CN204293566U - A kind of waste gas treatment equipment adopting ultraviolet catalytic technology - Google Patents

A kind of waste gas treatment equipment adopting ultraviolet catalytic technology Download PDF

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CN204293566U
CN204293566U CN201420702969.9U CN201420702969U CN204293566U CN 204293566 U CN204293566 U CN 204293566U CN 201420702969 U CN201420702969 U CN 201420702969U CN 204293566 U CN204293566 U CN 204293566U
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waste gas
catalytic
gas treatment
nano titanium
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刘齐鑫
石角
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Guangzhou Xin Ao Environmental Protection Equipment Engineering Co Ltd
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Abstract

本实用新型公开了一种采用紫外光催化技术的废气处理设备,包括废气收集罩、连接该废气收集罩的废气收集管、连接该废气收集管的光催化除臭装置、连接该光催化除臭装置的离心风机、连接该离心风机的出风管;光催化除臭装置包括进气口和出气口;从进气口至出气口,光催化除臭装置内部依次设有普通过滤模块、第一纳米二氧化钛催化模块、紫外线模块、第二纳米二氧化钛催化模块和活性炭过滤模块;光催化除臭装置内部形成光催化腔,第一纳米二氧化钛催化模块、紫外线模块、第二纳米二氧化钛催化模块设于光催化腔中。本实用新型采用以上结构,能有效杀灭空气中的细菌、病毒和霉菌,并化解空气中的VOC化学气体、可吸入颗粒物及异物味,确保了臭味的去除及消毒效果。

The utility model discloses a waste gas treatment device adopting ultraviolet photocatalysis technology, which comprises a waste gas collection cover, a waste gas collection pipe connected with the waste gas collection cover, a photocatalytic deodorization device connected with the waste gas collection pipe, and a photocatalytic deodorization device connected with the photocatalytic deodorization device. The centrifugal fan of the device and the air outlet pipe connected to the centrifugal fan; the photocatalytic deodorization device includes an air inlet and an air outlet; Nano titanium dioxide catalytic module, ultraviolet module, second nano titanium dioxide catalytic module and activated carbon filter module; a photocatalytic cavity is formed inside the photocatalytic deodorization device, and the first nano titanium dioxide catalytic module, ultraviolet module and second nano titanium dioxide catalytic module are located in the photocatalytic cavity. The utility model adopts the above structure, which can effectively kill bacteria, viruses and molds in the air, and dissolve VOC chemical gas, inhalable particulate matter and foreign matter smell in the air, ensuring the removal and disinfection effect of odor.

Description

一种采用紫外光催化技术的废气处理设备A waste gas treatment equipment using ultraviolet photocatalysis technology

技术领域technical field

本实用新型涉及除臭消毒发生器技术领域,具体涉及一种采用紫外光催化技术的废气处理设备。The utility model relates to the technical field of deodorization and disinfection generators, in particular to waste gas treatment equipment using ultraviolet photocatalysis technology.

背景技术Background technique

目前,传统的废气处理的方式有:喷淋吸附、生物法、静电吸附、等离子、过滤等。但是,喷淋吸附、生物法投资较大,使用调试较复杂,过滤由于需经常更换过滤材料,在高浓度废气或大气量的处理场合成本较高。由于工业废气处理场合一般要求防爆,所以静电吸附、等离子很难被采用。除此之外对于医疗污水站的废气处理,不仅需要除臭,还需要对废气消毒,但是传统的废气处理方式都不具备消毒功能,因此需要采用更加先进的废气处理设备。At present, the traditional waste gas treatment methods include: spray adsorption, biological method, electrostatic adsorption, plasma, filtration, etc. However, the investment of spray adsorption and biological method is relatively large, and the operation and debugging are more complicated. Since the filter material needs to be replaced frequently, the cost is relatively high in the treatment of high-concentration waste gas or large volume. Since explosion-proof is generally required in industrial waste gas treatment occasions, electrostatic adsorption and plasma are difficult to be used. In addition, for the waste gas treatment of medical sewage stations, not only deodorization is required, but also waste gas disinfection is required. However, the traditional waste gas treatment methods do not have the disinfection function, so more advanced waste gas treatment equipment is required.

UV高效光解氧化技术(UV:ultraviolet,紫外线)是近年来兴起的新技术,采用UV紫外光与纳米TiO2(二氧化钛)催化模块组合产生臭氧及高能粒子-OH(羟基自由基)。高能紫外光能穿透细菌病毒的细胞膜,使DNA(DNA:脱氧核糖核酸,Deoxyribonucleic acid)损伤,导致细胞失去繁殖能力,再通过-OH、O3(臭氧)进行氧化反应,彻底达到杀菌脱臭的目的。UV high-efficiency photolysis oxidation technology (UV: ultraviolet, ultraviolet) is a new technology that has emerged in recent years. It uses UV ultraviolet light and nano-TiO 2 (titanium dioxide) catalytic modules to generate ozone and high-energy particles -OH (hydroxyl radicals). High-energy ultraviolet light can penetrate the cell membrane of bacteria and viruses to damage DNA (DNA: deoxyribonucleic acid, Deoxyribonucleic acid), causing the cells to lose their ability to reproduce, and then carry out oxidation reactions through -OH and O 3 (ozone) to completely achieve sterilization and deodorization. Purpose.

实用新型内容Utility model content

本实用新型的目的在于公开了一种采用紫外光催化技术的废气处理设备,解决了现有废气处理需经常更换过滤材料,在高浓度废气或大气量的处理场合成本较高,不具备消毒功能的问题。The purpose of the utility model is to disclose a waste gas treatment equipment using ultraviolet photocatalysis technology, which solves the problem that the existing waste gas treatment requires frequent replacement of filter materials, the cost is high in the treatment of high-concentration waste gas or large volume, and there is no disinfection function The problem.

为达到上述目的,本实用新型采用如下技术方案:In order to achieve the above object, the utility model adopts the following technical solutions:

一种采用紫外光催化技术的废气处理设备,包括废气收集罩、连接该废气收集罩的废气收集管、连接该废气收集管的光催化除臭装置、连接该光催化除臭装置的离心风机、连接该离心风机的出风管;光催化除臭装置包括进气口和出气口;从进气口至出气口,光催化除臭装置内部依次设有普通过滤模块、第一纳米二氧化钛催化模块、紫外线模块、第二纳米二氧化钛催化模块和活性炭过滤模块;光催化除臭装置内部形成光催化腔,第一纳米二氧化钛催化模块、紫外线模块、第二纳米二氧化钛催化模块设于光催化腔中。An exhaust gas treatment device using ultraviolet photocatalysis technology, comprising an exhaust gas collection cover, an exhaust gas collection pipe connected to the exhaust gas collection cover, a photocatalytic deodorization device connected to the exhaust gas collection pipe, a centrifugal fan connected to the photocatalytic deodorization device, Connect the air outlet pipe of the centrifugal fan; the photocatalytic deodorization device includes an air inlet and an air outlet; from the air inlet to the air outlet, the inside of the photocatalytic deodorization device is sequentially provided with a common filter module, a first nano-titanium dioxide catalytic module, The ultraviolet module, the second nano-titanium dioxide catalytic module and the activated carbon filter module; a photocatalytic chamber is formed inside the photocatalytic deodorization device, and the first nano-titanium dioxide catalytic module, the ultraviolet module, and the second nano-titanium dioxide catalytic module are arranged in the photocatalytic chamber.

进一步,所述进气口连接所述废气收集管,所述出气口连接所述离心风机。Further, the air inlet is connected to the waste gas collection pipe, and the air outlet is connected to the centrifugal fan.

进一步,所述普通过滤模块设于所述进气口位置处,所述活性炭过滤模块设于所述出气口位置处。Further, the ordinary filter module is arranged at the position of the air inlet, and the activated carbon filter module is arranged at the position of the air outlet.

进一步,所述普通过滤模块为设有过滤棉的过滤网。Further, the common filter module is a filter net provided with filter cotton.

进一步,所述第一纳米二氧化钛催化模块和所述第二纳米二氧化钛催化模块均为纳米二氧化钛光触媒载体。Further, the first nano-titania catalytic module and the second nano-titania catalytic module are both nano-titania photocatalyst carriers.

进一步,所述紫外线模块为与所述纳米二氧化钛光触媒载体配合的至少二个紫外线灯管;紫外线灯管为特征波长185nm的紫外线灯管和特征波长254nm的紫外线灯管。Further, the ultraviolet module is at least two ultraviolet lamps matched with the nano-titanium dioxide photocatalyst carrier; the ultraviolet lamps are ultraviolet lamps with a characteristic wavelength of 185nm and ultraviolet lamps with a characteristic wavelength of 254nm.

进一步,活性炭过滤模块为设有活性炭的活性炭过滤棉。Further, the activated carbon filter module is activated carbon filter cotton provided with activated carbon.

与现有技术相比,本实用新型的有益效果:Compared with the prior art, the utility model has the beneficial effects:

本实用新型设有第一纳米二氧化钛催化模块、紫外线模块、第二纳米二氧化钛催化模块结构,采用紫外光与纳米二氧化钛催化技术,可以产生羟基自由基、臭氧、及光致空穴,能迅速有效杀灭空气中超过99%以上的细菌、病毒和霉菌,并化解空气中的VOC化学气体、可吸入颗粒物及异物味,净化气体迅速被还原为氧气和氢气;同时在出气口设有活性炭过滤模块,吸收多余的臭氧,整个系统无任何化学残留物质,不产生二次污染物,对人体和环境无害。本实用新型处理工艺采用化学与物理协同作用,确保了臭味的去除及消毒效果。The utility model is equipped with a structure of a first nano-titanium dioxide catalytic module, an ultraviolet module and a second nano-titanium dioxide catalytic module, adopts ultraviolet light and nano-titanium dioxide catalytic technology, can generate hydroxyl radicals, ozone, and photocavities, and can quickly and effectively kill Exterminate more than 99% of bacteria, viruses and molds in the air, and dissolve VOC chemical gases, inhalable particles and foreign odors in the air, and the purified gas is quickly reduced to oxygen and hydrogen; at the same time, an activated carbon filter module is installed at the air outlet. Absorb excess ozone, the whole system does not have any chemical residues, does not produce secondary pollutants, and is harmless to humans and the environment. The treatment process of the utility model adopts chemical and physical synergy to ensure the removal of odor and the effect of disinfection.

附图说明Description of drawings

为了更清楚地说明本实用新型实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those skilled in the art can also obtain other drawings based on these drawings without paying creative labor.

图1是本实用新型一种采用紫外光催化技术的废气处理设备实施例的结构示意图,图中箭头表示废气流向;Fig. 1 is a schematic structural view of an embodiment of waste gas treatment equipment using ultraviolet photocatalysis technology of the present invention, and the arrows in the figure indicate the flow direction of waste gas;

图中,1-废气收集罩;2-废气收集管;3-光催化除臭装置;31-普通过滤模块;32-第一纳米二氧化钛催化模块;33-紫外线模块;34-第二纳米二氧化钛催化模块;35-活性炭过滤模块;4-离心风机;5-出风管。In the figure, 1-exhaust gas collection cover; 2-exhaust gas collection pipe; 3-photocatalytic deodorization device; 31-common filter module; 32-first nano-titanium dioxide catalytic module; 33-ultraviolet module; 34-second nano-titanium dioxide catalytic module module; 35-activated carbon filter module; 4-centrifugal fan; 5-outlet duct.

具体实施方式Detailed ways

下面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,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

如图1所示实施例一种采用紫外光催化技术的废气处理设备,包括废气收集罩1、连接废气收集罩1的废气收集管2、连接废气收集管2的光催化除臭装置3、连接光催化除臭装置3的离心风机4、连接离心风机4的出风管5。As shown in Figure 1, an embodiment of an exhaust gas treatment device using ultraviolet photocatalysis technology includes an exhaust gas collection cover 1, an exhaust gas collection pipe 2 connected to the exhaust gas collection cover 1, a photocatalytic deodorization device 3 connected to the exhaust gas collection pipe 2, and a connecting The centrifugal fan 4 of the photocatalytic deodorization device 3 and the air outlet pipe 5 connected to the centrifugal fan 4 .

光催化除臭装置3包括进气口和出气口,进气口连接废气收集管2,出气口连接离心风机4;从进气口至出气口,光催化除臭装置3内部依次设有普通过滤模块31、第一纳米二氧化钛催化模块32、紫外线模块33、第二纳米二氧化钛催化模块34和活性炭过滤模块35。光催化除臭装置3内部设有光催化腔,第一纳米二氧化钛催化模块32、紫外线模块33、第二纳米二氧化钛催化模块34设于光催化腔中。普通过滤模块31设于进气口位置处,活性炭过滤模块35设于出气口位置处。The photocatalytic deodorization device 3 includes an air inlet and an air outlet, the air inlet is connected to the waste gas collection pipe 2, and the air outlet is connected to the centrifugal fan 4; from the air inlet to the air outlet, the inside of the photocatalytic deodorizer 3 is sequentially provided with ordinary filters module 31 , a first nanometer titanium dioxide catalyst module 32 , an ultraviolet module 33 , a second nanometer titanium dioxide catalyst module 34 and an activated carbon filter module 35 . The photocatalytic deodorization device 3 is provided with a photocatalytic chamber inside, and the first nano-titanium dioxide catalytic module 32, the ultraviolet module 33, and the second nano-titanium dioxide catalytic module 34 are arranged in the photocatalytic chamber. The ordinary filter module 31 is arranged at the position of the air inlet, and the activated carbon filter module 35 is arranged at the position of the air outlet.

普通过滤模块31为设有过滤棉的过滤网,过滤棉主要作用是除去废气中灰尘及部分颗粒物,并且保证气流的平稳。第一纳米二氧化钛催化模块32和第二纳米二氧化钛催化模块34均为纳米二氧化钛光触媒载体,紫外线模块33为与纳米二氧化钛光触媒载体配合的至少二个紫外线灯管。紫外线灯管为特征波长185nm的紫外线灯管和特征波长254nm的紫外线灯管。活性炭过滤模块35为设有活性炭的活性炭过滤棉。The ordinary filter module 31 is a filter screen provided with filter cotton, and the main function of the filter cotton is to remove dust and some particles in the exhaust gas, and to ensure the stability of the air flow. The first nano titanium dioxide catalytic module 32 and the second nano titanium dioxide catalytic module 34 are both nano titanium dioxide photocatalyst carriers, and the ultraviolet module 33 is at least two ultraviolet lamp tubes matched with the nano titanium dioxide photocatalyst carrier. The ultraviolet lamps are ultraviolet lamps with a characteristic wavelength of 185nm and ultraviolet lamps with a characteristic wavelength of 254nm. The activated carbon filter module 35 is activated carbon filter cotton provided with activated carbon.

作为对本实施例的进一步说明,现说明本实施例的工作流程:废气在离心风机4的牵引下,从废气收集罩1经过废气收集管2进入光催化除臭装置3内;在光催化除臭装置3中废气依次经过普通过滤模块31、第一纳米二氧化钛催化模块32、紫外线模块33、第二纳米二氧化钛催化模块34和活性炭过滤模块35,然后经过离心机和出风管5排出。As a further description of this embodiment, the working process of this embodiment is now described: exhaust gas enters the photocatalytic deodorization device 3 from the exhaust gas collection cover 1 through the exhaust gas collection pipe 2 under the traction of the centrifugal fan 4; The exhaust gas in the device 3 passes through the ordinary filter module 31, the first nano-titanium dioxide catalyst module 32, the ultraviolet module 33, the second nano-titanium dioxide catalyst module 34 and the activated carbon filter module 35, and then is discharged through the centrifuge and the air outlet pipe 5.

作为对本实施例的进一步说明,现说明本实施例的工作原理:在光催化除臭装置3中,经过过滤网初级过滤后的气体进入光催化腔内;由于光催化腔内设有纳米二氧化钛光触媒载体以及紫外线灯管,紫外线灯管的特征波长为185nm和254nm,254nm的光波可以直接杀灭废气中的细菌及病毒;185nm的紫外线可以使氧气分子分解,产生臭氧,臭氧也是一种氧化性极强的物质,可以杀灭废气中的细菌、病毒,同时氧化废气中的H2S,NH3等有臭味气体。紫外光在腔体内照射时,纳米二氧化钛通过紫外光的照射下,紫外线的波长能量大于半导体的禁带密度,(即紫外线的波长小于387.5nm),其价带上的电子(e-)就会被激发到导带上,同时在价带上产生空穴(h+),光致空穴有很强的氧化能力,而光生成电子具有很强的还原能力,它们可以迁移到半导体表面的不同位置与表面吸附的水分子,氧气以及污染物发生氧化还原反应。同时光致空穴(h+)可以将OH-氧化成为羟基自由基(-OH),羟基自由基具有很强的氧化性,可以杀灭废气中的细菌,同时可以氧化废气中的H2S,NH3等有害气体。整个光催化腔内的废气处理就是通过羟基自由基(-OH),臭氧及254nm波长的紫外线协同杀菌除臭,从而保证废气处理达标。经过光催化腔后的废气再通过活性炭过滤棉,其主要作用为保护作用,当废气处理除臭不完全时,活性炭可以作为最后一道屏障进行吸附除臭。当废气除臭效果较好时,活性炭可以吸附剩余的O3,确保废气出气口O3浓度符合国家标准。As a further description of this embodiment, the working principle of this embodiment is now described: in the photocatalytic deodorization device 3, the gas after the primary filtration of the filter screen enters the photocatalytic cavity; The carrier and the ultraviolet lamp tube, the characteristic wavelength of the ultraviolet lamp tube is 185nm and 254nm, the light wave of 254nm can directly kill the bacteria and virus in the exhaust gas; Strong substances, can kill bacteria and viruses in the exhaust gas, and at the same time oxidize H 2 S, NH 3 and other odorous gases in the exhaust gas. When the ultraviolet light is irradiated in the cavity, under the irradiation of the nano-titanium dioxide by the ultraviolet light, the wavelength energy of the ultraviolet light is greater than the forbidden band density of the semiconductor (that is, the wavelength of the ultraviolet light is less than 387.5nm), and the electrons (e - ) on the valence band will be are excited to the conduction band, and generate holes (h + ) in the valence band at the same time. The photo-induced holes have a strong oxidation ability, while the photo-generated electrons have a strong reduction ability, and they can migrate to the different semiconductor surfaces. The site undergoes redox reactions with surface-adsorbed water molecules, oxygen, and pollutants. At the same time, photocaused holes (h + ) can oxidize OH - into hydroxyl radicals (-OH). Hydroxyl radicals have strong oxidizing properties, can kill bacteria in exhaust gas, and can oxidize H 2 S in exhaust gas , NH 3 and other harmful gases. The waste gas treatment in the entire photocatalytic chamber is to sterilize and deodorize the waste gas through hydroxyl radicals (-OH), ozone and ultraviolet rays with a wavelength of 254nm, so as to ensure that the waste gas treatment meets the standard. After passing through the photocatalytic chamber, the exhaust gas passes through the activated carbon filter cotton. Its main function is to protect. When the exhaust gas treatment and deodorization are not complete, the activated carbon can be used as the last barrier for adsorption and deodorization. When the exhaust gas deodorization effect is good, the activated carbon can absorb the remaining O 3 to ensure that the O 3 concentration at the exhaust gas outlet meets the national standard.

本实施例一种采用紫外光催化技术的废气处理设备的其它结构参见现有技术。For other structures of an exhaust gas treatment device using ultraviolet photocatalysis technology in this embodiment, refer to the prior art.

本实用新型并不局限于上述实施方式,如果对本实用新型的各种改动或变型不脱离本实用新型的精神和范围,倘若这些改动和变型属于本实用新型的权利要求和等同技术范围之内,则本实用新型也意图包含这些改动和变型。The utility model is not limited to the above-mentioned embodiment, if the various changes or modifications of the utility model do not depart from the spirit and scope of the utility model, if these changes and modifications belong to the claims of the utility model and within the equivalent technical scope, Then the utility model is also intended to include these modifications and variations.

Claims (7)

1. adopt a waste gas treatment equipment for ultraviolet catalytic technology, it is characterized in that: comprise gas sampling cover, connect the gas sampling pipe of this gas sampling cover, connect the photo-catalytic deodorizing device of this gas sampling pipe, connect the centrifugal blower of this photo-catalytic deodorizing device, connect the discharge pipe of this centrifugal blower; Photo-catalytic deodorizing device comprises air inlet and gas outlet; From air inlet to gas outlet, photo-catalytic deodorizing device inside is provided with common filtering module, the first nano titanium oxide catalytic module, UV-module, the second nano titanium oxide catalytic module and activated carbon filtration module successively; Photo-catalytic deodorizing device inside forms photocatalysis chamber, and the first nano titanium oxide catalytic module, UV-module, the second nano titanium oxide catalytic module are located in photocatalysis chamber.
2. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as claimed in claim 1, is characterized in that: described air inlet connects described gas sampling pipe, and described gas outlet connects described centrifugal blower.
3. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as claimed in claim 2, it is characterized in that: described common filtering module is located at described air inlet position, described activated carbon filtration module is located at position, described gas outlet.
4. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as described in claim 1 or 3, is characterized in that: described common filtering module is the drainage screen being provided with filter cotton.
5. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as claimed in claim 1, is characterized in that: described first nano titanium oxide catalytic module and described second nano titanium oxide catalytic module are nano-titania photocatalyst carrier.
6. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as claimed in claim 5, is characterized in that: described UV-module is at least two quartz burners with described nano-titania photocatalyst carrier combination; Quartz burner is the quartz burner of characteristic wavelength 185nm and the quartz burner of characteristic wavelength 254nm.
7. a kind of waste gas treatment equipment adopting ultraviolet catalytic technology as described in claim 1 or 3, is characterized in that: activated carbon filtration module is the activated carbon filtration cotton being provided with active carbon.
CN201420702969.9U 2014-11-20 2014-11-20 A kind of waste gas treatment equipment adopting ultraviolet catalytic technology Expired - Fee Related CN204293566U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106422765A (en) * 2016-12-01 2017-02-22 青岛农业大学 Device and method for removing volatile organic compounds in air by photocatalysis
CN106422767A (en) * 2016-12-07 2017-02-22 东莞职业技术学院 Intelligent waste gas photolysis, deodorization and purification method and system
CN106582276A (en) * 2016-12-21 2017-04-26 重庆中鼎三正科技有限公司 Energy-saving VOC waste gas treatment equipment
CN106731588A (en) * 2016-12-30 2017-05-31 江苏七天环保科技有限公司 A kind of utilization UV light and titanium dioxide titanium plate process the environmental protection equipment of organic exhaust gas
CN110621353A (en) * 2017-05-12 2019-12-27 首尔伟傲世有限公司 Fluid treatment device
WO2022115959A1 (en) * 2020-12-03 2022-06-09 Zapbox, Inc. Air filtering device
CN115253592A (en) * 2022-07-28 2022-11-01 浙江微盾环保科技股份有限公司 Filtering device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106422765A (en) * 2016-12-01 2017-02-22 青岛农业大学 Device and method for removing volatile organic compounds in air by photocatalysis
CN106422767A (en) * 2016-12-07 2017-02-22 东莞职业技术学院 Intelligent waste gas photolysis, deodorization and purification method and system
CN106582276A (en) * 2016-12-21 2017-04-26 重庆中鼎三正科技有限公司 Energy-saving VOC waste gas treatment equipment
CN106731588A (en) * 2016-12-30 2017-05-31 江苏七天环保科技有限公司 A kind of utilization UV light and titanium dioxide titanium plate process the environmental protection equipment of organic exhaust gas
CN110621353A (en) * 2017-05-12 2019-12-27 首尔伟傲世有限公司 Fluid treatment device
WO2022115959A1 (en) * 2020-12-03 2022-06-09 Zapbox, Inc. Air filtering device
CN115253592A (en) * 2022-07-28 2022-11-01 浙江微盾环保科技股份有限公司 Filtering device

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