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1、河南城建學(xué)院本科畢業(yè)設(shè)計(jì)設(shè)計(jì)說明畢業(yè)設(shè)計(jì)題目:年產(chǎn)6000噸聚丙烯酸鈉工藝設(shè)計(jì)學(xué)院:化學(xué)與材料工程學(xué)院專業(yè):高分子材料科學(xué)與工程河南城建學(xué)院本科畢業(yè)設(shè)計(jì)設(shè)計(jì)說明設(shè)計(jì)說明本次設(shè)計(jì)是利用單體丙烯酸鈉在一定條件下,采用反相懸浮聚合原理合成聚丙烯酸鈉。本設(shè)計(jì)的任務(wù)是年產(chǎn)6000噸聚丙烯酸鈉懸浮聚合間歇操作工藝的設(shè)計(jì)。其中主要簡述了以丙烯酸和氫氧化鈉聚合性單體為主要成分,在疏水性溶劑正庚烷中經(jīng)反相懸浮聚合,制備高吸水性聚丙烯酸鈉。還介紹了聚丙烯酸鈉的性質(zhì)、特性、用途和使用舉例以及懸浮聚合的機(jī)理、體系和生產(chǎn)工藝,間
2、歇操作的特點(diǎn)及主要原料。設(shè)計(jì)主要成果如下:① 每天的理論產(chǎn)值是18181kg。實(shí)際產(chǎn)量為18552kg。實(shí)際年產(chǎn)量為6122t。直徑為2500mm配堿釜,直徑為1600mm的中和釜,直徑為2500mm的聚合釜。體積為12的分散介質(zhì)調(diào)配罐,分散介質(zhì)儲罐體積為24。材料為不銹鋼。② 主要設(shè)備:推進(jìn)式攪拌器,標(biāo)準(zhǔn)橢圓形封頭;支承式支座,釜體夾套。12的分散介質(zhì)調(diào)配罐,24的分散介質(zhì)儲罐。沉降式離心機(jī),規(guī)格為LW350×1050。配堿釜,中和釜,聚合釜,去離子水儲罐。③ 圖紙:1)工藝流程圖、2)物料流程圖、3
3、)聚合釜的裝配圖。關(guān)鍵詞:聚丙烯酸鈉物料衡算熱量衡算生產(chǎn)工藝主要設(shè)備圖工藝流程圖I河南城建學(xué)院本科畢業(yè)設(shè)計(jì)設(shè)計(jì)說明DesignNotesThisdesignistheuseofsodiumacrylatemonomerundercertainconditions,synthesizedbyinversesuspensionpolymerizationprinciplesodiumpolyacrylate.Thedesignofthemissionistoproduce6000tonsofhighabso
4、rbentresinsuspensionpolymerizationprocessdesignintermittentoperation.Mainlyacrylicacidandsodiumhydroxideoutlinedpolymerizablemonomerasamaincomponent,inahydrophobicsolventofn-heptanebyreversed-phasesuspensionpolymerization,sodiumpolyacrylatesuperabsorbent
5、prepared.Italsodescribesthenatureofthesodiumpolyacrylate,characteristics,usesandexamplesaswellassuspensionpolymerizationmechanisms,systemsandproductionprocesses,intermittentoperationcharacteristicsandmainrawmaterial.Designofthemainresultsareasfollows:1)D
6、ailytheoreticalvalueis18181kg.Actualproduction18552kg.Actualannualoutputof61220t.2)Withabasediameterof2500mmautoclave,thediameterof1600mmandakettle,adiameterof2500mmpolymerizationvessel.Volumeofthedispersionmediumtomixthepot12,avolumeof24.Madeofstainless
7、steel.3)Mainequipment:push-stirrer,standardellipticalhead;bearingtypebearings,kettlebodyjacket.Deploymentdispersionmediumtank12,adispersionmediumtank24.Decanters,specificationsfortheLW350×1050.Autoclaveequippedwithabase,neutralizationreactor,thepolymeriz
8、ationreactor,deionizedwatertank.4)Drawings:1)ProcessFlowDiagram,2)materialflow,3)polymerizationreactorassemblydrawing.Keywords:SodiumpolyacrylatematerialbalanceheatbalanceproductionprocessflowchartdiagramofmajorequipmentII