指出在头部滚筒作为驱动滚筒的布置系统中，胶带最大应变、力及张力位置不在驱动滚筒相遇点，而在过渡段第一组槽形托辊处。
It points out that the position of the maximum strain, stress and tension is at first group trough type roller, not at passing poion of pulley if the head drum works as pulley.
烘干部分：(干燥机)由输送辊、减速机、托辊链条、链轮、主风道、回风道、排气系统及分配器组成。
Drying part: drier including conveyor roller reduction drive roller chain wheel main wind channel circle wind channel exhaust and distributor.
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