CN211227032U - Production equipment for ultra-low aromatic series special oil - Google Patents
Production equipment for ultra-low aromatic series special oil Download PDFInfo
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- CN211227032U CN211227032U CN201921664553.1U CN201921664553U CN211227032U CN 211227032 U CN211227032 U CN 211227032U CN 201921664553 U CN201921664553 U CN 201921664553U CN 211227032 U CN211227032 U CN 211227032U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 17
- 238000010992 reflux Methods 0.000 claims abstract description 65
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract description 4
- 238000011282 treatment Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model relates to a special oil processing technology field especially relates to an ultralow fragrant series special oil production facility. Comprises a first atmospheric tower, a second atmospheric tower, a third atmospheric tower and a fourth atmospheric tower; side line towers are arranged on the right sides of the first atmospheric tower and the second atmospheric tower respectively, a first reflux tank and a second reflux tank are arranged above the first atmospheric tower and the second atmospheric tower respectively, a raw material tank is arranged in the middle of the first atmospheric tower and is connected with the first reflux tank, steam tanks are arranged below the left sides of the first atmospheric tower and the third atmospheric tower respectively, and a first discharge pipe is arranged below the first atmospheric tower; the middle part of the second atmospheric tower is connected with a first discharge pipe, and oil tanks are arranged below the left sides of the second atmospheric tower and the fourth atmospheric tower; the production equipment of the ultra-low aromatic series special oil utilizes multi-tower circulation treatment and reasonable pipeline layout, reduces the content of aromatic hydrocarbon, and reduces energy consumption by adopting circulation auxiliary heating for heating of a normal pressure tower.
Description
Technical Field
The utility model relates to a special oil processing technology field especially relates to an ultralow fragrant series special oil production facility.
Background
At present, in the production process of the ultra-low aromatic special oil, a normal pressure tower is required to keep rated temperature so as to ensure the production capacity, but in the maintenance process, a large amount of energy can be consumed, the production cost is improved, meanwhile, because the common oil is mostly produced by one-time processing, and the connection of each position of a pipeline is unreasonable, the aromatic hydrocarbon content is higher, and the quality of a finished product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides an ultralow aromatic series special oil production facility, utilizes the multi-tower circulation to handle, and pipeline rational arrangement has reduced the content of arene, to the heating of atmospheric tower, adopts circulation auxiliary heating moreover, has reduced energy resource consumption.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a first atmospheric tower, a second atmospheric tower, a third atmospheric tower and a fourth atmospheric tower; side line towers are arranged on the right sides of the first atmospheric tower and the second atmospheric tower respectively, a first reflux tank and a second reflux tank are arranged above the first atmospheric tower and the second atmospheric tower respectively, a raw material tank is arranged in the middle of the first atmospheric tower and is connected with the first reflux tank, steam tanks are arranged below the left sides of the first atmospheric tower and the third atmospheric tower respectively, and a first discharge pipe is arranged below the first atmospheric tower; the middle part of the second atmospheric tower is connected with a first discharge pipe, oil tanks are arranged below the left sides of the second atmospheric tower and the fourth atmospheric tower, a second discharge pipe is arranged below the second atmospheric tower, the second discharge pipe is connected with the middle part of the fourth atmospheric tower, and a second reflux tank is connected with the middle part of the third atmospheric tower; a third reflux tank and a fourth reflux tank are respectively arranged above the third atmospheric tower and the fourth atmospheric tower, the third reflux tank is connected with a raw material tank through a pipeline, a third discharge pipe is arranged below the third atmospheric tower, and the third discharge pipe is connected with the raw material tank through a pipeline; and a fourth discharging pipe is arranged below the fourth normal pressure tower and is connected with the raw material tank through a pipeline.
Preferably, the side column comprises a fifth atmospheric column and a steam drum; the fifth atmospheric tower is connected with the steam tank, the top of each fifth atmospheric tower is respectively connected with the middle pipelines of the first atmospheric tower and the second atmospheric tower, and a fifth discharge pipe is arranged below the fifth atmospheric tower.
Preferably, the bottom of each of the first atmospheric tower, the second atmospheric tower, the third atmospheric tower, the fourth atmospheric tower and the fifth atmospheric tower is provided with a reboiler; and reflux pumps are arranged below the first reflux tank, the second reflux tank, the third reflux tank and the fourth reflux tank.
Preferably, the first atmospheric tower, the second atmospheric tower, the third atmospheric tower and the fourth atmospheric tower are all provided with regulating valves.
Preferably, the lower pipelines of the first reflux tank, the second reflux tank, the third reflux tank and the fourth reflux tank are branch pipelines.
Compared with the prior art, the utility model has the advantages of it is following: 1. the raw materials can be subjected to secondary treatment through a side-line tower, and the rest raw materials are discharged to the next tower for cyclic treatment, wherein in the process of multiple treatments, the components change, and the content of aromatic hydrocarbon is reduced; 2. the flow of oil in each section of pipeline can be constantly controlled in the production process through the regulating valve of the pipeline on the tower, so that accurate control is realized, and the quality of finished products is improved; 3. the branch pipeline is matched with the reflux pump, so that the raw materials in conveying can be recycled, and the discharge of partial raw materials is not influenced.
Drawings
FIG. 1 is a flow chart of a first atmospheric tower and a second atmospheric tower of a production device of ultra-low aromatic series special oil;
FIG. 2 is a flow chart of a third atmospheric tower and a fourth atmospheric tower of the production equipment of the ultra-low aromatic series special oil.
In the figure: 1. a first atmospheric tower; 2. a second atmospheric tower; 3. a third atmospheric tower; 4. a fourth atmospheric tower; 5. a side line tower; 6. a reboiler; 7. a reflux pump; 101. a first reflux drum; 102. a raw material tank; 103. a steam tank; 104. a first discharge pipe; 201. a second reflux drum; 202. an oil tank; 203. a second discharge pipe; 301. a third reflux drum; 302. a third discharge pipe; 401. a fourth reflux drum; 402. a fourth discharge pipe; 501. a fifth atmospheric tower; 503. a fifth discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: as shown in a combined figure 1-2, the production equipment of the ultra-low aromatic series special oil is characterized in that: comprises a first atmospheric tower 1, a second atmospheric tower 2, a third atmospheric tower 3 and a fourth atmospheric tower 4; the right sides of the first atmospheric tower 1 and the second atmospheric tower 2 are both provided with a side line tower 5, a first reflux tank 101 and a second reflux tank 201 are respectively arranged above the first atmospheric tower 1 and the second atmospheric tower 2, the middle part of the first atmospheric tower 1 is provided with a raw material tank 102, the raw material tank 102 is connected with the first reflux tank 101, the lower parts of the left sides of the first atmospheric tower 1 and the third atmospheric tower 3 are both provided with a steam tank 103, and a first discharge pipe 104 is arranged below the first atmospheric tower 1; the middle part of the second atmospheric tower 2 is connected with a first discharge pipe 104, oil tanks 202 are arranged below the left sides of the second atmospheric tower 2 and the fourth atmospheric tower 4, a second discharge pipe 203 is arranged below the second atmospheric tower 2, the second discharge pipe 203 is connected with the middle part of the fourth atmospheric tower 4, and a second reflux tank 201 is connected with the middle part of the third atmospheric tower 3; a third reflux tank 301 and a fourth reflux tank 401 are respectively arranged above the third atmospheric tower 3 and the fourth atmospheric tower 4, the third reflux tank 301 is connected with the raw material tank 102 through a pipeline, a third discharge pipe 302 is arranged below the third atmospheric tower 3, and the third discharge pipe 302 is connected with the raw material tank 102 through a pipeline; a fourth discharge pipe 402 is arranged below the fourth atmospheric tower 4, and the fourth discharge pipe 402 is connected with the raw material tank 102 through a pipeline; the side line tower 5 comprises a fifth atmospheric tower 501 and a steam drum 103; the fifth atmospheric towers 501 are connected with the steam tank 103, the top of each fifth atmospheric tower 501 is respectively connected with the middle pipelines of the first atmospheric tower 1 and the second atmospheric tower 2, and a fifth discharge pipe 503 is arranged below each fifth atmospheric tower 501; reboilers 6 are arranged at the bottoms of the first atmospheric tower 1, the second atmospheric tower 2, the third atmospheric tower 3, the fourth atmospheric tower 4 and the fifth atmospheric tower 501; reflux pumps 7 are arranged below the first reflux tank 101, the second reflux tank 201, the third reflux tank 301 and the fourth reflux tank 401; the first atmospheric tower 1, the second atmospheric tower 2, the third atmospheric tower 3 and the fourth atmospheric tower 4 are all provided with regulating valves; the pipelines below the first reflux tank 101, the second reflux tank 201, the third reflux tank 301 and the fourth reflux tank 401 are branch pipelines.
When in use, as shown in a combined graph 1 and a graph 2, low aromatic naphtha enters a first atmospheric tower 1 through a raw material tank 102, the naphtha is heated by heat supplied by a reboiler 6 at the bottom of the tower, meanwhile, a circulation pipeline of a steam tank 103 at the left side of the first atmospheric tower 1 is arranged in the tower, the reboiler 6 is assisted by gasified steam to heat the naphtha, so that the energy consumption of the reboiler 6 is reduced, the energy-saving effect is realized, meanwhile, the phenomenon that the generation of large batches of defective products is caused by insufficient temperature after the reboiler 6 breaks down can be prevented, the reaction time is remained to play a role in protection, an oil tank 202 at the left side of a second atmospheric tower 2 is communicated with heat conducting oil, the effect of the oil conducting oil and the steam tank 103 is the same, the heated naphtha and light components begin to volatilize and go upwards to enter a first reflux tank 101 through the top of the tower, and a part of the naphtha is directly discharged from a device through a reflux pump on a pipeline, the other part of the heavy components flows back to the top of the first atmospheric tower 1 to achieve the effect of stabilizing the temperature at the top of the tower, the heavier part of the heavy components enters the side line tower 5 and is used by matching the fifth atmospheric tower 501 and the steam tank 103, so that middle heavy raw materials are treated, the light components continue to return to the top of the first atmospheric tower 1, the rest of the heavy components are discharged from a pipeline at the right side of the top of the third atmospheric tower 3, oil at the bottom of the first atmospheric tower 1 is pumped to a feed inlet at the middle part of the second atmospheric tower 2 along a first discharge pipe 104 and is treated, the light components are treated the same as the top of the first atmospheric tower 1, but the top components of the second atmospheric tower 2 pass through a second reflux tank 201, part of the components are discharged to the middle part of the third atmospheric tower 3, the heavier part of the heavy components enters the side line tower 5 at the right side and is treated continuously, and then returns to the raw material tank 102 through a fifth discharge pipe 503, the other part of the discharge device, the bottom of, after the light components enter the fourth reflux tank 401 through the top of the tower, the light components are selected to be discharged from the reflux tower according to actual requirements and returned to the raw material tank 102, the third atmospheric tower 3 and the fourth atmospheric tower 4 are treated the same, meanwhile, part of the bottom oil is returned to the raw material tank 102, and the other part of the bottom oil is directly discharged; wherein, the third discharging pipe 302 discharge temperature is 65-98 degrees, and the pipeline discharge temperature under the third reflux tank 301 is 50-76 degrees, and the fourth discharging pipe 402 discharge temperature is 150 and gives other 192 degrees, and the pipeline discharge temperature under the fourth reflux tank 401 is 130 and gives other 165 degrees, the utility model discloses an adopt conduction oil and steam circulation heating, reduce a large amount of energy consumptions, the top of the tower all has the lower light component reflux control of temperature each tower top temperature, and is more reliable and more stable, will hang down aromatic naphtha entering tower ware simultaneously and carry out further product segmentation, need not too much intensification, realizes reducing aromatic content, produces anticipated product, makes the product reach the ultralow aromatic standard.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The production equipment of the ultra-low aromatic series special oil is characterized in that: comprises a first atmospheric tower (1), a second atmospheric tower (2), a third atmospheric tower (3) and a fourth atmospheric tower (4); the right sides of the first atmospheric tower (1) and the second atmospheric tower (2) are respectively provided with a side line tower (5), a first reflux tank (101) and a second reflux tank (201) are respectively arranged above the first atmospheric tower (1) and the second atmospheric tower (2), the middle part of the first atmospheric tower (1) is provided with a raw material tank (102), the raw material tank (102) is connected with the first reflux tank (101), the lower parts of the left sides of the first atmospheric tower (1) and the third atmospheric tower (3) are respectively provided with a steam tank (103), and a first discharge pipe (104) is arranged below the first atmospheric tower (1); the middle part of the second atmospheric tower (2) is connected with a first discharge pipe (104), oil tanks (202) are arranged below the left sides of the second atmospheric tower (2) and the fourth atmospheric tower (4), a second discharge pipe (203) is arranged below the second atmospheric tower (2), the second discharge pipe (203) is connected with the middle part of the fourth atmospheric tower (4), and a second reflux tank (201) is connected with the middle part of the third atmospheric tower (3); a third reflux tank (301) and a fourth reflux tank (401) are respectively arranged above the third atmospheric tower (3) and the fourth atmospheric tower (4), the third reflux tank (301) is connected with the raw material tank (102) through a pipeline, a third discharge pipe (302) is arranged below the third atmospheric tower (3), and the third discharge pipe (302) is connected with the raw material tank (102) through a pipeline; a fourth discharging pipe (402) is arranged below the fourth atmospheric tower (4), and the fourth discharging pipe (402) is connected with the raw material tank (102) through a pipeline.
2. The production equipment of the ultra-low aromatic series special oil as claimed in claim 1, wherein: the side line tower (5) comprises a fifth atmospheric tower (501) and a steam tank (103); fifth atmospheric tower (501) are connected with steam drum (103), each fifth atmospheric tower (501) top respectively with first atmospheric tower (1) and second atmospheric tower (2) middle part tube coupling, fifth atmospheric tower (501) below is equipped with fifth discharging pipe (503).
3. The production equipment of the ultra-low aromatic series special oil as claimed in claim 2, characterized in that: reboilers (6) are arranged at the bottoms of the first atmospheric tower (1), the second atmospheric tower (2), the third atmospheric tower (3), the fourth atmospheric tower (4) and the fifth atmospheric tower (501); and a reflux pump (7) is arranged below the first reflux tank (101), the second reflux tank (201), the third reflux tank (301) and the fourth reflux tank (401).
4. The production equipment of the ultra-low aromatic series special oil as claimed in claim 1, wherein: all be equipped with the governing valve on first atmospheric tower (1), second atmospheric tower (2), third atmospheric tower (3) and fourth atmospheric tower (4).
5. The production equipment of the ultra-low aromatic series special oil as claimed in claim 1, wherein: and pipelines below the first reflux tank (101), the second reflux tank (201), the third reflux tank (301) and the fourth reflux tank (401) are branch pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664553.1U CN211227032U (en) | 2019-10-08 | 2019-10-08 | Production equipment for ultra-low aromatic series special oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664553.1U CN211227032U (en) | 2019-10-08 | 2019-10-08 | Production equipment for ultra-low aromatic series special oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211227032U true CN211227032U (en) | 2020-08-11 |
Family
ID=71934149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921664553.1U Active CN211227032U (en) | 2019-10-08 | 2019-10-08 | Production equipment for ultra-low aromatic series special oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211227032U (en) |
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2019
- 2019-10-08 CN CN201921664553.1U patent/CN211227032U/en active Active
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Denomination of utility model: A special oil production equipment for ultra-low aromatic series Effective date of registration: 20230426 Granted publication date: 20200811 Pledgee: Zibo Linzi District Qisheng Investment Management Co.,Ltd. Pledgor: SHANDONG QINGYISHAN PETROCHEMICAL TECHNOLOGY CO.,LTD.|SHANDONG FANGYU LUBRICANT CO.,LTD.|SHANDONG QINGYUAN GROUP Co.,Ltd.|SHANDONG QINGYUAN PETROCHEMICAL Co.,Ltd. Registration number: Y2023980038975 |
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| PP01 | Preservation of patent right |
Effective date of registration: 20231110 Granted publication date: 20200811 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240319 Granted publication date: 20200811 |
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Effective date of registration: 20240319 Granted publication date: 20200811 |