| 摘要 |
PROBLEM TO BE SOLVED: To efficiently use a filter by equalizing distribution of air passing through the filter in a unit for processing ozone and paper powder. SOLUTION: A 1st duct 5 and a 2nd duct 6 are positioned on a rear side in an air passing direction in the ozone and paper powder processing unit 2. The 1st duct 5 is positioned on the upper part of the unit 2, and the 2nd duct 6 is positioned on the left side surface thereof. Air currents from the 1st duct 5 and that from the 2nd duct 6 cross each other on the periphery of a connection part, and make the air whirling just in front of the dust-proof filter 4. Thus, almost all the surface of the filter 4 is utilized. |
