| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation device in which a troublesome handling of a prior art deodoring filter caused by its frequent replacement work can be eliminated, not only oil mist but also offensive odor substance can be removed and its continuous odor-removing performance is excellent. SOLUTION: A storing part 10 made of material to collect and remove at least oil mist and offensive odor substance contained in the exhaust air is mounted in an air exhausting system of an air discharging duct 2 placed in a kitchen or the like. There are provided circulation ducts 11A and 11B for feeding exhaust air from one side of an exhausting system having the material storing part 10 mounted therein and returning it the other side of the exhausting system so as to firm a circulating system. There is also provided means 12 for circulating heated air in the circulating system and heating the material. |
