CN220071662U - Preparation facilities of high purity dimethylcyclohexylamine - Google Patents
Preparation facilities of high purity dimethylcyclohexylamine Download PDFInfo
- Publication number
- CN220071662U CN220071662U CN202321602540.8U CN202321602540U CN220071662U CN 220071662 U CN220071662 U CN 220071662U CN 202321602540 U CN202321602540 U CN 202321602540U CN 220071662 U CN220071662 U CN 220071662U
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- CN
- China
- Prior art keywords
- heat exchange
- reaction kettle
- dimethylcyclohexylamine
- fixedly connected
- exchange tube
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- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 238000009833 condensation Methods 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
Abstract
The utility model discloses a preparation device of high-purity dimethylcyclohexylamine, which relates to the technical field of dimethylcyclohexylamine preparation, and comprises a reaction kettle, wherein a connecting pipe is arranged on the reaction kettle, a condensing box is arranged at the other end of the connecting pipe, a collecting tank is arranged at the bottom of the condensing box, a fixing bolt is connected to the collecting tank in a threaded manner, a rotating block is connected to the fixing bolt in a threaded manner, and gas generated by the reaction inside the reaction kettle enters the condensing box through the connecting pipe and works through a heat exchanger and a pump body, and the second heat exchange pipe, the first heat exchange pipe and the third heat exchange pipe are matched to condense the gas entering the condensing box; the object after the condensation slides to the collecting vat in through the condensing-box, through rotating fixing bolt, the fixing bolt moves on threaded connection's collecting vat when rotating, and fixing bolt moves to the separation with the collecting vat, pulls the collecting vat downwards and takes off it, collects the dimethylcyclohexylamine of preparation.
Description
Technical Field
The utility model relates to the technical field of preparation of dimethylcyclohexane, in particular to a preparation device of high-purity dimethylcyclohexylamine.
Background
The dimethyl cyclohexylamine is a strongly alkaline colorless liquid tertiary amine, the product has stronger ammonia smell, the color of the product can be gradually deepened after the product is placed for a long time, but the chemical activity of the product cannot be influenced, and the dimethyl cyclohexylamine is dissolved in most polyols and organic solvents.
In the prior art, as disclosed in chinese patent CN216458716U, a system for producing dimethylcyclohexylamine is disclosed, which comprises a reaction kettle, a circulating heat exchanger, a filtering device and a batching kettle, wherein the reaction kettle is in circulating connection with the circulating heat exchanger to form a circulating loop, the reaction kettle is sequentially connected with the filtering device and the batching kettle to form a circulating loop, a product obtained by the reaction is filtered by the filtering device to obtain a catalyst, the catalyst flows back to the reaction kettle through the batching kettle to continuously participate in the reaction, a venturi feeding device and a gas feeding pipe are arranged at a feeding port of the reaction kettle, and the bottom of the gas feeding pipe extends to the bottom of the reaction kettle to improve the reaction rate.
In the above patent, after the reaction kettle reacts the materials, the prepared dimethylcyclohexylamine is inconvenient to directly condense and collect, and the preparation efficiency of the dimethylcyclohexylamine is affected.
Disclosure of Invention
The utility model aims to solve the problems that after a reaction kettle reacts materials in the prior art, the prepared dimethylcyclohexylamine is inconvenient to condense and collect and the efficiency of the preparation of the dimethylcyclohexylamine is affected, and provides a device for preparing the high-purity dimethylcyclohexylamine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a preparation facilities of high purity dimethyl cyclohexylamine, includes reation kettle, be provided with the connecting pipe on the reation kettle, the connecting pipe other end is provided with the condensing flask, the condensing flask bottom is provided with the collecting vat, threaded connection has fixing bolt on the collecting vat, threaded connection has the turning block on the fixing bolt, the turning block is gone up to rotate and is connected with the connecting block, connecting block fixed connection is on the condensing flask.
Preferably, the condensing box is provided with a second heat exchange tube, one end of the second heat exchange tube extends to the inside of the condensing box through one side of the condensing box, one end of the second heat exchange tube is fixedly connected with a third heat exchange tube, one end of the third heat exchange tube extends to the outside through one side of the condensing box, and one end of the third heat exchange tube is fixedly connected with a pump body.
Preferably, the pump body is fixedly connected with a first heat exchange tube, one end of the first heat exchange tube is fixedly connected with a heat exchanger, and one end of a second heat exchange tube is fixedly connected with the heat exchanger.
Preferably, a pressure gauge is fixedly connected to the reaction kettle.
Preferably, the reaction kettle is fixedly connected with a feeding pipe.
Preferably, the motor is fixedly connected to the reaction kettle, the connecting shaft is fixedly connected to the motor, one end of the connecting shaft penetrates through one side of the reaction kettle and extends to the inside of the reaction kettle, and one end of the connecting shaft is fixedly connected with the stirring blade.
Preferably, heat preservation cotton is arranged outside the reaction kettle.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, a condensed object slides into the collecting tank through the condensing box, the fixing bolt rotates and moves on the collecting tank in threaded connection, the fixing bolt moves to be separated from the collecting tank, the collecting tank is pulled downwards to be taken down, and the prepared dimethyl cyclohexylamine is collected.
2. In the utility model, gas generated by the reaction in the reaction kettle enters the condensing box through the connecting pipe, and the second heat exchange pipe, the first heat exchange pipe and the third heat exchange pipe are matched through the heat exchanger and the pump body to condense the gas entering the condensing box.
Drawings
FIG. 1 is a schematic perspective view showing a device for preparing high-purity dimethylcyclohexylamine according to the present utility model;
FIG. 2 is a schematic view showing a sectional side perspective structure of a condensing box of a device for preparing high-purity dimethylcyclohexylamine according to the present utility model;
FIG. 3 is a schematic view showing a cross-sectional other side of a condensate tank of a device for producing high-purity dimethylcyclohexylamine according to the present utility model;
fig. 4 is a schematic diagram showing a motor connection perspective structure of a device for preparing high-purity dimethylcyclohexylamine according to the present utility model.
Legend description: 1. a reaction kettle; 2. a condensing box; 3. a collection tank; 4. a pump body; 5. a first heat exchange tube; 6. a heat exchanger; 7. a second heat exchange tube; 8. a connecting pipe; 9. a feed pipe; 10. a motor; 11. a pressure gauge; 12. a fixing bolt; 13. a rotating block; 14. a connecting block; 15. a third heat exchange tube; 16. a connecting shaft; 17. stirring blades; 18. and (5) heat preservation cotton.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The embodiment of the utility model provides a preparation device of high-purity dimethyl cyclohexylamine, as shown in fig. 1, 2 and 3, which comprises a reaction kettle 1, wherein a connecting pipe 8 is arranged on the reaction kettle 1, a condensing tank 2 is arranged at the other end of the connecting pipe 8, a collecting tank 3 is arranged at the bottom of the condensing tank 2, a fixing bolt 12 is connected to the collecting tank 3 in a threaded manner, a rotating block 13 is connected to the fixing bolt 12 in a threaded manner, a connecting block 14 is connected to the rotating block 13 in a rotating manner, the connecting block 14 is fixedly connected to the condensing tank 2, the second heat exchange pipe 7, the first heat exchange pipe 5 and the third heat exchange pipe 15 work through a heat exchanger 6 and a pump body 4, gas entering the condensing tank 2 is condensed, a condensed object slides into the collecting tank 3 through the condensing tank 2, the fixing bolt 12 moves on the collecting tank 3 in a threaded manner while rotating, the fixing bolt 12 moves to be separated from the collecting tank 3, and the collecting tank 3 is pulled downwards to be taken down, and the prepared dimethyl cyclohexylamine is collected.
As shown in fig. 2 and 3, the condensing box 2 is provided with a second heat exchange tube 7, one end of the second heat exchange tube 7 passes through one side of the condensing box 2 and extends into the condensing box 2, one end of the second heat exchange tube 7 is fixedly connected with a third heat exchange tube 15, one end of the third heat exchange tube 15 passes through one side of the condensing box 2 and extends to the outside, one end of the third heat exchange tube 15 is fixedly connected with a pump body 4, and the U-shaped arrangement of one end of the second heat exchange tube 7 and one end of the third heat exchange tube 15 passes through the inside of the condensing box 2, so that condensation is conveniently carried out inside the condensing box 2.
As shown in fig. 2 and 3, the pump body 4 is fixedly connected with a first heat exchange tube 5, one end of the first heat exchange tube 5 is fixedly connected with a heat exchanger 6, one end of the heat exchanger 6 is fixedly connected with a second heat exchange tube 7, and the heat exchanger 6 works to cooperate with the pump body 4 to condense the gas in the condensing tank 2.
As shown in FIG. 1, the reaction kettle 1 is fixedly connected with a pressure gauge 11, so that the internal pressure of the reaction kettle 1 can be conveniently observed.
As shown in FIG. 1, the reaction kettle 1 is fixedly connected with a feed pipe 9, so that materials can be conveniently fed into the reaction kettle 1.
As shown in fig. 1 and fig. 4, the motor 10 is fixedly connected to the reaction kettle 1, the connecting shaft 16 is fixedly connected to the motor 10, one end of the connecting shaft 16 passes through one side of the reaction kettle 1 and extends to the inside of the reaction kettle 1, one end of the connecting shaft 16 is fixedly connected with the stirring blade 17, and the motor 10 works to sequentially drive the connecting shaft 16 and the stirring blade 17 to move through the cooperation among the motor 10, the connecting shaft 16 and the stirring blade 17, so that the reaction speed of materials in the reaction kettle 1 is accelerated.
As shown in fig. 1, the heat-insulating cotton 18 is arranged outside the reaction kettle 1, and the heat-insulating cotton 18 is arranged outside the reaction kettle 1 to slow down the loss speed of the reaction temperature of the reaction kettle 1.
The application method and the working principle of the device are as follows: the material can be fed into the reaction kettle 1 through setting up inlet pipe 9, the material is inside reaction at reaction kettle 1, can observe the inside pressure of reaction kettle 1 through manometer 11, be provided with heat preservation cotton 18 through reaction kettle 1 outside, slow down the run-off speed of reaction kettle 1 reaction temperature, through the cooperation between motor 10, connecting axle 16 and stirring vane 17, motor 10 work drives connecting axle 16 and stirring vane 17 motion in proper order, thereby accelerate the reaction speed of the inside material of reaction kettle 1, the inside gas that reaction kettle 1 produced gets into inside the condensation tank 2 through connecting pipe 8, work through heat exchanger 6 and pump body 4, the cooperation between second heat exchange tube 7, first heat exchange tube 5 and third heat exchange tube 15, to the inside gas that gets into condensation tank 2 condenses, the object after the condensation slides to collecting vat 3 through condensation tank 2, through rotating fixing bolt 12, the collecting vat 3 upward moves of threaded connection when fixing bolt 12 rotates, fixing bolt 12 moves to the separation with collecting vat 3, pull collecting vat 3 down and take off, collect the dimethylcyclohexylamine of preparation.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a preparation facilities of high purity dimethylcyclohexylamine, includes reation kettle (1), its characterized in that: be provided with connecting pipe (8) on reation kettle (1), the connecting pipe (8) other end is provided with condensing tank (2), condensing tank (2) bottom is provided with collecting vat (3), threaded connection has fixing bolt (12) on collecting vat (3), threaded connection has rotation piece (13) on fixing bolt (12), rotation is connected with connecting block (14) on rotation piece (13), connecting block (14) fixed connection is on condensing tank (2).
2. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 1, characterized in that: be provided with second heat exchange tube (7) on condensing case (2), second heat exchange tube (7) one end passes condensing case (2) one side and extends to condensing case (2) inside, second heat exchange tube (7) one end fixedly connected with third heat exchange tube (15), third heat exchange tube (15) one end passes condensing case (2) one side and extends to outside, third heat exchange tube (15) one end fixedly connected with pump body (4).
3. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 2, characterized in that: the heat exchange device is characterized in that a first heat exchange tube (5) is fixedly connected to the pump body (4), one end of the first heat exchange tube (5) is fixedly connected with a heat exchanger (6), and one end of a second heat exchange tube (7) is fixedly connected to the heat exchanger (6).
4. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 1, characterized in that: and a pressure gauge (11) is fixedly connected to the reaction kettle (1).
5. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 1, characterized in that: the reaction kettle (1) is fixedly connected with a feed pipe (9).
6. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 1, characterized in that: the reaction kettle is characterized in that a motor (10) is fixedly connected to the reaction kettle (1), a connecting shaft (16) is fixedly connected to the motor (10), one end of the connecting shaft (16) penetrates through one side of the reaction kettle (1) and extends into the reaction kettle (1), and a stirring blade (17) is fixedly connected to one end of the connecting shaft (16).
7. The apparatus for producing high-purity dimethylcyclohexylamine according to claim 1, characterized in that: the outside of the reaction kettle (1) is provided with heat preservation cotton (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602540.8U CN220071662U (en) | 2023-06-25 | 2023-06-25 | Preparation facilities of high purity dimethylcyclohexylamine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602540.8U CN220071662U (en) | 2023-06-25 | 2023-06-25 | Preparation facilities of high purity dimethylcyclohexylamine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220071662U true CN220071662U (en) | 2023-11-24 |
Family
ID=88820407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321602540.8U Active CN220071662U (en) | 2023-06-25 | 2023-06-25 | Preparation facilities of high purity dimethylcyclohexylamine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220071662U (en) |
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2023
- 2023-06-25 CN CN202321602540.8U patent/CN220071662U/en active Active
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| GR01 | Patent grant |