... frequently, so the breaking time is shortened greatly. Model “D” hydrapulper, hydrapurgerⅡ, drum screen, ragger and grapple make up ... for multilayer paper board, head box, waste water treatment equipment, various rolls for paper industry and so on.C. ... reel, soft or hard calender, rewinder, sheet cutter. Model D Hydrapulper/Continuous Pulping and Discharging System/Waste paper pulping equipment