This machine heater part adopts three layer casing structure: heatexchangemedium flow in 1 and 3, material flow in 2.
该机加热器部分采用三层套管结构：热交换介质在 1 和 3 中流动，物料在 2 中反向流动。
2
And with the compressed air and the cooling medium to exchangeheat.
并与压缩空气和冷却介质进行热量交换。
3
Thee heatexchange tube of the stainless steel is one of the elements of the heat exchanger, which is arranged inside the cylinder and is used for the heatexchange between the two medium.