CN216499277U - Continuous flow tube type photochemical reactor suitable for synthesizing organic matter - Google Patents
Continuous flow tube type photochemical reactor suitable for synthesizing organic matter Download PDFInfo
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- CN216499277U CN216499277U CN202120624517.3U CN202120624517U CN216499277U CN 216499277 U CN216499277 U CN 216499277U CN 202120624517 U CN202120624517 U CN 202120624517U CN 216499277 U CN216499277 U CN 216499277U
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- photochemical
- continuous flow
- photochemical reactor
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- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 11
- 239000005416 organic matter Substances 0.000 title description 4
- 238000006552 photochemical reaction Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 230000002572 peristaltic effect Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- 150000002894 organic compounds Chemical class 0.000 claims 4
- 238000009434 installation Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- 239000012295 chemical reaction liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 tungsten halogen Chemical class 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a continuous flow tubular photochemical reactor suitable for synthesizing organic matters, which sequentially comprises a raw material conical flask, an LED photochemical reaction assembly and a product conical flask, wherein the LED photochemical reaction assembly consists of a plurality of LED photochemical reactors, the LED photochemical reactor at the head end is connected with the raw material conical flask, the LED photochemical reactor at the tail end is connected with the product conical flask, the LED photochemical reactors are mutually connected, and a three-way valve is arranged on each connecting pipe. The utility model combines the advantages of photochemical conversion and continuous flow technology, realizes low cost and low energy consumption and improves the reaction efficiency and the product purity on the premise of safe production.
Description
Technical Field
The utility model relates to the technical field of continuous flow and photochemistry, in particular to a continuous flow tubular photochemical reactor suitable for synthesizing organic matters.
Background
The photochemical reaction refers to a chemical reaction generated by substance molecules due to absorption of light quanta, and compared with the conventional reaction, the photochemical reaction has the advantages of green reaction process, mild reaction conditions and the like, can not be performed under a plurality of heating conditions, and can be performed under a photocatalytic condition, but the products are diverse and difficult to control, and the selectivity is poor.
The existing photochemical synthesis techniques are mainly divided into two main categories:
1. one is a batch photochemical technology, a batch photochemical reactor belongs to a full mixed flow reactor, a generated product cannot be led out in time, so that the yield is reduced, and the Bell-Lambert law shows that the transmission efficiency of light radiation in a reaction mixture is rapidly reduced along with the increase of the reactor, the light radiation is uneven, so that the reaction time is prolonged, and side reactions are increased;
2. the other is a continuous flow photoreaction technology, and the combination of a tubular reactor can avoid the volume amplification by a number amplification method of a plurality of parallel devices, but the problem of excessive illumination is not completely solved.
At present, most of the existing photochemical reaction devices in the market adopt low-pressure or medium-pressure mercury lamps, and tungsten halogen lamps are used as light sources, so that the photochemical reaction device has the defects of high energy consumption, high temperature rise, low light utilization rate, heat dissipation requirement of external water cooling equipment and the like.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a continuous flow tubular photochemical reactor suitable for synthesizing organic matters, which is a photochemical reactor for inducing a perylene diimide compound to perform a condensation ring reaction by using an LED lamp as an irradiation light source, combines the advantages of photochemical conversion and a continuous flow technology, and improves the reaction efficiency and the product purity while realizing low cost and low energy consumption on the premise of safe production.
In order to achieve the purpose, the tubular photochemical reactor suitable for synthesizing organic chemistry sequentially comprises a raw material conical flask, an LED photochemical reaction assembly and a product conical flask, wherein the LED photochemical reaction assembly comprises a plurality of LED photochemical reactors, the LED photochemical reactor at the head end is connected with the raw material conical flask, the LED photochemical reactor at the tail end is connected with the product conical flask, the LED photochemical reactors are connected with each other through connecting pipes, and three-way valves are arranged on the connecting pipes.
Further, the LED photochemical reactor comprises a hollow hexagonal prism-shaped support, a hollow round mounting groove for mounting the spiral glass tube is formed in the inner side of the hexagonal prism-shaped support, a mirror surface plate for reflecting light is paved on the inner wall of the hexagonal prism-shaped support except the mounting groove, a spiral quartz glass tube is arranged in the mounting groove of the hexagonal prism-shaped support, and a vertical LED lamp is arranged in the spiral quartz glass tube.
Still further, a temperature detector is arranged at the top end of the hexagonal prism type support.
Still further, the bottom of the vertical LED lamp is inserted into the lamp holder.
Still further, a peristaltic pump is arranged on a pipeline between the raw material conical flask and the LED photochemical reaction assembly.
The principle of the utility model is as follows:
the photochemical reaction refers to a chemical reaction generated after a substance molecule absorbs a light quantum, the high-brightness LED lamp is used as a light source required by the photocatalytic reaction, the energy consumption is greatly reduced, when the photochemical reaction is carried out, a reaction liquid flows through a long and thin pipeline spirally surrounding the LED light source under the action of a peristaltic pump, the photochemical reaction is carried out when the reaction liquid receives light in the flowing process, the light receiving surface area of the reaction liquid is increased by the spiral long and thin pipeline, meanwhile, the novel and innovative mirror surface protection cover is adopted in the experiment, the light energy released by the light source is controlled in the protection cover through mirror surface reflection while the internal reaction pipeline is protected, and the utilization rate of the light energy is improved to the maximum degree.
The utility model has the beneficial effects that:
1. the tubular LED photochemical reaction component is simpler in design, low in manufacturing material cost, easy to obtain and low in cost, and is suitable for popularization in the industry.
2. The LED lamp is used as a light source, so that the LED lamp has the advantages of environmental protection and long service life of a solid-state light source, and can be used as an ultraviolet light and near-infrared light radiation light source to play a role in photochemical reaction instead of a mercury lamp.
3. According to the utility model, the spiral quartz glass tube is adopted, and the glass tube is spirally wound around the vertical LED lamp, compared with the traditional cylindrical tube type, the structure is further beneficial to increasing the specific surface area of the liquid for receiving light and improving the utilization rate of the light.
4. The utility model uses peristaltic pump to connect glass tube, to change the reaction liquid from complete mixed flow to continuous flow, to combine micro flow technique, to improve the light receiving uniformity, and improve the heat and mass transfer, to reduce the time, selective reaction and effective amplification.
Drawings
FIG. 1 is a schematic diagram of a continuous flow tubular photochemical reactor suitable for synthesizing organic matter;
FIG. 2 is a detailed view of a continuous flow tubular photochemical reactor suitable for synthesizing organic matter;
FIG. 3 is a block diagram of an LED photochemical reactor;
in the figure, a raw material conical flask 1, an LED photochemical reaction assembly 2, a product conical flask 3, an LED photochemical reactor 4, a hexagonal prism-shaped bracket 4.1, a mirror plate 4.2, a spiral quartz glass tube 4.3, a vertical LED lamp 4.4, a temperature detector 4.5, a three-way valve 5, a lamp holder 6 and a peristaltic pump 7.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific embodiments for the understanding of those skilled in the art.
The continuous flow tubular photochemical reactor suitable for synthesizing organic matters as shown in fig. 1-3 sequentially comprises a raw material conical flask 1, a peristaltic pump 7, an LED photochemical reaction assembly 2 and a product conical flask 3, wherein the LED photochemical reaction assembly 2 consists of a plurality of LED photochemical reactors 4, the LED photochemical reactor 4 at the head end is connected with the raw material conical flask 1, the LED photochemical reactor 4 at the tail end is connected with the product conical flask 3, the LED photochemical reactors 4 are connected with each other through connecting pipes, and the connecting pipes are all provided with three-way valves 5;
the LED photochemical reactor 4 comprises a hollow hexagonal prism-shaped support 4.1, and a temperature detector 4.5 is arranged at the top end of the hexagonal prism-shaped support 4.1; a hollow round mounting groove for mounting the spiral glass tube is arranged on the inner side of the hexagonal prism-shaped support 4.1, a mirror panel 4.2 for reflecting light is paved on the inner wall of the hexagonal prism-shaped support 4.1 except the mounting groove, a spiral quartz glass tube 4.3 is arranged in the mounting groove of the hexagonal prism-shaped support 4.1, and a vertical LED lamp 4.4 is arranged in the spiral quartz glass tube 4.3; the vertical LED lamp 4.4 is inserted into the base 6 at the bottom.
The pipeline is a corrosion-resistant hose, the LED lamp is a large light source, and the LED lamp has higher luminous flux than a common LED lamp and can meet the requirement of an experiment;
the quartz glass spiral tube is made of quartz glass and has high light transmittance in a visible light region; the inner diameter of the glass tube is 2mm, the outer diameter is 4mm, the wall thickness is 1mm, the spiral space basically has no gap effect, the micro-flow technology is more favorably realized, and the utilization rate of a light source is highest;
the working process of the continuous flow tubular photochemical reactor suitable for synthesizing the organic matters comprises the following steps:
1. adding the mixed reaction liquid into a raw material conical flask 1; then the reaction liquid enters a pipeline of a slender spiral quartz glass tube 4.3 spirally surrounding the vertical LED lamp 4.4 under the action of a peristaltic pump 7, light quanta are absorbed in the flowing process of a surrounding light source to generate photochemical reaction, and finally the product is conveyed to a product conical flask 3 through a reaction outlet pipeline, the liquid in the product conical flask 3 is the reaction product, and the experiment is finished;
2. meanwhile, the three-way valve 5 is controlled to be opened and closed, so that the reactions of different LED photochemical reactors 4 are realized.
Other parts not described in detail are prior art. Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (5)
1. A continuous flow tubular photochemical reactor suitable for synthesizing organic matters, characterized in that: it includes raw materials erlenmeyer flask (1), LED photochemical reaction subassembly (2) and product erlenmeyer flask (3) in proper order, LED photochemical reaction subassembly (2) have a plurality of LED photochemical reaction wares (4) to constitute, and wherein, the LED photochemical reaction ware (4) and the raw materials erlenmeyer flask (1) of head end are connected, and the LED photochemical reaction ware (4) and the product erlenmeyer flask (3) of tail end are connected, all are provided with three-way valve (5) on connecting pipe interconnect and the connecting pipe between a plurality of LED photochemical reaction wares (4).
2. A continuous flow tubular photochemical reactor suitable for the synthesis of organic compounds according to claim 1, characterized by: LED photochemical reactor (4) are including hollow hexagonal prism type support (4.1), hexagonal prism type support (4.1) inboard is provided with the hollow circle mounting groove of installation spiral glass pipe, and hexagonal prism type support (4.1) inner wall upper berth except that the mounting groove is equipped with mirror board (4.2) that are used for the reflection of light, be provided with spiral quartz glass pipe (4.3) in the mounting groove of hexagonal prism type support (4.1), be provided with vertical LED lamp (4.4) in spiral quartz glass pipe (4.3).
3. A continuous flow tubular photochemical reactor suitable for the synthesis of organic compounds according to claim 2 characterized by: the top end of the hexagonal prism type support (4.1) is provided with a temperature detector (4.5).
4. A continuous flow tubular photochemical reactor suitable for the synthesis of organic compounds according to claim 2 characterized by: the bottom of the vertical LED lamp (4.4) is inserted into the lamp holder (6).
5. A continuous flow tubular photochemical reactor suitable for the synthesis of organic compounds according to claim 1, characterized by: a peristaltic pump (7) is arranged on a pipeline between the raw material conical bottle (1) and the LED photochemical reaction assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120624517.3U CN216499277U (en) | 2021-03-26 | 2021-03-26 | Continuous flow tube type photochemical reactor suitable for synthesizing organic matter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120624517.3U CN216499277U (en) | 2021-03-26 | 2021-03-26 | Continuous flow tube type photochemical reactor suitable for synthesizing organic matter |
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| CN216499277U true CN216499277U (en) | 2022-05-13 |
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| CN202120624517.3U Expired - Fee Related CN216499277U (en) | 2021-03-26 | 2021-03-26 | Continuous flow tube type photochemical reactor suitable for synthesizing organic matter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121209A (en) * | 2022-08-03 | 2022-09-30 | 衡阳师范学院 | Photo-thermal integrated gas-liquid mixing serial continuous flow reaction instrument system |
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2021
- 2021-03-26 CN CN202120624517.3U patent/CN216499277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121209A (en) * | 2022-08-03 | 2022-09-30 | 衡阳师范学院 | Photo-thermal integrated gas-liquid mixing serial continuous flow reaction instrument system |
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