造纸废液碱回收治污系统的液-固旋流分离器

造纸废液碱回收治污系统的液-固旋流分离器造纸废液碱回收治污系统的液-固旋流分离器[基金项目]湖南省科学技术厅项目,编号OOSSY2010-7袁胜利,杨从明(湘潭大学,湖南湘潭411105)[摘要]用新型中小型液-固旋流分离器,使造纸黑液中的有机物、杂质、渣等固形物同碱液分离,较干净的稀碱液进入黑液蒸发器组,蒸发浓缩后回收烧碱。造纸绿液或白液和渣进入中小型新型液-固旋流分离器,快速连续运作,除去绿泥和白泥渣后成干净的澄清液,代替大型的缓慢速度重力沉降的绿液和白液澄清器、稀白液澄清器,废液经处理后达排放水标准。[关键词]旋流分离器;造纸污水净化;草浆黑液[中图分类号]X703.3;X793[文献标识码]B[文章编号]1005-829X(2003)06-0076-03Liquid-solidvortexseparators———Alkalirecoveryfrompaper2makingwastewaterinpollutioncontrolsystemsYuanShengli;YangCongming(XiangtanUniversity,Xiangtan411105,China)Abstract:Afterorganisms,impurities,residuesandothersolidsareseparatedfromalkalineliquidinthealkalirecoveryfrompaper2makingblackliquidinpollutioncontrolsystems,themedium2smallsizedliquid2solidvortexseparatorsareused.Asaresult,thecleanthinalkalineliquidgoesintotheblackliquidevaporatorsystem.Aftertheblackliquidisconcentratedbyevaporation,causticsodaisrecovered.Thegreenliquidandresiduesinpaper2makinggointoliquid2solidvortexseparator,workingrapidlyandcontinuously.Afterthegreensludgeandwhitesludgeareremov