CN103666604B - Methanol gasoline stabilizer - Google Patents
Methanol gasoline stabilizer Download PDFInfo
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- CN103666604B CN103666604B CN201310711217.9A CN201310711217A CN103666604B CN 103666604 B CN103666604 B CN 103666604B CN 201310711217 A CN201310711217 A CN 201310711217A CN 103666604 B CN103666604 B CN 103666604B
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Abstract
The invention discloses a methanol gasoline stabilizer. The methanol gasoline stabilizer is formed by mixing the following components in percentage by mass: 18.0 to 31.0 percent of 2-octylame, 15.0 to 29.5 percent of N-tert-butyl-piperazine, 15.0 to 24.5 percent of 4-N-butoxy-benzonitrile, 13.0 to 24.0 percent of allyl phenoxyacetate, 10.0 to 20.5 percent of 1,3-acetone dicarboxylate, and 9.0 to 19.5 percent of 3-dimethyl aminoanisole. Before methanol gasoline is prepared, first, 0.4 to 0.8 mass percent of the stabilizer disclosed by the invention is added to the methanol, and the methanol and the stabilizer are mixed uniformly, and then, performing subsequent processes of preparing the methanol gasoline after ultrasonic treatment is performed at a normal temperature. The improvement effect of the storage stability of the methanol gasoline using the methanol gasoline stabilizer disclosed by the invention is remarkable; the anti-water separation performance is improved obviously; through engine stand and actual road driving tests, the gasoline consumption, the output power, the tail gas emission and the like of the methanol gasoline are equivalent to those of the methanol gasoline with the same grade.
Description
Technical field
The invention belongs to methyl alcohol and substitute vehicle fuel technical field, relate to methanol gasoline additive, particularly relating to a kind of additive for improving methanol gasoline stability.
Background technology
Along with world petroleum resource, shortage and topsoil are day by day serious increasingly, and energy dilemma has become the bottleneck of Economic development, and new fuel substitute causes each side to pay close attention to.The dependence on foreign countries for oil of China is more than 53%, and the energy and environmental problem govern the fast development of China's economy.China belongs to oil-poor weak breath but the country of relative rich coal, feasible with coal methanol Substitute For Partial oil, utilizes methyl alcohol to be the effective way of protection of the environment, reasonable energy utilization as the fuel substitute of oil engine.Can Strategic Policy be replaced according to the energy that National Development and Reform Committee promulgates, and the formulation successively of methanol gasoline standard, methanol gasoline is legalized further, impels people to start to test the various additives of alcohol gasoline.Methanol gasoline low temperature or ambient moisture larger time the phenomenon of phase separation that exists directly affect the production of methanol gasoline, storage and use, wherein, low temperature resisting phase separation performance is more easily improved, but meet water resisting phase separation performance to need to improve further, at present, the chance water resisting phase separation performance that one of principal element that methanol gasoline applies is exactly methanol gasoline is affected.By additive effectively improve the stability of methanol gasoline significant, implement convenient.
At present, many research work have been carried out around the chance water resisting phase separation performance improving methanol gasoline.200910164611.9 disclose a kind of methanol gasoline water soluble agent, are made up by weight percentage of 54.7% ~ 62.5% partly-hydrolysed ammonium soaps and 37.5% ~ 45.3% fatty alcohol.Wherein partly-hydrolysed ammonium soaps does not have commercially available prod, is to carry out by vegetable and animals oils, waste oil or organic acid and organic amine or Inorganic Ammonium the incomplete saponification resultant lipid acid ammonium that partly-hydrolysed reaction generates; 200810069817.9 disclose a kind of aqueous methanol gasoline and preparation method thereof, industrial methanol water content 2 ~ 5% used, add-on 14.5% ~ 48%, and methyl alcohol before addition will through modification; 201010260367.9 disclose a kind of polyetheramine and production method thereof and the application in methanol gasoline, use the polyetheramine prepared by hexylamine and ethyleneoxide addition as methanol gasoline additive, share with the one in butanols or octanol, the methanol gasoline water resistant ability obtained reaches 1% ~ 2%; 201010242644.3 disclose a kind of methanol gasoline; the dimethylbenzene of some amount is added in its additive; the membership that adds of dimethylbenzene obviously increases toxic substance discharge in tail gas; be unfavorable for that environment protection and people's is healthy; low temperature resisting phase separation performance and the chance water resisting phase separation performance test condition of methanol gasoline are respectively-20 DEG C, 4h and 0.15%, the 4h that adds water; this condition is gentleer, has difference with the actual storage condition of methanol gasoline.
Summary of the invention
The object of this invention is to provide a kind of Methanol gasoline stabilizer, to significantly improve the water resistant stability of methanol gasoline.
Methanol gasoline stabilizer of the present invention is made up of the component of following mass percent: 2-octylame 18.0 ~ 31.0%, N-t-butylpiperazine 15.0 ~ 29.5%, 4-N-butyl phenyl ether formonitrile HCN 15.0 ~ 24.5%, allyl phenoxyacetate 13.0 ~ 24.0%, 1,3-β-ketoglutaric acid diethyl ester 10.0 ~ 20.5%, 3-dimethylamino methyl-phenoxide 9.0 ~ 19.5%.
The preparation method of described Methanol gasoline stabilizer is by the 2-octylame of described mass percent, N-t-butylpiperazine, 4-N-butyl phenyl ether formonitrile HCN, allyl phenoxyacetate, 1,3-β-ketoglutaric acid diethyl ester and 3-dimethylamino methyl-phenoxide join in stirring tank, stir under normal temperature, transparent, limpid Methanol gasoline stabilizer finished product can be obtained.
The using method of Methanol gasoline stabilizer of the present invention be first by described Methanol gasoline stabilizer with 0.4 ~ 0.8% mass ratio add in methyl alcohol, after ultrasonication mixes, then modulate denatured alcohol and methanol gasoline.
Preferably, described supersound process is the ultrasonic echography process 20 minutes with power 180W.
The modulator approach of methanol gasoline is all first methyl alcohol is mixed obtained denatured alcohol with additive in the market, and then mixes the methanol gasoline of the obtained various trade mark in proportion with gasoline with denatured alcohol.The present invention increases a step first mixed with stablizer by methyl alcohol through special ultrasonic process before the flow process of traditional modulation methanol gasoline, enters the preparation section of denatured alcohol containing stablizer and through the methyl alcohol of supersound process again.
By adding stablizer and in methyl alcohol after the process of special ultrasonic ripple, the methanol gasoline of modulation is met water resisting phase separation performance and is greatly improved, and adapts to the prolonged storage of methanol gasoline under low temperature and high relative humidity environment, solves the restraining factors of methanol gasoline industrialized implementation.
The each trade mark methanol gasoline adding stablizer of the present invention meets GB/T 23799-2009 " Vehicular methanol petrol (M85) " and Shanxi Province provincial standard DB14/T 92-2010 " M5, M15 Vehicular methanol petrol ", DB14/T 614-2011 " M30 methanol gasoline " index request.
Select 9 kinds of gasoline of different sources in all parts of the country, stablizer of the present invention is used to modulate 36 methanol gasoline samples, with reference to Shanxi Province provincial standard DB14/T 92-2010 " M5, M15 Vehicular methanol petrol " test, it is met water resisting phase separation performance and greatly improves, average water capacity improves 75.6%, simulate 95% humidity environment, the uncovered storage-stable phase extends 92 days.
Through engine rig test and 8 kinds of vehicles, 50,000 kilometers of real road road tests, oil consumption, output rating, exhaust emissions etc. are suitable with same trade mark methanol gasoline, and pollutant emission is better than state IV standard.
Methanol gasoline stabilizer of the present invention is nontoxic, pollution-free, addition suitable, and methanol gasoline is met water resisting phase separation performance and greatly improved, and stablizer, not containing the metal such as manganese, iron and benzene class objectionable impurities composition, is avoided producing secondary pollution to environment.
Methanol gasoline stabilizer formula of the present invention is simple, and raw material is easily purchased, and cost is suitable, for the extensive industrialized implementation of methanol gasoline has cleared away obstruction, has promotional value widely.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but is not limited to limitation of the invention.
Embodiment 1
According to mass percent 2-octylame 18.0%, N-t-butylpiperazine 19.0%, 4-N-butyl phenyl ether formonitrile HCN 19.0%, allyl phenoxyacetate 16.0%, 1,3-β-ketoglutaric acid diethyl ester 14.5%, 3-dimethylamino methyl-phenoxide 13.5%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
In methyl alcohol, add 0.4% stablizer, mix, with the BMT-180 ultrasonic apparatus process 20 minutes of U.S. BRANSON under normal temperature, then add other additives and gasoline, obtained methanol gasoline.
Choose oil based on commercially available five kinds of GB gasoline, modulate 5 methanol gasoline samples as blank group.Prepare 5 methanol gasoline experimental samples containing stablizer according to the present embodiment method, carry out water resisting property test.
Test method meets water resisting phase separation performance with reference to Shanxi Province provincial standard DB14/T 92-2010 " M5, M15 Vehicular methanol petrol ", DB14/T 614-2011 " M30 methanol gasoline ".Materials each 200mL, is placed in 2 250mL tool plug graduated cylinders respectively, adds a certain amount of distilled water and to vibrate about 2min, under room temperature vertical place 4h after observe, progressively strengthening distilled water add-on, until sample occurs muddy, is the maximum moisture capacity at this temperature.The results are shown in Table 1.
Table 1 maximum moisture capacity test-results.
Embodiment 2
According to mass percent 2-octylame 18.0%, N-t-butylpiperazine 15.0%, 4-N-butyl phenyl ether formonitrile HCN 20.0%, allyl phenoxyacetate 17.5%, 1,3-β-ketoglutaric acid diethyl ester 15.0%, 3-dimethylamino methyl-phenoxide 14.5%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
Test method is with embodiment 1.Experimental result is as table 2.
Table 2 maximum moisture capacity test-results.
Embodiment 3
According to mass percent 2-octylame 25.0%, N-t-butylpiperazine 16.0%, 4-N-butyl phenyl ether formonitrile HCN 15.0%, allyl phenoxyacetate 16.0%, 1,3-β-ketoglutaric acid diethyl ester 12.0%, 3-dimethylamino methyl-phenoxide 16.0%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
Test method is with embodiment 1.Experimental result is as table 3.
Table 3 maximum moisture capacity test-results.
Embodiment 4
According to mass percent 2-octylame 31.0%, N-t-butylpiperazine 19.0%, 4-N-butyl phenyl ether formonitrile HCN 17.0%, allyl phenoxyacetate 13.0%, 1,3-β-ketoglutaric acid diethyl ester 11.0%, 3-dimethylamino methyl-phenoxide 9.0%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
Test method is with embodiment 1.Experimental result is as table 4.
Table 4 maximum moisture capacity test-results.
Embodiment 5
According to mass percent 2-octylame 22.0%, N-t-butylpiperazine 20.0%, 4-N-butyl phenyl ether formonitrile HCN 16.0%, allyl phenoxyacetate 13.0%, 1,3-β-ketoglutaric acid diethyl ester 19.0%, 3-dimethylamino methyl-phenoxide 10.0%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
Test method is with embodiment 1.Experimental result is as table 5.
Table 5 maximum moisture capacity test-results.
Embodiment 6
According to mass percent 2-octylame 20.0%, N-t-butylpiperazine 21.0%, 4-N-butyl phenyl ether formonitrile HCN 17.0%, allyl phenoxyacetate 13.0%, 1,3-β-ketoglutaric acid diethyl ester 17.0%, 3-dimethylamino methyl-phenoxide 12.0%, each component is joined in stirring tank, after stirring under normal temperature, obtain transparent, limpid Methanol gasoline stabilizer finished product.
Test method is with embodiment 1.Experimental result is as table 6.
Table 6 maximum moisture capacity test-results.
Claims (3)
1. a Methanol gasoline stabilizer, it is characterized in that being made up of the component of following mass percent: 2-octylame 18.0 ~ 31.0%, N-t-butylpiperazine 15.0 ~ 29.5%, 4-N-butyl phenyl ether formonitrile HCN 15.0 ~ 24.5%, allyl phenoxyacetate 13.0 ~ 24.0%, 1,3-β-ketoglutaric acid diethyl ester 10.0 ~ 20.5%, 3-dimethylamino methyl-phenoxide 9.0 ~ 19.5%.
2. the using method of claim 1 Methanol gasoline stabilizer, it is characterized in that by described Methanol gasoline stabilizer with 0.4 ~ 0.8% mass ratio add in methyl alcohol, after ultrasonication mixes, then modulate denatured alcohol and methanol gasoline.
3. using method according to claim 2, is characterized in that described supersound process is the ultrasonic echography process 20 minutes with power 180W.
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| CN1730624A (en) * | 2005-07-29 | 2006-02-08 | 陕西师范大学 | Emulsion stabilizer for methanol gasoline |
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Effective date of registration: 20160705 Address after: 030006, Wharton building, 88 development road, 12 hi tech Development Zone, Shanxi, Taiyuan Patentee after: Shanxi alcohol ether cleaning fuel industry technology center (Co., Ltd.) Address before: 030006 Shanxi city of Taiyuan province Jinyang street saiding road high tech Zone Wharton building Patentee before: Shanxi Huadun Industry Co., Ltd. |
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Effective date of registration: 20190717 Address after: Room 410, Office Building, Venous Industry Park, Zhenjiang New District, Jiangsu Province Patentee after: CRPC Innovation Energy Co., Ltd. Address before: 030006, Wharton building, 88 development road, 12 hi tech Development Zone, Shanxi, Taiyuan Patentee before: Shanxi alcohol ether cleaning fuel industry technology center (Co., Ltd.) |