| 摘要 |
PURPOSE:To provide an air cleaning system having an increased dust collecting capacity with a small amount of air. CONSTITUTION:A groove 10 opening pointing to the inside of a room is formed on a ceiling. An air inlet 13 and an air outlet 14 are respectively provided on both sides of the groove 10. The air outlet 14 consists of an outlet 14a pointing along the groove and an outlet 14b pointing to the inside of the room. The air inlet 13 and the air outlet 14 are connected to an air cleaner 16 through a duct 15 arranged in the ceiling 6. The duct 15 communicates with an air- conditioning duct 22 connected to a heat-exchanger 19 for air-conditioning. Part of air for the air-conditioning can be utilized for the cleaning of air. Cigarette smoke in the room is removed and treated efficiently with a small amount of the air out of the air cleaner 16. |
