杨木化机浆制浆工艺对成浆纤维束含量的影响

iningconsistencyisexcellent.Theshivecontentdecreasesasthenarrowrefininggapdecreasesunderthesamerefiningtimes,Theshivecontentdecreasesastherefiningtimesareincreasedunderthesamenarrowrefininggap.Theshivecontentisalmostthesameunderthenarrowgapof0.1OmmasO.05mmwhentherefiningtimesaresame.Theeffectsoftherefiningpressureontheshivecontentareobvious.Theshivecontentandtherefiningenergyconsumptiondecreaseastherefiningpressureincreases.Andisthemostobviousastherefiningpressurerisesto152r.min"1.Theresultsshowedthat,inthepretreatmentofaspenAPMP,theshivecontentandtherefiningenergyconsumptiondecreaseasthechemicaldosesofNaOHincrease.Andismoreobviousinthefirstsetpofpretreatmentthanthesecond.ThechemicaldosesofH202willnotaffecttheshivecontentandtherefiningenergyconsumption.Keywords:shivecontent,aspen,CTMP,APMP