CN216522597U - Auxiliary temperature control device for vacuum deacidification of chlorinated plasticizer - Google Patents
Auxiliary temperature control device for vacuum deacidification of chlorinated plasticizer Download PDFInfo
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- CN216522597U CN216522597U CN202122919312.0U CN202122919312U CN216522597U CN 216522597 U CN216522597 U CN 216522597U CN 202122919312 U CN202122919312 U CN 202122919312U CN 216522597 U CN216522597 U CN 216522597U
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- cooling water
- circulating pump
- cooler
- acid absorption
- pipeline
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Abstract
The utility model discloses a vacuum deacidification auxiliary temperature control device for chlorinated plasticizers, which comprises a cooling water circulating pump 1, a cooling water pool 2, a cooler 3, an absorption tower 4, an acid absorption tank 5 and an acid absorption circulating pump 6, wherein the cooling water pool is communicated with the cooling water circulating pump; an inlet pipeline of the cooling water circulating pump 1 is connected with a water outlet of the cooling water pool 2, an outlet pipeline of the cooling water circulating pump 1 is connected with a cooling water inlet of the cooler 3, and a cooling water outlet of the cooler 3 is connected back to the cooling water pool 2 through a pipeline; an inlet pipeline of the acid absorption circulating pump 6 is connected with a discharge hole of the acid absorption tank 5, an outlet pipeline of the acid absorption circulating pump 6 is connected with a feed hole of the absorption tower 4, a discharge hole of the absorption tower 4 is connected with a feed hole of the cooler 3, and a discharge hole of the cooler 3 is connected with a feed hole of the acid absorption tank 5. The vacuum deacidification method has the advantages of less alkali liquor consumption and low production cost.
Description
Technical Field
The utility model relates to the technical field of production devices of bio-ester plasticizers of organic chemical products, in particular to an auxiliary temperature control device for vacuum deacidification of chlorinated plasticizers.
Background
In the vacuum deacidification process during the production of chlorinated plasticizer, hydrogen chloride and water are converted into hydrochloric acid in an absorption tower, but the hydrogen chloride is large in amount and small in water amount compared with hydrogen chloride, the water temperature can be rapidly increased by heat emitted in the absorption process, the hydrogen chloride is absorbed unfavorably due to overhigh temperature, part of the hydrogen chloride cannot be absorbed, and is finally neutralized by alkali in a tail gas system, so that the alkali liquor consumption is increased, and the production cost is increased.
Disclosure of Invention
The utility model aims to provide a chlorinated plasticizer vacuum deacidification auxiliary temperature control device which is low in vacuum deacidification alkali liquor consumption and low in production cost.
In order to realize the purpose, the chlorinated plasticizer vacuum deacidification auxiliary temperature control device comprises a cooling water circulating pump 1, a cooling water pool 2, a cooler 3, an absorption tower 4, an acid absorption tank 5 and an acid absorption circulating pump 6; an inlet pipeline of the cooling water circulating pump 1 is connected with a water outlet of the cooling water pool 2, an outlet pipeline of the cooling water circulating pump 1 is connected with a cooling water inlet of the cooler 3, and a cooling water outlet of the cooler 3 is connected back to the cooling water pool 2 by a pipeline; the inlet pipeline of the acid absorption circulating pump 6 is connected with the discharge port of the acid absorption tank 5, the outlet pipeline of the acid absorption circulating pump 6 is connected with the feed port of the absorption tower 4, the discharge port of the absorption tower 4 is connected with the feed port of the cooler 3, and the discharge port of the cooler 3 is connected with the feed port of the acid absorption tank 5.
The chlorinated plasticizer vacuum deacidification auxiliary temperature control device with the structure has the following technical characteristics and beneficial effects: firstly, the chlorinated plasticizer vacuum deacidification auxiliary temperature control device with the structure can better control the acid temperature in the deacidification process of the chlorinated plasticizer, prevent partial hydrogen chloride from being completely absorbed and neutralized by alkali in a tail gas system due to overhigh temperature, reduce alkali liquor consumption and reduce production cost; secondly, simple structure, low manufacturing and maintenance cost, convenient and reliable use.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary temperature control device for vacuum deacidification of chlorinated plasticizers in the present invention.
Reference numerals: the device comprises a cooling water circulating pump 1, a cooling water pool 2, a cooler 3, an absorption tower 4, an acid absorption tank 5 and an acid absorption circulating pump 6.
Detailed Description
The chlorinated plasticizer vacuum deacidification auxiliary temperature control device of the utility model is further explained in detail with the accompanying drawings and the specific embodiment.
As shown in fig. 1, the chlorinated plasticizer vacuum deacidification auxiliary temperature control device of the present invention comprises a cooling water circulating pump 1, a cooling water pool 2, a cooler 3, an absorption tower 4, an acid absorption tank 5, and an acid absorption circulating pump 6; an inlet pipeline of the cooling water circulating pump 1 is connected with a water outlet of the cooling water pool 2, an outlet pipeline of the cooling water circulating pump 1 is connected with a cooling water inlet of the cooler 3, and a cooling water outlet of the cooler 3 is connected back to the cooling water pool 2 by a pipeline; the inlet pipeline of the acid absorption circulating pump 6 is connected with the discharge port of the acid absorption tank 5, the outlet pipeline of the acid absorption circulating pump 6 is connected with the feed port of the absorption tower 4, the discharge port of the absorption tower 4 is connected with the feed port of the cooler 3, and the discharge port of the cooler 3 is connected with the feed port of the acid absorption tank 5.
During operation, the cooling water circulating pump 1 and the acid absorption circulating pump 6 are firstly started, the temperature of acid is increased in the acid absorption process, the acid is cooled by the cooler 3, and the cooled acid returns to the acid absorption tank 5.
Claims (1)
1. A chlorinated plasticizer vacuum deacidification auxiliary temperature control device is characterized in that: the device comprises a cooling water circulating pump (1), a cooling water pool (2), a cooler (3), an absorption tower (4), an acid absorption tank (5) and an acid absorption circulating pump (6); an inlet pipeline of the cooling water circulating pump (1) is connected with a water outlet of the cooling water pool (2), an outlet pipeline of the cooling water circulating pump (1) is connected with a cooling water inlet of the cooler (3), and a cooling water outlet of the cooler (3) is connected back to the cooling water pool (2) through a pipeline; the inlet pipeline of the acid absorption circulating pump (6) is connected with the discharge port of the acid absorption tank (5), the outlet pipeline of the acid absorption circulating pump (6) is connected with the feed port of the absorption tower (4), the discharge port of the absorption tower (4) is connected with the feed port of the cooler (3), and the discharge port of the cooler (3) is connected with the feed port of the acid absorption tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919312.0U CN216522597U (en) | 2021-11-25 | 2021-11-25 | Auxiliary temperature control device for vacuum deacidification of chlorinated plasticizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122919312.0U CN216522597U (en) | 2021-11-25 | 2021-11-25 | Auxiliary temperature control device for vacuum deacidification of chlorinated plasticizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216522597U true CN216522597U (en) | 2022-05-13 |
Family
ID=81532234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122919312.0U Active CN216522597U (en) | 2021-11-25 | 2021-11-25 | Auxiliary temperature control device for vacuum deacidification of chlorinated plasticizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216522597U (en) |
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2021
- 2021-11-25 CN CN202122919312.0U patent/CN216522597U/en active Active
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