Plate-fin heat exchanger end socket placing structure

The utility model relates to the technical field of heat exchangers, and provides a plate-fin heat exchanger sealing head placing structure, a sealing strip is hermetically overlaid on the inner side of a sealing strip at one end of a sealing head welding surface, the sealing strip is arranged along the direction that fluid enters and exits the sealing head, and the thickness of the sealing strip overlaid sealing strip is larger than that of the sealing head. The sealing strip is sealed and overlaid on the inner side of the sealing strip at one end of the sealing head welding face, so that the overlaid thickness meets the sealing head welding requirement, a fluid channel is prevented from being blocked, and even distribution of fluid is guaranteed by arranging the blank channel between the fin and the flow deflector. 本实用新型涉及换热器技术领域，本实用新型提供了一种板翅式换热器封头放置结构，封头焊接面一端的封条内侧密封叠加有密封条，密封条沿流体进出封头的方向布置，且密封条叠加封条的厚度大于封头的厚度，通过在封头焊接面一端的封条内侧密封叠加密封条，使得叠加厚度满足封头焊接要求，避免阻挡流体通道，通过在翅片和导流片间设有空白通道，保证了流体的均匀分布。