CN102839015B - Method for producing road asphalt from super heavy oil - Google Patents
Method for producing road asphalt from super heavy oil Download PDFInfo
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- CN102839015B CN102839015B CN201210347073.9A CN201210347073A CN102839015B CN 102839015 B CN102839015 B CN 102839015B CN 201210347073 A CN201210347073 A CN 201210347073A CN 102839015 B CN102839015 B CN 102839015B
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- oil
- liaohe
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- heavy oil
- wax
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 34
- 239000010426 asphalt Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000003921 oil Substances 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000003208 petroleum Substances 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000004227 thermal cracking Methods 0.000 claims abstract description 6
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 4
- 238000005194 fractionation Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005336 cracking Methods 0.000 claims description 6
- 238000005292 vacuum distillation Methods 0.000 claims description 4
- 238000004821 distillation Methods 0.000 description 18
- 239000010409 thin film Substances 0.000 description 13
- 238000009835 boiling Methods 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 7
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention relates to a method for producing road asphalt by using super heavy oil; the method is characterized in that: adding 5-20 m% petroleum component into Liaohe super heavy oil, carrying out thermal cracking reaction at 365-410 ℃ for 40-200 minutes, feeding the reaction product into a vacuum tower for vacuum fractionation, and controlling the cutting temperature of the vacuum fraction to be more than or equal to 410 ℃ to obtain tower bottom vacuum residue, namely qualified heavy traffic road petroleum asphalt series products; wherein the petroleum oil is one or more of atmospheric residue, vacuum wax oil or narrow fraction with the fraction range of 250-540 ℃ of low-wax heavy oil and wax oil generated in the thermal cracking process of Liaohe super heavy oil; the road petroleum asphalt product produced by the method meets the technical requirements of GB/T15180-2010.
Description
Technical field
The invention belongs to Petroleum Processing Technology field, relate to a kind of method of producing road asphaltum using super thick oil as raw material.
Background technology
Naphthenic base crude resource accounts for 2.2% left and right of world's crude oil reserves, low wax just more rare, and this class naphthenic base crude is to produce the various electric good raw materials with oil, low solidifying naphthenic lube oil and asphalt for high-grade highway.The Liaohe River high viscous crude that Liaohe Oil Field produces has just possessed this feature, and it is large (over 1000Kg/m that this crude oil has density
3), viscosity is large, acid number is high, colloid and asphalt content is high, carbon residue and metals content impurity high, the features such as wax content is low, in forming, crude oil contains hardly gasoline, only contain a small amount of diesel oil, the residual oil that is greater than 350 ℃ is more than 90m%, from this crude oil of oil property, should be the good raw material of producing road bitumen, but adopt traditional distillation method cannot produce the heavy traffic paving asphalt that meets GB/T15180-2010 standard, main existing problems are for flash-point is low, vaporization losses is large.For this problem, technology and patent that multiple super viscous crude is produced heavy traffic paving asphalt have been developed.
Liaohe River petro-chemical corporation utilizes the low solidifying viscous crude in Liaohe extra-heavy oil and the Liaohe River to mix, and adopts distillation method to produce qualified heavy traffic paving asphalt series product.But this technique has reduced the yield of the low solidifying viscous crude thick oil in the Liaohe River, affect the overall economic efficiency of low solidifying viscous crude crude oil processing.
Adopt heavy grease to extract gilsonite that oil and super viscous crude distillation produce out and be in harmonious proportion and can produce qualified heavy traffic paving asphalt product, but to extract oily cost out high due to heavy grease, and this component is also more rare, can affect equally the overall economic efficiency of crude oil processing.
Patent CN 101676365A discloses a kind of method of directly producing road asphalt by mild cracking super-heavy crude oil, and the method enters dehydration tower by high viscous crude after interchanger heating, after dehydration tower is isolated a small amount of moisture gasoline, enters into process furnace; Through process furnace, be heated to after 380-430 ℃, enter shallow degree cracking case, stop 20-120min in reactor, after the shallow degree cracking of control high viscous crude, 100 ℃ of viscosity are at 100-600mm
2/ s.Then enter distillation tower, control temperature and isolate after gasoline, diesel oil and gas oil at 410-430 ℃, be met the heavy traffic paving asphalt that GB/T15180 requires.Although AH-70, the AH-90, the AH-110 that utilize this technology to produce meet GB requirement, but still it is bigger than normal to exist vaporization losses, thereby affect the quality of asphaltic products..
Therefore, be badly in need of exploitation Liaohe extra-heavy oil and produce oil road bitumen series product technology, the quality that further improves asphaltic products. on prior art basis meets the demand of production & marketing.
Summary of the invention
(density surpasses 1000Kg/m to the object of this invention is to provide a kind of super viscous crude
3) method of producing oil road bitumen, on prior art basis, further reduce the vaporization losses of pitch, improve the quality of asphaltic products., to meet the needs of national economy high speed development.
Theoretical foundation of the present invention is, in super viscous crude, add a kind of petroleum component, the colloidal dispersion that colloid in super viscous crude, bituminous matter etc. are formed is more stable, utilize this raw material to carry out thermally splitting, under identical thermally splitting condition, can make content minimizing, the light constituent of the pitch studies on asphaltene of cracked oil production increase, thereby can reach the cutting temperature that improves pitch, reduce pitch vaporization losses, improve the object of asphalt quality.
The method of producing road asphaltum using super thick oil as raw material of the present invention is characterized in that: in Liaohe extra-heavy oil, add a kind of petroleum component, carry out appropriate heat cracking reaction under certain condition, reaction product enters vacuum distillation tower and carries out vacuum fractionation, control the cutting scheme of reduced pressure distillate, obtain vacuum residuum at the bottom of different towers, be qualified heavy traffic paving asphalt series product.
Wherein petroleum component is one or more in the wax oil producing in wax oil between 250-540 ℃ of the long residuum, vacuum residuum, cut scope of low wax viscous crude or narrow fraction and this Liaohe extra-heavy oil thermal cracking process.
The add-on of wherein said petroleum component is 5-20m%, and heat cracking reaction temperature is 365-410 ℃, and the reaction times is 40-200 minutes.
Wherein said decompression cutting temperature is for being more than or equal to 410 ℃, and vacuum residuum is the road bitumen product that will produce.
The oil road bitumen product that Liaohe extra-heavy oil adopts the method to produce meets GB/T15180-2010 technical requirements.
Accompanying drawing explanation
Accompanying drawing is the process flow sheet of producing road asphaltum using super thick oil as raw material,
Wherein: 1, Liaohe extra-heavy oil; 2, petroleum component; 3, thermal cracking reactor; 4, vacuum distillation tower; 5, subtract top light gas oil gas; 6, vacuum gas oil; 7, oil road bitumen.
Embodiment
Super viscous crude of the present invention is produced the method for bi tumenf orr oad, Liaohe extra-heavy oil 1 mixes with petroleum component 2, petroleum component 2 accounts for 5-20m% in mixing oil, it is under condition, to react for 40-200 minutes in 365-410 ℃ of temperature, time that mixing oil enters thermal cracking reactor 3, reaction product enters vacuum distillation tower 4 and carries out vacuum fractionation, control the cutting temperature of reduced pressure distillate for being more than or equal to 410 ℃, obtain respectively subtracting top light gas oil gas 5, vacuum gas oil 6, tower at the bottom of vacuum residuum 7 be the heavy traffic oil road bitumen product that meets GB/T15180-2010 technical requirements.
The low wax viscous crude of several typical cases normal pressure, vacuum residuum, wax oil properties sees the following form.
The long residuum that adds a certain amount of low wax viscous crude in embodiment 1 Liaohe extra-heavy oil
The long residuum a, the b that in Liaohe extra-heavy oil, add respectively the low wax viscous crude of 10m%, 5m%, in laboratory, carry out lab scale test, temperature of reaction is respectively 380 ℃, 100 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, its character meets the AH-90 technical requirements of GB/T15180-2010, and wherein in Thin Film Oven Test TFOT, quality change is respectively 0.15m%, 0.23m%.
Contrast 1: in the Thin Film Oven Test TFOT of the AH-70 pitch that Liaohe extra-heavy oil straight run distillation obtains, quality change is 1.31m%; In Liaohe extra-heavy oil, adding quality change in the Thin Film Oven Test TFOT of the AH-70 pitch that the long residuum a straight run distillation of the low wax viscous crude of 10m% obtains is 1.22m%; Liaohe extra-heavy oil is 380 ℃ in temperature of reaction, and 100 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, and its character meets the AH-90 technical requirements of GB/T15180-2010, but in Thin Film Oven Test TFOT, quality change is 0.79m%.
The vacuum residuum that adds a certain amount of low wax viscous crude in embodiment 2 Liaohe extra-heavy oils
The vacuum residuum c, d(character that adds respectively the low wax viscous crude of 8m%, 20m% in Liaohe extra-heavy oil in Table), in laboratory, carry out lab scale test, temperature of reaction is 365 ℃, 200 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein in Thin Film Oven Test TFOT, quality change AH-70 is 0.10m%, 0.09m%; AH-90 is respectively 0.17m%, 0.13m%.
Contrast 2: in the Thin Film Oven Test TFOT of the AH-70 pitch that Liaohe extra-heavy oil straight run distillation obtains, quality change is 1.31m%; Liaohe extra-heavy oil is 365 ℃ in temperature of reaction, 200 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, and its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, but in Thin Film Oven Test TFOT, quality change is respectively 0.77m%, 0.84m%.
The decompressed wax oil that adds a certain amount of low wax viscous crude in embodiment 3 Liaohe extra-heavy oils
The subtracting two, subtract three line distillates of low wax viscous crude (character in Table) that adds respectively 6m%, 12m% in Liaohe extra-heavy oil, in laboratory, carry out lab scale test, temperature of reaction is 410 ℃, 40 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein in Thin Film Oven Test TFOT, quality change AH-70 is respectively 0.05m%, 0.04m%; AH-90 is respectively 0.08m%, 0.07m%.
Contrast 3: in the Thin Film Oven Test TFOT of the AH-70 pitch that Liaohe extra-heavy oil straight run distillation obtains, quality change is 1.31m%; Liaohe extra-heavy oil is 410 ℃ in temperature of reaction, 40 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, and its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, but in Thin Film Oven Test TFOT, quality change is respectively 0.72m%, 0.81m%.
The decompressed wax oil that adds a certain amount of Liaohe extra-heavy oil thermally splitting in embodiment 4 Liaohe extra-heavy oils
The shallow degree thermally splitting of the Liaohe extra-heavy oil second line of distillation wax oil (character in Table) that adds 11m% in Liaohe extra-heavy oil, in laboratory, carry out lab scale test, temperature of reaction is 410 ℃, 40 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, and wherein in Thin Film Oven Test TFOT, quality change is respectively 0.06m%, 0.10m%.
Contrast 4: in the Thin Film Oven Test TFOT of the AH-70 pitch that Liaohe extra-heavy oil straight run distillation obtains, quality change is 1.31m%; Liaohe extra-heavy oil is 410 ℃ in temperature of reaction, 40 minutes residence time, the generation oil obtaining carries out true boiling point distillation and obtains pitch, and its character meets AH-70, the AH-90 technical requirements of GB/T15180-2010, but in Thin Film Oven Test TFOT, quality change is respectively 0.72m%, 0.81m%.
Low wax viscous crude long residuum character
Low wax viscous crude Vacuum Residue Properties
Low wax viscous crude wax oil and the shallow degree thermally splitting of viscous crude wax oil character
Example 1 petroleum component is low wax viscous crude long residuum
Example 2 petroleum components are low wax viscous crude vacuum residuum
Example 3 petroleum components are low wax viscous crude decompressed wax oil
Example 4 petroleum components are the wax oil of Liaohe extra-heavy oil thermally splitting
Attached: the specification requirement of GB/T15180-2010 heavy traffic paving asphalt
Claims (1)
1. the method for a producing road asphaltum using super thick oil as raw material, it is characterized in that: the petroleum component that adds quality 5-20m% in Liaohe extra-heavy oil, in 365-410 ℃ of temperature, time, be under 40-200 minutes conditions, to carry out heat cracking reaction, reaction product enters vacuum distillation tower and carries out vacuum fractionation, control the cutting temperature of reduced pressure distillate for being more than or equal to 410 ℃, obtain vacuum residuum at the bottom of tower, be qualified heavy traffic paving asphalt series product;
Wherein petroleum component is one or more in the wax oil producing in wax oil between 250-540 ℃ of the long residuum, vacuum residuum, cut scope of low wax viscous crude or narrow fraction and this Liaohe extra-heavy oil thermal cracking process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347073.9A CN102839015B (en) | 2012-09-18 | 2012-09-18 | Method for producing road asphalt from super heavy oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347073.9A CN102839015B (en) | 2012-09-18 | 2012-09-18 | Method for producing road asphalt from super heavy oil |
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| Publication Number | Publication Date |
|---|---|
| CN102839015A CN102839015A (en) | 2012-12-26 |
| CN102839015B true CN102839015B (en) | 2014-10-15 |
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| CN201210347073.9A Active CN102839015B (en) | 2012-09-18 | 2012-09-18 | Method for producing road asphalt from super heavy oil |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231308A (en) * | 1998-04-07 | 1999-10-13 | 中国石油化工总公司 | Method for producing road asphalt with improved ageing resistance |
| JP2007176988A (en) * | 2005-12-27 | 2007-07-12 | Nippon Oil Corp | Method of manufacturing paving asphalt and paving asphalt obtained thereby |
| CN101457023A (en) * | 2007-12-12 | 2009-06-17 | 中国石油天然气股份有限公司 | Method for preparing polymer modified asphalt by one-step method |
| CN101676365A (en) * | 2008-09-18 | 2010-03-24 | 中国石油天然气股份有限公司 | Method for directly producing road asphalt by shallow cracking of super-thick crude oil |
-
2012
- 2012-09-18 CN CN201210347073.9A patent/CN102839015B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231308A (en) * | 1998-04-07 | 1999-10-13 | 中国石油化工总公司 | Method for producing road asphalt with improved ageing resistance |
| JP2007176988A (en) * | 2005-12-27 | 2007-07-12 | Nippon Oil Corp | Method of manufacturing paving asphalt and paving asphalt obtained thereby |
| CN101457023A (en) * | 2007-12-12 | 2009-06-17 | 中国石油天然气股份有限公司 | Method for preparing polymer modified asphalt by one-step method |
| CN101676365A (en) * | 2008-09-18 | 2010-03-24 | 中国石油天然气股份有限公司 | Method for directly producing road asphalt by shallow cracking of super-thick crude oil |
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| CN102839015A (en) | 2012-12-26 |
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