CN105368491A - Improved asphalt with good climatic suitable ability and manufacturing method thereof - Google Patents
Improved asphalt with good climatic suitable ability and manufacturing method thereof Download PDFInfo
- Publication number
- CN105368491A CN105368491A CN201510833654.7A CN201510833654A CN105368491A CN 105368491 A CN105368491 A CN 105368491A CN 201510833654 A CN201510833654 A CN 201510833654A CN 105368491 A CN105368491 A CN 105368491A
- Authority
- CN
- China
- Prior art keywords
- temperature
- tower
- pitch
- good
- ability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Working-Up Tar And Pitch (AREA)
Abstract
The invention relates to improved asphalt with good climatic suitable ability and a manufacturing method thereof. The improved asphalt includes the raw materials: Boscan crude oil and Merey-16 crude oil with the weight ratio of (85%-95%) to (5%-15%). The improved asphalt has the advantages of good high temperature performance, good low temperature performance, strong anti-rutting ability, strong anti-fatigue ability, good 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 the good pitch of a kind of benign climate ability of improvement and manufacture method thereof.
Background technology
Since reform and opening-up, China's Economic development is rapid, and highway development also achieves brilliant achievement, China Expressway is broken through 30,000 kilometers of total kilometrages and is occupied the second in the world, road construction facilitates the demand of pitch, and " 12 " period, road bitumen consumption is every year on average at about 1,500 ten thousand tons.
Pitch is divided into coal tar pitch, rock asphalt, petroleum pitch, and wherein petroleum pitch uses the most extensive, the residue after its crude distillation.According to the difference of the degree of refinement, become liquid, semisolid or solid at normal temperatures.Petroleum pitch look black and glossy, has higher temperature sensibility.Pitch is a lot of as pavior advantage, and one is wheel and road surface two-stage vibration damping, and therefore road-ability is good, noise is little; Two is flexible pavement strong adaptabilities to roadbed, foundation deformation or non-uniform settling; Three is that speed is repaired soon in road surface, can be open to traffic after rolling.
Pitch be a kind of to temperature than more sensitive viscoelastic material, temperature raises or reduces, and its form and use properties all can change.When temperature raises, pitch deliquescing, thinning, the cohesive force reducing pitch Yu gather materials; When temperature reduces, pitch retrogradation, hardening and become fragile, lose the cohesive force to building stones.
China is vast in territory, and south is large with boreal climate difference, and temperature, rainfall are not identical yet, and cause the behaviour in service difference of bituminous pavement very large, the reason difference that bituminous pavement destroys is large.Particularly cold district, high to the Low temperature property requirements of pitch, and plain asphalt can not meet use properties requirement, must adopt the measured pitch of matter, to meet the requirement of low temperature environment Pavement Performance in Distress.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, provide the good pitch of a kind of benign climate ability of improvement and manufacture method thereof, possess good 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:
The pitch that the benign climate ability of improvement is good, comprises raw material: weight ratio is Persian bank crude oil and Ma Rui-16 crude oil of 85% ~ 95%:5% ~ 15%.
Also add the Graphene of described pitch weight 1-3%.
A manufacture method for the pitch that the benign climate ability of improvement is good, 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 pitch 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:
The pitch that the benign climate ability of improvement prepared by Venezuela of the present invention heavy feed stock is good, be applicable to low-temperature cold area, each standard highway such as motorway uses, be applicable to any occasion and 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, can be used as bitumen regenerant and uses.
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 that the benign climate ability of a kind of improvement of the present invention is good.
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.
The pitch that the benign climate ability of a kind of improvement of the present invention is good, comprise raw material: weight ratio is: the Persian bank crude oil of 88%:8%:4% and Ma Rui-16 crude oil, also add the Graphene of pitch weight 2%, make pitch high comprehensive performance, extend the work-ing life of pitch.
As shown in Figure 1, the manufacture method of the pitch that a kind of benign climate ability of improvement is good, 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 pitch 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.
Through the pitch that above-mentioned specific temperature and pressure obtains, be applicable to low-temperature cold area, each standard highway such as motorway uses, be applicable to any occasion and 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, can be used as bitumen regenerant and uses.
Asphaltic products. technical indicator
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. the pitch that the benign climate ability improved is good, is characterized in that, comprise raw material: weight ratio is Persian bank crude oil and Ma Rui-16 crude oil of 85% ~ 95%:5% ~ 15%.
2. the pitch that a kind of benign climate ability of improvement is good according to claim 1, is characterized in that, also adds the Graphene of described pitch weight 1-3%.
3. the manufacture method of the pitch that a kind of benign climate ability of improvement is good 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, subtract end oil and pitch after pump pressurization, carrying device after heat exchange, cooling, obtains the good pitch of benign climate ability by controlling vacuum furnace furnace temperature, Top of Vacuum Tower vacuum tightness and asphaltic products. penetration degree.
4. the manufacture method of the pitch that a kind of benign climate ability of improvement is good 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 the pitch that a kind of benign climate ability of improvement is good 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 the pitch that a kind of benign climate ability of improvement is good 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 the pitch that a kind of benign climate ability of improvement is good according to claim 3, it is characterized in that, the feeding temperature of described vacuum distillation tower is 348 DEG C, vacuum tightness is 92.8kpa, 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 the pitch that a kind of benign climate ability of improvement is good 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, enters vacuum furnace hot blast temperature 138 DEG C, combustion chamber draft-54 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833654.7A CN105368491B (en) | 2015-11-26 | 2015-11-26 | A kind of good pitch of improved benign climate ability and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833654.7A CN105368491B (en) | 2015-11-26 | 2015-11-26 | A kind of good pitch of improved benign climate ability and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105368491A true CN105368491A (en) | 2016-03-02 |
| CN105368491B CN105368491B (en) | 2017-08-29 |
Family
ID=55371136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510833654.7A Expired - Fee Related CN105368491B (en) | 2015-11-26 | 2015-11-26 | A kind of good pitch of improved benign climate ability and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105368491B (en) |
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001262157A (en) * | 2000-03-15 | 2001-09-26 | Jomo Technical Research Center:Kk | Straight asphalt and method for producing the same |
| CN101007902A (en) * | 2005-12-27 | 2007-08-01 | 新日本石油株式会社 | Asphalt composition for pavement and its continuous production method |
-
2015
- 2015-11-26 CN CN201510833654.7A patent/CN105368491B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001262157A (en) * | 2000-03-15 | 2001-09-26 | Jomo Technical Research Center:Kk | Straight asphalt and method for producing the same |
| CN101007902A (en) * | 2005-12-27 | 2007-08-01 | 新日本石油株式会社 | Asphalt composition for pavement and its continuous production method |
Non-Patent Citations (1)
| Title |
|---|
| 蒋福山等: ""南美重质原油生产道路沥青技术现状"", 《石油沥青》 * |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105368491B (en) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105331383A (en) | No. 70 asphalt and preparation method thereof | |
| CN108948753B (en) | Warm-mixed high-viscosity modified asphalt and preparation and application thereof | |
| CN105482477A (en) | Super-adhesive composite modified emulsified asphalt and preparation method thereof | |
| CN102604402A (en) | Asphalt recycling agent for hot recycling of asphalt on asphalt road surface | |
| CN101387097A (en) | Porous thermal conductive asphalt concrete pavement heat exchange system and use thereof | |
| CN107651887B (en) | High-modulus rubber asphalt mixture and preparation method thereof | |
| CN102604401B (en) | SBR (styrene butadiene rubber) modified recycling agent for aged asphalt road surface in alpine regions, and preparation method and usage of the recycling agent | |
| CN105331126A (en) | No. 110 asphalt and preparation method thereof | |
| CN105368491A (en) | Improved asphalt with good climatic suitable ability and manufacturing method thereof | |
| CN105368079A (en) | Asphalt with good climatic suitable ability and manufacturing method thereof | |
| CN105331125A (en) | Low-temperature-resisting asphalt and manufacturing method thereof | |
| CN101289578A (en) | Modified bitumen and bituminous mixture | |
| CN105440709A (en) | Water-resistant modified matrix asphalt and processing method thereof | |
| CN105440710A (en) | High-temperature-resisting road matrix asphalt and processing method thereof | |
| CN105778966A (en) | Raw materials and technological method for producing No. 50 hard asphalt with mixed crude of Venezuelan Boscan crude and Venezuelan Merey-16 crude | |
| CN105368081A (en) | NO.90 asphalt and manufacturing method thereof | |
| CN105504837A (en) | Improved low temperature resistant asphalt and making method thereof | |
| CN107043548A (en) | Bituminous paving High-performance rubber asphalt sealing compound and preparation method thereof | |
| CN105713636A (en) | Raw materials for producing 50# hard asphalt through Bachaquero crude and technological method | |
| CN105421181A (en) | ESA-13 in-place thermal regeneration bituminous mixture | |
| CN104448859A (en) | Preparation method of high-temperature-resistant modified asphalt | |
| CN205604047U (en) | Crack control subsides are used in highway construction | |
| CN108117305A (en) | Reclaimed rubber asphalt and preparation method thereof | |
| CN211645823U (en) | Heat-insulating asphalt pavement structure | |
| CN103319906A (en) | Asphalt for ultrathin surface wearing layer and mixture and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20191126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |