Hexnovas Heat Exchanger Technology Co., Ltd Spiral Heat Exchanger

How the Spiral PHE Works The spiral heat exchanger features two concentric spiral flow channels that create a true counter-current flow. Typically, the hot fluid enters at the center and flows outward toward the periphery, while the cold fluid enters at the edge and flows inward toward the center. This counter-flow configuration ensures highly efficient heat transfer.(Figue 1)Thanks to the continuous, single-channel design, the flow remains uniform with no risk of bypassing. This layout significantly reduces fouling and allows for close temperature approaches-even temperature crossing-resulting in superior heat transfer performance compared to many conventional heat exchangers. Unlike multi-pass designs, the spiral geometry prevents flow diversion due to partial clogging, ensuring consistent operation.