CN203513588U - Gasoline fractionating tower top oil gas condensing system - Google Patents
Gasoline fractionating tower top oil gas condensing system Download PDFInfo
- Publication number
- CN203513588U CN203513588U CN201320484942.2U CN201320484942U CN203513588U CN 203513588 U CN203513588 U CN 203513588U CN 201320484942 U CN201320484942 U CN 201320484942U CN 203513588 U CN203513588 U CN 203513588U
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- China
- Prior art keywords
- tower
- outlet
- condenser
- tower top
- return tank
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000007791 liquid phase Substances 0.000 claims abstract description 7
- 238000009833 condensation Methods 0.000 claims description 16
- 230000005494 condensation Effects 0.000 claims description 16
- 239000004571 lime Substances 0.000 claims description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 12
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 12
- 238000010992 reflux Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract 6
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
Images
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model relates to a gasoline fractionating tower top oil gas condensing system; the system is positioned at the top outlet of a gasoline fractionating tower, a tower top oil-gas pipeline of a tower top outlet is connected with a tower top air cooler inlet, a tower top air cooler outlet is connected with a tower top reflux tank top inlet through a pipeline, a reflux tank top gas outlet positioned at the tower top reflux tank top is connected with an inlet of a liquid separating condenser through a reflux tank top gas pipeline, a non-condensable gas outlet positioned at the top of the liquid separating condenser is connected with a non-condensable gas pipeline, a condensate outlet positioned at the bottom of the liquid separating condenser is connected with a condensate inlet positioned at the top reflux tank top through a condensate return pipeline, and a liquid phase outlet positioned at the bottom of the reflux tank is connected with the gasoline fractionating tower through a reflux tank bottom liquid outlet pipeline; the medium that this system enters into liquid separating condenser is pure gaseous phase, compares with conventional condenser, and the medium flow reduces, and the condenser heat load reduces, and the heat transfer area reduces, and equipment investment reduces.
Description
Technical field
The utility model relates to a kind of gasoline splitter top oil gas condensation system in catalytic gasoline hydrogenation technique.
Background technology
In catalytic gasoline hydrogenation technique, be provided with gasoline splitter, light, the heavy constituent of full cut catalytic gasoline are carried out to separation, petroleum naphtha component is from tower top lateral line withdrawal function, and heavy petrol component is delivered to hydrogenating desulfurization unit, downstream from extracting out at the bottom of tower.
Conventional fractionation tower top oil gas condensation system generally includes, tower top air cooler, tower top aftercooler and return tank of top of the tower, its technical process is: tower top oil gas first through air cooler condensation, be cooled to 50～60 ℃, then enter return tank through aftercooler condensation, after being cooled to 40 ℃.Return tank top gas is as dry gas carrying device, and liquid phase is returned in separation column as phegma.
Utility model content
The purpose of this utility model is to provide a kind of system for gasoline splitter tower top oil gas is carried out to condensation, compares with conventional fractionation tower top oil gas condensation system, and this system energy consumption is lower, and economy is stronger.
A kind of gasoline splitter described in the utility model top oil gas condensation system comprises: overhead oil gas pipeline, tower top air cooler, return tank of top of the tower, liquid outlet line at the bottom of return tank, return tank top gas pipeline, separatory condenser, non-condensable gas pipeline, lime set return line;
This system is positioned at gasoline splitter tower top outlet place, the overhead oil gas pipeline of tower top outlet is connected with tower top air cooler entrance, the outlet of tower top air cooler is connected with return tank of top of the tower tank deck entrance by pipeline, the return tank top gas outlet that is positioned at return tank of top of the tower tank deck is connected with the entrance of separatory condenser by return tank top gas pipeline, the non-condensable gas outlet that is positioned at separatory condenser overhead is connected with non-condensable gas export pipeline, the lime set outlet that is positioned at separatory condenser bottom is connected with the lime set entrance that is positioned at trim the top of column tank top by lime set return line, be positioned at liquid-phase outlet at the bottom of return tank by return tank at the bottom of liquid outlet line be connected with gasoline splitter.
Gasoline splitter top oil gas enters tower top air cooler through overhead oil gas pipeline, condensation, enter that return tank of top of the tower carries out gas, liquid two is separated after being cooled to 50 ℃, wherein liquid phase is returned separation column as reflux medium with pump, gas phase enters into the further condensation of separatory condenser, is cooled to 40 ℃ from tank deck, and in separatory condenser, gas-liquid two-phase carries out separation simultaneously.The gas of separatory condenser overhead is as dry gas carrying device, and separatory condenser bottom is with separatory bag, and liquid phase flows out and enters return tank of top of the tower by gravity flow from separatory bag bottom.
The feature of above fractionation tower top oil gas condensation system has the following aspects:
(1) the cold rear temperature of tower top air cooler is 50 ℃, and after air cooling, medium directly enters return tank of top of the tower.
(2) compare temperature with normal reflux medium and improve, at the bottom of tower, heavily boil load and overhead condensation load reduction, Energy Intensity Reduction.
(3) after return tank of top of the tower, establish the separatory condenser with gas-liquid two-phase separation function.
(4) medium that enters into separatory condenser is pure gas phase, compares with conventional condenser, and rate-of flow reduces, and condenser heat load reduces, and heat interchanging area reduces, and facility investment reduces.
By enforcement of the present utility model, can realize two aspect effects:
(1) compare temperature with normal reflux medium and improve, at the bottom of tower, heavily boil load and overhead condensation load reduction, Energy Intensity Reduction.
(2) medium that enters into separatory condenser is pure gas phase, compares with conventional condenser, and rate-of flow reduces, and condenser heat load reduces, and heat interchanging area reduces, and facility investment reduces.
Accompanying drawing explanation
Fig. 1 is gasoline splitter top oil gas condensation system schematic.
Wherein: 1-gasoline splitter, 2-overhead oil gas pipeline, 3-tower top air cooler, 4-return tank of top of the tower, liquid outlet line at the bottom of 5-return tank, 6-return tank top gas pipeline, 7-separatory condenser, 8-non-condensable gas pipeline, 9-lime set return line.
Embodiment
A kind of gasoline splitter top oil gas condensation system comprises: overhead oil gas pipeline 2, tower top air cooler 3, return tank of top of the tower 4, liquid outlet line 5 at the bottom of return tank, return tank top gas pipeline 6, separatory condenser 7, non-condensable gas pipeline 8, lime set return line 9;
This system is positioned at gasoline splitter 1 tower top outlet place, the overhead oil gas pipeline 2 of tower top outlet is connected with tower top air cooler 3 entrances, 3 outlets of tower top air cooler are connected with return tank of top of the tower 4 tank deck entrances by pipeline, the return tank top gas outlet that is positioned at return tank of top of the tower 4 tank decks is connected with the entrance of separatory condenser 7 by return tank top gas pipeline 6, the non-condensable gas outlet that is positioned at separatory condenser 7 tops is connected with non-condensable gas pipeline 8, the lime set outlet that is positioned at separatory condenser 7 bottoms is connected with the lime set entrance that is positioned at return tank of top of the tower 4 tops by lime set return line 9, the liquid-phase outlet being positioned at the bottom of return tank is connected with gasoline splitter 1 by liquid outlet line 5 at the bottom of return tank.
Claims (1)
1. gasoline splitter top oil gas condensation system comprises: an overhead oil gas pipeline, tower top air cooler, return tank of top of the tower, liquid outlet line at the bottom of return tank, return tank top gas pipeline, separatory condenser, non-condensable gas pipeline, lime set return line; It is characterized in that:
This system is positioned at gasoline splitter tower top outlet place, the overhead oil gas pipeline of tower top outlet is connected with tower top air cooler entrance, the outlet of tower top air cooler is connected with return tank of top of the tower tank deck entrance by pipeline, the return tank top gas outlet that is positioned at return tank of top of the tower tank deck is connected with the entrance of separatory condenser by return tank top gas pipeline, the non-condensable gas outlet that is positioned at separatory condenser overhead is connected with non-condensable gas pipeline, the lime set outlet that is positioned at separatory condenser bottom is connected with the lime set entrance that is positioned at trim the top of column tank top by lime set return line, be positioned at liquid-phase outlet at the bottom of return tank by return tank at the bottom of liquid outlet line be connected with gasoline splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484942.2U CN203513588U (en) | 2013-08-09 | 2013-08-09 | Gasoline fractionating tower top oil gas condensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484942.2U CN203513588U (en) | 2013-08-09 | 2013-08-09 | Gasoline fractionating tower top oil gas condensing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513588U true CN203513588U (en) | 2014-04-02 |
Family
ID=50372545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320484942.2U Expired - Fee Related CN203513588U (en) | 2013-08-09 | 2013-08-09 | Gasoline fractionating tower top oil gas condensing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203513588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107541235A (en) * | 2016-06-27 | 2018-01-05 | 中国石油化工股份有限公司 | Two-part condensation, separation method and the piece-rate system of a kind of crude oil atmospheric distillation column overhead oil gas |
-
2013
- 2013-08-09 CN CN201320484942.2U patent/CN203513588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107541235A (en) * | 2016-06-27 | 2018-01-05 | 中国石油化工股份有限公司 | Two-part condensation, separation method and the piece-rate system of a kind of crude oil atmospheric distillation column overhead oil gas |
| CN107541235B (en) * | 2016-06-27 | 2020-10-23 | 中国石油化工股份有限公司 | Two-stage condensation and separation method and separation system for oil gas at tower top of crude oil atmospheric distillation tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Oil Mansion, Oil Mansion, 9 Dongzhimen North Street, Dongcheng District, Beijing. Co-patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee after: PetroChina Company Limited Address before: 100007 Oil Mansion, Oil Mansion, 9 Dongzhimen North Street, Dongcheng District, Beijing. Co-patentee before: China Petroleum Engineering & Construction Corp. Patentee before: PetroChina Company Limited |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190621 Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNPC EAST CHINA DESIGN INSTITUTE CO.,LTD. Patentee after: PetroChina Company Limited Address before: 100007 Oil Mansion, Oil Mansion, 9 Dongzhimen North Street, Dongcheng District, Beijing. Co-patentee before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee before: PetroChina Company Limited |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |