CN105219452A - A kind of ternary composite type biofuel with low-temperature fluidity and preparation method thereof - Google Patents
A kind of ternary composite type biofuel with low-temperature fluidity and preparation method thereof Download PDFInfo
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Abstract
A kind of ternary composite type biofuel with low-temperature fluidity of the present invention, by volume number calculates, and is mixed by 5-40 part trench oil base biofuel, 5-40 part 0# petrifaction diesel, 60-90 part direct liquefying diesel oil of coal.Present invention also offers the preparation method of above-mentioned ternary composite type biofuel, by mixing and stirring under biofuel, petrifaction diesel and direct liquefying diesel oil of coal normal temperature and pressure, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the composite biodiesel of low-temperature fluidity must be had.Composite biodiesel low-temperature performance of the present invention is remarkable, allocation process is simply efficient, non-environmental-pollution, diesel engine can be directly used in and process without the need to other, compare pure trench oil base biofuel, its cloud point, cold filter clogging temperature and pour point reduce 15-36 DEG C, 15-38 DEG C and 21-43 DEG C respectively, can meet all kinds of diesel car and normally work at low ambient temperatures.
Description
Technical field
The invention belongs to chemical field, relate to a kind of biofuel, specifically a kind of ternary composite type biofuel with low-temperature fluidity and preparation method thereof.
Background technology
Biofuel is, by various animal-plant oil, sewer oil, frying wet goods and low-carbon alcohol (methyl alcohol, ethanol etc.), a kind of hybrid long chain fatty acid ester that transesterification reaction is prepared into occurs.Biofuel leading indicator and petrifaction diesel basically identical, splendid with diesel oil intermiscibility, can be used in combination with arbitrary proportion with diesel oil, can directly add use and without the need to transforming diesel engine.In addition, it also has good security and oilness, environmental friendliness, easily degraded, wide material sources, renewable, suitability wide, high efficiency, be that " People's Republic of China's energy law " clearly proposes, the renewable green energy resource of national encourage growth, have market competition advantage.Its comprehensive utilization can produce huge social benefit, economic benefit and ecological benefits.
Poor low-temperature fluidity is the obstacle of the restriction popularization of biofuel and the maximum of use.The existence of polyunsaturated fatty acid ester, makes biofuel can separate out a large amount of wax crystalline substance at low temperatures.Wax crystalline phase bonds mutually, in tridimensional network, biofuel is lost flowability, the transition pipeline of blocking diesel engine and strainer, causes stopping working and maybe cannot light phenomenon.The improvement of biodiesel lower-temperature fluidity becomes our task of top priority.
At present, the method improving biodiesel lower-temperature fluidity both at home and abroad mainly contains: the isomerization of (I) biofuel, namely changes the structure of biofuel; The process of (II) winterization, namely cools the process of the crystallizations such as the glyceryl ester making zero pour higher; (III) adds low temperature flow promoter; (IV) adds refined diesel oil and is in harmonious proportion.Comparatively speaking, the operation that fossil diesel fuel is in harmonious proportion is the simplest, can be used in combination with arbitrary proportion with biofuel, and its key is to select correct mixed oil and accord method.
Direct liquefying diesel oil of coal be coal at high temperature under high pressure, the coal liquifaction of shortening direct liquefaction gained.There is unrivaled low-temperature fluidity, effectively can improve the low-temperature fluidity of trench oil base biofuel.Direct liquefying diesel oil of coal can add in biofuel jointly with petrifaction diesel, form ternary composite type biofuel, both the problem of biodiesel lower-temperature fluidity difference had been effectively improved, improve the cetane value of coal liquifaction simultaneously, the relative merits of three kinds of diesel oil are made to obtain sufficient complementation, simple and quick.Compare binary to be in harmonious proportion, improvement effect is more remarkable.Therefore, based on coal resources and the abundant biofuel raw materials of China's abundant, direct liquefying diesel oil of coal, biofuel, common fossil diesel fuel ternary composite type biofuel be a kind of excellent performance, have the green environment protective biological energy compared with practical prospect.
Summary of the invention
For above-mentioned technical problem of the prior art, the invention provides a kind of ternary composite type biofuel with low-temperature fluidity and preparation method thereof, described this ternary composite type biofuel with low-temperature fluidity and preparation method thereof solves the technical problem of biodiesel lower-temperature fluidity difference of the prior art.
The invention provides a kind of ternary composite type biofuel with low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 5-40 part,
Ordinary petroleum diesel oil 5-40 part,
Direct liquefying diesel oil of coal 60-90 part,
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Further, by volume number calculate, its raw material composition and content as follows:
Biofuel 5 parts,
Ordinary petroleum diesel oil 5 parts,
Direct liquefying diesel oil of coal 90 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 80 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 15 parts,
Ordinary petroleum diesel oil 5 parts,
Direct liquefying diesel oil of coal 80 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 20 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 70 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 20 parts,
Direct liquefying diesel oil of coal 70 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 30 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 60 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 20 parts,
Ordinary petroleum diesel oil 20 parts,
Direct liquefying diesel oil of coal 60 parts.
Further, calculate by by volume number, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 30 parts,
Direct liquefying diesel oil of coal 60 parts.
Present invention also offers above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal is measured according to volume parts, at normal temperatures and pressures biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal are mixed, ultrasonic disperse 20-30min on processor for ultrasonic wave, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Concrete, described trench oil base biofuel, 0# petrifaction diesel ordinary petroleum diesel oil, direct liquefying diesel oil of coal all have national standard, and what the present invention adopted is commercially available prod, does not repeat them here.
The present invention mainly uses the petrifaction diesel of direct liquefying diesel oil of coal and trench oil base biofuel and small amount.Make full use of coal resources and the biofuel raw materials of direct liquefying diesel oil of coal and the good low-temperature performance of petrifaction diesel and China's abundant, response country " 12 " develops the call of green energy resource in the works, and then provides a kind of ternary composite type biofuel with low-temperature fluidity.The present invention utilizes sewer oil biofuel can with ordinary petroleum diesel oil and direct liquefying diesel oil of coal with the miscible characteristic of arbitrary proportion, give full play to the good low temperature performance of direct liquefying diesel oil of coal and petrifaction diesel to improve the problem of biodiesel lower-temperature fluidity difference, method is simple, swift to operate, comparing binary, to be in harmonious proportion effect more remarkable, and gained ternary composite type Status of Low-Temperature Fluidity of Biodiesel is far above pure biofuel.
A kind of ternary composite type biofuel with low-temperature fluidity of the present invention, because petrifaction diesel and direct liquefying diesel oil of coal have remarkable low-temperature fluidity, the deficiency of biofuel in low-temperature performance can be made up well, the two proportion improves, and cloud point, cold filter clogging temperature and pour point all have remarkable reduction.And adding of a certain amount of petrifaction diesel can form good synergy with direct liquefying diesel oil of coal, thus strengthen the improvement effect of biodiesel lower-temperature fluidity further.
The present invention compares with prior art, and its technical progress is significant.The composite biodiesel low-temperature performance brilliance with low-temperature fluidity of the present invention, allocation process is simply efficient, and non-environmental-pollution can be directly used in diesel engine and process without the need to other.Compare pure trench oil base biofuel, its cloud point, cold filter clogging temperature and pour point reduce 15-36 DEG C, 15-38 DEG C and 21-43 DEG C respectively, therefore there is remarkable low-temperature fluidity, outstanding depression effeCt, other properties all can reach national standard, can meet all kinds of diesel car and normally work at low ambient temperatures.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described, but the present invention is not limited to following embodiment.
In the present invention, the measuring method of cloud point is carried out according to " GB/T6986-2014 petroleum products cloud point mensuration ", the measuring method of cold filter clogging temperature is carried out according to " SH/T0248-2006 diesel oil and domestic heating oil cold filter clogging temperature assay method ", and the measuring method of pour point is carried out according to " standard test methods of ASTMD97-2009 petroleum products pour point ".
The present invention is raw materials used:
Trench oil base biofuel is purchased from upper marine device environmental protection company limited;
Petrochemical industry 0# diesel oil is purchased from Spring in Pig House of Shanghai Fengxian south bridge service station;
Direct liquefying diesel oil of coal is purchased from China Shenhua Coal to Liquid and Chemical Co., Ltd.;
embodiment 1
There is a ternary composite type biofuel for low-temperature fluidity, by biofuel, general
Logical petrifaction diesel and direct liquefying diesel oil of coal mix, and by volume number calculates, its raw material group
Become and content as follows:
Biofuel 5 parts
Ordinary petroleum diesel oil 5 parts
Direct liquefying diesel oil of coal 90 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 35 DEG C, 38 DEG C and 43 DEG C respectively.
comparative examples 1
There is a binary composite biodiesel for low-temperature fluidity, mixed by biofuel and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Trench oil base biofuel 5 parts
Direct liquefying diesel oil of coal 95 parts.
Above-mentioned a kind of preparation method with the binary composite biodiesel of low-temperature fluidity, step is as follows:
By biofuel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the binary composite biodiesel of low-temperature fluidity must be had.
Above-mentioned comparative examples 1 gained after tested a kind of has the cold filter clogging temperature of the binary composite biodiesel of low-temperature fluidity, condensation point and pour point and reduces by 31 DEG C, 31 DEG C and 44 DEG C respectively.
Contrasted by above-described embodiment and Application Example 1, can find out that adding of a certain amount of petrifaction diesel can form good synergy with direct liquefying diesel oil of coal, thus strengthen the improvement effect of biodiesel lower-temperature fluidity further.
embodiment 2
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 10 parts
Ordinary petroleum diesel oil 10 parts
Direct liquefying diesel oil of coal 80 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 28 DEG C, 30 DEG C and 40 DEG C respectively.
comparative examples 2
There is a binary composite biodiesel for low-temperature fluidity, mixed by biofuel and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Trench oil base biofuel 10 parts
Direct liquefying diesel oil of coal 90 parts.
Above-mentioned a kind of preparation method with the binary composite biodiesel of low-temperature fluidity, step is as follows:
By biofuel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the binary composite biodiesel of low-temperature fluidity must be had.
Above-mentioned comparative examples 2 gained after tested a kind of has the cold filter clogging temperature of the binary composite biodiesel of low-temperature fluidity, condensation point and pour point and reduces by 26 DEG C, 27 DEG C and 39 DEG C respectively.
Contrasted by above-described embodiment and Application Example 2, can find out that adding of a certain amount of petrifaction diesel can form good synergy with direct liquefying diesel oil of coal, thus strengthen the improvement effect of biodiesel lower-temperature fluidity further.
embodiment 3
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 15 parts
Ordinary petroleum diesel oil 15 parts
Direct liquefying diesel oil of coal 80 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 23 DEG C, 25 DEG C and 38 DEG C respectively.
embodiment 4
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 20 parts
Ordinary petroleum diesel oil 10 parts
Direct liquefying diesel oil of coal 70 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 17 DEG C, 22 DEG C and 26 DEG C respectively.
embodiment 5
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 10 parts
Ordinary petroleum diesel oil 20 parts
Direct liquefying diesel oil of coal 70 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 26 DEG C, 30 DEG C and 37 DEG C respectively.
embodiment 6
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 30 parts
Ordinary petroleum diesel oil 10 parts
Direct liquefying diesel oil of coal 60 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 15 DEG C, 15 DEG C and 21 DEG C respectively.
embodiment 7
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 20 parts
Ordinary petroleum diesel oil 20 parts
Direct liquefying diesel oil of coal 60 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 18 DEG C, 19 DEG C and 23 DEG C respectively.
embodiment 8
There is a ternary composite type biofuel for low-temperature fluidity, mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 10 parts
Ordinary petroleum diesel oil 30 parts
Direct liquefying diesel oil of coal 60 parts
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
Above-mentioned a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity, step is as follows:
By biofuel, petrifaction diesel and direct liquefying diesel oil of coal mixing and stirring under room temperature, and on processor for ultrasonic wave ultrasonic disperse 20-30min, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
Gained after tested a kind of has the cold filter clogging temperature of the ternary composite type biofuel of low-temperature fluidity, condensation point and pour point and reduces by 23 DEG C, 25 DEG C and 32 DEG C respectively.
In sum, a kind of ternary composite type biofuel with low-temperature fluidity of the present invention, in this ternary composite type biofuel, direct liquefying diesel oil of coal has remarkable low-temperature fluidity, the deficiency of biofuel in low-temperature performance can be made up well, the two proportion improves, and cloud point, cold filter clogging temperature and pour point all have remarkable reduction.And adding of a certain amount of petrifaction diesel can form good synergy with direct liquefying diesel oil of coal, thus strengthen the improvement effect of biodiesel lower-temperature fluidity further.Compare pure trench oil base biofuel, cloud point reduces 15-36 DEG C, cold filter clogging temperature 15-38 DEG C, pour point 21-43 DEG C.Therefore there is outstanding low-temperature fluidity, outstanding depression effeCt, higher feasibility.
Foregoing be only the present invention conceive under basic explanation, and according to any equivalent transformation that technical scheme of the present invention is done, all should protection scope of the present invention be belonged to.
Claims (10)
1. there is a ternary composite type biofuel for low-temperature fluidity, it is characterized in that: mixed by biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal, by volume number calculate, its raw material composition and content as follows:
Biofuel 5-40 part,
Ordinary petroleum diesel oil 5-40 part,
Direct liquefying diesel oil of coal 60-90 part,
Wherein, described biofuel is trench oil base biofuel, and ordinary petroleum diesel oil is 0# petrifaction diesel.
2. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 5 parts,
Ordinary petroleum diesel oil 5 parts,
Direct liquefying diesel oil of coal 90 parts.
3. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 80 parts.
4. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 15 parts,
Ordinary petroleum diesel oil 5 parts,
Direct liquefying diesel oil of coal 80 parts.
5. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 20 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 70 parts.
6. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 20 parts,
Direct liquefying diesel oil of coal 70 parts.
7. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 30 parts,
Ordinary petroleum diesel oil 10 parts,
Direct liquefying diesel oil of coal 60 parts.
8. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 20 parts,
Ordinary petroleum diesel oil 20 parts,
Direct liquefying diesel oil of coal 60 parts.
9. a kind of ternary composite type biofuel with low-temperature fluidity as claimed in claim 1, is characterized in that: by volume number calculates, its raw material composition and content as follows:
Biofuel 10 parts,
Ordinary petroleum diesel oil 30 parts,
Direct liquefying diesel oil of coal 60 parts.
10. arbitrary described a kind of preparation method with the ternary composite type biofuel of low-temperature fluidity in claim 1-9, it is characterized in that: measure biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal according to volume parts, at normal temperatures and pressures biofuel, ordinary petroleum diesel oil and direct liquefying diesel oil of coal are mixed, ultrasonic disperse 20-30min on processor for ultrasonic wave, leave standstill 3-5 hour, the ternary composite type biofuel of low-temperature fluidity must be had.
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Application publication date: 20160106 |