Method of drying roving products

摘要

A system and method of drying wet items including roving packages, cakes and bobbins (112) of wound wet glass fibers and/or wet glass fiber strand(s) by first preheating the wet items using waste hot gases (110) coming from any source including a glass furnace, a dryer or a heat engine (106) operating to generate electrical power prior to removing much, most or all of the moisture in the wet roving packages, cakes and bobbins (112) using a dielectric or microwave oven (122), to save energy, reduce drying costs and to increase the capacity of dielectric or microwave dryers.