CN203342753U - Heating medium feeding pipeline control system of esterification device - Google Patents
Heating medium feeding pipeline control system of esterification device Download PDFInfo
- Publication number
- CN203342753U CN203342753U CN 201320303873 CN201320303873U CN203342753U CN 203342753 U CN203342753 U CN 203342753U CN 201320303873 CN201320303873 CN 201320303873 CN 201320303873 U CN201320303873 U CN 201320303873U CN 203342753 U CN203342753 U CN 203342753U
- Authority
- CN
- China
- Prior art keywords
- esterification
- heating medium
- feed pipe
- feeding pipeline
- heating agent
- Prior art date
- 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
Links
Abstract
The utility model relates to a heating medium feeding pipeline control system of an esterification device. The heating medium feeding pipeline control system of the esterification device comprises an esterification heat exchange tank (1) and an esterification separation column (2), wherein the feed port of the esterification heat exchange tank (1) is connected with a first heating medium feeding pipeline (3); a first control circuit (4) is arranged between a first feed valve (3.1) and a first pressure transmitter (3.2) which are arranged on the first heating medium feeding pipeline (3); the feed port of the esterification separation column (2) is connected with a second heating medium feeding pipeline (5); a second control circuit (6) is arranged between a second feed valve (5.1) and a second pressure transmitter (5.2) which are arranged on the second heating medium feeding pipeline (5). The heating medium feeding pipeline control system of the esterification device has the advantages of relatively high pressure control precision and labor saving.
Description
Technical field
The utility model relates to a kind of esterification device, relates in particular to a kind of heating agent feed pipe control system of esterification device, belongs to the chemical industry equipment field.
Background technology
In producing PET Process, need in esterification device, add heating agent, esterification device comprises esterification heat exchange tank and esterification knockout tower, the more difficult control of pressure in traditional esterification heat exchange tank and esterification knockout tower, need to regulate the speed of heating agent feed pipe to feed in esterification device manually.For the maximization production line, if need workman's manual operation, waste a large amount of artificial, and the more difficult assurance of esterification device internal pressure control accuracy.Therefore seek a kind of pressure controling precision higher, the heating agent feed pipe control system of saving artificial esterification device is particularly important.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of pressure controling precision higher, saves the heating agent feed pipe control system of artificial esterification device.
The purpose of this utility model is achieved in that
A kind of heating agent feed pipe control system of esterification device, comprise esterification heat exchange tank and esterification knockout tower, be connected with feed pipe and feed back pipeline between esterification heat exchange tank and esterification knockout tower, the charging aperture of described esterification heat exchange tank is connected with the first heating agent feed pipe, be disposed with from front to back the first inlet valve and the first pressure transmitter on described the first heating agent feed pipe, be provided with the first control circuit between described the first inlet valve and the first pressure transmitter, be provided with the first pressure controller on described the first control circuit, the charging aperture of described esterification knockout tower is connected with the second heating agent feed pipe, be disposed with from front to back the second inlet valve and the second pressure transmitter on described the second heating agent feed pipe, be provided with the second control circuit between described the second inlet valve and the second pressure transmitter, be provided with the second pressure controller on described the second control circuit.
Compared with prior art, the beneficial effects of the utility model are:
The utility model passes through the aperture of the signal controlling inlet valve of control circuit, thereby controls the feeding speed of heating agent feed pipe to esterification device, guarantees that esterification device pressure is able to accurate control.It is higher that the heating agent feed pipe control system of this esterification device has a pressure controling precision, saves artificial advantage.
The accompanying drawing explanation
The structural representation of the heating agent feed pipe control system that Fig. 1 is the utility model esterification device.
Wherein:
Esterification heat exchange tank 1
Esterification knockout tower 2
The first heating agent feed pipe 3, the first inlet valve 3.1, the first pressure transmitter 4.2
The first control circuit 4, the first pressure controller 5.1.
The second heating agent feed pipe 5, the second inlet valve 5.1, the second pressure transmitter 5.2
The second control circuit 6, the second pressure controller 6.1
Heating agent feed total pipeline 7.
The specific embodiment
Referring to Fig. 1, the heating agent feed pipe control system of a kind of esterification device that the utility model relates to, comprise esterification heat exchange tank 1 and esterification knockout tower 2, be connected with feed pipe and feed back pipeline between esterification heat exchange tank 1 and esterification knockout tower 2, the charging aperture of described esterification heat exchange tank 1 is connected with the first heating agent feed pipe 3 be connected with heating agent feed total pipeline 7, be disposed with from front to back the first inlet valve 3.1 and the first pressure transmitter 3.2 on described the first heating agent feed pipe 3, be provided with the first control circuit 4 between described the first inlet valve 3.1 and the first pressure transmitter 3.2, be provided with the first pressure controller 5.1 on described the first control circuit 4, the charging aperture of described esterification knockout tower 2 is connected with the second heating agent feed pipe 5 be connected with heating agent feed total pipeline 7, be disposed with from front to back the second inlet valve 5.1 and the second pressure transmitter 5.2 on described the second heating agent feed pipe 5, be provided with the second control circuit 6 between described the second inlet valve 5.1 and the second pressure transmitter 5.2, be provided with the second pressure controller 6.1 on described the second control circuit 6.
Claims (1)
1. the heating agent feed pipe control system of an esterification device, comprise esterification heat exchange tank (1) and esterification knockout tower (2), be connected with feed pipe and feed back pipeline between described esterification heat exchange tank (1) and esterification knockout tower (2), the charging aperture that it is characterized in that described esterification heat exchange tank (1) is connected with the first heating agent feed pipe (3), be disposed with from front to back the first inlet valve (3.1) and the first pressure transmitter (3.2) on described the first heating agent feed pipe (3), be provided with the first control circuit (4) between described the first inlet valve (3.1) and the first pressure transmitter (3.2), be provided with the first pressure controller (5.1) on described the first control circuit (4), the charging aperture of described esterification knockout tower (2) is connected with the second heating agent feed pipe (5), be disposed with from front to back the second inlet valve (5.1) and the second pressure transmitter (5.2) on described the second heating agent feed pipe (5), be provided with the second control circuit (6) between described the second inlet valve (5.1) and the second pressure transmitter (5.2), be provided with the second pressure controller (6.1) on described the second control circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303873 CN203342753U (en) | 2013-05-30 | 2013-05-30 | Heating medium feeding pipeline control system of esterification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320303873 CN203342753U (en) | 2013-05-30 | 2013-05-30 | Heating medium feeding pipeline control system of esterification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342753U true CN203342753U (en) | 2013-12-18 |
Family
ID=49742695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320303873 Expired - Fee Related CN203342753U (en) | 2013-05-30 | 2013-05-30 | Heating medium feeding pipeline control system of esterification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203342753U (en) |
-
2013
- 2013-05-30 CN CN 201320303873 patent/CN203342753U/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 |