Structure of air purifier filtering device

• Main Authors: YUAN GUOWEN, ZENG YONGHUI, WENG TONGSHENG, HUANG ZHONG
• Format: Patent
• Language: Chinese; English
• Published: 11.12.2013
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a structure of an air purifier filtering device. The structure is characterized by comprising a primary filtering layer, a secondary filtering layer and an efficient filtering layer, wherein the primary filtering layer is located on the top face of the filtering device, is provided with an upper surface which can be cleaned by a dust sucking device, and is also provided with large-diameter pores for filtering hairs and fragment particles; the secondary filtering layer is matched with the lower surface of the primary filtering layer and is provided with a middle-diameter pores for filtering fine particles with the size of PM10 (Particulate Matter 10) and above; the efficient filtering layer is matched with the lower surface of the secondary filtering layer and is provided with a small-diameter pores for filtering fine particles with the size of more than PM0.3 and less than PM10. The device adopts a three-layered structure and has the function of filtering fine particles with the si