CN217367186U - Dealcoholization device for producing special plasticizer for automotive interior - Google Patents

Dealcoholization device for producing special plasticizer for automotive interior Download PDF

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Publication number
CN217367186U
CN217367186U CN202220789325.2U CN202220789325U CN217367186U CN 217367186 U CN217367186 U CN 217367186U CN 202220789325 U CN202220789325 U CN 202220789325U CN 217367186 U CN217367186 U CN 217367186U
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dealcoholization
kettle
pipe
dealcoholization kettle
reflux
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CN202220789325.2U
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Chinese (zh)
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丁磊
蒋利超
储飞
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Jiangsu Senhe Chemical Technology Co ltd
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Jiangsu Senhe Chemical Technology Co ltd
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Abstract

The utility model discloses a dealcoholization device for producing a plasticizer special for automobile interiors, which comprises a dealcoholization kettle, a refining tower and a condenser which are connected in sequence; the top of the dealcoholization kettle is provided with a feed inlet and a distillation opening, the bottom of the dealcoholization kettle is provided with a discharge outlet, the distillation opening is communicated with the lower part of the side wall of the refining tower, and the bottom of the refining tower is provided with a reflux device; the device has the advantages of simple and practical temperature control, good dealcoholization efficiency, high efficiency and capability of avoiding backflow.

Description

Dealcoholization device for producing special plasticizer for automotive interior
Technical Field
The utility model relates to a plasticizer production field especially relates to a dealcoholize device for producing special plasticizer of automotive interior.
Background
The dealcoholization device is widely used in the fields of scientific research and production, and the working principle is that after dealcoholization is carried out by utilizing a dealcoholization kettle, free alcohol and moisture in materials are evaporated and separated, and the materials enter a condenser after passing through a refining tower to be cooled into liquid. However, the color and acid value of the finished product are affected by the overhigh temperature of the introduced steam in the dealcoholization kettle, Chinese patent CN204395501U discloses a stirring dealcoholization kettle, the heat conduction oil is utilized to heat the materials in the kettle body, the temperature is well controlled, although the temperature is controlled to a certain degree, the effect and the efficiency are not very good, in addition, in the traditional process, the bottom of a refining tower is directly connected with a distillation opening of the dealcoholization kettle, when the dealcoholization kettle finishes the stripping process, in the process of maintaining stirring and cooling the materials in the kettle, because the heating is stopped, the temperature of the system is reduced and the vacuum is damaged, a small part of low boiling point substances in the refining tower can flow back to the dealcoholization kettle from the refining tower, and the purity and the like of the product in the dealcoholization kettle are affected. The application provides a dealcoholize device for producing a special plasticizer for automotive interiors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect of background art, providing a temperature control is simple, practical, dealcoholize efficient, can avoid the dealcoholize device that is used for producing the special plasticizer of automotive interior, who flows back.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
a dealcoholization device for producing a special plasticizer for automotive interiors comprises a dealcoholization kettle, a refining tower and a condenser which are sequentially connected; the top of the dealcoholization kettle is provided with a feed inlet and a distillation opening, the bottom of the dealcoholization kettle is provided with a discharge outlet, the distillation opening is communicated with the lower part of the side wall of the refining tower, and the bottom of the refining tower is provided with a reflux device; a heat-conducting oil coil is axially arranged at the middle part in the dealcoholization kettle close to the inner wall, a cooling water coil is arranged at the inner side of the heat-conducting oil coil, the lower end of the heat-conducting oil coil is connected with an oil inlet at the bottom of the dealcoholization kettle, and the upper end of the heat-conducting oil coil is connected with an oil outlet at the side wall of the dealcoholization kettle; the lower end of the cooling water coil is connected with a cooling water inlet at the bottom of the dealcoholization kettle, and the upper end of the cooling water coil is connected with a cooling water outlet on the side wall of the dealcoholization kettle; the dealcoholization kettle is characterized in that a stirring shaft is further arranged at the inner center of the dealcoholization kettle, the top end of the stirring shaft is connected with a stirring motor fixed above the dealcoholization kettle, the lower end of the stirring shaft is connected with a bearing at the bottom of the dealcoholization kettle, a stirring paddle is further arranged at the lower part of the stirring shaft, most preferably, the stirring paddle is a push type single-layer stirring paddle, and the stirring motor is a variable frequency speed regulating motor.
Preferably, the reflux device comprises a reflux pipe communicated with the bottom of the refining tower, the other end of the reflux pipe is connected with the side wall of the dealcoholization kettle, and a reflux valve is arranged on the reflux pipe.
Preferably, the bottom center in the dealcoholization kettle is also provided with an annular dispersing pipe, dispersing holes are uniformly distributed on the dispersing pipe, the dispersing pipe is connected with the lower end of a stripping pipe, the upper end of the stripping pipe is connected with a stripping port at the top of the dealcoholization kettle, the dispersing pipe is positioned below the stirring paddle, and the vertical distance between the dispersing pipe and the stirring paddle is 20-50 cm.
Preferably, a thermometer port is arranged at the top of the dealcoholization kettle, the thermometer port is connected with the upper end of a thermometer tube arranged in the dealcoholization kettle, the lower end of the thermometer tube extends to the middle lower part of the dealcoholization kettle, and the lower end of the thermometer tube is closed.
Preferably, a connecting flange is further arranged between the dispersion pipe and the stripping pipe.
Preferably, the dispersion holes are opened in a direction inclined downwards by 45 degrees towards the bottom of the dealcoholization kettle.
The utility model has the advantages that:
firstly, the method comprises the following steps: the dealcoholization temperature in the dealcoholization kettle can be quickly and accurately monitored and controlled by arranging the heat-conducting oil coil and the cooling water coil in the dealcoholization kettle in cooperation with the thermometer tube, the method is simple, practical and good in effect, and the color and luster of a finished product and the acid value cannot be negatively influenced due to high temperature;
secondly, the method comprises the following steps: the vertical distance between the stirring paddle and the dispersion pipe is 20-50cm, on one hand, the stirring paddle is used for stirring materials and pushing the materials upwards to facilitate dealcoholization, on the other hand, the stirring paddle can quickly and uniformly disperse softened water or low-pressure steam sprayed by the dispersion pipe into the materials, and the introduction of the softened water or the low-pressure steam cannot cause overhigh temperature in the dealcoholization kettle; the dealcoholization efficiency is high by combining a simple and practical temperature control method;
thirdly, the method comprises the following steps: a connecting flange is arranged between the dispersion pipe and the stripping pipe, so that the dispersion pipe and the stripping pipe can be conveniently taken out from a manhole at the top of the dealcoholization kettle after being disassembled, and the maintenance of the dispersion pipe is convenient;
fourthly: by utilizing the return pipe and the return valve, the reflux can be intercepted at the bottom of the refining tower, and the reflux is discharged after the materials in the dealcoholization kettle are discharged completely, so that the influence on the purity of the materials in the dealcoholization kettle is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 10 is a dealcoholization kettle, 10.1 is a distillation opening, 10.2 is a discharge opening, 10.3 is an oil inlet, 10.4 is an oil outlet, 10.5 is a cooling water inlet, 10.6 is a cooling water outlet, 11 is a heat-conducting oil coil, 12 is a cooling water coil, 13 is a stirring shaft, 14 is a stirring paddle, 15 is a dispersion pipe, 16 is a stripping pipe, 17 is a connecting flange, 20 is a refining tower, 21 is a return pipe, 22 is a return valve, and 30 is a condenser.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A dealcoholization device for producing a special plasticizer for automotive interiors comprises a dealcoholization kettle 10, a refining tower 20 and a condenser 30 which are connected in sequence; the top of the dealcoholization kettle 10 is provided with a feed inlet and a distillation port 10.1, the bottom is provided with a discharge port 10.2, the distillation port 10.1 is communicated with the lower part of the side wall of the refining tower 20, and the bottom of the refining tower 20 is provided with a reflux device; a heat-conducting oil coil 11 is axially arranged at the middle part in the dealcoholization kettle 10 close to the inner wall, a cooling water coil 12 is arranged at the inner side of the heat-conducting oil coil 11, the lower end of the heat-conducting oil coil 11 is connected with an oil inlet 10.3 at the bottom of the dealcoholization kettle 10, and the upper end of the heat-conducting oil coil is connected with an oil outlet 10.4 on the side wall of the dealcoholization kettle 10; the lower end of the cooling water coil 12 is connected with a cooling water inlet 10.5 at the bottom of the dealcoholization kettle 10, and the upper end is connected with a cooling water outlet 10.6 on the side wall of the dealcoholization kettle 10.5; the dealcoholization kettle 10 is characterized in that a stirring shaft 13 is further arranged at the inner center of the dealcoholization kettle 10, the top end of the stirring shaft 13 is connected with a stirring motor (not shown in the figure) fixed above the dealcoholization kettle 10, the lower end of the stirring shaft is connected with a bearing at the bottom of the dealcoholization kettle 10, a stirring paddle 14 is further arranged at the lower part of the stirring shaft 13, most preferably, the stirring paddle 14 is a push type single-layer stirring paddle, and the stirring motor is a variable-frequency speed-regulating motor.
Preferably, the reflux device comprises a reflux pipe 21 communicated with the bottom of the refining tower 20, the other end of the reflux pipe 21 is connected with the side wall of the dealcoholization kettle 10, a reflux valve 22 is arranged on the reflux pipe 21, reflux can be intercepted at the bottom of the refining tower 20 by using the reflux pipe 21 and the reflux valve 22, and after the materials in the dealcoholization kettle 10 are completely discharged, the materials are discharged again, so that the purity of the materials in the dealcoholization kettle 10 is prevented from being influenced.
Preferably, the dealcoholization kettle 10 is further provided with an annular dispersion pipe 15 at the center of the bottom in the dealcoholization kettle 10, the dispersion pipe 15 is uniformly provided with dispersion holes (not shown in the figure), the dispersion pipe 15 is connected with the lower end of a stripping pipe 16, the upper end of the stripping pipe 16 is connected with a stripping port at the top of the dealcoholization kettle 10, the dispersion pipe 15 is positioned below the stirring paddle 14, and the vertical distance between the dispersion pipe 15 and the stirring paddle 14 is 20-50 cm.
Preferably, a connecting flange 17 is further provided between the dispersion pipe 15 and the stripping pipe 16.
Preferably, the dispersion holes are opened in a 45-degree downward direction obliquely toward the bottom of the dealcoholization kettle 10.
Preferably, a thermometer port is arranged at the top of the dealcoholization kettle 10, the thermometer port is connected with the upper end of a thermometer tube arranged in the dealcoholization kettle 10, the lower end of the thermometer tube extends to the middle lower part of the dealcoholization kettle 10, and the lower end is closed.
The working principle is as follows:
throw into dealcoholize cauldron 10 with the material, conduction oil coil 11 lets in hot oil, cooling water coil 12 lets in cooling water, the temperature in the dealcoholize cauldron 10 is monitored to the thermometer, be convenient for adjust at any time, steam stripping pipe 16 lets in demineralized water or low-pressure steam, stirring rake 14 on the one hand stirs the material, push up the material, the dealcoholize of being convenient for, on the other hand stirring rake 14 can be quick with the even dispersion to the material of demineralized water or low-pressure steam of dispersion tube 15 spun, free alcohol and the moisture evaporation separation in the material, enter condenser 30 after passing through refined tower 20, condenser 30 shell lets in the recirculated cooling water, the steam and the free alcohol that evaporate out are walked away to the inner tube, steam and free alcohol are at the intraductal cooling of tube and become liquid, this is prior art, here no longer gives details.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (5)

1. A dealcoholize device for producing a special plasticizer for automotive interiors is characterized in that: comprises a dealcoholization kettle (10), a refining tower (20) and a condenser (30) which are connected in sequence; a feed inlet and a distillation opening (10.1) are formed in the top of the dealcoholization kettle (10), a discharge outlet (10.2) is formed in the bottom of the dealcoholization kettle (10), the distillation opening (10.1) is communicated with the lower part of the side wall of the refining tower (20), and a reflux device is arranged at the bottom of the refining tower (20); a heat-conducting oil coil (11) is axially arranged at the middle part in the dealcoholization kettle (10) close to the inner wall, a cooling water coil (12) is arranged at the inner side of the heat-conducting oil coil (11), the lower end of the heat-conducting oil coil (11) is connected with an oil inlet (10.3) at the bottom of the dealcoholization kettle (10), and the upper end of the heat-conducting oil coil is connected with an oil outlet (10.4) on the side wall of the dealcoholization kettle (10); the lower end of the cooling water coil (12) is connected with a cooling water inlet (10.5) at the bottom of the dealcoholization kettle (10), and the upper end of the cooling water coil is connected with a cooling water outlet (10.6) on the side wall of the dealcoholization kettle (10.5); the dealcoholization kettle (10) is characterized in that a stirring shaft (13) is further arranged at the inner center of the dealcoholization kettle (10), the top end of the stirring shaft (13) is connected with a stirring motor fixed above the dealcoholization kettle (10), the lower end of the stirring shaft is connected with a bearing at the bottom of the dealcoholization kettle (10), and a stirring paddle (14) is further arranged at the lower part of the stirring shaft (13).
2. The dealcoholization apparatus for producing a plasticizer specially used for automobile interiors according to claim 1, wherein: the reflux device comprises a reflux pipe (21) communicated with the bottom of the refining tower (20), the other end of the reflux pipe (21) is connected with the side wall of the dealcoholization kettle (10), and a reflux valve (22) is arranged on the reflux pipe (21).
3. The dealcoholization apparatus for producing the plasticizer for automobile interiors according to claim 1, wherein: the bottom center still sets up ring formula dispersion pipe (15) in dealcoholization cauldron (10), equipartition dispersion hole on dispersion pipe (15), dispersion pipe (15) are connected with the lower extreme of stripping pipe (16), stripping pipe (16) upper end is connected with the strip mouth at dealcoholization cauldron (10) top, dispersion pipe (15) are located stirring rake (14) below, and are 20-50cm with the vertical distance between stirring rake (14).
4. The dealcoholization apparatus for producing a plasticizer specially used for automobile interiors according to claim 3, wherein: and a connecting flange (17) is also arranged between the dispersion pipe (15) and the stripping pipe (16).
5. The dealcoholization apparatus for producing a plasticizer specially used for automobile interiors according to claim 3, wherein: the dispersion holes are arranged in the direction of 45 degrees downwards and obliquely towards the bottom of the dealcoholization kettle (10).
CN202220789325.2U 2022-04-07 2022-04-07 Dealcoholization device for producing special plasticizer for automotive interior Active CN217367186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220789325.2U CN217367186U (en) 2022-04-07 2022-04-07 Dealcoholization device for producing special plasticizer for automotive interior

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220789325.2U CN217367186U (en) 2022-04-07 2022-04-07 Dealcoholization device for producing special plasticizer for automotive interior

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CN217367186U true CN217367186U (en) 2022-09-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116059951A (en) * 2023-03-03 2023-05-05 安徽世华化工有限公司 Environment-friendly plasticizer preparation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116059951A (en) * 2023-03-03 2023-05-05 安徽世华化工有限公司 Environment-friendly plasticizer preparation system
CN116059951B (en) * 2023-03-03 2024-05-07 安徽世华化工有限公司 Environment-friendly plasticizer preparation system

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