| 摘要 |
<p>A tank 1 for a doped water installation having a water feed pipe 2 with a Venturi tube 3 connected to the top of the tank and a water feed through a lower pipe 8 to the lower portion of the tank, wherein the tank is sub-divided by a movable membrane 15, the upper chamber 17 receives emulsifier, characterised by a manhole 9 in the lower portion of the tank, enabling the membrane to be fastened to the tank by a fitter gaining access from below.</p> |
