HH Finned tube
HH finned tube is a kind of H type finned tube. It consists of two parallelly arranged upper and lower base tubes. doulbe H fin tubes are connected together by two fins, leaving a gap in the middle. Its structure is compact. With high heat transfer efficiency, it is widely used as an enhanced heat exchange element in the flue gas waste heat recovery system of power station boilers, industrial boilers, kilns, and ship power plants.
