CN103952191B - Dimethoxymethane gasoline based on national standard gasoline component - Google Patents
Dimethoxymethane gasoline based on national standard gasoline component Download PDFInfo
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- CN103952191B CN103952191B CN201410176541.XA CN201410176541A CN103952191B CN 103952191 B CN103952191 B CN 103952191B CN 201410176541 A CN201410176541 A CN 201410176541A CN 103952191 B CN103952191 B CN 103952191B
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Abstract
The invention discloses dimethoxymethane gasoline based on a national standard gasoline component. The dimethoxymethane gasoline comprises the following components in percentage by weight: 10-30% of blending combustion fuel for a vehicle and 70-90% of national standard gasoline, wherein the blending combustion fuel for the vehicle comprises 88-95 parts of dimethoxymethane, 5-8 parts of tert-amyl methyl ether and 2-5 parts of functional additive, and the functional additive comprises 50-65 parts of polyisobutylene succinimide, 30-40 parts of fatty acid and 5-10 parts of cerium dioxide. According to the invention, a blending combustion fuel dimethoxymethane composition is added into the component of the national standard gasoline, so that the usage amount of the national standard gasoline is reduced, the heat utilization ratio of the fuel is increased, the emission of harmful gases in automobile exhaust is reduced, and the defect existing when dimethoxymethane is independently used as the blending combustion fuel is overcome.
Description
Technical field
The present invention relates to gasoline, particularly to a kind of Dimethoxymethane gasoline.
Background technology
In order to solve the discharge of harmful gass in vehicle exhaust, the quality improving automobile-used oil product is maximally effective side at present
Method.So far, improving automotive oils quality mainly has two kinds of approach, and one kind is to improve oil quality, Yi Zhongshi by oil refining
Mix fuel burning or additive and improve the quality of fuel oil by adding.
Add that to mix fuel burning be that fuel oil quality is greatly improved in vehicle fuel, reduce in tail gas noxious gas emission
Effectively approach.Mix at present fuel burning using more be Aalcohols fuel and ethers fuel.Aalcohols fuel includes methanol, ethanol
Deng, but there is the shortcomings of low-temperature stratification, chance water stratification in Aalcohols fuel, have a large amount of difficulties, therefore ether in transport, storage, use
Class A fuel A has obtained extensive concern.
Dimethyl ether takes the lead in opening the application beginning that ethers mixes fuel burning, but encounters due under normal temperature and pressure being gaseous state
It is difficult to the bottleneck applied.Dimethoxymethane, another name methylene dimethyl ether, formal, dimethoxym ethane etc., belong to ethers isomery
Body, at normal temperatures and pressures with liquid exist, because its with carbon-oxygen bond exist and no carbon-carbon bond possess the most efficient in ether material
Burnup characteristics, possess excellent fuel oil and mix fuel burning property.
But the octane number of dimethoxymethane is less than 90, it mixes fuel burning as motor petrol, and to use presence not reach automobile-used
The problem of octane number standard.The Chinese patent of such as Patent No. zl 200810045958.7 discloses a kind of diformazan
Epoxide methane gasoline, it is made up of dimethoxymethane, benzene,toluene,xylene and gasoline, wherein using dimethoxymethane as
Mix fuel burning to use, save gasoline.Although this patent is pungent by adding benzene,toluene,xylene to solve dimethoxymethane
The low problem of alkane value, but, benzene is a kind of material virulent to human body, and motor petrol national standard has strict to its content
Limit it is desirable to its mass fraction is not more than 1.0%.Although aromatic hydrocarbons is the significant contributor of octane number, aromatic hydrocarbons also can increase and start
Machine gas handling system and the formation of combustion chamber deposit, and promote co, hc discharge capacity to increase, especially it is to increase the discharge of benzene, therefore
Motor petrol national standard has been also carried out to it controlling.In a word, benzene,toluene,xylene etc. is to limit in oil quality to add
Material, therefore cannot be widely applied.
Content of the invention
The purpose of the present invention is that for above-mentioned the deficiencies in the prior art, provide a kind of based on GB gasoline component two
Methoxyl group methane gasoline, it adds in GB gasoline component mixes fuel burning dimethoxymethane compositionss, decreases GB vapour
The usage amount of oil, and improve the heat utilization efficiency of fuel oil, reduce the discharge of harmful gass in vehicle exhaust, and solve two
Methoxyl group methane is separately as mixing existing shortcoming when fuel burning uses.
To achieve these goals, the technical solution used in the present invention is such that
A kind of Dimethoxymethane gasoline based on GB gasoline component, including percentage by weight be 10%～30% automobile-used
Mix fuel burning and 70%～90% GB gasoline；
Wherein automobile-used fuel burning of mixing includes the raw material that following weight portion forms: dimethoxymethane (dmm) 88-95 part, uncle
Amyl methyl ether (tame) 5-8 part, functional additive 2-5 part；Described functional additive includes following weight portion composition
Raw material: polyisobutylene succinamide 50-65 part, fatty acid 30-40 part, ceria 5-10 part；
Above-mentioned GB gasoline is the GB 90 of existing execution, No. 93, any one in No. 97 gasoline.
Preferably, in the present invention, automobile-used fuel burning of mixing includes the raw material that following weight portion forms: dimethoxymethane
(dmm) 90 parts, 5 parts of tert pentyl methyl ether (tame), 5 parts of functional additive；Wherein functional additive includes following weight
The raw material of part composition: 55 parts of polyisobutylene succinamide, 35 parts of fatty acid, 10 parts of ceria.
Further, in order to improve the automobile-used product quality mixing fuel burning, the addition of impurity, diformazan in above-mentioned dmm are reduced
Epoxide methane content >=99%, methanol content≤0.5%；Tert pentyl methyl ether content >=99% in above-mentioned tame.
In described functional additive, mean diameter≤0.8 μm of ceria is it is ensured that cerium oxide particles are molten
Suspend in agent and form suspension, so that the catalysis activity of ceria is higher.
The present inventor finds through many experiments, although dimethoxymethane has efficient burnup characteristics, its conduct
Gasoline is mixed fuel burning and is less than 90 using the octane number having the disadvantage in that (1) dimethoxymethane, does not reach Fuel Petroleum octane
Value standard；(2) boiling point of dimethoxymethane is relatively low, leads to its saturated vapor pressure higher, if direct use is also easy to produce vapour lock shadow
Ring the normal fuel injection of electromotor；(3) oxygen content of dimethoxymethane is higher, lead to burning when easily localized hyperthermia occurs and increases
The discharge of oxynitride.Therefore the present inventor is above-mentioned by adding a certain proportion of modifying agent and functional additive to solve
Problem.
Tert pentyl methyl ether (tame) has higher boiling point and octane number, and belongs to ethers thing together with dimethoxymethane
Matter, its add as modifying agent can solve dimethoxymethane low boiling point in dimethoxymethane simultaneously and cause saturation steam
The high problem of the vapour pressure and poor problem of anti-knock properties occurs because octane number is relatively low.But the addition of tame is also to have necessarily
Limit, inventor is advisable in 5-8 weight portion by the addition that many experiments determine tame, especially with 5 weight portions be optimal, if
The component of tame is too low, then octane number does not reach requirement, and the component of tame is too high, because itself calorific value is lower than gasoline, meeting
The performance of impact electromotor, also can increase the discharge of oxynitride in automobile emission meanwhile.
Simultaneously take account of dimethoxymethane oxygen content higher, the present invention adds cerium oxide particles wherein.Titanium dioxide
Cerium forms functional additive with polyisobutylene succinamide and fatty acid, and ceria is deposited with suspended state in a solvent
Forming suspension so as to form homogenous combustion thus avoiding local high by changing oxygen catalysis in the combustion process of internal combustion engine
Temperature, so that the discharge of oxynitride declines.And polyisobutylene succinamide is have stronger divergent function clear
Clean dose, fatty acid is anti-sweller, and the two combination plays the role of solvability to carbon distribution, and the addition of therefore functional additive can
To prevent in fuel transfer system pipeline to block due to carbon distribution, and ceria also can reduce the discharge capacity of oxynitride.
Compared with prior art, it is an advantage of the current invention that:
1, instant invention overcomes dimethoxymethane boiling point is relatively low, leads to the difficulty that saturated vapor pressure is higher, the present invention's
Dimethoxymethane gasoline has qualified saturated vapor pressure, can normal work in gasoline engine.
2nd, the Dimethoxymethane gasoline of the present invention has higher dissolving each other than alcohol gasoline (methanol gasoline, ethanol petrol)
Property, meet water separating resistance and low-temperature resistance separation property.
3rd, the power of the Dimethoxymethane gasoline of the present invention is more higher than the GB gasoline of same label, and Fuel Consumption is also more
Few, and in vehicle exhaust, the discharge capacity of carbon monoxide co and Hydrocarbon hc is also greatly reduced.
4th, the present invention mix fuel burning primary raw material dimethoxymethane production cost very low, substantially increase dimethoxy
The cost performance of methane gasoline.
5th, it is intended to carry high-octane component it is not necessary to add because tame can improve octane number, so, the present invention avoids
The addition of the impact oil quality material such as benzene,toluene,xylene.
Specific embodiment
In order to be more clearly understood from the purpose of the present invention, technical scheme and beneficial effect, below the present invention is done into one
The explanation of step, but protection scope of the present invention is not limited in the examples below.
Raw material used by following examples:
(1) dmm: purity is more than 99%, and methanol content is less than 0.5%；
(2) tame: fuel-grade, purity is more than 99%；
(3) polyisobutylene succinamide: technical grade, purity is more than 99%；
(4) fatty acid: technical grade, purity is more than 99%；
(5) cerium dioxide powder: purity more than 99%, mean diameter≤0.8 μm.
Embodiment 1:
First, prepare functional additive: at normal temperatures and pressures, take polyisobutylene succinamide 5kg, fatty acid 3kg,
Ceria 0.5kg adds agitation mix homogeneously in tank body；
2nd, prepare mixed solution: under normal temperature and pressure, by dimethoxymethane (dmm) 88kg, tert pentyl methyl ether (tame)
5kg adds natural mix homogeneously in tank body to obtain mixed solution；
3rd, fuel burning is mixed in preparation: adds the functional additive of 2kg in mixed solution, is thoroughly mixed uniformly i.e.
?；
4th, prepare Dimethoxymethane gasoline: take the fuel burning of mixing of No. 90 GB gasoline 90kg and 10kg to mix and obtain final product.
Embodiment 2:
First, prepare functional additive: at normal temperatures and pressures, take polyisobutylene succinamide 6.5kg, fatty acid
4kg, ceria 1kg add agitation mix homogeneously in tank body；
2nd, prepare mixed solution: under normal temperature and pressure, by dimethoxymethane (dmm) 95kg, tert pentyl methyl ether (tame)
8kg adds natural mix homogeneously in tank body to obtain mixed solution；
3rd, fuel burning is mixed in preparation: adds the functional additive of 5kg in mixed solution, is thoroughly mixed uniformly i.e.
?；
4th, prepare Dimethoxymethane gasoline: take the fuel burning of mixing of No. 93 GB gasoline 80kg and 20kg to mix and obtain final product.
Embodiment 3:
First, prepare functional additive: at normal temperatures and pressures, take polyisobutylene succinamide 5.5kg, fatty acid
3.5kg, ceria 1kg add agitation mix homogeneously in tank body；
2nd, prepare mixed solution: under normal temperature and pressure, by dimethoxymethane (dmm) 90kg, tert pentyl methyl ether (tame)
5kg adds natural mix homogeneously in tank body to obtain mixed solution；
3rd, fuel burning is mixed in preparation: adds the functional additive of 5kg in mixed solution, is thoroughly mixed uniformly i.e.
?；
4th, prepare Dimethoxymethane gasoline: take the fuel burning of mixing of No. 97 GB gasoline 70kg and 30kg to mix and obtain final product.
The Dimethoxymethane gasoline that embodiment 1-3 is obtained respectively with GB 90, No. 93, No. 97 gasoline carry out fuel oil
The performance detections such as consumption, pollutant emission, concrete detection sees for oneself described below:
First, car load power performance compares:
2nd, Fuel Consumption compares:
3rd, discharge pollutants measurement:
To sum up, the discharge capacity of co of the present invention decreases the discharge capacity of 50% about, hc and decreases 40% about.
4th, standard detection up to standard
(1) 90# GB gasoline standard:
(2) 93# GB gasoline standard
(3) 97# GB gasoline standard
Therefore, be may certify that by data above, when Dimethoxymethane gasoline of the present invention uses, car load is working properly, is as good as
Chang Xianxiang.Using Dimethoxymethane gasoline of the present invention, the power performance of car load increases, and Fuel Consumption has declined,
The content of pollutant co and hc of discharge has also reduced.
Claims (5)
1. a kind of Dimethoxymethane gasoline based on GB gasoline component it is characterised in that: include percentage by weight be 10%～
30% automobile-used mixes fuel burning and 70%～90% GB gasoline；
Above-mentioned automobile-used fuel burning of mixing includes the raw material that following weight portion forms: dimethoxymethane (dmm) 88-95 part, tertiary pentyl
Methyl ether (tame) 5-8 part, functional additive 2-5 part；Wherein functional additive includes the raw material of following weight portion composition:
Polyisobutylene succinamide 50-65 part, fatty acid 30-40 part, ceria 5-10 part；
Above-mentioned GB gasoline is the GB 90 of existing execution, No. 93, any one in No. 97 gasoline.
2. a kind of Dimethoxymethane gasoline based on GB gasoline component according to claim 1 it is characterised in that: institute
The automobile-used fuel burning of mixing stated includes the raw material that following weight portion forms: 90 parts of dimethoxymethane (dmm), tert pentyl methyl ether
(tame) 5 parts, 5 parts of functional additive；Wherein functional additive includes the raw material of following weight portion composition: polyisobutenyl
55 parts of succimide, 35 parts of fatty acid, 10 parts of ceria.
3. a kind of Dimethoxymethane gasoline based on GB gasoline component according to claim 1 and 2, its feature exists
In: dimethoxymethane content >=99%, methanol content≤0.5% in described dimethoxymethane.
4. a kind of Dimethoxymethane gasoline based on GB gasoline component according to claim 1 and 2, its feature exists
In: tert pentyl methyl ether content >=99% in described tert pentyl methyl ether.
5. a kind of Dimethoxymethane gasoline based on GB gasoline component according to claim 1 and 2, its feature exists
In: mean diameter≤0.8 μm of ceria in described functional additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176541.XA CN103952191B (en) | 2014-04-29 | 2014-04-29 | Dimethoxymethane gasoline based on national standard gasoline component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176541.XA CN103952191B (en) | 2014-04-29 | 2014-04-29 | Dimethoxymethane gasoline based on national standard gasoline component |
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| Publication Number | Publication Date |
|---|---|
| CN103952191A CN103952191A (en) | 2014-07-30 |
| CN103952191B true CN103952191B (en) | 2017-01-18 |
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|---|---|---|---|
| CN201410176541.XA Expired - Fee Related CN103952191B (en) | 2014-04-29 | 2014-04-29 | Dimethoxymethane gasoline based on national standard gasoline component |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737090A (en) * | 2005-09-01 | 2006-02-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Nanometer fuel oil addition agent |
| CN101580747A (en) * | 2009-06-24 | 2009-11-18 | 天津汇荣石油有限公司 | Fuel composition capable of meeting motor vehicle pollutant emission limit |
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2014
- 2014-04-29 CN CN201410176541.XA patent/CN103952191B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737090A (en) * | 2005-09-01 | 2006-02-22 | 上海纳米技术及应用国家工程研究中心有限公司 | Nanometer fuel oil addition agent |
| CN101580747A (en) * | 2009-06-24 | 2009-11-18 | 天津汇荣石油有限公司 | Fuel composition capable of meeting motor vehicle pollutant emission limit |
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| Publication number | Publication date |
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| CN103952191A (en) | 2014-07-30 |
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Granted publication date: 20170118 Termination date: 20190429 |