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《改进的喷射染色机上的深颜色还原染色棉布织物--外文翻译--纱线喷射染色控制系统设计》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、外文翻译毕业设计题目：纱线喷射染色控制系统设计原文1：Deep-colourvatdyeingofcottonknitfabriconmodifiedjetdyeingmachine译文1：改进的喷射染色机上的深颜色还原染色棉布织物原文2：Analysisofthefactorsinfluencingdyeuptakeonjetdyeingequipment译文2：喷射染色设备上影响染料吸收因素的分析Deep-colourvatdyeingofcottonknitfabriconamodifiedjetdyeing
2、machineToday,cottonclothesaredyedwithvatdyesinacontinuoussystem,withstepwiseoperationsofreducingthedyetoleucoform,soakingtheclothesinthebathunderanitrogenatmosphere,andthenholdingtheclothesinanairatmosphereforoxidation.Soaping,washing,andapplicationofvariousau
3、xiliaryagentsfollowcontinuouslytofinishtheprocessing.However,cottonknitfabric,whichisnotputintothecontinuoussystembecauseofitsoverstretchingontheconveyor,mustbevatdyedinabatchsystem,whereinhomogeneousreductionandoxidationofthedyedfabricoftenleadtosomedefectsin
4、theproduct.Thisreportdescribesanewmethodforstablevatdyeingofcottonknitfabricinabatch,especiallydeep-colourdyeing,usingamodifiedjetdyeingmachineoperatingwithouttheuseofnitrogengastopurgeoxygen.Beforedesigningthemechanicalsystemfordeep-colourdyeingwithvatdyes,wh
5、ichhasnotbeenpracticedcommerciallyuntilnow,preliminaryinformationondyediffusionincellulosicsubstrateswasobtainedusingthecellophanefilmrollmethod,bywhichdyeuptakeatthesurfaceandthediffusionbehaviourofthedyewithintherollweremeasuredquantitatively.Aswithotherdyei
6、ngprocesses,itisdesirableinvatdyeingthatthetemperaturebeashighaspossibleinordertoreducedyeingandprocessingtime.However,increasingthetemperaturetendstoresultinunevennessinthedyedfabric,resultinginvariousdefectsintheproduct.Thedyeingconditions,includingtheconcen
7、trationsofreducingagent,sodiumhydroxide,andtheweightratioofuseddyetofabric,wereexaminedbytestdyeinginanErlenmeyerflaskunderanitrogenatmosphere.Thepossibilitiesofloweringtheliquorratio,thedyeingtemperature,andthedurationofeachprocesswerealsoexaminedintheflaskex
8、periment.Thecoretechnologyforsuccessfulbatchdyeingonaproductionscaleconsistsincompletelyreducingthedyetoleucoformformoleculardispersioninthedyeingliquor,preventingairpenetrationfro
