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Cryogenic tank unit to retain cryogenic fluid, and method for loading a cryogenic storage space with cryogenic fluid
Cryogenic tank unit to retain cryogenic fluid, and method for loading a cryogenic storage space with cryogenic fluid
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机译:用于保持低温流体的低温罐单元以及用于向低温存储空间加载低温流体的方法
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摘要
"CRYGENIC TANK UNIT TO HOLD A CRYGENIC FLUID, AND METHOD FOR LOADING A CRYGENIC STORAGE SPACE WITH A CRYGENIC FLUID". The cryogenic liquid storage tank incorporates a dead space vessel that provides a dead space. The dead space vessel communicates via a dead space line with a loading line that provides cryogen to a cryogenic space. The junction where the dead space line and the load line meet has a certain cross-sectional area. Downstream of the junction within the loading line, measured with reference to the direction of cryogenic flow during a cryogenic space loading course, the cross-sectional area is larger than that of the junction. This creates a pressure reduction at the joint during a loading stroke that causes a net flow of material from the dead space during the loading stroke. Once the cryogenic tank is full of liquid causing the cryogen to be redirected through the dead space line, the smaller cross-sectional area of the dead space line, compared to the loading line, causes a reduction in the flow rate. cryogen, which is detected by the charging pump, causing charging to the dead space to be interrupted. A means of draining the dead space vessel before and during loading of the storage tank is provided.
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