This machine heater part adopts three layer casing structure: heat exchange medium 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
The utility model relates to the technical field of the water heater, in particular to a casing of air heat pump water heater.
本实用新型涉及热水器技术领域，特指一种空气热泵热水器的壳体。
3
The industrial clothes dryer with recyclable heat quantity of the machine body further comprises a casing; the heater and the drying shed are mounted in an inner chamber of the casing;