CN110332628A - Indoor air purification device with self-cleaning function - Google Patents
Indoor air purification device with self-cleaning function Download PDFInfo
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- CN110332628A CN110332628A CN201910499021.5A CN201910499021A CN110332628A CN 110332628 A CN110332628 A CN 110332628A CN 201910499021 A CN201910499021 A CN 201910499021A CN 110332628 A CN110332628 A CN 110332628A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
一种具有自清洁功能的室内空气净化装置,包括新风管道、空气净化模块、动力箱、电动风阀，新风管道一侧为新风入口，另一侧为弃风出口，空气净化模块对称分布于新风管道外周，空气净化模块由内向外包括粗滤网、高效过滤网、VOC分解滤网、紫外灯、洁净风出口，新风管道与净化模块接触部分为镂空的透气孔，动力箱位于新风管道入口处，包括新风粗滤及风机，电动风阀位于新风管道弃风出口处。本发明所述的空气净化装置，将传统的空气净化终端过滤方式变为错流过滤，室外新风在管道内流动的同时通过空气净化模块进行净化，附着在滤网上的粉尘被管道内空气带走，随弃风排出室外，在进行空气净化的同时对滤网表面进行清洁，延长滤网使用寿命。An indoor air purification device with self-cleaning function, including a fresh air duct, an air purification module, a power box, and an electric air valve. One side of the fresh air duct is the fresh air inlet, and the other side is the abandoned air outlet. The air purification modules are symmetrically distributed in the fresh air. On the periphery of the duct, the air purification module includes a coarse filter, a high-efficiency filter, a VOC decomposition filter, an ultraviolet lamp, and a clean air outlet from the inside to the outside. The contact part between the fresh air duct and the purification module is a hollow air hole, and the power box is located at the entrance of the fresh air duct. , including the fresh air coarse filter and fan, and the electric air valve is located at the outlet of the abandoned air of the fresh air pipeline. The air purification device of the present invention changes the traditional air purification terminal filtration method into cross-flow filtration, and the outdoor fresh air is purified through the air purification module while flowing in the pipeline, and the dust attached to the filter is taken away by the air in the pipeline , with the discarded air discharged to the outside, cleaning the surface of the filter while purifying the air, prolonging the service life of the filter.
Description
技术领域technical field
本发明属于室内空气净化技术领域，具体涉及一种具有自清洁功能的室内空气净化装置。The invention belongs to the technical field of indoor air purification, and in particular relates to an indoor air purification device with self-cleaning function.
背景技术Background technique
近年来，随着社会经济的发展，居民的物质消费水平不断得到提高，另一方面，经济的发展也给人们的生活环境带来污染，尤其是室内空气污染问题，越来越受到人们的重视。传统的空气净化器或新风净化系统对空气进行过滤时均采用终端过滤，即空气垂直流过过滤介质，采用风机提供过滤动力，在负压抽吸或正压鼓风作用下气体透过过滤介质，粉尘颗粒物被过滤介质截留，气体透过。此种过滤方式被过滤介质截留的粉尘在压力作用下容易进入过滤介质内部，堵塞过滤孔道，无法在线清理，使用一段时间后就需要对过滤介质更换,使用成本较高，浪费了人力资源，造成不必要的损失。In recent years, with the development of social economy, the material consumption level of residents has been continuously improved. On the other hand, economic development has also brought pollution to people's living environment, especially the problem of indoor air pollution, which has attracted more and more attention. . Traditional air purifiers or fresh air purification systems use terminal filtration when filtering air, that is, air flows vertically through the filter medium, and a fan is used to provide filtering power, and the gas passes through the filter medium under the action of negative pressure suction or positive pressure blast. , the dust particles are retained by the filter medium, and the gas passes through. The dust trapped by the filter medium in this kind of filtration method is easy to enter the inside of the filter medium under the action of pressure, blocking the filter pores, and cannot be cleaned online. After a period of use, the filter medium needs to be replaced. unnecessary loss.
发明内容Contents of the invention
为了解决以上技术问题，本发明公开了一种具有自清洁功能的室内空气净化装置，室外空气在过滤介质表面流向分为垂直流向和水平流向，垂直经过过滤介质的空气被净化进入室内，补充室内新鲜空气，水平流向的空气对附着在过滤介质表面的粉尘进行吹扫，被截留的粉尘随弃风排出室外,完成滤网表面的自清洁过程。In order to solve the above technical problems, the present invention discloses an indoor air purification device with self-cleaning function. The flow direction of outdoor air on the surface of the filter medium is divided into vertical flow direction and horizontal flow direction. Fresh air, the air flowing horizontally blows away the dust attached to the surface of the filter medium, and the trapped dust is discharged outside with the discarded air to complete the self-cleaning process of the filter surface.
本发明的技术方案：一种具有自清洁功能的室内空气净化装置，包括新风管道、空气净化模块、动力箱、电动风阀，新风管道一侧为新风入口，另一侧为弃风出口,空气净化模块对称分布于新风管道外周，空气净化模块由内向外包括粗滤网、高效过滤网、VOC分解滤网、紫外灯、洁净风出口，新风管道与净化模块接触部分为镂空的透气孔，动力箱位于新风管道入口处，包括新风粗滤及风机，电动风阀位于新风管道弃风出口处,所使用的粗滤网材质为聚酯、玻纤或聚丙烯，高效过滤网材质为聚四氟乙烯、聚酯、玻纤或聚丙烯，对大于0.3μm粉尘截留效率高于99.97%，VOC分解滤网为在蜂窝状多孔材料载体上,通过担载催化剂制成。The technical solution of the present invention: an indoor air purification device with self-cleaning function, including a fresh air duct, an air purification module, a power box, and an electric air valve. One side of the fresh air duct is the fresh air inlet, and the other side is the abandoned air outlet. The purification modules are symmetrically distributed on the outer circumference of the fresh air duct. The air purification module includes a coarse filter, a high-efficiency filter, a VOC decomposition filter, an ultraviolet lamp, and a clean air outlet from the inside to the outside. The contact part between the fresh air duct and the purification module is a hollow air hole. The box is located at the entrance of the fresh air duct, including fresh air coarse filter and fan, and the electric air valve is located at the outlet of the discarded air of the fresh air duct. The material of the coarse filter is polyester, glass fiber or polypropylene, and the material of the high-efficiency filter is PTFE. Ethylene, polyester, glass fiber or polypropylene, the interception efficiency of dust larger than 0.3μm is higher than 99.97%, and the VOC decomposition filter is made of a honeycomb porous material carrier by loading a catalyst.
新风入口及弃风出口安装时位于室外，空气净化模块位于室内。The fresh air inlet and abandoned air outlet are installed outdoors, and the air purification module is installed indoors.
更进一步的空气净化模块可在室内不同位置布置多个，多个空气净化模块之间由新风管道串联、并联或二者同时使用。Further, multiple air purification modules can be arranged in different positions in the room, and the fresh air ducts between multiple air purification modules can be used in series, in parallel or both at the same time.
更进一步的新风管道材质为不锈钢、镀锌铁皮或防腐碳钢，新风管道横截面为圆形或矩形。Further, the fresh air duct is made of stainless steel, galvanized iron sheet or anti-corrosion carbon steel, and the cross section of the fresh air duct is circular or rectangular.
更进一步的粗滤网表面经过喷涂抗菌剂抗菌改性，所述的抗菌剂无机抗菌剂，有机抗菌剂或天然抗菌剂。Further, the surface of the coarse filter is modified by spraying an antibacterial agent, which is an inorganic antibacterial agent, an organic antibacterial agent or a natural antibacterial agent.
更进一步的高效过滤网材质为玻纤、聚酯或聚四氟乙烯。The further high-efficiency filter material is glass fiber, polyester or polytetrafluoroethylene.
更进一步的VOC分解滤网为多孔材料负载催化剂制成，多孔材料包括分子筛及活性炭，催化剂为贵金属催化剂或金属氧化物型催化剂，贵金属催化剂为Pt、Pd、Rh催化剂，金属氧化物催化剂为Cu、Mn金属氧化物。The further VOC decomposition filter is made of porous material loaded with catalyst. The porous material includes molecular sieve and activated carbon. The catalyst is a noble metal catalyst or a metal oxide catalyst. The noble metal catalyst is Pt, Pd, Rh catalyst, and the metal oxide catalyst is Cu, Mn metal oxide.
有益效果：本发明所述的具有自清洁功能的室内空气净化装置采用错流过滤方式对室外空气净化，采用电动风阀开度控制错流过滤的动力，从而控制洁净空气与弃风的比例，附着在空气净化模块表面的粉尘被新风管道内的空气带走，随弃风排至室外，从而达到滤网自清洁的目的，可避免粉尘堵塞过滤介质孔道。滤网具有自清洁作用，延长滤网使用寿命。VOC去除率大于90%，对大于0.3μm粉尘截留效率高于99.97%。此外本发明所述的室内空气净化装置可作为基本单元进行串联、并联组合，可适用于不同面积不同要求的室内空气净化，具有使用范围广、安装操作简单,无需频繁更换滤网维护等优点。Beneficial effects: the indoor air purification device with self-cleaning function of the present invention adopts cross-flow filtration to purify outdoor air, and uses electric air valve opening to control the power of cross-flow filtration, thereby controlling the ratio of clean air to discarded air, The dust attached to the surface of the air purification module is taken away by the air in the fresh air duct, and is discharged to the outside with the discarded air, so as to achieve the purpose of self-cleaning of the filter screen and prevent the dust from clogging the pores of the filter medium. The filter screen has a self-cleaning effect, prolonging the service life of the filter screen. The VOC removal rate is greater than 90%, and the interception efficiency of dust greater than 0.3 μm is higher than 99.97%. In addition, the indoor air purification device of the present invention can be combined in series or in parallel as a basic unit, and is suitable for indoor air purification of different areas and different requirements. It has the advantages of wide application range, simple installation and operation, and no need for frequent filter replacement and maintenance.
附图说明Description of drawings
图1为本发明所述的自清洁室内空气净化装置结构示意图；Fig. 1 is a schematic structural view of the self-cleaning indoor air purification device of the present invention;
图2为新风管道横截面为矩形的结构示意图；Fig. 2 is a structural schematic diagram in which the cross section of the fresh air duct is rectangular;
图3为新风管道横截面为圆形的结构示意图；Fig. 3 is a structural schematic diagram in which the cross section of the fresh air duct is circular;
图4为空气净化模块串联安装示意图及空气流向；Figure 4 is a schematic diagram of the series installation of air purification modules and the air flow direction;
图5为空气净化模块并联安装示意图及空气流向；Figure 5 is a schematic diagram of the parallel installation of air purification modules and the air flow direction;
图6为空气净化模块串联与并联同时使用安装示意图及空气流向。Figure 6 is a schematic diagram of the installation of the air purification modules in series and in parallel and the air flow direction.
其中，1-新风管道，2-空气净化模块，3-动力箱，4-电动风阀（4），101-新风入口，102-弃风出口，201-粗滤网，202-高效过滤网，203-VOC分解滤网，204-紫外灯，205-洁净风出口，301-新风粗滤，302-风机，4-电动风阀。Among them, 1-fresh air duct, 2-air purification module, 3-power box, 4-electric air valve (4), 101-fresh air inlet, 102-abandoned air outlet, 201-coarse filter, 202-high efficiency filter, 203-VOC decomposition filter, 204-ultraviolet lamp, 205-clean air outlet, 301-fresh air coarse filter, 302-fan, 4-electric damper.
具体实施方式Detailed ways
实施例1Example 1
一种具有自清洁功能的室内空气净化装置,包括矩形不锈钢新风管道1、空气净化模块2、动力箱3、电动风阀4，新风管道1一侧为新风入口101，另一侧为弃风出口102,空气净化模块2对称分布于新风管道1外周，空气净化模块2由内向外包括粗滤网201、高效过滤网202、VOC分解滤网203、紫外灯204、洁净风出口205，新风管道1与净化模块2接触部分为镂空的透气孔，动力箱3位于新风管道1入口处，包括新风粗滤301及风机302，电动风阀4位于新风管道1弃风出口102处。聚酯粗滤网201表面经过喷涂抗菌剂抗菌改性，所使用的抗菌剂为纳米银，高效过滤网202材质为玻纤，VOC分解滤网203为多孔材料负载催化剂制成，多孔材料分子筛，催化剂为贵金属催化剂Pt剂。其安装方式如图4所示，新风入口101及弃风出口102安装于室外，空气净化模块2位于室内,两个空气净化模块2串联安装。VOC去除率大于90%，对大于0.3μm粉尘截留效率高于99.97%。An indoor air purification device with a self-cleaning function, comprising a rectangular stainless steel fresh air duct 1, an air purification module 2, a power box 3, and an electric air valve 4, one side of the fresh air duct 1 is a fresh air inlet 101, and the other side is an abandoned air outlet 102, the air purification module 2 is symmetrically distributed on the outer periphery of the fresh air duct 1, and the air purification module 2 includes a coarse filter 201, a high-efficiency filter 202, a VOC decomposition filter 203, an ultraviolet lamp 204, a clean air outlet 205, and a fresh air duct 1 from the inside to the outside The part in contact with the purification module 2 is a hollow air hole. The power box 3 is located at the entrance of the fresh air duct 1, including the fresh air coarse filter 301 and the fan 302. The electric damper 4 is located at the outlet 102 of the fresh air duct 1. The surface of the polyester coarse filter 201 is modified by spraying an antibacterial agent, the antibacterial agent used is nano-silver, the material of the high-efficiency filter 202 is glass fiber, and the VOC decomposition filter 203 is made of a porous material loaded with a catalyst, a porous material molecular sieve, The catalyst is a noble metal catalyst Pt agent. The installation method is shown in Figure 4. The fresh air inlet 101 and the discarded air outlet 102 are installed outdoors, the air purification module 2 is located indoors, and two air purification modules 2 are installed in series. The VOC removal rate is greater than 90%, and the interception efficiency of dust greater than 0.3 μm is higher than 99.97%.
实施例2Example 2
一种具有自清洁功能的室内空气净化装置,包括圆形防腐碳钢新风管道1、空气净化模块2、动力箱3、电动风阀4，新风管道1一侧为新风入口101，另一侧为弃风出口102,空气净化模块2对称分布于新风管道1外周，空气净化模块2由内向外包括粗滤网201、高效过滤网202、VOC分解滤网203、紫外灯204、洁净风出口205，新风管道1与净化模块2接触部分为镂空的透气孔，动力箱3位于新风管道1入口处，包括新风粗滤301及风机302，电动风阀4位于新风管道1弃风出口102处。玻纤粗滤网201表面经过喷涂抗菌剂抗菌改性，所使用的抗菌剂为异噻唑酮衍生物。高效过滤网202材质为聚酯熔喷材料。VOC分解滤网203为多孔材料负载催化剂制成，多孔材料为分子筛，催化剂为Mn金属氧化物。其安装方式如图5所示，新风入口101及弃风出口102安装于室外，空气净化模块2位于室内,两个空气净化模块2并联安装。VOC去除率大于90%，对大于0.3μm粉尘截留效率高于99.97%。An indoor air purification device with a self-cleaning function, comprising a circular anti-corrosion carbon steel fresh air duct 1, an air purification module 2, a power box 3, and an electric damper 4. One side of the fresh air duct 1 is a fresh air inlet 101, and the other side is a Abandoned air outlet 102, air purification modules 2 are symmetrically distributed on the outer periphery of fresh air duct 1, air purification module 2 includes coarse filter 201, high efficiency filter 202, VOC decomposition filter 203, ultraviolet lamp 204, clean air outlet 205 from inside to outside, The contact part between the fresh air duct 1 and the purification module 2 is a hollow air hole. The power box 3 is located at the entrance of the fresh air duct 1, including the fresh air coarse filter 301 and the fan 302. The electric damper 4 is located at the outlet 102 of the fresh air duct 1. The surface of the glass fiber coarse filter 201 is modified by spraying an antibacterial agent, and the antibacterial agent used is an isothiazolone derivative. The high-efficiency filter screen 202 is made of polyester melt-blown material. The VOC decomposition filter 203 is made of a catalyst supported by a porous material, the porous material is a molecular sieve, and the catalyst is a Mn metal oxide. The installation method is shown in Figure 5, the fresh air inlet 101 and the abandoned air outlet 102 are installed outdoors, the air purification module 2 is located indoors, and the two air purification modules 2 are installed in parallel. The VOC removal rate is greater than 90%, and the interception efficiency of dust greater than 0.3 μm is higher than 99.97%.
实施例3Example 3
一种具有自清洁功能的室内空气净化装置,包括矩形镀锌铁皮新风管道1、空气净化模块2、动力箱3、电动风阀4，新风管道1一侧为新风入口101，另一侧为弃风出口102,空气净化模块2对称分布于新风管道1外周，空气净化模块2由内向外包括粗滤网201、高效过滤网202、VOC分解滤网203、紫外灯204、洁净风出口205，新风管道1与净化模块2接触部分为镂空的透气孔，动力箱3位于新风管道1入口处，包括新风粗滤301及风机302，电动风阀4位于新风管道1弃风出口102处。聚丙烯粗滤网201表面经过喷涂抗菌剂抗菌改性，抗菌剂为甲壳素。高效过滤网202材质为聚四氟乙烯。VOC分解滤网203为多孔材料负载催化剂制成，多孔材料为活性炭，催化剂为贵金属催化剂Pd，。其安装方式如图6所示，新风入口101及弃风出口102安装于室外，空气净化模块2位于室内,两个空气净化模块2串联安装，室内共安装两组空气净化模块，每组之间并联安装。VOC去除率大于90%，对大于0.3μm粉尘截留效率高于99.97%。An indoor air purification device with self-cleaning function, comprising a rectangular galvanized iron sheet fresh air duct 1, an air purification module 2, a power box 3, and an electric air valve 4, one side of the fresh air duct 1 is a fresh air inlet 101, and the other side is an abandoned air Outlet 102, air purification module 2 is symmetrically distributed on the outer periphery of fresh air duct 1, air purification module 2 includes coarse filter 201, high efficiency filter 202, VOC decomposition filter 203, ultraviolet lamp 204, clean air outlet 205, fresh air duct from inside to outside 1. The part in contact with the purification module 2 is a hollow air hole. The power box 3 is located at the entrance of the fresh air duct 1, including the fresh air coarse filter 301 and the fan 302. The electric air valve 4 is located at the outlet 102 of the fresh air duct 1. The surface of the polypropylene coarse filter 201 is modified by spraying an antibacterial agent, the antibacterial agent being chitin. The high-efficiency filter screen 202 is made of polytetrafluoroethylene. The VOC decomposition filter 203 is made of a catalyst supported by a porous material, the porous material is activated carbon, and the catalyst is a noble metal catalyst Pd. The installation method is shown in Figure 6. The fresh air inlet 101 and the abandoned air outlet 102 are installed outdoors, the air purification module 2 is located indoors, and the two air purification modules 2 are installed in series. Two sets of air purification modules are installed indoors. Install in parallel. The VOC removal rate is greater than 90%, and the interception efficiency of dust greater than 0.3 μm is higher than 99.97%.
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