CN203342419U - Lower temperature control system of esterification separation column - Google Patents
Lower temperature control system of esterification separation column Download PDFInfo
- Publication number
- CN203342419U CN203342419U CN 201320305309 CN201320305309U CN203342419U CN 203342419 U CN203342419 U CN 203342419U CN 201320305309 CN201320305309 CN 201320305309 CN 201320305309 U CN201320305309 U CN 201320305309U CN 203342419 U CN203342419 U CN 203342419U
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- CN
- China
- Prior art keywords
- esterification
- separation column
- control system
- heat exchanger
- temperature control
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Abstract
The utility model relates to a lower temperature control system of an esterification separation column. The lower temperature control system of the esterification separation column comprises the esterification separation column (1) and an esterification heat exchanger (2), wherein a feeding pipeline and a material returning pipeline are connected between the esterification separation column (1) and the esterification heat exchanger (2). The lower temperature control system of the esterification separation column is characterized in that a temperature sensor (1.1) is arranged at the lower part of the esterification separation column (1); a feed port of the esterification heat exchanger (2) is connected with a heating medium feeding pipeline (3); a feed valve (3.1) is arranged on the heating medium feeding pipeline (3); a control circuit (4) is arranged between the temperature sensor (1.1) and the feed valve (3.1); a temperature controller (4.1) and a pressure controller (4.2) are sequentially arranged on the control circuit (4) from the front side to the back side. The lower temperature control system of the esterification separation column has the advantages of relatively high temperature control precision and labor saving.
Description
Technical field
The utility model relates to a kind of esterification knockout tower, relates in particular to a kind of temperature of lower control system of esterification knockout tower, belongs to the chemical industry equipment field.
Background technology
In producing PET Process, need to use the esterification knockout tower, the more difficult control of temperature of lower in traditional esterification knockout tower, need to regulate the speed of heating agent feed pipe to charging in the esterification heat exchanger manually.For the maximization production line, if need workman's manual operation, waste a large amount of artificial, and the more difficult assurance of temperature of lower control accuracy in the esterification knockout tower.Therefore seek a kind of temperature control precision higher, the temperature of lower control system of saving artificial esterification knockout tower is particularly important.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of temperature control precision higher, saves the temperature of lower control system of artificial esterification knockout tower.
The purpose of this utility model is achieved in that
A kind of temperature of lower control system of esterification knockout tower, comprise esterification knockout tower and esterification heat exchanger, be connected with feed pipe and feed back pipeline between described esterification knockout tower and esterification heat exchanger, the bottom that it is characterized in that described esterification knockout tower is provided with temperature sensor, the charging aperture of described esterification heat exchanger is connected with the heating agent feed pipe, be provided with inlet valve on described heating agent feed pipe, be provided with control circuit between described temperature sensor and inlet valve, be disposed with from front to back temperature controller and pressure controller on described control circuit.
Compared with prior art, the beneficial effects of the utility model are:
The aperture of the signal controlling inlet valve of the utility model by control circuit, thus the speed of heating agent feed pipe to charging in the esterification heat exchanger controlled, guarantee that esterification knockout tower temperature is able to accurate control.It is higher that the temperature of lower control system of this esterification knockout tower has a temperature control precision, saves artificial advantage.
The accompanying drawing explanation
The structural representation of the temperature of lower control system that Fig. 1 is the utility model esterification knockout tower.
Wherein:
Esterification knockout tower 1, temperature sensor 1.1
Esterification heat exchanger 2
Heating agent feed pipe 3, inlet valve 3.1
Control circuit 4, temperature controller 4.1, pressure controller 4.2.
The specific embodiment
Referring to Fig. 1, the temperature of lower control system of a kind of esterification knockout tower that the utility model relates to, comprise esterification knockout tower 1 and esterification heat exchanger 2, be connected with feed pipe and feed back pipeline between described esterification knockout tower 1 and esterification heat exchanger 2, the bottom of described esterification knockout tower 1 is provided with temperature sensor 1.1, the charging aperture of described esterification heat exchanger 2 is connected with heating agent feed pipe 3, be provided with inlet valve 3.1 on described heating agent feed pipe 3, be provided with control circuit 4 between described temperature sensor 1.1 and inlet valve 3.1, be disposed with from front to back temperature controller 4.1 and pressure controller 4.2 on described control circuit 4.
Claims (1)
1. the temperature of lower control system of an esterification knockout tower, comprise esterification knockout tower (1) and esterification heat exchanger (2), be connected with feed pipe and feed back pipeline between described esterification knockout tower (1) and esterification heat exchanger (2), the bottom that it is characterized in that described esterification knockout tower (1) is provided with temperature sensor (1.1), the charging aperture of described esterification heat exchanger (2) is connected with heating agent feed pipe (3), be provided with inlet valve (3.1) on described heating agent feed pipe (3), be provided with control circuit (4) between described temperature sensor (1.1) and inlet valve (3.1), be disposed with from front to back temperature controller (4.1) and pressure controller (4.2) on described control circuit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320305309 CN203342419U (en) | 2013-05-30 | 2013-05-30 | Lower temperature control system of esterification separation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320305309 CN203342419U (en) | 2013-05-30 | 2013-05-30 | Lower temperature control system of esterification separation column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342419U true CN203342419U (en) | 2013-12-18 |
Family
ID=49742361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320305309 Expired - Fee Related CN203342419U (en) | 2013-05-30 | 2013-05-30 | Lower temperature control system of esterification separation column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203342419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741053A (en) * | 2015-02-14 | 2015-07-01 | 安徽宝昱电子科技有限公司 | Lower temperature monitoring device for esterification separation tower |
-
2013
- 2013-05-30 CN CN 201320305309 patent/CN203342419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741053A (en) * | 2015-02-14 | 2015-07-01 | 安徽宝昱电子科技有限公司 | Lower temperature monitoring device for esterification separation tower |
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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 |
Granted publication date: 20131218 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |