CN219023289U - Refining tower system for effectively improving butyl acrylate material polymerization - Google Patents
Refining tower system for effectively improving butyl acrylate material polymerization Download PDFInfo
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- CN219023289U CN219023289U CN202320176090.4U CN202320176090U CN219023289U CN 219023289 U CN219023289 U CN 219023289U CN 202320176090 U CN202320176090 U CN 202320176090U CN 219023289 U CN219023289 U CN 219023289U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model belongs to the technical field of polymerization reaction systems, and particularly relates to a refining tower system for effectively improving butyl acrylate material polymerization. The refining tower system for effectively improving the polymerization of butyl acrylate materials comprises a main body, a main body and a main body, wherein the main body is provided with a main body and a main body, the main body is provided with a main column, the main body is provided with: the device comprises a refining tower, wherein a butyl ester feeding pipeline and a refining tower reflux pipeline are arranged at the upper part of the refining tower, a reboiler is connected at the middle part of the refining tower, a circulating pump and a heavy component extraction pump are arranged at the bottom of the refining tower, and the heavy component extraction pump is connected with the reboiler; the top of the refining tower is provided with a polymerization inhibitor pipeline which is divided into three paths, the polymerization inhibitor pipeline is connected with a condenser through two paths, and the third path is connected with a reflux pipeline of the refining tower. The refining tower system for effectively improving the polymerization of butyl acrylate materials, provided by the utility model, delays the polymerization reaction, saves energy and reduces consumption.
Description
Technical Field
The utility model belongs to the technical field of polymerization reaction systems, and particularly relates to a refining tower system for effectively improving butyl acrylate material polymerization.
Background
Acrylic acid and esters thereof are widely applied in industry, and are mainly used in various fields of synthetic resin, rubber, plastics and the like, and the production method of acrylic acid ester is mainly obtained by esterification of acrylic acid and n-butyl alcohol in the presence of sulfuric acid, and then the finished product is finally obtained by a neutralization process, a water washing process, a dealcoholization process and a rectification process.
The reaction of n-butanol and acrylic acid to butyl acrylate is typically a reversible reaction. Therefore, butyl acrylate products contain excessive butanol, catalyst p-toluenesulfonic acid and unreacted completely acrylic acid, and both the acrylic acid and the butyl acrylate are extremely easily polymerized compounds, which are extremely unfavorable factors for production, and in order to avoid polymerization and ensure the normal operation of the device, the prior device needs to be improved.
CN215842959U discloses a refining tower for butyl acrylate preparation, in order to improve the packing area of refining tower, has carried out inside transformation to refining tower, including supporting baseplate, tower body, main bull stick, movable sleeve and packing frame, the top of supporting baseplate is fixed with the tower body, and the both sides of supporting baseplate bottom all install and remove the wheel, and the bottom of tower body is fixed with the supporting seat, and the tower inside of supporting seat top is provided with a main bull stick butyl acrylate preparation and uses the refining tower all the cover is equipped with equidistant packing frame on the outer wall of main bull stick, the cover is equipped with the movable sleeve on the main bull stick outer wall of packing frame inboard, all is fixed with the handrail on the outer wall of tower body both sides.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a refining tower system for effectively improving the polymerization of butyl acrylate materials, delaying the polymerization reaction, saving energy and reducing consumption.
The refining tower system for effectively improving the polymerization of butyl acrylate materials comprises a main body, a main body and a main body, wherein the main body is provided with a main body and a main body, the main body is provided with a main column, the main body is provided with: the device comprises a refining tower, wherein a butyl ester feeding pipeline and a refining tower reflux pipeline are arranged at the upper part of the refining tower, a reboiler is connected at the middle part of the refining tower, a circulating pump and a heavy component extraction pump are arranged at the bottom of the refining tower, and the heavy component extraction pump is connected with the reboiler; the top of the refining tower is provided with a polymerization inhibitor pipeline which is divided into three paths, the polymerization inhibitor pipeline is connected with a condenser through two paths, and the third path is connected with a reflux pipeline of the refining tower. The refining tower utilizes the rectification principle to purify the product and remove the heavy components in the product. The reboiler heats and circulates the material in the refining column.
Preferably, the polymerization inhibitor pipeline is connected with the condenser through a valve D and a valve E on two paths respectively. Polymerization inhibitor pipeline polymerization inhibitor is from polymerization inhibitor tank to refining tower top and tower reflux line. And the valve D adjusts the flow rate of the polymerization inhibitor entering the condenser of the refining tower system. Valve E adjusts the flow rate of the polymerization inhibitor entering the top of the refining column.
Preferably, the third path of the polymerization inhibitor pipeline is connected with a reflux pipeline of the refining tower through a valve F. The valve F adjusts the flow rate of the polymerization inhibitor on the return pipeline entering the refining tower system.
Preferably, the inhibitor line is provided with a pneumatic valve C on the line before branching. The pneumatic valve C regulates the total flow of the polymerization inhibitor into the refining tower system.
Preferably, a reflux pump of the refining tower and a pneumatic valve A are arranged on the reflux pipeline of the refining tower. The butyl ester is taken as a reflux stream to the top of the refining tower by a reflux pump of the refining tower, and the top of the refining tower is cooled. The pneumatic valve A adjusts the reflux flow of the refining tower.
Preferably, the heavy fraction extraction pump is connected to the heavy fraction tank. Heavy components extracted from the bottom of the refining tower by the heavy component extraction pump are pumped into a heavy component tank.
Preferably, a polymerization inhibition air pipeline is connected between the circulating pump and the reboiler. The circulating pump is a material circulating pump in the refining tower.
Preferably, a valve B is arranged on the anti-aggregation air pipe. The polymerization inhibition air pipeline enters the refining tower system from the inlet of the reboiler, so that the polymerization degree of materials can be reduced. Valve B regulates the amount of air flow to the refining column system that is blocked.
According to the refining tower system for effectively improving butyl acrylate material polymerization, when the refining tower system works, tower bottom liquid is conveyed by the tower bottom pump of the dealcoholization tower and enters the refining tower for heavy component removal treatment. The bottom liquid of the dealcoholization tower enters the refining tower from a butyl ester feeding pipeline of the refining tower from a fourth tower plate, butyl ester is distilled out from the top of the tower through reduced pressure distillation, and enters a condenser at the top of the refining tower for condensation, and condensate is recycled. In the process, when the steam at the top of the tower changes phase, the material is extremely easy to polymerize, so that the polymerization inhibitor from the polymerization inhibitor tank can be conveyed to a polymerization inhibitor pipeline at the top of the refining tower by a polymerization inhibitor pump, and the opening of the pneumatic valve C is regulated, so that the flow enters a refining tower system according to actual production requirements. Dividing into three paths, wherein one path of polymerization inhibitor is directly added into a condenser through an adjusting valve D; one path of polymerization inhibitor is directly added into the top of the refining tower through a valve E; one path of polymerization inhibitor is added into a return pipeline of the refining tower through a valve F, and is fed into the top of the refining tower together with materials in the return pipeline of the refining tower through a regulating pneumatic valve A, so that the temperature of the top of the tower is controlled. And discharging bottom liquid of the refining tower from the bottom of the tower, pumping a part of materials into a reboiler by a circulating pump at the bottom of the refining tower, enabling polymerization inhibition air to enter an inlet of the reboiler through an adjusting valve B by a polymerization inhibition air pipeline, heating by 0.25MPa steam, and circulating and returning to the bottom of the refining tower. And the other part of tower bottom liquid is pumped out by a heavy component extraction pump and enters a heavy component tank.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The refining tower system for effectively improving the polymerization of butyl acrylate materials is simple to operate, high in practicability and low in cost.
(2) According to the refining tower system for effectively improving the polymerization of butyl acrylate materials, polymerization inhibitors are added to the top of the refining tower, the reflux pipeline at the top of the tower and the condenser, and polymerization inhibition air is added to the reboiler, so that the polymerization degree of the materials in the system is effectively reduced.
(3) The refining tower system for effectively improving the polymerization of butyl acrylate materials provides a negative pressure environment, reduces the temperature required for heating the materials, and can lighten the polymerization of the materials; meanwhile, the boiling point of materials is reduced in the negative pressure environment, the energy consumption is reduced, and the cost is saved.
Drawings
FIG. 1 is a schematic diagram of a refining column system for effectively improving the polymerization of butyl acrylate material in accordance with the present utility model;
in the figure: 1. a refining tower; 2. a circulation pump; 3. a reboiler; 4. a polymerization-inhibiting air line; 5. butyl ester feed line; 6. a polymerization inhibitor pipeline; 7. a condenser; 8. a refining tower return line; 9. a heavy component extraction pump; 10. a heavy component tank; 11. a refining tower reflux pump; 12. a pneumatic valve A; 13. a valve B; 14. a pneumatic valve C; 15. a valve D; 16. a valve E; 17. and a valve F.
Detailed Description
The utility model is further illustrated below with reference to examples.
Examples
As shown in FIG. 1, the refining tower system for effectively improving the polymerization of butyl acrylate materials is as follows: the device comprises a refining tower 1, wherein a butyl ester feeding pipeline 5 and a refining tower reflux pipeline 8 are arranged at the upper part of the refining tower 1, a reboiler 3 is connected at the middle part of the refining tower 1, a circulating pump 2 and a heavy component extraction pump 9 are arranged at the bottom of the refining tower 1, and the heavy component extraction pump 9 is connected with the reboiler 3; the top of the refining tower 1 is provided with a polymerization inhibitor pipeline 6, the polymerization inhibitor pipeline 6 is divided into three paths, the three paths are connected with a condenser 7 through two paths, and the third path is connected with a reflux pipeline 8 of the refining tower. The refining tower 1 utilizes the rectification principle to purify the product and remove the heavy components in the product. Reboiler 3 heats and circulates the material in the refining column.
The polymerization inhibitor pipeline 6 is connected with the condenser 7 through a valve D15 and a valve E16 on two paths respectively. Polymerization inhibitor pipeline 6 polymerization inhibitor is from polymerization inhibitor tank to refining tower top and tower reflux line. Valve D15 regulates the flow of polymerization inhibitor into the condenser of the refining tower system. Valve E16 regulates the flow of polymerization inhibitor into the top of the refining column.
The third path of the polymerization inhibitor pipeline 6 is connected with the reflux pipeline 8 of the refining tower through a valve F17. Valve F17 adjusts the polymerization inhibitor flow on the return line of the refining tower system.
The inhibitor line 6 is provided with a pneumatic valve C14 in the line before branching. The pneumatic valve C14 regulates the total flow of the polymerization inhibitor into the refining tower system.
The refining tower reflux pipeline 8 is provided with a refining tower reflux pump 11 and a pneumatic valve A12. The reflux pump 11 of the refining tower sends butyl ester as reflux to the top of the refining tower to cool the top of the refining tower. The pneumatic valve A12 adjusts the reflux flow of the refining tower.
The heavy component extraction pump 9 is connected to a heavy component tank 10. Heavy components extracted from the bottom of the refining tower by the heavy component extraction pump 9 are pumped into a heavy component tank 10.
A polymerization inhibition air pipeline 4 is connected between the circulating pump 2 and the reboiler 3. The circulating pump 2 is a material circulating pump in the refining tower.
The anti-condensation air pipeline 4 is provided with a valve B13. The polymerization inhibition air pipeline 4 enters the refining tower system from the inlet of the reboiler, so that the polymerization degree of materials can be reduced. Valve B13 regulates the amount of air flow to the refining column system that is blocked.
According to the refining tower system for effectively improving butyl acrylate material polymerization, when the refining tower system works, tower bottom liquid is conveyed by a tower bottom pump of a dealcoholization tower and enters a refining tower 1 for heavy component removal treatment. The bottom liquid of the dealcoholization tower enters the refining tower 1 from a fourth tower plate through a butyl ester feeding pipeline 5 of the refining tower 1, butyl ester is distilled out from the top of the tower through reduced pressure distillation, and enters a condenser 7 at the top of the refining tower 1 for condensation, and condensate is recycled. In the process, when the steam at the top of the tower changes phase, the material is extremely easy to polymerize, so that the polymerization inhibitor from the polymerization inhibitor tank can be conveyed to the polymerization inhibitor pipeline 6 at the top of the refining tower by the polymerization inhibitor pump, and the opening of the pneumatic valve C is regulated, so that the flow enters the refining tower system according to the actual production requirement. Dividing into three paths, wherein one path of polymerization inhibitor is directly added into a condenser through an adjusting valve D; one path of polymerization inhibitor is directly added into the top of the refining tower through a valve E; one path of polymerization inhibitor is added to a return pipeline 8 of the refining tower through a valve F, and is fed into the top of the refining tower 1 together with the material in the return pipeline 8 of the refining tower through an adjusting pneumatic valve A, so as to control the temperature of the top of the tower. And discharging bottom liquid of the refining tower 1 from the bottom of the tower, pumping a part of materials into a reboiler 3 by a circulating pump 2 at the bottom of the refining tower, enabling polymerization inhibition air to enter an inlet of the reboiler 3 through an adjusting valve B by a polymerization inhibition air pipeline 4, heating by 0.25MPa steam, and circulating back to the bottom of the refining tower 1. The other part of tower bottom liquid is sent out by a heavy component extraction pump 9 and enters a heavy component tank 10.
Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.
Claims (8)
1. A refining tower system for effectively improving butyl acrylate material polymerization is characterized in that: the device comprises a refining tower (1), wherein a butyl ester feeding pipeline (5) and a refining tower reflux pipeline (8) are arranged at the upper part of the refining tower (1), a reboiler (3) is connected at the middle part of the refining tower (1), a circulating pump (2) and a heavy component extraction pump (9) are arranged at the bottom of the refining tower (1), and the heavy component extraction pump (9) is connected with the reboiler (3); the top of the refining tower (1) is provided with a polymerization inhibitor pipeline (6), the polymerization inhibitor pipeline (6) is divided into three paths, the three paths are connected with a condenser (7) through two paths, and the third path is connected with a reflux pipeline (8) of the refining tower.
2. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 1, wherein: the polymerization inhibitor pipeline (6) is connected with the condenser (7) through a valve D (15) and a valve E (16) on two paths respectively.
3. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 2, wherein: the third path of the polymerization inhibitor pipeline (6) is connected with a reflux pipeline (8) of the refining tower through a valve F (17).
4. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 1, wherein: the inhibitor line (6) is provided with a pneumatic valve C (14) on the line before branching.
5. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 1, wherein: the refining tower reflux pipeline (8) is provided with a refining tower reflux pump (11) and a pneumatic valve A (12).
6. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 1, wherein: the heavy component extraction pump (9) is connected with the heavy component tank (10).
7. The finishing column system effective to improve the polymerization of butyl acrylate material of claim 1, wherein: a polymerization inhibition air pipeline (4) is connected between the circulating pump (2) and the reboiler (3).
8. The finishing column system effective to improve polymerization of butyl acrylate material of claim 7, wherein: the polymerization-inhibiting air pipeline (4) is provided with a valve B (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320176090.4U CN219023289U (en) | 2023-02-07 | 2023-02-07 | Refining tower system for effectively improving butyl acrylate material polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320176090.4U CN219023289U (en) | 2023-02-07 | 2023-02-07 | Refining tower system for effectively improving butyl acrylate material polymerization |
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| CN219023289U true CN219023289U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320176090.4U Active CN219023289U (en) | 2023-02-07 | 2023-02-07 | Refining tower system for effectively improving butyl acrylate material polymerization |
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| CN (1) | CN219023289U (en) |
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2023
- 2023-02-07 CN CN202320176090.4U patent/CN219023289U/en active Active
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