping system cleaning, this product of life-time service can keep the clean and motor car engine good working order of oil piping system.
Multi-effect composite additive of the present invention can wash down by carbon deposit actual service life is long, that oil piping system has generated, carburettor, oil nozzle and intake valve all there are good effect, thereby eliminate not smooth, the bad phenomenon such as burning is bad, oil consumption increase, exhaust emissions deterioration of the oil circuit that causes owing to the oil piping system carbon deposit.
Because the plumbous agent in the doped fuel is a kind of good lubricant, use instead behind the white gasoline and just lost this lubrication source in the gasoline, be added with lubricated in the multi-effect composite additive of the present invention and carry agent, can on each parts of oil piping system, be coated with the very thin oil film of last layer, play lubrication, and the carbon deposits that generates had softening, loose function, and make it to be easy to clean, play rolling action.
Multi-effect composite additive of the present invention contains anti-oxidant and anti-sediment composition, therefore can suppress fuel sedimental generation in storage and use.
Antirust-anticorrosive component that multi-effect composite additive of the present invention also contains can suppress each part of oil piping system and get rusty and corrode, and increases the service life.
In addition; each component that the present invention selects for use has good synergy; after in gasoline/diesel oil, adding recombiner of the present invention; comprehensive use properties is enhanced; the oil piping system that is mainly reflected in automobile is protected cleaning, unimpeded, and cornering ability and speed-raising performance all are significantly improved, and the objectionable impurities CO of vehicle exhaust and hydrocarbon polymer (CH) quantity discharged obviously reduces; reduce the pollution of vehicle exhaust, and also have significantly oil-saving effect air.
Further set forth characteristics of the present invention below by specific examples.
Example 1
With the molecular weight of 40kg is that 900~1300 polyisobutene succinimide and No. 190 aromatic solvents of 30kg, 16.5kg kerosene mix and obtains mixed liquor A; With 4 of 8kg ethylene glycol ethyl ether, 0.3kg, 4 ' methylene-bis (2,6 DI-tert-butylphenol compounds), 2 of 0.2kg, 5-two (alkyl dithio) 3, the neutral lubricating oil mixing of the HVI150 of 4 thiadiazoles and 5kg obtains mixed liquid B, again mixed liquor A and B are stirred under 40 ± 5 ℃, obtain required finished product after filtering.
Example 2~3
Used raw material and consumption see Table 2.Preparation process and condition are with example 1.
Following example 4~10th, the use-testing situation of composite additive of the present invention.
Example 4
This example is the road test that adds the multi-effect composite additive that the example 1 of 500ppm makes in 9 No. 3 white gasolinees.Test is to use on 54846 kilometers the Santana's one carburettor automobile of travelling, drives a vehicle 1800 kilometers, measures the carbon monoxide in the discharging tail gas and the situation of hydrocarbon polymer under the idling condition, the results are shown in Table 3.
Example 5
This example is the road test that adds the multi-effect composite additive that the example 2 of 1000ppm makes in No. 93 gasoline.Test is to use on 120000 kilometers the Santana's one carburettor automobile of travelling, drives a vehicle 1800 kilometers.Test-results sees Table 4.
Example 6
This example is the road test that adds the multi-effect composite additive that the example 3 of 500ppm makes in No. 93 gasoline.Test is to use on 194143 kilometers the Santana's one carburettor automobile of travelling, drives a vehicle 1200 kilometers.Test-results sees Table 5.
Example 7
This example is the road test that adds the multi-effect composite additive that the example 2 of 500ppm makes in No. 93 gasoline.Test is to use on the imperial crown car, drives a vehicle 1210 kilometers, measures hundred kilometers oil consumption, the results are shown in Table 6.
Example 8
Will be by the recombiner of embodiment 2 preparation, be added in No. 0 diesel oil by 1500ppm, use for the Jiefang brand diesel car of long-distance operation, this car is 100000 kilometers of actual service lifes, travel 1500 kilometers after adding agent, and mensuration smoke intensity and oil consumption the results are shown in Table 7.
Example 9
Get two 500 milliliters enamelled cup, 93 gasoline that one of them adds 200 milliliters are numbered 1; Another adds 100 milliliters No. 93 gasoline and 100 milliliters recombiner, numbering 2.Two sparking plug that then top are covered with paint film are put into enamelled cup respectively, and the time is on September 30th, 98.On November 10th, 98 was 50KHZ with operating frequency, and power is the SB2200 ultrasonic cleaner of 80W, cleaned 5 hours, and the gasoline temperature reaches 50 ℃.The situation of two sparking plug of 1 daily inspection in 99 year February.The results are shown in Table 8.
Example 10
Will be by the recombiner of example 3 preparation, be added in No. 93 gasoline with the amount of 1000ppmm, for travelling 130000 kilometers Song Hua River minicar use.This car uses recombiner, in mid-January, 99 to disassemble engine since on September 10th, 98.Check result sees Table 9.
Find out that from the test-results of example 4~10 recombiner of the present invention is used for gasoline and diesel oil can make the engine oil path system keep clean, the harmful substance contents in the tail gas reduces, and it is good that the operating mode of engine is recovered, and have oil-saving effect preferably.
Table 1
Project Physical and chemical index Test method
Apparent density (20 ℃), g/cm 3Copper corrosion (50 ℃, 3h) flash-point (remaining silent), ℃ nitrogen content, % Brown liquid 0.80~0.92 qualified 〉=50>0.3 Range estimation GB/T 1881 GB/T 5096 GB/T 261 coulometries
Table 2
Raw material Example 2 Example 3
1. purification agent: many ethylene glycol alkyl oxide 2. dispersion agents: polyisobutene succinimide molecular weight 900~1300 molecular weight 1800~2,300 3. oxidation inhibitor: (a) 2,6 ditertbutylparacresols (b) 4,4 ' methylene-bis (2,6 DI-tert-butylphenol compounds) 4. sanitas: (a) N, N '-dialkyl amido methylene-benzene triazole (b) 2,5-two (alkyl dithio) 3,4 thiadiazoles 5. Dormant oils: HVI150 HVI500 6. basal liquids: No. 190 aromatic solvents 20kg 15kg 10kg 0.3kg 0.2kg 0.3kg 10kg 44.2kg 35kg 10kg 0.4kg 0.4kg 0.4kg 0.6kg 15kg 38.2kg
Table 3
Project Co quantity discharged in the tail gas, % CH quantity discharged in the tail gas, %
High idle speed Low idling High idle speed Low idling
Travelled 54846 kilometers, do not added recombiner and add objectionable impurities reduction amount in the 1800 kilometers tail gas that travel behind the recombiner, % 4.0 3.5 12.5 7.5 2.5 66.7 450 400 11 500 400 20
Driver's suggestion Cornering ability is good with the speed-raising performance after adding recombiner, and oil circuit is unimpeded, and speed-raising is fast.
Table 4
Project Co quantity discharged in the tail gas, % HC quantity discharged in the tail gas, %
High idle speed Low idling High idle speed Low idling
Travelled 120000 kilometers, do not added recombiner and add objectionable impurities reduction amount in the 1800 kilometers tail gas that travel behind the recombiner, % 6 3.5 41.67 9 6.3 30 500 400 20 900 600 33.33
Driver's suggestion Cornering ability is good with the speed-raising performance after adding recombiner, and oil circuit is unimpeded, and certain oil-saving effect is arranged
Table 5
Project Co quantity discharged in the tail gas, % HC quantity discharged in the tail gas, %
High idle speed Low idling High idle speed Low idling
Travelled 194143 kilometers, do not added recombiner and add objectionable impurities reduction amount in the 1200 kilometers tail gas that travel behind the recombiner, % 5.7 3.4 40.35 7.0 3.5 50 400 300 25 600 400 33
Driver's suggestion Cornering ability is good with the speed-raising performance after adding recombiner, and oil circuit is unimpeded
Table 6
Do not add recombiner Add recombiner Rate of economizing gasoline, %
Volume read-out Actual service life Volume read-out (three times) Actual service life
57 liters 317 kilometers 179 liters 1210 kilometers 17.74
Oil consumption: 17.98 liters/hundred kilometers Oil consumption: 14.79 liters/hundred kilometers
Table 7
Smoke intensity value FSN Fuel oil consumption
Add the preceding smoke intensity value of agent Add after the agent smoke intensity value after 1500 kilometers of the drivings Smoke intensity value reduced rate % Add oil consumption liter before the agent/100 kilometers Add travel behind 300km oil consumption liter/100 kilometer of agent Oil-saving effect, %
6.5 3.5 46 33 28 15
Driver's suggestion: it is not handy to add the agent front truck, and oil circuit is obstructed, and dynamic property is poor.Add after the agent 300 kilometers of drivings, oil circuit lead to, and smoke intensity obviously descends, and with 3 grades, it is also passable to add 4 grades of the extensions of climbing after the agent when adding before the agent climbing.
Table 8
Title Check result
No. 1 (adding agent) Spark plug tip is covered with paint film before the test, and the paint film top layer is loose, and bottom is hard.Daily inspection in February 1 in 99 year, the loose part of coating surface is all eliminated, and have an appointment 75% pull-away of the hard part of bottom spills the copper surface.
2 with (not adding agent) Spark plug tip is covered with paint film before the test, and coating surface is loose, and bottom is hard.Daily inspection in February 1 in 99 year, the loose part of coating surface is all removed, and the hard part of bottom is still as before.
Table 9
Before adding agent After adding agent
1, sound is arranged during running of an engine, speed-raising is slow, and dynamic property is poor.2, carburettor, oil piping systems such as intake valve are dirty, and the knot charcoal is many, and it is bad to burn. 1, running of an engine is steady, and energetically, speed-raising is fast, has good burning performance; 2, have 4 intake valves, wherein 2 clean, one is cleaner.Another surface clean of 90%, 10% lip-deep thick knot charcoal is still arranged not removing, analysis may be that this part paint film is too hard, also needs the regular hour just can wash.

Claims (9)

1, a kind of gasoline/multi-effect diesel compound additives, the composition and the content (is 100 in the composition weight sum) that it is characterized in that this composite additive: purification agent 8~35%, dispersion agent 8~45%, oxidation inhibitor 0.2~1%, sanitas 0.2~1%, lubricated and carry agent 5~15%, surplus is a basal liquid.
2,, it is characterized in that described purification agent is many ethylene glycol alkyl oxide or ethylene glycol ethyl ether according to the described multi-effect composite additive of claim 1.
3, according to the described composite additive of claim 1, it is characterized in that described dispersion agent is a polyisobutene succinimide, its structural formula is: R is polyisobutylene group or the polyisobutylene group of molecular weight 1800~2300 or the mixture of the two of molecular weight 900~1300 in the formula.
4,, it is characterized in that described oxidation inhibitor is 2,6 ditertbutylparacresols, 4,4 ' methylene-bis (2,6 DI-tert-butylphenol compounds), N, N '-di-sec-butyl-p-phenyl enediamine or its mixture according to the described composite additive of claim 1.
5,, it is characterized in that described sanitas is N, N '-dialkyl amido methylene-benzene triazole, 2,5-two (alkyl dithio) 3,4 thiadiazoles or N, N '-two salicylidene-1,2 propylene diamine according to the described composite additive of claim 1.
6, according to the described composite additive of claim 1, it is characterized in that described lubricatedly and to carry agent be mineral oil or synthetic oil, described mineral oil is HVI150 or HVI500, described synthetic oil is a polyisobutene.
7, according to the described composite additive of claim 1, it is characterized in that described basal liquid is aromatic solvent, kerosene or its mixture, described aromatic solvent is No. 190 or No. 200 aromatic solvents.
8, the preparation method of the described composite additive of claim 1, it is characterized in that preparation process comprises: with dispersion agent and basal liquid mixing, obtain the A mixed solution, purification agent, oxidation inhibitor, sanitas, lubricated and carry the agent mixing, obtain the B mixed solution, A, B mixed solution are stirred under 35~50 ℃, promptly obtain finished product after filtering.
9, the application of the described composite additive of claim 1 is characterized in that being applied to gasoline and diesel oil fuel, and add-on is 300~1500ppm.
CN99100612A 1999-02-09 1999-02-09 Multi-effect composite additive for gasoline/diesel oil and its preparation method Expired - Fee Related CN1081224C (en)

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CN102295766B (en) * 2011-06-07 2012-10-03 山东源根石油化工有限公司 Polyether polyamine compound and synthesis method thereof as well as maintenance product for diesel motor fuel system
CN102533361B (en) * 2011-12-28 2014-05-07 临沂实能德环保燃料化工有限责任公司 Diesel oil stabilizer and preparation method thereof
CN102559304A (en) * 2011-12-31 2012-07-11 临沂实能德环保燃料化工有限责任公司 Multifunctional bio-diesel composite additive for vehicles and preparation method thereof
CN102977942B (en) * 2012-12-21 2014-09-10 中国人民解放军空军油料研究所 Deicing composition for military jet fuel
CN103396849B (en) * 2013-07-04 2015-02-25 山东国弘能源科技有限公司 Energy-saving environment-friendly maintenance gasoline additive
CN104152189A (en) * 2014-06-27 2014-11-19 南京胜昔实业有限公司 Novel environment-friendly clean methanol diesel oil capable of substituting fuel and preparation method of novel environment-friendly clean methanol diesel oil
CN105462635B (en) * 2016-01-06 2017-11-28 山东泰德新能源有限公司 A kind of compound additive suitable for ethanol petrol
CN106010694B (en) * 2016-06-01 2018-03-30 倪江波 A kind of fuel economizing environmental-protection additive
CN106118762A (en) * 2016-07-01 2016-11-16 盛世昆仲(北京)科技发展有限公司 A kind of composite gasoline additive and preparation method
CN106118763B (en) * 2016-07-01 2018-07-13 盛世昆仲(北京)科技发展有限公司 A kind of composite diesel additive and preparation method
CN109593574A (en) * 2018-12-20 2019-04-09 李嘉琪 A kind of petrol power elevator and preparation method thereof

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN1108683A (en) * 1994-11-01 1995-09-20 中国石化销售公司 Compound additive for gasoline
CN1167136A (en) * 1997-03-13 1997-12-10 陈祥科 Multi-function gasoline additives composition

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN1108683A (en) * 1994-11-01 1995-09-20 中国石化销售公司 Compound additive for gasoline
CN1167136A (en) * 1997-03-13 1997-12-10 陈祥科 Multi-function gasoline additives composition

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