This configuration enables double-sided coating at the speed of up to 50m/min.
Single path dryer consists of three types of heating zones:
(1) Preheating, (2) Constant-Rate Drying, (3) Decreased-Rate Dryingzones
Different technique is employed in each zone.
Airfoil provides gentle heating to avoid poor adhesion and cracking.
This is where a majority of solvent is evaporated at a constant rate. More heat is applied in this zone.
To remove residual solvent at a decreased rate, floating nozzles are used to heat the web from top and bottom.
TEXMAC Inc.
http://www.texmac.com/staticpages/index.php/hirano_coater
