CN220495615U - Novel fractionating device for organophosphorus flame retardant - Google Patents
Novel fractionating device for organophosphorus flame retardant Download PDFInfo
- Publication number
- CN220495615U CN220495615U CN202322033809.1U CN202322033809U CN220495615U CN 220495615 U CN220495615 U CN 220495615U CN 202322033809 U CN202322033809 U CN 202322033809U CN 220495615 U CN220495615 U CN 220495615U
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- CN
- China
- Prior art keywords
- storage tank
- distillation
- distillation kettle
- kettle
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000003063 flame retardant Substances 0.000 title claims abstract description 13
- 238000004821 distillation Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- -1 incomplete reaction Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a novel fractionating device of an organophosphorus flame retardant, which comprises a reaction kettle, a distillation kettle, a condenser, an electromagnetic heater and a storage tank; the reaction kettle is connected with the distillation kettle through a pipeline, an electromagnetic heater is arranged on the tank body of the distillation kettle, and a slag hole is arranged at the bottom of the distillation kettle; the upper part of the distillation kettle is provided with a tower section, the upper end of the tower section is connected with a storage tank through a pipeline, and a condenser is arranged on the pipeline between the tower section and the storage tank; the storage tanks comprise a water storage tank, a low-fraction storage tank, a middle-fraction storage tank and a high-fraction storage tank; the electromagnetic heater comprises an electric cabinet and a plurality of sections of heating coils, and the plurality of sections of heating coils are arranged on the distillation kettle pipe body from top to bottom. The distillation still in the device is heated up fast, each component is gasified successively at different temperatures along with the temperature rise, and gas enters the condenser through the second rectifying tower to be condensed completely, so that the gas flows into the storage tanks of different components, the heating coil is closed gradually according to the component stock in the distillation still, and the device has high heating efficiency and quick temperature rise.
Description
Technical Field
The utility model relates to the field of flow dividing equipment, in particular to a novel fractionating device for an organic phosphorus flame retardant.
Background
In the synthesis of the organophosphorus flame retardant, the materials discharged from the esterification reaction kettle have the defects of low content, high acid value, dark color and the like due to the reasons of excessive addition of raw materials, incomplete reaction, byproduct generation, catalyst addition and the like, so that the materials need to be purified. Distillation is generally adopted, and different fractions are respectively collected at different temperature sections, so that separation of materials and purification of a final product are realized.
The distillation can be carried out in various heating modes, such as steam, heat conducting oil, electric heating and the like, wherein the electric heating also comprises subdivided electric heating rods, resistance wires, far infrared rays, microwave radiation, electromagnetic heating and the like. At present, the most widely used organic phosphorus flame retardant is subjected to far infrared heating, but the old mode has the inherent defects of insufficient heat efficiency, poor heat exchange, slow temperature rise, long process time and the like caused by the fact that directional heat transfer cannot be carried out.
Disclosure of Invention
In view of the above, the present utility model aims to provide a novel fractionation device for an organic phosphorus flame retardant to solve the above problems.
In order to achieve the above purpose, the following technical scheme is adopted:
the novel fractionating device for the organophosphorus flame retardant comprises a reaction kettle, a distillation kettle, a condenser, an electromagnetic heater and a storage tank;
the reaction kettle is connected with the distillation kettle through a pipeline, an electromagnetic heater is arranged on the tank body of the distillation kettle, and a slag hole is formed in the bottom of the distillation kettle;
the upper part of the distillation kettle is provided with a tower section, the upper end of the tower section is connected with the storage tank through a pipeline, and a condenser is arranged on the pipeline between the tower section and the storage tank.
As a further improvement of the utility model, the storage tank comprises a water storage tank, a low-fraction storage tank, a middle-fraction storage tank and a high-fraction storage tank, wherein the water storage tank is used for storing components at 0-70 ℃, the low-fraction storage tank is used for storing components at 70-130 ℃, the middle-fraction storage tank is used for storing components at 130-240 ℃, and the high-fraction storage tank is used for storing components at 240-400 ℃.
As a further improvement of the utility model, the electromagnetic heater comprises an electric cabinet and a plurality of sections of heating coils, wherein the sections of heating coils are arranged on the distillation kettle pipe body from top to bottom, and the sections of heating coils are respectively and electrically connected with the electric cabinet in an interlocking way.
The beneficial effects of the utility model are as follows:
the distillation still in the device is heated up fast, each component is gasified successively at different temperatures along with the temperature rise, and gas enters the condenser through the second rectifying tower to be condensed completely, so that the gas flows into the storage tanks of different components, the heating coil is closed gradually according to the component stock in the distillation still, and the device has high heating efficiency and quick temperature rise.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Please refer to fig. 1:
the novel fractionating device for the organophosphorus flame retardant comprises a reaction kettle 1, a distillation kettle 2, a condenser 3, an electromagnetic heater 4 and a storage tank 5;
the reaction kettle 1 is connected with the distillation kettle 2 through a pipeline, an electromagnetic heater 4 is arranged on a tank body of the distillation kettle 2, and a slag hole 21 is arranged at the bottom of the distillation kettle 2;
the upper part of the distillation kettle 2 is provided with a tower section 6, the upper end of the tower section 6 is connected with a storage tank 5 through a pipeline, and a condenser 3 is arranged on the pipeline between the tower section 6 and the storage tank 5.
The storage tank 5 comprises a water storage tank 51, a low-fraction storage tank 52, a middle-fraction storage tank 53 and a high-fraction storage tank 54, wherein the water storage tank 51 is used for storing components at 0-70 ℃, the low-fraction storage tank 52 is used for storing components at 70-130 ℃, the middle-fraction storage tank 53 is used for storing components at 130-240 ℃, and the high-fraction storage tank 54 is used for storing components at 240-400 ℃.
The electromagnetic heater 4 comprises an electric cabinet 41 and a plurality of sections of heating coils 42, the sections of heating coils 42 are arranged on the tube body of the distillation kettle 2 from top to bottom, and the sections of heating coils 42 are respectively and electrically connected with the electric cabinet 41 in an interlocking way.
After the reaction is completed, the organophosphorus flame retardant containing a large amount of impurities flows into the distillation kettle 2 from the esterification reaction kettle 1, the distillation kettle 2 is started to perform vacuum operation, then the electromagnetic heating device is started, and the distillation kettle 2 is quickly heated. With the temperature rise, the components are gasified successively at different temperatures, and the gas enters the condenser 3 through the rectifying tower to be condensed completely and flows into the storage tanks 5 of different components.
In the device, the distillation kettle 2 is quickly heated, all components are gasified successively at different temperatures along with the temperature rise, and gas enters the condenser 3 through the second rectifying tower to be completely condensed, so that the gas flows into the storage tanks 5 of different components, and the heating coil 42 is gradually closed according to the component stock in the distillation kettle 2.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The novel fractionating device for the organophosphorus flame retardant is characterized by comprising a reaction kettle, a distillation kettle, a condenser, an electromagnetic heater and a storage tank;
the reaction kettle is connected with the distillation kettle through a pipeline, an electromagnetic heater is arranged on the tank body of the distillation kettle, and a slag hole is formed in the bottom of the distillation kettle;
the upper part of the distillation kettle is provided with a tower section, the upper end of the tower section is connected with the storage tank through a pipeline, and a condenser is arranged on the pipeline between the tower section and the storage tank.
2. The novel fractionating apparatus for organic phosphorus flame retardant according to claim 1, wherein the storage tank comprises a water storage tank for storing components at 0-70 ℃, a low fraction storage tank for storing components at 70-130 ℃, a medium fraction storage tank for storing components at 130-240 ℃, and a high fraction storage tank for storing components at 240-400 ℃.
3. The novel fractionating device for the organophosphorus flame retardant according to claim 2, wherein the electromagnetic heater comprises an electric cabinet and a plurality of sections of heating coils, the plurality of sections of heating coils are arranged on the distillation still pipe body from top to bottom, and the plurality of sections of heating coils are respectively and electrically connected with the electric cabinet in an interlocking manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033809.1U CN220495615U (en) | 2023-07-31 | 2023-07-31 | Novel fractionating device for organophosphorus flame retardant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033809.1U CN220495615U (en) | 2023-07-31 | 2023-07-31 | Novel fractionating device for organophosphorus flame retardant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220495615U true CN220495615U (en) | 2024-02-20 |
Family
ID=89867131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322033809.1U Active CN220495615U (en) | 2023-07-31 | 2023-07-31 | Novel fractionating device for organophosphorus flame retardant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220495615U (en) |
-
2023
- 2023-07-31 CN CN202322033809.1U patent/CN220495615U/en active Active
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