年产5万吨酸性染料化工厂设计摘要本设计采用了4,4'-二氨基苯磺酰苯胺(简称DASA)双重氮化,在酸性条件下与H一酸偶合,苯胺重氮化,与上述所得产物在碱性条件下偶合,然后再与间苯二胺偶合,合成出弱酸性黑NB—G染料合成工艺,并对工艺条件进行了研究
本设计主要包括整个弱酸性黑NB—G染料生产过程的工艺设计,合成工段和造粒工段的物料衡算、热量衡算及设备选型,工厂布置设计
主要设计图包括弱酸性黑NB—G染料生产工艺流程图、车间剖面图、车间平面图及全厂布置图
关键词:染料合成;酸性染料;重氮化;偶合WithanAnnualoutputof50,000tonsofaciddyeschemicalplantdesignABSTRACTThisdesignusesa4,4'-diamino-benzenesulfonylaniline(referredtoasDASA)doublenitride,inacidicconditions,coupledwithH-acid,anilinediazotization,andtheproductsderivedfromcouplingunderalkalineconditions,thenthencoupledwithm-phenylenediamine,wassynthesizedBlackNB-Gweakaciddyesynthesis,andprocessingThedesignmainlyincludestheentireprocessofureaproductionprocessdesign,synthesisandgranulationSectionofthematerialbalanceandheatbalanceselectionofequipment,factorylayoutdesign
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