| 摘要 |
[Problem] To provide a method for manufacturing a baffle plate for a heat exchanger, the method being configured so that, even if the distance between the heat transfer pipes is small, burrs, strain, cracks, etc. are not formed and so that the gap between holes can be maintained constant. [Solution] A multi-pipe heat exchanger (1) comprises: heat transfer pipes (2) for allowing a first fluid, which is to be subjected to heat exchange, to flow therein; headers (5) provided at the opposite ends of the heat transfer pipes (2); and a baffle plate (3) mounted to the outer peripheral portions of the heat transfer pipes (2). When manufacturing the baffle plate (3), ring-shaped ring members (31a) into which the heat transfer pipes (2) can be inserted are formed, the formed ring members (31a) are arranged, and the gaps between the ring members (31a) are filled with a brazing material (32) to form the baffle plate (3). Alternatively, sheath pipes (31) into which the heat transfer pipes (2) can be inserted are arranged side-by-side and brazed, and the baffle plate (3) is formed by cutting the sheath pipes (31) in the direction transverse the axes thereof. |
