CN108003945A - A kind of methanol gasoline and preparation method thereof - Google Patents
A kind of methanol gasoline and preparation method thereof Download PDFInfo
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- CN108003945A CN108003945A CN201711382085.4A CN201711382085A CN108003945A CN 108003945 A CN108003945 A CN 108003945A CN 201711382085 A CN201711382085 A CN 201711382085A CN 108003945 A CN108003945 A CN 108003945A
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Abstract
The invention discloses a kind of modified methanol gasoline and preparation method thereof, belongs to gasoline field.This method comprises the following steps：（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene ether, synthetic mixture one are sequentially added after mixing；（2）Modified methanol is added in gasoline, miscible resulting mixture two；（3）After mixture one and mixture two are mixed, stir evenly；（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer, is stirred evenly；（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 24~30 is small, obtains modified methanol gasoline.Energy room temperature storage of the invention reaches more than 16 months.
Description
Technical field
The invention belongs to gasoline field, more particularly to a kind of modified methanol gasoline and preparation method thereof.
Background technology
Methanol gasoline refers to national standard gasoline and methanol and additive by certain volume（Quality）Ratio passes through stringent stream
A kind of novel environment friendly fuel that journey allotment forms, is automobile fuel substitute, it is the important component of new energy.Crude oil
It is the most important primary energy in the whole world, the essence of current energy shortage is crude oil shortage.Vehicle fuel, which is that crude oil is most important, answers
With field, more than the 70% of global crude oil total flow is accounted for.Methanol gasoline is a kind of " with coal for replacing oil " path, can be used as gasoline
Substitute so as to fulfill to the part of crude oil substitute.
The Chinese patent application of Application No. 201710337368.0 discloses a kind of methanol gasoline, by following quality percentage
The composition of ratio is made：It is methanol 60-70%, aromatic hydrocarbons 6-7%, naphtha 40-46%, sodium hydroxide 0.004-0.0043%, anticorrosive
Agent 0.3-0.33%, antioxidant 0.2-0.23%, lubricant 0.5-0.53%, stabilizer 2-2.2%.The present invention has following
Beneficial effect：(1) for additive using clean raw material are discharged after abundance, performance stabilization, burning, the technique that reconciles is simple
It is single, low production cost, production process three-waste free discharge；(2) can effectively environmental protection, reduce fuel cost, save oil
Resource；(3) present invention has preferable protective effect to the dynamical system and oil supply system of vehicle, after actual test is examined its
Power performance, lubricity, anticorrosive, anti-oxidant, low-temperature ignition, oil consumption etc. are better than 5 normal benzine of 92# states.The invention
Vehicular methanol petrol fuel composition is simple, and raw material sources are extensive, and production cost is low, has good burning performance；Storage time is grown, and regardless of
Layer, never degenerates；It is worth largely producing and promoting the use of.But the octane number of the gasoline is relatively low.
The content of the invention
The present invention is in order to solve the problems, such as that prior art octane number is low and the resting period is short, there is provided a kind of modified methanol vapour
Oil and preparation method thereof, using modified methanol technology, improves octane number and resting period.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
Modified methanol gasoline, includes the raw material of following parts by weight meter：40~50 parts of n-butanol, 20~30 parts of isopropanol, dimethylbenzene
40~60 parts, 40~50 parts of diisopropyl ether, 10~20 parts of coconut oil polyoxyethylene ether, 30~80 parts of modified methanol, gasoline 100~
120 parts, 5~10 parts of iron naphthenate, 1~8 part of dibutyl phthalate, 20~22 parts of potassium dihydrogen phosphate.
Preferably, modified methanol gasoline, include the raw material of following parts by weight meter：45 parts of n-butanol, 25 parts of isopropanol, two
50 parts of toluene, 45 parts of diisopropyl ether, 15 parts of coconut oil polyoxyethylene ether, 50 parts of modified methanol, 110 parts of gasoline, iron naphthenate 8
Part, 6 parts of dibutyl phthalate, 21 parts of potassium dihydrogen phosphate.
Preferably, modified methanol gasoline, include the raw material of following parts by weight meter：40 parts of n-butanol, 20 parts of isopropanol, two
40 parts of toluene, 40 parts of diisopropyl ether, 10 parts of coconut oil polyoxyethylene ether, 30 parts of modified methanol, 100 parts of gasoline, iron naphthenate 5
Part, 1 part of dibutyl phthalate, 20 parts of potassium dihydrogen phosphate.
Preferably, modified methanol gasoline, include the raw material of following parts by weight meter：50 parts of n-butanol, 30 parts of isopropanol, two
60 parts of toluene, 50 parts of diisopropyl ether, 20 parts of coconut oil polyoxyethylene ether, 80 parts of modified methanol, 120 parts of gasoline, iron naphthenate 10
Part, 8 parts of dibutyl phthalate, 22 parts of potassium dihydrogen phosphate.
Preferably, modified methanol gasoline, include the raw material of following parts by weight meter：42 parts of n-butanol, 22 parts of isopropanol, two
48 parts of toluene, 48 parts of diisopropyl ether, 18 parts of coconut oil polyoxyethylene ether, 55 parts of modified methanol, 112 parts of gasoline, iron naphthenate 9
Part, 3 parts of dibutyl phthalate, 21 parts of potassium dihydrogen phosphate.
Preferably, gasoline is 97# gasoline and lightweight oil mixture.
Preferably, the light oil that 97# gasoline and volume fraction that it is 87% that the gasoline, which is volume fraction, are 13% is mixed
Compound.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 24~30 is small, obtains modified methanol gasoline.
Preferably, modified methanol preparation method is as follows：Methanol is put into steam generator and forms steam, is by temperature
372 DEG C of heating furnace, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene of N, N ,-two the third two
Amine, is mixed 1~2h, you can.
Preferably, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:17:
1。
Preferably, the mixing speed of shear mixer is 1200~2000r/min, mixing time is 30~40min.
The invention has the advantages that：The addition of coconut oil polyoxyethylene ether expands hydrotropy amount and octane number；Change
Property methanol reduce the free energy of methanol and gasoline two-phase interface, the two is mixed well, it is not stratified, do not emulsify, prevent at the same time
Only oil oxidation goes bad, and strengthens stability, and room temperature storage reaches more than 16 months.
Embodiment
The present invention is further described in detail with reference to specific embodiment.
Embodiment 1
Modified methanol gasoline, includes the raw material of following parts by weight meter：It is 45 parts of n-butanol, 25 parts of isopropanol, 50 parts of dimethylbenzene, two different
45 parts of propyl ether, 15 parts of coconut oil polyoxyethylene ether, 50 parts of modified methanol, 110 parts of gasoline, 8 parts of iron naphthenate, phthalic acid two
6 parts of butyl ester, 21 parts of potassium dihydrogen phosphate.
The gasoline is the mixture of the 97# gasoline that volume fraction is 87% and the light oil that volume fraction is 13%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 1300r/min, mixing time 35min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 25 is small, obtains modified methanol gasoline.
Modified methanol preparation method is as follows：By methanol be put into steam generator formed steam, by temperature be 372 DEG C plus
Hot stove, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene propane diamine of N, N ,-two, mixing is stirred
Mix 1~2h, you can.Wherein, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:
17:1。
Embodiment 2
Modified methanol gasoline, includes the raw material of following parts by weight meter：It is 40 parts of n-butanol, 20 parts of isopropanol, 40 parts of dimethylbenzene, two different
40 parts of propyl ether, 10 parts of coconut oil polyoxyethylene ether, 30 parts of modified methanol, 100 parts of gasoline, 5 parts of iron naphthenate, phthalic acid two
1 part of butyl ester, 20 parts of potassium dihydrogen phosphate.
The gasoline is the mixture of the 97# gasoline that volume fraction is 88% and the light oil that volume fraction is 12%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 2000r/min, mixing time 40min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 24 is small, obtains modified methanol gasoline.
Modified methanol preparation method is as follows：By methanol be put into steam generator formed steam, by temperature be 372 DEG C plus
Hot stove, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene propane diamine of N, N ,-two, mixing is stirred
Mix 1~2h, you can.Wherein, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:
17:1。
Embodiment 3
Modified methanol gasoline, includes the raw material of following parts by weight meter：It is 50 parts of n-butanol, 30 parts of isopropanol, 60 parts of dimethylbenzene, two different
50 parts of propyl ether, 20 parts of coconut oil polyoxyethylene ether, 80 parts of modified methanol, 120 parts of gasoline, 10 parts of iron naphthenate, phthalic acid
8 parts of dibutyl ester, 22 parts of potassium dihydrogen phosphate.
The gasoline is the mixture of the 97# gasoline that volume fraction is 86% and the light oil that volume fraction is 14%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 1200r/min, mixing time 30min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 30 is small, obtains modified methanol gasoline.
Modified methanol preparation method is as follows：By methanol be put into steam generator formed steam, by temperature be 372 DEG C plus
Hot stove, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene propane diamine of N, N ,-two, mixing is stirred
Mix 1~2h, you can.Wherein, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:
17:1。
Embodiment 4
Modified methanol gasoline, includes the raw material of following parts by weight meter：It is 42 parts of n-butanol, 22 parts of isopropanol, 48 parts of dimethylbenzene, two different
48 parts of propyl ether, 18 parts of coconut oil polyoxyethylene ether, 55 parts of modified methanol, 112 parts of gasoline, 9 parts of iron naphthenate, phthalic acid two
3 parts of butyl ester, 21 parts of potassium dihydrogen phosphate.
The gasoline is the mixture of the 97# gasoline that volume fraction is 85% and the light oil that volume fraction is 15%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 1800r/min, mixing time 32min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 28 is small, obtains modified methanol gasoline.
Modified methanol preparation method is as follows：By methanol be put into steam generator formed steam, by temperature be 372 DEG C plus
Hot stove, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene propane diamine of N, N ,-two, mixing is stirred
Mix 1~2h, you can.Wherein, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:
17:1。
Reference examples 1
With embodiment 1 difference lies in：It is not added with coconut oil polyoxyethylene ether.
Modified methanol gasoline, includes the raw material of following parts by weight meter：45 parts of n-butanol, 25 parts of isopropanol, 50 parts of dimethylbenzene,
45 parts of diisopropyl ether, 50 parts of modified methanol, 110 parts of gasoline, 8 parts of iron naphthenate, 6 parts of dibutyl phthalate, biphosphate
21 parts of potassium.
The gasoline is the mixture of the 97# gasoline that volume fraction is 87% and the light oil that volume fraction is 13%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether, synthetic mixture one are added after mixing；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 1300r/min, mixing time 35min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 25 is small, obtains modified methanol gasoline.
Modified methanol preparation method is as follows：By methanol be put into steam generator formed steam, by temperature be 372 DEG C plus
Hot stove, carries out full gear reaction；Add nano silicon dioxide to be adsorbed, add the salicylidene propane diamine of N, N ,-two, mixing is stirred
Mix 1~2h, you can.Wherein, the mass ratio of the methanol, nano silicon dioxide and the salicylidene propane diamine of N, N ,-two is 40:
17:1。
Reference examples 2
With embodiment 2 difference lies in：The modified methanol of the present invention is replaced with methanol.
Methanol gasoline, includes the raw material of following parts by weight meter：It is 40 parts of n-butanol, 20 parts of isopropanol, 40 parts of dimethylbenzene, two different
40 parts of propyl ether, 10 parts of coconut oil polyoxyethylene ether, 30 parts of methanol, 100 parts of gasoline, 5 parts of iron naphthenate, dibutyl phthalate
1 part, 20 parts of potassium dihydrogen phosphate.
The gasoline is the mixture of the 97# gasoline that volume fraction is 88% and the light oil that volume fraction is 12%.
The preparation method of modified methanol gasoline, comprises the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly, mixing speed 2000r/min, mixing time 40min；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 24 is small, obtains modified methanol gasoline.
Performance test：
| Octane number | Resting period | |
| Embodiment 1 | 98 | 18 months |
| Embodiment 2 | 97 | 16 months |
| Embodiment 3 | 98 | 17 months |
| Embodiment 4 | 97 | 18 months |
| Reference examples 1 | 59 | 12 months |
| Reference examples 2 | 83 | 8 months |
As can be seen from the table, the addition of coconut oil polyoxyethylene ether expands hydrotropy amount and octane number；Modified methanol reduces
The free energy of methanol and gasoline two-phase interface, makes the two mix well, not stratified, does not emulsify, while prevents oil oxidation from becoming
Matter, strengthens stability, and room temperature storage reaches more than 16 months.
The above, is only the preferable specific embodiment of the present invention, and protection scope of the present invention not limited to this is any ripe
Those skilled in the art are known in the technical scope of present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are each fallen within protection scope of the present invention.
Claims (10)
1. modified methanol gasoline, it is characterised in that include the raw material of following parts by weight meter：40~50 parts of n-butanol, isopropanol 20
~30 parts, 40~60 parts of dimethylbenzene, 40~50 parts of diisopropyl ether, 10~20 parts of coconut oil polyoxyethylene ether, modified methanol 30~
80 parts, 100~120 parts of gasoline, 5~10 parts of iron naphthenate, 1~8 part of dibutyl phthalate, potassium dihydrogen phosphate 20~22
Part.
2. modified methanol gasoline according to claim 1, it is characterised in that include the raw material of following parts by weight meter：Positive fourth
45 parts of alcohol, 25 parts of isopropanol, 50 parts of dimethylbenzene, 45 parts of diisopropyl ether, 15 parts of coconut oil polyoxyethylene ether, 50 parts of modified methanol,
110 parts of gasoline, 8 parts of iron naphthenate, 6 parts of dibutyl phthalate, 21 parts of potassium dihydrogen phosphate.
3. modified methanol gasoline according to claim 1, it is characterised in that include the raw material of following parts by weight meter：Positive fourth
42 parts of alcohol, 22 parts of isopropanol, 48 parts of dimethylbenzene, 48 parts of diisopropyl ether, 18 parts of coconut oil polyoxyethylene ether, 55 parts of modified methanol,
112 parts of gasoline, 9 parts of iron naphthenate, 3 parts of dibutyl phthalate, 21 parts of potassium dihydrogen phosphate.
4. modified methanol gasoline according to claim 1, it is characterised in that include the raw material of following parts by weight meter：Positive fourth
40 parts of alcohol, 20 parts of isopropanol, 40 parts of dimethylbenzene, 40 parts of diisopropyl ether, 10 parts of coconut oil polyoxyethylene ether, 30 parts of modified methanol,
100 parts of gasoline, 5 parts of iron naphthenate, 1 part of dibutyl phthalate, 20 parts of potassium dihydrogen phosphate.
5. modified methanol gasoline according to claim 1, it is characterised in that gasoline is 97# gasoline and lightweight oil mixture.
6. modified methanol gasoline according to claim 5, it is characterised in that the gasoline is the 97# that volume fraction is 87%
Gasoline and volume fraction are the mixture of 13% light oil.
7. the preparation method based on the modified methanol gasoline described in claim 1, it is characterised in that comprise the following steps：
（1）N-butanol and isopropanol are added in dimethylbenzene, diisopropyl ether and coconut oil polyoxyethylene are sequentially added after mixing
Ether, synthetic mixture one；
（2）Modified methanol is added in gasoline, miscible resulting mixture two；
（3）After mixture one and mixture two are mixed, stir evenly；
（4）Iron naphthenate, dibutyl phthalate and potassium dihydrogen phosphate are sequentially added, is stirred using shear mixer,
Stir evenly；
（5）Add silicon type molecular sieve, adsorption moisture and impurity；Filtering, when standing 24~30 is small, obtains modified methanol gasoline.
8. the preparation method of modified methanol gasoline according to claim 7, it is characterised in that modified methanol preparation method is such as
Under：Methanol is put into steam generator and forms steam, by the heating furnace that temperature is 372 DEG C, carries out full gear reaction；Add nanometer
Silica is adsorbed, and adds the salicylidene propane diamine of N, N ,-two, and 1~2h is mixed, you can.
9. the preparation method of modified methanol gasoline according to claim 8, it is characterised in that the methanol, nano-silica
The mass ratio of SiClx and the salicylidene propane diamine of N, N ,-two is 40:17:1.
10. the preparation method of modified methanol gasoline according to claim 7, it is characterised in that the stirring of shear mixer
Speed is 1200~2000r/min, and mixing time is 30~40min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115386404A (en) * | 2022-07-11 | 2022-11-25 | 中润油新能源股份有限公司 | High-cleanness methanol gasoline and preparation method thereof |
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Application publication date: 20180508 |