CN215655137U - Automatic continuous feeding temperature control device for alkylation reaction - Google Patents
Automatic continuous feeding temperature control device for alkylation reaction Download PDFInfo
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- CN215655137U CN215655137U CN202121721724.7U CN202121721724U CN215655137U CN 215655137 U CN215655137 U CN 215655137U CN 202121721724 U CN202121721724 U CN 202121721724U CN 215655137 U CN215655137 U CN 215655137U
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Abstract
The utility model discloses an automatic continuous feeding temperature control device for alkylation reaction, which comprises a reaction kettle, a feeding mechanism, a stirring mechanism, a temperature measuring mechanism and a controller, wherein the feeding mechanism is arranged on the reaction kettle; the feeding mechanism comprises a star-shaped feeding valve, a feeding hopper and a first variable frequency motor which are arranged on a feeding hole of the reaction kettle, the stirring mechanism comprises a stirring paddle and a second variable frequency motor, the temperature measuring mechanism comprises a temperature measuring sleeve and a temperature sensor which are arranged on the side part of the reaction kettle, and the controller is connected and communicated with the first variable frequency motor, the second variable frequency motor and the temperature sensor. According to the utility model, the star-shaped feeding valve is driven by the variable frequency motor to realize automatic and continuous feeding of materials, the reaction temperature, the stirring speed and the feeding time and speed are controlled in an interconnected manner by the controller, and the feeding time, speed and stirring speed are timely adjusted by the reaction temperature, so that the alkylation reaction is at a stable and reasonable temperature, the reaction is more sufficient and stable, and the product yield, the product quality and the quality stability are favorably improved.
Description
Technical Field
The utility model relates to an automatic continuous feeding temperature control device for alkylation reaction, belonging to the field of chemical industry.
Background
In the alkylation reaction process of dinonyl naphthalene sulfonic acid, a catalyst needs to be added in the reaction process, and the feeding is mainly carried out by adopting a manual intermittent batch-wise adding mode at present. The temperature is a very critical process condition in the alkylation reaction process, and the instability of the reaction temperature can cause the reduction of the alkylation yield and the instability of the product quality. The manual intermittent batch feeding mode can cause the temperature to be suddenly high and suddenly low in the reaction process, the temperature fluctuation range is generally between 55 and 95 ℃, and the product yield and quality can be reduced. Meanwhile, the labor intensity of manual feeding is high, the catalyst used in the alkylation reaction of the dinonyl naphthalene sulfonic acid has strong pungent smell and strong corrosivity, and the close contact between an operator and the material is not beneficial to physical and psychological health.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model provides an automatic continuous feeding temperature control device for alkylation reaction, which adopts the technical scheme that:
an automatic continuous feeding temperature control device for alkylation reaction comprises a reaction kettle, a feeding mechanism, a stirring mechanism, a temperature measuring mechanism and a controller; the feeding mechanism and the stirring mechanism are arranged on an upper end enclosure of the reaction kettle, and the temperature measuring mechanism is arranged on the side part of the reaction kettle close to a lower end enclosure; the feeding mechanism comprises a star-shaped feeding valve and a feeding hopper, the star-shaped feeding valve is arranged on a feeding hole of the reaction kettle, and the feeding hopper is arranged on the star-shaped feeding valve and is driven by a first variable frequency motor; the stirring mechanism comprises a stirring paddle and a second variable frequency motor for driving the stirring paddle to rotate; the temperature measuring mechanism comprises a temperature measuring sleeve arranged on the side part of the reaction kettle and a temperature sensor arranged on the temperature measuring sleeve; the controller is connected with the first variable frequency motor, the second variable frequency motor and the temperature sensor for communication.
Furthermore, the included angle between the axis of the temperature measuring sleeve and the horizontal line is 20-30 degrees.
Further, the reaction kettle is a glass lining reaction kettle.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the star-shaped feeding valve is driven by the variable frequency motor to realize automatic and continuous feeding of materials, so that the labor intensity is reduced, and close-range contact between workers and the materials is avoided; according to the utility model, the reaction temperature, the stirring speed and the feeding time and speed are controlled in an interconnected manner through the controller, the temperature in the reaction kettle is collected in real time through the temperature sensor, and the feeding time, speed and stirring speed are adjusted in due time through the reaction temperature, so that the alkylation reaction is at a stable and reasonable temperature, the reaction is more sufficient and stable, and the yield, the product quality and the quality stability of the product are improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example (b):
referring to fig. 1, an automatic continuous feeding temperature control device for alkylation reaction includes a reaction kettle 10, a feeding mechanism 20, a stirring mechanism 30, a temperature measuring mechanism 40, and a controller (not shown); the feeding mechanism 20 and the stirring mechanism 30 are arranged on an upper end enclosure of the reaction kettle 10, and the temperature measuring mechanism 40 is arranged on the side part of the reaction kettle 10 close to the lower end enclosure; the feeding mechanism 20 comprises a star-shaped feeding valve 201 installed on a feeding hole of the reaction kettle 10 and a feeding hopper 202 installed on the star-shaped feeding valve 201, and the star-shaped feeding valve 201 is driven by a first variable frequency motor 203; the stirring mechanism 30 comprises a stirring paddle 301 and a second variable frequency motor 302 for driving the stirring paddle 301 to rotate; the temperature measuring mechanism 40 comprises a temperature measuring sleeve 401 arranged on the side part of the reaction kettle 10 and a temperature sensor 402 arranged on the temperature measuring sleeve 401; the controller is connected and communicated with the first variable frequency motor 203, the second variable frequency motor 302 and the temperature sensor 402.
Further, the included angle between the axis of the temperature measuring sleeve 401 and the horizontal line is 20 degrees.
Further, the reaction kettle 10 is a glass lining reaction kettle.
When the device is used for alkylation reaction of dinonyl naphthalenesulfonic acid, an optimal reaction temperature value is set through the controller, for example, 85 ℃, and when the temperature sensor detects that the temperature in the kettle is lower than a preset temperature value, the controller increases the feeding speed of the catalyst and the stirring speed of the reaction kettle through the first and second variable frequency motors so as to enable the reaction temperature to rise to a preset level; when the temperature sensor detects that the temperature in the kettle is higher than a preset temperature value, the controller reduces the feeding speed of the catalyst and the stirring speed of the reaction kettle through the first and second variable frequency motors so as to reduce the reaction temperature to a preset level.
Compared with the conventional manual feeding mode, the automatic feeding mode has the advantages that the temperature is stable in the reaction process, the alkylation yield is improved by 15% and is over 92%, the main content of dinonyl naphthalene in the product is improved by 8.5% and is over 97.65%, the quality stability of the final product is improved by 8.2% and is over 99.33%, the production efficiency is improved by 32%, and the feeding time of a single batch of materials is shortened by about 1 hour.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (3)
1. The utility model provides an automatic continuous feeding temperature regulating device for alkylation reaction which characterized in that: the device comprises a reaction kettle, a feeding mechanism, a stirring mechanism, a temperature measuring mechanism and a controller; the feeding mechanism and the stirring mechanism are arranged on an upper end enclosure of the reaction kettle, and the temperature measuring mechanism is arranged on the side part of the reaction kettle close to a lower end enclosure; the feeding mechanism comprises a star-shaped feeding valve and a feeding hopper, the star-shaped feeding valve is arranged on a feeding hole of the reaction kettle, and the feeding hopper is arranged on the star-shaped feeding valve and is driven by a first variable frequency motor; the stirring mechanism comprises a stirring paddle and a second variable frequency motor for driving the stirring paddle to rotate; the temperature measuring mechanism comprises a temperature measuring sleeve arranged on the side part of the reaction kettle and a temperature sensor arranged on the temperature measuring sleeve; the controller is connected with the first variable frequency motor, the second variable frequency motor and the temperature sensor for communication.
2. The automatic continuous-feed temperature control device for alkylation reaction according to claim 1, wherein: the included angle between the axis of the temperature measuring sleeve and the horizontal line is 20-30 degrees.
3. The automatic continuous-feed temperature control device for alkylation reaction according to claim 1, wherein: the reaction kettle is a glass lining reaction kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721724.7U CN215655137U (en) | 2021-07-27 | 2021-07-27 | Automatic continuous feeding temperature control device for alkylation reaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721724.7U CN215655137U (en) | 2021-07-27 | 2021-07-27 | Automatic continuous feeding temperature control device for alkylation reaction |
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| Publication Number | Publication Date |
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| CN215655137U true CN215655137U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121721724.7U Active CN215655137U (en) | 2021-07-27 | 2021-07-27 | Automatic continuous feeding temperature control device for alkylation reaction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155465A (en) * | 2022-07-05 | 2022-10-11 | 嘉兴中诚环保科技股份有限公司 | Reaction kettle for improving esterification reaction yield and control method thereof |
| CN117225332A (en) * | 2023-11-09 | 2023-12-15 | 克拉玛依市新聚工贸有限责任公司 | Cross-linking agent production equipment and control system thereof |
-
2021
- 2021-07-27 CN CN202121721724.7U patent/CN215655137U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155465A (en) * | 2022-07-05 | 2022-10-11 | 嘉兴中诚环保科技股份有限公司 | Reaction kettle for improving esterification reaction yield and control method thereof |
| CN115155465B (en) * | 2022-07-05 | 2024-01-26 | 嘉兴中诚环保科技股份有限公司 | Reaction kettle for improving esterification reaction yield and control method thereof |
| CN117225332A (en) * | 2023-11-09 | 2023-12-15 | 克拉玛依市新聚工贸有限责任公司 | Cross-linking agent production equipment and control system thereof |
| CN117225332B (en) * | 2023-11-09 | 2024-01-30 | 克拉玛依市新聚工贸有限责任公司 | Cross-linking agent production equipment and control system thereof |
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