| 摘要 |
The present invention relates to a welded plate heat exchanger. More specifically the welded plate heat exchanger has a structure of preventing heat damage caused by welding. Provided is the welded plate heat exchanger which comprises: a heat exchanging unit formed as a plurality of plates are stacked; a case accommodating the heat exchanging unit inside, having first and second inlet openings at opened both ends respectively, and equipped with a first discharging opening located as adjacent to the second inlet opening, and a second discharging opening located as adjacent to the first inlet opening; a first inlet unit covering the first inlet opening; a first flange member welded to an external surface of the case to enclose the first inlet opening; a second flange member welded to the external surface of the case to enclose the second inlet opening; a first inlet member covering the first inlet opening as welded to the first flange member; and a second inlet member covering the second inlet opening as welded to the second flange member. |
