| 摘要 |
PROBLEM TO BE SOLVED: To provide a filtration system capable of producing treated water of stable quality.SOLUTION: The filtration system includes turbidimeters 9a, 9b, a hardness meter 18, washing means 24, 25a, 4a, 25b, 4b, regeneration means 24, 25c, 14, a deciding means 31 of deciding the presence or absence of a demand for carrying out a washing action in a filtration device, a deciding means 32 of deciding the presence or absence of a demand for carrying out a regeneration action in a device for softening water, a means 33 of setting the priority order in carrying out a washing action or a regeneration action according to the turbidity and/or the hardness measured, if a demand for carrying out a washing action as well as a demand for carrying out a regeneration action are decided to be present, and a controller 35 that controls the washing means to allow the same to carry out a washing action or controls the regeneration means to allow the same to carry out a regeneration action according to the priority order having been set. |
