| 摘要 |
<p>A swirling fine-bubble generator comprising a vessel main body the inner space of which is in the shape of a cone or a cylindrical bottle with a narrow neck and which has a liquid inlet formed in a part of the inner circumferential wall of the main body and extending toward a tangential direction, a gas inlet formed in the bottom of the space, and an outlet for a swirling gas/liquid mixture which is formed at the top of the space. The bubble generator facilitates the industrial-scale generation of fine bubbles. It can be easily manufactured because it is relatively small and has a simple structure. It is effective, e.g., in the purification of water in, e.g., ponds, lakes, marshes, dams, and rivers, in sewage treatment with microorganisms, in the cultivation of fishes, aquatic animals, etc., and in elevating the amounts of oxygen and dissolved oxygen in a hydroponic solution to improve yields.</p> |
