| 摘要 |
<p>PURPOSE:To provide a water treatment apparatus wherein the piping group of the lower part of the water treatment apparatus is simplified and the internal clogging of the piping group is prevented. CONSTITUTION:In a water treatment apparatus wherein a treatment tank is packed with a filter medium 11 and piping 1 distributing water to be treated, waste water collecting piping 3a, washing air distributing piping 2, diffusion air distributing piping 8 and washing water distributing piping 15 are appropriately arranged, the distributing pipings arranged to the lower part of the treatment tank are constituted of common distributing piping 4 excepting the diffusion air distributing piping 8.</p> |
