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1、年產(chǎn)3萬(wàn)噸甲醛生產(chǎn)工藝設(shè)計(jì)專(zhuān)業(yè)：化學(xué)工程與工藝設(shè)計(jì)人：強(qiáng)指導(dǎo)老師：羅道成摘要：本設(shè)計(jì)為年產(chǎn)3萬(wàn)噸37.2%甲醛水溶液的生產(chǎn)工藝初步設(shè)計(jì)，本設(shè)計(jì)采用銀催化法工藝，根據(jù)設(shè)計(jì)要求對(duì)工藝流程進(jìn)行了選擇與論證，對(duì)整個(gè)裝置進(jìn)行了物料與能量的衡算，對(duì)主要設(shè)備和管道進(jìn)行了設(shè)計(jì)及選型，同時(shí)對(duì)本裝置的安全生產(chǎn)與“三廢”治理作了相關(guān)討論并進(jìn)行經(jīng)濟(jì)的初步核算。本設(shè)計(jì)配有設(shè)計(jì)說(shuō)明書(shū)一本，附圖4。說(shuō)明書(shū)包括1：總論；2：工藝流程的選擇及論證；3：年產(chǎn)3萬(wàn)噸37.2%甲醛水溶液工藝計(jì)算；4：非標(biāo)準(zhǔn)設(shè)備的計(jì)算及定性設(shè)備的選型；5：工藝管道計(jì)算；6：安全以及“三廢”治理；7：技術(shù)經(jīng)濟(jì)初步核算。圖紙包括：1帶控制點(diǎn)的工藝管道
2、及工藝流程圖；2氧化器裝配圖；3裝置平面圖；4裝置立面圖。關(guān)鍵詞：甲醛；甲醇；氧化；工藝；電解銀ThemanufacturingprocessofFormaldehyde30000tonsperyearSpeciality:chemicalengineeringandtechnologydesigner:XieQiangdirector:LuoDaoChengAbstract:Thedesignisprimaryforthemanufacturingprocessofformaldehyde30000tonsperyear,andadoptsAgascatalystAccordingtot
3、hedesign,thecraftproductionwayofformaldehydewasselectedandthetechnologywasinvestiged.Themainequipmentsandpipesweredesignedorselected.Atthesanetime,safelyproducinganddealingwith”threewaste“werearguedandtechnologyeconomicwasoriginallyestimated.Thedesignconsistsofaninstructionbookandaseriesofdiagram.
4、Theinstructionbookincludes:1.Introduction.2.Choiceanddemonstrationofthetechnologicalprocess.3.30000tonsperyear37.2%formaldehydecraftsforproductionweredesignde.4.Itisnotaselectingtypeoftheequipmentofcalculationandfinalizingthedesignofthestandarddevice.5.Thecraftpipelinecalculating.6.Securityandabat
5、ementof”threewaste”.7.Economicinitialestimateoftechnoligy.Thediagraminclude:1.Thepipelineofthedeviceandprocessflowsheetwithcontrolledpiot.2.Assemblagechartoftheoxidator.3.Planefigureofthedevice.4.Theblueprintsoffactory.Keywords:formaldehyde;Methanol;Oxidation;Technology;ElectrolysisSilver目錄前言11緒論1
6、1.1我國(guó)甲醛工業(yè)的發(fā)展過(guò)程11.1.1起步階段11.1.2發(fā)展階段11.1.3快速增長(zhǎng)階段11.2我國(guó)甲醛工業(yè)的現(xiàn)狀21.2.1生產(chǎn)工藝21.2.2生產(chǎn)能力和產(chǎn)量21.2.3技術(shù)指標(biāo)21.3影響我國(guó)甲醛價(jià)格的主要因素31.3.1生產(chǎn)成本31.3.2下游需求狀況41.3.3地區(qū)差異41.4產(chǎn)品說(shuō)明41.4.1產(chǎn)品名稱(chēng)41.4.2產(chǎn)品性質(zhì)41.5產(chǎn)品用途61.6原材料說(shuō)明61.7甲醛工業(yè)的發(fā)展趨勢(shì)61.7.1改進(jìn)催化劑的性能61.7.2高濃度甲醛工藝發(fā)展趨勢(shì)61.7.3設(shè)備集約化71.7.4規(guī)模大型化71.7.5產(chǎn)品簡(jiǎn)介71.8甲醛的主要技術(shù)指標(biāo)72合成方法及生產(chǎn)技術(shù)比較82.1甲醛的合成方
7、法82.1.1銀催化劑法82.1.2鐵鉬催化劑法82.1.3甲縮醛氧化法82.1.4二甲醚氧化法82.1.5低碳烷烴直接氧化法82.2生產(chǎn)工藝比較82.2.1工藝技術(shù)比較82.2.2銀催化劑法和鐵鉬催化劑法的特點(diǎn)的比較92.3國(guó)外甲醛裝置能耗比較103工藝流程介紹103.1流程說(shuō)明103.2生產(chǎn)工藝影響因素113.2.1反應(yīng)器的結(jié)構(gòu)與狀態(tài)113.2.2催化劑的性能和狀態(tài)113.2.3反應(yīng)溫度123.2.4氧醇比123.2
