CN105368081A - NO.90 asphalt and manufacturing method thereof - Google Patents
NO.90 asphalt and manufacturing method thereof Download PDFInfo
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- CN105368081A CN105368081A CN201510833772.8A CN201510833772A CN105368081A CN 105368081 A CN105368081 A CN 105368081A CN 201510833772 A CN201510833772 A CN 201510833772A CN 105368081 A CN105368081 A CN 105368081A
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Abstract
The invention discloses NO.90 asphalt and a manufacturing method thereof. The NO.90 asphalt includes the raw materials: Boscan crude oil and Merey-16 crude oil with the weight ratio of (30%-50%) to (50%-70%). The NO.90 asphalt has the advantages of good high temperature performance, good low temperature performance, strong anti-rutting ability, strong anti-fatigue ability, strong anti-aging performance, large dynamic viscosity, large low-temperature ductility, good adhesion with stone, and low wax content, has stable production raw materials so as to promote stable product performance, has strong climatic suitable ability, and is especially suitable for use in high-temperature and rainy regions.
Description
Technical field
The invention belongs to field of bitumen technology, specifically, relate to a kind of No. 90 pitches and manufacture method thereof.
Background technology
The label of pitch divides according to penetration grade.Penetration degree is less, and pitch is harder, is not easy to feel like jelly, is suitable for southern area in summer high temperature situation, as No. 50 pitches, and No. 70 pitches; Penetration degree is larger, and pitch is softer, is not easy cracking, is suitable for northern area, as No. 90, No. 110 pitches under low temperature condition.
No. 90 pitches, refer to that its penetration degree is between 80-1000.1mm, No. 90 A level asphalt performances are superior, benign climate ability is strong, can apply in area throughout the country, each standard highway such as motorway uses, and is applicable to any occasion and level road surface, actually be mainly used in layer road surface, upper, middle and lower, can be used as the high quality raw material of modifying asphalt simultaneously.
But existing pitch No. 90 pitches, all technical has just reached No. 90 A level asphaltic products.es meeting the Ministry of Communications's standard (" JTGF40-2004 standard specification for construction and acceptance of highway asphalt pavement "), and ageing resistance is poor, benign climate ability.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, provide a kind of No. 90 pitches and manufacture method thereof, possess good high-temperature behavior and low-temperature performance, anti-fatigue ability is strong, and ageing resistance is good, kinetic viscosity is large, low-temperature ductility is large, good with building stones adhesivity, the advantage that wax content is low, the stable product performance of impelling of raw materials for production are stablized, and benign climate ability is strong.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of No. 90 pitches, comprise raw material: weight ratio is Persian bank crude oil and Ma Rui-16 crude oil of 30% ~ 50%:50% ~ 70%.
Also add the Graphene of described pitch weight 1-3%.
A manufacture method for No. 90 pitches, comprises the following steps:
1) heat-exchange system heat exchange is delivered to through crude oil pump pressurization;
2) enter electrical desalter and carry out desalination, dehydration;
3) primary tower fractionation is entered after de-rear crude oil continues heat exchange after pressurization;
4) just push up oily vapour to distillate through fore-running tower top, the oil of the first end bottom primary tower enters after atmospheric pressure kiln heating through pump pressurization and enters atmospheric tower fractionation;
5) normal top oil distillates through Atmospheric Tower, and atmospheric side draw oil product distillates through atmospheric tower side line, and oil of the normal end enters after vacuum furnace heating through pump pressurization and enters vacuum distillation tower fractionation;
6) subtract oily the vacuumizing through Top of Vacuum Tower in top to distillate, decompression sideline product distillates through vacuum distillation tower side line, subtracting end oil and pitch after pump pressurization, carrying device after heat exchange, cooling, obtaining No. 90 pitches by controlling vacuum furnace furnace temperature, Top of Vacuum Tower vacuum tightness and asphaltic products. penetration degree.
Further, the feeding temperature of described primary tower is 184 DEG C, tower top pressure 11.95kPa, tower top 96 DEG C, column bottom temperature 185 DEG C.
Further, the feeding temperature of described atmospheric pressure kiln is 185 DEG C, and general export temperature is 335 DEG C, burner hearth barricade temperature is 730 DEG C, and upper furnace temperature is 675 DEG C, and lower furnace portion temperature is 592 DEG C, flue-gas temperature is 189 DEG C, combustion chamber draft-52 DEG C, and entering stove hot blast temperature is 176 DEG C.
Further, the feeding temperature of described atmospheric tower is 335 DEG C, and tower top pressure is 9.8kPa, and tower top temperature is 104 DEG C.
Further, the feeding temperature of described vacuum distillation tower is 348 DEG C, and vacuum tightness is 92.8kpa, and negative pressure at the bottom of tower is-0.099kPa, and tower top temperature is 44 DEG C, column bottom temperature 342 DEG C.
Further, the feeding temperature of described vacuum furnace is 332 DEG C, and temperature out is 348 DEG C, burner hearth barricade temperature 902 DEG C, and burner hearth middle portion temperature 627 DEG C enters vacuum furnace hot blast temperature 138 DEG C, combustion chamber draft-54 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
No. 90 A level road bitumens prepared by Venezuela of the present invention heavy feed stock, superior performance, be suitable for low temp area to use, each standard highway such as motorway uses, be applicable to any occasion and road surface, level road surface, in fact be mainly used in layer road surface, upper, middle and lower, can be used as the raw material of modifying asphalt, the raw material that also can be used as emulsified bitumen is applied to permeable layers and sealing.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention, in the accompanying drawings:
Fig. 1 is the manufacturing process structure iron of a kind of No. 90 pitches of the present invention.
In figure, 1---single stage desalting tank; 2---secondary desalter;
3---primary tower; 4---atmospheric pressure kiln;
5---atmospheric tower; 6---vacuum furnace;
7---vacuum distillation tower.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
A kind of No. 90 pitches of the present invention, comprise raw material: weight ratio is: the Persian bank crude oil of 36%:54%:10% and Ma Rui-16 crude oil: heavy feed stock component, also add the Graphene of pitch weight 2% simultaneously, make pitch high comprehensive performance, extend the work-ing life of pitch.
As shown in Figure 1, a kind of manufacture method of No. 90 pitches, comprises the following steps:
1) heat-exchange system heat exchange is delivered to through crude oil pump pressurization;
2) enter electrical desalter and carry out desalination, dehydration, electrical desalter comprises single stage desalting tank 1 and secondary desalter 2;
3) primary tower 3 fractionation is entered after de-rear crude oil continues heat exchange after pressurization;
4) just push up oily vapour to distillate through primary tower 3 top, the oil of the first end bottom primary tower 3 enters after atmospheric pressure kiln heating through pump pressurization and enters atmospheric tower 5 fractionation;
5) normal top oil distillates through atmospheric tower 5 top, and atmospheric side draw oil product distillates through atmospheric tower 5 side line, and oil of the normal end enters after vacuum furnace 6 heats through pump pressurization and enters vacuum distillation tower 7 fractionation;
6) subtract oily the vacuumizing through vacuum distillation tower 7 top in top to distillate, decompression sideline product distillates through vacuum distillation tower 7 side line, subtracting end oil and pitch after pump pressurization, carrying device after heat exchange, cooling, obtaining No. 90 pitches by controlling vacuum furnace 6 furnace temperature, the serious reciprocal of duty cycle of vacuum distillation tower 7 and asphaltic products. penetration degree.
The feeding temperature of primary tower 3 is 184 DEG C, tower top pressure 11.95kPa, tower top 96 DEG C, column bottom temperature 185 DEG C.
The feeding temperature of atmospheric pressure kiln 4 is 185 DEG C, and general export temperature is 335 DEG C, and burner hearth barricade temperature is 730 DEG C, and upper furnace temperature is 675 DEG C, and lower furnace portion temperature is 592 DEG C, and flue-gas temperature is 189 DEG C, combustion chamber draft-52 DEG C, and entering stove hot blast temperature is 176 DEG C.
The feeding temperature of atmospheric tower 5 is 335 DEG C, and tower top pressure is 9.8kPa, and tower top temperature is 104 DEG C.
The feeding temperature of vacuum distillation tower 7 is 348 DEG C, and vacuum tightness is 92.8kpa, and negative pressure at the bottom of tower is-0.099kPa, and tower top temperature is 44 DEG C, column bottom temperature 342 DEG C.
The feeding temperature of vacuum furnace 6 is 332 DEG C, and temperature out is 348 DEG C, burner hearth barricade temperature 902 DEG C, and burner hearth middle portion temperature 627 DEG C enters vacuum furnace 6 hot blast temperature 138 DEG C, combustion chamber draft-54 DEG C.
No. 90 road bitumens are obtained through above-mentioned specific temperature and pressure, be suitable for low temp area to use, each standard highway such as motorway uses, be applicable to any occasion and road surface, level road surface, in fact layer road surface, upper, middle and lower is mainly used in, can be used as the raw material of modifying asphalt, the raw material that also can be used as emulsified bitumen is applied to permeable layers and sealing.
No. 90 A level asphaltic products. technical indicators
| Project | Quality index |
| Penetration degree (25 DEG C, 100g, 5s), 1/10mm | 80～100 |
| Penetrative index PI | -1.5～+1.0 |
| Softening temperature (R&B), DEG C | ≥45 |
| Ductility (15 DEG C), cm | ≥100 |
| Ductility (10 DEG C), cm | ≥45 |
| Kinetic viscosity (60 DEG C), Pa.s | ≥160 |
| Flash-point (opening), DEG C | ≥245 |
| Density (15 DEG C), kg/ | Actual observation record |
| Solubleness, % | ≥99.5 |
| Wax content, % | ≤2.2 |
| Thin Film Oven Test TFOT (163 DEG C, 5h), quality change, % | ±0.8 |
| Thin Film Oven Test TFOT (163 DEG C, 5h), penetration ratio, % | ≥57 |
| Thin Film Oven Test TFOT (163 DEG C, 5h), ductility 15 DEG C, cm | ≥20 |
| Thin Film Oven Test TFOT (163 DEG C, 5h), ductility 10 DEG C, cm | ≥8 |
Last it is noted that these are only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. No. 90 pitches, is characterized in that, comprise raw material: weight ratio is Persian bank crude oil and Ma Rui-16 crude oil of 30% ~ 50%:50% ~ 70%.
2. a kind of No. 90 pitches according to claim 1, is characterized in that, also add the Graphene of described pitch weight 1-3%.
3. the manufacture method of a kind of No. 90 pitches according to claim 1, is characterized in that, comprise the following steps:
1) heat-exchange system heat exchange is delivered to through crude oil pump pressurization;
2) enter electrical desalter and carry out desalination, dehydration;
3) primary tower fractionation is entered after de-rear crude oil continues heat exchange after pressurization;
4) just push up oily vapour to distillate through fore-running tower top, the oil of the first end bottom primary tower enters after atmospheric pressure kiln heating through pump pressurization and enters atmospheric tower fractionation;
5) normal top oil distillates through Atmospheric Tower, and atmospheric side draw oil product distillates through atmospheric tower side line, and oil of the normal end enters after vacuum furnace heating through pump pressurization and enters vacuum distillation tower fractionation;
6) subtract oily the vacuumizing through Top of Vacuum Tower in top to distillate, decompression sideline product distillates through vacuum distillation tower side line, subtracting end oil and pitch after pump pressurization, carrying device after heat exchange, cooling, obtaining No. 90 pitches by controlling vacuum furnace furnace temperature, Top of Vacuum Tower vacuum tightness and asphaltic products. penetration degree.
4. the manufacture method of a kind of No. 90 pitches according to claim 3, it is characterized in that, the feeding temperature of described primary tower is 184 DEG C, tower top pressure 11.95kPa, tower top 96 DEG C, column bottom temperature 185 DEG C.
5. the manufacture method of a kind of No. 90 pitches according to claim 3, it is characterized in that, the feeding temperature of described atmospheric pressure kiln is 185 DEG C, general export temperature is 335 DEG C, and burner hearth barricade temperature is 730 DEG C, and upper furnace temperature is 675 DEG C, lower furnace portion temperature is 592 DEG C, flue-gas temperature is 189 DEG C, combustion chamber draft-52 DEG C, and entering stove hot blast temperature is 176 DEG C.
6. the manufacture method of a kind of No. 90 pitches according to claim 3, it is characterized in that, the feeding temperature of described atmospheric tower is 335 DEG C, and tower top pressure is 9.8kPa, and tower top temperature is 104 DEG C.
7. the manufacture method of a kind of No. 90 pitches according to claim 3, it is characterized in that, the feeding temperature of described vacuum distillation tower is 348 DEG C, and vacuum tightness is 92.8kpa, and negative pressure at the bottom of tower is-0.099kPa, and tower top temperature is 44 DEG C, column bottom temperature 342 DEG C.
8. the manufacture method of a kind of No. 90 pitches according to claim 3, it is characterized in that, the feeding temperature of described vacuum furnace is 332 DEG C, temperature out is 348 DEG C, burner hearth barricade temperature 902 DEG C, burner hearth middle portion temperature 627 DEG C, enter vacuum furnace hot blast temperature 138 DEG C, combustion chamber draft-54 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833772.8A CN105368081A (en) | 2015-11-26 | 2015-11-26 | NO.90 asphalt and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833772.8A CN105368081A (en) | 2015-11-26 | 2015-11-26 | NO.90 asphalt and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105368081A true CN105368081A (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510833772.8A Pending CN105368081A (en) | 2015-11-26 | 2015-11-26 | NO.90 asphalt and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018061A (en) * | 2017-12-11 | 2018-05-11 | 佛山高富中石油燃料沥青有限责任公司 | A kind of water conservancy project asphalt and its production method |
| CN108034450A (en) * | 2017-12-13 | 2018-05-15 | 佛山高富中石油燃料沥青有限责任公司 | A kind of AB70 airfield pavements pitch and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177845A (en) * | 2013-05-21 | 2014-12-03 | 佛山高富中石油燃料沥青有限责任公司 | Styrene-butadiene-styrene block copolymer (SBS)-modified asphalt and preparation method thereof |
-
2015
- 2015-11-26 CN CN201510833772.8A patent/CN105368081A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177845A (en) * | 2013-05-21 | 2014-12-03 | 佛山高富中石油燃料沥青有限责任公司 | Styrene-butadiene-styrene block copolymer (SBS)-modified asphalt and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 杨光 等: "催化油浆与南美重油混合生产道路沥青技术研究", 《石油沥青》 * |
| 王雷 等: "《润滑油及其生产工艺简学》", 31 October 2014, 沈阳：辽宁科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018061A (en) * | 2017-12-11 | 2018-05-11 | 佛山高富中石油燃料沥青有限责任公司 | A kind of water conservancy project asphalt and its production method |
| CN108034450A (en) * | 2017-12-13 | 2018-05-15 | 佛山高富中石油燃料沥青有限责任公司 | A kind of AB70 airfield pavements pitch and preparation method thereof |
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Application publication date: 20160302 |
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