CN113751198A - 从气流中分离物质的空气净化装置、设备和方法 - Google Patents
从气流中分离物质的空气净化装置、设备和方法 Download PDFInfo
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Abstract
根据本发明的示例性方面,提供了一种空气净化装置(1),其包括具有多个六边形开口(5)的接地蜂窝结构(2),其中所述蜂窝结构(2)由框架(3)支撑;在蜂窝结构(2)的下游设置的多个电离针(4),其中每个针(4)与蜂窝结构(2)的开口(5)的相应中心轴同轴对准;以及在针(4)的下游设置的多个集电板(8),并且所述装置(1)构造成通过通向针(4)的正电离电压产生电离电晕放电。
Description
技术领域
本发明涉及一种空气净化装置。
进一步地,本发明涉及一种包括空气净化装置和流动通道的设备。
此外,本发明涉及一种从气流中分离物质的方法。
背景技术
已知有不同的从气流中分离物质的装置和方法,例如,文献WO 2018/090990A1中公开了一种电场装置。静电除尘器包括空心的集尘杆。集尘杆接地并且通常为至少一个圆柱体的形式。所述装置可以包括形成阵列的多个圆柱体。所述装置还包括至少一个电晕棒,电晕棒固定在支架上、与电源连接并设置在至少一个圆柱体内。所述至少一个电晕棒设置在所述至少一个圆柱体的中心轴上。所述支架可以在所述至少一个圆柱体的两侧或一侧。所述支架可以是导电的金属支架、镀金属的塑料支架或非导电支架。
文献CN 105698293 A和CN 106861340 A均描述了一种空气净化装置。所述设备旨在减少臭氧的产生。每个装置包括带有开口的金属板。在金属板通道平面的中心设置有细锥形针。
基于前述内容,提供一种静电除尘器或空气净化装置是有益的。
发明内容
本发明由独立权利要求的特征限定。在从属权利要求中限定了一些特定的实施方式。
根据本发明的第一个方面,提供了一种空气净化装置。所述装置包括具有多个六边形开口的接地蜂窝结构,其中所述蜂窝结构由框架支撑;在蜂窝结构的下游设置的多个电离针或电离元件,其中至少一些电离针或电离元件与蜂窝结构的开口的相应中心轴同轴对准;以及在多个电离针的下游设置的多个集电板,并且其中所述装置构造成通过通向电离针的正电离电压产生电离电晕放电。
第一方面的各种实施方式可以包括以下项目符号列表中的至少一个特征:
·所述设备构造成使电晕放电从针的尖端扩散到蜂窝结构;
·所述针与PCB导轨连接;
·所述针局部被塑料结构包覆;
·所述PCB导轨嵌入塑料结构中;
·每个塑料结构均呈空气动力学轮廓的形式;
·每个塑料结构的横截面均呈NACA轮廓的形式;
·所述针的材料为钨、石墨、石墨烯、贵金属材料或惰性材料;
·所述针由能够承受连续电晕引起材料的氧化和还原的材料制成;
·所述装置构造成插入到流动通道中;
·所述装置为静电除尘器;
·针的尖端位于蜂窝结构下游5毫米至25毫米,例如与蜂窝结构间隔10毫米至15毫米;
·每根针都与蜂窝结构开口的相应中心轴同轴对准;
·所述装置包括直流电源;
·所述装置不包括任何额外的过滤器或过滤器系统。
根据本发明的第二方面,提供了一种包括根据本发明第一个方面所述的空气净化装置和气流通道的设备。
根据本发明的第三方面,提供了一种从气流中分离物质的方法,所述方法包括在流动通道中提供接地蜂窝结构,其中所述蜂窝结构由框架支撑,在蜂窝结构下游设置多个电离针,其中至少一些针与蜂窝结构的开口的相应中心轴同轴对准,通过通向设置在蜂窝结构下游的针的正电离电压产生电晕放电电离,并通过设置在针的下游的集电板收集物质,该集电板包括收集表面。
通过本发明的一些实施方式获得了明显的有益效果。提供了一种用于从气流中分离颗粒或液滴形式的物质的空气净化装置。
所述装置满足以下技术先进的特征:
·用正极化电压的粒子电离;
·电离板的低空气阻力的结构;
·扁平的机械结构以限制流动通道或空气通道所需空间;
·可应对恶劣环境和可移动平台的坚固结构;
·易于快速制造的结构;
·可以采用明确的合格/不合格标准的简单的生产测试方法。
电离板是静电除尘器(ESP)技术空气净化技术的一部分。与ESP收集器模块一起使用时,电离板容易维护、可清洗并提供低空气阻力的空气净化方法。该技术能够以极低的能耗运行并且还提供了节省空气流通能量(通常使用风扇来克服纤维过滤器的空气阻力)的可能性。该装置的结构可缩放成不同尺寸,可模块化维护和清洁,并允许机械手装配线。正电离电压可减少电离过程中臭氧(O3)的产生,并使活性炭过滤器脱离ESP模块成为可能。
根据本发明的一些实施方式,可以实现以下性能要求:
·空气体积容量在1200至1400m3/h之间或更高;
·前表面积在0.3至0.4m2之间;
·气流速度在1.0至2.5m/s之间或更高;
·对于0.3μm的颗粒物,单程空气净化效率>99%(带有收集器的完整装置);
·模块易于清洗,便于清洁和更换针头;
·所有组件和结构均能低压(<100Pa)水清洗。
附图说明
图1示出了根据本发明的至少一些实施方式的空气净化器的示意性透视图,
图2示出了根据本发明的至少一些实施方式的空气净化器的针的示意图,
图3示出了根据本发明的至少一些实施方式的空气净化器的框架的示意图,
图4示出了根据本发明的至少一些实施方式的另一种空气净化器的示意性透视图,
图5示出了根据本发明的至少一些实施方式的设备,
图6示出了根据本发明的至少一些实施方式的空气净化器的蜂窝结构,
图7示出了根据本发明的至少一些实施方式的设备的不同流动通道,以及
图8示出了根据本发明的至少一些实施方式的空气净化器的细节。
具体实施方式
图1示出了根据本发明的至少一些实施方式的空气净化器1的示意性透视图。所述空气净化装置1包括接地的蜂窝结构2。所述蜂窝结构2由例如如图3所示的框架支撑。换句话说,框架结构支撑电离板。
例如,所述蜂窝结构2包括多个六边形开口5。所述蜂窝结构2由相对薄的基底制成,例如,其厚度在0.5毫米至几厘米之间,例如1mm至10mm。待净化的空气沿着其中设置有空气净化装置1的流动通道(未示出)流向蜂窝结构2,然后穿过蜂窝结构2的开口5。待净化的气流可以包括呈颗粒和/或液滴形式的物质。所述蜂窝结构2可以是与框架3连接的激光切割的、蜂窝刺穿的RST金属接地板。电接地的蜂窝结构2用作第一电极。蜂窝结构2对于提供相同的形状和电离电晕放电的全覆盖至关重要。由于蜂窝结构尽可能减少了气流阻力,从而使通过电离板的压降最小化。特别是与矩形或圆形开口相比,蜂窝结构2代表最小的空气阻力,因此它是高能效的。
在蜂窝结构2的下游还进一步设置了多个电离元件,例如电离针4。多个电离针4用作与第一电极协作构成离子发生器的第二电极。至少一些针,通常为每个针4,均与蜂窝结构2的开口5的相应的中心轴同轴对准。换句话说,针的数量通常与蜂窝结构2的开口5的数量相同。蜂窝结构2的开口5的中心轴通常与气流的方向平行。如图2所示,针4通常与设置在针4的尖端下游的PCB导轨连接。针的尖端7通常设置在蜂窝接地板下游10mm至25mm,例如15mm,以便产生覆盖蜂窝结构2的每个开口5的电晕流。电离电晕放电由正电离电压产生,正电离电压通向设置在蜂窝结构2下游的一组尖针4。正电离电压减少了电离过程中臭氧(O3)的产生,并使活性炭过滤器脱离ESP模块成为可能。第二电极通常通过直流电源施加几千伏的高电压,通常在5kV至20kV之间,优选10kV至15kV之间。例如,电压是可以调整的。电晕电离流在针4的每个尖端形成,然后流向蜂窝结构2的相应的开口5的周围。充满微粒的空气流通过这些电离区域。
最终,结合图4中描述和展现的,气流流向集电板8。
图2示出了根据本发明的至少一些实施方式中的空气净化器1的针4的示意图。如图所示,针4与支撑结构6(例如PCB导轨)连接。所述PCB导轨可以为,例如,约5mm至7mm宽,并且使针4与图1所示的蜂窝结构2的相应开口5对准。因此,可以将高张力引向针4的离子产生尖端7。换句话说,以正电压产生电离放电电流,从而将臭氧的产生限制在最低限度。通常通过电路板的铜箔将电压供给针4。
针4可以局部被塑料结构11包覆,并且PCB导轨6可以嵌入所述塑料结构11中。所述塑料结构11可以呈空气动力学轮廓的形式以减小阻力和减小噪音的产生。所述空气动力学轮廓可以是,例如,呈NACA轮廓的形式或具有圆形的前缘和/或后缘。特别地,具有六边形开口的蜂窝结构和嵌入到空气动力学轮廓的形式的塑料结构11中的PCB轨道的组合提供了有益的性能。例如,针4的材料是石墨、石墨烯、贵金属材料或惰性材料。换句话说,针4由能够承受连续电晕导致材料氧化和还原的材料制成。
图3示出了根据本发明的至少一些实施方式的空气净化器的框架3的示意图。所述框架3可以是,例如,由塑料制成。在制作过程中,塑料框架具有高度的尺寸再现性。通常选择塑料材料以承受高电离电压并使泄漏电流最小化。例如,框架3可以是矩形、圆形、椭圆形或多边形。框架3的形状通常与流动通道(未示出)的内部形状一致。
根据一些实施方式,框架3设计成支撑电离部分(蜂窝结构2和带有针4的导轨6)和集电板8。集电板8与电离气流对准,它们的尺寸取决于气流A的速度。
图4示出了根据本发明的至少一些实施方式的另外一种空气净化器1的示意性透视图。可以看出,污染的气流通过蜂窝结构2。随后,由通向设置在蜂窝结构2下游的针4的正电离电压产生电离电晕放电。所述针4与PCB导轨6耦合并彼此平行且面对蜂窝结构2。所述PCB导轨6例如可以沿竖直或水平方向定向。然而,针4还可以与包含PCB导轨的网络状支撑结构连接以增加稳定性。最后,颗粒和/或液滴被设置在针4下游的集电板8收集,集电板8包括收集表面10。集电板8通常是ESP型集电板。集电板8设置成彼此平行或基本平行。相邻的集电板8之间的距离可以在3mm至10mm之间,例如5mm。集电板8的数量,例如,可以为25至50个,例如40个。集电板8进一步设置成垂直于或基本垂直于由接地的蜂窝结构2形成的平面。先前包含在污染气流中的物质可以很容易地从集电板8的收集表面10去除,例如通过用水洗涤板8。
每个第二集电板8通常均接地,其余的集电板通过直流电源施加几千伏的高电压,通常为2kV至8kV,例如5kV。例如,电压可以是可调的。
图5示出了根据本发明的至少一些实施方式的设备。可以看出,如上所述的空气净化器1设置在矩形的流动通道9内。根据一些其他的实施方式,所述流动通道9例如也可以是圆形或椭圆形的。
图6示出了根据本发明的至少一些实施方式的空气净化器1的蜂窝结构2。可以看出,在蜂窝结构2中有多个六边形开口5。蜂窝结构2包括在非常薄的壁之间形成的中空开口5的阵列,从而形成了第一接地电极,提供了较大的可以使污染空气通过的区域,将污染的空气流导向针4,从而减少阻力并减轻重量。
图7示出了根据本发明的至少一些实施方式的设备的不同的流动通道9。流动通道9可以具有任意尺寸和形状,例如为矩形、圆形或六边形的横截面。
图8示出了根据本发明的至少一些实施方式的空气净化器1的细节。针4安装在蜂窝状接地板2下游的导轨6上。每个针4与蜂窝状六边形的中心对准。电晕放电从针尖7扩散到蜂窝结构2。电晕放电覆盖整个朝向气流的区域。导轨6呈空气动力学形状并为针4提供牢固的结构。例如,由电源(未示出)提供的高电离电压通过轨道材料内部的铜箔施加到针4。
可以理解,所公开的本发明的实施方式不限于本文所公开的特定结构、工艺步骤或材料,而是扩展到相关领域的普通技术人员公认的其等同物。还应该理解,本文采用的术语仅用于描述特定实施方式的目的,而不是限制性的。
在说明书中对一个实施例或一个实施方式的引用意味着结合该实施方式描述的特定特征、结构或特性包含在本发明的至少一个实施方式中。因此,在说明书中各处出现的短语“在一个实施例中”或“在一个实施方式中”不一定都指的是同一实施方式。在使用诸如大约或基本上这样的用语来提及数值的情况下,也公开了确切的数值。
在本文中,为了方便,可以在共同的列表中呈现多个项目、结构要素、组成要素和/或材料。但是,应该将这些列表解释为列表中的每个单元都被单独标识为分开且独特的单元。因此,在没有相反说明的情况下,不能仅基于它们在共同组中的出现而将该列表的任何一个单元理解为等同于同一列表的任何其他单元。另外,在此可以参考本发明的各种实施方式和实施例以及用于其各种组件的替代方案。应该理解的是,这样的实施方式、实施例和替换不应被理解为彼此的实际上等同,而是应理解为是本发明的独立和自主的表示。
此外,在一个或多个实施方式中,可以以任何适当的方式组合所描述的特征、结构或特性。在说明书中,提供了许多具体细节,例如长度、宽度、形状等的示例,以便于对本发明实施方式的透彻理解。然而,相关领域的技术人员将认识到,本发明可以在缺少一个或多个特定细节的情况下,或者在利用其他方法、组件、材料等的情况下实施。在其他情况下,为了避免混淆本发明的各个方面,公知的结构、材料或操作未详细示出或描述。
尽管上述实施例在一个或多个特定应用中说明了本发明的原理,但是对于本领域的普通技术人员而言显而易见的是,可以在不付出创造性劳动且不背离本发明的原理和概念的情况下进行形式、用法和实施细节的的修改。因此,除下述权利要求以外,本发明不受限制。
动词“包含”和“包括”在本文中用作开放的限制,其既不排除也不要求还存在未列举的特征。除非另有明确说明,否则从属权利要求中记载的特征可以相互自由组合。此外,应当理解,在文件中使用“一个”或“一种”,即单数形式并不排除复数。
工业适用性
本发明的至少一些实施方式在空气净化器和/或净化空气中实现工业应用。非常适合的用途为特别是流动通道,例如在医院、隔离室、手术室、制造微芯片的工厂以及进风口和/或出风口。
附图标记清单
1 空气净化装置
2 蜂窝结构
3 框架
4 针
5 开口
6 支撑结构
7 针尖
8 集电板
9 流动通道
10 收集表面
11 塑料结构
A 气流
引用清单
专利文献
WO 2018/090990 A1
CN 105698293 A
CN 106861340 A
非专利文献
Claims (15)
1.一种空气净化装置(1),包括:
具有多个六边形开口(5)的接地蜂窝结构(2),其中所述蜂窝结构(2)由框架(3)支撑;
设置在蜂窝结构(2)下游的多个电离针(4),其中至少一些所述针(4)与所述蜂窝结构(2)的开口(5)的相应中心轴同轴对准;以及
设置在所述多个电离针(4)的下游的多个集电板(8),
其中所述装置(1)构造成通过通向所述针(4)的正电离电压产生电离电晕放电。
2.根据权利要求1所述的空气净化装置(1),其特征在于,所述装置(1)不包括任何额外的过滤器或过滤系统。
3.根据权利要求1所述的空气净化装置(1),其特征在于,所述装置(1)构造成使得电晕放电从所述针(4)的尖端(7)扩散至到所述蜂窝结构(2)。
4.根据权利要求1所述的空气净化装置(1),其特征在于,所述针(4)与支撑结构(6)以PCB导轨的形式连接。
5.根据权利要求1所述的空气净化装置(1),其特征在于,所述针(4)局部被塑料结构(11)包覆。
6.根据权利要求1所述的空气净化装置(1),其特征在于,所述塑料结构(11)均呈空气动力学轮廓的形式。
7.根据权利要求1所述的空气净化装置(1),其特征在于,所述针(4)的材料为钨、石墨、石墨烯、贵金属材料或惰性材料。
8.根据权利要求1所述的空气净化装置,其特征在于,所述针是由能够承受连续电晕引起材料的氧化和还原的材料制成。
9.根据权利要求1所述的空气净化装置,其特征在于,所述装置构造成插入流动通道内。
10.根据权利要求1所述的空气净化装置,其特征在于,所述装置为静电除尘器。
11.根据权利要求1所述的空气净化装置,其特征在于,所述针(4)的尖端(7)设置在所述蜂窝结构(2)的下游5mm至25mm。
12.根据权利要求1所述的空气净化装置,其特征在于,所述装置不包括任何额外的净化器或净化系统。
13.根据权利要求1所述的空气净化装置,其特征在于,每个针(4)都与所述蜂窝结构(2)的开口(5)的相应的中心轴同轴对准,并且所述针(4)与PCB导轨连接,所述PCB导轨嵌入到塑料结构(6)中,所述塑料结构(6)为空气动力学轮廓的形式。
14.一种设备,包括根据权利要求1-13中任一项所述的空气净化装置和流动通道(9)。
15.一种从气流中分离物质的方法,所述方法包括:
在流动通道内提供具有多个六边形开口(5)的接地蜂窝结构(2),其中所述蜂窝结构(2)通过框架(3)支撑,
提供设置在所述蜂窝结构(2)下游的多个电离针(4),其中至少一些所述针(4)与所述蜂窝结构(2)的开口(5)的相应中心轴同轴对准,
通过通向设置在蜂窝结构(2)下游的针(4)的正电离电压产生电离电晕放电,以及
通过设置在所述针(4)的下游的集电板(8)收集物质,所述集电板包括收集表面(10)。
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BR102021003312A8 (pt) | 2022-11-16 |
AU2021202873B2 (en) | 2023-01-19 |
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EP3909685A1 (en) | 2021-11-17 |
JP2023107942A (ja) | 2023-08-03 |
FI20205494A1 (en) | 2021-11-16 |
CA3109962C (en) | 2023-08-29 |
CA3109962A1 (en) | 2021-11-15 |
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US20210356148A1 (en) | 2021-11-18 |
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