聚氧乙烯醚工藝改進(jìn)和工業(yè)實(shí)踐_第1頁(yè)
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1、浙江大學(xué)材料與化學(xué)工程學(xué)院碩士學(xué)位論文聚氧乙烯醚工藝改進(jìn)和工業(yè)實(shí)踐姓名:蔡勝梅申請(qǐng)學(xué)位級(jí)別:碩士專(zhuān)業(yè):化學(xué)工程指導(dǎo)教師:蔡振云20090306AbstractInthispaperafteratestattheoutsidecirculationsprayreactor(OCSR)intheproductionoffattyalcoholpolyoxyethyleneether(hE03),theprocessparametersand

2、theresultsofproductqualityenergyconsumptionarestudied,anddefinethebestprocessconditionsasfollows:catalystisthesodiummethoxide,thecatalystamountis2oofthetotalmaterialvolume,dehydrationtemperatureiscontrolledinthe120~140℃,

3、thereactiontemperatureiscontrolledin140~150℃thereactionpressureiscontrolledbetween020030MPaThetestresultsareasfollows,theAE03ProductoftheOCSRandtraditionalstirringautoclavereactorcompared:1,qualityhasasignificantlyimprov

4、ed:hydroxylvalueisclosertothetheoreticalvalue,andsmallerfluctuations;molecularweightdistributiongetsnarrowerby—productsarereduced;colorgetslightertheOCSR’Sproductsareinfullcompliancewiththequalityrequirementsofhigh—endpr

5、oducts2,theproductyieldimprovesfrom978percentto992percent,theproductiontimeisreducedsignificantlytheproductionefficiencyisimprovedsignificantlytoo3,becauseoftheresponsephasechangesandthemasstransfertheheattransfereffects

6、aswellasthesafetyperformanceofequipmentareimproved,theproductionsafetyisassurancedessentiallyAfterlarge—scaleproductionofindustrialpractice,weoptimizetheOCSR’Sparametersanddesigneda15m3OCSR,thereactor’Sspraynozzlegroups,

7、vacuumsystemsandheatexchangesystemareimprovedeffectively,andwealsoaddit’SmatchingenvironmentalprotectionfacilitiesItavoidstheshortcomingsonlow—capacityandhighpowerconsumption,theproductqualityyieldandproductivityhasbeenf

8、urtherimprovedComparedwitlltheoriginalthewaterconsumptionofpertonproductfellsfrom3tonsto17tonsandthesteamconsumptionalsofellsfrom058tonsto035tonsrespectivelypowerconsumptionofpertonproductisreducedfrom30kwhto124kwhnowene

9、rgysavingandemissionreductioneffectisverysignificantInsum,theOCSRimprovetheproductyield,qualityandsafetyperformanceoftheequipment,alsohassignificanceinthepromotionofenergy—saving,workclean,environmentalprotectionandSOonT

10、heOCSRhaveincomparableadvantageswithatraditionalpot—stirringreactorintheproductionofpolyoxyethyleneetherproductsItisworthytopromoteall—roundtosurfactantsmanufacturersKeywords:fattyalcoholpolyoxyethyleneetherreactorproces

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