HEAT EXCHANGER

摘要

PURPOSE: A heat exchanger is provided to simplify the structure by simply arranging a coil type heat exchange unit in a housing. CONSTITUTION: A heat exchanger comprises a housing(10), a heat exchange unit, and a burner(30). The housing has a front opening, an internal space(11), and a top combustion gas exhaust port(12). The heat exchange unit is arranged in the internal space of the housing, with water inlet and outlet exposed out of the housing and a hollow central portion. The burner has a sealing cover(31) which closes the front opening of the housing and a flame part(32) which is arranged in the hollow central portion of the heat exchange part and generates flame.