DAM FOR AERATION BY FALLING FLOW WATER

摘要

PURPOSE:To improve the quality of water by aeration by using a movable sheathing board which can be freely inclined. CONSTITUTION:A dam for aeration is formed by setting a movable sheathing board 3 which can be freely inclined on the tiered portion 2 of a flowing water channel 1. The quality of water can be improved by adjusting the angle of the board 3.