CN220968704U - Photocatalytic reactor - Google Patents

Photocatalytic reactor Download PDF

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CN220968704U
CN220968704U CN202323036950.3U CN202323036950U CN220968704U CN 220968704 U CN220968704 U CN 220968704U CN 202323036950 U CN202323036950 U CN 202323036950U CN 220968704 U CN220968704 U CN 220968704U
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catalyst
net
upper cover
temperature control
control box
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魏宇学
卢洁
孙松
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Anhui University
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Abstract

The utility model relates to the technical field of photo-thermal catalytic equipment, in particular to a photo-catalytic reactor, which comprises a heater, wherein a temperature control box is arranged on the heater, a reaction kettle is arranged in the temperature control box, an upper cover is arranged on the temperature control box, a quartz window is arranged at the top of the upper cover, and an air inlet, an air outlet, a standby port, a temperature sensor and a pressure buffer device are also arranged at the top of the upper cover; the reaction kettle is internally provided with a first catalyst load net, a second catalyst load net and a third catalyst load net from top to bottom respectively, wherein the aperture of the first catalyst load net is larger than that of the second catalyst load net, and the aperture of the second catalyst load net is larger than that of the third catalyst load net. The three-layer catalyst loading net arranged in the photocatalytic reactor ensures that the catalyst is uniformly spread, can achieve the effects of full contact between the solid catalyst and the reactant gas molecules in the whole kettle body and uniform illumination, and improves the reaction efficiency.

Description

一种光催化反应器A photocatalytic reactor

技术领域Technical Field

本实用新型涉及光热催化设备技术领域,尤其涉及一种光催化反应器。The utility model relates to the technical field of photothermal catalytic equipment, in particular to a photocatalytic reactor.

背景技术Background technique

光催化原理是基于光催化剂在光照的条件下具有的氧化还原能力,从而可以达到净化污染物、物质合成和转化等目的。通常情况下,光催化氧化反应以半导体为催化剂,以光为能量,将有机物降解为二氧化碳和水。因此光催化技术作为一种高效、安全的环境友好型环境净化技术,对室内空气质量的改善已得到国际学术界的认可The principle of photocatalysis is based on the redox ability of photocatalysts under light conditions, which can achieve the purpose of purifying pollutants, synthesizing and converting substances. Usually, photocatalytic oxidation reactions use semiconductors as catalysts and light as energy to degrade organic matter into carbon dioxide and water. Therefore, photocatalytic technology, as an efficient, safe and environmentally friendly environmental purification technology, has been recognized by the international academic community for improving indoor air quality.

利用光热催化剂将二氧化碳和氢气转化为碳氢化合物(即甲烷和C2+产品)因其可以提高太阳能利用率,减少二氧化碳排放,同时生产增值化学品,近年来吸引了众多研究者的关注。The use of photothermal catalysts to convert carbon dioxide and hydrogen into hydrocarbons (i.e., methane and C2 + products) has attracted the attention of many researchers in recent years because it can improve the utilization of solar energy, reduce carbon dioxide emissions, and produce value-added chemicals.

光热二氧化碳加氢反应一般是在釜式光热反应器中进行。固体催化剂与气相反应物在釜式光热反应器中进行混合,进行后续的光热催化反应。在现有的釜式光热反应器中,固体催化剂与气相反应物的混合不均匀,影响反应效率的同时,还会影响对于光热催化剂催化效果的结论判断,且很多时候,气体反应需要进行控温,在一定的温度下,才能进行反应,因此急需一种新式的釜式反应器来解决该问题。Photothermal carbon dioxide hydrogenation reaction is generally carried out in a kettle photothermal reactor. The solid catalyst and gas phase reactants are mixed in the kettle photothermal reactor for subsequent photothermal catalytic reaction. In the existing kettle photothermal reactor, the solid catalyst and gas phase reactants are mixed unevenly, which affects the reaction efficiency and the conclusion of the catalytic effect of the photothermal catalyst. In many cases, the gas reaction needs to be temperature controlled and can only react at a certain temperature. Therefore, a new type of kettle reactor is urgently needed to solve this problem.

中国专利CN207576137 U公开了一种用于气体净化的光催化反应器,包括:内置光源和内翅片式光催化反应容器,所述内翅片式光催化反应容器包括容器本体、内支架、光源支座、多个内翅片、入口管、出口管、顶部插入内置光源的开口、固定装置和线接头,容器本体内同一水平面上的内翅片间隔分布,上下相邻两排内翅片交错分布;所述入口管、出口管分别位于容器本体上下两侧,便于气体流过整个容器本体;所述内置光源位于容器本体中心,光源发射的光能够照射到气体及催化剂上。Chinese patent CN207576137 U discloses a photocatalytic reactor for gas purification, comprising: a built-in light source and an inner-finned photocatalytic reaction container, wherein the inner-finned photocatalytic reaction container comprises a container body, an inner bracket, a light source support, a plurality of inner fins, an inlet pipe, an outlet pipe, an opening for inserting the built-in light source at the top, a fixing device and a wire joint, the inner fins on the same horizontal plane in the container body are distributed at intervals, and the upper and lower adjacent rows of inner fins are distributed alternately; the inlet pipe and the outlet pipe are respectively located on the upper and lower sides of the container body to facilitate the gas to flow through the entire container body; the built-in light source is located at the center of the container body, and the light emitted by the light source can irradiate the gas and the catalyst.

上述专利提供的光催化反应器光催化效率高,但不适用于需要控温的气体反应场所,控制精度不高。The photocatalytic reactor provided by the above patent has high photocatalytic efficiency, but is not suitable for gas reaction sites that require temperature control, and the control accuracy is not high.

实用新型内容Utility Model Content

针对现有技术的不足,本实用新型的目的在于提出一种光催化反应器,用于解决现有技术中釜式光热反应器固体催化剂与气相反应物的接触不充分,以及需要对温度进行控制且能够保温的问题。In view of the deficiencies of the prior art, the purpose of the utility model is to propose a photocatalytic reactor for solving the problems of insufficient contact between solid catalysts and gas-phase reactants in kettle-type photothermal reactors in the prior art, and the need to control temperature and keep warm.

为了实现上述目的,本实用新型提供如下技术方案:In order to achieve the above purpose, the utility model provides the following technical solutions:

一种光催化反应器,包括加热器,其特征在于:所述加热器上设置有控温箱,所述控温箱内设有反应釜,所述控温箱上设有上盖,所述上盖顶部设有石英窗口,所述上盖顶部还设有进气口、出气口、备用口、温度传感器以及压力缓冲装置;A photocatalytic reactor, comprising a heater, characterized in that: a temperature control box is arranged on the heater, a reaction kettle is arranged in the temperature control box, an upper cover is arranged on the temperature control box, a quartz window is arranged on the top of the upper cover, an air inlet, an air outlet, a spare port, a temperature sensor and a pressure buffer device are also arranged on the top of the upper cover;

所述反应釜内由上到下分别设有第一催化剂负载网、第二催化剂负载网和第三催化剂负载网,所述第一催化剂负载网的孔径大于第二催化剂负载网的孔径,所述第二催化剂负载网的孔径大于第三催化剂负载网的孔径。The reactor is provided with a first catalyst-supporting net, a second catalyst-supporting net and a third catalyst-supporting net from top to bottom, respectively. The pore size of the first catalyst-supporting net is larger than that of the second catalyst-supporting net, and the pore size of the second catalyst-supporting net is larger than that of the third catalyst-supporting net.

优选地,所述第一催化剂负载网、第二催化剂负载网和第三催化剂负载网的网丝为槽状网丝,槽状网丝的槽口向上设置,槽口内放置有催化剂。Preferably, the meshes of the first catalyst-supporting mesh, the second catalyst-supporting mesh and the third catalyst-supporting mesh are grooved meshes, the grooves of the grooved meshes are arranged upward, and catalysts are placed in the grooves.

优选地,所述压力缓冲装置包括压力表缓冲管,所述压力表缓冲管的一端连通上盖,所述压力表缓冲管的另一端连接有压力表,所述压力表缓冲管的中部还连接有防爆片。Preferably, the pressure buffer device comprises a pressure gauge buffer tube, one end of the pressure gauge buffer tube is connected to the upper cover, the other end of the pressure gauge buffer tube is connected to a pressure gauge, and the middle part of the pressure gauge buffer tube is also connected to an explosion-proof plate.

优选地,所述加热器上设有显示屏和控制调节按钮。Preferably, the heater is provided with a display screen and control adjustment buttons.

优选地,所述石英窗口为圆形。Preferably, the quartz window is circular.

优选地,所述控温箱与上盖的连接处设有密封圈。Preferably, a sealing ring is provided at the connection between the temperature control box and the upper cover.

优选地,所述进气口、出气口、备用口上均安装有阀门。Preferably, valves are installed on the air inlet, air outlet and spare port.

与现有技术相比,本实用新型具备如下有益效果:Compared with the prior art, the utility model has the following beneficial effects:

(1)本实用新型的光催化反应器设有加热炉以及控温箱,能对反应釜中反应需要的温度进行控制,并且保温,设有温度传感器进行实时监控,温度控制精度高,反应效果更好。(1) The photocatalytic reactor of the utility model is equipped with a heating furnace and a temperature control box, which can control the temperature required for the reaction in the reactor and keep it warm. A temperature sensor is provided for real-time monitoring, so the temperature control accuracy is high and the reaction effect is better.

(2)本实用新型的光催化反应器设有三层催化剂负载网,用于放置催化剂,三层催化剂负载网的孔径从上到下由大到小,光透过孔隙能照射到三层催化剂负载网,当通入气体与催化剂进行反应时,能达到固体催化剂与整个釜体内的反应气体分子充分接触、光照均匀的效果,提高了反应效率。(2) The photocatalytic reactor of the utility model is provided with a three-layer catalyst loading net for placing the catalyst. The apertures of the three-layer catalyst loading net are from large to small from top to bottom. Light can shine through the pores to the three-layer catalyst loading net. When the gas is introduced to react with the catalyst, the solid catalyst can be fully in contact with the reaction gas molecules in the entire reactor body and the light can be evenly irradiated, thereby improving the reaction efficiency.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1是本实用新型提出的一种光催化反应器的整体结构示意图;FIG1 is a schematic diagram of the overall structure of a photocatalytic reactor proposed by the present invention;

图2是本实用新型提出的一种光催化反应器的反应釜内部结构示意图;FIG2 is a schematic diagram of the internal structure of a reactor of a photocatalytic reactor proposed by the present invention;

图3是本实用新型提出的一种光催化反应器的催化剂负载网的结构示意图;FIG3 is a schematic structural diagram of a catalyst-supporting network of a photocatalytic reactor proposed in the present invention;

图4是本实用新型提出的一种光催化反应器的网丝的整体结构示意图;FIG4 is a schematic diagram of the overall structure of a mesh of a photocatalytic reactor proposed by the present invention;

图中:其中:1、加热器;2、控温箱;3、反应釜;4、上盖;5、石英窗口;6、进气口;7、出气口;8、备用口;9、温度传感器;10、第一催化剂负载网;11、第二催化剂负载网;12、第三催化剂负载网;13、压力表缓冲管;14、压力表;15、防爆片;16、显示屏;17、控制调节按钮。In the figure: Among them: 1. heater; 2. temperature control box; 3. reactor; 4. upper cover; 5. quartz window; 6. air inlet; 7. air outlet; 8. spare port; 9. temperature sensor; 10. first catalyst loading net; 11. second catalyst loading net; 12. third catalyst loading net; 13. pressure gauge buffer tube; 14. pressure gauge; 15. explosion-proof disk; 16. display screen; 17. control adjustment button.

具体实施方式Detailed ways

以下将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述地实施例是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

实施例Example

一种光催化反应器,包括加热器1,其特征在于:所述加热器1上设置有控温箱2,所述控温箱2内设有反应釜3,所述控温箱2上设有上盖4,所述上盖4顶部设有石英窗口5,所述上盖4顶部还设有进气口6、出气口7、备用口8、温度传感器9以及压力缓冲装置;A photocatalytic reactor, comprising a heater 1, characterized in that: a temperature control box 2 is arranged on the heater 1, a reaction kettle 3 is arranged in the temperature control box 2, an upper cover 4 is arranged on the temperature control box 2, a quartz window 5 is arranged on the top of the upper cover 4, and an air inlet 6, an air outlet 7, a spare port 8, a temperature sensor 9 and a pressure buffer device are also arranged on the top of the upper cover 4;

加热器1对反应釜3进行加热进行控温,并由控温箱2保温,温度传感器9实时对反应釜3温度进行监测,为反应釜3中反应充分所需要的温度提供保障;上盖4上设置的石英窗口5具有良好的透光率,为光催化剂催化提供优质光源,进气口6作为气体进口,出气口7作为气体出口,备用口8根据需要可选择设置为气体进口或气体出口。The heater 1 heats the reactor 3 to control the temperature, and the temperature control box 2 keeps it warm. The temperature sensor 9 monitors the temperature of the reactor 3 in real time to ensure the temperature required for a full reaction in the reactor 3. The quartz window 5 arranged on the upper cover 4 has good light transmittance and provides a high-quality light source for photocatalytic catalysis. The air inlet 6 serves as a gas inlet, the air outlet 7 serves as a gas outlet, and the spare port 8 can be selected as a gas inlet or a gas outlet as needed.

所述反应釜3内由上到下分别设有第一催化剂负载网10、第二催化剂负载网11和第三催化剂负载网12,所述第一催化剂负载网10的孔径大于第二催化剂负载网11的孔径,所述第二催化剂负载网11的孔径大于第三催化剂负载网12的孔径。The reactor 3 is provided with a first catalyst-supporting net 10, a second catalyst-supporting net 11 and a third catalyst-supporting net 12 from top to bottom. The pore size of the first catalyst-supporting net 10 is larger than that of the second catalyst-supporting net 11, and the pore size of the second catalyst-supporting net 11 is larger than that of the third catalyst-supporting net 12.

在本实施例中,所述第一催化剂负载网10、第二催化剂负载网11和第三催化剂负载网12的网丝为槽状网丝,槽状网丝的槽口向上设置,槽口内放置有催化剂。In this embodiment, the meshes of the first catalyst-supporting net 10 , the second catalyst-supporting net 11 and the third catalyst-supporting net 12 are grooved meshes, the grooves of which are arranged upward, and catalysts are placed in the grooves.

第一催化剂负载网10、第二催化剂负载网11和第三催化剂负载网12的网丝槽状网丝,槽口内用于放置催化剂,三层催化剂负载网都放置有催化剂,且三层催化剂负载网的孔径从上到下由大到小,因此可以更好的让催化剂接收光照,三层催化剂负载网的设置使固体催化剂与气体分子反应更加均匀,接触更加充分,提高反应效率。The mesh grooves of the first catalyst-loaded net 10, the second catalyst-loaded net 11 and the third catalyst-loaded net 12 are used to place catalysts in the grooves. Catalysts are placed in the three layers of catalyst-loaded nets, and the apertures of the three layers of catalyst-loaded nets decrease from large to small from top to bottom, so that the catalysts can better receive light. The setting of the three layers of catalyst-loaded nets makes the reaction of solid catalysts and gas molecules more uniform and the contact more sufficient, thereby improving the reaction efficiency.

在本实施例中,所述压力缓冲装置包括压力表缓冲管13,所述压力表缓冲管13的一端连通上盖4,所述压力表缓冲管13的另一端连接有压力表14,所述压力表缓冲管13的中部还连接有防爆片15。In this embodiment, the pressure buffer device includes a pressure gauge buffer tube 13, one end of the pressure gauge buffer tube 13 is connected to the upper cover 4, the other end of the pressure gauge buffer tube 13 is connected to a pressure gauge 14, and the middle of the pressure gauge buffer tube 13 is also connected to an explosion-proof plate 15.

压力表14对反应釜3内压力进行实时监控,防爆片15可防止压力过大而爆破的风险。The pressure gauge 14 monitors the pressure in the reactor 3 in real time, and the explosion-proof disc 15 can prevent the risk of explosion due to excessive pressure.

在本实施例中,所述加热器1上设有显示屏16和控制调节按钮17。In this embodiment, the heater 1 is provided with a display screen 16 and control adjustment buttons 17 .

在本实施例中,所述石英窗口5为圆形。In this embodiment, the quartz window 5 is circular.

在本实施例中,所述控温箱2与上盖4的连接处设有密封圈。In this embodiment, a sealing ring is provided at the connection between the temperature control box 2 and the upper cover 4.

密封圈保证反应釜3内反应的气密性。The sealing ring ensures the airtightness of the reaction in the reactor 3.

在本实施例中,所述进气口6、出气口7、备用口8上均安装有阀门。In this embodiment, valves are installed on the air inlet 6, the air outlet 7 and the standby port 8.

本实用新型一种光催化反应器的工作原理如下:The working principle of a photocatalytic reactor of the utility model is as follows:

开启加热器1,将反应釜3加热到合适的温度,进行保温,在催化剂负载网上放置光催化剂,盖上上盖4,通入气体,将光源对准石英窗口5,反应釜3中气体分子与光催化剂进行反应,催化剂负载网的设置使催化剂分布更加均匀,为气体分子与光催化剂充分接触提供了良好保障。Turn on the heater 1, heat the reactor 3 to a suitable temperature, keep it warm, place a photocatalyst on the catalyst loading net, cover it with the upper cover 4, introduce gas, aim the light source at the quartz window 5, and the gas molecules in the reactor 3 react with the photocatalyst. The setting of the catalyst loading net makes the catalyst distribution more uniform, which provides a good guarantee for the full contact between the gas molecules and the photocatalyst.

以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (7)

1.一种光催化反应器,包括加热器(1),其特征在于:所述加热器(1)上设置有控温箱(2),所述控温箱(2)内设有反应釜(3),所述控温箱(2)上设有上盖(4),所述上盖(4)顶部设有石英窗口(5),所述上盖(4)顶部还设有进气口(6)、出气口(7)、备用口(8)、温度传感器(9)以及压力缓冲装置;1. A photocatalytic reactor, comprising a heater (1), characterized in that: a temperature control box (2) is arranged on the heater (1), a reaction kettle (3) is arranged in the temperature control box (2), an upper cover (4) is arranged on the temperature control box (2), a quartz window (5) is arranged on the top of the upper cover (4), and an air inlet (6), an air outlet (7), a spare port (8), a temperature sensor (9) and a pressure buffer device are also arranged on the top of the upper cover (4); 所述反应釜(3)内由上到下分别设有第一催化剂负载网(10)、第二催化剂负载网(11)和第三催化剂负载网(12),所述第一催化剂负载网(10)的孔径大于第二催化剂负载网(11)的孔径,所述第二催化剂负载网(11)的孔径大于第三催化剂负载网(12)的孔径。The reactor (3) is provided with a first catalyst-supporting net (10), a second catalyst-supporting net (11) and a third catalyst-supporting net (12) from top to bottom, respectively; the pore size of the first catalyst-supporting net (10) is larger than the pore size of the second catalyst-supporting net (11), and the pore size of the second catalyst-supporting net (11) is larger than the pore size of the third catalyst-supporting net (12). 2.根据权利要求1所述的一种光催化反应器,其特征在于:所述第一催化剂负载网(10)、第二催化剂负载网(11)和第三催化剂负载网(12)的网丝为槽状网丝,槽状网丝的槽口向上设置,槽口内放置有催化剂。2. A photocatalytic reactor according to claim 1, characterized in that the meshes of the first catalyst-loaded net (10), the second catalyst-loaded net (11) and the third catalyst-loaded net (12) are grooved meshes, the grooves of the grooved meshes are arranged upward, and catalysts are placed in the grooves. 3.根据权利要求1所述的一种光催化反应器,其特征在于:所述压力缓冲装置包括压力表缓冲管(13),所述压力表缓冲管(13)的一端连通上盖(4),所述压力表缓冲管(13)的另一端连接有压力表(14),所述压力表缓冲管(13)的中部还连接有防爆片(15)。3. A photocatalytic reactor according to claim 1, characterized in that: the pressure buffer device includes a pressure gauge buffer tube (13), one end of the pressure gauge buffer tube (13) is connected to the upper cover (4), the other end of the pressure gauge buffer tube (13) is connected to a pressure gauge (14), and the middle part of the pressure gauge buffer tube (13) is also connected to an explosion-proof plate (15). 4.根据权利要求1所述的一种光催化反应器,其特征在于:所述加热器(1)上设有显示屏(16)和控制调节按钮(17)。4. A photocatalytic reactor according to claim 1, characterized in that: a display screen (16) and control adjustment buttons (17) are provided on the heater (1). 5.根据权利要求1所述的一种光催化反应器,其特征在于:所述石英窗口(5)为圆形。5. A photocatalytic reactor according to claim 1, characterized in that: the quartz window (5) is circular. 6.根据权利要求1所述的一种光催化反应器,其特征在于:所述控温箱(2)与上盖(4)的连接处设有密封圈。6. A photocatalytic reactor according to claim 1, characterized in that a sealing ring is provided at the connection between the temperature control box (2) and the upper cover (4). 7.根据权利要求1所述的一种光催化反应器,其特征在于:所述进气口(6)、出气口(7)、备用口(8)上均安装有阀门。7. A photocatalytic reactor according to claim 1, characterized in that valves are installed on the air inlet (6), the air outlet (7) and the standby port (8).
CN202323036950.3U 2023-11-10 2023-11-10 Photocatalytic reactor Active CN220968704U (en)

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