Dust removal air return device

The utility model belongs to the central air -conditioning system field, concretely relates to dust removal air return device, including the air return box body, the side of the air return box body isprovided with the return air inlet, the internal corresponding return air inlet of air return box is provided with the dust remover, the filter, and closing plate and ultraviolet fluorescent tube, the ultraviolet fluorescent tube sets up in the dust remover top, the inner wall of filter and closing plate and the air return box body encloses and closes the formation filter chamber, and the side ofthe air return box body still is provided with the air outlet. The utility model discloses a set up dust removal mechanism in air return device to set up the ultraviolet fluorescent tube and disinfect, can effectively guarantee the cleanliness factor through the air of air return device output, accord with the operation requirement of hospital. 本实用新型属于中央空调系统领域，具体涉及种除尘回风装置，包括回风箱体，所述回风箱体的侧面设置有回风口，所述回风箱体内对应回风口设置有除尘器，过滤器，密封板和