To provide an ozone reducing apparatus for quickly recovering ozone after use and reducing it to oxygen.SOLUTION: Ozone generating means 3, a guide pipe line 4 and a reducing pipe line 5 are provided, and ozone generated from the ozone generating means 3 is delivered by a gas driving pump 31, and one end of the guide pipe line 4 And the other end thereof is connected to the nozzle 41 and a guide flow passage 42 and a reverse flow passage are formed in the guide pipe passage 4. One end of the guide flow passage 42 is connected to the ozone generating means 3, the other end of the guide flow path 42 communicates with the nozzle 41, a nozzle cover 44 is provided on the outer circumference of the nozzle 41, and at least one or more than two nozzles 44 are provided between the nozzle cover 44 and the nozzle 41 One end of the passage communicates with one end of the reverse flow passage, the other end of the reverse flow passage communicates with the reduction pipe passage 5, a heat generating member is provided in the reduction flow passage 5, and A ventilation hole 53 is drilled in the reduction flow path 5, and the vent hole 53 communicates with the exhaust pipe 5 Connected to a vacuum pump 55 via the 1.(FIG.【課題】オゾンの使用後に即回収し、かつ酸素に還元するオゾン還元装置を提供する。【解決手段】オゾン発生手段3とガイド管路4と還元管路5とを含んでなり、該オゾン発生手段3から発生したオゾンを気体駆動ポンプ31で送り出し、該ガイド管路4は、一端が該オゾン発生手段3に接続し、他端がノズル41に接続するとともに、該ガイド管路4内にガイド流路42と逆流路とを形成し、該ガイド流路42の一端が該オゾン発生手段3に連通し、該ガイド流路42の他端が該ノズル41に連通し、該ノズル41の外周にノズルカバー44を設け、かつ該ノズルカバー44と該ノズル41との間に少なくとも1以上の通路を形成し、該通路の一端が該逆流路の一端に連通し、該逆流路の他端は該還元管路5に連通し、該還元流路5には発熱部材を内設し、かつ該還元流路5に通気孔53を穿設し、該通気孔53が排気管531を介して真空ポンプ55に接続する。【選択図】図2
