| 摘要 |
An aeration apparatus, which entrains gas and circulates liquid mass. The apparatus consists of vertical tubes and a pumping device beneath the vertical tubes, all of which are constrained by a flow-confining barrel. The suction force of the pump draws down the liquid surface through the vertical tubes which induces a vortex action in each tube, and entrains gas into the center of the vortices from the gas body above the liquid surface. The entrained gas mixes with liquid and flows downward through the flow-confining barrel and is dispersed into the liquid of the tank.
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