CN213506763U - Multiple recovery system of lighter hydrocarbons - Google Patents
Multiple recovery system of lighter hydrocarbons Download PDFInfo
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- CN213506763U CN213506763U CN202022728839.0U CN202022728839U CN213506763U CN 213506763 U CN213506763 U CN 213506763U CN 202022728839 U CN202022728839 U CN 202022728839U CN 213506763 U CN213506763 U CN 213506763U
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Abstract
The utility model discloses a multiple recovery system for light hydrocarbon, which comprises a settling tank, a re-precipitation tank, a flash tank, a liquid separation tank, a reactor and an acid storage tank, wherein the bottom outlet of the settling tank is connected with the material inlet of the re-precipitation tank through a pipeline, and the top discharge port and the bottom discharge port of the re-precipitation tank are respectively connected with the feed inlets of the flash tank and the liquid separation tank through pipelines; and a waste acid outlet and a light hydrocarbon outlet which are positioned at the bottom of the liquid separation tank are respectively connected with the material inlets of the acid storage tank and the reactor through pipelines. The utility model discloses a pipeline transformation adds the multiple recovery system of light hydrocarbon of establishing by settling cask, the jar that falls again, flash tank, branch fluid reservoir, reactor constitution for partly light hydrocarbon is retrieved to the flash tank through once subsiding, and partly light hydrocarbon is retrieved to the reactor and is carried out the secondary reaction and utilize through secondary settlement, liquid separation after-separating, can effectively improve the utilization efficiency of light hydrocarbon, reaches energy saving and emission reduction, improves the purpose that the productivity is increased.
Description
Technical Field
The utility model relates to an alkylation reaction spent acid storage facilities field specifically is a multiple recovery system of light hydrocarbon.
Background
Part of low-concentration sulfuric acid generated in the alkylation reaction process needs to be discharged out of the reaction system, and part of liquefied gas light hydrocarbon carried by the low-concentration sulfuric acid is carried out of the system in the discharging process. If the part of light hydrocarbon is directly discharged, not only can great waste of production resources be caused and the environment be polluted, but also serious safety threat can be caused to the production due to the leakage of the light hydrocarbon, so that the light hydrocarbon carried by waste acid is necessary to be recycled.
SUMMERY OF THE UTILITY MODEL
To above technical problem, the utility model aims to solve the technical problem that a light hydrocarbon multiple recovery system that can realize recycle to the light hydrocarbon that carries in the spent acid through twice subsides, liquid division means is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does: a multiple recovery system for light hydrocarbon comprises a settling tank, a re-settling tank, a flash tank, a liquid separation tank, a reactor and an acid storage tank, wherein a bottom outlet of the settling tank is connected with a material inlet of the re-settling tank through a pipeline, and a top discharge port and a bottom discharge port of the re-settling tank are respectively connected with feed inlets of the flash tank and the liquid separation tank through pipelines; and a waste acid outlet and a light hydrocarbon outlet which are positioned at the bottom of the liquid separation tank are respectively connected with the material inlets of the acid storage tank and the reactor through pipelines.
Furthermore, the interior of the liquid separation tank is divided into a separation area and a recovery area through a partition plate, and the waste acid outlet and the light hydrocarbon outlet are correspondingly arranged at the bottoms of the separation area and the recovery area respectively.
Further, a pump body A is arranged on the pipeline between the light hydrocarbon outlet and the reactor, and a pump body B is arranged on the pipeline between the waste acid outlet and the acid storage tank.
Further, a control valve is arranged on the pipeline.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses an on the basis of the spent acid discharge system of original alkylation reaction, add through the pipeline transformation and establish the multiple recovery system of light hydrocarbon of compriseing the settling cask, the jar that descends again, the flash tank, divide the fluid reservoir, the reactor for partly light hydrocarbon is retrieved to the flash tank through once subsiding, partly light hydrocarbon passes through the secondary sedimentation, divide the liquid to separate and retrieve after the back and carry out the secondary reaction to the reactor and utilize, can effectively improve the utilization efficiency of light hydrocarbon, reach energy saving and emission reduction, improve the purpose that the productivity is increased.
Drawings
Fig. 1 is a schematic view of the connection mode of the present invention.
In the figure: 1. a settling tank, 2, a re-settling tank, 3, a flash tank, 4, a liquid separation tank, 41, a separation zone, 42, a recovery zone, 5, a control valve, 6, a reactor, 7, a pump body A, 8, a pump body B, 9 and an acid storage tank.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the multiple recovery system for light hydrocarbons comprises a settling tank 1, a re-settling tank 2, a flash tank 3, a liquid separation tank 4, a reactor 6 and an acid storage tank 9, wherein a bottom outlet of the settling tank 1 is connected with a material inlet of the re-settling tank 2 through a pipeline, and a top discharge port and a bottom discharge port of the re-settling tank 2 are respectively connected with feed inlets of the flash tank 3 and the liquid separation tank 4 through pipelines; the waste acid outlet and the light hydrocarbon outlet which are positioned at the bottom of the liquid separation tank 4 are respectively connected with the material inlets of the acid storage tank 9 and the reactor 6 through pipelines.
In order to ensure the liquid separation effect, the interior of the liquid separation tank 4 is divided into a separation area 41 and a recovery area 42 by a partition plate, and a waste acid outlet and a light hydrocarbon outlet are respectively and correspondingly arranged at the bottoms of the separation area 41 and the recovery area 42.
In order to improve the waste acid treatment and light hydrocarbon recovery efficiency, a pump body A7 is arranged on a pipeline between the light hydrocarbon outlet and the reactor 6, and a pump body B8 is arranged on a pipeline between the waste acid outlet and the acid storage tank 9.
For the convenience of control, a control valve 5 is arranged on the pipeline.
The utility model discloses a concrete working process as follows:
in the process, light hydrocarbon floating on the upper part of the tank enters a flash tank 3 from a top discharge port gradually, the light hydrocarbon staying at the bottom of the pipe enters a liquid separation tank 4 from a bottom discharge port through a pipeline, the material entering the liquid separation tank 4 firstly stays in a waste acid separation zone 41, and in the staying process, the light hydrocarbon gradually escapes from the waste acid and enters a separation plate into a recovery zone 42 in a crossing manner, during the separation process, the spent acid will continue to be retained in the separation zone 41; then, the pump body A7 is opened, light hydrocarbon is injected into the reactor 6 for reaction again, and the pump body B8 is opened, and waste acid is injected into the acid storage tank 9 for storage. In the above working process, the opening and closing states of the control valves 5 on the pipelines in each section need to be reasonably adjusted as required, so that the separation and recovery effects are ensured.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a multiple recovery system of light hydrocarbon which characterized in that: the acid separation device comprises a settling tank (1), a re-settling tank (2), a flash tank (3), a liquid separation tank (4), a reactor (6) and an acid storage tank (9), wherein a bottom outlet of the settling tank (1) is connected with a material inlet of the re-settling tank (2) through a pipeline, and a top discharge port and a bottom discharge port of the re-settling tank (2) are respectively connected with feed inlets of the flash tank (3) and the liquid separation tank (4) through pipelines; and a waste acid outlet and a light hydrocarbon outlet which are positioned at the bottom of the liquid separation tank (4) are respectively connected with the material inlets of the acid storage tank (9) and the reactor (6) through pipelines.
2. The multiple recovery system of a light hydrocarbon of claim 1, wherein: the interior of the liquid separation tank (4) is divided into a separation area (41) and a recovery area (42) through a partition plate, and the waste acid outlet and the light hydrocarbon outlet are respectively and correspondingly arranged at the bottoms of the separation area (41) and the recovery area (42).
3. The multiple recovery system of a light hydrocarbon of claim 2, wherein: the light hydrocarbon outlet with between reactor (6) be provided with pump body A (7) on the pipeline, the spent acid export with be provided with pump body B (8) on the pipeline between acid storage tank (9).
4. A light hydrocarbon multiple recovery system according to any one of claims 1 to 3, wherein: the pipeline is provided with a control valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728839.0U CN213506763U (en) | 2020-11-23 | 2020-11-23 | Multiple recovery system of lighter hydrocarbons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728839.0U CN213506763U (en) | 2020-11-23 | 2020-11-23 | Multiple recovery system of lighter hydrocarbons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213506763U true CN213506763U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022728839.0U Active CN213506763U (en) | 2020-11-23 | 2020-11-23 | Multiple recovery system of lighter hydrocarbons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213506763U (en) |
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2020
- 2020-11-23 CN CN202022728839.0U patent/CN213506763U/en active Active
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