Photocatalytic reaction equipment

Abstract

The utility model provides photocatalytic reaction equipment which comprises a photocatalytic equipment shell, a multi-item light source disc, a photocatalytic reaction assembly and a photochemical controller, the multi-item light source disc is installed in the photocatalytic equipment shell and located below the photocatalytic reaction assembly, and the photochemical controller is installed in the photocatalytic equipment shell and located below the photocatalytic reaction assembly. The photocatalytic reaction assembly is fixedly mounted above the photocatalytic equipment shell, the photochemical controller is fixedly mounted on one side of the exterior of the photocatalytic equipment shell, and the photochemical controller is connected with the multi-item light source disc and the photocatalytic reaction assembly; the core of the utility model is a group of efficient multi-item light source discs which are positioned below the photocatalytic reaction assembly, so that bottom illumination treatment is realized, the light energy utilization rate and the reaction efficiency are improved, the light source transmission time and the internal energy loss are reduced due to the compact design, the light source switching is simplified by adopting a single knob handle, and the operation difficulty is reduced; the worm and gear mechanism ensures accurate change of the light source, the ball knocks the vibrating diaphragm to generate prompt tone, misoperation is prevented, and accurate and reliable experiments are ensured.

Description

Technical Field

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

[0002] As the contradiction between the growing energy demand and the increasing energy shortage intensifies, the development and utilization of new energy sources is particularly important. Photocatalytic technology has attracted extensive attention from researchers due to its mild reaction conditions and the ability to directly convert solar energy into chemical energy. Photocatalytic reactors, as key equipment for realizing photocatalytic reactions, have been widely used in laboratories.

[0003] Photocatalytic technology is a technology with mild reaction conditions. It can directly convert solar energy into chemical energy without producing secondary pollutants. It has many advantages such as simple operation, high efficiency and energy saving. Photocatalytic technology can be used in the field of environmental purification, using light energy to degrade organic pollutants in the environment into carbon dioxide and water. It can also be used in the energy field, such as complete water splitting to produce hydrogen or oxygen, carbon dioxide reduction, nitrogen fixation and many other aspects.

[0004] At present, switching of light sources is a complex and critical operation. Traditional photocatalytic experimental equipment usually achieves light source switching by disassembling, replacing or changing the light source. However, these methods all have certain limitations. For example, a simple photocatalytic degradation reaction device recorded in the Chinese utility model patent document with announcement number CN218250185U, through the design of the overall structure, although the light source can be easily disassembled and replaced, but with the increase of replacement frequency, the connection strength of the disassembly structure will be challenged, thereby affecting the connection stability of the light source. In addition, manual replacement of the light source is also prone to external contamination of the light source, further affecting the accuracy of the experimental results.

[0005] On the other hand, for example, in a photocatalytic reaction device described in the Chinese utility model patent document with the announcement number CN 219663667 U, the bevel gear drives the hexagonal lamp post to rotate, thereby changing the wavelength of the light source irradiating the photocatalytic reaction dish, and introducing multiple groups to achieve a control experiment. Although it can solve some of the problems of the former, this method requires the installation of multiple groups of light source components and fan-shaped gear sets, which not only increases the cost but also increases the risk of equipment damage. In addition, because the lamp post is set on one side of the sample cup, the light irradiates the sample cup (photocatalytic reaction dish) in a side-ray manner, which increases the contact area between the light and the liquid inside the sample cup, thereby reducing the light intensity per unit area and affecting the lighting effect.

[0006] In addition, the overall structural design of the above two technical solutions is relatively not compact and occupies a large area, which not only increases the space pressure of the laboratory, but also may lead to a longer light source transmission time and greater internal energy loss.

[0007] Therefore, it is very necessary to invent a photocatalytic reaction device. Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides a photocatalytic reaction device, including a photocatalytic device housing, a plurality of light source disks, a photocatalytic reaction assembly and a photochemical controller, wherein the plurality of light source disks are installed inside the photocatalytic device housing, the plurality of light source disks are located below the photocatalytic reaction assembly, the photocatalytic reaction assembly is fixedly installed above the photocatalytic device housing, a photochemical controller is fixedly installed on one side of the outside of the photocatalytic device housing, and the photochemical controller is connected to the plurality of light source disks and the photocatalytic reaction assembly;

[0009] The photocatalytic device housing comprises a photocatalytic bottom shell, a knob handle, a control panel, a gear ring, a gear head, a light source disk vertical shaft and a positioning protrusion. A knob handle is provided on the outer side of the photocatalytic bottom shell, and the knob handle is fixedly connected to any end of the change worm of the multiple light source disks, the change worm is rotatably installed in the photocatalytic bottom shell, a control panel and a photochemical controller are installed on the outside of the photocatalytic bottom shell, a gear ring is fixedly installed inside the photocatalytic bottom shell, six gear heads are fixedly installed on the inner ring of the gear ring, and the six gear heads are located around the light source disk vertical shaft, the lower end of the light source disk vertical shaft is rotatably installed inside the photocatalytic bottom shell, multiple light source disks are fixedly installed on the light source disk vertical shaft, a positioning protrusion is fixedly installed on the upper end of the light source disk vertical shaft, the positioning protrusion is embedded in the positioning head of the photocatalytic reaction assembly, and the photocatalytic reaction assembly is fixedly installed above the photocatalytic bottom shell;

[0010] The multiple light source disks include a light source chassis, a groove, a ball head, a spring, a light source disk, a light source component and an adjusting worm gear. Six grooves are provided on the light source chassis, and the ball head is installed in the grooves through the spring. Six light source disks are fixedly installed on the light source chassis, and at least three light source components are installed on the light source disk. An adjusting worm gear is fixedly installed below the light source chassis, and the light source chassis and the adjusting worm gear are fixedly installed on the vertical shaft of the light source disk, and the adjusting worm gear is meshed and connected with the changing worm.

[0011] The photocatalytic reaction assembly includes a photocatalytic reaction box, a mounting plate, a reaction vessel storage chamber, a photocatalytic reaction tank, a light source shielding cover and a sealing cover plate. The outside of the photocatalytic reaction box is fixedly installed with a mounting plate, and the mounting plate is fixedly installed on the photocatalytic bottom shell. The photocatalytic reaction box is provided with a reaction vessel storage chamber and a photocatalytic reaction tank, and the two are located on one side of each other. The reaction vessel storage chamber and one side of the photocatalytic reaction tank are respectively hingedly installed with a light source shielding cover and a sealing cover plate; a positioning head is rotatably installed at the center below the photocatalytic reaction box, and the positioning head is arranged above the light source disk.

[0012] Preferably, the shift ring is an outer square and inner circle structure, a light source disk vertical shaft and a light source chassis are arranged at the center of the shift ring, and the six shift heads are arranged in a circular array on the inner surface of the shift ring.

[0013] Preferably, the gear head is a hollow conical table structure, a diaphragm is installed in the gear head, the diaphragm is arranged in a position that allows it to be struck by the ball head, six gear heads correspond to six ball heads, and six ball heads correspond to six light source disks.

[0014] Preferably, the positioning protrusion fixedly mounted on the upper end of the vertical shaft of the light source disk is a cross-shaped structure, and is installed together with the cross-shaped groove provided on the positioning head in a transitional fit.

[0015] Preferably, six fan-shaped positioning recessed grooves are opened on the light source chassis, and the six light source chassis are installed in the recessed grooves. The light source chassis is a fan-shaped structure, and six different light source components are installed on the six light source chassis, specifically ultraviolet lamps, LED lamps, incandescent lamps, xenon lamps, halogen lamps and fluorescent lamps. The positive terminal and the negative terminal are respectively installed in the light source plate and the recessed grooves, and the light source components of two of the light source chassis are located below the photocatalytic reaction tank.

[0016] Preferably, a fan-shaped recessed area is provided on the photocatalytic reaction box, a photocatalytic reaction groove is opened at the position of the fan-shaped recessed area, the photocatalytic reaction groove is transitionally matched with the photocatalytic reaction dish, at least six photocatalytic reaction grooves are provided, a light source shielding cover hingedly installed on one side of the photocatalytic reaction groove is a fan-shaped cover, a reaction dish storage chamber on one side of the light source shielding cover is a "C"-shaped structure, the sealing cover plate hingedly installed on one side thereof is also a "C"-shaped structure, and at least six photocatalytic reaction dishes are placed inside the reaction dish storage chamber.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model is a compact photocatalytic device structure, which only has one set of efficient multi-light source disks, which are cleverly located below the photocatalytic reaction assembly as the core light source component of the device. This layout method realizes the bottom illumination of the photocatalytic reaction dish. Compared with side illumination, bottom illumination can effectively reduce the scattering and reflection of light during transmission, ensuring that more light energy directly acts on the solution in the reaction dish, thereby greatly improving the utilization rate of light energy and reaction efficiency.

[0019] In addition, by compactly designing the spatial layout between multiple light source disks and the photocatalytic reaction assembly, not only the light source transfer time is greatly shortened, but also the internal energy loss is significantly reduced, further optimizing the performance of the equipment. The compact design not only makes the equipment occupy a smaller area, but also enhances its stability and reliability.

[0020] In order to simplify the operation process, this device innovatively adopts a single knob handle design for changing the light source. Experimenters do not need to operate multiple knob handles to switch different light sources, which greatly reduces the difficulty and complexity of operation and optimizes the user experience of the device. This design not only improves experimental efficiency, but also retains the functionality of the control experiment.

[0021] It is worth mentioning that the light source change operation is driven by an advanced worm gear mechanism, which not only has excellent self-locking properties, but also ensures the accuracy of the light source change. Whenever the light source is changed, the ball inside the device will hit the diaphragm to produce a clear sound, which serves as a reminder sound that the light source change is completed. This design cleverly prevents mistakes or errors in the light source change process and ensures the accuracy and reliability of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the photocatalytic reaction dish of the utility model after being placed.

[0024] Figure 3 This utility model Figure 1 A schematic diagram of the structure from another perspective.

[0025] Figure 4 It is a structural schematic diagram of the housing of the photocatalytic device of the utility model.

[0026] Figure 5 It is a partial cross-sectional structural schematic diagram of the multi-light source disk of the utility model.

[0027] Figure 6 It is a structural schematic diagram of the photocatalytic reaction assembly of the utility model.

[0028] In the figure:

[0029] Photocatalytic device casing 1, photocatalytic base casing 11, knob handle 12, control panel 13, gear ring 14, gear head 15, light source disk vertical shaft 16, positioning protrusion 17, multiple light source disks 2, light source base 21, groove 22, ball head 23, spring 24, light source disk 25, light source component 26, adjusting worm gear 27, changing worm 28, photocatalytic reaction assembly 3, photocatalytic reaction box 31, mounting plate 32, reaction dish storage chamber 33, photocatalytic reaction tank 34, light source shielding cover 35, sealing cover plate 36, positioning head 37, photochemical controller 4. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0031] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0032] As attached Figure 1 To Attachment Figure 6 As shown:

[0033] The utility model provides a photocatalytic reaction device, including a photocatalytic device casing 1, a plurality of light source disks 2, a photocatalytic reaction assembly 3 and a photochemical controller 4. The photocatalytic device casing 1 is internally installed with the plurality of light source disks 2, the plurality of light source disks 2 are located below the photocatalytic reaction assembly 3, the photocatalytic reaction assembly 3 is fixedly installed above the photocatalytic device casing 1, a photochemical controller 4 is fixedly installed on an external side of the photocatalytic device casing 1, the photochemical controller 4 is connected to the plurality of light source disks 2 and the photocatalytic reaction assembly 3, the casing is internally installed with the plurality of light source disks 2, the plurality of light source disks 2 are located below the photocatalytic reaction assembly 3, this layout can realize bottom illumination processing, and bottom illumination can ensure that the light source can directly and effectively irradiate the photocatalytic reaction dish solution of the reaction assembly, thereby improving the intensity of illumination.

[0034] The photocatalytic device housing 1 includes a photocatalytic bottom shell 11, a knob handle 12, a control panel 13, a gear ring 14, a gear head 15, a light source disk vertical shaft 16 and a positioning protrusion 17. The outer side of the photocatalytic bottom shell 11 is provided with a knob handle 12, and the knob handle 12 is fixedly connected to any end of the change worm 28 of the multiple light source disks 2, and the change worm 28 is rotatably installed in the photocatalytic bottom shell 11. The outside of the photocatalytic bottom shell 11 is provided with a control panel 13 and a photochemical controller 4. The inside of the photocatalytic bottom shell 11 is fixedly installed with a gear ring 14, and the inner ring of the gear ring 14 is fixedly installed with six gear heads 15, and the six gear heads 15 are located at the light source. Around the disk vertical shaft 16, the lower end of the light source disk vertical shaft 16 is rotatably installed inside the photocatalytic bottom shell 11, and multiple light source disks 2 are fixedly installed on the light source disk vertical shaft 16. The upper end of the light source disk vertical shaft 16 is fixedly installed with a positioning protrusion 17, and the positioning protrusion 17 is embedded in the positioning head 37 of the photocatalytic reaction assembly 3. The photocatalytic reaction assembly 3 is fixedly installed above the photocatalytic bottom shell 11. The inner wall of the photocatalytic bottom shell 11 is provided with a reflective lining. The photocatalytic bottom shell 11 is fixedly installed with the mounting plate 32 by four bolts. The four bolts are arranged at the four corners of the photocatalytic bottom shell 11 and the mounting plate 32, and a light-blocking strip is provided between the photocatalytic bottom shell 11 and the mounting plate 32.

[0035] The multiple light source disks 2 include a light source chassis 21, a groove 22, a ball head 23, a spring 24, a light source disk 25, a light source component 26 and an adjusting worm gear 27. Six grooves 22 are provided on the light source chassis 21, and the ball head 23 is installed in the groove 22 through the spring 24; six light source disks 25 are fixedly installed on the light source chassis 21, and at least three light source components 26 are installed on the light source disk 25; an adjusting worm gear 27 is fixedly installed below the light source chassis 21, the light source chassis 21 and the adjusting worm gear 27 are fixedly installed on the light source disk vertical shaft 16, and the adjusting worm gear 27 is meshed and connected with the changing worm 28. The groove 22, the ball head 23, the spring 24 and the gear head 15 are a gear change prompt component, which is used to cleverly prevent mistakes or errors in the light source change process and ensure the accuracy and reliability of the experiment.

[0036] The photocatalytic reaction assembly 3 includes a photocatalytic reaction box 31, a mounting plate 32, a reaction vessel storage chamber 33, a photocatalytic reaction tank 34, a light source shielding cover 35 and a sealing cover plate 36. The mounting plate 32 is fixedly installed on the outside of the photocatalytic reaction box 31, and the mounting plate 32 is fixedly installed on the photocatalytic bottom shell 11. The photocatalytic reaction box 31 is provided with a reaction vessel storage chamber 33 and a photocatalytic reaction tank 34, and the two are located on one side of each other. The reaction vessel storage chamber 33 and the photocatalytic reaction tank 34 are hingedly installed on one side respectively. A positioning head 37 is rotatably installed at the center below the photocatalytic reaction box 31, and the positioning head 37 is arranged above the light source disk 25. The reaction vessel storage chamber 33 and the photocatalytic reaction tank 34 can be conveniently placed and taken out of the reaction vessel. The design of the light source shielding cover 35 and the sealing cover plate 36 effectively prevents light leakage and external interference.

[0037] Embodiment 1:

[0038] Specifically, the shift ring 14 is a square outer and circular inner structure, a light source disk vertical shaft 16 and a light source chassis 21 are arranged at the center of the shift ring 14 , and six shift heads 15 are arranged in a circular array on the inner surface of the shift ring 14 .

[0039] Specifically, the gear head 15 is a hollow conical table structure, and a diaphragm is installed in the gear head 15. The position of the diaphragm allows it to be hit by the ball head 23. The six gear heads 15 correspond to the six ball heads 23, and the six ball heads 23 correspond to the six light source disks 25. The diaphragm is installed in the trumpet-shaped groove of the gear head 15. The ball head 23 is subjected to pressure to compress the spring 24. When it enters and moves to the trumpet-shaped groove of the gear head 15, the elastic force stored in the spring 24 is released, and the ball head 23 hits the diaphragm, thereby realizing the generation of the change sound.

[0040] Specifically, the positioning protrusion 17 fixedly installed on the upper end of the vertical shaft 16 of the light source disk is a cross-shaped structure, and is installed together with the cross-shaped groove provided by the positioning head 37 in a transitional manner. The positioning protrusion 17 and the positioning head 37 are designed to stabilize the rotational movement of multiple light source disks 2 and realize the positioning of the photocatalytic reaction assembly 3.

[0041] Specifically, six fan-shaped positioning recessed grooves are opened on the light source chassis 21, and the six light source chassis 21 are installed in the recessed grooves. The light source chassis 21 is a fan-shaped structure, and six different light source components 26 are installed on the six light source chassis 21, specifically ultraviolet lamps, LED lamps, incandescent lamps, xenon lamps, halogen lamps and fluorescent lamps. The light source plate 25 and the recessed grooves are respectively installed with positive terminals and negative terminals. The light source components 26 of two of the light source chassis 21 are located below the photocatalytic reaction tank 34, and only the two light source components 26 below the photocatalytic reaction tank 34 will light up. At the same time, in order to ensure that the light source components 26 do not interfere with each other, a light blocking plate can be fixedly installed between the light source components 26, which is used to block the irradiation of each other's light. The light blocking plate is in contact with the bottom surface of the photocatalytic reaction box 31, and two groups of light source components 26 of different types can be realized.

[0042] Specifically, a fan-shaped recessed area is provided on the photocatalytic reaction box 31, and a photocatalytic reaction groove 34 is opened at the position of the fan-shaped recessed area. The photocatalytic reaction grooves 34 are grouped into three, and the photocatalytic reaction grooves 34 are transitionally matched with the photocatalytic reaction dishes. At least six photocatalytic reaction grooves 34 are provided. The light source shielding cover 35 hingedly installed on one side of the photocatalytic reaction groove 34 is a fan-shaped cover, and the reaction dish storage chamber 33 on one side of the light source shielding cover 35 is a "C"-shaped structure, and the sealing cover plate 36 hingedly installed on one side thereof is also a "C"-shaped structure, and at least six photocatalytic reaction dishes are placed inside the reaction dish storage chamber 33.

[0043] Embodiment 2:

[0044] Specifically, the photocatalytic reaction tank 34 and the photocatalytic reaction dish are not transitionally matched. The bottom of the inner lower part of the photocatalytic reaction tank 34 is threadedly installed, or a carrier transparent support plate is fixedly installed, which is used to limit the bottom of the photocatalytic reaction dish. In addition, the photocatalytic reaction tank 34 can be opened vertically or horizontally. The vertical opening can realize bottom illumination treatment, and the horizontal opening can realize side illumination treatment.

[0045] Embodiment three:

[0046] First, open the sealing cover 36 of the photocatalytic reaction assembly 3, take out the reaction vessel inside the reaction vessel storage chamber 33, and inject appropriate solution and photocatalytic reactant, then open the source shielding cover 35, and place the reaction vessel in the photocatalytic reaction tank 34, close the light source shielding cover 35 and the sealing cover 36, and drive the changing worm 28 of the multiple light source disks 2 by rotating the knob handle 12 of the photocatalytic device housing 1, the changing worm 28 drives the adjusting worm gear 27, and the adjusting worm gear 27 drives the light source chassis 21. When the light source chassis 21 rotates to the specified position, the ball head 23 pops out by the elastic force of the spring 24, and knocks on the gear head 15 (diaphragm) of the photocatalytic device housing 1 to produce a sound, prompting the experimenter to change the light source. After the light source is changed, the light source components 26 of the two light source disks 25 are turned on through the control panel 13, and the light generated by the light source component 26 irradiates the photocatalytic reaction dish above. After the light source is stably irradiated, the photocatalytic reaction begins. During the reaction process, the solution in the photocatalytic reaction dish will be irradiated by the light emitted by the light source, thereby initiating a photocatalytic reaction. After the photocatalysis is completed, the light source shielding cover 35 is opened, and the two groups of reaction dishes are taken out for subsequent analysis and processing. After each use, the equipment needs to be cleaned and maintained to ensure the normal operation of the equipment and extend its service life.

[0047] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A photocatalytic reaction device, characterized in that: The photocatalytic device comprises a housing (1), a plurality of light source disks (2), a photocatalytic reaction assembly (3) and a photochemical controller (4); the housing (1) of the photocatalytic device has the plurality of light source disks (2) installed inside, the plurality of light source disks (2) being located below the photocatalytic reaction assembly (3); the photocatalytic reaction assembly (3) being fixedly installed above the housing (1) of the photocatalytic device; and the photochemical controller (4) being fixedly installed on one side of the exterior of the housing (1) of the photocatalytic device; The photocatalytic device housing (1) comprises a photocatalytic bottom shell (11), a knob handle (12), a control panel (13), a gear ring (14), a gear head (15), a light source disk vertical shaft (16) and a positioning protrusion (17); the photocatalytic bottom shell (11) is provided with a knob handle (12) on the outside, and the knob handle (12) is fixedly connected to any end of a change worm (28) of the multi-light source disk (2); the change worm (28) is rotatably mounted in the photocatalytic bottom shell (11); the control panel (13) and the photochemical controller (4) are installed on the outside of the photocatalytic bottom shell (11); the photocatalytic bottom shell (11) A gear ring (14) is fixedly installed inside, and six gear heads (15) are fixedly installed on the inner ring of the gear ring (14). The six gear heads (15) are located around the light source disk vertical shaft (16). The lower end of the light source disk vertical shaft (16) is rotatably installed inside the photocatalytic bottom shell (11). Multiple light source disks (2) are fixedly installed on the light source disk vertical shaft (16). A positioning protrusion (17) is fixedly installed on the upper end of the light source disk vertical shaft (16). The positioning protrusion (17) is embedded in the positioning head (37) of the photocatalytic reaction assembly (3). The photocatalytic reaction assembly (3) is fixedly installed above the photocatalytic bottom shell (11); The multiple light source disk (2) comprises a light source chassis (21), a groove (22), a ball head (23), a spring (24), a light source disk (25), a light source component (26) and an adjusting worm gear (27); six grooves (22) are provided on the light source chassis (21); the ball head (23) is installed in the groove (22) via the spring (24); six light source disks (25) are fixedly installed on the light source chassis (21); at least three light source components (26) are installed on the light source disk (25); an adjusting worm gear (27) is fixedly installed below the light source chassis (21); the light source chassis (21) and the adjusting worm gear (27) are fixedly installed on the light source disk vertical shaft (16); the adjusting worm gear (27) is meshed and connected with the changing worm (28); The photocatalytic reaction assembly (3) comprises a photocatalytic reaction box (31), a mounting plate (32), a reaction vessel storage chamber (33), a photocatalytic reaction tank (34), a light source shielding cover (35) and a sealing cover plate (36); the mounting plate (32) is fixedly mounted on the outside of the photocatalytic reaction box (31); the mounting plate (32) is fixedly mounted on the photocatalytic bottom shell (11); the photocatalytic reaction box (31) is provided with a reaction vessel storage chamber (33) and a photocatalytic reaction tank (34), and the two are located on one side of each other; the light source shielding cover (35) and the sealing cover plate (36) are respectively hingedly mounted on one side of the reaction vessel storage chamber (33) and the photocatalytic reaction tank (34); a positioning head (37) is rotatably mounted at the center below the photocatalytic reaction box (31); the positioning head (37) is arranged above the light source disk (25).

2. A photocatalytic reaction device as claimed in claim 1, characterized in that: The shift ring (14) is of an outer square and inner circle structure, a light source disk vertical shaft (16) and a light source chassis (21) are arranged at the center of the shift ring (14), and six shift heads (15) are arranged in a circular array on the inner surface of the shift ring (14).

3. A photocatalytic reaction device as claimed in claim 1, characterized in that: The gear head (15) is a hollow conical structure. A diaphragm is installed in the gear head (15). The diaphragm is arranged in a position that allows it to be struck by the ball head (23). Six gear heads (15) correspond to six ball heads (23), and six ball heads (23) correspond to six light source disks (25).

4. A photocatalytic reaction device as claimed in claim 1, characterized in that: The positioning protrusion (17) fixedly mounted on the upper end of the vertical shaft (16) of the light source disk is a cross-shaped structure and is installed together with the cross-shaped groove formed in the positioning head (37) in a transitional manner.

5. A photocatalytic reaction device as claimed in claim 1, characterized in that: The light source chassis (21) is provided with six fan-shaped positioning recessed grooves, and the six light source chassis (21) are installed in the recessed grooves. The light source chassis (21) is a fan-shaped structure, and six different light source components (26) are installed on the six light source chassis (21), specifically, ultraviolet lamps, LED lamps, incandescent lamps, xenon lamps, halogen lamps and fluorescent lamps. The light source plate (25) and the recessed grooves are respectively provided with positive terminals and negative terminals, wherein the light source components (26) of two light source chassis (21) are located below the photocatalytic reaction tank (34).

6. A photocatalytic reaction device as claimed in claim 1, characterized in that: The photocatalytic reaction box (31) is provided with a fan-shaped recessed area, and a photocatalytic reaction groove (34) is provided at the position of the fan-shaped recessed area. At least six photocatalytic reaction grooves (34) are provided. The light source shielding cover (35) hingedly mounted on one side of the photocatalytic reaction groove (34) is a fan-shaped cover. The reaction vessel storage chamber (33) on one side of the light source shielding cover (35) is a "C"-shaped structure, and the sealing cover plate (36) hingedly mounted on one side is also a "C"-shaped structure.

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