CN218077833U - Trichlorocarban apparatus for producing - Google Patents
Trichlorocarban apparatus for producing Download PDFInfo
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- CN218077833U CN218077833U CN202222279895.XU CN202222279895U CN218077833U CN 218077833 U CN218077833 U CN 218077833U CN 202222279895 U CN202222279895 U CN 202222279895U CN 218077833 U CN218077833 U CN 218077833U
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Abstract
The utility model discloses a trichlorocarban production device, which relates to the technical field of trichlorocarban production equipment.A bottom material outlet of a reaction kettle is communicated with a first distillation kettle through a pipeline, the bottom material outlet of the first distillation kettle is communicated to a vacuum rectification tower through a pipeline, and the bottom material outlet of the vacuum rectification tower is communicated to a crystallization kettle through a pipeline; the bottom material outlet of the crystallization kettle is communicated to a filter through a pipeline, the solid phase outlet of the filter is communicated to a washing kettle through a pipeline, the washing kettle is communicated to a dryer through a pipeline, and the dryer is communicated to a finished product tank through a pipeline. Evaporate most solvent through first stills in with reaction product, then handle low boiling point impurity such as desorption solvent once more through vacuum rectification tower to remaining material, the material gets the triclocarban product after crystallization, filtration, washing, stoving at the bottom of the tower, the utility model discloses a triclocarban purity that apparatus for producing obtained is high, and product quality is good.
Description
Technical Field
The utility model relates to a technical field of triclocarban production facility, concretely relates to triclocarban apparatus for producing.
Background
Triclocarban is widely used as a novel high-efficiency, broad-spectrum and safe antibacterial agent in medical disinfectants. The triclocarban is added into the washing powder, so that germs on clothes can be killed, and peculiar smell generated by bacterial reproduction can be eliminated; the antibacterial deodorant soap is added into the antibacterial deodorant soap, can be used for washing hands and disinfecting doctors, patients and food industry operators, reduces cross infection, and is also beneficial to removing body odor, eliminating sweat odor and preventing and treating venereal diseases; the antibacterial mouthwash is added into mouthwash and toothpaste, has high-efficiency antibacterial property on oral pathogenic bacteria, has no adverse effect on the composition of natural flora in the oral cavity, can reduce gingival infection, eliminate halitosis, remove dental plaque, and has no bad taste.
At present, the production process of triclocarban is that 3, 4-dichloroaniline dissolved in a toluene solvent and p-chlorophenyl isocyanate are reacted for a period of time in a reaction kettle, and a reaction product is centrifuged, dried and crushed to obtain the triclocarban product.
Disclosure of Invention
The utility model aims to solve the technical problem that: aiming at the defects in the prior art, the trichlorocarban production device is provided, and the obtained trichlorocarban product has high purity and good quality.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a trichlorocarban apparatus for producing, includes reation kettle, its characterized in that: the top feed inlet of the reaction kettle is respectively communicated with a 3, 4-dichloroaniline batching tank and a p-chlorophenyl isocyanate batching tank through pipelines, the bottom material outlet of the reaction kettle is communicated with a first distillation kettle through a pipeline, the bottom material outlet of the first distillation kettle is communicated to a vacuum rectification tower through a pipeline, the bottom material outlet of the vacuum rectification tower is communicated to a crystallization kettle through a pipeline, the top material outlet of the vacuum rectification tower is communicated to a condenser through a pipeline, the condenser is communicated with a collecting tank through a pipeline, and the collecting tank is communicated to a vacuum system through a pipeline;
a material outlet at the bottom of the crystallization kettle is communicated to a filter through a pipeline, a solid phase outlet of the filter is communicated to a washing kettle through a pipeline, the washing kettle is communicated to a dryer through a pipeline, and the dryer is communicated to a finished product tank through a pipeline.
As an improved technical scheme, the 3, 4-dichloroaniline mixing tank and the p-chlorophenyl isocyanate mixing tank are respectively communicated to a solvent storage tank through pipelines, and the 3, 4-dichloroaniline mixing tank and the p-chlorophenyl isocyanate mixing tank are both provided with heat preservation jackets.
As an improved technical scheme, a material outlet of the collecting tank is communicated to a second distillation kettle through a pipeline, a top material outlet of the second distillation kettle is communicated to a temporary solvent storage tank through a pipeline, and a bottom material outlet of the second distillation kettle is communicated to a material inlet of the first distillation kettle through a pipeline.
As an improved technical scheme, the temporary solvent storage tank is communicated to the solvent storage tank through a pipeline.
As an improved technical scheme, a tower bottom discharge port of the vacuum rectification tower is communicated with a tower kettle circulating pump through a pipeline, an outlet of the tower kettle circulating pump is communicated to a heat exchanger and the crystallization kettle through pipelines respectively, and an outlet of the heat exchanger is communicated to a distributor in the vacuum rectification tower through a pipeline.
As an improved technical scheme, an ejector is arranged at a top feeding hole of the reaction kettle, the 3, 4-dichloroaniline dosing tank is communicated to a high-pressure fluid inlet of the ejector through a first feeding pump, and the p-chlorophenyl isocyanate dosing tank is communicated to a low-pressure fluid inlet of the ejector through a pipeline.
In a preferred embodiment, the liquid phase outlet of the filter is connected to the first distillation still through a second feed pump.
As a preferred technical scheme, a gas phase outlet at the top of the collecting tank is communicated with a tail gas collecting device through a pipeline, and an activated carbon layer is arranged in the tail gas collecting device.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a trichlorocarban apparatus for producing, including reation kettle, reation kettle's top feed inlet has 3, 4-dichloroaniline batching jar and parachlorophenyl isocyanate batching jar through the pipeline intercommunication respectively, reation kettle's bottom material export has first stills through the pipeline intercommunication, the bottom material export of first stills is through pipeline intercommunication to vacuum rectification tower, the bottom material export of vacuum rectification tower is through pipeline intercommunication to crystallization kettle, the top material export of vacuum rectification tower is through pipeline intercommunication to the condenser, the condenser is through pipeline intercommunication has the collection tank, the collection tank is through pipeline intercommunication to vacuum system; a material outlet at the bottom of the crystallization kettle is communicated to a filter through a pipeline, a solid phase outlet of the filter is communicated to a washing kettle through a pipeline, the washing kettle is communicated to a dryer through a pipeline, and the dryer is communicated to a finished product tank through a pipeline. Evaporate most solvent through first stills in with reaction product, then handle low boiling point impurity such as desorption solvent once more through vacuum rectification tower to remaining material, the material gets the triclocarban product after crystallization, filtration, washing, stoving at the bottom of the tower, the utility model discloses a triclocarban purity that apparatus for producing obtained is high, and product quality is good.
The utility model discloses a 3, 4-dichloroaniline batching jar with to chlorobenzene isocyanate batching jar communicates to the solvent storage tank through the pipeline respectively, 3, 4-dichloroaniline batching jar with to chlorobenzene isocyanate batching jar all is equipped with the heat preservation and presss from both sides the cover. Through mixing raw materials 3, 4-dichloroaniline batching jar and p-chlorophenyl isocyanate and solvent in advance, the raw materials dissolves more fully, and the high-usage of raw materials preheats two kinds of raw materials in advance through the cover that presss from both sides that keeps warm in addition, has reduced reation kettle and has heated the time to the material, has shortened process cycle, and the degree of dissolving of two kinds of raw materials and solvent is better under the simultaneous heating state.
And a material outlet of the collecting tank is communicated to a second distillation kettle through a pipeline, a top material outlet of the second distillation kettle is communicated to a temporary solvent storage tank through a pipeline, and a bottom material outlet of the second distillation kettle is communicated to a material inlet of the first distillation kettle through a pipeline. The solvent with low boiling point and a small amount of triclocarban enter the condenser from the tower top, enter the second distillation kettle for secondary distillation and recovery after cooling, the solvent enters the temporary solvent storage tank, the waste of raw materials is avoided, the triclocarban is sleeved to the first distillation kettle again for distillation and recovery, and the product yield is improved.
The temporary solvent storage tank is communicated to the solvent storage tank through a pipeline, so that the solvent can be recycled, the waste of raw materials is avoided, and the cost is saved.
The bottom discharge port of the vacuum rectification tower is communicated with a tower kettle circulating pump through a pipeline, the outlet of the tower kettle circulating pump is communicated to the heat exchanger and the crystallization kettle through pipelines respectively, and the outlet of the heat exchanger is communicated to the distributor in the vacuum rectification tower through a pipeline. Through tower cauldron circulating pump and heat exchanger can be quick carry out the accuse temperature to the material in the vacuum rectification tower, can make the material mixture in the tower cauldron more even through the extrinsic cycle in addition, the separation effect of vacuum distillation back material is better, improves the purity of trichlorocarban.
The top feed inlet of the reaction kettle is provided with an ejector, the 3, 4-dichloroaniline dosing tank is communicated to a high-pressure fluid inlet of the ejector through a first feed pump, and the p-chlorophenyl isocyanate dosing tank is communicated to a low-pressure fluid inlet of the ejector through a pipeline. The first feeding pump provides power, so that the materials enter the high-pressure fluid inlet of the ejector at a higher speed, a low-pressure area is generated in the ejector, the materials entering from the low-pressure fluid inlet of the ejector are sucked, then the materials are fully exchanged under the action of powerful jet flow, the mixing effect is good, and the reaction is more thorough.
The liquid phase outlet of the filter is communicated to the first distillation kettle through a second feed pump. The crystallization mother liquor is recycled, so that the waste of raw materials is avoided, and the yield of the product is improved.
And a gas phase outlet at the top of the collecting tank is communicated with a tail gas collecting device through a pipeline, and an activated carbon layer is arranged in the tail gas collecting device. The condensed gas is absorbed by the active carbon layer, thereby reducing the emission of waste gas and being environment-friendly.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1. a reaction kettle; 2. a 3, 4-dichloroaniline dosing tank; 3. a p-chlorophenyl isocyanate blending tank; 4. A first distillation kettle; 5. a vacuum rectification column; 6. a crystallization kettle; 7. a condenser; 8. a collection tank; 9. a vacuum system; 10. a filter; 11. washing the kettle with water; 12. a dryer; 13. a finished product tank; 14. a solvent storage tank; 15. A second distillation kettle; 16. a temporary solvent storage tank; 17. a circulating pump of the tower kettle; 18. a heat exchanger; 19. a distributor; 20. a first feed pump; 21. a tail gas collecting device; 22. circulating pump of reaction kettle.
Detailed Description
The invention is further explained below by referring to the drawings and examples.
As shown in fig. 1, a trichlorocarban production device comprises a reaction kettle 1, wherein a top feed inlet of the reaction kettle 1 is respectively communicated with a 3, 4-dichloroaniline dispensing tank 2 and a p-chlorophenyl isocyanate dispensing tank 3 through pipelines, a bottom material outlet of the reaction kettle 1 is communicated with a first distillation kettle 4 through a pipeline, a bottom material outlet of the first distillation kettle 4 is communicated with a vacuum rectification tower 5 through a pipeline, a bottom material outlet of the vacuum rectification tower 5 is communicated with a crystallization kettle 6 through a pipeline, a top material outlet of the vacuum rectification tower 5 is communicated with a condenser 7 through a pipeline, the condenser 7 is communicated with a collection tank 8 through a pipeline, and the collection tank 8 is communicated with a vacuum system 9 through a pipeline; a material outlet at the bottom of the crystallization kettle 6 is communicated with a filter 10 through a pipeline, a solid phase outlet of the filter 10 is communicated with a washing kettle 11 through a pipeline, the washing kettle 11 is communicated with a dryer 12 through a pipeline, and the dryer 12 is communicated with a finished product tank 13 through a pipeline. Evaporate most solvent among the reaction product through first stills 4, then handle low boiling point impurity such as desorption solvent once more through vacuum rectification tower 5 to remaining material, the material gets the triclocarban product after crystallization, filtration, washing, stoving at the bottom of the tower, the utility model discloses a triclocarban purity that apparatus for producing obtained is high, and product quality is good. In addition, the washing liquid can recover the organic phase through standing and layering, and is sleeved back to the reaction kettle 1 for secondary reaction, so that the waste of raw materials is avoided, and the yield of the product is improved.
The 3, 4-dichloroaniline mixing tank 2 and the p-chlorophenyl isocyanate mixing tank 3 are respectively communicated to a solvent storage tank 14 through pipelines, and the 3, 4-dichloroaniline mixing tank 2 and the p-chlorophenyl isocyanate mixing tank 3 are both provided with heat-preservation jackets. Through mixing raw materials 3, 4-dichloroaniline batching jar 2 and p-chlorophenyl isocyanate and solvent in advance, the raw materials dissolves more fully, and the high-usage of raw materials preheats two kinds of raw materials in advance through the cover that presss from both sides that keeps warm in addition, has reduced reation kettle 1 and has carried out the time of heating to the material, has shortened process cycle, and the degree of dissolving of two kinds of raw materials and solvent is better under the simultaneous heating state.
The material outlet of the collecting tank 8 is communicated to a second distillation kettle 15 through a pipeline, the top material outlet of the second distillation kettle 15 is communicated to a temporary solvent storage tank 16 through a pipeline, and the bottom material outlet of the second distillation kettle 15 is communicated to the material inlet of the first distillation kettle 4 through a pipeline. The solvent with low boiling point and a small amount of triclocarban enter the condenser 7 from the top of the tower, enter the second distillation kettle 15 after cooling for secondary distillation and recovery, the solvent enters the temporary solvent storage tank 16, the waste of raw materials is avoided, the triclocarban at the bottom of the kettle is sleeved to the first distillation kettle 4 again for distillation and recovery, and the yield of the product is improved.
The temporary solvent storage tank 16 is communicated to the solvent storage tank 14 through a pipeline, so that the solvent can be recycled, the waste of raw materials is avoided, and the cost is saved.
The discharge hole at the bottom of the vacuum rectifying tower 5 is communicated with a tower kettle circulating pump 17 through a pipeline, the outlet of the tower kettle circulating pump 17 is communicated to a heat exchanger 18 and the crystallization kettle 6 through pipelines respectively, and the outlet of the heat exchanger 18 is communicated to a distributor 19 in the vacuum rectifying tower 5 through a pipeline. Through tower cauldron circulating pump 17 and heat exchanger 18 can be quick to the material accuse temperature in the vacuum rectification tower 5, can make the material mixture in the tower cauldron more even through the extrinsic cycle in addition, the separation effect of vacuum distillation back material is better, improves the purity of triclocarban.
The top feed inlet of the reaction kettle 1 is provided with an ejector, the 3, 4-dichloroaniline dosing tank 2 is communicated to a high-pressure fluid inlet of the ejector through a first feed pump 20, and the p-chlorophenyl isocyanate dosing tank 3 is communicated to a low-pressure fluid inlet of the ejector through a pipeline. The first feeding pump 20 provides power, so that the material enters the high-pressure fluid inlet of the ejector at a higher speed, a low-pressure area is generated in the ejector, the material entering from the low-pressure fluid inlet of the ejector is sucked, and then under the action of powerful jet flow, the material is fully exchanged, the mixing effect is good, and the reaction is more thorough.
The liquid phase outlet of the filter 10 is connected to the first still pot 4 via a second feed pump. The crystallization mother liquor is recycled, so that the waste of raw materials is avoided, and the yield of the product is improved.
And a gas phase outlet at the top of the collecting tank 8 is communicated with a tail gas collecting device 21 through a pipeline, and an activated carbon layer is arranged in the tail gas collecting device 21. The condensed gas is absorbed by the activated carbon layer, thereby reducing the emission of waste gas and being environment-friendly.
A reaction kettle circulating pump 22 is arranged outside the reaction kettle 1, so that the mixing of materials in the reaction kettle 1 can be enhanced through external circulation, and the yield of products is improved.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (8)
1. The utility model provides a trichlorocarban apparatus for producing, includes reation kettle, its characterized in that: the top feed inlet of the reaction kettle is respectively communicated with a 3, 4-dichloroaniline batching tank and a p-chlorophenyl isocyanate batching tank through pipelines, the bottom material outlet of the reaction kettle is communicated with a first distillation kettle through a pipeline, the bottom material outlet of the first distillation kettle is communicated to a vacuum rectification tower through a pipeline, the bottom material outlet of the vacuum rectification tower is communicated to a crystallization kettle through a pipeline, the top material outlet of the vacuum rectification tower is communicated to a condenser through a pipeline, the condenser is communicated with a collecting tank through a pipeline, and the collecting tank is communicated to a vacuum system through a pipeline;
the bottom material outlet of the crystallization kettle is communicated to a filter through a pipeline, the solid phase outlet of the filter is communicated to a washing kettle through a pipeline, the washing kettle is communicated to a dryer through a pipeline, and the dryer is communicated to a finished product tank through a pipeline.
2. The triclocarban production apparatus as claimed in claim 1 wherein: the 3, 4-dichloroaniline mixing tank and the p-chlorophenyl isocyanate mixing tank are respectively communicated to a solvent storage tank through pipelines, and the 3, 4-dichloroaniline mixing tank and the p-chlorophenyl isocyanate mixing tank are both provided with heat preservation jackets.
3. The triclocarban production apparatus as claimed in claim 2, wherein: and a material outlet of the collecting tank is communicated to a second distillation kettle through a pipeline, a top material outlet of the second distillation kettle is communicated to a temporary solvent storage tank through a pipeline, and a bottom material outlet of the second distillation kettle is communicated to a material inlet of the first distillation kettle through a pipeline.
4. The triclocarban production apparatus as claimed in claim 3, wherein: the temporary solvent storage tank is communicated to the solvent storage tank through a pipeline.
5. The triclocarban production apparatus as claimed in claim 1 wherein: the bottom discharge port of the vacuum rectification tower is communicated with a tower kettle circulating pump through a pipeline, the outlet of the tower kettle circulating pump is communicated to the heat exchanger and the crystallization kettle through pipelines respectively, and the outlet of the heat exchanger is communicated to the distributor in the vacuum rectification tower through a pipeline.
6. The triclocarban production apparatus as claimed in claim 1 wherein: the top feed inlet of the reaction kettle is provided with an ejector, the 3, 4-dichloroaniline dosing tank is communicated to a high-pressure fluid inlet of the ejector through a first feed pump, and the p-chlorophenyl isocyanate dosing tank is communicated to a low-pressure fluid inlet of the ejector through a pipeline.
7. The triclocarban production apparatus as claimed in claim 1 wherein: the liquid phase outlet of the filter is communicated to the first distillation kettle through a second feed pump.
8. The triclocarban production apparatus as claimed in claim 1, wherein: and a gas phase outlet at the top of the collecting tank is communicated with a tail gas collecting device through a pipeline, and an activated carbon layer is arranged in the tail gas collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279895.XU CN218077833U (en) | 2022-08-27 | 2022-08-27 | Trichlorocarban apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279895.XU CN218077833U (en) | 2022-08-27 | 2022-08-27 | Trichlorocarban apparatus for producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218077833U true CN218077833U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222279895.XU Active CN218077833U (en) | 2022-08-27 | 2022-08-27 | Trichlorocarban apparatus for producing |
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| CN (1) | CN218077833U (en) |
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2022
- 2022-08-27 CN CN202222279895.XU patent/CN218077833U/en active Active
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