| 摘要 |
PROBLEM TO BE SOLVED: To provide a filtration concentrating device which suppresses the protrusion of a head tank joined to a filtering tank and can make the filtering tank compact in size.SOLUTION: A filtering tank 2 comprises, at the sidewall 51 of the filtering tank, a coupler accommodation part 60 formed by recessing a portion related to a coupler to the outside, and a head tank 4 has a width not larger than a width reaching a tank external end of the coupler accommodation part 60 from a tank outside face of the sidewall 51 of the filtering tank, and is arranged along the sidewall 51 of the filtering tank at the lower side of the coupler accommodation part 60. |
