Preheating type heat exchange device of beverage preparation machinery

摘要: The utility model provides a preheating type heat exchange device of beverage preparation machinery. A boiler and sub-boiler exchanger are utilized to low-temperature drinking water in into high-temperature in, before the process water, through utilization at least one sleeve pipe exchanger, unheated is conducted with heated advance, so energy loss flowing pipelines reduced, guaranteed be boiling temperature sanitary safe mode. as enable best cooling.