CN202113838U - Feed solution extracorporeal circulation system in process of dehydration and alcohol washing of plasticiser - Google Patents
Feed solution extracorporeal circulation system in process of dehydration and alcohol washing of plasticiser Download PDFInfo
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- CN202113838U CN202113838U CN2011201557870U CN201120155787U CN202113838U CN 202113838 U CN202113838 U CN 202113838U CN 2011201557870 U CN2011201557870 U CN 2011201557870U CN 201120155787 U CN201120155787 U CN 201120155787U CN 202113838 U CN202113838 U CN 202113838U
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- circulation system
- extracorporeal circulation
- dehydration
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Abstract
The utility model discloses a feed solution extracorporeal circulation system in the process of dehydration and alcohol washing of a plasticizer, comprising a reaction kettle used for containing a feed solution containing excessive alcohol coarse ester, a condenser, a condensate receiving tank, a alcohol recovery device and a water recovery device, wherein the reaction kettle, the condenser, the condensate receiving tank, the alcohol recovery device and the water recovery device are communicated through pipelines, and an alcohol washing device is arranged at the reaction kettle. The feed solution extracorporeal circulation system in the process of dehydration and alcohol washing of the plasticizer has reasonable structure; with the optimization of the structure of the extracorporeal circulation system, the good dehydration and alcohol washing effect can be reached; with the utilization of the heat of coarse ester per se, excessive alcohol is evaporated, 80 percent recovered alcohol is evaporated, and the burden of the distillation work in a next procedure is lightened, therefore, the feed solution extracorporeal circulation system in the process of dehydration and alcohol washing of the plasticizer has the advantages that, firstly, the energy is saved, a boiling point is lowered in a state of vacuum, and the final temperature is also lowered, thereby the heat energy is saved; secondly, dehydration and dealcoholization are complete, the product quality is stable, and the purification is high; and thirdly, the operation is simple, and the period is short.
Description
Technical field
The utility model relates to esterification reaction equipment, the extracorporeal circulation system of particularly a kind of plasticizer dehydration feed liquid in the pure process.
Background technology
In the prior art, after esterification finishes, contain alcohol excess in the thick ester feed liquid, this alcohol excess accounts for total alcohol amount about 19%, so must it be removed.At present, in the manufacturing enterprise of this area, the various method for dealcoholized that the colleague is adopted all are not fine, and the dealcoholysis effect is unsatisfactory.Dewatering in pure process; Adopt extracorporeal circulation system, get into thick ester pump through the agitated reactor outlet, through the extracorporal circulatory system pipeline to still in feed liquid carry out reflux cycle; Under vacuum condition; Can carry out extracorporal circulatory system to feed liquid in the still, such technology is to be difficult to realize in the same industry, and it is quite strict to equipment requirements and parameter control.Through extracorporal circulatory system the feed liquid in the still is fully replaced, pure water distillation is thorough, and product purity is high, good stability.Utilize pure and mild ester boiling point different, under vacuum condition (1-2kp2), the heat that utilizes thick ester itself to be had evaporates alcohol excess, and about 80% recovery alcohol is steamed, for the distillation work of next procedure reduces the heavy burdens.
The utility model content
The purpose of the utility model is; The extracorporeal circulation system of a kind of plasticizer reasonable in design dehydration feed liquid in the pure process is provided, through having optimized the structure of extracorporeal circulation system, thereby can reaches good dehydration towards pure effect; The heat that utilizes thick ester itself to be had; With alcohol excess evaporation, about 80% recovery alcohol is steamed, for the distillation work of next procedure reduces the heavy burdens.
The utility model for realizing the technical scheme that above-mentioned purpose adopted is:
The extracorporeal circulation system of a kind of plasticizer dehydration feed liquid in the pure process; It comprises that one is used for ccontaining agitated reactor, a condensing unit, lime set pans, a pure device of recovery and a recycle-water device that contains the thick ester feed liquid of alcohol excess; Be communicated with pipeline between this agitated reactor, condensing unit, lime set pans, the pure device of recovery and the recycle-water device, this agitated reactor place is provided with towards pure device.
Further improvement as the utility model; Said condensing unit comprises an one-level condenser and a secondary condenser; This first-stage condenser is communicated with pipeline from the top with secondary condenser; This first-stage condenser is communicated with said lime set pans with pipeline respectively from secondary condenser, and this first-stage condenser is communicated with pipeline with said agitated reactor.
As the further improvement of the utility model, said recovery alcohol device comprises a recovery alcohol jar, and the top that this recovery is pure jar is provided with a pure separator, and said pure separator is communicated with the bottom of said lime set pans, and this alcohol separator is communicated with recovery alcohol jar.
As the further improvement of the utility model, said recycle-water device comprises that one generates water pot, and this generation water pot is connected with said pure separator.
As the further improvement of the utility model, it also comprises a vacuum buffer tank, and said vacuum buffer tank is communicated with pipeline with said secondary condenser, is connected with another pipeline on this vacuum buffer tank, is provided with a valve and a vavuum pump on this another pipeline successively.
Further improvement as the utility model; Saidly comprise two axial-flow pumps towards pure device; At in said agitated reactor is provided with two outlet pipes that are provided with a plurality of openings; One end of said two axial-flow pumps is connected respectively on the said outlet pipe, and the other end of said two axial flow pump is also connected on the deionized water pipe.
The beneficial effect of the utility model is: the utility model is rational in infrastructure; Through having optimized the structure of extracorporeal circulation system; Thereby can reach good dehydration towards pure effect, the heat that utilizes thick ester itself to be had evaporates alcohol excess; About 80% recovery alcohol is steamed, for the distillation work of next procedure reduces the heavy burdens.
Have following advantage:
1, energy-conservation, boiling point reduces under vacuum, and outlet temperature also decreases, and has practiced thrift thermal energy.
2, the dehydration dealcoholysis is thorough, constant product quality, and purity is high.
3, easy and simple to handle, the cycle is short.
Below in conjunction with accompanying drawing and embodiment, the utility model is further specified.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Embodiment: see Fig. 1; The extracorporeal circulation system of a kind of plasticizer of the utility model dehydration feed liquid in the pure process; It comprises that one is used for the ccontaining agitated reactor that contains the thick ester feed liquid of alcohol excess 1, a condensing unit 2, lime set pans 3, and reclaims a pure device 4 and a recycle-water device 5; Be communicated with pipeline between this agitated reactor 1, condensing unit 2, lime set pans 3, the pure device 4 of recovery and the recycle-water device 5, this agitated reactor 1 place is provided with towards pure device 6.
Said condensing unit 2 comprises an one-level condenser 21 and a secondary condenser 22; This first-stage condenser 21 is communicated with from the top with pipeline 10 with secondary condenser 22; This first-stage condenser 21 is communicated with said lime set pans 3 with pipeline 11 respectively from secondary condenser 22, and this first-stage condenser 21 is communicated with said agitated reactor 1 usefulness pipeline 12.
The pure device 4 of said recovery comprises a recovery alcohol jar 41, and the top of this recovery alcohol jar 41 is provided with a pure separator 42, and said pure separator 42 is communicated with the bottom of said lime set pans 3, and this alcohol separator 42 is communicated with recovery alcohol jar 41.
Said recycle-water device 5 comprises that one generates water pot, and this generation water pot is connected with said pure separator 42.
It also comprises a vacuum buffer tank 7, and said vacuum buffer tank 7 is communicated with said secondary condenser 22 usefulness pipelines 13, is connected with another pipeline 14 on this vacuum buffer tank 7, is provided with a valve 8 and a vavuum pump 9 on this another pipeline 14 successively.
Saidly comprise two axial-flow pumps 61 towards pure device 6; At in said agitated reactor 1 is provided with two outlet pipes 62 that are provided with a plurality of openings; One end of said two axial-flow pumps 61 is connected respectively on the said outlet pipe 62, and the other end of said two axial flow pump 61 is also connected on the deionized water pipe 63.
Dehydration in pure process, through extracorporeal circulation system to agitated reactor 1 in feed liquid carry out reflux cycle, under vacuum condition; Can carry out extracorporal circulatory system to feed liquid in the agitated reactor 1, through extracorporal circulatory system the feed liquid in the still is fully replaced, pure water distillation thoroughly; Product purity is high, good stability.
The utility model is rational in infrastructure, through having optimized the structure of extracorporeal circulation system, thereby can reach good dehydration towards pure effect; The heat that utilizes thick ester itself to be had; With alcohol excess evaporation, about 80% recovery alcohol is steamed, for the distillation work of next procedure reduces the heavy burdens.
Embodiment is said like the utility model, with the extracorporeal circulation system of other plasticizer dehydration of the same or similar structure of the utility model feed liquid in the pure process, all in the utility model protection domain.
Claims (6)
1. the extracorporeal circulation system of plasticizer dehydration feed liquid in the pure process; It is characterized in that: it comprises that one is used for ccontaining agitated reactor, a condensing unit, lime set pans, a pure device of recovery and a recycle-water device that contains the thick ester feed liquid of alcohol excess; Be communicated with pipeline between this agitated reactor, condensing unit, lime set pans, the pure device of recovery and the recycle-water device, this agitated reactor place is provided with towards pure device.
2. the extracorporeal circulation system of plasticizer according to claim 1 dehydration feed liquid in the pure process; It is characterized in that; Said condensing unit comprises an one-level condenser and a secondary condenser; This first-stage condenser is communicated with pipeline from the top with secondary condenser, and this first-stage condenser is communicated with said lime set pans with pipeline respectively from secondary condenser, and this first-stage condenser is communicated with pipeline with said agitated reactor.
3. the extracorporeal circulation system of plasticizer according to claim 2 dehydration feed liquid in the pure process; It is characterized in that; The pure device of said recovery comprises that one reclaims the alcohol jar; The top of this recovery alcohol jar is provided with a pure separator, and said pure separator is communicated with the bottom of said lime set pans, and this alcohol separator is communicated with recovery alcohol jar.
4. the extracorporeal circulation system of plasticizer according to claim 3 dehydration feed liquid in the pure process is characterized in that said recycle-water device comprises that one generates water pot, and this generation water pot is connected with said pure separator.
5. the extracorporeal circulation system of plasticizer according to claim 4 dehydration feed liquid in the pure process; It is characterized in that; It also comprises a vacuum buffer tank; Said vacuum buffer tank is communicated with pipeline with said secondary condenser, is connected with another pipeline on this vacuum buffer tank, is provided with a valve and a vavuum pump on this another pipeline successively.
6. the extracorporeal circulation system of plasticizer according to claim 5 dehydration feed liquid in the pure process; It is characterized in that; Saidly comprise two axial-flow pumps towards pure device; At in said agitated reactor is provided with two outlet pipes that are provided with a plurality of openings, and an end of said two axial-flow pumps is connected respectively on the said outlet pipe, and the other end of said two axial flow pump is also connected on the deionized water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201557870U CN202113838U (en) | 2011-05-16 | 2011-05-16 | Feed solution extracorporeal circulation system in process of dehydration and alcohol washing of plasticiser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201557870U CN202113838U (en) | 2011-05-16 | 2011-05-16 | Feed solution extracorporeal circulation system in process of dehydration and alcohol washing of plasticiser |
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| Publication Number | Publication Date |
|---|---|
| CN202113838U true CN202113838U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201557870U Expired - Fee Related CN202113838U (en) | 2011-05-16 | 2011-05-16 | Feed solution extracorporeal circulation system in process of dehydration and alcohol washing of plasticiser |
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| CN (1) | CN202113838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786695A (en) * | 2018-06-05 | 2018-11-13 | 中国天辰工程有限公司 | A kind of reaction separation method of polyacrylamide ion retention agent |
-
2011
- 2011-05-16 CN CN2011201557870U patent/CN202113838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786695A (en) * | 2018-06-05 | 2018-11-13 | 中国天辰工程有限公司 | A kind of reaction separation method of polyacrylamide ion retention agent |
| CN108786695B (en) * | 2018-06-05 | 2020-09-08 | 中国天辰工程有限公司 | Reaction separation method of polyacrylamide type ion retention aid |
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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: 20120118 Termination date: 20200516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |