HEAT EXCHANGE DEVICE

A heat exchange device comprises a housing (11), a heat exchange core (30) arranged in the housing (11), and a fixing structure (20) for the heat exchange core (30). The housing (11) is formed by an upper side plate, a lower side plate (112), a front side plate (113), a rear side plate (114), a left side plate (115), and a right side plate (116). The heat exchange core (30) is inserted and arranged in the housing (11) in a vertical direction. The fixing structure (20) for the heat exchange core is formed by a handle (21), a guiding piece (22), and a guiding groove (23). The handle (21) and the guiding piece (22) are integrally formed and are arranged at two sides of the heat exchange core (30), the guiding groove (23) is formed by a first guiding groove (231) and a second guiding groove (232), the first guiding groove (231) is provided on the front side plate (113) and is in integral forming with the front side plate (113), and the second guiding groove (232) is provided on a middle plate (15) opposite to the