| 摘要 |
<p>A vessel suitable for use as a tube heat exchanger or reformer, comprising a shell (2), a first tube sheet (4) and a second tube sheet (5) which are made of metal and preferably of steel, and a plurality of tubes (3) arranged inside the vessel to form a tube bundle between the first tube sheet and the second tube sheet; each of said tubes has a first end and a second end sharing a simply supported link (12, 13) with the first tube sheet or second tube sheet, respectively, in such a way that the tubes are easily extractable from the vessel; said tubes (3) are made preferably of a ceramic material and can be coated or impregnated with a catalyst.</p> |
