CN103305293A - F-T diesel methanol mixed fuel and preparation method thereof - Google Patents
F-T diesel methanol mixed fuel and preparation method thereof Download PDFInfo
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- CN103305293A CN103305293A CN2013102848398A CN201310284839A CN103305293A CN 103305293 A CN103305293 A CN 103305293A CN 2013102848398 A CN2013102848398 A CN 2013102848398A CN 201310284839 A CN201310284839 A CN 201310284839A CN 103305293 A CN103305293 A CN 103305293A
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Abstract
The invention relates to a clean fuel and a preparation method thereof. The preparation method comprises the following steps of: putting F-T diesel with a volume percentage of 70-90% and 15-0.5% methanol into a container, furthermore filling isooctyl alcohol with a volume percentage of 15-0.5%, as a cosolvent into the container, and inversely putting the container for 3-5 times so as to prepare F-T diesel methanol mixed fuel. The fuel is simple in preparation method; the prepared mixed fuel can be applied to a compression ignition engine; engine rig tests show that on premise that the structural parameters of an engine are not changed, the engine works stably; not only is the cost of the fuel lowered, but also good emission performance of the compression ignition engine is ensured.
Description
Technical field
The present invention relates to a kind of engine propellant combination and preparation method thereof, relate to a kind of self-igniton engine F-T diesel oil methanol mixed fuel and preparation method thereof concretely.
Background technology
China's fossil oil demand increased rapidly in recent years, and the external interdependency of the energy rises year by year, has reached 57% at present.External iea thinks that the external interdependency of China's oil will rise to 80% in 2035.Along with global power train in vehicle application progressively is tending towards " diesel oilization ", shortage of resources and problem of environmental pollution become the maximum bottleneck of diesel engine development gradually.Area, Eastern China in 2013 on a large scale, the long-time haze weather that continues beaten alarm bell to people, and the hazardous air pollutants emission problem has caused people's great attention.General direction and the suggestion of pointing out China's ic engine industry development in " General Office of the State Council is about strengthening the suggestion of ic engine industry energy-saving and emission-reduction " in 2013.Classify alternative fuel internal combustion engine use demonstration project one of as six important engineerings of China's ic engine industry in the file.Seek the requirement that clean energy meets China's present stage ic engine industry.China is the country of the stingy few oil of rich coal, and greatly developing with coal is the clean alternative fuel of raw material, and alleviating energy crisis and the Sustainable development of promoting social stability are had very important strategic meaning.Be the F-T diesel oil of main material production and the energy structure of diesel engine alternative fuel, especially Shanxi Province that methyl alcohol is considered to clean and effective with coal, development F-T diesel oil methanol mixed fuel has bigger magnetism.
Coal namely turns to coal gas CO and H in the certain proportion scope earlier by indirect liquefaction
2Gas mixture, through F-T(Fischer-Tropsch) catalyzed reaction is synthetic, both F-T diesel oil, have the cetane value height, sulphur content is few, aromatic hydrocarbon content is low, characteristics similar to the diesel oil chemical ingredients.When diesel engine uses, do not need to revise structural parameter, use noise and discharging that F-T diesel oil can reduce diesel engine.
Methyl alcohol can be produced wide material sources from coal, Sweet natural gas, biological raw material.The Shanxi Province is China big province of methanol fuel on probation the earliest, the Shanxi Province had transformed more than 1000 of M15 methanol gasoline service station in 2011, build up seat surplus the high-proportion methanol refueling station (M85, M100) 60, after the Shanxi Province was defined as the methanol vehicle model regions by Ministry of Industry and Information in 2012, carry out the operation of methyl alcohol city bus pilot at Changzhi City, the formal startup of Jinzhong City, Shanxi Province in 2013 methanol vehicle pilot makes the popularization of methanol gasoline further again.The methyl alcohol oxygen level up to 50%, the boundary of catching fire is wide, atomization characteristics good.Namely can realize lean burn technology, can reduce the discharging of NOX and soot again, reduce fuel cost.Therefore methyl alcohol can enlarge the range of application of methyl alcohol in the research of diesel-fuel blending and burning technology.The present invention carries out blending with machine F-T diesel oil and methyl alcohol, and namely the advantage of comprehensive two kinds of fuel oils on diesel applications can be improved the too high shortcoming of F-T diesel production cost again.。
Summary of the invention
The problem to be solved in the present invention is the crisis in view of the energy and environment, and F-T diesel oil methanol mixed fuel of a kind of high-efficiency cleaning of diesel engine and preparation method thereof is provided.
For achieving the above object, F-T diesel oil methanol mixed fuel of the present invention and preparation method thereof comprises F-T diesel oil, two kinds of fuel of methyl alcohol and solubility promoter isooctyl alcohol, and composition and the volume percent thereof of its fuel and solubility promoter are as follows:
F-T diesel oil 90%～99%; Methyl alcohol 5%～0.5%; Isooctyl alcohol 5%～0.5%; Or
F-T diesel oil 80%～89%; Methyl alcohol 10%～5.5%; Isooctyl alcohol 10%～5.5%; Or
F-T diesel oil 70%～79%; Methyl alcohol 15%～10.5%; Isooctyl alcohol 15%～10.5%;
Propellant combination as claimed in claim 1, the composition of its fuel and solubility promoter and content can be further by volume per-cent elect as:
F-T diesel oil 90%; Methyl alcohol 5%; Isooctyl alcohol 5%; Or
F-T diesel oil 80%; Methyl alcohol 10%; Isooctyl alcohol 10%; Or
F-T diesel oil 70%; Methyl alcohol 15%; Isooctyl alcohol 15%;
Propellant combination as claimed in claim 1, the composition of its fuel and solubility promoter and content can be further by volume per-cent elect as:
F-T diesel oil 95%; Methyl alcohol 2%; Isooctyl alcohol 3%; Or
F-T diesel oil 85%; Methyl alcohol 8%; Isooctyl alcohol 7%; Or
F-T diesel oil 75%; Methyl alcohol 13%; Isooctyl alcohol 12%;
The present invention is a kind of for above-mentioned F-T diesel oil methanol mixed fuel preparation method, the composition of its method such as above-mentioned F-T diesel oil methanol mixed fuel and degree by volume thereof, F-T diesel oil and methyl alcohol are inserted in the container, slowly add the solubility promoter isooctyl alcohol, just container is inverted 3～5 times then, fuels mutual soluble in the container mixes, and can obtain F-T diesel oil methanol mixed fuel of the present invention.After leaving standstill 45 days, propellant combination is still stable.
Beneficial effect of the present invention: the gap of the price of 1, F-T diesel oil and 0# diesel-fuel price is dwindled gradually, and the 0# diesel-fuel price is 7700～8000 yuan/ton at present, and the price of F-T diesel oil is 9000 yuan/ton, and methanol prices is 2400 yuan/ton.The a certain proportion of methyl alcohol of blending in F-T diesel oil can reduce the cost of F-T diesel oil methanol mixed fuel.
2, F-T diesel oil and methyl alcohol can be processed refinement, reserves aboundresources from coal.Especially at the energy structure of Shanxi Province, research F-T diesel oil methanol mixed fuel has the energy strategy meaning as the alternative fuel of diesel engine in China.
3, F-T diesel-fuel cetane number height, sulphur content is few, can reduce NOx and the PM discharging of diesel engine.Methyl alcohol also can reduce NOx and the PM discharging of diesel engine.These two kinds of fuel mix are got up, and performance advantage separately need not existing diesel is done structural change, can also further reduce diesel emission.
This propellant combination was through 40 hours engine rig test, and is stable, and discharging is good, and noise is lower than former diesel motor.On the basis of carrying out repeatedly mutual solubility test and engine rig test, determined the technical scheme of propellant combination preparation, thereby a kind of low emission propellant combination of alternative diesel oil newly is provided.
F-T diesel oil methanol mixed fuel of the present invention and preparation method thereof, the optimum ratio scheme of its F-T diesel oil, methyl alcohol, solubility promoter isooctyl alcohol is that by volume per-cent is: F-T diesel oil 80%; Methyl alcohol 10%; Isooctyl alcohol 10%.
Description of drawings
Fig. 1 be the embodiment of the invention 1 when the self-igniton engine rotating speed is 2400r/min, in the engine emission NOx with the load variation diagram.
Fig. 2 be the embodiment of the invention 1 when the self-igniton engine rotating speed is 2400r/min, in the engine emission PM with the load variation diagram.
Fig. 3 be the embodiment of the invention 2 when the self-igniton engine rotating speed is 2400r/min, in the engine emission NOx with the load variation diagram.
Fig. 4 be the embodiment of the invention 2 when the self-igniton engine rotating speed is 2400r/min, in the engine emission PM with the load variation diagram.
Embodiment
Describe the embodiment of F-T diesel oil methanol mixed fuel of the present invention and preparation method thereof in detail below in conjunction with embodiment.
Embodiment 1
The propellant combination of present embodiment is made up of F-T diesel oil, methyl alcohol and solubility promoter isooctyl alcohol, according to volume percent is: F-T diesel oil 90%, methyl alcohol 5%, isooctyl alcohol 5%.The preparation method of the propellant combination of present embodiment is: when envrionment temperature is 34 ℃, at first the F-T diesel oil of 45L is inserted tanks, being that 99% methyl alcohol is also inserted tanks then with 2.5L purity, is that 99.7% isooctyl alcohol is inserted tanks at last with 2.5L purity.Tanks is inverted 3～5 times back and forth, and fuels mutual soluble mixes.I.e. Zhi of the present invention a kind of F-T diesel oil methanol mixed fuel
Propellant combination through present embodiment carries out engine rig test, and engine carries out carrying out the part throttle characteristics test under external characteristics and 1600r/min, 2400r/min, the 2800 r/min rotating speeds, and the discharging of measuring engine with emission analyzer.Rig test result shows, that this propellant combination of engine for combusting operates steadily, burns is soft, discharging is good.
Embodiment 2
The propellant combination of present embodiment is formed propellant combination by F-T diesel oil, methyl alcohol and solubility promoter isooctyl alcohol: F-T diesel oil 85%, methyl alcohol are chosen small proportion 8%, isooctyl alcohol 7%.The preparation method of the propellant combination of present embodiment is identical with embodiment 1 with experimental test.
Embodiment 3
The propellant combination of present embodiment is formed propellant combination by F-T diesel oil, methyl alcohol and solubility promoter isooctyl alcohol: F-T diesel oil 75%, methyl alcohol choose at high proportion 13%, isooctyl alcohol 12%.The preparation method of the propellant combination of present embodiment is identical with embodiment 1 with experimental test.
Claims (7)
1. a F-T diesel oil and methanol mixed fuel, the composition of its fuel and solubility promoter and content thereof by volume per-cent are as follows:
F-T diesel oil 90%～99%; Methyl alcohol 5%～0.5%; Isooctyl alcohol 5%～0.5%; Or
F-T diesel oil 80%～89%; Methyl alcohol 10%～5.5%; Isooctyl alcohol 10%～5.5%; Or
F-T diesel oil 70%～79%; Methyl alcohol 15%～10.5%; Isooctyl alcohol 15%～10.5%.
2. propellant combination as claimed in claim 1, the composition of its fuel and solubility promoter and content can be further by volume per-cent elect as:
F-T diesel oil 90%; Methyl alcohol 5%; Isooctyl alcohol 5%; Or
F-T diesel oil 80%; Methyl alcohol 10%; Isooctyl alcohol 10%; Or
F-T diesel oil 70%; Methyl alcohol 15%; Isooctyl alcohol 15%.
3. propellant combination as claimed in claim 1, the composition of its fuel and solubility promoter and content can be further by volume per-cent elect as:
F-T diesel oil 95%; Methyl alcohol 2%; Isooctyl alcohol 3%; Or
F-T diesel oil 85%; Methyl alcohol 8%; Isooctyl alcohol 7%; Or
F-T diesel oil 75%; Methyl alcohol 13%; Isooctyl alcohol 12%.
4. F-T diesel oil methanol mixed fuel as claimed in claim 1, component F-T diesel oil is the ICL for Indirect Coal Liquefaction product, then through F-T(Fischer – Tropsch) catalyzed reaction is synthetic.
5. F-T diesel oil methanol mixed fuel as claimed in claim 1, the purity 98～99 of its methyl alcohol.
6. F-T diesel oil methanol mixed fuel as claimed in claim 1, the purity of its solubility promoter isooctyl alcohol is not less than 99.
7. F-T diesel oil methanol mixed fuel preparation method as claimed in claim 1, its described method composition as claimed in claim 1 and degree by volume thereof, F-T diesel oil and methyl alcohol are inserted in the container, slowly add the solubility promoter isooctyl alcohol, just container is inverted 3～5 times then, fuels mutual soluble in the container mixes, and can obtain F-T diesel oil methanol mixed fuel.
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| CN2013102848398A CN103305293A (en) | 2013-07-08 | 2013-07-08 | F-T diesel methanol mixed fuel and preparation method thereof |
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| CN2013102848398A CN103305293A (en) | 2013-07-08 | 2013-07-08 | F-T diesel methanol mixed fuel and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695046A (en) * | 2013-12-21 | 2014-04-02 | 山西华顿实业有限公司 | Alcohol ether diesel for vehicle and vessel and preparation method thereof |
| CN103740418A (en) * | 2014-01-17 | 2014-04-23 | 太原理工大学 | Preparation method of FT diesel-methanol-biodiesel multi-element clean fuel |
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| CN101381632A (en) * | 2007-12-22 | 2009-03-11 | 山西华顿实业有限公司 | Methanol-diesel and preparation thereof |
| CN101514299A (en) * | 2009-03-03 | 2009-08-26 | 陈庆军 | Compound diesel |
| CN101671582A (en) * | 2009-09-24 | 2010-03-17 | 山西艾得成科技有限公司 | Low-proportion methanol diesel fuel for vehicle and preparation method thereof |
| CN102268305A (en) * | 2011-07-14 | 2011-12-07 | 河南煤业化工集团研究院有限责任公司 | Environmentally-friendly methanol diesel oil for automobile and preparation method thereof |
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Patent Citations (4)
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| CN101381632A (en) * | 2007-12-22 | 2009-03-11 | 山西华顿实业有限公司 | Methanol-diesel and preparation thereof |
| CN101514299A (en) * | 2009-03-03 | 2009-08-26 | 陈庆军 | Compound diesel |
| CN101671582A (en) * | 2009-09-24 | 2010-03-17 | 山西艾得成科技有限公司 | Low-proportion methanol diesel fuel for vehicle and preparation method thereof |
| CN102268305A (en) * | 2011-07-14 | 2011-12-07 | 河南煤业化工集团研究院有限责任公司 | Environmentally-friendly methanol diesel oil for automobile and preparation method thereof |
Non-Patent Citations (4)
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| 刘立东: "柴油机燃用F-T柴油的基础研究", 《中国博士学位论文全文数据库工程科技Ⅱ辑》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695046A (en) * | 2013-12-21 | 2014-04-02 | 山西华顿实业有限公司 | Alcohol ether diesel for vehicle and vessel and preparation method thereof |
| CN103740418A (en) * | 2014-01-17 | 2014-04-23 | 太原理工大学 | Preparation method of FT diesel-methanol-biodiesel multi-element clean fuel |
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Application publication date: 20130918 |