1000t-y高效保水劑生產(chǎn)工藝設(shè)計.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文1000ty高效保水劑生產(chǎn)工藝設(shè)計姓名：林建申請學(xué)位級別：碩士專業(yè)：材料工程指導(dǎo)教師：李鐵虎廖列文20040618J4.Irr業(yè)盡廠_程映學(xué)位論又ABSTRACTHighPerformanceWaterHoldingAgentisakindofsuperabsorbentpolymer(SAP)beingusedforwaterkeepingandwatersavinginagricultureforestryh

2、orticultureetc.becauseofitsdistinctivewaterabsorbingandwaterpreservingproperties.AtpresenttherequirementofSAPinChinaislargewhileitsqualityispoorandtheoutputislowthereforeitissignificanttobuildsomefactoriesinwhichhighqual

3、itySAPcanbeproduced.BasedonthestudyonSAPformanyyearsandaccordingtotheprinciplesofadvancedtechnologycredibletechnicseconomicalandoptimizedsystemThisdesignforSAPfactorywascompleted.Themainrawmaterialsincludacrylicacidandhy

4、drogensalvolatileandthereactionofpolymerizationiscompletedinwater.Themainprocessisasfollows:acrylicacidbeingpartiallyneutralizedbyhydrogensalvolatileinwaterandthemixturepolymerizedatnormaltemperatureinspecialreactiontray

5、underexistenceofmixedinitiatorandcrosslinkingagent.Theproductwasmadeintograinsbydisintegratorthendriedandsmashedintofinalproduct.Thecharacteristicsofthistechnologyareasfollows:Acrylicacidisdirectlyneutralizedbyhydrogensa

6、lvolatilesolidwhichdissolvingreactorisnotneededthereactioniscarriedatnormaltemperaturethereactorisakindofingotalgridtraymadebypolypropylenetheproductismadeintograinsbydisintegratorandthedryingtimeisshort.Becausethedesign

7、edproductlinehasmanyadvantagessuchastheequipmentinvestmentislesstheoperationsystemismorestableandtheequipmentcancontinuousruntheSAPproductpreparedfromthisproductlinehashighqualityaheadoftheotherdomesticproducts.Themainco

8、ntentofthisdesigninclude:thereviewofproductionandapplicationsofSAPtheselectionoftechnicsthecalculationofrawmaterialsandenergythedesignofmainequipmentsthecalculationofinvestmentthearrangementofequipmentsinworkshopandconom