Tertiary heat exchanger

摘要: A tertiary heat exchanger having three sets of adjacent ducting, two stacked within the third, all which carrying exchange mediums so that carried by one medium in any set a ducting is efficiently transferred to other two. Two are tubing and this spirally coiled container third ducting. The alternating layers fluid flow opposite directions each layer tubing. Outlet channels provided at various points along helical path as alter effective length