| 摘要 |
An aeration system for liquid tanks, includes an outlet (14) from the tank through which liquid is drawn by a circulating pump (18) to which is connected a down-pipe (28) located in the tank via an inlet pipe (20) which includes an in-line venturi (22) which entrains air in the liquid. The down-pipe (28) is of greater diameter than the inlet pipe (20) and has an outlet (30) at a low-level in the tank which is adapted to release liquid and entrained air in a horizontal plane to ensure efficient dispersion of air throughout the liquid in the tank. |
