| 摘要 |
Heat exchanger for stationary medium whose exchange surface 2 is formed by elements developed with large area on a cylinder, a polyhedron, a truncated cone or a truncated pyramid, carrying a lower manifold 3 and an upper manifoled 4. The whole is surmounted by a pipe 5 causing the draught (suction), connected to the upper manifold 4. The open surface inside the lower manifold 3 is closed by the leaktight end wall 6. <IMAGE>
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