CN105695012B - A kind of micro emulsion diesel fuel - Google Patents
A kind of micro emulsion diesel fuel Download PDFInfo
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- CN105695012B CN105695012B CN201610155987.3A CN201610155987A CN105695012B CN 105695012 B CN105695012 B CN 105695012B CN 201610155987 A CN201610155987 A CN 201610155987A CN 105695012 B CN105695012 B CN 105695012B
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- micro emulsion
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
- C10L1/1905—Esters ester radical containing compounds; ester ethers; carbonic acid esters of di- or polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention discloses a kind of micro emulsion diesel fuel, each raw material components including following weight parts：100 ~ 135 parts of diesel oil, 40 ~ 55 parts of water, 10 ~ 20 parts of methanol, 13 ~ 20 parts of composite emulsifier, the composite emulsifier include following component：13 ~ 18 parts of cocoanut fatty acid diethanolamide, 2 ~ 5 parts of sorbitan fatty carboxylic ester, 3 ~ 7 parts of mannitol, 5 ~ 10 parts of Cocoamidopropyl betaine.The present invention improves the stability of micro emulsion diesel fuel in the case where ensureing the clear nasal discharge of combustibility of micro emulsion diesel fuel, reduces the dosage of emulsifier.
Description
Technical field
The present invention relates to diesel oil field more particularly to a kind of micro emulsion diesel fuels.
Background technology
With the continuous development of economy and sharply increasing for world population, energy crisis is increasingly prominent, and is increasingly becoming system
The about principal element of development of all countries economy increases income and throttles and two big major measures of energy crisis are tackled as the mankind.Diesel oil is made
There is high heating value, difficult volatilization for traditional energy, occupied an important position in mankind's activity.China in Recent Years diesel oil is consumed
Amount reaches ten million ton, and notch is also up to million tons, and supply falls short of demand for China Diesel.Therefore, diesel combustion power saving becomes more and more important, and
Diesel oil is emulsified, has complied with the energy saving needs of world today's diesel combustion well.
The emulsification of diesel oil refers in the presence of emulsifier, and water-in-oil type breast is formed by means such as mechanical agitation, ultrasounds
The process of liquid.Since diesel oil emulsification has emulsion process simple, high combustion efficiency, the combustion process pollutant emission few etc. many excellent
It puts and is concerned.The application study of diesel oil emulsification has become the hot spot in fuel energy-saving emission reduction research field, it is suitable for
Various tractors, agricultural transportation vehicle, water pumper, generator, warm air oil furnace, drying oven, diesel engine steamer etc..Diesel oil emulsification with
Diesel fuel characteristics are suitable, and can greatly improve efficiency of combustion, free from environmental pollution, and environmental protection index is better than diesel oil, are a kind of economical high
The New-type fuel of effect.
As described above, diesel emulsion adds certain emulsifier and is prepared, and the selection of emulsifier is then prepared
One important step of diesel oil emulsification.Single emulsifier is traditionally selected to emulsify diesel oil, but single breast
Agent is difficult to meet multigroup system emulsification requirement be grouped into, causes the diesel oil emulsification prepared in the side such as stability, viscosity, flash-point
Face is undesirable so that its combustibility passes through answering for emulsifier there is also defect, and by the further development of technology
The shortcomings that matching somebody with somebody, being partially improved single emulsifier, still, composite emulsifier usage amount is big, component is more, the diesel oil emulsification of preparation is steady
Qualitative, viscosity etc. still remains shortcoming.
The content of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of stability, combustibilities
Good micro emulsion diesel fuel.
In order to solve the above-mentioned technical problem, the present invention is realized using following scheme：
A kind of micro emulsion diesel fuel, each raw material components including following weight parts：
100 ~ 135 parts of diesel oil；
40 ~ 55 parts of water；
10 ~ 20 parts of methanol；
13 ~ 20 parts of composite emulsifier；
The composite emulsifier includes following component：13 ~ 18 parts of cocoanut fatty acid diethanolamide, Sorbitan alcohol ester
2 ~ 5 parts of fat carboxylic ester, 3 ~ 7 parts of mannitol, 5 ~ 10 parts of Cocoamidopropyl betaine.
Diesel oil emulsification exists usually in the form of Water-In-Oil, anxious in temperature cylinder since the boiling point of water is lower than oil
During play rise, water always first reaches boiling point and seethes with excitement or evaporate, when the water in oil droplet is superheated to the surface tension and ring more than oil
During saturation temperature corresponding to the sum of border pressure, vapor will break through oil film and oil droplet is made to explode, and form more tiny oil
Drop can improve air-fuel mixture quality in this way, improve efficiency of combustion.In the prior art, tradition is transformed by mixing methanol
Diesel oil, conventionally used sorbitan fatty carboxylic ester is as emulsifier, but since the demulsification of methanol is easy to cause
System it is unstable so that prepare diesel oil emulsification layering.Therefore the present invention passes through compounding breast by the component of emulsifier
The adjustment of agent is so that the viscosity of continuous phase rises, so that the state that the diesel oil emulsification of whole system is relatively stable.Especially
It is using cocoanut fatty acid diethanolamide and Cocoamidopropyl betaine cooperation sorbitan fatty carboxylic ester so that
The stabilization time of micro emulsion diesel fuel greatly prolongs.
The composite emulsifier further includes 0.01 ~ 0.03 part of limonene.By inventor the study found that passing through middle emulsified diesel
Mixed in oil micro limonene can significantly micro emulsion diesel fuel combustibility, and it was found that, it is only each in the cooperation present invention
On the premise of component, such effect could be obtained, if after the change of the dosage of the component of composite emulsifier or component, combustibility obtains
To different degrees of decline, especially smoke intensity.Inventor guess, limonene it is miscible in diesel oil after, burning when can improve it is mixed
Close gas formation and promote burning, accelerate fuel oil splitting decomposition form the burning of coke, and then reduce due to burning it is insufficient and
The carbon particle of generation.
Preferably, the micro emulsion diesel fuel includes each raw material components of following weight parts：
110 parts of diesel oil；
15 parts of methanol；
48 parts of water；
15 parts of composite emulsifier；
The composite emulsifier includes following component：15 parts of cocoanut fatty acid diethanolamide, sorbitan fatty
4 parts of carboxylic ester, 5 parts of mannitol, 3 parts of Cocoamidopropyl betaine, 0.02 part of limonene.
On the premise of by inventor's many experiments, so proportioning can be so that the performance of micro emulsion diesel fuel be optimal.
The preparation process of the micro emulsion diesel fuel is as follows：Diesel oil, water, methanol are mixed according to proportioning and in 1500 ~
It is stirred under conditions of 2000rpm, while air is continually fed into mixed liquor, air capacity is 20 ~ 30L per hour, by compounding breast
Agent is divided into 5 ~ 8 parts and adds in several times, and the time interval added in every time is 5 ~ 10min.
Micro emulsion diesel fuel prepared by the present invention in addition to using stirring operation, is innovatively coordinated using bubble explosion,
So that prepared micro emulsion diesel fuel stability greatly improves or even can influence simultaneously the other performance index of micro emulsion diesel fuel,
Wherein, it is better if air is passed through in the form of micron bubble.Micron bubble passes through micron bubble generation device.
Compared with prior art, the present invention has the advantages that：This patent passes through composite emulsifier so that preparation
The stability of micro emulsion diesel fuel greatly improves, in addition, micro- prepared by the present invention on the premise of stability is ensured
Softening diesel oil also has other superior combustibilities, and by new preparation method, further improves microemulsified
The stability of diesel oil.
Specific embodiment
In order to which those skilled in the art is allowed to more fully understand technical scheme, the present invention is made below further
It illustrates.
Embodiment 1
A kind of micro emulsion diesel fuel, each raw material components including following weight parts：100 parts of diesel oil, 40 parts of water, 10 parts of methanol,
13 parts of composite emulsifier；
The composite emulsifier includes following component：13 parts of cocoanut fatty acid diethanolamide, sorbitan fatty
2 parts of carboxylic ester, 3 parts of mannitol, 5 parts of Cocoamidopropyl betaine.
The preparation process of the micro emulsion diesel fuel is as follows：Diesel oil, water, methanol are mixed according to proportioning and in 1500rpm
Under the conditions of stir, while air is continually fed into mixed liquor, air capacity is 20L per hour, and composite emulsifier is divided into more than 5 parts
Secondary addition, the time interval added in every time are 5min.
Embodiment 2
A kind of micro emulsion diesel fuel, each raw material components including following weight parts：135 parts of diesel oil, 55 parts of water, 20 parts of methanol,
20 parts of composite emulsifier；
The composite emulsifier includes following component：18 parts of cocoanut fatty acid diethanolamide, sorbitan fatty
5 parts of carboxylic ester, 7 parts of mannitol, 10 parts of Cocoamidopropyl betaine.
The preparation process of the micro emulsion diesel fuel is as follows：Diesel oil, water, methanol are mixed according to proportioning and in 2000rpm
Under the conditions of stir, while air is continually fed into mixed liquor, air capacity is 30L per hour, and composite emulsifier is divided into more than 8 parts
Secondary addition, the time interval added in every time are 10min.
Embodiment 3
The present embodiment is similar to Example 1, and difference lies in composite emulsifier also contains 0.01 part of limonene.
Embodiment 4
The present embodiment is similar to Example 2, and difference lies in composite emulsifier further includes 0.03 part of limonene.
Embodiment 5
The present embodiment is similar to Example 1, and difference lies in 110 parts of diesel oil, 15 parts of methanol, 48 parts of water, composite emulsifiers 15
Part, the composite emulsifier includes following component：15 parts of cocoanut fatty acid diethanolamide, sorbitan fatty carboxylic ester
4 parts, 5 parts of mannitol, 3 parts of Cocoamidopropyl betaine, 0.02 part of limonene.
Embodiment 6
The present embodiment is similar to Example 1, and difference lies in the bubble being passed through is micron bubble.
Comparative example 1
This comparative example is similar to Example 1, and difference lies in without including Cocoamidopropyl betaine.
Comparative example 2
This comparative example is similar to Example 1, and difference lies in without cocoanut fatty acid diethanolamide.
Comparative example 3
This comparative example is similar to Example 1, and difference lies in 25 parts of composite emulsifiers.
Comparative example 4
This comparative example is similar to Example 1, and difference lies in 25 parts of methanol.
Stability test：
Micro emulsion diesel fuel prepared by embodiment and comparative example is put into the measuring cup of 500mL respectively, records the 5th respectively
The volume of water in the cup is burnt when day, the 20th day, the 50th day, as a result such as following table：
| Project | 5th day（mL） | 20th day（mL） | 50th day（mL） |
| Embodiment 1 | 0 | 2.5 | 5.9 |
| Embodiment 2 | 0 | 2.2 | 4.7 |
| Embodiment 3 | 0 | 1.9 | 4.5 |
| Embodiment 4 | 0 | 1.8 | 4.1 |
| Embodiment 5 | 0 | 1.3 | 3.7 |
| Embodiment 6 | 0 | 2.2 | 4.5 |
| Comparative example 1 | 1.3 | 6.7 | 21.4 |
| Comparative example 2 | 2.1 | 8.2 | 18.2 |
| Comparative example 3 | 0.8 | 4.3 | 11.9 |
| Comparative example 4 | 1.1 | 7.2 | 17.5 |
As can be seen from the above data, the stability of the micro emulsion diesel fuel prepared by embodiment 1 ~ 6 is more superior, 50 days
Afterwards all only cry on a small quantity disengage, the technique effect of embodiment 5 is optimal.Such as embodiment 3 and 4, limonene can greatly improve system
Stability；If embodiment 1 and embodiment 6 compare, micron bubble can promote the stability of system.Such as comparative example 1 ~ 4, change emulsification
The dosage of agent can cause large effect to the stability of system.
Combustibility is tested：
Diesel engine compression ratio 21.6 is tested, nominal power/rotating speed is 3.8kW/2400rmin-1, as a result such as following table：
| Project | NOx（g/kW·h） | CO（g/kW·h） | HC（g/kW·h） | Smoke intensity |
| Embodiment 1 | 1.6 | 1.3 | 0.39 | 2.6 |
| Embodiment 2 | 1.5 | 1.1 | 0.40 | 2.4 |
| Embodiment 3 | 1.2 | 0.4 | 0.32 | 1.9 |
| Embodiment 4 | 1.3 | 0.7 | 0.34 | 2.3 |
| Embodiment 5 | 1.1 | 0.6 | 0.23 | 1.2 |
| Comparative example 3 | 1.9 | 1.4 | 0.36 | 3.0 |
| Comparative example 4 | 2.0 | 1.5 | 0.34 | 2.9 |
As can be seen from the above data, the micro emulsion diesel fuel of 1 ~ embodiment of embodiment 5 meets Europe V standards.
Other performance is tested：
It is rotten using GB/T265-1988, GB/T261-2008 and GB 5096-1985 difference tested viscosity, flash-point and copper sheet
Corrosion, as a result such as following table：
| Project | Viscosity（40℃）, mm2/s | Flash-point DEG C | Copper corrosion |
| Embodiment 1 | 3.6 | 65 | It is qualified |
| Embodiment 2 | 3.5 | 66 | It is qualified |
| Embodiment 3 | 3.7 | 67 | It is qualified |
| Embodiment 4 | 3.6 | 66 | It is qualified |
The other performance index of the micro emulsion diesel fuel of embodiment 1 ~ 4 meet existing standard requirement.
The wherein specific implementation of above-described embodiment only present invention, description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these obvious alternative forms are equal
It belongs to the scope of protection of the present invention.
Claims (2)
1. a kind of micro emulsion diesel fuel, which is characterized in that be made of each raw material components of following weight parts：
100 ~ 135 parts of diesel oil；
40 ~ 55 parts of water；
10 ~ 20 parts of methanol；
13 ~ 20 parts of composite emulsifier；
The composite emulsifier is made of following component：13 ~ 18 parts of cocoanut fatty acid diethanolamide, sorbitan fatty
2 ~ 5 parts of carboxylic ester, 3 ~ 7 parts of mannitol, 5 ~ 10 parts of Cocoamidopropyl betaine, 0.01 ~ 0.03 part of limonene；
The preparation process of the micro emulsion diesel fuel is as follows：Diesel oil, water, methanol are mixed according to proportioning and in 1500 ~ 2000rpm
Under conditions of stir, while air is continually fed into mixed liquor, air capacity is 20 ~ 30L per hour, and composite emulsifier is divided into
5 ~ 8 parts add in several times, and the time interval added in every time is 5 ~ 10min.
2. the micro emulsion diesel fuel stated according to right 1, which is characterized in that the air being passed through is passed through in the form of micron bubble.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155987.3A CN105695012B (en) | 2016-03-18 | 2016-03-18 | A kind of micro emulsion diesel fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155987.3A CN105695012B (en) | 2016-03-18 | 2016-03-18 | A kind of micro emulsion diesel fuel |
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| Publication Number | Publication Date |
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| CN105695012A CN105695012A (en) | 2016-06-22 |
| CN105695012B true CN105695012B (en) | 2018-05-25 |
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| CN201610155987.3A Active CN105695012B (en) | 2016-03-18 | 2016-03-18 | A kind of micro emulsion diesel fuel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108165301B (en) * | 2017-11-17 | 2020-12-25 | 南京尚易环保科技有限公司 | Water removing agent for diesel oil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428405A (en) * | 2001-12-27 | 2003-07-09 | 中国科学院力学研究所 | Emulsion containing diesel oil, alcohol and water and its preparation method |
| JP2010265334A (en) * | 2009-05-12 | 2010-11-25 | Pollars Laboratory Corp | Fuel oil, and dispersion-stabilizing agent for use for dissolution of water added in waste oil |
| CN104711055A (en) * | 2015-02-27 | 2015-06-17 | 上海纽孚尔能源技术有限公司 | Marine emulsified diesel oil |
-
2016
- 2016-03-18 CN CN201610155987.3A patent/CN105695012B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428405A (en) * | 2001-12-27 | 2003-07-09 | 中国科学院力学研究所 | Emulsion containing diesel oil, alcohol and water and its preparation method |
| JP2010265334A (en) * | 2009-05-12 | 2010-11-25 | Pollars Laboratory Corp | Fuel oil, and dispersion-stabilizing agent for use for dissolution of water added in waste oil |
| CN104711055A (en) * | 2015-02-27 | 2015-06-17 | 上海纽孚尔能源技术有限公司 | Marine emulsified diesel oil |
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