【正文】 re made of VⅠtype valve ,conduct mechanical check to it,so as to satisfy the local natural conditions and design ,calculate the heat transfer of heat exchanger and tube furnace by heat balance,and conducted a the G600Ⅳ60 as the heat exchanger model of raw materials and industrial oil condenser choose S=4m2 ,industrial naphthalene condenser choose S= model of the tube furnace is .Draw it on this basis the main 152/?equipment assembly drawings，process flow diagram and plant equipment，plans and diagrams．Keywords Industrial naphthalene；singlefurnace twincolumns process；material balance；heat balance 目 錄III目 錄摘 要 .............................................................................................................................IABSTRACT.......................................................................................................................II引 言 ...........................................................................................................................V1 文獻(xiàn)綜述 .................................................................................................................1 煤焦油加工工藝 ...............................................................................................1 煤焦油的發(fā)展現(xiàn)狀 .......................................................................................1 煤焦油加工技術(shù)的發(fā)展方向 .......................................................................2 煤焦油產(chǎn)品深加工的發(fā)展方向 ...................................................................3 我國(guó)煤焦油加工業(yè)業(yè)目前存在的主要問(wèn)題 ...............................................3 工業(yè)萘的生產(chǎn)簡(jiǎn)介及發(fā)張前景 ..........................................................................3 工業(yè)萘的發(fā)展概況 .......................................................................................4 工業(yè)萘蒸餾技術(shù) ...........................................................................................5 精餾法制萘工藝 ..................................................................................................6 單爐雙塔連續(xù)精餾的工藝流程 ...................................................................6 單爐單塔流程 ................................................................................................7 雙爐雙塔流程 ...............................................................................................8 精餾法制萘工藝 .........................................................................................102 設(shè)計(jì)內(nèi)容 ................................................................................................................11 工藝流程的選擇 ...............................................................................................11 物料衡算 ............................................................................................................11 計(jì)算依據(jù) .....................................................................................................11 初餾塔物料衡算 .........................................................................................11 精餾塔物料衡算 .........................................................................................13 塔的工藝計(jì)算 ....................................................................................................16 初餾塔的工藝計(jì)算 .....................................................................................16 精餾塔的工藝計(jì)算 .....................................................................................21 塔的工藝負(fù)荷計(jì)算 ............................................................................................25目 錄IV 初餾塔工藝負(fù)荷計(jì)算 .................................................................................25 精餾塔工藝負(fù)荷的計(jì)算 .............................................................................28 塔尺寸的計(jì)算 ....................................................................................................31 初餾塔尺寸的計(jì)算 .....................................................................................31 精餾塔尺寸的計(jì)算 .....................................................................................34 塔板工藝尺寸計(jì)算 ............................................................................................36 初餾塔塔板主要工藝尺寸的計(jì)算 .............................................................36 精餾塔塔板主要工藝尺寸的計(jì)算 .............................................................39 塔板流體力學(xué)驗(yàn)算 ............................................................................................42 初餾塔塔板流體力學(xué)的驗(yàn)算 .....................................................................42 精餾塔塔板流體力學(xué)的驗(yàn)算 .....................................................................51 機(jī)械校核 ............................................................................................................61 初餾塔機(jī)械校核 .........................................................................................61 熱量衡算 ............................................................................................................74 初餾塔酚油冷凝冷卻器 .............................................................................74 工業(yè)萘與原料換熱器 .................................................................................75 工業(yè)萘汽化冷凝冷卻器 .............................................................................76 管式爐的設(shè)計(jì) .............................................................................................78 設(shè)備一覽表 ......................................................................................................81 非工藝條件 ......................................................................................................82 土建設(shè)計(jì)條件 ...........................................................................................82 采暖通風(fēng)設(shè)計(jì)條件 ...................................................................................83 供電設(shè)計(jì)條件 ...........................................................................................84 給排水設(shè)計(jì)條件 .......................................................................................84 分析化驗(yàn)條件 ...........................................................................................84結(jié) 論