Reactor suitable for in-situ Raman monitoring of photocatalytic system

Abstract

The invention provides a reactor suitable for in-situ Raman monitoring of a photocatalytic system, and belongs to the field of reaction devices, the reactor comprises a reactor body, the top wall of the reactor body is made of a transparent material; the reactor cavity is formed in the reactor body; the number of the joints is at least two, the at least two joints are arranged on the upper side of the reactor body at intervals, and each joint is communicated with the reactor cavity; and the at least two sealing plugs are inserted into the at least two joints in a one-to-one correspondence manner. The reaction device for in-situ Raman monitoring aims at solving the problems that in the prior art, a reaction device for in-situ Raman monitoring cannot meet the requirements for illumination and sealing performance of photocatalytic reaction conditions, the requirement for high light transmittance during Raman spectrum testing and the requirement for stable fluid circulation paths. The reactor has the technical effects that the reactor has a relatively stable circulation path, relatively good sealing performance and relatively good light transmittance, so that photocatalytic reaction conditions can be met.

Description

Technical Field

[0001] This invention relates to the field of reaction apparatus technology, and in particular to a reactor suitable for in-situ Raman monitoring of photocatalytic systems. Background Technology

[0002] Photocatalysis, with its ability to utilize light energy to achieve conversion reactions between solid catalysts and gaseous or liquid reactants, has garnered widespread attention in fields such as environmental remediation, energy conversion, and organic synthesis. However, photocatalytic gas-solid / liquid-solid phase reaction systems often involve complex physicochemical processes at the catalyst-reactant-interface. To elucidate the mechanisms of these physicochemical processes, in-situ characterization techniques are increasingly becoming a research focus.

[0003] Among numerous in-situ characterization techniques, Raman spectroscopy is of great value in in-situ research because it can provide information on molecular vibrations, thereby monitoring changes in catalyst surface structure, the formation of adsorption intermediates, and reaction processes. However, the reaction apparatus used for in-situ Raman monitoring still cannot simultaneously meet the requirements of illumination and sealing for photocatalytic reactions, as well as the requirements of high transmittance and stable fluid flow paths for Raman spectroscopy testing. Summary of the Invention

[0004] This invention provides a reactor suitable for in-situ Raman monitoring of photocatalytic systems, which solves the shortcomings of existing in-situ Raman monitoring reactors that still cannot meet the requirements of light and sealing for photocatalytic reaction conditions, as well as the requirements of high transmittance and stable fluid flow path for Raman spectroscopy testing. The reactor achieves a relatively stable fluid flow path, good sealing and good transmittance, thus meeting the requirements of light irradiation for photocatalytic reaction conditions before entering the reactor cavity.

[0005] This invention provides a reactor suitable for in-situ Raman monitoring of photocatalytic systems, comprising: The reactor body, with its top wall made of a transparent material; The reactor cavity is located within the reactor body. The reactor body has at least two joints, which are spaced apart and located on the upper side of the reactor body. Each joint is connected to the reactor cavity. A sealing plug, the number of sealing plugs is at least two, and at least two sealing plugs are inserted one-to-one on at least two joints.

[0006] In addition, the reactor according to the present invention for in-situ Raman monitoring of photocatalytic systems may also have the following additional technical features: In some embodiments of the present invention, each sealing plug includes: The plug is inserted into the corresponding connector; The locking block is connected to the plug body, and the locking block abuts against the top of the corresponding connector.

[0007] In some embodiments of the present invention, it further includes: A sealing cap, at least two sealing caps, with at least two removable caps corresponding to each other on at least two joints.

[0008] In some embodiments of the present invention, each connector includes: A connecting transition section is provided, with one end of the connecting transition section connected to the reactor body. The threaded part connects to the other end of the connecting transition part.

[0009] In some embodiments of the present invention, the sealing cap includes: The connecting part is connected to the threaded part; The cover has a connecting part inside.

[0010] In some embodiments of the present invention, the outer periphery of the cover body of each sealing cap is polygonal.

[0011] In some embodiments of the present invention, it further includes: The groove is located at the end of the block that is away from the plug body.

[0012] In some embodiments of the present invention, the bottom surface of the reactor cavity is a plane.

[0013] In some embodiments of the present invention, each sealing cap further includes: Chamfers, with multiple chamfers spaced apart on the outer periphery of the corresponding cover.

[0014] In some embodiments of the present invention, the shape of the plug body of each sealing plug is frustum-shaped.

[0015] In summary, this application includes the following beneficial technical effects: the arrangement of at least two connectors, each of which is connected to the reactor cavity, enables the fluid to have a relatively stable flow path; the arrangement of at least two sealing plugs enables the reactor to have good sealing performance; and the arrangement of the top wall of the reactor body being made of a transparent material enables the reactor to have good light transmittance, thereby allowing light irradiation to enter the reactor cavity to meet the conditions for photocatalytic reaction. Attached Figure Description

[0016] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings: Figure 1 A first view of a reactor suitable for in-situ Raman monitoring of a photocatalytic system, according to some embodiments of the present invention, is shown schematically.

[0017] Figure 2 A second view of a reactor suitable for in-situ Raman monitoring of a photocatalytic system, according to some embodiments of the present invention, is shown schematically.

[0018] Figure 3 A third view of a reactor suitable for in-situ Raman monitoring of a photocatalytic system, according to some embodiments of the present invention, is shown schematically.

[0019] Figure 4 A perspective view of a sealing plug for an in-situ Raman monitoring reactor suitable for photocatalytic systems, according to some embodiments of the present invention, is shown schematically.

[0020] Figure 5 A perspective view of a sealing cap for an in-situ Raman monitoring reactor suitable for photocatalytic systems, according to some embodiments of the present invention, is shown schematically.

[0021] Figure label: 1. Reactor body; 11. Reactor cavity; 2. Connector; 21. Connection transition part; 22. Threaded part; 3. Sealing plug; 31. Plug body; 32. Locking block; 33. Groove; 4. Sealing cover; 41. Cover body; 42. Connection part; 43. Receiving part; 44. Chamfer. Detailed Implementation

[0022] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0023] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “” used herein may also indicate the inclusion of the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated, unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0024] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0025] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may also be rotated 90 degrees or in other orientations, and the spatial relative descriptors used in the text will be interpreted accordingly.

[0026] Photocatalysis technology has garnered widespread attention in fields such as environmental remediation, energy conversion, and organic synthesis due to its ability to utilize light energy to achieve conversion reactions between solid catalysts and gaseous or liquid reactants. However, photocatalytic gas-solid or liquid-solid phase reaction systems often involve complex physicochemical processes at the catalyst-reactant-interface. To elucidate the mechanisms of these physicochemical processes, in-situ characterization techniques are increasingly becoming a research focus.

[0027] Among numerous in-situ characterization techniques, Raman spectroscopy holds significant value in in-situ research due to its ability to provide molecular vibrational information, thereby enabling the monitoring of catalyst surface structural changes, adsorption intermediate formation, and reaction processes. However, in-situ Raman testing reaction devices still face some structural and universality challenges. First, to achieve both the incident and scattered Raman laser signals, the reactor material must simultaneously meet the requirements of high light transmittance and material stability. Second, in-situ testing requires a rationally designed reactor structure to achieve Raman laser irradiation of the actual catalytic site and stable fluid flow paths. Third, in photocatalytic reaction systems, the compatibility of the light source emission position, catalyst solid phase support, and reactant gases and liquids with the reactor structure must also be considered.

[0028] Reactors used for in-situ Raman monitoring of photocatalytic gas-solid or liquid-solid phase systems not only need to meet the requirements of light and sealing for photocatalytic reaction conditions, but also need to meet the conditions of low scattering background, high transmittance, and reasonable laser irradiation position for Raman spectroscopy testing.

[0029] like Figures 1 to 5 As shown, according to an embodiment of the first aspect of the present invention, a reactor suitable for in-situ Raman monitoring of a photocatalytic system is proposed, comprising a reactor body 1, connectors 2 and sealing plugs 3, wherein there are at least two connectors 2 and the number of sealing plugs 3 is equal to the number of connectors 2, wherein at least two connectors 2 are spaced apart on the upper side of the reactor body 1, wherein a reactor cavity 11 is provided inside the reactor body 1, and each connector 2 communicates with the reactor cavity 11, wherein the top wall of the reactor body 1 is made of a transparent material, and at least two sealing plugs 3 are inserted one-to-one on at least two connectors 2.

[0030] In the above embodiments, it should be noted that the reactor body 1 is rectangular in shape.

[0031] The length of reactor body 1 is between 70mm and 80mm, specifically 70mm, 71mm, 72mm, 73mm, 74mm, 75mm, 76mm, 77mm, 78mm, 79mm, or 80mm; the width of reactor cavity 11 is between 15mm and 25mm, specifically 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, or 25mm; the height of reactor body 1 is between 3mm and 4mm, specifically 3.1mm. The outer diameters of each connector 2 are 3.2mm, 3.3mm, 3.4mm, 3.5mm, 3.6mm, 3.7mm, 3.8mm, 3.9mm, or 4mm; the outer diameter of each connector 2 is between 8mm and 10mm, specifically 8.1mm, 8.2mm, 8.3mm, 8.4mm, 8.5mm, 8.6mm, 8.7mm, 8.8mm, 8.9mm, 9mm, 9.1mm, 9.2mm, 9.9mm, 9.4mm, 9.5mm, 9.6mm, 9.7mm, 9.8mm, 9.9mm, or 10mm.

[0032] Preferably, the reactor body 1 has a length of 75 mm, a width of 20 mm, a height of 3.5 mm, and an outer diameter of 9 mm for each connector 2; the sealing plug 3 is made of rubber; each connector 2 is made of transparent material; the reactor body 1 is made of transparent material, such as transparent glass, transparent plastic, or quartz; preferably, the reactor body 1 is made of quartz, and all connectors 2 are also made of quartz; thus, directional irradiation of the Raman light source and experimental light source is achieved, while facilitating visual monitoring of in-situ experiments.

[0033] The wall thickness of the reactor body 1 can be 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm or 1.5mm, preferably, the wall thickness of the reactor body 1 is 1mm.

[0034] The height of the reactor cavity 11 can be 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm or 1.5mm, preferably, the height of the reactor cavity 11 is 1mm.

[0035] All joints 2 are connected to the reactor body 1 by means of bonding, plastic welding, integral injection molding, or sealed thread connection. If the joint 2 is connected to the reactor body 1 by a sealed thread connection, a sealing structure such as injecting sealant or installing a sealing ring is required between the joint 2 and the reactor body 1 to ensure the sealing effect.

[0036] Preferably, all joints 2 and reactor body 1 are connected by integral melt injection molding.

[0037] The number of connectors 2 can be two, three, four, five, etc., preferably two; the number of sealing plugs 3 can also be two, three, four, five, etc.; the number of sealing plugs 3 is the same as the number of connectors 2.

[0038] Connector 2 can also be connected to an external gas path, so that the reactor chamber 11 is in a specific atmosphere for conducting experiments, in order to achieve the purpose of in-situ measurement of gas-solid phase experiments.

[0039] At least two connectors 2 are arranged parallel to each other and at strict intervals along the length of the reactor cavity 11, which helps to ensure a stable gas flow path.

[0040] The reactor body 1 and each joint 2 are connected by an integral fusion bonding process to form an integrated structure.

[0041] The technical effects achieved by the above embodiments are as follows: the arrangement of at least two connectors 2, each connector 2 being connected to the reactor cavity 11, enables the fluid to have a relatively stable flow path; the arrangement of at least two sealing plugs 3 enables the reactor to have good sealing performance; and the arrangement of the top wall of the reactor body 1 being made of transparent material enables the reactor to have good light transmittance, thereby allowing light irradiation to enter the reactor cavity 11 to meet the conditions for photocatalytic reaction.

[0042] Optional, such as Figure 4 As shown, each sealing plug 3 includes a plug body 31 and a locking block 32. The plug body 31 and the locking block 32 are connected to each other. The plug body 31 is inserted into the corresponding connector 2, and the locking block 32 abuts against the top of the corresponding connector 2.

[0043] In the above optional embodiments, it should be noted that both the plug 31 and the card block 32 can be made of flexible materials, such as silicone, nylon fiber, or elastic materials.

[0044] Preferably, the plug body 31 is made of rubber material, the locking block 32 is made of rubber material, and the plug body 31 and the locking block 32 are connected by bonding or integral molding. Preferably, the locking block 32 and the plug body 31 are integrally molded. The plug body 31 of each sealing plug 3 is connected to the corresponding connector 2 by interference fit. The cross-sectional shape of the inner wall of each connector 2 can be polygonal, circular, or elliptical, etc., and the cross-sectional shape of the outer wall of each connector 2 is circular. The shape of the plug body 31 of the sealing plug 3 is the same as the cross-sectional shape of the inner wall of the corresponding connector 2. The cross-sectional shape of the locking block 32 of the sealing plug 3 is circular, and the diameter of the surface of the locking block 32 in contact with the corresponding connector 2 is equal to the diameter of the outer wall of the connector 2.

[0045] The advantages of the above-mentioned optional embodiments are as follows: the cooperation between the locking block 32 and the plug 31 can achieve a first seal between the plug 31 and the connector 2, and a second seal between the locking block 32 and the connector 2, thereby effectively ensuring the sealing performance of the reactor; thus adapting to the sealing requirements of different media such as gas-solid and liquid-solid phase systems, avoiding the impact of leakage on the stability of the reaction; the setting of the locking block 32 abutting against the top of the connector 2 can effectively limit the insertion depth of the plug 31 in the connector 2, preventing the plug 31 from being inserted too deeply, causing structural deformation or sealing failure, while forming an axial limit, avoiding the plug 31 from loosening during the reaction, further increasing the reliability of the seal; in addition, the combination of the locking block 32 and the plug 31 means that during assembly, only the plug 31 needs to be inserted into the connector 2, and the locking block 32 can achieve the limit, thus making the installation more convenient and quick.

[0046] Optional, such as Figure 5 As shown, it also includes a sealing cap 4, at least two sealing caps 4, and at least two sealing caps 4 are detachable covers corresponding to each other on at least two joints 2.

[0047] In the above optional embodiments, it should be noted that the sealing cover 4 can be made of plastic material, metal material, or quartz material, depending on the actual needs.

[0048] The inner wall of the sealing cap 4 is provided with internal threads, and the outer wall of each connector 2 is provided with external threads. The number of sealing caps 4 is the same as the number of connectors 2. Each sealing cap 4 is connected to the corresponding connector 2 through internal thread engagement with the external thread of the corresponding connector 2.

[0049] The beneficial effects of the above optional embodiments are as follows: by setting the sealing cover 4 in combination with setting the sealing plug 3, the joint 2 of this reactor can be sealed twice, thereby increasing the sealing performance of this reactor.

[0050] Optional, such as Figures 1 to 3 As shown, each connector 2 includes a connecting transition portion 21 and a threaded portion 22. One end of the connecting transition portion 21 is connected to the reactor body 1, and the threaded portion 22 is connected to the other end of the connecting transition portion 21.

[0051] In the above optional embodiments, it should be noted that the connecting transition portion 21 and the threaded portion 22 are integrally formed; the sealing cap 4 is threadedly connected to the threaded portion 22; the connecting transition portion 21 and the reactor body 1 are integrally injection molded or fully welded plastic; preferably, the connecting transition portion 21 and the reactor body 1 are integrally injection molded.

[0052] The advantages of the above optional embodiments are as follows: the reliability of the connection is increased by setting the connecting transition part 21 and the threaded part 22; by dividing the joint 2 into two sections, the connecting transition part 21 and the threaded part 22, the joint 2 and the reactor body 1 can be reliably connected and leakage at the joint between the reactor body 1 and the joint 2 can be avoided. At the same time, the threaded part 22 can also be conveniently and effectively sealed to the sealing cover 4, thereby improving the sealing reliability of the joint 2 and increasing the convenience of disassembly and assembly of the reactor. Optional, such as Figure 5 As shown, the sealing cover 4 includes a cover body 41 and a connecting part 42. The connecting part 42 is connected to the threaded part 22, and the connecting part 42 is provided inside the cover body 41.

[0053] In the above optional embodiments, it should be noted that the cover 41, the connecting part 42 and the receiving part 43 are integrally formed, and the shape of the receiving part 43 is cylindrical or frustum-shaped; the sealing cover 4 also includes the receiving part 43, which is located between the bottom wall of the cover 41 and the connecting part 42. The connecting part 42 is provided with an internal thread, and the internal thread on the connecting part 42 is engaged with the threaded part 22. The receiving part 43 is used to receive the locking block 32 of the sealing plug 3. The shape of the receiving part 43 and the connecting part 42 is circular. The length of the receiving part 43 is less than or equal to the length of the locking block 32, and the diameter of the receiving part 43 is less than or equal to the diameter of the locking block 32.

[0054] The advantages of the above optional embodiments are as follows: the joint 2 can be further sealed by the cooperation of the cover 41, the connecting part 42 and the receiving part 43; the plug 31 can form a first seal with the joint 2 by the cooperation of the locking block 32 and the plug body 31; the locking block 32 can form a second seal with the joint 2; the connecting part 42 combined with the threaded part 22 can form a third seal with the joint 2; and the receiving part 43 can form a fourth seal with the joint 2. This effectively ensures the sealing performance of the reactor and ensures the strong airtightness of the reactor, which is beneficial for conducting in-situ liquid-solid phase experiments.

[0055] Optional, such as Figure 5 As shown, the outer periphery of the cover body 41 of each sealing cover 4 is polygonal.

[0056] In the above optional embodiments, it should be noted that the outer periphery shape of the cover 41 can be a rectangle, triangle, pentagon, hexagon, heptagon or octagon, etc.; preferably, the shape of the cover 41 can be a regular polygon, that is, an equilateral triangle, square, regular pentagon, regular hexagon, regular heptagon or regular octagon, etc.

[0057] Preferably, the outer periphery of the cover 41 is a regular hexagon.

[0058] The advantages of the above optional embodiments are that the structure of the multi-deformable cover 41 increases the ease of disassembly and assembly of the sealing cover 4.

[0059] Optional, such as Figure 4 As shown, it also includes a groove 33, which is formed at the end of the card block 32 away from the plug body 31.

[0060] In the above optional embodiments, it should be noted that the shape of the groove 33 is cylindrical, frustum-shaped, rectangular, or trapezoidal, etc.; preferably, the shape of the groove 33 is cylindrical.

[0061] The advantages of the above optional embodiments are: the groove 33 allows for the insertion of an air needle, thereby increasing the convenience of air circuit connection; at the same time, the groove 33, in conjunction with the sealing cap 4, can achieve a tighter seal.

[0062] Optional, such as Figures 1 to 3 As shown, the bottom surface of the reactor cavity 11 is a plane.

[0063] In the above optional embodiments, it should be noted that the bottom surface of the reactor cavity 11 can be rectangular, and the shape of the reactor cavity 11 is cuboid.

[0064] The advantages of the above optional embodiments are: the bottom surface of the reactor chamber 11 is flat, which allows the reactants to be spread more evenly in the chamber, which is beneficial to in-situ Raman detection and the repeatability of the experiment.

[0065] Optional, such as Figure 5 As shown, each sealing cap 4 also includes a chamfer 44. There are multiple chamfers 44, which are spaced apart on the outer periphery of the corresponding cap body 41.

[0066] In the above optional embodiments, it should be noted that a chamfer 44 is provided between each pair of adjacent surfaces of the cover 41. The chamfer 44 can be a planar chamfer 44, and the angle between the chamfer 44 and the plane of the cover 42 can be 30 degrees, 45 degrees or 60 degrees. Preferably, the angle between the chamfer 44 and the plane of the cover 42 is 45 degrees, and the chamfer 44 is preferably an arc-shaped chamfer 44; the chamfer 44 can be an anti-slip chamfer 44.

[0067] The advantages of the above optional embodiments are as follows: the chamfer 44 makes it easier to tighten the sealing cap 4 to further enhance the airtightness of the reactor, while the chamfer 44 also prevents the sharp edges of the cap 41 from causing unnecessary injury to the staff.

[0068] Optional, such as Figure 4 As shown, the shape of the plug body 31 of each sealing plug 3 is a frustum.

[0069] In the above optional embodiments, it should be noted that the shape of the card block 32 is a frustum shape.

[0070] The advantages of the above optional embodiments are: by setting the shape of the plug 31 as a frustum, the convenience of connecting the sealing plug 3 and the corresponding connector 2 can be increased while ensuring the sealing effect.

[0071] The frustum shape of the plug 31 allows it to form a highly fitted contact surface with the inner wall of the connector 2 when inserted into the connector 2. Compared to a cylindrical plug, this reduces radial clearance and prevents leakage of media from gaps in gas-solid or liquid-solid systems. It is particularly suitable for adjusting the sealing pressure of the threaded portion 22 of the connector 2. When the thread is tightened, the frustum-shaped plug 31 deforms uniformly with the pressure, effectively improving the sealing performance. In addition, the frustum shape of the plug 31 provides guidance when it is inserted into the connector 2, which effectively increases the ease of assembly and disassembly of the plug 31 and the connector 2.

[0072] In summary, the reactor body 1 of this reactor is a one-piece molded transparent rectangular hollow structure made of transparent quartz material, possessing excellent optical transmittance and thermal stability. Two opposing connectors 2 are integrally molded at both ends of the upper surface of the reactor body 1. Both connectors 2 communicate with the interior of the reactor cavity 11, and both connectors 2 have external threads on their outer sides, allowing for a detachable and sealed connection with threaded fittings. A sealing plug 3 can be inserted into the connector 2 to achieve the initial seal of the reactor cavity 11. A sealing cap 4 can be installed on the outside of the connector 2 via a threaded connection to achieve a secondary seal of the reactor cavity 11, further preventing solid or liquid leakage. This reactor, through the combination of a quartz reaction cavity and a double-layer seal, achieves excellent sealing performance while ensuring high light transmittance of the reaction cavity, making it suitable for in-situ Raman spectroscopy detection of gas-solid or liquid-solid phase systems under photocatalytic reaction conditions.

[0073] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A reactor suitable for in-situ Raman monitoring of photocatalytic systems, characterized in that, include: The reactor body (1) has a top wall made of a transparent material; The reactor cavity (11) is located within the reactor body (1); The number of connectors (2) is at least two, and at least two connectors (2) are arranged at intervals on the upper side of the reactor body (1), and each connector (2) is in communication with the reactor cavity (11); The sealing plug (3) is at least two in number, and at least two of the sealing plugs (3) are inserted one-to-one into at least two of the connectors (2).

2. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 1, characterized in that, Each of the sealing plugs (3) includes: A plug (31) is inserted into the corresponding connector (2); The locking block (32) is connected to the plug body (31), and the locking block (32) abuts against the top of the corresponding connector (2).

3. The reactor for in-situ Raman monitoring of photocatalytic systems according to any one of claims 1 or 2, characterized in that, Also includes: A sealing cap (4), at least two of the sealing caps (4), and at least two of the sealing caps (4) are detachably mounted on at least two of the connectors (2).

4. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 3, characterized in that, Each of the connectors (2) includes: A connecting transition section (21) is provided, one end of which is connected to the reactor body (1); The threaded portion (22) is connected to the other end of the connecting transition portion (21).

5. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 4, characterized in that, The sealing cap (4) includes: A connecting part (42) is connected to the threaded part (22); The cover (41) has the connecting part (42) inside it.

6. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 5, characterized in that, The outer periphery of the cover body (41) of each of the sealing caps (4) is polygonal.

7. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 2, characterized in that, Also includes: A groove (33) is formed at one end of the card block (32) away from the plug body (31).

8. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 1, characterized in that, The bottom surface of the reactor cavity (11) is a plane.

9. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 6, characterized in that, Each of the sealing caps (4) also includes: The chamfers (44) are multiple, and the multiple chamfers (44) are spaced apart on the outer periphery of the corresponding cover (41).

10. The reactor for in-situ Raman monitoring of photocatalytic systems according to claim 2, characterized in that, The shape of the plug body (31) of each of the sealing plugs (3) is frustum-shaped.

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