| 摘要 |
PROBLEM TO BE SOLVED: To provide water purification equipment which is superior in resource saving by using separation materials in cycles, can make the separation materials lap with draining water off efficiently when the separation materials are metals such as magnesium or iron, can regulate recycling rate of the separation materials in accordance with water quality of raw water, and is superior in efficiency of water purification, maintainability, purification stability and water purification ability.SOLUTION: Water purification equipment comprises: a water treatment tank; an inner cylinder unit provided inside the water treatment tank; a water purification unit provided between an outer cylinder unit and the inner cylinder unit of the water treatment tank; a separation materials supplying unit arranged above the water purification unit; an upper raw water feeding unit arranged above the water purification unit and/or a lower raw water feeding unit arranged at a lower side of the outer cylinder unit; an introducing opening of the separation materials and raw water formed at the bottom side of the inner cylinder unit and communicating with the water purification unit; a separation materials discharging unit discharging the separation materials from the upper part side of the inner cylinder unit to the water purification unit; a screw arranged rotatably on the about central axis of the inner cylinder unit; a drive unit rotating the screw; and a pure water discharging unit arranged at the outer cylinder unit. |
