CN205412680U - Air cleaning device - Google Patents
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- CN205412680U CN205412680U CN201620265469.2U CN201620265469U CN205412680U CN 205412680 U CN205412680 U CN 205412680U CN 201620265469 U CN201620265469 U CN 201620265469U CN 205412680 U CN205412680 U CN 205412680U
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- 238000004140 cleaning Methods 0.000 title claims description 4
- 230000001699 photocatalysis Effects 0.000 claims abstract description 13
- 238000004887 air purification Methods 0.000 claims abstract description 11
- 239000011941 photocatalyst Substances 0.000 claims abstract description 11
- 239000000084 colloidal system Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 10
- 239000006227 byproduct Substances 0.000 abstract description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 239000007800 oxidant agent Substances 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
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- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
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Abstract
本实用新型公开了一种空气净化装置，包括外壳，外壳的两端分别为进风口、出风口，外壳内部根据进出风方向顺次布置有粗过滤模块、低温等离子体发生器，在低温等离子体发生器与外壳出风口之间布置有光催化模块，该光催化模块包括紫外灯、以及位于紫外灯照射范围内且栅格状的载体板，该紫外灯与载体板分离或结合，载体板上附有光触媒胶体层。本实用新型采用的副产物处理机理与活性炭完全不同，光触媒本身不会发生变化和损耗，在紫外光的照射下可以持续不断的净化空气中污染物，无需经常更换，使用方便；另外，光催化作用和臭氧的二次氧化反应（即次生氧化剂再参与氧化）相互结合，极大地提高了废气的净化效率。
The utility model discloses an air purification device, which comprises a casing. The two ends of the casing are respectively an air inlet and an air outlet. A coarse filter module and a low-temperature plasma generator are sequentially arranged inside the casing according to the direction of the air in and out. A photocatalytic module is arranged between the generator and the air outlet of the casing. The photocatalytic module includes an ultraviolet lamp and a grid-shaped carrier plate located in the irradiation range of the ultraviolet lamp. The ultraviolet lamp is separated or combined with the carrier plate. The carrier plate With a photocatalyst colloid layer. The by-product treatment mechanism adopted by the utility model is completely different from that of activated carbon, and the photocatalyst itself will not change and lose, and can continuously purify pollutants in the air under the irradiation of ultraviolet light, without frequent replacement, and is easy to use; in addition, photocatalyst The combination of the action and the secondary oxidation reaction of ozone (that is, the secondary oxidant participates in the oxidation) greatly improves the purification efficiency of exhaust gas.
Description
技术领域 technical field
本实用新型属于工业废气净化技术领域。 The utility model belongs to the technical field of industrial waste gas purification.
背景技术 Background technique
工业革命以来，工业的蓬勃发展为人类进步提供了极大支撑，但随之产生的大量含有二硫化碳、硫化氢、粉尘等污染物的工业废气给大气造成了极大的污染，同时又给人类带来极大危害。 Since the industrial revolution, the vigorous development of industry has provided great support for human progress, but the resulting large amount of industrial waste gas containing carbon disulfide, hydrogen sulfide, dust and other pollutants has caused great pollution to the atmosphere and brought human beings to great harm.
目前，由于低温等离子体发生器技术的适用范围广、净化效率高、占地面积小、运作费用低等优良特点，以低温等离子体发生器技术为主的净化装置的研发已经受到了广泛的关注。如专利号为CN202740991U，专利名称为“低温等离子除尘除异味净化机”的装置利用低温等离子技术等一系列的作用使有味有害气体形成单个原子分子和固体颗粒的无害物质，从而达到净化作用，该装置的优点是不再单一、有针对性地净化某种有害气体，而是一次处理多种有害气体，弥补了现有传统净化效果的不足，然而低温等离子体发生器在与受污染空气的反应时会发生多种不可控的化学反应，产生的副产物（主要含有氮氧化物和臭氧），直接排放后其会对大气造成严重污染。 At present, due to the wide application range of low-temperature plasma generator technology, high purification efficiency, small footprint, and low operating costs, the research and development of purification devices based on low-temperature plasma generator technology has received extensive attention. . For example, the patent number is CN202740991U, and the patent name is "Low-temperature Plasma Dust Removal and Odor Purification Machine", which uses a series of functions such as low-temperature plasma technology to make odorous and harmful gases form single atomic molecules and solid particles of harmless substances, so as to achieve purification. , the advantage of this device is that it no longer purifies a certain harmful gas in a single and targeted manner, but treats multiple harmful gases at one time, which makes up for the deficiency of the existing traditional purification effect. A variety of uncontrollable chemical reactions will occur during the reaction, and the by-products (mainly containing nitrogen oxides and ozone) will cause serious pollution to the atmosphere after direct discharge.
针对副产物，市场上已经出现利用吸附剂对其进行再净化的技术，如专利号为ZL201210161107.5的文件公开了“一种室内空气净化装置”，该装置包括驻极体纤维过滤器、低温等离子体发生器电源、低温等离子体发生器、吸附催化床，采用吸附催化床（主要是蜂窝状的活性炭）净化等低温离子反应器产生副产物，其缺点在于：活性炭使用到一定程度后，吸附效率会下降，导致该净化装置的净化效率降低，因此需要定期更换活性炭，更换麻烦的同时成本也较高。 Aiming at the by-products, the technology of using adsorbents to repurify them has appeared on the market. For example, the document with the patent number ZL201210161107.5 discloses "an indoor air purification device", which includes an electret fiber filter, a low-temperature Plasma generator power supply, low-temperature plasma generator, adsorption catalytic bed, purification by adsorption catalytic bed (mainly honeycomb activated carbon) and other low-temperature ion reactors produce by-products. The disadvantage is that after the activated carbon is used to a certain extent, the adsorption The efficiency will drop, resulting in a reduction in the purification efficiency of the purification device. Therefore, the activated carbon needs to be replaced regularly, and the replacement is troublesome and the cost is also high.
实用新型内容 Utility model content
本实用新型意在提供一种使用方便、净化效率高的空气净化装置。 The utility model intends to provide an air purification device which is convenient to use and has high purification efficiency.
本方案空气净化装置，包括外壳，外壳的两端分别为进风口、出风口，外壳内部根据进出风方向顺次布置有粗过滤模块、低温等离子体发生器，在低温等离子体发生器与外壳出风口之间布置有光催化模块，该光催化模块包括紫外灯、以及位于紫外灯照射范围内且栅格状的载体板，该紫外灯与载体板分离或结合，载体板上附有光触媒胶体层。 The air purification device of this scheme includes a shell, and the two ends of the shell are air inlet and air outlet respectively. The inside of the shell is arranged with a coarse filter module and a low-temperature plasma generator in sequence according to the direction of the air in and out. A photocatalytic module is arranged between the tuyeres, and the photocatalytic module includes an ultraviolet lamp and a grid-shaped carrier plate located in the irradiation range of the ultraviolet lamp. The ultraviolet lamp is separated or combined with the carrier plate, and a photocatalyst colloid layer is attached to the carrier plate .
有益效果：废气经过粗过滤模板时被滤除了大型颗粒物，废气再经过低温等离子体发生器时（该反应器内部的高压电极电离缝隙中的空气介质会产生低温等离子体），低温等离子体发生器形成的大量高能活性粒子可分解废气中的挥发性有机物，从而使大部分废气污染物被消除，但是此步骤会产生副产物。副产物与废气形成混合气流，再通过光催化模块，由于附有光触媒胶体层的载体板呈栅格状，副产物可充分与光触媒胶体层充分地接触，且在紫外灯光照，氮氧化物在光触媒的催化作用下转化为硝酸根离子被分解，臭氧在紫外线下被分解为活泼的次生氧化剂，次生氧化剂再将混合气流中产于的挥发性有机物氧化。本发明副产物处理机理与活性炭完全不同，光触媒本身不会发生变化和损耗，在紫外光的照射下可以持续不断的净化空气中污染物，无需经常更换，使用方便；另外，光催化作用和臭氧的二次氧化反应（即次生氧化剂再参与氧化）相互结合，极大地提高了废气的净化效率。 Beneficial effects: when the exhaust gas passes through the coarse filter template, large particles are filtered out, and when the exhaust gas passes through the low-temperature plasma generator (the air medium in the high-voltage electrode ionization gap inside the reactor will generate low-temperature plasma), the low-temperature plasma generator The formation of a large number of high-energy reactive particles can decompose the volatile organic compounds in the exhaust gas, so that most of the exhaust gas pollutants are eliminated, but this step produces by-products. The by-products and exhaust gas form a mixed flow, and then pass through the photocatalytic module. Since the carrier plate with the photocatalyst colloid layer is in the form of a grid, the by-products can fully contact with the photocatalyst colloid layer, and under the ultraviolet light, the nitrogen oxides in the Under the catalysis of the photocatalyst, it is converted into nitrate ions and decomposed, and ozone is decomposed into active secondary oxidants under ultraviolet light, and the secondary oxidants oxidize the volatile organic compounds produced in the mixed airflow. The by-product treatment mechanism of the present invention is completely different from that of activated carbon, and the photocatalyst itself will not change and lose, and can continuously purify pollutants in the air under the irradiation of ultraviolet light, without frequent replacement, and is easy to use; in addition, photocatalysis and ozone The combination of the secondary oxidation reaction (that is, the secondary oxidant participates in the oxidation) greatly improves the purification efficiency of exhaust gas.
进一步地，所述光催化模板位于载体两端且沿外壳内壁延伸的铝箔反射层，用于反射紫外线、提高光催化反应效率，并防止紫外线透过外壳壳壁对人造成伤害。 Further, the photocatalytic template is located at both ends of the carrier and the aluminum foil reflective layer extending along the inner wall of the housing is used to reflect ultraviolet rays, improve the efficiency of photocatalytic reactions, and prevent ultraviolet rays from penetrating through the outer shell wall to cause harm to people.
进一步地，所述载体板与外壳内壁通过密封胶固定，保证气密性。 Further, the carrier board and the inner wall of the casing are fixed by a sealant to ensure airtightness.
进一步地，所述载体板紫外灯通过螺栓固定在载体板的中心格内，使得光催化模块的光照更加均匀。 Further, the ultraviolet lamp of the carrier plate is fixed in the center grid of the carrier plate by bolts, so that the illumination of the photocatalytic module is more uniform.
进一步地，紫外灯容易损坏，如与载体板连接，拆卸时需要将两者整体取出，而紫外灯通过螺栓与外壳内壁连接，便于单独拆卸紫外灯。 Furthermore, the ultraviolet lamp is easily damaged, such as being connected to the carrier board, the two need to be taken out as a whole when disassembled, and the ultraviolet lamp is connected to the inner wall of the housing through bolts, which is convenient for disassembling the ultraviolet lamp alone.
进一步地，所述外壳截面为方形，载体板呈九宫格形，载体板外壁与外壳内壁形状吻合。 Further, the shell has a square cross section, the carrier plate is in the shape of a nine-square grid, and the outer wall of the carrier plate matches the shape of the inner wall of the shell.
进一步地，所述光触媒胶体层为二氧化钛胶体层，具体强烈的催化降解作用。 Further, the photocatalyst colloidal layer is a titanium dioxide colloidal layer, which has a strong catalytic degradation effect.
进一步地，所述粗过滤模块为不锈钢板，避免锈蚀。 Further, the coarse filter module is made of stainless steel to avoid corrosion.
附图说明 Description of drawings
图1为本实用新型实施例空气净化装置的结构示意图； Fig. 1 is the structural representation of the utility model embodiment air cleaning device;
图2为图1中载体板的结构示意图。 FIG. 2 is a schematic structural diagram of the carrier plate in FIG. 1 .
具体实施方式 detailed description
下面通过具体实施方式对本实用新型作进一步详细的说明： The utility model is described in further detail below by means of specific embodiments:
说明书附图中的附图标记包括：外壳1、进风口2、出风口3、电源4、负压风机5、不锈钢过滤网6、低温等离子体发生器7、载体板8、紫外灯9、铝箔反射层10。 The reference signs in the drawings of the specification include: housing 1, air inlet 2, air outlet 3, power supply 4, negative pressure fan 5, stainless steel filter 6, low-temperature plasma generator 7, carrier board 8, ultraviolet lamp 9, aluminum foil reflective layer 10.
实施例1 Example 1
空气净化装置,如附图1所示，包括截面为方形的外壳1，外壳1左端开有进风口2、右端开有出风口3。外壳1内部由左至右依次布置有负压风机5、不锈钢过滤网6、低温等离子体发生器7、光催化模块，负压风机5用于将工业废气引入外壳1内部。外壳1的外壁上通过耳板固定有电源4。 The air purification device, as shown in accompanying drawing 1, comprises a square shell 1 with a cross section, the left end of the shell 1 is provided with an air inlet 2, and the right end is provided with an air outlet 3. The inside of the housing 1 is arranged in sequence from left to right with a negative pressure fan 5, a stainless steel filter 6, a low-temperature plasma generator 7, and a photocatalytic module. The negative pressure fan 5 is used to introduce industrial waste gas into the housing 1. A power supply 4 is fixed on the outer wall of the housing 1 through ear plates.
不锈钢过滤网6的网边通过螺栓固定在外壳1内壁上，本实施例中只使用一组不锈钢过滤网6，实际应用时，可设置多组不锈钢过滤网6，提高颗粒物质的过滤效果。低温等离子体发生器7与外壳1内壁通过密封胶和螺栓的方式固定连接，电源4的输电线通过外壳1上的通孔与低温等离子体发生器7连接，该通孔处也采用密封胶密封粘接，低温等离子体发生器7启动时采用基压4KV～15KV、高压30KV～50KV的脉冲电晕放电，反应器内部的高压电极电离缝隙中的空气介质会产生低温等离子体。 The edge of the stainless steel filter screen 6 is fixed on the inner wall of the shell 1 by bolts. In this embodiment, only one set of stainless steel filter screen 6 is used. In actual application, multiple sets of stainless steel filter screens 6 can be set to improve the filtering effect of particulate matter. The low-temperature plasma generator 7 is fixedly connected to the inner wall of the housing 1 by means of sealant and bolts, and the power line of the power supply 4 is connected to the low-temperature plasma generator 7 through a through hole on the housing 1, and the through hole is also sealed with sealant Bonding, the low-temperature plasma generator 7 starts with a pulsed corona discharge with a base voltage of 4KV-15KV and a high voltage of 30KV-50KV, and the high-voltage electrode inside the reactor ionizes the air medium in the gap to generate low-temperature plasma.
光催化模板由载体板8、紫外灯9和铝箔反射层10构成，该载体板8如图2所示呈九宫格形，其表面均匀喷涂纳米级二氧化钛胶体层作为光触媒。载体板8的板边与外壳1内壁通过密封胶粘接密封，载体板8固定后其左、右两侧的外壳1内壁上粘接（此处可使用普通粘接胶）铝箔反射层10，载体板8每侧的铝箔反射层10沿外壳1轴向上的长度为10cm。载体板8的中心格上通过螺栓固定紫外灯9。 The photocatalytic template is composed of a carrier plate 8, an ultraviolet lamp 9 and an aluminum foil reflective layer 10. The carrier plate 8 is in the shape of a nine-square grid as shown in FIG. The edge of the carrier board 8 and the inner wall of the housing 1 are bonded and sealed with a sealant. After the carrier board 8 is fixed, the aluminum foil reflective layer 10 is bonded to the inner wall of the housing 1 on the left and right sides of the carrier board 8 (ordinary adhesive can be used here). The aluminum foil reflective layer 10 on each side of the carrier plate 8 has a length of 10 cm along the axial direction of the housing 1 . The ultraviolet lamp 9 is fixed on the center lattice of the carrier plate 8 by bolts.
实施例2 Example 2
与实施例1的不同之处在于，紫外灯9通过螺栓固定在外壳1内壁上，紫外灯9位于低温等离子体发生器7与载体板8之间，或者载体板8与出风口3之间。 The difference from Embodiment 1 is that the ultraviolet lamp 9 is fixed on the inner wall of the housing 1 by bolts, and the ultraviolet lamp 9 is located between the low-temperature plasma generator 7 and the carrier plate 8 , or between the carrier plate 8 and the air outlet 3 .
以上所述的仅是本实用新型的实施例，方案中公知的具体结构及特性等常识在此未作过多描述。应当指出，对于本领域的技术人员来说，在不脱离本实用新型结构的前提下，还可以作出若干变形和改进，这些也应该视为本实用新型的保护范围，这些都不会影响本实用新型实施的效果和专利的实用性。本申请要求的保护范围应当以其权利要求的内容为准，说明书中的具体实施方式等记载可以用于解释权利要求的内容。 What is described above is only the embodiment of the utility model, and common knowledge such as the specific structure and characteristic known in the scheme is not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the utility model, some deformations and improvements can also be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the utility model. Effects of novel implementations and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474892A (en) * | 2016-12-13 | 2017-03-08 | 山东中车华腾环保科技有限公司 | A kind of air cleaning unit and ventilating system and track train |
| CN106669414A (en) * | 2017-01-05 | 2017-05-17 | 上海玖富环保科技有限公司 | Waste gas treatment equipment |
| CN107174879A (en) * | 2017-04-18 | 2017-09-19 | 上海英宇环保科技有限公司 | A kind of plasma air purifier |
| WO2018133044A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市泽智知识产权有限公司 | Air purification device |
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2016
- 2016-04-01 CN CN201620265469.2U patent/CN205412680U/en not_active Expired - Fee Related
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| CN106474892A (en) * | 2016-12-13 | 2017-03-08 | 山东中车华腾环保科技有限公司 | A kind of air cleaning unit and ventilating system and track train |
| CN106669414A (en) * | 2017-01-05 | 2017-05-17 | 上海玖富环保科技有限公司 | Waste gas treatment equipment |
| WO2018133044A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市泽智知识产权有限公司 | Air purification device |
| CN107174879A (en) * | 2017-04-18 | 2017-09-19 | 上海英宇环保科技有限公司 | A kind of plasma air purifier |
| CN108404666A (en) * | 2018-03-07 | 2018-08-17 | 上海海事大学 | A kind of marine diesel tail gas denitrification apparatus |
| CN111359428A (en) * | 2020-02-22 | 2020-07-03 | 深圳市太鸟科技有限公司 | Indoor air purification device |
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