| 摘要 |
In a tube-in-shell heat exchanger, each tube plate is secured along its outer edge to the shell of the heat exchanger by an intermediate annular member extending across a gap between the outer edge of the tube plate and the shell, the radial cross-section of the annular member being of arched form. Thermal insulation for the tube plates consisting of a series of plate members edge on to the tube plate and arranged parallel one to another between successive rows of the heat exchanger tubes, is also described.
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