Photochemical reaction device

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By using a light-concentrating sleeve and a spiral-winding reaction tube in the photochemical reaction device, the problem of uneven light intensity when the reactant concentration is low is solved, and an efficient photochemical reaction is achieved.

CN222446470UActive Publication Date: 2025-02-11QINGDAO AGRI UNIV

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Patent Information

Application Number: CN202420788780.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-04-16
Publication Date: 2025-02-11
Estimated Expiration: 2034-04-16

AI Technical Summary

Technical Problem

In a photochemical reaction, when the concentration of the reactant is low, it is difficult for light to penetrate the reaction liquid, resulting in uneven light intensity and affecting the reaction efficiency.

Method used

A photochemical reaction device is designed, including a light source assembly, a light concentrating sleeve and a light receiving plate. Through the light concentrating sleeve, the light emitted by the light source assembly is concentrated and all illuminated on the right side of the light receiving plate to ensure that sufficient surface of the right side of the light receiving plate is obtained. Light intensity. At the same time, the reaction tube is spirally coiled on the right side of the light receiving plate, extending the light duct section and improving the reaction efficiency.

Benefits of technology

Through the design of the light concentrator, the light energy loss is reduced, the reaction rate and efficiency are improved, and the reaction effect is ensured. Even if the reactant concentration is low, the photochemical reaction can be effectively carried out.

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Abstract

The utility model discloses a photochemical reaction device, which relates to the technical field of photochemical reaction, and comprises a seat body and a reactor, the reactor is arranged on the seat body, the reactor comprises a light source assembly, a light gathering sleeve and a light receiving plate which are sequentially arranged from right to left, the light gathering sleeve enables light emitted by the light source assembly to be projected to the right side face of the light receiving plate, the right side face of the light receiving plate is provided with a reaction tube which is spirally wound and is arranged in a transparent mode, and a reaction medium circulates in the reaction tube. According to the reaction device, the light gathering sleeve is arranged, so that light emitted by the light source assembly can be gathered and then completely irradiates the right side face of the light receiving plate, the right side face of the light receiving plate can obtain enough light intensity, light energy loss is reduced, the reaction rate is increased, and the reaction effect is guaranteed; the tube section of the reaction tube capable of obtaining illumination is long, so that the amount of the reaction tube participating in photochemical reaction at a time is large, and the reaction efficiency is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of photochemical reaction, in particular to a photochemical reaction device. Background Art

[0002] Photochemical reactions are stimulated by absorbing the energy of photons, so uniform light intensity distribution in the photochemical reactor is an important condition for obtaining high selectivity, high conversion efficiency, high yield and fast reaction rate. Due to the existence of absorption effect, the light intensity in the photochemical reactor is not uniformly distributed. When the molar extinction coefficient of the reactant is greater than 10 4 L / (mol·cm) (the value for most photochemical reactants), even if the concentration of the reactants in the reaction solution is as low as 1-5mmol / L, according to the Lambert-Beer law, the distance that light can penetrate is only on the millimeter scale, and there is a problem of not being able to illuminate through. Utility Model Content

[0003] The main purpose of the utility model is to provide a photochemical reaction device, aiming to solve the problem of poor illumination when the concentration of reactants in the reaction liquid is low.

[0004] To achieve the above object, the utility model proposes a photochemical reaction device, comprising:

[0005] a seat; and,

[0006] A reactor is arranged on the base, and includes a light source assembly, a focusing sleeve and a light receiving plate arranged in sequence from right to left. The focusing sleeve is used to enable the light emitted by the light source assembly to be projected onto the right side of the light receiving plate. A spirally coiled and transparent reaction tube is provided on the right side of the light receiving plate, and a reaction medium flows in the reaction tube.

[0007] In one embodiment, a spirally arranged receiving groove is concavely provided on the right side surface of the light receiving plate, and the receiving groove is used to position a part of the reaction tube.

[0008] In one embodiment, a first reflective coating is provided on the wall of the accommodating groove.

[0009] In one embodiment, the cross section of the light focusing sleeve is gradually increased from right to left.

[0010] In one embodiment, the inner wall surface of the focusing sleeve is provided with a second reflective coating.

[0011] In one embodiment, the light source assembly includes a mounting plate and a lamp board, wherein the mounting plate is disposed on the base body, and the lamp board is disposed on the left side of the mounting plate and is detachably connected to the mounting plate.

[0012] In one embodiment, the reactor further comprises a radiator, and the radiator is disposed on the right side of the mounting plate to dissipate heat from the mounting plate.

[0013] In one embodiment, a receiving groove is concavely formed on the lower end surface of the seat body, a semiconductor refrigerator is arranged in the receiving groove, and a semiconductor cooling plate of the semiconductor refrigerator is in contact with the bottom wall of the receiving groove;

[0014] The base and the light receiving plate are made of copper or aluminum.

[0015] In one embodiment, the bottom wall of the receiving groove is provided with thermal conductive silicone grease.

[0016] In one embodiment, the light focusing sleeve is detachably connected to the light receiving plate.

[0017] In the technical solution of the utility model, the photochemical reaction device includes a seat and a reactor, the reactor is arranged on the seat, the reactor includes a light source assembly, a focusing sleeve and a light receiving plate arranged in sequence from right to left, the focusing sleeve is used to enable the light emitted by the light source assembly to be projected to the right side of the light receiving plate, the right side of the light receiving plate is provided with a spirally coiled and transparently arranged reaction tube, and a reaction medium flows in the reaction tube. It should be noted that the reaction tube is made of perfluoroethylene propylene or perfluoroalkoxy resin with high light transmittance. By setting the focusing sleeve, the light emitted by the light source assembly can be gathered, and then all irradiated on the right side of the light receiving plate, so that the right side of the light receiving plate can obtain sufficient light intensity, reduce light energy loss, improve reaction rate, and ensure reaction effect, wherein the reaction tube is spirally coiled on the right side of the light receiving plate, so that the tube section of the reaction tube that can obtain light is longer, and then the amount of single photochemical reaction is larger, so as to improve reaction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is an exploded schematic diagram of an embodiment of a photochemical reaction device provided by the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the structure of the light receiving plate;

[0021] Figure 3for Figure 1 Schematic diagram of the structure of the central focusing sleeve.

[0022] Description of Figure Numbers:

[0023] 100. Photochemical reaction device; 1. base; 2. reactor; 21. light source assembly; 211. mounting plate; 22. focusing sleeve; 23. light receiving plate; 231. receiving groove.

[0024] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0028] Photochemical reactions are stimulated by absorbing the energy of photons, so uniform light intensity distribution in the photochemical reactor is an important condition for obtaining high selectivity, high conversion efficiency, high yield and fast reaction rate. Due to the existence of absorption effect, the light intensity in the photochemical reactor is not uniformly distributed. When the molar extinction coefficient of the reactant is greater than 10 4L / (mol·cm) (the value for most photochemical reactants), even if the concentration of the reactants in the reaction solution is as low as 1-5mmol / L, according to the Lambert-Beer law, the distance that light can penetrate is only on the millimeter scale, and there is a problem of not being able to illuminate through.

[0029] The utility model proposes a photochemical reaction device, wherein the focusing sleeve is arranged so that the light emitted by the light source assembly can be gathered and then all irradiated on the right side of the light receiving plate, so that the right side of the light receiving plate can obtain sufficient light intensity, reduce light energy loss, improve reaction rate, and ensure reaction effect, wherein the reaction tube is spirally coiled on the right side of the light receiving plate, so that the tube section of the reaction tube that can obtain light is longer, thereby making the amount of single photochemical reaction more, so as to improve reaction efficiency. Figures 1 to 3 The figure shows an embodiment of the photochemical reaction device provided by the utility model.

[0030] See also Figure 1 and Figure 2 In one embodiment of the utility model, the photochemical reaction device 100 includes a base body 1 and a reactor 2, wherein the reactor 2 is disposed on the base body 1, and the reactor 2 includes a light source assembly 21, a focusing sleeve 22 and a light receiving plate 23 which are arranged in sequence from right to left, wherein the focusing sleeve 22 is used to enable the light emitted by the light source assembly 21 to be projected onto the right side of the light receiving plate 23, and the right side of the light receiving plate 23 is provided with a spirally coiled and transparent reaction tube, wherein a reaction medium flows in the reaction tube.

[0031] In the technical solution of the utility model, the photochemical reaction device 100 includes a base body 1 and a reactor 2, the reactor 2 is arranged on the base body 1, and the reactor 2 includes a light source assembly 21, a light-collecting sleeve 22 and a light-receiving plate 23 arranged in sequence from right to left, the light-collecting sleeve 22 is used to allow the light emitted by the light source assembly 21 to be projected onto the right side of the light-receiving plate 23, and the right side of the light-receiving plate 23 is provided with a spirally coiled and transparent reaction tube, and a reaction medium flows in the reaction tube. It should be noted that the reaction tube is made of perfluoroethylene propylene or perfluoroalkoxy resin with high light transmittance. By setting the focusing sleeve 22, the light emitted by the light source assembly 21 can be gathered and then all irradiated on the right side of the light receiving plate 23, so that the right side of the light receiving plate 23 can obtain sufficient light intensity, reduce light energy loss, increase reaction rate, and ensure reaction effect. The reaction tube is spirally coiled on the right side of the light receiving plate 23, so that the tube section of the reaction tube that can receive light is longer, thereby increasing the amount of light participating in the photochemical reaction at a single time, thereby improving reaction efficiency.

[0032] The specific positioning method of the reaction tube on the light receiving plate 23 is not limited. It can be that a spirally arranged convex portion is convexly provided on the right side of the light receiving plate 23 so that the reaction tube can be wound along the convex portion and then fixed on the light receiving plate 23. It can also be that a spirally arranged groove is directly concavely provided on the right side of the light receiving plate 23 so that the reaction tube can be placed in the groove. It can also be that the reaction tube is fixed by gluing. In the embodiments of the present utility model, please refer to Figure 1 The right side of the light receiving plate 23 is concavely provided with a spirally arranged receiving groove 231, and the receiving groove 231 is used to partially position the reaction tube. In this way, when the reaction tube is installed, the reaction tube is placed in the receiving groove 231 to achieve the installation limit of the reaction tube. It should be noted that two penetration holes are provided on the light receiving plate 23 for the two ends of the spirally wound reaction tube to penetrate, so that the reaction medium can be transported into the reaction tube by a syringe pump or other tools to ensure the continuity of the photochemical reaction.

[0033] In the embodiment of the utility model, the groove wall of the containing groove 231 is provided with a first reflective coating. In this way, the reflective ability of the containing groove 231 can be improved, so that the light covered by the containing groove 231 can be reflected and re-irradiated to the reaction tube, thereby improving the light utilization efficiency, so that the reaction medium in the reaction tube can be more evenly illuminated.

[0034] In the embodiments of the present invention, please refer to Figure 1 and Figure 3 , the cross section of the light focusing sleeve is gradually enlarged in the direction from right to left. Since the cross section of the light focusing sleeve is gradually enlarged in the direction from right to left, after the light emitted by the light source assembly 21 is projected onto the right side of the light receiving plate 23, the light can be reflected into the cavity of the light focusing sleeve by the reflection effect of the light receiving plate 23 and re-projected onto the light receiving plate 23, thereby improving the light utilization efficiency.

[0035] In an embodiment of the utility model, the inner wall surface of the light-collecting sleeve is provided with a second reflective coating, so that the reflective ability of the inner wall surface of the light-collecting sleeve can be improved to further improve the light utilization efficiency.

[0036] In the embodiments of the present invention, please refer to Figure 1 The light source assembly 21 includes a mounting plate 211 and a lamp board (not shown in the figure), wherein the mounting plate 211 is arranged on the base 1, and the lamp board is arranged on the left side of the mounting plate 211 and is detachably connected to the mounting plate 211. The mounting plate 211 is provided to provide an installation position for the lamp board, so that the lamp board can be aligned with the light receiving surface, so that the reaction tube can obtain better lighting conditions.

[0037] In the embodiment of the utility model, the reactor 2 further includes a radiator (not shown in the figure), which is arranged on the right side of the mounting plate 211 to dissipate heat from the mounting plate 211. Since the lamp board generates heat during use, heat dissipation treatment is required to avoid overheating. It should be noted that the mounting plate 211 is made of a heat-conducting material, and the heat generated during the use of the lamp board can be transferred to the mounting plate 211. The radiator is provided to dissipate heat from the mounting plate 211, thereby indirectly achieving heat dissipation of the lamp board.

[0038] In the embodiment of the utility model, the lower end surface of the base body 1 is concavely provided with a receiving groove, and a semiconductor refrigerator (not shown in the figure) is arranged in the receiving groove, and the semiconductor cooling plate of the semiconductor refrigerator is in contact with the bottom wall of the receiving groove; the material of the base body 1 and the light receiving plate 23 includes any one of copper or aluminum. In this way, by arranging the semiconductor refrigerator, the temperature of the base body 1 can be controlled, and the base body 1 can exchange heat with the light receiving plate 23, thereby controlling the temperature of the reaction medium in the reaction tube to meet the temperature requirements of different photochemical reactions.

[0039] Furthermore, in an embodiment of the present invention, the bottom wall of the receiving groove is provided with thermal conductive silicone grease, so that the thermal conductivity of the seat body 1 can be improved.

[0040] In the embodiment of the present invention, the light-collecting sleeve 22 is detachably connected to the light-receiving plate 23, so that the light-collecting sleeve 22 and the light-receiving plate 23 can be easily processed and manufactured separately.

[0041] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A photochemical reaction device, characterized in that: include: seat body; as well as, A reactor is arranged on the base, and includes a light source assembly, a focusing sleeve and a light receiving plate arranged in sequence from right to left. The focusing sleeve is used to enable the light emitted by the light source assembly to be projected onto the right side of the light receiving plate. A spirally coiled and transparent reaction tube is provided on the right side of the light receiving plate, and a reaction medium flows in the reaction tube.

2. The photochemical reaction device according to claim 1, characterized in that: A spirally arranged accommodating groove is concavely provided on the right side surface of the light receiving plate, and the accommodating groove is used for positioning a part of the reaction tube.

3. The photochemical reaction device according to claim 2, characterized in that: The groove wall of the accommodating groove is provided with a first reflective coating.

4. The photochemical reaction device according to claim 1, characterized in that: In the direction from right to left, the cross section of the focusing sleeve is gradually increased.

5. The photochemical reaction device according to claim 1, characterized in that: The inner wall surface of the light-collecting sleeve is provided with a second light-reflecting coating.

6. The photochemical reaction device according to claim 1, characterized in that: The light source assembly comprises a mounting plate and a lamp board. The mounting plate is arranged on the base body, and the lamp board is arranged on the left side of the mounting plate and is detachably connected to the mounting plate.

7. The photochemical reaction device according to claim 6, characterized in that: The reactor further comprises a radiator, which is arranged on the right side of the mounting plate and is used for heat dissipation of the mounting plate.

8. The photochemical reaction device according to claim 1, characterized in that: The lower end surface of the seat body is concavely provided with a receiving groove, a semiconductor refrigerator is arranged in the receiving groove, and the semiconductor cooling plate of the semiconductor refrigerator is in contact with the bottom wall of the receiving groove; The base and the light receiving plate are made of copper or aluminum.

9. The photochemical reaction device according to claim 8, characterized in that: The bottom wall of the containing groove is provided with thermal conductive silicone grease.

10. The photochemical reaction device according to claim 1, characterized in that: The light-collecting sleeve is detachably connected to the light-receiving plate.