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    • 3. 发明授权
    • Method and apparatus for collecting and chilling wastewater and like fluid samples
    • 用于收集和冷却废水和类似流体样品的方法和装置
    • US06658876B1
    • 2003-12-09
    • US10118436
    • 2002-04-08
    • Michael J. RichardsonHardy C. Richardson, III
    • Michael J. RichardsonHardy C. Richardson, III
    • F25D1702
    • G01N1/2035F25D17/02F25D31/003G01N1/42G01N2001/1043
    • A method and apparatus for collecting and chilling wastewater samples and the like provides an insulated sample container vessel that has cooling coils therein for direct contact and heat transfer with a liquid in the container to rapidly cool the liquid. A refrigeration unit keeps the cooling coils cool. The liquid can be a sample which is required to be stored at 1-3 degrees Centigrade. The chiller is different from similar chillers in that the cooling coils simply are inserted in an insulated container, and can be removed therefrom when it is desired to transport the sample. The sample remains cool during transportation even without the cooling coils. The cooling coils are arranged in the ice chest such that coolant from the chiller enters through the upper coils and exits through the lower coils, causing the liquid sample in the upper part of the container to cool more than the sample in the lower part of the container. The liquid sample drifts down to the bottom, and the warmer sample in the container drifts upwardly, so there is no need for a mechanical stirrer to circulate the sample to make it uniformly cool. The container has a fitting that enables a selected sample to be added to the container interior while the container remains closed.
    • 用于收集和冷却废水样品等的方法和装置提供了一种绝缘的样品容器容器,其在其中具有冷却盘管,用于与容器中的液体直接接触和传热以快速冷却液体。 制冷单元保持冷却盘管冷却。 液体可以是需要在1-3摄氏度储存的样品。 冷却器与类似的冷却器不同,因为冷却盘管简单地插入绝缘容器中,并且当需要运送样品时可以从其中取出。 即使没有冷却盘管,样品在运输过程中保持冷却。 冷却盘管布置在冰箱中,使得来自冷却器的冷却剂通过上部盘管进入并通过下部盘管离开,导致容器上部的液体样品比下部的样品冷却 容器。 液体样品向下漂移到底部,并且容器中较暖的样品向上漂移​​,因此不需要机械搅拌器来循环样品以使其均匀地冷却。 容器具有一个配件,使得所选样品能够在容器保持关闭的同时被添加到容器内部。