CN102776026A - Device and method for producing road petroleum asphalt from super heavy oil - Google Patents
Device and method for producing road petroleum asphalt from super heavy oil Download PDFInfo
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- CN102776026A CN102776026A CN2011101197901A CN201110119790A CN102776026A CN 102776026 A CN102776026 A CN 102776026A CN 2011101197901 A CN2011101197901 A CN 2011101197901A CN 201110119790 A CN201110119790 A CN 201110119790A CN 102776026 A CN102776026 A CN 102776026A
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- process furnace
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- tower
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- interchanger
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 4
- 239000010426 asphalt Substances 0.000 title abstract description 8
- 239000000295 fuel oil Substances 0.000 title abstract description 5
- 239000003208 petroleum Substances 0.000 title abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 54
- 230000008569 process Effects 0.000 claims description 47
- 238000000926 separation method Methods 0.000 claims description 23
- 238000005292 vacuum distillation Methods 0.000 claims description 22
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 238000007701 flash-distillation Methods 0.000 claims description 4
- 238000005194 fractionation Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 19
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000004821 distillation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 abstract 2
- 238000005504 petroleum refining Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The invention discloses a device and a method for producing road petroleum asphalt from super heavy oil, belonging to the field of petroleum refining and processing technologies. The device includes first heat exchanger, first heat exchanger one end is connected with the raw materials pump, and the other end is connected with the flash column, flash column bottom and the end pump that dodges are connected, the end pump that dodges is connected with the second heat exchanger, the second heat exchanger is connected with the heating furnace, the heating furnace is connected with reaction tower bottom, the reaction tower top is connected with the fractionating tower, the fractionating tower bottom is connected with the end pump, the end pump with the heating furnace is connected, the heating furnace is connected with the decompression tower, the decompression tower is connected with the slag oil pump. The invention realizes the viscosity reduction of the super heavy oil and produces the heavy traffic asphalt with good performance by combining the viscosity reduction and the reduced pressure distillation processes.
Description
Technical field
The present invention relates to the refining of petroleum complete processing, particularly a kind of ultra viscous crude is produced the technology of bi tumenf orr oad.
Background technology
Along with the ratio of viscous crude in the refining of petroleum raw material improves year by year, the demand of heavy traffic paving asphalt and product price are also constantly soaring on the bi tumenf orr oad market.Therefore, in order to realize maximization of economic benefit, should develop viscous crude energetically and produce bi tumenf orr oad technology.
At present, produce bi tumenf orr oad and often adopt distillation method.The refining of petroleum raw material is directly extracted bi tumenf orr oad out from VACUUM TOWER BOTTOM through atmospheric and vacuum distillation unit.
In realizing process of the present invention, the contriver finds that there is following problem at least in prior art: existing vacuum distillation apparatus can not go out well behaved heavy traffic paving asphalt for the raw material direct production with the high viscous crude.
Summary of the invention
The purpose of the embodiment of the invention is the defective to above-mentioned prior art; Provide a kind of ultra viscous crude to produce the device and method of bi tumenf orr oad; Through visbreaking and underpressure distillation are carried out process combination; Adopt reasonable heated temperature, realize ultra viscous crude visbreaking and produce well behaved heavy traffic paving asphalt.
The technical scheme taked of the present invention is to achieve these goals:
A kind of ultra viscous crude is produced the device of bi tumenf orr oad, comprises first interchanger, and said first interchanger, one end is connected with feedstock pump; The other end is connected with flashing tower, is connected with sudden strain of a muscle end pump at the bottom of the said flash distillation Tata, and pump is connected with second interchanger at the bottom of the said sudden strain of a muscle; Said second interchanger is connected with process furnace, and said process furnace is connected with the reaction tower bottom, and said reaction tower top is connected with separation column; Said separation column bottom is connected with column bottoms pump; Said column bottoms pump is connected with said process furnace, and said process furnace is connected with vacuum distillation tower, and said vacuum distillation tower is connected with residual oil pump.
Particularly, said reaction tower comprises placed in-line first reaction tower and second reaction tower, and said process furnace is connected with said first reaction tower bottom, and the said second reaction tower top is connected with said separation column.
Particularly, said process furnace comprises first process furnace and second process furnace, and said first process furnace is parallelly connected with said second process furnace, and all is connected with said first reaction tower.
Another technical scheme provided by the invention is:
Be that 85-95 ℃ ultra viscous crude is delivered in first interchanger heat exchange to temperature through feedstock pump and sent into flashing tower after being 187 ℃ with temperature, must dodge end oil;
Oil is pumped to second interchanger heat exchange to the temperature and is 251 ℃ and sends into the process furnace heating by dodging the end at the bottom of the said sudden strain of a muscle; Deliver to reaction tower after being heated to 376-390 ℃ and carry out the viscosity breaking reaction; React after 90-120 minute reaction product, said reaction product gets into separation column, after the fractionation oil at the bottom of the separation column;
Oil is delivered to by column bottoms pump and is delivered to vacuum distillation tower after said process furnace is heated to 340-350 ℃ at the bottom of the said separation column;
The vacuum residuum of said VACUUM TOWER BOTTOM is seen off by residual oil pump and is promptly got bi tumenf orr oad.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: through visbreaking and reduced pressure distillation process combined are used the Heating temperature of optimizing; Realize ultra viscous crude visbreaking and produce well behaved heavy traffic paving asphalt that raw material per ton increases wound economic benefit nearly 1,000 yuan.
Description of drawings
Fig. 1 is that the ultra viscous crude that provides in the embodiment of the invention 1 is produced bi tumenf orr oad device synoptic diagram.
Among the figure:
1, feedstock pump, 2, first interchanger, 3, dodge end pump, 4, second interchanger, 5, first process furnace, 6, second process furnace, 7, column bottoms pump, 8, residual oil pump.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment 1
Referring to Fig. 1; The device that the embodiment of the invention provides a kind of ultra viscous crude to produce bi tumenf orr oad comprises at the bottom of feedstock pump 1, first interchanger 2, flashing tower, the sudden strain of a muscle pump 3, second interchanger 4, process furnace, reaction tower, separation column, column bottoms pump 7, vacuum distillation tower and residual oil pump 8.One end of first interchanger 2 is connected with feedstock pump 1, and the other end is connected with said flashing tower, is connected with sudden strain of a muscle end pump 3 at the bottom of the said flash distillation Tata; Dodge end pump 3 and be connected with second interchanger 4, second interchanger 4 is connected with said process furnace, and said process furnace is connected with said reaction tower bottom; Said reaction tower top is connected with said separation column, and said separation column bottom is connected with column bottoms pump 7, and column bottoms pump 7 is connected with said process furnace; Said process furnace is connected with vacuum distillation tower, and said vacuum distillation tower is connected with pump for residue of oil 8.
The ultra viscous crude that the embodiment of the invention provides is produced the device of bi tumenf orr oad, through with visbreaking and underpressure distillation combination, realizes ultra viscous crude visbreaking and produce the heavy traffic paving asphalt of better performances that raw material per ton increases creates the economic benefit nearly 1,000 yuan.
Referring to Fig. 1; In order to satisfy different treatment capacities; The assurance different raw materials all can fully be carried out the viscosity breaking reaction; Said reaction tower comprises placed in-line first reaction tower and second reaction tower, and said process furnace is connected with said first reaction tower bottom, and the said second reaction tower top is connected with said separation column.Two block response towers can be stopped using one according to the processing needs.
Said process furnace comprises first process furnace 5 and second process furnace 6; Said first process furnace is parallelly connected with said second process furnace; And all be connected with said first reaction tower, said separation column bottom is connected with said first process furnace, and said first process furnace is connected with said vacuum distillation tower.
Through the requirement that two process furnace can satisfy different amount of finish is set, under the state of low processing capacity, the process furnace of can stopping using.Because big load process furnace very easily causes the generation of tube coking accident at the state of low flow, this adjustment moves under low load condition than the process furnace of a big load, and better energy-saving effect and better safe effect are arranged.
The embodiment of the invention provides a kind of ultra viscous crude to produce the method for bi tumenf orr oad, the device that the device that present method is used provides as embodiment 1, and said method mainly may further comprise the steps:
Referring to Fig. 1; The raw material that present embodiment adopts is Venezuela's extra heavy oil (the ultra viscous crude in the Liaohe River); With temperature is the Venezuela's extra heavy oil about 85-90 ℃, after feedstock pump 1 boosts, delivers to 2 heat exchange of first interchanger, and heat exchange to temperature is to send into said flashing tower from the flashing tower below after 187 ℃.Get into sudden strain of a muscle top gun barrel (not shown) after flash distillation cat head oil gas is cooled to 40 ℃ through sudden strain of a muscle top oil gas air cooler (not shown) condensation, sudden strain of a muscle top oil gas aftercooler (not shown) and carry out gas-liquid separation, end oil must be dodged in said flashing tower bottom.
Oil is delivered to 4 heat exchange of second interchanger by dodging end pump 3 at the bottom of the said sudden strain of a muscle, sends into the process furnace heating after the heat exchange to 251 ℃.Dodge after oil is heated to 375-390 ℃ at the end; Deliver to the upstriker reaction tower and carry out the viscosity breaking reaction; Get reaction product after 90-120 minute; Said reaction product gets into separation column and carries out fractionation, and other components that separation column fractionates out described in the present embodiment are handled respectively and collected, said separation column bottom oil at the bottom of the separation column.
Oil is delivered to by column bottoms pump 7 and is delivered to vacuum distillation tower after said process furnace is heated to 340-350 ℃ at the bottom of the said separation column.
Vacuum distillation tower is full filler dry type vacuum distillation tower in the present embodiment, also can adopt little wet type vacuum distillation tower.Subtracting the top temperature is 95-115 ℃, and residual voltage is 10-20KPa.Other components that vacuum distillation tower distills out described in the present embodiment are handled respectively and are collected through the All other routes (not shown), and said vacuum distillation tower bottom gets vacuum residuum.
Said vacuum residuum promptly gets bi tumenf orr oad by residual oil pump 8 carrying devices.Said bi tumenf orr oad is functional, and each item index is through detecting equal National standard.Be respectively atmospheric and vacuum distillation gained pitch and embodiment of the invention gained bituminous each item performance index in table 1 and the table 2.
Table 1 atmospheric and vacuum distillation gained bi tumenf orr oad each item performance index
Table 2 embodiment of the invention gained bi tumenf orr oad each item performance index
Can find out by table 1 and table 2; Embodiment of the invention gained bi tumenf orr oad each item index is all more satisfactory; And parameter such as ductility and penetration ratio is relatively poor after the 60 ℃ of kinetic viscosities of atmospheric and vacuum distillation gained bi tumenf orr oad, TFOT; Can't satisfy the national standard requirement, and these several indexs of the gained bi tumenf orr oad that the embodiment of the invention provides obviously are superior to atmospheric and vacuum distillation gained pitch, satisfy the national standard requirement.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the device of a ultra viscous crude production bi tumenf orr oad is characterized in that, comprises first interchanger; Said first interchanger, one end is connected with feedstock pump, and the other end is connected with flashing tower, is connected with sudden strain of a muscle end pump at the bottom of the said flash distillation Tata; Pump is connected with second interchanger at the bottom of the said sudden strain of a muscle, and said second interchanger is connected with process furnace, and said process furnace is connected with the reaction tower bottom; Said reaction tower top is connected with separation column, and said separation column bottom is connected with column bottoms pump, and said column bottoms pump is connected with said process furnace; Said process furnace is connected with vacuum distillation tower, and said vacuum distillation tower is connected with residual oil pump.
2. ultra viscous crude according to claim 1 is produced the device of bi tumenf orr oad; It is characterized in that; Said reaction tower comprises placed in-line first reaction tower and second reaction tower, and said process furnace is connected with said first reaction tower bottom, and the said second reaction tower top is connected with said separation column.
3. ultra viscous crude according to claim 2 is produced the device of bi tumenf orr oad; It is characterized in that; Said process furnace comprises first process furnace and second process furnace, and said first process furnace is parallelly connected with said second process furnace, and all is connected with said first reaction tower.
4. the method that ultra viscous crude is produced bi tumenf orr oad is characterized in that, mainly may further comprise the steps:
Be that 85-95 ℃ ultra viscous crude is delivered in first interchanger heat exchange to temperature through feedstock pump and sent into flashing tower after being 187 ℃ with temperature, must dodge end oil;
Oil is pumped to second interchanger heat exchange to the temperature and is 251 ℃ and sends into the process furnace heating by dodging the end at the bottom of the said sudden strain of a muscle; Deliver to reaction tower after being heated to 376-390 ℃ and carry out the viscosity breaking reaction; React after 90-120 minute reaction product, said reaction product gets into separation column, after the fractionation oil at the bottom of the separation column;
Oil is delivered to by column bottoms pump and is delivered to vacuum distillation tower after said process furnace is heated to 340-350 ℃ at the bottom of the said separation column;
The vacuum residuum of said VACUUM TOWER BOTTOM is seen off by residual oil pump and is promptly got bi tumenf orr oad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101197901A CN102776026A (en) | 2011-05-10 | 2011-05-10 | Device and method for producing road petroleum asphalt from super heavy oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101197901A CN102776026A (en) | 2011-05-10 | 2011-05-10 | Device and method for producing road petroleum asphalt from super heavy oil |
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| Publication Number | Publication Date |
|---|---|
| CN102776026A true CN102776026A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101197901A Pending CN102776026A (en) | 2011-05-10 | 2011-05-10 | Device and method for producing road petroleum asphalt from super heavy oil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566994A (en) * | 2013-10-29 | 2015-04-29 | 中国石油天然气股份有限公司 | Safe anti-freezing and anti-blocking process method and device for heating furnace |
| CN113046122A (en) * | 2021-03-24 | 2021-06-29 | 淄博科泉新材料科技有限公司 | Process for producing high-grade road asphalt by adopting catalytic cracking slurry oil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039045A (en) * | 1988-07-01 | 1990-01-24 | 中国石油化工总公司九江炼油厂 | Use road bitumen producing process with decompressed residuum from pipeline-transported crude oil |
-
2011
- 2011-05-10 CN CN2011101197901A patent/CN102776026A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039045A (en) * | 1988-07-01 | 1990-01-24 | 中国石油化工总公司九江炼油厂 | Use road bitumen producing process with decompressed residuum from pipeline-transported crude oil |
Non-Patent Citations (2)
| Title |
|---|
| 《节能》 20101231 赵新凯 "辽河超稠原油加工工艺初探" 第49-52页 1-4 , 第2期 * |
| 赵新凯: ""辽河超稠原油加工工艺初探"", 《节能》, no. 2, 31 December 2010 (2010-12-31), pages 49 - 52 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566994A (en) * | 2013-10-29 | 2015-04-29 | 中国石油天然气股份有限公司 | Safe anti-freezing and anti-blocking process method and device for heating furnace |
| CN113046122A (en) * | 2021-03-24 | 2021-06-29 | 淄博科泉新材料科技有限公司 | Process for producing high-grade road asphalt by adopting catalytic cracking slurry oil |
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Application publication date: 20121114 |