A non-scaling the volume of heat exchanger: The utility model provides a non-scaling volume of heat exchanger technology program, which includes a hot water tank outlet and the outfall, as well as exchange and tank connection heat, the heat exchanger of the program is mandatory turbulent heat exchanger, the heat exchanger has a cold water inlet and outlet heating cold water, there are hot water / steam and cooling water inlet / gas outlet, the outlet of the heat and cold A diversion pipe connection, the guide tube lumen communicates with the tank by the upper tank into the water tank, the lower the outlet end of the draft tube in the tank, and the open end down; wherein the cooling water / steam outlet connection with the heat exchanger coil inlet tank, the cooling water outlet of the heat exchanger coil outside the tank / gas recovery port connection; beneath the heat exchanger coil position in the open end of the draft tube.