| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat exchanger hardly affected by the condensed water produced on a lower side of a tube in exchanging the heat. <P>SOLUTION: In this heat exchanger wherein a plurality of tubes 110 having an inlet tank part 110b and an outlet tank part 110c respectively communicated with an internal flow channel 114 having a flat cross-section and vertically mounted on one end part side in the horizontal direction, are stacked, and the fluid of low temperature is heated by heat exchange between a high-temperature gas including steam and flowing among the plurality of tubes 110 and a fluid of low temperature flowing in internal flow channels 114 of the tubes 110, a wall face 110e of the tube 110 is provided with a groove part 111b extended approximately in the horizontal direction and opened between the tank parts 110b, 110c, and the groove part 111b is inclined downward toward a tank part 110b side which is located at a lower side with respect to the other tank 110b, 110c. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
