| 摘要 |
PROBLEM TO BE SOLVED: To provide a water quality purifier capable of purifying water by fitting air into a lifting pipe from an air compressor and improving purifying efficiency even when the power generation quantity of a solar battery is small by weather. SOLUTION: This purifier has a lifting pipe 28 installed in a purifying treatment unit for purifying water to be treated passing through it and also extended in the up and sown directions, an air compressor for jetting air from plural air jetting parts 33, 36 arranged in the lifting pipe 28 with their positions being differentiated in the height direction, and a solar battery 45 for feeding power to the air compressor. When the power generation quantity of the solar battery 45 is small due to bad weather, the air jetting part 36 on the upper side in the height direction, that is, at the position low in water pressure is selected. |
