| 摘要 |
<p>Apparatus for agitating and aerating a liquid, the apparatus including a liquid inlet 37 and a liquid outlet 34 located above the inlet, a first passageway 53 extending upwardly from the inlet to communicate with a restricted passageway 50, said first passageway 53 progressively decreasing in cross- sectional area toward said restricted passageway, a second passageway extending upwardly from the restricted passageway to the liquid outlet 34, and gas outlet means for expelling gas into the restricted passageway, the second passageway defining an expansion chamber for gas and liquid emerging from the restricted passageway. <IMAGE></p> |
