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1. 发明授权

US6062170A Method and apparatus for plankton reduction in fish farming 失效
标题翻译：鱼类养殖中浮游生物减少的方法和装置
公开(公告)号：US6062170A
公开(公告)日：2000-05-16
申请号：US088555
申请日：1998-06-01
申请人： Richard John Finch , D'Arcy Davidson , Rolf Lueck
发明人： Richard John Finch , D'Arcy Davidson , Rolf Lueck
IPC分类号： A01K61/00 , B63B59/00
CPC分类号： A01K61/007
摘要： Method and apparatus for reducing or eliminating the contamination by algae or phytoplankton in a fish farm (100). A series of tarpaulins (112) are suspended from buoyant members (103) which support the netting (102) of the farm (100). The tarpaulins (112) are connected at their lowermost ends (115) to a movable series of horizontal booms (122) that may take on air for positive buoyancy or which may displace the air with water for negative buoyancy. The booms (122) reciprocate on generally vertically oriented spars (113) which are maintained in position using anchors (104) and stays (111). As the booms (122) are raised or lowered, the tarpaulins (112) are similarly raised or lowered to allow or prevent algae from entering the farm (100). A water pipe (200) is maintained in position within each cage (101). Air is injected into the water pipe (200) from a compressor (214). The injected air initiates water flow upwardly within the water pipe (200). The outlet (210) of the water pipe (200) is maintained below the surface of the water within which the water pipe (200) is positioned and dispenses the air and water into the water below the water surface.
摘要翻译：用于减少或消除鱼场中藻类或浮游植物污染的方法和装置（100）。一系列防水油布（112）悬挂在支撑农场（100）的网状物（102）的浮力构件（103）上。防水油布（112）在其最下端（115）处连接到可移动的一系列水平起重臂（122），其可以承受空气用于正的浮力，或者可以用水来替代空气以进行负浮力。悬臂（122）在通常垂直定向的梁（113）上往复运动，其使用锚固件（104）和撑杆（111）保持在适当的位置。当悬臂（122）升高或降低时，防水布（112）类似地升高或降低，以允许或防止藻类进入农场（100）。水管（200）保持在每个笼（101）内的适当位置。空气从压缩机（214）喷射到水管（200）中。喷射的空气在水管（200）内向上引导水流。水管（200）的出口（210）保持在水管（200）所在的水面的下方，并将空气和水分散到水面下面的水中。

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