| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas dissolution device capable of suppressing the outflow of large bubbles.SOLUTION: In a dissolution tank 2 of a gas dissolution device 1, a ridge-like uneven part M wherein recessed parts M1 and projecting parts M2 continue is provided along the upper end 4a of a second partition wall 4 partitioning an intermediate tank 7 and a gas-liquid separation tank 8, a highest water level in time of the overflow of a fluid 5 above the second partition wall 4 is set to be not more than the upper end of the projecting part M2 of the ridge-like uneven part M, and the fluid 5 passes inside the recessed parts M1 of the ridge-like uneven part M. |
