CN110237679A - 基于多孔吸附和光催化的除醛装置 - Google Patents
基于多孔吸附和光催化的除醛装置 Download PDFInfo
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Abstract
本发明公开了一种基于多孔吸附和光催化的除醛装置,包括轴心线相重合的外圈组件和内圈组件,内圈组件套装在外圈组件内;在外圈组件的内表面和内圈组件的外表面所围合形成的环形空间内设置光源(6);外圈组件和内圈组件均与光源(6)固定相连。所述外圈组件由从外至内依次叠设相连的初级过滤层圈(1)、HEPA过滤层圈(2)、活性炭层圈(3)、载银竹炭层圈(4)、中级过滤层圈(5)组成;所述内圈组件由从外至内依次叠设相连的负载多孔过滤层圈(7)、活性炭布过滤层圈(8)组成。采用该除醛装置,能有效脱除甲醛等有害气体。
Description
技术领域
本发明涉及空气净化领域,具体涉及一种基于多孔吸附和光催化去除甲醛的除醛装置及其使用方法。
背景技术
甲醛是一种室内污染气体,对人体健康产生严重危害,已被列为第一类致癌物质。甲醛的去除已成为空气污染治理的第一要务。研究表明,人体长期低浓度接触甲醛,会出现头晕、乏力、免疫力降低等症状;吸入高浓度甲醛会引起人体视线模糊、声音嘶哑、胸闷、持续咳嗽甚至昏迷、死亡。甲醛的去除有很多方法,如利用绿色植物吸收甲醛,利用活性炭、分子筛等多孔吸附材料吸收甲醛,利用通风的方式也可以去除甲醛,但更多的是采用空气净化器过滤和新风系统交换的方式去除甲醛。然而,由于污染空气除了甲醛外,还有漂浮的颗粒、粉尘,其它有机污染物分子,病菌尤其是真菌孢子、病毒等,导致当前甲醛去除方法存在除醛效果不佳,过饱和吸附、二次污染、污染物相互干扰等问题。
室内除醛的方法众多,除了通风换气和植物净化法外,催化氧化法和吸附法得到广泛研究。催化氧化法主要有贵金属催化氧化和二氧化锰催化氧化两种。如CN201510659000.7介绍了以硅藻土粉体颗粒为载体负载着超细TiO2纳米带的复合结构材料具有很好的除醛效果。CN107866216A、CN108940265A等介绍了MnO2及其复合催化材料用于室温催化氧化甲醛。吸附法是利用吸附材料如活性炭、活性氧化铝、沸石分子筛、活性炭纤维、气凝胶等,其中又以活性炭用途更为广泛。但应该看到,贵金属催化氧化法成本高,不合适推广应用,活性炭表面与甲醛结合性差,吸附容量低,易饱和或产生二次污染,制约着活性炭在除醛技术及装置中的应用。分析认为,单一技术是无法彻底脱除甲醛,而采用多种技术复合,光催化和吸附组合、光催化和等离子组合、催化氧化和等离子体组合,进行梯次或分次脱除是可能实现甲醛等有害气体的完全脱除。
近年来,已有较多的除醛装置的报道。如CN 108619854 A、CN207478245U、CN108554167A、2013107138592、2016207387325、CN207654928U、CN207324509U、CN107519738A、CN107313366A、CN108246007A等诸多专利公开许多种高效除甲醛装置,原理有多孔吸附除醛,生物除醛,也有光催化氧化除醛,主要是改变HEPA过滤层、活性炭过滤层、光触媒灭菌、除臭层等结构方式,从而实现高效除醛。但这些除醛装置结构过于复杂,并存在风阻大、除醛过程受其他污染物影响等问题,制约着除醛过程及空气净化。
发明内容
本发明要解决的技术问题是提供一种基于多孔吸附和光催化的除醛装置,其能有效脱除甲醛等有害气体。
为了解决上述技术问题,本发明提供一种基于多孔吸附和光催化的除醛装置,包括轴心线相重合的外圈组件和内圈组件,所述内圈组件套装在外圈组件内;
在外圈组件的内表面和内圈组件的外表面所围合形成的环形空间内设置光源;所述外圈组件和内圈组件均与光源固定相连。
作为本发明的基于多孔吸附和光催化的除醛装置的改进:
所述外圈组件由从外至内依次叠设相连的初级过滤层圈、HEPA过滤层圈、活性炭层圈、载银竹炭层圈、中级过滤层圈组成;
所述内圈组件由从外至内依次叠设相连的负载多孔过滤层圈、活性炭布过滤层圈组成;
在中级过滤层圈的内表面和负载多孔过滤层圈的外表面所围合形成的环形(圆环形)空间内设置光源;
所述中级过滤层圈、负载多孔过滤层圈均与光源固定相连。
作为本发明的基于多孔吸附和光催化的除醛装置的进一步改进:
所述负载多孔过滤层圈(7)采用阶层多孔块体材料负载可见光催化材料,所述可见光催化材料为二氧化钛及掺杂二氧化钛、钨酸铋、钒酸铋。
作为本发明的基于多孔吸附和光催化的除醛装置的进一步改进:
阶层多孔块体材料负载光催化材料的制备方法为:将15~25g(优选20g)可见光催化材料加入至100g去离子水中,再加入(7±1)mL的0.01M的盐酸溶液混合后制备成浸渍液;
将所述浸渍液与100g阶层多孔块体材料进行混合,浸渍处理80~120分钟(在摇床中常温摇80~120分钟),并超声处理(5±1)分钟,过滤,所得滤饼干燥(60℃干燥至恒重),得到阶层多孔块体材料负载可见光催化材料(阶层多孔块体材料负载光催化材料)。
阶层多孔块体材料为按照ZL 201410188449.5《阶层多孔氧化硅的制备方法》实施例1-1制备而得。
阶层多孔块体材料负载光催化材料,是以阶层多孔块体材料为载体负载光催化材料制备而成,借助多孔二氧化硅捕捉甲醛,以及光催化材料降解甲醛,从而高效去除甲醛。
作为本发明的基于多孔吸附和光催化的除醛装置的进一步改进:
所述初级过滤层圈(1)选用过滤精度在5~10微米的材料,例如PP材料;用于过滤毛发、灰尘等大颗粒悬浮物;
所述HEPA过滤层圈(2)选用能过滤0.3μm微米级的微小颗粒的材料,例如为H11级高效过滤材料,用于抵挡致病细菌;
所述活性炭层圈(3)选用活性炭,例如为高品质活性炭颗粒,可吸附甲醛等有害物质,有效去除空气中的异味;
所述载银竹炭层圈(4)选用负载纳米银或银离子的活化竹炭;
所述负载纳米银或银离子的活化竹炭的制备方法为常规技术,可采用活化竹炭物理浸渍负载纳米银或银离子制备而得,主要用于除菌,去除甲醛、氨、苯、TVOC等污染物,可释放纯氧负离子,保证空气清新;
所述中级过滤层圈(5)选用过滤棉,用于将活性炭层圈(3)、载银竹炭层圈(4)、HEPA过滤层圈(2)未能阻挡的超细粉尘进行再次过滤;
所述活性炭布过滤层圈(8)选用活性炭布(活性炭布过滤层),主要用于去除烟雾、微颗粒以及甲醛分解产物,高效净化空气。
作为本发明的基于多孔吸附和光催化的除醛装置的进一步改进:
所述光源(6)为紫外光、氙气灯、LED灯、荧光灯。
本发明的基于多孔吸附和光催化的除醛装置,具有以下技术优势:
1、除醛装置360度进风,七层过滤净化,实现高效除醛。
2、光源,能激发负载多孔过滤层圈中的光催化剂;受污染的空气分别经过各层而流出从而实现净化,在去除了甲醛的同时,还能去除空气中漂浮的颗粒、粉尘、病菌,达到净化空气的目的。
3、采用光催化和吸附组合,进行梯次或分次脱除,实现甲醛等有害气体的基本完全脱除。
附图说明
下面结合附图对本发明的具体实施方式作进一步详细说明。
图1为本发明提供的多孔吸附和光催化的除醛装置的外表示意图;
图2为图1中A-A的剖面示意图;
图3是本发明提供的除醛装置在模拟仓内甲醛降解率随着时间的变化曲线。
具体实施方式
下面结合具体实施例对本发明进行进一步描述,但本发明的保护范围并不仅限于此:
实施例1、一种基于多孔吸附和光催化的除醛装置,如图1和图2所述,包括轴心线相重合的外圈组件和内圈组件;内圈组件套装在外圈组件内,所述外圈组件和内圈组件均为圆形圈状物。
在外圈组件的内表面和内圈组件的外表面所围合形成的圆环形空间内设置光源6;外圈组件和内圈组件均与光源6固定相连;
具体如下:
外圈组件由从外至内依次叠设相连的初级过滤层圈1、HEPA过滤层圈2、活性炭层圈3、载银竹炭层圈4、中级过滤层圈5组成;即,上述5者依次相互接触连接;两两之间可设置卡槽的形成;从而便于安装和更换。卡槽结构(例如由凹槽和凸条组成)为常规技术,因此在本发明中不详细进行描述。上述两两之间也可依靠常规的螺丝结构相连。
内圈组件由从外至内依次叠设相连的负载多孔过滤层圈7、活性炭布过滤层圈8组成;即,上述两者相互接触连接;可设置卡槽的形成实现连接。
在中级过滤层圈5的内表面和负载多孔过滤层圈7的外表面所围合形成的圆环形空间内设置光源6;所述光源6可选用以下任一:紫外光、氙气灯、LED灯、荧光灯。
中级过滤层圈5的内表面与光源6固定相连,负载多孔过滤层圈7的外表面与光源6固定相连。
负载多孔过滤层圈7采用阶层多孔块体材料负载钨酸铋(阶层多孔块体材料负载可见光催化材料),其制备方法为:
阶层多孔块体材料为按照ZL 201410188449.5《阶层多孔氧化硅的制备方法》实施例1-1制备而得;可见光催化材料选用钨酸铋;
将20g可见光催化材料钨酸铋加入至100g去离子水中,再加入7mL的0.01M的盐酸溶液混合后制备成浸渍液;
将浸渍液与100g阶层多孔块体材料进行混合,在摇床中常温摇100分钟,从而实现浸渍处理;再进行常规的超声处理5分钟,取固态物干燥(60℃干燥至恒重),得到阶层多孔块体材料负载钨酸铋。
初级过滤层圈1、HEPA过滤层圈2、活性炭层圈3、中级过滤层圈5、活性炭布过滤层圈8所用的材料均能通过常规市购的形式获得:
初级过滤层圈1选用过滤精度在5~10微米的PP;用于过滤毛发、灰尘等大颗粒悬浮物;
HEPA过滤层圈2选用能过滤0.3μm微米级的微小颗粒的高效HEPA(Highefficiency particulate air)滤网,例如为H11级高效过滤材料,用于抵挡致病细菌;
所述活性炭层圈3选用活性炭,例如为高品质的活性炭颗粒,可吸附甲醛等有害物质,有效去除空气中的异味;
所述中级过滤层圈5选用过滤棉,用于将活性炭层圈3、载银竹炭层圈4、HEPA过滤层圈2未能阻挡的超细粉尘进行中级再过滤一次;
所述活性炭布过滤层圈8选用活性炭布(活性炭布过滤层),主要用于去除烟雾、微颗粒以及甲醛分解产物,高效净化空气。
载银竹炭层圈4选用负载银离子的活化竹炭,为采用常规的活化竹炭物理浸渍负载纳米银或银离子制备而得,主要用于除菌,去除甲醛、氨、苯、TVOC等污染物,可释放纯氧负离子,保证空气清新;其制备方法具体为:
A、先将竹炭经KOH活化处理,得活化竹炭(此为常规技术);
以20~30目的竹炭为原料,先将KOH与水按照1:1的质量比混合,得浸泡液;将竹炭放入浸泡液中浸泡24h;竹炭与浸泡液中的KOH的用量为1:1;浸泡结束后,于130℃干燥24小时;再在氮气气氛下于800℃进行保温活化1小时;
B、取100g活化竹炭,加入6mmol/L的硝酸银乙醇溶液10ml,搅拌混合8h,300℃真空热处理2小时;得负载银离子的活化竹炭。
在本发明中,选用粒状物作为材料的,例如选用活性炭的活性炭层圈3、选用负载银离子的活化竹炭的载银竹炭层圈4、采用阶层多孔块体材料负载钨酸铋的负载多孔过滤层圈7,可事先装入符合其粒径要求的网格(菱形或田字形)内,然后再制成所需的环形;而初级过滤层圈1、HEPA过滤层圈2、中级过滤层圈5、活性炭布过滤层圈8可直接制成所需的环形。
实验1、
初级过滤层圈1的厚度为0.5mm;HEPA过滤层圈2的厚度为16.5mm;活性炭层圈3的厚度为6mm;载银竹炭层圈4的厚度为13mm;中级过滤层圈5的厚度为2mm;负载多孔过滤层圈7的厚度为16mm;活性炭布过滤层圈8的厚度为0.8~1mm;光源6的为DC12V,功率14W,710LM白光;整个除醛装置的高度约为80cm,外径(外直径)约为40cm。
该基于多孔吸附和光催化的除醛装置实际使用时,将整个除醛装置作为过滤芯安装在壳体(有底无盖的圆桶)内,过滤芯的外表面与壳体之间保持间距,在过滤芯的正上方(即,出风口处)安装引风机;在引风机的作用下,壳体内形成负压,待处理空气从过滤芯的外表面与壳体之间的间距处360度进风,流入过滤芯内,即,依次经过初级过滤层圈1、HEPA过滤层圈2、活性炭层圈3、载银竹炭层圈4、中级过滤层圈5、光源6、负载多孔过滤层圈7、活性炭布过滤层圈8后从活性炭布过滤层圈8的内腔中向上出风,从而实现室内空气的净化。
引风机可由双风轮组成,一组强力吸风,迫使空气从壳体四周进入过滤芯;另一组风轮将已过滤好的空气通过V型扩口送至所需的室内位置。
将该1个上述装置放入体积为3m3的模拟仓内,使得仓内甲醛浓度控制在10mg/m3,打开引风机进行甲醛降解,每隔十分钟进行一次仓内的甲醛浓度检测,并做记录,等最终仓内甲醛浓度不再下降后停止。当净化装置开启3小时后,甲醛降解率几乎不再变化,最大降解率维持在90%左右(图3)。
最后,还需要注意的是,以上列举的仅是本发明的若干个具体实施例。显然,本发明不限于以上实施例,还可以有许多变形。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形,均应认为是本发明的保护范围。
Claims (6)
1.基于多孔吸附和光催化的除醛装置,其特征在于:包括轴心线相重合的外圈组件和内圈组件,所述内圈组件套装在外圈组件内;
在外圈组件的内表面和内圈组件的外表面所围合形成的环形空间内设置光源(6);所述外圈组件和内圈组件均与光源(6)固定相连。
2.根据权利要求1所述的基于多孔吸附和光催化的除醛装置,其特征在于:
所述外圈组件由从外至内依次叠设相连的初级过滤层圈(1)、HEPA过滤层圈(2)、活性炭层圈(3)、载银竹炭层圈(4)、中级过滤层圈(5)组成;
所述内圈组件由从外至内依次叠设相连的负载多孔过滤层圈(7)、活性炭布过滤层圈(8)组成;
在中级过滤层圈(5)的内表面和负载多孔过滤层圈(7)的外表面所围合形成的环形空间内设置光源(6);
所述中级过滤层圈(5)、负载多孔过滤层圈(7)均与光源(6)固定相连。
3.根据权利要求2所述的基于多孔吸附和光催化的除醛装置,其特征在于:
所述负载多孔过滤层圈(7)采用阶层多孔块体材料负载可见光催化材料,所述可见光催化材料为二氧化钛及掺杂二氧化钛、钨酸铋、钒酸铋。
4.根据权利要求3所述的基于多孔吸附和光催化的除醛装置,其特征在于:
阶层多孔块体材料负载可见光催化材料为:将15~25g可见光催化材料加入至100g去离子水中,再加入(7±1)mL的0.01M的盐酸溶液混合后制备成浸渍液;
将所述浸渍液与100g阶层多孔块体材料进行混合,浸渍处理80~120分钟,然后超声处理(5±1)分钟,取固态物干燥,得到阶层多孔块体材料负载可见光催化材料。
5.根据权利要求1~4所述的基于多孔吸附和光催化的除醛装置,其特征在于:
所述初级过滤层圈(1)选用过滤精度在5~10微米的材料,所述HEPA过滤层圈(2)选用能过滤0.3μm微米级的微小颗粒的材料,所述活性炭层圈(3)选用活性炭,所述载银竹炭层圈(4)选用负载纳米银或银离子的活化竹炭;所述中级过滤层圈(5)选用过滤棉,所述活性炭布过滤层圈(8)选用活性炭布。
6.根据权利要求1~4所述的基于多孔吸附和光催化的除醛装置,其特征在于:
所述光源(6)为紫外光、氙气灯、LED灯、荧光灯。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112439268A (zh) * | 2020-10-16 | 2021-03-05 | 苏州兔妈妈环保科技有限公司 | 一种过滤气体的过滤滤芯及净化方法 |
CN114768440A (zh) * | 2022-04-20 | 2022-07-22 | 温州理工学院 | 一种建筑工地环境防护用降尘装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103979547A (zh) * | 2014-05-06 | 2014-08-13 | 浙江大学 | 阶层多孔氧化硅的制备方法 |
CN206094337U (zh) * | 2016-09-20 | 2017-04-12 | 北京华钛高科科技有限公司 | 一种圆筒式光催化室内空气净化器 |
CN207271057U (zh) * | 2017-02-20 | 2018-04-27 | 四川旭航新材料有限公司 | 一种光催化室内空气净化器 |
CN207445901U (zh) * | 2017-10-23 | 2018-06-05 | 淮北师范大学 | 一种室内甲醛处理净化装置 |
CN109012162A (zh) * | 2018-08-29 | 2018-12-18 | 西北工业大学 | 一种带杀菌的多级去除室内甲醛装置 |
CN109012756A (zh) * | 2018-09-17 | 2018-12-18 | 南京景铄新材料科技有限公司 | 一种具有高稳定性的光催化材料及其制备方法 |
CN109078489A (zh) * | 2018-08-29 | 2018-12-25 | 西北工业大学 | 一种可旋转无间断吸附-降解为一体的室内空气净化装置 |
-
2019
- 2019-05-28 CN CN201910450742.7A patent/CN110237679A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103979547A (zh) * | 2014-05-06 | 2014-08-13 | 浙江大学 | 阶层多孔氧化硅的制备方法 |
CN206094337U (zh) * | 2016-09-20 | 2017-04-12 | 北京华钛高科科技有限公司 | 一种圆筒式光催化室内空气净化器 |
CN207271057U (zh) * | 2017-02-20 | 2018-04-27 | 四川旭航新材料有限公司 | 一种光催化室内空气净化器 |
CN207445901U (zh) * | 2017-10-23 | 2018-06-05 | 淮北师范大学 | 一种室内甲醛处理净化装置 |
CN109012162A (zh) * | 2018-08-29 | 2018-12-18 | 西北工业大学 | 一种带杀菌的多级去除室内甲醛装置 |
CN109078489A (zh) * | 2018-08-29 | 2018-12-25 | 西北工业大学 | 一种可旋转无间断吸附-降解为一体的室内空气净化装置 |
CN109012756A (zh) * | 2018-09-17 | 2018-12-18 | 南京景铄新材料科技有限公司 | 一种具有高稳定性的光催化材料及其制备方法 |
Non-Patent Citations (2)
Title |
---|
贺格平等主编: "《半导体材料》", 31 August 2018, 冶金工业出版社 * |
邹建新等编著: "《钒钛功能材料》", 31 March 2019, 冶金工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112439268A (zh) * | 2020-10-16 | 2021-03-05 | 苏州兔妈妈环保科技有限公司 | 一种过滤气体的过滤滤芯及净化方法 |
CN114768440A (zh) * | 2022-04-20 | 2022-07-22 | 温州理工学院 | 一种建筑工地环境防护用降尘装置 |
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