... ‘DR’ structure, rotor contacts with pulp frequently, so the breaking time is shortened greatly. Model “D” hydrapulper, hydrapurgerⅡ, drum screen, ragger ... :dryer cylinder, mould former for multilayer paper board, head box, waste water treatment equipment, various rolls for paper industry and so ... sheet cutter. Model D Hydrapulper/Continuous Pulping and Discharging System/Waste paper pulping equipment