CN2688707Y - Continuous producing apparatus for separating and refining isocapryl acrylate - Google Patents
Continuous producing apparatus for separating and refining isocapryl acrylate Download PDFInfo
- Publication number
- CN2688707Y CN2688707Y CN 200420000874 CN200420000874U CN2688707Y CN 2688707 Y CN2688707 Y CN 2688707Y CN 200420000874 CN200420000874 CN 200420000874 CN 200420000874 U CN200420000874 U CN 200420000874U CN 2688707 Y CN2688707 Y CN 2688707Y
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- CN
- China
- Prior art keywords
- pipeline
- isooctyl acrylate
- acrylate monomer
- refining
- tata still
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Abstract
The utility model provides a simple and effective continuous producing apparatus for separating and refining isooctyl acrylate, which can save electric energy and maintenance cost, reduce construction cost and save investment of capital construction, comprising a distillation column by which alcohol ester can be separated into isooctanol and isooctyl acrylate, a thermosyphon reboiler which is connected and matched with the distillation column kettle and a kettle outlet pot used to store kettle liquid from the distillation column kettle. The utility model is characterized in that the kettle outlet pot is directly communicated with the distillation column kettle by a pipeline; the horizontal height of the inner part of the pipeline is as high as the control liquid level in the distillation column kettle.
Description
Technical field
The utility model relates to the rectifier unit in organic chemical industry's distillation technology field, and particularly a kind of Isooctyl acrylate monomer separates, refining, serialization production equipment.
Background technology
In the Isooctyl acrylate monomer production process, isooctyl alcohol, Isooctyl acrylate monomer separate and product purification, and domestic technique is in the batch production operation.Introduction of foreign technology is taked self-service instrument control, serialization production, and its rectifying Tata still adopts thermosyphon reboiler usually, regulates tower still still output control tower still liquid level.The equipment instrument is many, and investment is high, the maintenance cost height, and power consumption is high.Vinylformic acid and isooctyl alcohol carry out esterification, generate Isooctyl acrylate monomer and water and excessive isooctyl alcohol, so it is dried up to need elder generation to divide, carries out alcohol ester again and separate.Alcohol ester liquid enters the rectification under vacuum tower by rectifying tower alcohol ester liquid opening for feed, enter in the tubulation of reboiler by circulating pipe system again, be recycled to the rectification under vacuum tower behind the heat of absorption steam, carrying out alcohol ester in tower continuously separates, i.e. alcohol rising distillates from tower top outlet, and ester sinks down into the outlet of tower still ester, and the liquid level of tower still lactone liquid is indicated by the tower bottoms bit table, when liquid level was too high, going out the pump still by electrical equipment control tower still, to go out Isooctyl acrylate monomer to ester jar be in the reactor tank.
The utility model content
The utility model is too much and technology controlling and process complicated technology defective at the equipment instrument that exists in the prior art, provide a kind of simple effectively, thereby can saves energy, save maintenance cost, reduce construction costs, the Isooctyl acrylate monomer of saving capital construction investment separates, refining, serialization production equipment.
The technical solution of the utility model is as follows:
Isooctyl acrylate monomer separates, refining, serialization production equipment, comprise the rectifying tower that alcohol ester liquid is separated into isooctyl alcohol and Isooctyl acrylate monomer, with the supporting thermosyphon reboiler that is connected of this rectifying Tata still, and to store described rectifying Tata still liquid from reactor be the reactor tank of Isooctyl acrylate monomer, it is characterized in that: described reactor tank directly is communicated with by pipeline with described rectifying Tata still, and the level height in the described pipeline is concordant with the control liquid level of described rectifying Tata still.
The fluid inlet of described pipeline is positioned at described rectifying Tata still bottom.
Described pipeline by level bending again after upwards bending, forms one section horizontal pipeline section after stretch out rectifying Tata still bottom, the level height in this horizontal pipeline section is concordant with the control liquid level of described rectifying Tata still.
Described pipeline is connected to described reboiler circulation line by threeway after stretch out rectifying Tata still bottom.
Described bending place is provided with tube stub.
The fluid inlet of described pipeline is positioned on the control liquid level line of described rectifying Tata still.
Technique effect of the present utility model is as follows:
Because Isooctyl acrylate monomer of the present utility model separates, refining, the serialization production equipment, adopted the mode that reactor tank and rectifying Tata still directly are communicated with by pipeline, and make that the level height in the pipeline is concordant with the control liquid level of rectifying Tata still, this design just makes this pipeline become the liquid from reactor overflow line, guarantee the control liquid level of rectifying Tata still, liquid from reactor is that to enter reactor tank in the overflow mode be the ester jar to Isooctyl acrylate monomer, realize " liquid level that weighs certainly control ", in actual use, its rectification effect reaches the separation of level of existing imported technology automatization control, it is produced and realizes the continuous production operation, and its quality product reaches GB; Compared with prior art, the utility model be a kind of simple effectively, thereby can saves energy, save maintenance cost, reduce construction costs, the Isooctyl acrylate monomer of saving capital construction investment separates, refining, serialization production equipment.
Because the fluid inlet of pipeline is positioned at rectifying Tata still bottom, this just can with rectifying tower compatibility of the prior art, be convenient to enforcement.
Because pipeline is after stretch out rectifying Tata still bottom, by level bending again after upwards bending, form one section horizontal pipeline section, level height in this horizontal pipeline section is concordant with the control liquid level of rectifying Tata still, this just helps the transport flow of spillage in the pipeline, and installation or the relative position of being convenient to reactor tank and rectifying Tata still are determined.
Because pipeline is connected to the reboiler circulation line by threeway after stretch out rectifying Tata still bottom, this just both helped serialization production, can save pipeline or pipeline again.
Because the bending place is provided with tube stub, this facilitates enforcement.
Because the fluid inlet of pipeline is positioned on the control liquid level line of rectifying Tata still, that is to say at the sidepiece of rectifying Tata still and directly offer overflow port, in the rectifying tower operating process, guarantee certain liquid level automatically, isolated liquid from reactor enters reactor tank in the mode of overflow, realize automatic liquid level control, promptly realize equally " liquid level that weighs certainly control ".
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of alcohol ester rectifying separation device in the prior art.
Mark lists as follows among the figure:
1. rectifying tower; 2. reboiler; 3. the tower still goes out pump; 4. reactor tank is the ester jar; 5. tower bottoms bit table; 6. still goes out variable valve; 7. liquid from reactor strainer; 8. bottom the tower still; 9. cat head alcohol outlet; 10. tower still ester outlet; 11. rectifying tower alcohol ester liquid opening for feed; 12. steam input pipe; 13. lime set output tube; 14. control liquid level; 15. pipeline fluid inlet; 16. upwards bending; 17. level bending; 18. horizontal pipeline section; 19. pipeline liquid outlet.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, Isooctyl acrylate monomer of the present utility model separates, refining, serialization production equipment, comprise the rectifying tower 1 that alcohol ester liquid is separated into isooctyl alcohol and Isooctyl acrylate monomer, with the supporting thermosyphon reboiler that is connected 2 of the tower still of this rectifying tower 1, and to store described rectifying Tata still liquid from reactor be the reactor tank 4 of Isooctyl acrylate monomer, reactor tank 4 directly is communicated with by pipeline with rectifying Tata still, and the level height in the described pipeline is concordant with the control liquid level 14 of described rectifying Tata still; Pipeline fluid inlet 15 is positioned at rectifying Tata still bottom 8; Pipeline by level bending 17 again after upwards bending 16, forms one section horizontal pipeline section 18 after stretch out rectifying Tata still bottom 8, this horizontal pipeline section 18 is concordant with the control liquid level 14 of rectifying Tata still; Pipeline is connected to the reboiler circulation line by threeway after stretch out rectifying Tata still bottom 8; The bending place is provided with tube stub.
The pipeline fluid inlet can also be positioned on the control liquid level line of rectifying Tata still.
Serialization production process as shown in Figure 1 is as follows: alcohol ester liquid enters in the rectifying tower 1 by rectifying tower alcohol ester liquid opening for feed 11, enter in the tubulation of reboiler 2 by circulating pipe system again, heating steam enters the reboiler 2 from steam input pipe 12, by exporting from lime set output tube 13 after the thermal exchange, be recycled to rectifying tower 1 behind the heat of alcohol ester liquid absorption steam, carrying out alcohol ester in tower continuously separates, promptly alcohol rises toward cat head alcohol outlet 9, and ester sinks down into tower still ester outlet 10, when the liquid level of rectifying Tata still rises to control liquid level 14, because it exceeds the liquid from reactor overflow line, it is in the ester jar 4 that Isooctyl acrylate monomer will flow to reactor tank from pipeline liquid outlet 19 automatically, guarantee can not occur to exceed the phenomenon of the control liquid level 14 of rectifying Tata still, thereby realize " liquid level that weighs certainly control ".
Compare with Fig. 2 by Fig. 1, the structure of alcohol ester rectifying separation device is comparatively complicated in the prior art, the equipment instrument that has more comprises that at least the tower still goes out pump 3, still goes out variable valve 6 and relevant electric apparatus control apparatus, and the installation of liquid from reactor strainer 7 and tower bottoms bit table 5 design has brought structural complexity also for alcohol ester rectifying separation device in addition.
The above only is a preferred implementation of the present utility model.Should be pointed out that for a person skilled in the art, according to the same principle of invention of the utility model, can also make many distortion and improvement, but these all fall into protection domain of the present utility model.
Claims (6)
1. Isooctyl acrylate monomer separation, refining, serialization production equipment, comprise the rectifying tower that alcohol ester liquid is separated into isooctyl alcohol and Isooctyl acrylate monomer, with the supporting thermosyphon reboiler that is connected of this rectifying Tata still, and to store described rectifying Tata still liquid from reactor be the reactor tank of Isooctyl acrylate monomer, it is characterized in that: described reactor tank directly is communicated with by pipeline with described rectifying Tata still, and the level height in the described pipeline is concordant with the control liquid level of described rectifying Tata still.
2. Isooctyl acrylate monomer according to claim 1 separates, refining, serialization production equipment, it is characterized in that: the fluid inlet of described pipeline is positioned at described rectifying Tata still bottom.
3. Isooctyl acrylate monomer according to claim 2 separates, refining, serialization production equipment, it is characterized in that: described pipeline is after stretch out rectifying Tata still bottom, by level bending again after upwards bending, form one section horizontal pipeline section, the level height in this horizontal pipeline section is concordant with the control liquid level of described rectifying Tata still.
4. Isooctyl acrylate monomer according to claim 3 separates, refining, serialization production equipment, and it is characterized in that: described pipeline is connected to described reboiler circulation line by threeway after stretch out rectifying Tata still bottom.
5. Isooctyl acrylate monomer according to claim 4 separates, refining, serialization production equipment, and it is characterized in that: described bending place is provided with tube stub.
6. Isooctyl acrylate monomer according to claim 1 separates, refining, serialization production equipment, and it is characterized in that: the fluid inlet of described pipeline is positioned on the control liquid level line of described rectifying Tata still.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420000874 CN2688707Y (en) | 2004-01-19 | 2004-01-19 | Continuous producing apparatus for separating and refining isocapryl acrylate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420000874 CN2688707Y (en) | 2004-01-19 | 2004-01-19 | Continuous producing apparatus for separating and refining isocapryl acrylate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2688707Y true CN2688707Y (en) | 2005-03-30 |
Family
ID=34667394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420000874 Expired - Fee Related CN2688707Y (en) | 2004-01-19 | 2004-01-19 | Continuous producing apparatus for separating and refining isocapryl acrylate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2688707Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262148A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | System device for recycling distillation recycling material in esterification reaction of iso-octyl acrylate |
| CN104258589A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | Tower kettle reboiler cooling system device in 2-ethylhexyl acrylate esterification reaction |
| US11406911B2 (en) | 2017-07-07 | 2022-08-09 | Lg Chem, Ltd. | Dispersion plate and purification column including the same |
-
2004
- 2004-01-19 CN CN 200420000874 patent/CN2688707Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104262148A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | System device for recycling distillation recycling material in esterification reaction of iso-octyl acrylate |
| CN104258589A (en) * | 2014-09-24 | 2015-01-07 | 南通中泰化工有限公司 | Tower kettle reboiler cooling system device in 2-ethylhexyl acrylate esterification reaction |
| CN104262148B (en) * | 2014-09-24 | 2017-02-01 | 江苏国胶化学科技有限公司 | System device for recycling distillation recycling material in esterification reaction of iso-octyl acrylate |
| US11406911B2 (en) | 2017-07-07 | 2022-08-09 | Lg Chem, Ltd. | Dispersion plate and purification column including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |