... test The tub adopts Model ‘DR’ structure, rotor contacts with pulp frequently, so the breaking time is shortened greatly. ... system is used for processing OCC, AOCC, etc. The plastics, styrene and other light and heavy impurities can be discharged ... paper machinery:rewinder, pope reel, soft or hard calender, rewinder, sheet cutter. Model D Hydrapulper/Continuous Pulping and Discharging System/Waste paper ...