| 摘要 |
An air circulating device for a greenhouse is provided to maintain a comfortable environment in the greenhouse by a photocatalyst diffusing part. An air circulating device(1) for a greenhouse(H) comprises: a housing(10) which has a ventilating opening; an air blowing part which has a motor(23) and an air blowing fan(21) and is placed at one side of the ventilating opening; a photocatalyst diffusing part(40) which diffuses photocatalysts by the air blowing part; and a diffusion part which has a heater and is placed at the other side of the ventilating opening. The photocatalyst diffusing part comprises: an air guide(33) which is combined with the housing; a thermally-conductive plate(35) which has plural air holes and is placed at a fixed distance from the housing; and a diffusing plate(31) which is placed at a fixed distance from the thermally-conductive plate. The heater is in the form of plural space heaters(50) placed at the thermally-conductive plate and the diffusing plate, and the photocatalyst diffusing part includes a photocatalyst lamp.
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