| 摘要 |
A tube and shell heat exchanger having inlet and outlet manifolds (6, 7), a plurality of tubes (3) extending between the manifolds and a shell (2) extending between the manifolds and enveloping the tubes. The tube and shell heat exchanger has at least one baffle (16) through which the tubes (3) pass to locate and maintain the tubes in a spaced-apart relationship. The baffle (16) is comprised substantially in the shape of a helix of polymeric material that extends from the axis of the helix to the periphery of the helix. The tubes (3) pass through the material in a spaced-apart relationship with respect to each other and are spaced apart from the axis of the helix. The tube and shell heat exchanger is particularly intended for marine applications.
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