CN203342418U - Temperature control system of esterification separation column - Google Patents
Temperature control system of esterification separation column Download PDFInfo
- Publication number
- CN203342418U CN203342418U CN 201320304002 CN201320304002U CN203342418U CN 203342418 U CN203342418 U CN 203342418U CN 201320304002 CN201320304002 CN 201320304002 CN 201320304002 U CN201320304002 U CN 201320304002U CN 203342418 U CN203342418 U CN 203342418U
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- CN
- China
- Prior art keywords
- esterification
- knockout tower
- separation column
- temperature sensor
- feed pipe
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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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Abstract
The utility model relates to a temperature control system of an esterification separation column. The temperature control system of the esterification separation column comprises the esterification separation column (1) and an esterification heat exchanger (2), wherein a first temperature sensor (1.1) is arranged at the lower part of the esterification separation column (1); a first feed valve (3.1) is arranged on a heating medium feeding pipeline (3) connected with the feed port of the esterification heat exchanger (2); a first control circuit (4) is arranged between the first temperature sensor (1.1) and the first feed valve (3.1); a second feed valve (5.1) is arranged on a cooling material feeding pipeline (5) connected with the feed port of the esterification separation column (1); a second temperature sensor (1.2) is arranged at the upper part of the esterification separation column (1); a second control circuit (6) is arranged between the second temperature sensor (1.2) and the second feed valve (5.1). The 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 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 upper temp in traditional esterification knockout tower, need to regulate manually the speed of cooling material feed pipe to charging in the esterification knockout tower, also 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 the temperature control precision of esterification knockout tower.Therefore seek a kind of temperature control precision higher, the temperature 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 control system of artificial esterification knockout tower.
The purpose of this utility model is achieved in that
A kind of temperature control system of esterification knockout tower, it is characterized in that it comprises 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 of described esterification knockout tower is provided with the first temperature sensor, the charging aperture of described esterification heat exchanger is connected with the heating agent feed pipe, be provided with the first inlet valve on described heating agent feed pipe, be provided with the first control circuit between described the first temperature sensor and the first inlet valve, be disposed with from front to back the first temperature controller and pressure controller on described the first control circuit, the charging aperture of described esterification knockout tower is connected with the cooling material feed pipe, be provided with the second inlet valve on described cooling material feed pipe, the top of described esterification knockout tower is provided with the second temperature sensor, be provided with the second control circuit between described the second temperature sensor and the second inlet valve, be disposed with from front to back the second temperature controller and flow controller on described the second control circuit.
Compared with prior art, the beneficial effects of the utility model are:
The utility model is by the signal controlling inlet valve of control circuit and the aperture of inlet valve, thereby control the heating agent feed pipe to the speed of charging in the esterification heat exchanger and cooling material feed pipe to the esterification knockout tower in the speed of charging, guarantee that esterification knockout tower temperature is able to accurate control.It is higher that the temperature 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 control system that Fig. 1 is the utility model esterification knockout tower.
Wherein:
Esterification knockout tower 1, the first temperature sensor 1.1, the second temperature sensor 1.2
Esterification heat exchanger 2
Heating agent feed pipe 3, the first inlet valve 3.1
The first control circuit 4, the first temperature controller 4.1, pressure controller 4.2
Cooling material feed pipe 5, the second inlet valve 5.1
The second control circuit 6, the second temperature controller 6.1, flow controller 6.2.
The specific embodiment
Referring to Fig. 1, the temperature control system of a kind of esterification knockout tower that the utility model relates to, it comprises 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 the first temperature sensor 1.1, the charging aperture of described esterification heat exchanger 2 is connected with heating agent feed pipe 3, be provided with the first inlet valve 3.1 on described heating agent feed pipe 3, be provided with the first control circuit 4 between described the first temperature sensor 1.1 and the first inlet valve 3.1, be disposed with from front to back the first temperature controller 4.1 and pressure controller 4.2 on described the first control circuit 4, the charging aperture of described esterification knockout tower 1 is connected with cooling material feed pipe 5, be provided with the second inlet valve 5.1 on described cooling material feed pipe 5, the top of described esterification knockout tower 1 is provided with the second temperature sensor 1.2, be provided with the second control circuit 6 between described the second temperature sensor 1.2 and the second inlet valve 5.1, be disposed with from front to back the second temperature controller 6.1 and flow controller 6.2 on described the second control circuit 6.
Claims (1)
1. the temperature control system of an esterification knockout tower, it is characterized in that it comprises 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 the first temperature sensor (1.1), the charging aperture of described esterification heat exchanger (2) is connected with heating agent feed pipe (3), be provided with the first inlet valve (3.1) on described heating agent feed pipe (3), be provided with the first control circuit (4) between described the first temperature sensor (1.1) and the first inlet valve (3.1), be disposed with from front to back the first temperature controller (4.1) and pressure controller (4.2) on described the first control circuit (4), the charging aperture of described esterification knockout tower (1) is connected with cooling material feed pipe (5), be provided with the second inlet valve 5.1(5.1 on described cooling material feed pipe (5)), the top of described esterification knockout tower (1) is provided with the second temperature sensor (1.2), described the second temperature sensor (1.2) and the second inlet valve 5.1(5.1) between be provided with the second control circuit (6), be disposed with from front to back the second temperature controller (6.1) and flow controller (6.2) on described the second control circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320304002 CN203342418U (en) | 2013-05-30 | 2013-05-30 | Temperature control system of esterification separation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320304002 CN203342418U (en) | 2013-05-30 | 2013-05-30 | Temperature control system of esterification separation column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342418U true CN203342418U (en) | 2013-12-18 |
Family
ID=49742360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320304002 Expired - Fee Related CN203342418U (en) | 2013-05-30 | 2013-05-30 | Temperature control system of esterification separation column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203342418U (en) |
-
2013
- 2013-05-30 CN CN 201320304002 patent/CN203342418U/en not_active Expired - Fee Related
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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 |