| 摘要 |
<p>PURPOSE: To obtain a uniform temp. distribution by building a refrigerant into a tube device over the entire length near adsorbent tubes, disposing a gas circulating device into a vessel housing the same and distributing a gas flow to the overall length of a heater, cooling tubes and adsorbent tubes. CONSTITUTION: A tube bundle 12 formed by bundling the adsorbent tubes 16 is placed perpendicularly in the vessel 2 having thermally insulating layers 4. The cooler 9 and coiled tubes 13 in which the refrigerant flows are disposed in the tube bundle 12. On the other hand, the heater 14 is placed in the tube bundle 12 and the coiled tubes 13 and has heating rods 30. When a gaseous mixture is introduced into the tube bundle 12 through the tubes 46, 47, the gas, such as He, built in an internal space 8 is circulated by a fan 36 and is cooled by the coiled tubes 13 to adsorb Xe and Kr. In addition, the gas is heated by the heater 14 and expels the adsorption components, such as Kr and Xe, out of the adsorbent of the tube bundle. The gas is thus circulated by the fan 36 and the uniform temp. distribution is obtd.</p> |
