| 释义 |
calandria|kəˈlændrɪə|
[Sp., lit. ‘lark (bird); calander’.]
A closed cylindrical vessel with a number of tubes passing through it, used as a heat exchanger in an evaporator and, in some nuclear reactors, to separate a liquid moderator from the fuel rods and coolant.
1929B. Heastie in E. Hausbrand Evap. App. (ed. 4) xxvii. 445 The Kestner Salting Type Evaporator consists essentially of..the separator and the calandria. The separator is a large cylindrical vessel around which the calandrias are grouped. Ibid. 446 Steam is admitted to the calandria, and the liquor then passes..down into the bottom box of the calandria, up the calandria tubes, and back into the separator. 1955Bull. Atomic Sci. Feb. 72/2 Working chiefly by remote control, the intensely ‘hot’ calandria, the heart of the reactor, was removed for safe burial. 1963New Scientist 7 Nov. 305 In a tank (or ‘calandria’) which contains the heavy-water moderator there are fixed vertical tubes to contain the nuclear fuel. |