| 摘要 |
<p>PURPOSE:To easily purify water by generating an ascending water current in a water lifting cylinder vertically set in a comparatively shallow lake, etc., and dispersing a solid processing agent in the running water with the aid of the ascending water current. CONSTITUTION:An ascending water current is generated in the water lifting cylinder set at an appropriate position in comparatively shallow lake, marsh, pond, or river, and a solid processing agent such as a flocculant (e.g., polyaluminum chloride) or a seaweed killer (e.g., copper sulfate) is dispersed in the running water with the aid of the ascending water current. By this method, the water in the vicinity of the water lifting cylinder is circulated and agitated, and the solid processing agent is dispersed. For example, a floating chamber 54 is provided above and on the outside of the water lifting cylinder 1, a nozzle 55 and an air supply hose 57 are inserted into the lower inside, and a ring 56 for discharging the solid processing agent and a liq. supply hose 58 are furnished at the intermediate part. As a result, the amt. of dissolved oxygen is increased, fine solids are precipitated, seaweed is killed, and the water can be easily purified.</p> |
