CN105344238A - 一种利用风扇净化室内空气的方法 - Google Patents
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Abstract
本发明公开了一种利用风扇净化室内空气的方法，其在风扇出风口处设置过滤网，所述过滤网具备连接件，能与风扇的前网罩相固定连接，所述过滤网具备过滤净化单元，流通的空气经过所述过滤净化单元的处理，所述过滤净化单元包括前后叠加的第一吸附部件、催化部件和第二吸附部件。该催化剂对建筑物内空气中苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛的去除达到了0.05毫克/立方米以下，同时显著降低了循环气中的微生物含量。
Description
技术领域
本发明涉及空气净化技术领域，具体涉及一种利用风扇净化室内空气的方法。
背景技术
目前，随着经济的发展，国内大城市雾霾天气越来越多，随着雾霾天气的增多，室内空气的质量也随之下降。
霾，也称灰霾(烟雾)空气中的灰尘、硫酸、硝酸、有机碳氢化合物等粒子也能使大气混浊。将目标物的水平能见度在1000-10000米的这种现象称为轻雾或霭(Mist)。形成雾时大气湿度应该是饱和的(如有大量凝结核存在时，相对湿度不一定达到100％就可能出现饱和)。由于液态水或冰晶组成的雾散射的光与波长关系不大，因而雾看起来呈乳白色或青白色和灰色。二氧化硫、氮氧化物和可吸入颗粒物是雾霾的主要组成。
雾霾对人体产生的危害如下：
(1)对呼吸系统的影响
霾的组成成分非常复杂,包括数百种大气化学颗粒物质。其中有害健康的主要是直径小于10微米的气溶胶粒子，如矿物颗粒物、海盐、硫酸盐、硝酸盐、有机气溶胶粒子、燃料和汽车废气等，它能直接进入并粘附在人体呼吸道和肺泡中。尤其是亚微米粒子会分别沉积于上、下呼吸道和肺泡中，引起急性鼻炎和急性支气管炎等病症。对于支气管哮喘、慢性支气管炎、阻塞性肺气肿和慢性阻塞性肺疾病等慢性呼吸系统疾病患者，雾霾天气可使病情急性发作或急性加重。如果长期处于这种环境还会诱发肺癌。
(2)对心血管系统的影响
雾霾天对人体心脑血管疾病的影响也很严重，会阻碍正常的血液循环，导致心血管病、高血压、冠心病、脑溢血，可能诱发心绞痛、心肌梗塞、心力衰竭等，使慢性支气管炎出现肺源性心脏病等。
另外，浓雾天气压比较低，人会产生一种烦躁的感觉，血压自然会有所增高。再一方面雾天往往气温较低，一些高血压、冠心病患者从温暖的室内突然走到寒冷的室外，血管热胀冷缩，也可使血压升高，导致中风、心肌梗死的发生。所以心脑血病患者一定要按时服药小心应对。
(3)雾霾天气还可导致近地层紫外线的减弱，使空气中的传染性病菌的活性增强，传染病增多。
(4)不利于儿童成长。由于雾天日照减少，儿童紫外线照射不足，体内维生素D生成不足，对钙的吸收大大减少，严重的会引起婴儿佝偻病、儿童生长减慢。
同时，随着人们生活水平的提高，室内装修、新家具的添加也大幅增多。但在室内装修以及家具中，不可避免的使用各种胶或漆，从而导致对室内散发各种有机污染物，比如甲醛、苯等物质。
目前，对于这些室内污染物的处理，多是采用各种空气净化器以及活性炭吸附等，但这些设备的增加，会占用室内面积，从而增大成本。
现有的风扇，仅仅是用来转动空气，带来空气的流通，市面的风扇，并不具备任何净化功能。
所以，如何利用现有的风扇，对室内空气进行净化，是本领域面临的问题之一。
发明内容
本发明的目的在于提出一种利用现有的风扇，还对空气进行催化，将空气中的有害物质，比如氮氧化物、碳氧化物、有机气味污染比如苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛等，进行分解、氧化或/和吸附，对空气进行杀菌净化，保证室内的空气洁净。
为达此目的，本发明采用以下技术方案：
一种利用风扇净化室内空气的方法，其在风扇出风口处设置过滤网，所述过滤网具备连接件，能与风扇的前网罩相固定连接，所述过滤网具备过滤净化单元，流通的空气经过所述过滤净化单元的处理，所述过滤净化单元包括前后叠加的第一吸附部件、催化部件和第二吸附部件。
所述第一吸附部件设置有纤维过滤层，所述纤维过滤层叠加有纸质纤维物过滤层和超细玻璃纤维物过滤层。
所述催化部件设置有催化剂层，所述催化剂包括如下组分，
A)6％-20％的纳米TiO2负载的铂铈钴钾复合氧化物，其各组分的摩尔比Ti:Pt:Ce:Co:K为1:(0.05-0.1):(0.05-0.1):(0.05-0.1):(0.05-0.1)；
B)3％-8％的锆掺杂的铁钛钼复合氧化物，Zr:Fe:Ti:Mo的摩尔比为(0.02-0.2):1:(0.5-1):(0.5-1)，所述铁钛钼复合氧化物具备Fe-O-Ti、Mo-O-Ti和Fe-O-Mo结构的复合氧化物微晶体系；
C)余量的活性炭。
所述第二吸附部件设置有吸附层，所述吸附层由活性炭和载有银的纳米二氧化钛组成，其混合质量比为5:1-2:1，例如4.5:1，4:1，3.5:1，3:1等。
所述催化剂的制备方法可以采取常规的浸渍法以及其他替代方法，本领域技术人员可以根据其掌握的现有技术自由选择，本发明不再赘述。
在本发明的风扇开始工作时，风扇带动的风进入第一吸附部件，在第一吸附部件中，先后经过纸质纤维层与超细玻璃纤维层的过滤，对空气中的颗粒物以及大分子进行过滤。
随后经过滤后的空气进入催化部件，在催化部件中，空气中的有机污染物，例如甲醛等，被催化氧化，变为无害或易于吸收的其他有机物。
经催化后的空气，进入第二吸附部件。空气中被催化氧化的有机污染物被活性炭吸收，且分布于活性炭中的银，对空气中的微生物进行杀毒，从而降低了细菌的含量。
本发明通过选取特定组分A和组分B，使得该催化剂产生协同效应，使得该催化剂对建筑物内空气中雾霾PM2.5显著下降到10以内。苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛的去除达到了0.05毫克/立方米以下，同时显著降低了循环气中的微生物含量。
具体实施方式
本发明通过下述实施例对本发明的催化剂进行说明。
实施例1
一种利用风扇净化室内空气的方法，其在风扇出风口处设置过滤网，所述过滤网具备连接件，能与风扇的前网罩相固定连接，所述过滤网具备过滤净化单元，扇叶带动流通的空气经过所述过滤净化单元的处理，所述过滤净化单元包括前后叠加的第一吸附部件、催化部件和第二吸附部件。
所述第一吸附部件设置有纤维过滤层，所述纤维过滤层先后顺序叠加有纸质纤维物过滤层和超细玻璃纤维物过滤层。
所述催化部件设置有催化剂层，通过浸渍法制备得到催化剂，包括如下组分，
A)10％的纳米TiO2负载的铂铈钴钾复合氧化物，其各组分的摩尔比Ti:Pt:Ce:Co:K为1:0.1:0.1:0.1:0.1；
B)5％的锆掺杂的铁钛钼复合氧化物，Zr:Fe:Ti:Mo的摩尔比为0.1:1:1:1，所述铁钛钼复合氧化物具备Fe-O-Ti、Mo-O-Ti和Fe-O-Mo结构的复合氧化物微晶体系；
C)余量的活性炭。
所述第二吸附层由活性炭和载有银的纳米二氧化钛组成，其混合质量比为3:1。
启动所述风扇，为测试其净化功能，在新风中通入雾霾PM2.5指数为300的大气，并使得室内气体的苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛含量达到10毫克/立方米。循环空气45分钟后测试室内气体，其雾霾PM2.5指数为0，苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛含量达到0.05毫克/立方米以下。
对比例1
组分A含量15％，不含组分B，其余条件不变，其PM2.5值为34，苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛含量在0.1毫克/立方米以上。
对比例2
组分B含量15％，不含组分A，其PM2.5值为32，苯、甲苯、二甲苯、乙苯、苯乙烯、甲醛、乙醛、丙烯醛含量在0.1毫克/立方米以上。
上述实施例及对比例说明，本发明的催化剂几种组分之间以及催化剂载体之间存在特定的联系，省略或替换其中一种或几种，都不能达到本申请的特定效果，证明其产生了协同效应。
申请人声明，本发明通过上述实施例来说明本发明的催化剂，但本发明并不局限于上述催化剂，即不意味着本发明必须依赖上述详细催化剂才能实施。所属技术领域的技术人员应该明了，对本发明的任何改进，对本发明产品各原料的等效替换及辅助成分的添加、具体方式的选择等，均落在本发明的保护范围和公开范围之内。
Claims (1)
1.一种利用风扇净化室内空气的方法，其在风扇出风口处设置过滤网，所述过滤网具备连接件，能与风扇的前网罩相固定连接，所述过滤网具备过滤净化单元，流通的空气经过所述过滤净化单元的处理，其特征在于，
所述过滤净化单元包括前后叠加的第一吸附部件、催化部件和第二吸附部件，
所述第一吸附部件设置有纤维过滤层，所述纤维过滤层叠加有纸质纤维物过滤层和超细玻璃纤维物过滤层，其特征在于，
所述催化部件设置有催化剂层，所述催化剂包括如下组分，
A)6％-20％的纳米TiO2负载的铂铈钴钾复合氧化物，其各组分的摩尔比Ti:Pt:Ce:Co:K为1:(0.05-0.1):(0.05-0.1):(0.05-0.1):(0.05-0.1)；
B)3％-8％的锆掺杂的铁钛钼复合氧化物，Zr:Fe:Ti:Mo的摩尔比为(0.02-0.2):1:(0.5-1):(0.5-1)，所述铁钛钼复合氧化物具备Fe-O-Ti、Mo-O-Ti和Fe-O-Mo结构的复合氧化物微晶体系；
C)余量的活性炭；
所述第二吸附过滤吸附部件设置有吸附层，所述吸附层由活性炭和载有银的纳米二氧化钛组成，其混合质量比为5:1-2:1。
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| CN103406021A (zh) * | 2013-07-25 | 2013-11-27 | 昆明理工大学 | 一种双液相净化磷化氢的方法 |
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