Detachable heat exchanger is due to the upper bracket between top beam and the lower support beams with thin and multiple heat transfer with corrugated plate group.The heat transfer plate group formed by two kinds of medium flow, heat transfer plate wave makes the fluid turbulence formation, and the two kinds of fluid Between the pressure difference between the support plate.Heat transfer plate in a fixed pressure plate and mobile by clamping bolts and between pressure plate Nut fastening.