CN220531572U - Biological ester plasticizer photocatalysis device - Google Patents
Biological ester plasticizer photocatalysis device Download PDFInfo
- Publication number
- CN220531572U CN220531572U CN202322045047.7U CN202322045047U CN220531572U CN 220531572 U CN220531572 U CN 220531572U CN 202322045047 U CN202322045047 U CN 202322045047U CN 220531572 U CN220531572 U CN 220531572U
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- CN
- China
- Prior art keywords
- reaction kettle
- photocatalysis
- tail gas
- ester plasticizer
- reaction
- Prior art date
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 57
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 47
- 239000004014 plasticizer Substances 0.000 title claims abstract description 26
- 150000002148 esters Chemical class 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 29
- 239000000460 chlorine Substances 0.000 claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 12
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims abstract description 9
- 238000013032 photocatalytic reaction Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000006227 byproduct Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a biological ester plasticizer photocatalysis device, which comprises a photocatalysis reaction kettle, a circulating pump, a glass lining pipeline, a chlorine distributor with a chlorine inlet and a tail gas absorption system; the photocatalysis reaction kettle is a customized biological ester plasticizer reaction kettle; the chlorine distributor is arranged at the middle lower part of the reaction kettle, a plurality of customized photocatalysis UV lamp tubes are arranged above the chlorine distributor in the reaction kettle, and a plurality of lamp hole flanges for installing the photocatalysis UV lamp tubes are uniformly arranged on the inner surface of the top of the reaction kettle so as to insert the photocatalysis UV lamp tubes into the reaction kettle to realize high-efficiency photocatalysis reaction; the bottom outlet of the photocatalytic reaction kettle is connected to one side of the upper part of the reaction kettle through a glass lining pipeline after being connected with a circulating pump, the other side of the upper part of the reaction kettle is provided with a fatty acid methyl ester inlet, and a tail gas outlet pipeline arranged at the top of the photocatalytic reaction kettle is connected with a tail gas absorption system. The utility model has the advantages of high efficiency in reaction, good and stable product quality and no pollution in production of the biological ester plasticizer.
Description
Technical Field
The utility model relates to the technical field of preparation devices of biological ester plasticizers of organic chemical products, in particular to a photocatalysis device for biological ester plasticizers.
Technical Field
At present, when the fatty acid methyl ester is used for producing the biological ester plasticizer, chlorine is generally adopted for substitution reaction in the reaction process, a catalyst is added in stages for triggering reaction in the reaction process, the reaction temperature is regulated along with the change of the reaction stage, and finally, the reaction is stopped according to the product quality requirement and the next procedure is carried out. The catalyst has the following disadvantages: firstly, the addition of the catalyst can generate decomposition reaction or byproducts, so that impurities are increased; secondly, the catalyst is added in stages, which is judged according to the reaction rate, and the delay of catalyst addition often occurs to prolong the reaction time and influence the production efficiency; thirdly, the product chromatograph is more in impurity and unstable in quality; fourth, the chlorine conversion rate is low, and the chlorine is frequently unreacted and directly enters the tail gas system, so that the tail gas treatment cost is high.
Disclosure of Invention
The utility model aims to provide a biological ester plasticizer photocatalysis device which has high efficiency in reaction, good and stable product quality and no pollution in production of biological ester plasticizer.
In order to achieve the aim, the biological ester plasticizer photocatalysis device comprises a photocatalysis reaction kettle 1, a circulating pump 2, a glass lining pipeline 3, a chlorine distributor 4 with a chlorine inlet and a tail gas absorption system 5; the photocatalysis reaction kettle 1 is a customized biological ester plasticizer reaction kettle; the chlorine distributor 4 is arranged at the middle lower part of the reaction kettle, a plurality of customized photocatalysis UV lamp tubes 6 are arranged above the chlorine distributor 4 in the reaction kettle, and a plurality of lamp hole flanges for installing the photocatalysis UV lamp tubes 6 are uniformly arranged on the inner surface of the top of the reaction kettle so as to insert the photocatalysis UV lamp tubes into the reaction kettle to realize high-efficiency photocatalysis reaction; the bottom outlet of the photocatalytic reaction kettle 1 is connected to one side of the upper part of the reaction kettle through a glass lining pipeline 3 after being connected with a circulating pump 2 through a pipeline, the other side of the upper part of the reaction kettle is provided with a fatty acid methyl ester inlet, and a tail gas outlet pipeline arranged at the top of the photocatalytic reaction kettle 1 is connected with a tail gas absorption system 5.
The number of the photocatalytic UV lamp tube 6 and the lamp hole flange is six.
The volume of the photocatalysis reaction kettle 1 is 20m 3 。
The tail gas absorption system 5 is formed by connecting a tail gas primary absorption device 5-1 and a tail gas secondary absorption device 5-2 in series through pipelines.
The specific operation flow of the biological ester plasticizer photocatalysis device is as follows: fatty acid methyl ester into 20m 3 After the photocatalysis reaction kettle, materials flow out from the bottom of the reaction kettle, flow out from one side of the upper part of the reaction kettle through a circulating pump 2 and a glass lining pipeline 3, then circulate into the reaction kettle, and chlorine from a chlorine distributor reacts with the circulating materials under the photocatalysis effect of a photocatalysis UV lamp tube 6, and reaction tail gas flows out from a tail gas outlet pipeline at the top of the reaction kettle and enters a tail gas absorption system 5 for absorption.
The photocatalytic device for the biological ester plasticizer provided by the utility model has the advantages that the photocatalytic UV lamp tube is arranged in the reaction kettle, the photochemical power supply and the electrical control system are adopted to control the power of the photocatalytic UV lamp tube, so that the efficient photocatalytic reaction is realized, and the device has the following technical characteristics and beneficial effects:
1. the reaction is triggered by light energy without heat and a catalyst, and the reaction temperature is low;
2. decomposition reactions or byproducts may be reduced to very low or not produced at all;
3. the chlorine conversion rate is high;
4. the impurity of the product is less;
5. the reaction time is shortened;
6. greatly reduces the content of byproducts, and ensures stable and improved product quality.
Drawings
FIG. 1 is a schematic structural view of a photocatalytic device for a bio-ester plasticizer according to the present utility model.
Reference numerals: the device comprises a photocatalysis reaction kettle 1, a circulating pump 2, a glass lining pipeline 3, a chlorine distributor 4, a tail gas absorption system 5, a tail gas primary absorption device 5-1, a tail gas secondary absorption device 5-2 and a photocatalysis UV lamp tube 6.
Detailed Description
The following describes in further detail the embodiments of the photocatalytic device for a bio-ester plasticizer according to the present utility model with reference to the accompanying drawings.
The biological ester plasticizer photocatalysis device comprises a volume of 20m 3 The device comprises a photocatalysis reaction kettle 1, a circulating pump 2, a glass lining pipeline 3, a chlorine distributor 4 with a chlorine inlet and a tail gas absorption system 5; the photocatalysis reaction kettle 1 is a customized biological ester plasticizer reaction kettle; the chlorine distributor 4 is arranged at the middle lower part of the reaction kettle, six customized photocatalysis UV lamp tubes 6 are arranged above the chlorine distributor 4 in the reaction kettle, six lamp hole flanges for installing the photocatalysis UV lamp tubes 6 are uniformly arranged on the inner surface of the top of the reaction kettle, so that the photocatalysis UV lamp tubes are inserted into the reaction kettle, and the power of the photocatalysis UV lamp tubes is controlled through a photochemical power supply and an electrical control system, so that high-efficiency photocatalysis reaction is realized; the bottom outlet of the photocatalytic reaction kettle 1 is connected to one side of the upper part of the reaction kettle through a glass lining pipeline 3 after being connected with a circulating pump 2 through a pipeline, the other side of the upper part of the reaction kettle is provided with a fatty acid methyl ester inlet, a tail gas outlet pipeline arranged at the top of the photocatalytic reaction kettle 1 is connected with a tail gas absorption system 5, and the tail gas absorption system 5 is formed by connecting a tail gas primary absorption device 5-1 and a tail gas secondary absorption device 5-2 in series through pipelines.
The specific operation flow of the biological ester plasticizer photocatalysis device is as follows: fatty acid methyl ester into 20m 3 After the photocatalysis reaction kettle, materials flow out from the bottom of the reaction kettle, flow out from one side of the upper part of the reaction kettle through a circulating pump 2 and a glass lining pipeline 3, then circulate into the reaction kettle, and chlorine from a chlorine distributor reacts with the circulating materials under the photocatalysis effect of a photocatalysis UV lamp tube 6, and reaction tail gas flows out from a tail gas outlet pipeline at the top of the reaction kettle and enters a tail gas absorption system 5 for absorption.
In specific operation, the photochemical power supply, the electric control system, the power supply of related equipment and the valve are started to drive the raw material fatty acid methyl ester into the reactor for 20m 3 The material in the photocatalysis reaction kettle 1 enters a glass lining pipeline 3 for circulation through a circulating pump 2, chlorine is opened to enter a chlorine distributor 4, and the chlorine is triggered by light energyAnd (3) reacting with fatty acid methyl ester, and pumping tail gas in the reaction process to a tail gas absorption system 5 for acid making and tail gas treatment.
The biological ester plasticizer photocatalysis device can efficiently trigger reaction in the chlorination reaction process of the biological ester plasticizer, does not use heat and a catalyst, but triggers the reaction by using light energy, the reaction is usually carried out at a temperature lower than 70 ℃, the generation of decomposition reaction or byproducts can be reduced to be very low or not at all, the whole reaction process is mild, the chlorine conversion rate is high, the product impurities are few, the reaction time is shortened, and the byproducts are reduced.
Claims (4)
1. A biological ester plasticizer photocatalysis device comprises a photocatalysis reaction kettle (1), a circulating pump (2), a glass lining pipeline (3), a chlorine distributor (4) with a chlorine inlet and a tail gas absorption system (5); the chlorine distributor (4) is arranged at the middle lower part of the reaction kettle; the bottom outlet of the photocatalytic reaction kettle (1) is connected with a circulating pump (2) through a pipeline and then connected to one side of the upper part of the reaction kettle through a glass lining pipeline (3), the other side of the upper part of the reaction kettle is provided with a fatty acid methyl ester inlet, and a tail gas outlet pipeline arranged at the top of the photocatalytic reaction kettle (1) is connected with a tail gas absorption system (5); the method is characterized in that: the photocatalysis reaction kettle (1) is a customized bio-ester plasticizer reaction kettle, a plurality of customized photocatalysis UV lamp tubes (6) are arranged above a chlorine distributor (4) in the reaction kettle, and a plurality of lamp hole flanges for installing the photocatalysis UV lamp tubes (6) are uniformly arranged on the inner surface of the top of the reaction kettle so as to insert the photocatalysis UV lamp tubes into the kettle, thereby realizing high-efficiency photocatalysis reaction.
2. The bio-ester plasticizer photocatalytic device according to claim 1, wherein: the number of the photocatalytic UV lamp tubes (6) and the number of the lamp hole flanges are six.
3. The bio-ester plasticizer photocatalytic device according to claim 1, wherein: the volume of the photocatalysis reaction kettle (1) is 20m 3 。
4. The bio-ester plasticizer photocatalytic device according to claim 1, wherein: the tail gas absorption system (5) is formed by connecting a tail gas primary absorption device (5-1) and a tail gas secondary absorption device (5-2) in series through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045047.7U CN220531572U (en) | 2023-08-01 | 2023-08-01 | Biological ester plasticizer photocatalysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045047.7U CN220531572U (en) | 2023-08-01 | 2023-08-01 | Biological ester plasticizer photocatalysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220531572U true CN220531572U (en) | 2024-02-27 |
Family
ID=89963472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322045047.7U Active CN220531572U (en) | 2023-08-01 | 2023-08-01 | Biological ester plasticizer photocatalysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220531572U (en) |
-
2023
- 2023-08-01 CN CN202322045047.7U patent/CN220531572U/en active Active
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