| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an air cleaning equipment without requiring much labor and time to supply and discharge water, capable of being used for a long period without changing the soils and capable of feeding much dried air even in a wide space at a low cost. SOLUTION: This equipment consists of the soil bed provided with a first bed 1 of coarse grain, a second bed of fine grain, a third bed 3 of medium grain and a mixing preventive layer 4 at least between the second bed 2 and third bed 3, a substrate 10 with a vent 14 furnished below a soil bed housing part, a blower 22 connected to the vent 14 through a feed pipe 20, a filter 21 interposed between the vent 14 and blower 22, a drainage 23 for discharging the water accumulated in the vent 14 and a water feeder 30 for storing the waste water from the drainage 23 in a water storage tank 27 and supplying water in the tank 27 to a plant. A plant 35 is planted in the soil bed, and the air passed through the plant 35, soil bed and vent 14 and cleaned is supplied into a room by the blower 22 from a feed passage connected to the feed pipe 20.</p> |
