| 摘要 |
PURPOSE: A multistage purifying device using a photochemical reaction lamp is provided to reduce manufacturing costs by obtaining high rectifying effect without coating an optical catalyst on a media. CONSTITUTION: A multistage purifying device includes a plurality of cases(2) connected to a connection pipe(1), a lamp(3) capable of photochemical reaction which is inserted into each case, and a media for purifying which is installed in the inner space of each case. The media is a screw(6a) on which the photo catalyst material is not coated. A vent or recess is formed on the screw. |
