Photocatalytic reaction device and air purification equipment

Abstract

The utility model relates to the technical field of air purification, and discloses a photocatalytic reaction device and air purification equipment. The photocatalytic reaction device comprises a reaction box body which comprises a reaction cavity, and the reaction cavity is used for carrying out photocatalytic reaction on a photocatalyst; the mounting frame is arranged in the reaction box body and is positioned in the reaction cavity; the clamping part is arranged on the mounting frame and is used for clamping the photocatalyst from the side surface of the photocatalyst; wherein the side surface of the photocatalyst refers to the surface of the photocatalyst in the horizontal direction of the reaction cavity. According to the photocatalytic reaction device provided by the invention, the clamping part is used for clamping the photocatalyst from the side surface of the photocatalyst, so that the upper surface and the lower surface of the photocatalyst are exposed, and therefore, in the reaction process, the circulation of waste gas in the photocatalyst is improved, and the contact area between the photocatalyst and the waste gas is increased; therefore, the reaction efficiency of the photocatalytic reaction is improved, and the accuracy of the catalytic efficiency of the obtained photocatalyst is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air purification technology, for example to a photocatalytic reaction device and an air purification equipment. BACKGROUND

[0002] With the rapid growth of population, the degree of closure of urban buildings is also increasing, and the amount of natural ventilation is becoming smaller and smaller. A large amount of harmful gases will inevitably be produced in the closed space, which not only has irritability, but also produces odor for a long time, and has an impact on human health. In this context, the control and management of environmental pollution has become one of the major problems facing human society and needs to be solved urgently.

[0003] Among many environmental pollution control technologies, the traditional method for removing indoor harmful gases is adsorption by activated carbon. However, the obvious shortcomings are adsorption saturation and difficulty in regeneration and utilization. The heterogeneous photocatalytic reaction using semiconductor oxides as active catalysts has the unique performance of room temperature reaction, direct use of sunlight as light source to activate the catalyst and drive the oxidation-reduction reaction, and becomes an ideal environmental pollution control technology.

[0004] The semiconductor photocatalyst TiO2, which is widely studied at present, has become the most potential photocatalyst due to its photochemical stability, simple manufacturing, green and pollution-free, high catalytic activity and direct use of solar energy. The through-hole aluminum foam is a material with both metal and bubble characteristics formed by adding additives to pure aluminum or aluminum alloy and then foaming. It not only has the advantages of light weight, small density, high heat resistance, high fire resistance, high electromagnetic shielding property and easy processing, but also has good acoustic insulation and sound absorption performance and large specific surface area, and is used as a carrier for photocatalysts.

[0005] In the related art, a light catalytic reactor is provided with a carrier platform, and the photocatalyst is placed on the platform. In this way, the lower part of the photocatalyst is attached to the platform, so that the waste gas can only be subjected to photocatalytic reaction on the surface of the photocatalyst, and cannot flow through the inside of the photocatalyst, thereby affecting the accuracy of the catalytic efficiency of the obtained photocatalyst. SUMMARY

[0006] In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not a general review, nor is it intended to determine key / important components or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0007] The photocatalytic reaction device and the air purification equipment provided by the embodiments of the present disclosure improve the catalytic efficiency of the photocatalyst, and further improve the accuracy of the catalytic efficiency of the obtained photocatalyst.

[0008] In some embodiments, a photocatalytic reaction device is provided, comprising: a reaction box comprising a reaction cavity for photocatalytic reaction of a photocatalyst; a mounting frame arranged in the reaction cavity of the reaction box; a clamping portion arranged on the mounting frame, the clamping portion being used for clamping the photocatalyst from a side surface of the photocatalyst; wherein the side surface of the photocatalyst refers to a surface of the photocatalyst in a horizontal direction of the reaction cavity.

[0009] Optionally, the clamping portion comprises: a connecting piece connected with the mounting frame, the connecting piece being used for adjusting the relative position of the clamping jaw and the mounting frame; and a clamping jaw arranged on the connecting piece and used for clamping the photocatalyst.

[0010] Optionally, the connecting piece comprises a spring, one end of the spring being connected with the mounting frame, and the other end of the spring being connected with the clamping jaw.

[0011] Optionally, the connecting piece comprises an adjusting rod body, the adjusting rod body being movably connected with the mounting frame, and the adjusting rod body being capable of moving relative to the mounting frame to adjust the relative position of the clamping jaw and the mounting frame.

[0012] Optionally, the clamping portion comprises: a first clamping portion arranged on the mounting frame; and a second clamping portion arranged on the mounting frame and arranged opposite to the first clamping portion; wherein, in the case of clamping the photocatalyst, the first clamping portion and the second clamping portion are located on opposite sides of the photocatalyst.

[0013] Optionally, the mounting frame comprises: a frame body arranged in the reaction cavity of the reaction box; and a support seat movably connected with the frame body, the support seat being capable of reciprocating relative to the frame body in a height direction of the frame body, and the clamping portion being arranged on the support seat.

[0014] Optionally, the photocatalytic reaction device further comprises: a light source arranged in the reaction cavity; wherein the light source is movably connected with the reaction box, and the light source is capable of moving relative to the reaction box to adjust the relative position of the light source and the photocatalyst.

[0015] Optionally, the photocatalytic reaction device further comprises: a fan arranged in the reaction cavity of the reaction box; wherein the number of the fan is one or more.

[0016] Optionally, the reaction box comprises: a box body and a cover body enclosing the reaction cavity with the box body; wherein the box body and / or the cover body is provided with a perspective window.

[0017] Optionally, the photocatalytic reaction device further comprises: an air inlet pipe arranged on the reaction box and in communication with the reaction cavity, the air inlet pipe being used for conveying gas into the reaction cavity; an air outlet pipe arranged on the reaction box and in communication with the reaction cavity, the air outlet pipe being used for discharging gas in the reaction cavity; and a gas analysis assembly, an air inlet end and an air outlet end of the gas analysis assembly being in communication with the reaction cavity, respectively, and the gas analysis assembly being used for analyzing the gas in the reaction cavity.

[0018] In some embodiments, an air purification device is provided, comprising the photocatalytic reaction device according to any one of the above embodiments.

[0019] The photocatalytic reaction device and the air purification device provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The photocatalytic reaction device provided by the present disclosure comprises a reaction box body, a mounting frame and a clamping part. The mounting frame is arranged in the reaction cavity of the reaction box body. The clamping part is mounted on the mounting frame. The clamping part is used to clamp the photocatalyst. And, along the horizontal direction of the reaction cavity, the clamping part clamps the photocatalyst from the side surface of the photocatalyst.

[0021] By adopting the photocatalytic reaction device provided by the present disclosure, the clamping part can clamp and fix the photocatalyst from the side surface, so that the upper surface and the lower surface of the photocatalyst are exposed to the air. Because the density of the waste gas in the reaction cavity is greater than that of the air, the waste gas flows along the height direction of the reaction cavity. By clamping the photocatalyst from the side surface by the clamping part, the upper surface and the lower surface of the photocatalyst are exposed, so that the flowability of the waste gas on the photocatalyst is improved during the reaction process, the contact area of the photocatalyst and the waste gas is improved, and the reaction efficiency of the photocatalytic reaction is improved, and the accuracy of the catalytic efficiency of the obtained photocatalyst is improved.

[0022] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] One or more embodiments are exemplified by corresponding drawings, which are exemplary and explanatory, and do not constitute a limitation on the embodiments, elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute a proportional limitation, and wherein:

[0024] Figure 1 is a structural schematic diagram of the photocatalytic reaction device provided by the embodiments of the present disclosure;

[0025] Figure 2 is a structural schematic diagram of the photocatalytic reaction device provided by the embodiments of the present disclosure; Figure 1 is a top view of the photocatalytic reaction device provided by the embodiments shown in the figure;

[0026] Figure 3 is a structural schematic diagram of the photocatalytic reaction device provided by the embodiments of the present disclosure; Figure 2 is a sectional view of the photocatalytic reaction device provided by the embodiments shown in the figure;

[0027] Figure 4 is a structural schematic diagram of the photocatalytic reaction device provided by the embodiments of the present disclosure; Figure 1 is a structural schematic diagram of the photocatalytic reaction device provided by the embodiments of the present disclosure;

[0028] Figure 5is Figure 1 A structure diagram of a clamping part of the photocatalytic reaction device is shown in the embodiment.

[0029] Reference signs:

[0030] 1 photocatalytic reaction device; 2 photocatalyst;

[0031] 110 reaction box body; 111 reaction cavity; 112 box main body; 113 cover body; 114 perspective window;

[0032] 120 mounting rack; 121 rack body; 122 support seat; 123 nut;

[0033] 130 clamping part; 131 clamping jaw; 132 spring; 133 first clamping part; 134 second clamping part;

[0034] 140 light source; 141 mounting seat;

[0035] 150 fan;

[0036] 160 air inlet pipe; 161 air outlet pipe; 162 gas analysis assembly; 163 first pipe body; 164 second pipe body; 165 gas analyzer. DETAILED DESCRIPTION

[0037] In order to enable a person skilled in the art to better understand the features and technical contents of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0038] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0039] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0040] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0041] Unless otherwise specified, the term "a plurality of" means two or more.

[0042] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means: A or B.

[0043] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0044] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0045] In the related art, the photocatalytic reactor is provided with a carrier platform in the box body for carrying the photocatalyst. Moreover, most of the carrier platforms adopt stainless steel plates. Since the photocatalyst is placed on the carrier platform, the lower surface of the photocatalyst is in contact with the platform. For the process of waste gas degradation, since the waste gas will sink due to its high density, and the lower surface of the photocatalyst is in contact with the platform, the contact between the waste gas and the photocatalyst is limited to the surface, thereby affecting the efficiency of the photocatalytic reaction. In particular, for the photocatalyst using foamed aluminum as the photocatalyst carrier, the foamed aluminum is a porous material, and the use of the photocatalytic reactor in the related art causes the pores of the foamed aluminum to be blocked by the platform, thereby greatly affecting the flow of waste gas in the pores of the foamed aluminum, so that the catalytic efficiency obtained by testing is not accurate.

[0046] Based on this, in combination with Figures 1 to 5 As shown in the drawings, the present disclosure provides a kind of photocatalytic reaction device 1, photocatalyst 2 can be clamped from the side of photocatalyst 2, improve the catalytic efficiency of photocatalyst 2, and improve the accuracy of the catalytic efficiency of the obtained photocatalyst 2.

[0047] In some embodiments, in combination with Figures 1 to 5 As shown in the drawings, a kind of photocatalytic reaction device 1 is provided, comprising: reaction box 110, it includes reaction cavity 111, reaction cavity 111 is used to carry out photocatalytic reaction to photocatalyst 2;Mounting bracket 120, it is arranged in the reaction cavity 111 of reaction box 110;Clamping part 130, it is arranged on mounting bracket 120, clamping part 130 is used to clamp photocatalyst 2 from the side of photocatalyst 2;Wherein, the side of photocatalyst 2 refers to the surface of photocatalyst 2 along the horizontal direction of reaction cavity 111.

[0048] The photocatalytic reaction device 1 provided by the present disclosure includes: reaction box 110, mounting bracket 120 and clamping part 130. Mounting bracket 120 is arranged in the reaction cavity 111 of reaction box 110. Clamping part 130 is mounted on mounting bracket 120. Clamping part 130 is used to clamp photocatalyst 2. And, along the horizontal direction of reaction cavity 111, clamping part 130 clamps photocatalyst 2 from the side of photocatalyst 2.

[0049] Adopt the photocatalytic reaction device 1 provided by the present disclosure, by being able to realize the clamping fixation of photocatalyst 2 from the side, so that the upper surface and the lower surface of photocatalyst 2 are exposed to air. Because the density of waste gas in reaction cavity 111 is greater than that of air, therefore, waste gas flows along the height direction of reaction cavity 111. Compared with the reactor in the related art, the photocatalytic reaction device 1 of the present disclosure clamps photocatalyst 2 from the side of photocatalyst 2 by using clamping part 130, so that the upper surface and the lower surface of photocatalyst 2 are exposed, so that the flowability of waste gas in photocatalyst 2 is improved during the reaction process, the contact area of photocatalyst 2 and waste gas is improved, and the reaction efficiency of photocatalytic reaction is improved, and the accuracy of the catalytic efficiency of the obtained photocatalyst 2 is improved.

[0050] Optionally, in combination with Figure 4 And Figure 5 As shown in the drawings, clamping part 130 includes: clamping jaw 131 and connecting piece. Clamping jaw 131 is used to clamp photocatalyst 2. Connecting piece is connected with mounting bracket 120, clamping jaw 131 is arranged on connecting piece, and connecting piece is used to adjust the relative position of clamping jaw 131 and mounting bracket 120.

[0051] In this embodiment, the clamping jaw 131 is used to clamp and fix the sample from the side of the photocatalyst 2. The connecting piece is used to adjust the position of the clamping jaw 131 to achieve clamping and fixing of the photocatalyst 2, and to improve the stability of clamping.

[0052] Optionally, the structure of the clamping jaw 131 adopts a strip-shaped plate to clamp from the opposite sides of the photocatalyst 2, in combination with Figure 5 as shown. The size of the strip-shaped plate can be set according to specific conditions to ensure the stability of clamping the photocatalyst 2, and to maximize the reduction of the contact area with the photocatalyst 2, increase the contact area of the photocatalyst 2 with the gas, and thus improve the catalytic efficiency. Optionally, in combination with Figure 5 as shown, the connecting piece includes a spring 132, one end of the spring 132 is connected with the mounting frame 120, and the other end of the spring 132 is connected with the clamping jaw 131.

[0053] In this embodiment, the connecting piece adopts the spring 132, one end of the spring 132 is connected with the mounting frame 120, and the other end of the spring 132 is connected with the clamping jaw 131. By setting the spring 132, when clamping the photocatalyst 2, the spring 132 is compressed to provide a spring force to the clamping jaw 131 to achieve clamping and fixing of the photocatalyst 2.

[0054] Optionally, the number of the spring 132 is multiple, and the multiple springs 132 are evenly distributed between the mounting frame 120 and the clamping jaw 131. By setting multiple springs 132, multiple springs 132 can provide multiple spring forces, and are evenly distributed along the clamping jaw 131, which can improve the stability of the clamping jaw 131 clamping the photocatalyst 2.

[0055] Optionally, the connecting piece includes an adjusting rod body, the adjusting rod body is movably connected with the mounting frame 120, and the adjusting rod body can move relative to the mounting frame 120 to adjust the relative position of the clamping jaw 131 and the mounting frame 120.

[0056] In this embodiment, the connecting piece adopts the adjusting rod body, which can move relative to the mounting frame 120, thereby achieving adjustment of the installation position of the clamping jaw 131 to improve the clamping stability of the clamping jaw 131. Moreover, by setting the adjusting rod body, the position of the clamping jaw 131 can be adjusted along the horizontal direction of the reaction cavity 111, thereby the position of the clamping jaw 131 can be adjusted according to the width of the photocatalyst 2 to meet the space requirement of the photocatalyst 2.

[0057] Specifically, one of the adjusting rod body and the mounting frame 120 is provided with a sliding groove, and the other of the adjusting rod body and the mounting frame 120 is provided with a stand column, the stand column is arranged in the sliding groove and can reciprocate along the sliding groove to achieve adjustment of the position of the clamping jaw 131. The adjusting rod body or the mounting frame 120 is provided with a limiting portion to fix and limit the position of the adjusting rod body after adjustment.

[0058] Optionally, the end of the column is provided with threads, and the limiting part is provided with a nut that is connected to the threads to fix the adjusted position.

[0059] Optionally, combined Figure 4 As shown, the clamping part 130 includes a first clamping part 133 and a second clamping part 134. The first clamping part 133 is disposed on the mounting frame 120. The second clamping part 134 is disposed on the mounting frame 120 and is disposed opposite to the first clamping part 133. When clamping the photocatalyst 2, the first clamping part 133 and the second clamping part 134 are located on opposite sides of the photocatalyst 2.

[0060] In this embodiment, by setting a first clamping part 133 and a second clamping part 134, the photocatalyst 2 is clamped from both sides of the photocatalyst 2, thereby improving the stability of the clamping of the photocatalyst 2.

[0061] Optionally, the first clamping part 133 and the second clamping part 134 have the same structure and are combined. Figure 4 and Figure 5 As shown, this is for the convenience of production, processing, and installation.

[0062] Optionally, the structures of the first clamping part 133 and the second clamping part 134 are different, and different structures can be set according to specific usage needs. For example, along the horizontal direction of the reaction chamber 111, the relative position of the first clamping part 133 and the mounting frame 120 is set to be adjustable, while the relative position of the second clamping part 134 and the mounting frame 120 is set to be fixed. When fixing the photocatalyst 2, after one side of the photocatalyst 2 is attached to the second clamping part 134, the photocatalyst 2 is fixed by adjusting the first clamping part 133, thereby simplifying the installation steps of the photocatalyst 2.

[0063] Optionally, combined Figure 5 As shown, the mounting frame 120 includes a frame body 121 and a support base 122. The frame body 121 is disposed within the reaction chamber 111 of the reaction chamber 110. The support base 122 is movably connected to the frame body 121 and can reciprocate relative to the frame body 121 along the height direction of the frame body 121. A clamping part 130 is disposed on the support base 122.

[0064] In this embodiment, the frame 121 is disposed within the reaction chamber 111, and the support base 122 is disposed on the frame 121. The support base 122 is movable along the height direction of the frame 121, thereby adjusting the height of the clamping part 130. In this way, the height of the support base 122 can be adjusted according to the reaction requirements of the photocatalyst 2.

[0065] Optionally, combined Figure 5As shown, the mounting bracket 120 includes four threaded rods distributed at the four apex corners of a rectangle. The support base 122 includes two plates, each with two through holes. One plate is fitted with two threaded rods on one side through the two through holes, and the other plate is fitted with two threaded rods on the other side through the two through holes. Each threaded rod is provided with two nuts 123, located on both sides of the plate, which limit the position of the plate.

[0066] Optionally, combined Figure 2 , Figure 3 and Figure 4 As shown, the photocatalytic reaction device 1 also includes a light source 140. The light source 140 is disposed inside the reaction chamber 111; wherein, the light source 140 is movably connected to the inner wall of the reaction chamber 110, and the light source 140 can move relative to the reaction chamber 110 to adjust the relative position of the light source 140 and the photocatalyst 2.

[0067] In this embodiment, a light source 140 is provided inside the reaction chamber 111. By providing the light source 140, a photocatalytic reaction is achieved. The light source 140 is movable relative to the reaction chamber 110, thereby enabling the adjustment of the position of the light source 140 and the relative position with the photocatalyst 2, improving the adaptability of the reaction device and the catalytic efficiency.

[0068] Optionally, the light source 140 and the reaction chamber 110 are detachable structures, which facilitates the replacement and installation of the light source 140.

[0069] Optionally, the light source 140 includes, but is not limited to, ultraviolet lamps, mercury lamps, or xenon lamps.

[0070] Optionally, the photocatalytic reaction device 1 further includes a mounting base 141. The mounting base 141 is disposed in the reaction chamber 110 and located inside the reaction chamber 111. The light source 140 is mounted on the mounting base 141 via a rotating shaft, and the light source 140 can rotate relative to the mounting base 141 about the rotating shaft to adjust the position of the light source 140 on the horizontal plane.

[0071] Optionally, the mounting base 141 is movably connected to the reaction chamber 110. The mounting base 141 can move relative to the reaction chamber 110 along the height direction of the reaction chamber 111 to adjust the height of the mounting base 141, thereby adjusting the setting height of the light source 140.

[0072] Optionally, the inner wall of the reaction chamber 110 is provided with a slide rail, and the mounting base 141 is slidably connected to the slide rail. The mounting base 141 is fixed to the reaction chamber 110 by a fastener. When adjusting the position of the mounting base 141, the fastener is loosened, the mounting base 141 is driven to slide along the slide rail to the target position, and then fixed by the fastener to complete the height adjustment of the mounting base 141. The fastener can be a screw or a bolt.

[0073] Optionally, the photocatalytic reaction device 1 further includes a fan 150, which is disposed in the reaction chamber 111 of the reaction box 110; wherein the number of fans 150 is one.

[0074] In this embodiment, a fan 150 is installed inside the reaction chamber 111 to drive the gas flow within the reaction chamber 111, thereby improving the uniformity of gas distribution within the reaction chamber 111. Furthermore, the turbulence effect of the fan 150 enhances the fluidity of the gas surrounding the photocatalyst 2, thereby improving the uniformity of the catalytic reaction occurring on the photocatalyst 2 and enhancing catalytic efficiency and effectiveness.

[0075] Optionally, combined Figure 4 As shown, the photocatalytic reaction device 1 also includes a fan 150, which is disposed in the reaction chamber 111 of the reaction box 110; wherein, the number of fans 150 is multiple.

[0076] In this embodiment, multiple fans 150 are installed inside the reaction chamber 111, and the multiple fans 150 are distributed on both sides of the reaction chamber 111. By setting multiple fans 150, the gas in the reaction chamber 111 is turbulent in advance, which improves the flow of gas around the photocatalyst 2, thereby improving the uniformity of the catalytic reaction of the photocatalyst 2 and improving the catalytic efficiency and effect.

[0077] Optionally, combined Figure 4 As shown, there are two fans 150. One of the two fans 150 is located on one side wall of the reaction chamber 111, and the other fan 150 is located on the other side wall of the reaction chamber 111. By placing the two fans 150 on two opposite side walls, airflow convection is achieved, thereby improving the uniformity of gas distribution and the fluidity of the gas.

[0078] Optionally, the number of fans 150 is three. Two of the three fans 150 are disposed on two opposite side walls of the reaction chamber 111. The third fan 150 is disposed on one of the other two opposite side walls of the reaction chamber 111. By distributing three fans 150, the turbulence effect on the gas within the reaction chamber 111 is further enhanced.

[0079] It should be noted that the number of fans 150 is not limited to the two or three listed. The specific number and location of the fans can be selected and set according to the specific structure and size of the reaction chamber 110. Examples will not be given here.

[0080] Optionally, combined Figures 1 to 4 As shown, the reaction chamber 110 includes: a main body 112 and a cover 113 that surrounds the reaction chamber 111 with the main body 112.

[0081] In this embodiment, the main body 112 and the cover 113 enclose the reaction chamber 111. The cover 113 can open or close the reaction chamber 111 to facilitate the insertion or removal of the photocatalyst 2.

[0082] Optionally, the cover 113 is rotatably connected to the main body 112 of the chamber via a pin to open or close the reaction chamber 111.

[0083] Optionally, a sealing ring is provided on the side of the cover 113 facing the main body 112. By providing the sealing ring, the sealing effect of the reaction chamber 111 can be improved when the cover 113 closes the reaction chamber 111, thereby improving the accuracy of the catalytic efficiency.

[0084] Optionally, a viewing window 114 is provided on the main body 112 of the box.

[0085] In this embodiment, by providing a viewing window 114 on the main body 112 of the chamber, the situation inside the reaction chamber 111 can be observed through the viewing window 114.

[0086] Optionally, combined Figure 1 , Figure 2 and Figure 4 As shown, a viewing window 114 is provided on the cover 113.

[0087] In this embodiment, by providing a viewing window 114 on the cover 113, the situation inside the reaction chamber 111 can be observed through the viewing window 114.

[0088] Optionally, a viewing window 114 is provided on the main body 112 and the cover 113 of the box.

[0089] In this embodiment, by providing viewing windows 114 on the main body 112 and the cover 113 respectively, the situation inside the reaction chamber 111 can be observed from multiple angles, thereby providing multiple observation angles and improving the observation effect.

[0090] Optionally, the viewing window 114 is a glass viewing window.

[0091] Optionally, combined Figure 1As shown, the photocatalytic reaction device 1 further includes an inlet pipe 160, an exhaust pipe 161, and a gas analysis component 162. The inlet pipe 160 is located in the reaction chamber 110 and communicates with the reaction cavity 111, and is used to supply gas into the reaction cavity 111. The exhaust pipe 161 is located in the reaction chamber 110 and communicates with the reaction cavity 111, and is used to discharge gas from the reaction cavity 111. The inlet and outlet ends of the gas analysis component 162 are respectively connected to the reaction cavity 111, and are used to monitor the concentration of gas within the reaction cavity 111.

[0092] In this embodiment, the intake pipe 160 is connected to the exhaust gas generator, and the pollutant gas of the required concentration for the reaction is delivered to the reaction chamber 111 through the intake pipe 160 for photocatalytic reaction. After a period of photocatalytic reaction, the gas analysis component 162 is turned on to monitor the concentration of the gas in the reaction chamber 111 to determine the catalytic efficiency of the photocatalyst 2. After the reaction is completed, the exhaust pipe 161 is opened to discharge the gas in the reaction chamber 111.

[0093] Optionally, combined Figure 1 As shown, the gas analysis assembly 162 includes: a first tube 163, a second tube 164, and a gas analyzer 165.

[0094] In this embodiment, the inlet of the first tube 163 is connected to the reaction chamber 111. The outlet of the first tube 163 is connected to the gas analyzer 165. The inlet of the second tube 164 is connected to the gas analyzer 165, and the outlet of the second tube 164 is connected to the reaction chamber 111.

[0095] Optionally, a switch valve is provided on the intake pipe 160, the exhaust pipe 161 and the first pipe body 163 respectively, and the switch valve is used to control the opening or closing of each pipe.

[0096] The process of using the photocatalytic reaction device 1 provided in this embodiment is as follows:

[0097] Open the cover 113 and place the photocatalyst 2 into the reaction chamber 111. Use the clamping part 130 to clamp the photocatalyst 2 from the side. This completes the clamping and fixing of the photocatalyst 2. Close the cover 113. To improve the tightness of the closure, a locking mechanism can be provided to lock the cover 113.

[0098] After the photocatalyst 2 is placed, the required concentration of pollutant gas is delivered to the reaction chamber 111 via the intake pipe 160. The light source 140 and fan 150 are turned on to enhance the photocatalytic reaction effect. After a period of photocatalytic reaction, the gas analysis component 162 is activated to monitor the concentration of gas in the reaction chamber 111. After the reaction is complete, the exhaust pipe 161 is opened to discharge the gas from the reaction chamber 111.

[0099] In some embodiments, an air purification device is provided, including the photocatalytic reaction device 1 as described in any of the above embodiments. Therefore, it possesses all the beneficial effects of the photocatalytic reaction device 1 of any of the above embodiments, which will not be elaborated further here.

[0100] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A photocatalytic reaction device, characterized in that, include: The reaction chamber includes a reaction cavity, which is used to carry out a photocatalytic reaction on the photocatalyst. The mounting bracket is installed inside the reaction chamber of the reaction chamber. A clamping part is provided on the mounting frame and is used to clamp the photocatalyst from the side. A fan is installed inside the reaction chamber of the reaction chamber to drive the flow of gas within the reaction chamber; The side of the photocatalyst refers to the surface of the photocatalyst along the horizontal direction of the reaction chamber.

2. The photocatalytic reaction device according to claim 1, characterized in that the clamping part... include: Connector, which connects to the mounting bracket; The gripper is set on the connector and is used to hold the photocatalyst; The connector is used to adjust the relative position of the gripper and the mounting bracket.

3. The photocatalytic reaction device according to claim 2, characterized in that, The connector includes a spring, one end of which is connected to the mounting bracket, and the other end of which is connected to the gripper.

4. The photocatalytic reaction device according to claim 2, characterized in that, The connectors include: The adjusting rod is movably connected to the mounting bracket and can move relative to the mounting bracket to adjust the relative position of the gripper and the mounting bracket.

5. The photocatalytic reaction apparatus according to any one of claims 1 to 4, characterized in that the clamping part include: The first clamping part is provided on the mounting bracket; The second clamping part is disposed on the mounting bracket and is disposed opposite to the first clamping part; In the case of clamping the photocatalyst, the first clamping part and the second clamping part are located on opposite sides of the photocatalyst.

6. The photocatalytic reaction apparatus according to any one of claims 1 to 4, characterized in that, The mounting bracket includes: The frame is installed inside the reaction chamber of the reaction chamber; The support base is movably connected to the frame and can reciprocate relative to the frame along the height direction of the frame. The clamping part is located on the support base.

7. The photocatalytic reaction apparatus according to any one of claims 1 to 4, characterized in that, Also includes: A light source is disposed within the reaction chamber; wherein the light source is movably connected to the reaction chamber, and the light source can move relative to the reaction chamber to adjust the relative position of the light source and the photocatalyst; and / or The number of fans is one or more.

8. The photocatalytic reaction apparatus according to any one of claims 1 to 4, characterized in that, The reaction chamber includes: a main body and a cover that encloses the reaction chamber. The main body and / or lid of the box are equipped with viewing windows.

9. The photocatalytic reaction apparatus according to any one of claims 1 to 4, characterized in that, Also includes: An air inlet pipe is installed in the reaction chamber and connected to the reaction chamber. The air inlet pipe is used to deliver gas into the reaction chamber. An exhaust pipe is installed in the reaction chamber and connected to the reaction chamber. The exhaust pipe is used to discharge the gas in the reaction chamber. The gas analysis component has its inlet and outlet connected to the reaction chamber, and is used to analyze the gas inside the reaction chamber.

10. An air purification device, characterized in that, include: The photocatalytic reaction apparatus as described in any one of claims 1 to 9.

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