| 摘要 |
Disclosed is a ventilation purifier comprising an electric fan, characterized in that a pre-filter screen (9) and a main filter screen (16) are provided respectively on an air inlet end and an air outlet end of the electric fan, and an air-opening abutting member (4) is provided on an outer periphery of the pre-filter screen (9); a supporting seat (23) and a height and levelness adjuster (11) are provided below the electric fan. The electric fan comprises a housing (15), impellers (6) and an electric motor (13), wherein the electric motor (13) is supported on an axis of the cylindrical housing (15) by support rods or a plurality of radial guide vanes (5), the impellers (6) are mounted to an output shaft of the electric motor (13) and the impellers (6) are provided inside the air inlet end of the electric fan, and the guide vanes/support rods (5) are provided inside the air outlet end. The ventilation purifier has a high efficiency in ventilation and filtration, and a convenient installation, and can be directly used for ventilation or indoor filtering alone, and is thus economical and practical. |
