CN215691726U - Continuous dehydration distillation plant of nylon acid diisobutyl ester - Google Patents
Continuous dehydration distillation plant of nylon acid diisobutyl ester Download PDFInfo
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- CN215691726U CN215691726U CN202122080110.1U CN202122080110U CN215691726U CN 215691726 U CN215691726 U CN 215691726U CN 202122080110 U CN202122080110 U CN 202122080110U CN 215691726 U CN215691726 U CN 215691726U
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- diisobutyl
- nylon acid
- film evaporator
- wiped film
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Abstract
The utility model discloses a continuous dehydration distillation device of nylon acid diisobutyl ester, which comprises: the dealcoholization tower is used for removing alcohol and water in the materials; the wiped film evaporator is connected with the dealcoholization tower in series and is used for evaporating a product of diisobutyl nylon acid; and the product collecting tank is connected with the wiped film evaporator and is used for receiving the diisobutyl nylon acid evaporated by the wiped film evaporator. The utility model adopts the method of combining the dealcoholization tower and the wiped film evaporator in series front and back, realizes the processes of continuous dealcoholization, dehydration and distillation under the vacuum condition, simplifies the production process and saves the energy.
Description
Technical Field
The utility model relates to an alcohol-water separation device, in particular to a continuous dehydration distillation device for nylon acid diisobutyl ester, which can realize continuous dealcoholization, dehydration and distillation under the vacuum condition, simplify the production process and save energy.
Background
The diisobutyl nylon acid is a strong solvent of latex polymers, has very good hydrolytic stability, has wide application range and high coalescence performance, and is an ideal high-boiling-point film-forming assistant, in particular to a film-forming assistant preferred for preparing coatings.
In the production process of the diisobutyl nylon acid, the raw material nylon acid is dark in color, so that the qualified product can be obtained only by esterification, neutralization, dealcoholization and distillation in the production process. The production flow generally adopts a batch production device, wherein dealcoholization and distillation are generally carried out in two steps, and the production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect that the production efficiency is low because the dealcoholization and distillation are carried out in two steps in the existing production process of the diisobutyl nylon acid, and provides the continuous dehydration and distillation device for the diisobutyl nylon acid, which realizes the continuous dealcoholization, dehydration and distillation under the vacuum condition, simplifies the production process and saves energy.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a continuous dehydration distillation device of nylon acid diisobutyl ester comprises:
the dealcoholization tower is used for removing alcohol and water in the materials;
the wiped film evaporator is connected with the dealcoholization tower in series and is used for evaporating a product of diisobutyl nylon acid;
and the product collecting tank is connected with the wiped film evaporator and is used for receiving the diisobutyl nylon acid evaporated by the wiped film evaporator.
In the technical scheme, the utility model adopts a method of combining the dealcoholization tower and the wiped film evaporator in series front and back, realizes the continuous dealcoholization and distillation process under the vacuum condition, simplifies the production process and saves energy.
As a preferable scheme of the utility model, the bottom of the dealcoholization tower is provided with a first material inlet, and the top of the dealcoholization tower is provided with an alcohol water vapor outlet and an overflow port.
As a preferable scheme of the utility model, the upper part of the wiped film evaporator is provided with a second material inlet and a product outlet, and the lower part of the wiped film evaporator is provided with a concentrated solution collecting tank.
As a preferable scheme of the utility model, the overflow port is connected with the second material inlet.
As a preferable scheme of the present invention, the system further comprises an alcohol-water collection tank, and the alcohol-water collection tank is connected to the dealcoholization tower.
As a preferable scheme of the present invention, an alcohol-water condenser is disposed on a pipeline connecting the alcohol-water collection tank and the dealcoholization tower.
In a preferred embodiment of the present invention, a product condenser is disposed between the wiped film evaporator and the product collecting tank.
As a preferable scheme of the present invention, a concentrated liquid condenser is disposed between the wiped film evaporator and the concentrated liquid collecting tank.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model adopts the method of combining the dealcoholization tower and the wiped film evaporator in series front and back, realizes the processes of continuous dealcoholization, dehydration and distillation under the vacuum condition, simplifies the production process and saves the energy.
Drawings
FIG. 1 is a schematic of the present invention.
In the figure, 1, a dealcoholization tower; 2. a wiped film evaporator; 3. a product collection tank; 4. a concentrated solution collecting tank; 5. an alcohol-water collecting tank; 6. a first material inlet; 7. an alcohol water vapor outlet; 8. an overflow port; 9. a second material inlet; 10. a product outlet; 11. an alcohol-water condenser; 12. a product condenser; 13. and a condensation device for the concentrated liquid.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.
Examples
Referring to fig. 1, the utility model provides a continuous dehydration distillation device of nylon acid diisobutyl ester, which comprises a dealcoholization tower 1, a wiped film evaporator 2 connected in series with the dealcoholization tower and used for distilling out a product of nylon acid diisobutyl ester; and the product collecting tank 3 is connected with the wiped film evaporator 2 and is used for receiving the diisobutyl nylon acid evaporated by the wiped film evaporator 2.
The bottom of the dealcoholization tower 1 is provided with a first material inlet 6 for the inlet of a material containing a small amount of water and isobutanol; the upper part of the dealcoholization tower 1 is provided with an overflow port 8, the top of the dealcoholization tower is provided with an alcohol water vapor outlet 7, the overflow port 8 is connected with a second material inlet 9 on the upper part of the wiped film evaporator 2 through a pipeline, a product outlet 10 is arranged at the opposite position on the upper part of the wiped film evaporator 2, and the product outlet 10 is connected with the product collecting tank 3.
An alcohol water vapor outlet 7 of the dealcoholization tower 1 is sequentially connected with an alcohol water condenser 11 and an alcohol water collecting tank 5 through pipelines;
a product condenser 12 is arranged between the wiped film evaporator 2 and the product collecting tank 3;
the bottom of the wiped film evaporator 2 is sequentially connected with a concentrated solution condenser 13 and a concentrated solution collecting tank 4 through pipelines.
By adopting the method of combining the dealcoholization tower 1 and the wiped film evaporator 2 in series, a material containing a small amount of water and isobutanol enters the dealcoholization tower 1 from the bottom of the dealcoholization tower 1 and flows from the inside of the tubes from bottom to top, and after heating, the water and the small amount of isobutanol are removed from the top of the tower at the upper part of the tower under the vacuum condition and flow into the alcohol-water collecting tank 5 after condensation. The material enters an inlet 9 at the upper part of the wiped film evaporator 2 through an overflow port 8, is vaporized in the wiped film evaporator 2 under the vacuum condition, product steam is evaporated from an outlet 10 at the upper part of the wiped film evaporator 2, enters a product condenser 12 for cooling and then enters a product collecting tank 3, a small amount of high-boiling-point impurities flow out from the bottom of the wiped film evaporator 2, and enters a concentrated solution collecting tank 4 after being cooled by a concentrated solution condenser 13.
The utility model adopts the method of combining the dealcoholization tower and the wiped film evaporator in series front and back, realizes the processes of continuous dealcoholization, dehydration and distillation under the vacuum condition, simplifies the production process and saves the energy.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (8)
1. A continuous dehydration distillation plant of nylon acid diisobutyl ester which is characterized by comprising:
the dealcoholization tower is used for removing alcohol and water in the materials;
the wiped film evaporator is connected with the dealcoholization tower in series and is used for evaporating a product of diisobutyl nylon acid;
and the product collecting tank is connected with the wiped film evaporator and is used for receiving the diisobutyl nylon acid evaporated by the wiped film evaporator.
2. The continuous dehydrating and distilling apparatus for diisobutyl nylon acid according to claim 1, wherein the bottom of the dealcoholization tower is provided with a first material inlet, and the top of the dealcoholization tower is provided with an alcohol water vapor outlet and an overflow port.
3. The continuous dehydrating and distilling apparatus for diisobutyl nylon acid according to claim 2, wherein the wiped film evaporator is provided with a second material inlet and a product outlet at the upper part and a concentrated solution collecting tank at the lower part.
4. The continuous dehydrating distillation apparatus for diisobutyl nylon acid according to claim 3, wherein the overflow port is connected to the second material inlet.
5. The continuous dehydrating distillation apparatus for diisobutyl nylon acid according to claim 1, further comprising an alcohol-water collection tank connected to the dealcoholization tower.
6. The continuous dehydrating and distilling apparatus for diisobutyl nylon acid according to claim 5, wherein an alcohol-water condenser is disposed on a pipeline connecting the alcohol-water collecting tank and the dealcoholization tower.
7. The continuous dehydrating and distilling apparatus for diisobutyl nylon acid according to claim 1, wherein a product condenser is arranged between the wiped film evaporator and the product collecting tank.
8. The continuous dehydrating and distilling apparatus for diisobutyl nylon acid according to claim 3, wherein a concentrate condenser is provided between the wiped film evaporator and the concentrate collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080110.1U CN215691726U (en) | 2021-08-31 | 2021-08-31 | Continuous dehydration distillation plant of nylon acid diisobutyl ester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080110.1U CN215691726U (en) | 2021-08-31 | 2021-08-31 | Continuous dehydration distillation plant of nylon acid diisobutyl ester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215691726U true CN215691726U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122080110.1U Active CN215691726U (en) | 2021-08-31 | 2021-08-31 | Continuous dehydration distillation plant of nylon acid diisobutyl ester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215691726U (en) |
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2021
- 2021-08-31 CN CN202122080110.1U patent/CN215691726U/en active Active
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