CN207401185U - A kind of esterification reaction process continuous dehydration device - Google Patents
A kind of esterification reaction process continuous dehydration device Download PDFInfo
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- CN207401185U CN207401185U CN201721436414.4U CN201721436414U CN207401185U CN 207401185 U CN207401185 U CN 207401185U CN 201721436414 U CN201721436414 U CN 201721436414U CN 207401185 U CN207401185 U CN 207401185U
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Abstract
The utility model patent discloses a kind of esterification reaction process continuous dehydration device, it is characterised in that：Including reaction kettle of the esterification, the steam (vapor) outlet connection charging pump inlet of the reaction kettle of the esterification, the outlet connection infiltration evaporation membrane separation device of the feed pump；The infiltration evaporation membrane separation device includes at least one set of infiltration vaporization membrane module, and the infiltration vaporization membrane module includes material inlet, penetrating fluid outlet and concentrated solution outlet；The concentrated solution outlet connects refining plant by concentrating pipeline, and reaction kettle of the esterification is connected by reflux line；The penetrating fluid outlet once connects condenser and vacuum pump, the condensate outlet connection infiltration flow container of the condenser successively by penetrating fluid pipeline.Esterification reaction process continuous dehydration device described in the utility model for continuous dehydration in esterification reaction process, has the advantages that low energy consumption, can directly remove the moisture in esterification, think forward reaction progress beneficial to esterification.
Description
Technical field
The utility model is related to dehydration of organic solvent field, more particularly to a kind of esterification reaction process continuous dehydration device.
Background technology
Esterification is a kind of organic chemical reactions, is reaction of the alcohol with carboxylic acid or oxygen-containing inorganic acid generation ester and water.By
In esterification be a reversible process, and react it is extremely slow, conversion ratio is limited.To solve this problem, it is traditional
Technique is by heating and accelerating stirring to promote esterification, but the water generated in reacting can inhibit reaction and be carried out to positive direction,
Therefore need moisture, promote the movement of balance.Existing dehydration.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of equipment investment is few, low energy consumption, can continuously take off
The esterification reaction process continuous dehydration device of water.
In order to achieve the above objectives, the technical solution that the utility model is proposed is：A kind of esterification reaction process continuous dehydration
Device, it is characterised in that：Including reaction kettle of the esterification, the steam (vapor) outlet connection charging pump inlet of the reaction kettle of the esterification is described
Feed pump outlet connection infiltration evaporation membrane separation device；The infiltration evaporation membrane separation device includes at least one set of permeate
Vaporization membrane module, the infiltration vaporization membrane module include material inlet, penetrating fluid outlet and concentrated solution outlet；The concentration
Liquid outlet connects refining plant by concentrating pipeline, and reaction kettle of the esterification is connected by reflux line；The penetrating fluid outlet passes through
Penetrating fluid pipeline is sequentially connected condenser and vacuum pump, the condensate outlet connection infiltration flow container of the condenser；Described
Zeolite molecular sieve inoranic membrane is equipped in infiltration vaporization membrane module, the zeolite molecular sieve inoranic membrane is NaA type zeolite molecular sieves
Inoranic membrane, T-shaped zeolite molecular sieve inoranic membrane or ZSM-5 type zeolite molecular sieve inoranic membranes.
Preferably, the Pervaporation membrane separator is in series by least two groups of infiltration vaporization membrane modules.
Preferably, the ester-based organic compound includes Ethyl formate esterification, ethyl acetate esterification or butyric acid second
Ester esterification.
Using above-mentioned technical proposal, esterification reaction process continuous dehydration device described in the utility model is anti-for being esterified
Should during continuous dehydration, have that low energy consumption, can directly remove the moisture in esterification, think beneficial to esterification positive anti-
The advantages that should carrying out, it is inorganic for NaA type zeolite molecular sieves inoranic membrane, T-shaped zeolite molecular sieve to be particularly zeolite molecular sieve inoranic membrane
Film or ZSM-5 type zeolite molecular sieve inoranic membranes, have many advantages, such as that dehydrating effect is good.
Description of the drawings
Fig. 1 is esterification reaction process continuous dehydration apparatus structure schematic diagram described in the utility model；
Fig. 2 is infiltration vaporization membrane module structure diagram described in the utility model.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is described further.
As shown in Figure 1 and Figure 2, esterification reaction process continuous dehydration device described in the utility model, including reaction kettle of the esterification
11, steam (vapor) outlet connection 12 import of feed pump of the reaction kettle of the esterification 11, the outlet connection infiltration of the feed pump 12
Vaporize membrane separation device 13；Infiltration evaporation membrane separation device 13 includes the infiltration vaporization membrane module 131 of three string formations connection, and described oozes
Saturating vaporization membrane module 131 includes material inlet 1310, penetrating fluid outlet 1311 and concentrated solution outlet 1312；The concentrate goes out
Mouth 1312 connects refining plant 16 by concentrating pipeline 15, passes through reflux line 14 and connects reaction kettle of the esterification 11；The penetrating fluid
Outlet 1311 is sequentially connected condenser 18 and vacuum pump 19, the condensate outlet of the condenser 18 by penetrating fluid pipeline 17
Connection infiltration flow container 20；Zeolite molecular sieve inoranic membrane, the zeolite molecular sieve are equipped in the infiltration vaporization membrane module 131
Inoranic membrane is NaA type zeolite molecular sieves inoranic membrane, T-shaped zeolite molecular sieve inoranic membrane or ZSM-5 type zeolite molecular sieve inoranic membranes.
Preferably, the Pervaporation membrane separator 13 is in series by least two groups of infiltration vaporization membrane modules 131.
When it is implemented, acid, alcohol carry out esterification in reaction kettle of the esterification, esterification steam is delivered to through feed pump
It is dehydrated in infiltration evaporation membrane separation device, the infiltration vaporization membrane module that three string formations join in infiltration evaporation membrane separation device oozes
Be equipped with zeolite molecular sieve inoranic membrane in saturating vaporization membrane module, the zeolite molecular sieve inoranic membrane for NaA types zeolite molecular sieve without
Machine film, T-shaped zeolite molecular sieve inoranic membrane or ZSM-5 type zeolite molecular sieve inoranic membranes, in infiltration evaporation membrane separation device, water vapour
It is collected in through zeolite molecular sieve inoranic membrane through penetrating fluid pipeline in infiltration flow container, the component being trapped then is back to esterification
Further reaction or concentrated pipeline are collected in refining plant and are further refining to obtain target product in kettle；Empirical tests, the device
For Ethyl formate, ethyl acetate, ethyl butyrate esterification, can be with energy saving 58%, yield improves more than 20%.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model is made a variety of changes, be the scope of protection of the utility model.
Claims (3)
1. a kind of esterification reaction process continuous dehydration device, it is characterised in that：Including reaction kettle of the esterification, the reaction kettle of the esterification
Steam (vapor) outlet connection charging pump inlet, the feed pump outlet connection infiltration evaporation membrane separation device；The infiltration
Vaporizing membrane separation device includes at least one set of infiltration vaporization membrane module, and the infiltration vaporization membrane module includes material inlet, oozes
Transparent liquid exports and concentrated solution outlet；The concentrated solution outlet connects refining plant by concentrating pipeline, is connected by reflux line
Connect reaction kettle of the esterification；The penetrating fluid outlet is sequentially connected condenser and vacuum pump, the condenser by penetrating fluid pipeline
Condensate outlet connection infiltration flow container；Zeolite molecular sieve inoranic membrane, the boiling are equipped in the infiltration vaporization membrane module
Stone molecular sieve inoranic membrane is NaA type zeolite molecular sieves inoranic membrane, T-shaped zeolite molecular sieve inoranic membrane or ZSM-5 type zeolite molecular sieves
Inoranic membrane.
2. a kind of esterification reaction process continuous dehydration device according to claim 1, it is characterised in that：The infiltration vapour
Change membrane separator to be in series by least two groups of infiltration vaporization membrane modules.
3. a kind of esterification reaction process continuous dehydration device according to claim 1, it is characterised in that：The esterification is anti-
It should be Ethyl formate esterification, ethyl acetate esterification or ethyl butyrate esterification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436414.4U CN207401185U (en) | 2017-11-01 | 2017-11-01 | A kind of esterification reaction process continuous dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436414.4U CN207401185U (en) | 2017-11-01 | 2017-11-01 | A kind of esterification reaction process continuous dehydration device |
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| Publication Number | Publication Date |
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| CN207401185U true CN207401185U (en) | 2018-05-25 |
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| CN201721436414.4U Active CN207401185U (en) | 2017-11-01 | 2017-11-01 | A kind of esterification reaction process continuous dehydration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307920A (en) * | 2021-07-30 | 2022-04-12 | 江苏雷蒙新材料有限公司 | Continuous production system and production process of polyol acetate |
-
2017
- 2017-11-01 CN CN201721436414.4U patent/CN207401185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307920A (en) * | 2021-07-30 | 2022-04-12 | 江苏雷蒙新材料有限公司 | Continuous production system and production process of polyol acetate |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190430 Address after: 361000 Fourth Floor, 53 Chengyi North Street, Xiamen Software Park Phase III, Fujian Province Patentee after: Xiamen central water Polytron Technologies Inc Address before: 361000 Building 106-A, Fortune Plaza, Jinshan, 2368 Huazhong Road, Huli District, Xiamen City, Fujian Province Patentee before: Xiamen Zhi Bo Hongsi Environmental Technology Co. Ltd. |