Backwashing Unit for Sauna filtering

摘要

The main purpose of this study is to form a vertical rotating shaft pipe at the center of the filter and connect the horizontal rotating shaft body to connect the S-shaped impeller to the upper chamber to connect the lower filter sand layer S-shaped impeller to the horizontal rotating shaft. It is a filter backwash assisting device that makes it easy to lift and remove contaminants by increasing the vortex of the filter layer and upper chamber when the rotating shaft tube rotates at the same time as injection.