| 摘要 |
<p>The vapour generator comprises cross-over tubes (15) joining a high temperature tube bundle (12) and a low temperature tube bundle (11). The vapour generator also comprises directing plates (26,28) for directing a heating fluid flowing from one of these tube bundles through the other one. The cross-over tubes are positioned on the side of the directing plates opposite the side thereof where the tube bundles are located in an area out of the flow of the heating fluid, thus reducing the temperature and material stresses of the cross-over tubes.</p> |
