DRYING SYSTEMS

209

Besides the cylinders over which the web passes, each dry felt has one or
more additional cylinders over which it runs on its return journey, in order

I

2

*2

o

to be dried Hiis is commonly called the 'felt dryer'. The number of
cylinders required oa a machine depends on a great many things—the lengda
and mesh of tke wire, the number of suction boxes, the weight of Ac coodb