CN102369025B - 顺序空气净化更新系统 - Google Patents
顺序空气净化更新系统 Download PDFInfo
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Abstract
顺序空气净化更新系统(sequencing air cleaning rejuvenation system)涉及一种空气净化的方法和系统。更具体地说,吸附过滤器可通过吸附作用从被污染的环境中的空气污染物和细菌去除,直至吸附过滤器(2)饱和。通过使用本发明的方法和装置,接着该吸附材料与活性氧化物在更新腔中产生反应,从而更新该吸附材料。该更新过程将空气污染物分解成无害产物且不会造成二次污染。因为吸附和更新过程可以单独发生,其不会产生噪音污染或者过量活性氧化物泄漏。与传统空气净化装置相比,本发明的顺序空气净化更新系统更加灵活,并且可在不同位置应用,特别适合于没有供电的场合。
Description
技术领域
本发明涉及空气净化,更具体地说,涉及一种用于空气净化的方法和装置。
背景技术
现在,不管是在住宅区、商业区还是工业区,室内空气质量问题越来越受到人们的关注,因为这是危害人体健康的元凶之一。空气污染物,如总挥发性有机物(TVOC)、氨、硫化氢、细菌和病毒等都将危害人体健康。而这些问题都迫切需要解决。
美国专利US7,473,074和5,042,457公开了注入新鲜空气以有效地稀释空气污染物以维持室内空气质量的方法。然而,由于所处位置的局限,可能难以获取新鲜空气,特别在难以安装通气道和气流产生装置的环境中。此外,这一方法不能消除空气污染物,而是将空气污染物转移到其它区域,这可能最终导致更严重的空气问题。
美国专利US 6,152,996,5,350,444和7,316,736公开了使用空气净化装置是改进室内空气质量的可行方案。大多数空气净化装置由气流产生装置和过滤器组成。其工作原理是当气流产生装置使空气进入空气净化装置时,过滤器将吸附空气污染物。这种类型的空气净化装置的缺陷在于:
空气污染物只是被吸附在过滤器中,而这将导致二次污染;
需要给该气流产生装置供电;
气流产生装置可能产生噪声干扰;
由于具有气流产生装置,因此这种空气净化装置的尺寸较大。
因此,本发明的目的是提供一种空气净化装置,其能够清除空气污染物和细菌但不会对环境产生干扰,也不会导致二次污染,因此可以广泛应用到各处。
发明内容
本发明的一个方面提供了一种用于清除住宅区、商业区或工业区中的空气污染物和细菌的空气净化装置。
本发明的空气净化装置包括壳体,所述壳体中有吸附过滤器、更新腔、活性氧化物产生器。在所述壳体中有一个或多个更新腔。在所述更新腔中,有一个或多个吸附过滤器和活性氧化物产生器。
吸附过滤器可从更新腔中移出并且可以将空气污染物吸附到吸附材料的多孔结构中。在吸附过滤器被空气污染物饱和时,将其送回到更新腔中进行更新。在该更新腔中,活性氧化物产生器将产生用于分解空气污染物并进行消毒的氧化物。
本发明提供了一种更新系统。在所述更新系统中,空气污染物和活性氧化物化物被局限在吸附材料的孔道中。不像气相反应,空气污染物和活性氧化物化物在纳米级的范围内彼此靠近保存,从而增强活性氧化物将空气污染物分解成无害产物(如水和二氧化碳)的效率,进而避免造成二次污染。该氧化产物非常地小,因而不能停留在这些孔道中。这些氧化产物将从孔道中扩散出来,而这些孔道又可再用于吸附空气污染物。
优选地,可在空气净化装置的更新腔中安装加热器。该加热器可提高更新腔内的温度以更有效地消毒和分解空气污染物,以及提高吸附材料更新的效率。另外,可在更新腔中配置气流产生装置。这样,活性氧化物可主动朝着吸附过滤器传送从而进行更新。
本发明的空气净化方法包括:
将吸附过滤器从空气净化装置的更新腔中取出;
所述吸附过滤器从环境中吸附空气污染物;
将所述吸附过滤器放回到所述空气净化装置的更新腔中;
从活性氧化物产生器释放活性氧化物以分解所吸附的空气污染物,更新所述吸附过滤器;
所述吸附过滤器在进行更新后可再次使用于吸附空气污染物。
本发明提供一个吸附步骤,紧随其后的是在更新腔中分解所吸附的空气污染物的步骤。这两个步骤可以在不同的时间进行,甚至可在不同的地点进行。与传统空气净化装置不同,本发明的空气净化装置在吸附过程中无需电力和气流产生装置。
此外,可依据本不同的应用来设计和制造形状和大小不同的吸附过滤器。本发明的其它优点包括不会对环境产生干扰(如产生气流和噪声)。
在吸附过滤器快要被空气污染物饱和时,采用活性氧化物更新吸附过滤器,而无需像传统的活性炭除臭器一样不时更换。更新步骤周期主要取决于吸附空气污染物的量,因此其在操作中灵活可调。
另一方面,吸附过滤器的更新可在灵活的时间、在不同的位置使用。因此本发明不会造成二次污染或者活性氧化物泄漏到处理后的环境中。因而扩大了它的应用范围并减少了操作限制。
通过使用根据本发明的空气净化装置和方法,可通过吸附作用从被污染的环境中移除空气污染物和细菌直至吸附材料饱和。接着,通过在更新腔中将该吸附材料与活性氧化物反应从而更新该吸附材料。该更新过程将空气污染物分解成无害产物且不会造成二次污染。因为吸附和更新过程可以单独发生,其不会产生噪音污染或者过量活性氧化物泄漏。与传统空气净化装置相比,本发明更加灵活,并且可在不同位置应用,特别适合没有供电的场合。
附图说明
下面将结合附图及实施例对本发明作进一步说明,附图中:
图1是根据本发明实施例的空气净化装置的示意图;
图2是根据本发明实施例的吸附过滤器的示意图;
图3是根据本发明实施例的操作方法流程图;
图4是根据本发明实施例的、安装有加热器和气流产生单元的空气净化装置的示意图。
具体实施方式
以下将结合附图对本发明的其它实施例、特征和优点,以及本发明各种实施例的结构和操作方式进行详细描述。此处出现的本发明的各个实施例是用于示例而非限制性的。
在一个实施例中(图1),本发明包括壳体1。该壳体1包围吸附过滤器2、更新腔3和活性氧化物产生器4。该吸附过滤器2和活性氧化物产生器4位于更新腔3内。所述活性氧化物产生器4产生的活性氧化物可扩散到吸附过滤器2中。该壳体是密封的,进而防止在更新过程中,过量的活性氧化物、空气污染物和细菌泄漏。在该例子中,吸附过滤器可以是固定的或是可移去的。
在另一实施例中(图2),本发明的吸附过滤器2包括透气匣5和吸附材料8。所述吸附过滤器2的形状可以是长方体、圆柱体、正六面体或是其它任何形状。吸附材料8可塞入(packed)该透气匣5中。该透气匣5包括机械支撑框架6和透气层7。该机械支撑框架6可由金属、纸、木材或塑料制成并构成吸附过滤器2的形状。透气层7可允许空气污染物或活性氧化物扩散进入吸附材料8。透气层7的材料可以是布、金属或塑料。透气层7的网格大小该小于吸附材料8的直径以防止吸附材料8流失。吸附材料8可以是活性炭、沸石、金属氧化物框架(metal oxide framework)、氧化铝、硅石或上述材料的混合物。该吸附材料8的形状可以是球形、圆柱形或长方形或不规则形状,或是直径范围在1-10mm内的小球和颗粒的形式。此外,该吸附材料8可以是覆盖有吸附颗粒或粉末的海绵。
吸附材料8的吸附能力取决于孔径大小、形状或晶体结构的定向、化学特性、亲水性和疏水性。吸附材料8可以是活性炭、沸石、金属氧化物框架(metaloxide framework)、氧化铝、硅石或上述材料的混合物。已知在住宅区、商业区和工业区中常见的空气污染物的大小在4-20埃的范围内。吸附材料8的孔径可调到4-20埃的范围内以便有效吸附空气污染物。当孔径过小时,空气污染物太大,因而不能进入到孔道中去。相反地,当孔径过大时,空气污染物太小则不能局限在吸附材料的孔道中。吸附材料8的特性可以是亲水或者是疏水的,或者是两者的物理混合物。疏水材料可用于吸附非极性空气污染物如芳香族或脂肪族烃。该亲水材料主要用于吸附极性气体污染物如氢化硫、氨、醛和烷醇。疏水材料和亲水材料的物理混合物,用于增强吸附极性和非极性空气污染物的吸附能力。催化物料(如过渡金属元素)也可结合到吸附材料8的多孔结构中,进而利用其催化能力提高空气污染物的分解速率。总之,本领域技术人员可以基于空气污染物的特性设计、选择和使用合适的吸附材料8。
在其它实施例中(参照图1),该活性氧化物产生器3的位置靠近该吸附过滤器2,活性氧化物产生器3产生的活性氧化物可以扩散到吸附过滤器2以催化氧化空气污染物。该活性氧化物产生器3可以是离子产生器、带电粒子产生器、臭氧产生器、活性氧气体产生器。该活性氧化物可以是阳离子、阴离子、带电颗粒、臭氧、自由基或任何其它活性氧化物气体。该活性氧化物可以通过电学方法产生,如静电除尘器和电晕放电、化学方法和光学方法(如UV)。活性氧化物的种类和数量的选择可基于空气污染物和细菌的性质和数量决定。
图3是根据本发明实施例的操作方法流程图。
本发明的空气净化方法包括:
1)将吸附过滤器从空气净化装置的更新腔中取出;
2)所述吸附过滤器从环境中吸附空气污染物;
3)将所述吸附过滤器放回到所述空气净化装置的更新腔中;
4)从活性氧化物产生器释放活性氧化物以分解所吸附的空气污染物,更新所述吸附过滤器;
5)所述吸附过滤器在进行更新后可再次使用于吸附空气污染物。
在其它实施例中(图4),在更新腔3中安装有两个加热器9。这两个加热器9位于三个吸附过滤器2附近。在所述更新腔3中安装有气流产生单元10。该气流产生单元10位于活性氧化物产生器4附近。该气流产生单元产生的气流朝着活性氧化物产生器4方向流动。
在前描述是本发明的优选实施例。其并非试图局限本发明。在不脱离本发明的精神和范围的情况下,可以对这些特征和实施例进行各种改变、改进或等效替换。
Claims (20)
1.一种空气净化装置,其特征在于,包括壳体、由所述壳体包围的更新腔,所述更新腔包围吸附过滤器和活性氧化物产生器,所述吸附过滤器从所述更新腔中移出以吸附空气污染物,当所述吸附过滤器放回到所述更新腔中时,所述活性氧生成器释放活性氧化物以分解所述吸附过滤器中吸附的空气污染物以更新所述更新腔;所述空气净化装置的吸附和更新的过程单独发生,且在吸附过程中无需电力和气流产生装置;所述壳体包围一个或多个更新腔;所述更新腔包围一个或多个吸附过滤器;且所述更新腔包围一个或多个活性氧化物产生器;所述壳体是密封,进而防止在更新过程中,过量的活性氧化物、空气污染物和细菌泄漏。
2.根据权利要求1所述的空气净化装置,其特征在于,所述吸附过滤器的形状是长方体、球体、圆柱体或正六面体。
3.根据权利要求1所述的空气净化装置,其特征在于,所述吸附过滤器包括透气匣和吸附材料。
4.根据权利要求3所述的空气净化装置,其特征在于,所述吸附材料塞入所述透气匣中。
5.根据权利要求4所述的空气净化装置,其特征在于,所述吸附材料是活性炭、沸石、金属氧化物框架、氧化铝、硅石或上述吸附材料的混合物。
6.根据权利要求5所述的空气净化装置,其特征在于,所述吸附材料的形状是球形、圆柱形或长方形或不规则形状。
7.根据权利要求6所述的空气净化装置,其特征在于,所述吸附材料的大小在1-10mm的范围内。
8.根据权利要求3所述的空气净化装置,其特征在于,所述吸附材料是覆盖有吸附颗粒或粉末的海绵。
9.根据权利要求4所述的空气净化装置,其特征在于,所述透气匣包括机械支撑框架和透气层。
10.根据权利要求9所述的空气净化装置,其特征在于,所述机械支撑框架的材料是金属、木材或塑料。
11.根据权利要求9所述的空气净化装置,其特征在于,所述透气层的材料是布、金属或塑料。
12.根据权利要求11所述的空气净化装置,其特征在于,所述透气层的孔径大小小于所述吸附材料的大小。
13.根据权利要求1所述的空气净化装置,其特征在于,所述活性氧化物是阳离子、阴离子、带电颗粒、臭氧、过氧化氢或自由基。
14.根据权利要求13所述的空气净化装置,其特征在于,所述活性氧化物产生器产生阳离子、阴离子、带电颗粒、臭氧、过氧化氢或自由基。
15.根据权利要求14所述的空气净化装置,其特征在于,所述活性氧化物通过电学、化学或光学方法生成。
16.根据权利要求4所述的空气净化装置,其特征在于,所述空气污染物被局限在所述吸附材料的孔道中。
17.根据权利要求16所述的空气净化装置,其特征在于,所述活性氧化物将被局限的空气污染物分解为无害产物并更新所述吸附材料的孔道。
18.根据权利要求17所述的空气净化装置,其特征在于,将高浓度的活性氧化物无泄漏地应用到所述更新腔进而提高空气污染物的分解速率。
19.根据权利要求5所述的空气净化装置,其特征在于,所述吸附材料的形状是直径范围在1-10mm内的小球和颗粒的形式。
20.一种采用权利要求1所述的空气净化装置的空气净化方法,其特征在于,所述方法包括:
1)将吸附过滤器从空气净化装置的更新腔中取出;
2)所述吸附过滤器从环境中吸附空气污染物;
3)将所述吸附过滤器放回到所述空气净化装置的更新腔中;
4)从活性氧化物产生器释放活性氧化物以更新所述吸附过滤器;
5)所述吸附过滤器可在下一次吸附中再次使用。
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