CN204356288U - A kind of weight hydrocarbon separation system - Google Patents
A kind of weight hydrocarbon separation system Download PDFInfo
- Publication number
- CN204356288U CN204356288U CN201420761725.8U CN201420761725U CN204356288U CN 204356288 U CN204356288 U CN 204356288U CN 201420761725 U CN201420761725 U CN 201420761725U CN 204356288 U CN204356288 U CN 204356288U
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- CN
- China
- Prior art keywords
- heavy hydrocarbon
- knockout tower
- return tank
- vessel
- hydrocarbon
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- 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.)
- Expired - Fee Related
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses a kind of weight hydrocarbon separation system, comprise knockout tower, storage of lighter hydrocarbon tank and heavy hydrocarbon hold-up vessel, also comprise return tank, the one end at described return tank top exports with separation column and is connected, and between return tank and knockout tower, be connected with overhead water cooler, the other end at return tank top is provided with non-condensable gas delivery pipe, described non-condensable gas delivery pipe is provided with pressure controlled valve, reflux pump is connected with bottom described return tank, described reflux pump is connected with knockout tower by the pipeline being provided with flowrate control valve, tower bottom reboiler is provided with bottom described knockout tower, and knockout tower outlet at bottom is connected with heavy hydrocarbon hold-up vessel by pipeline, heavy hydrocarbon water cooler and heavy hydrocarbon discharging pump are installed bottom described knockout tower and between heavy hydrocarbon hold-up vessel.The utility model effectively ensure that the normal operation of discharging pump, avoids the leakage of machine envelope, the working efficiency of equipment is improved.
Description
Technical field
The utility model belongs to fuel gas separating device technical field, is specifically related to a kind of weight hydrocarbon separation system.
Background technology
Butane enters reactor as the raw material of reactor, obtains reaction product upon reaction completion, and weight hydrocarbon separation system is mainly used for the butane reactant obtained after the reaction to enter knockout tower as raw material, isolates a kind of separation system of lighter hydrocarbons and heavy hydrocarbon.Its in use, because the service temperature at the bottom of tower is between 120-140 DEG C, isolated high-temperature material directly can enter discharging pump, causes the operation of discharging pump abnormal, machine envelope easily leak, make equipment fluctuation of service, affect working efficiency.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of weight hydrocarbon separation system, and its structure is simple, and effectively ensure that the operation of equipment, improves working efficiency.
The technical scheme that the utility model adopts is: a kind of weight hydrocarbon separation system, comprise knockout tower, storage of lighter hydrocarbon tank and heavy hydrocarbon hold-up vessel, described knockout tower top is connected by pipeline with between storage of lighter hydrocarbon tank, and flowrate control valve is provided with on pipeline, also comprise return tank, the one end at described return tank top exports with separation column and is connected, and between return tank and knockout tower, be connected with overhead water cooler, the other end at return tank top is provided with non-condensable gas delivery pipe, described non-condensable gas delivery pipe is provided with pressure controlled valve, reflux pump is connected with bottom described return tank, described reflux pump is connected with knockout tower by the pipeline being provided with flowrate control valve, tower bottom reboiler is provided with bottom described knockout tower, and knockout tower outlet at bottom is connected with heavy hydrocarbon hold-up vessel by pipeline, heavy hydrocarbon water cooler and heavy hydrocarbon discharging pump are installed bottom described knockout tower and between heavy hydrocarbon hold-up vessel, the import of heavy hydrocarbon water cooler is connected with knockout tower outlet at bottom, the outlet of heavy hydrocarbon water cooler is connected with the import of heavy hydrocarbon discharging pump, heavy hydrocarbon discharging pump outlet is connected with heavy hydrocarbon hold-up vessel.
As preferably, described heavy hydrocarbon hold-up vessel ingress is provided with flowrate control valve.
The beneficial effects of the utility model are: the utility model structure is simple, rapidly and efficiently can isolate lighter hydrocarbons and heavy hydrocarbon, and heavy hydrocarbon water cooler is provided with before heavy hydrocarbon discharging pump, effectively reduce temperature when bottom product enters discharging pump, effectively ensure that the normal operation of discharging pump, avoid the leakage of machine envelope, the working efficiency of equipment is improved.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, knockout tower; 2, storage of lighter hydrocarbon tank; 3, heavy hydrocarbon hold-up vessel; 4, flowrate control valve; 5, return tank; 6, overhead water cooler; 7, non-condensable gas delivery pipe; 8, pressure controlled valve; 9, reflux pump; 10, tower bottom reboiler; 11, heavy hydrocarbon water cooler; 12, heavy hydrocarbon discharging pump.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
Embodiment: as shown in Figure 1, the utility model comprises knockout tower 1, storage of lighter hydrocarbon tank 2 and heavy hydrocarbon hold-up vessel 3, described knockout tower 1 top is connected by pipeline with between storage of lighter hydrocarbon tank 2, and on pipeline, be provided with flowrate control valve 4, also comprise return tank 5, the one end at described return tank 5 top is connected with knockout tower 1 top exit, and overhead water cooler 6 is connected with between return tank 5 and knockout tower 1, the other end at return tank 5 top is provided with non-condensable gas delivery pipe 7, described non-condensable gas delivery pipe 7 is provided with pressure controlled valve 8, reflux pump 9 is connected with bottom described return tank 5, described reflux pump 9 is connected with knockout tower 1 by the pipeline being provided with flowrate control valve 4, tower bottom reboiler 10 is provided with bottom described knockout tower 1, and knockout tower 1 outlet at bottom is connected with heavy hydrocarbon hold-up vessel 3 by pipeline, heavy hydrocarbon water cooler 11 and heavy hydrocarbon discharging pump 12 are installed bottom described knockout tower 1 and between heavy hydrocarbon hold-up vessel 3, the import of heavy hydrocarbon water cooler 11 is connected with knockout tower 1 outlet at bottom, the outlet of heavy hydrocarbon water cooler 11 is connected with the import of heavy hydrocarbon discharging pump 12, the outlet of heavy hydrocarbon discharging pump 12 is connected with heavy hydrocarbon hold-up vessel 3, described heavy hydrocarbon hold-up vessel 3 ingress is provided with flowrate control valve 4.
Workflow: after reactant enters knockout tower 1 by feed-pipe, through being separated, isolated lighter hydrocarbons directly enter storage of lighter hydrocarbon tank 2 by pipeline, the vapor-phase reactant at knockout tower 1 top enters overhead water cooler 6 by pipeline, become liquid phase from gas phase after cooling and enter return tank 5, a part is not condensed into the non-condensable gas of liquid phase, and discharged by non-condensable gas delivery pipe 7, remaining liquid phase reaction thing flows back to knockout tower 1 through reflux pump 9; Isolated heavy products falls Xiang Tadi, is cooled to about 40 DEG C, enters discharging pump, finally enter heavy hydrocarbon hold-up vessel 3 through heavy hydrocarbon water cooler 11.
The utility model structure is simple, rapidly and efficiently can isolate lighter hydrocarbons and heavy hydrocarbon, and heavy hydrocarbon water cooler 11 is provided with before heavy hydrocarbon discharging pump 12, effectively reduce temperature when bottom product enters discharging pump, effectively ensure that the normal operation of discharging pump, avoid the leakage of machine envelope, the working efficiency of equipment is improved.
Claims (2)
1. a weight hydrocarbon separation system, comprise knockout tower (1), storage of lighter hydrocarbon tank (2) and heavy hydrocarbon hold-up vessel (3), be connected by pipeline between described knockout tower (1) top with storage of lighter hydrocarbon tank (2), and on pipeline, be provided with flowrate control valve (4), it is characterized in that: also comprise return tank (5), the one end at described return tank (5) top is connected with knockout tower (1) top exit, and overhead water cooler (6) is connected with between return tank (5) and knockout tower (1), the other end at return tank (5) top is provided with non-condensable gas delivery pipe (7), described non-condensable gas delivery pipe (7) is provided with pressure controlled valve (8), described return tank (5) bottom is connected with reflux pump (9), described reflux pump (9) is connected with knockout tower (1) by the pipeline being provided with flowrate control valve (4), described knockout tower (1) bottom is provided with tower bottom reboiler (10), and knockout tower (1) outlet at bottom is connected with heavy hydrocarbon hold-up vessel (3) by pipeline, between described knockout tower (1) bottom and heavy hydrocarbon hold-up vessel (3), heavy hydrocarbon water cooler (11) and heavy hydrocarbon discharging pump (12) are installed, the import of heavy hydrocarbon water cooler (11) is connected with knockout tower (1) outlet at bottom, the outlet of heavy hydrocarbon water cooler (11) is connected with the import of heavy hydrocarbon discharging pump (12), the outlet of heavy hydrocarbon discharging pump (12) is connected with heavy hydrocarbon hold-up vessel (3).
2. weight hydrocarbon separation system according to claim 1, is characterized in that: described heavy hydrocarbon hold-up vessel (3) ingress is provided with flowrate control valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761725.8U CN204356288U (en) | 2014-12-05 | 2014-12-05 | A kind of weight hydrocarbon separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761725.8U CN204356288U (en) | 2014-12-05 | 2014-12-05 | A kind of weight hydrocarbon separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204356288U true CN204356288U (en) | 2015-05-27 |
Family
ID=53257769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420761725.8U Expired - Fee Related CN204356288U (en) | 2014-12-05 | 2014-12-05 | A kind of weight hydrocarbon separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204356288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105567288A (en) * | 2015-12-17 | 2016-05-11 | 海南汉地阳光石油化工有限公司 | Light hydrocarbon recycling system and method |
-
2014
- 2014-12-05 CN CN201420761725.8U patent/CN204356288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105567288A (en) * | 2015-12-17 | 2016-05-11 | 海南汉地阳光石油化工有限公司 | Light hydrocarbon recycling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20171205 |