| 摘要 |
PURPOSE: A circulating sedimentation drainage pipe is provided to prevent breakdown, abrasion and operation cost related with the use of valve and effectively control drainage amount of circulation water and supplementation water by performing draining and sedimentation only with the pipe. CONSTITUTION: Draining of a breeding cage(7) is performed to circulating sedimentation tank(8) via a drainage connection pipe(5) joined by connection nuts(6). A total drainage pipe(3) is installed on a total drainage path(9) for a complete drainage. An elbow-type supplementation water drainage elbow(4) is attached on top of the total drainage pipe(3) to induce natural discharge of circulation water and supplementation water.
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