CN205815163U - A kind of phthalic anhydride refining system - Google Patents
A kind of phthalic anhydride refining system Download PDFInfo
- Publication number
- CN205815163U CN205815163U CN201620710374.7U CN201620710374U CN205815163U CN 205815163 U CN205815163 U CN 205815163U CN 201620710374 U CN201620710374 U CN 201620710374U CN 205815163 U CN205815163 U CN 205815163U
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- China
- Prior art keywords
- tower
- jet pump
- steam jet
- condenser
- residue
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- Expired - Fee Related
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
This utility model belongs to phthalic anhydride refining system field.System includes lights column, product tower, residue tower, lights column condenser, product tower condenser, residue tower condenser, vacuum trap, lights column steam jet pump, product tower steam jet pump, residue tower steam jet pump and scrubbing tower；Lights column condenser is positioned at the top of lights column, and product tower condenser is positioned at the top of product tower, and residue tower condenser is positioned at the top of residue tower；The other end of lights column condenser connects vacuum trap by pipeline, the other end of product tower condenser connects vacuum trap by pipeline, the other end of residue tower condenser connects vacuum trap by pipeline；The other end of vacuum trap connects lights column steam jet pump, product tower steam jet pump and residue tower steam jet pump respectively by pipeline；The other end of lights column steam jet pump, product tower steam jet pump and residue tower steam jet pump all connects scrubbing tower by pipeline.This utility model makes vacuum system operation more stable, and improves the response rate of gas phase phthalic anhydride.
Description
Technical field
This utility model belongs to phthalic anhydride refining system field.
Background technology
Gas produced by original design lights column steam jet ejector is directly entered scrubbing tower, due to the gas gas-phase objects volleyed
In material, contained phthalic anhydride composition is more, easily causes the plug nozzle that lights column steam jet ejector is regular, affects vacuum, and
The phthalic anhydride in material is caused to lose；The component that ejector pump is extracted out injects directly into scrubbing tower, owing to phthalic anhydride is water insoluble, and ejector pump
The component extracted out easily causes scrubbing tower blocking after injecting directly into scrubbing tower, affect plant running stability.
Utility model content
This utility model provides a kind of safe operation cycle that can extend whole device, improves the phthalic anhydride essence of product yield
System processed.
A kind of phthalic anhydride refining system, including lights column, product tower, residue tower, lights column condenser, the condensation of product tower
Device, residue tower condenser, vacuum trap, lights column steam jet pump, product tower steam jet pump, residue tower steam spray
Pump and scrubbing tower；
Described lights column condenser is positioned at the top of lights column, and product tower condenser is positioned at the top of product tower, residual
Slag tower condenser is positioned at the top of residue tower；
The other end of described lights column condenser connects vacuum trap, the other end of product tower condenser by pipeline
Connect vacuum trap by pipeline, the other end of residue tower condenser connects vacuum trap by pipeline；
The other end of vacuum trap connects lights column steam jet pump, product tower steam jet pump respectively by pipeline
With residue tower steam jet pump；
The other end of described lights column steam jet pump, product tower steam jet pump and residue tower steam jet pump is the most logical
Piping connects scrubbing tower.
Further, described pipeline is Venturi tube.
After using technique scheme, this utility model has the advantages that
Effectively reduce cost of investment, improve device operation efficiency, improve conversion rate of products, decrease energy
Consumption, improve the phthalic anhydride response rate, can fluidization stable operation, improve lights column operation stability, improve product matter simultaneously
Amount, alleviates the workload of employee, improves utilization rate of equipment and installations.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is further explained explanation.
A kind of phthalic anhydride refining system, as it is shown in figure 1, include that lights column 1, product tower 2, residue tower 3, lights column condense
Device 4, product tower condenser 5, residue tower condenser 6, vacuum trap 7, lights column steam jet pump 8, product tower steam spray
Penetrate pump 9, residue tower steam jet pump 10 and scrubbing tower 11；
Described lights column condenser 4 is positioned at the top of lights column 1, and product tower condenser 5 is positioned at the top of product tower 2
Portion, residue tower condenser 6 is positioned at the top of residue tower 3；
The other end of described lights column condenser 4 connects vacuum trap 7, product tower condenser 5 by Venturi tube
The other end by Venturi tube connect vacuum trap 7, residue tower condenser 6 the other end by pipeline connect vacuum trap
Device 7；
The other end of vacuum trap 7 connects lights column steam jet pump 8, product tower steam respectively by Venturi tube
Ejector pump 9 and residue tower steam jet pump 10；
Described lights column steam jet pump 8, product tower steam jet pump 9 and the other end of residue tower steam jet pump 10
All connect scrubbing tower 11 by pipeline.
This utility model from lights column 1, product tower 2, residue tower 3 out be all gas, respectively through lights column
After the cooling of condenser 4, product tower condenser 5, residue tower condenser 6, major part gaseous state becomes liquid, enters back into vacuum trap
After 7, liquid becomes solid-state, does not become then spraying of gaseous state respectively through lights column steam jet pump 8, product tower steam
Pump 9 and residue tower steam jet pump 10, finally collect at scrubbing tower 11, owing to solid-state is substantially all shape in vacuum trap 7
Become, seldom cause the loss of material；And seldom portion gas is through lights column steam jet pump 8, product tower steam jet pump
9, residue tower steam jet pump 10, so certain blocking will not be caused to the pump mouth of the ejector pump in later stage.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (2)
1. a phthalic anhydride refining system, it is characterised in that include lights column, product tower, residue tower, lights column condenser,
Product tower condenser, residue tower condenser, vacuum trap, lights column steam jet pump, product tower steam jet pump, residue
Tower steam jet pump and scrubbing tower；
Described lights column condenser is positioned at the top of lights column, and product tower condenser is positioned at the top of product tower, residue tower
Condenser is positioned at the top of residue tower；
The other end of described lights column condenser connects vacuum trap by pipeline, the other end of product tower condenser passes through
Pipeline connects vacuum trap, the other end of residue tower condenser connects vacuum trap by pipeline；
The other end of vacuum trap connects lights column steam jet pump, product tower steam jet pump and residual respectively by pipeline
Slag tower steam jet pump；
The other end of described lights column steam jet pump, product tower steam jet pump and residue tower steam jet pump is all by pipe
Road connects scrubbing tower.
2. phthalic anhydride refining system as claimed in claim 1, it is characterised in that described pipeline is Venturi tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710374.7U CN205815163U (en) | 2016-07-07 | 2016-07-07 | A kind of phthalic anhydride refining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710374.7U CN205815163U (en) | 2016-07-07 | 2016-07-07 | A kind of phthalic anhydride refining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205815163U true CN205815163U (en) | 2016-12-21 |
Family
ID=57564923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620710374.7U Expired - Fee Related CN205815163U (en) | 2016-07-07 | 2016-07-07 | A kind of phthalic anhydride refining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205815163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349064A (en) * | 2020-03-04 | 2020-06-30 | 北京泽华化学工程有限公司 | Process for rectifying and separating crude phthalic anhydride mixture by using dividing wall tower |
-
2016
- 2016-07-07 CN CN201620710374.7U patent/CN205815163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111349064A (en) * | 2020-03-04 | 2020-06-30 | 北京泽华化学工程有限公司 | Process for rectifying and separating crude phthalic anhydride mixture by using dividing wall 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: 20161221 Termination date: 20190707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |