【正文】 hracene tower and the fraction tower is calculated and the craft size of that is dfinited. The special topic of the design is study on production technology of cooling asphalt. the cooling production technology and cleansing of asphalt gas in different craft have been discussed in detail. Finally, according to the data and the material, the noncraft part is carried on. The drafting including the flow sheet with controlled point, the quipment layout plans and the main equipment pipe still have been drawn. Key word: tar distillation, pipe still, asphalt 遼寧科技學(xué)院本科生 畢業(yè)設(shè)計(jì) 第 III 頁 目錄 1緒論 ............................................................................................................................. 1 煤化工生產(chǎn)的國內(nèi)外現(xiàn)狀 ................................................................................ 1 發(fā)展煤化工產(chǎn)業(yè)的經(jīng)濟(jì)意義 ............................................................................ 2 設(shè)計(jì)任務(wù) ............................................................................................................ 3 2 生產(chǎn)工藝流程和設(shè)備的論述 ..................................................................................... 4 工藝流程的論述 ................................................................................................ 4 原料及產(chǎn)品 ..................................................................................................... 4 生產(chǎn)工藝的論述 ............................................................................................. 5 設(shè)備的論述 ........................................................................................................ 6 管式爐的工作原理 ......................................................................................... 6 管式爐的選型 ................................................................................................. 7 塔設(shè)備的選型 ................................................................................................. 8 3 工藝計(jì)算及設(shè)備選型 ............................................................................................... 10 物料與熱量衡算 .............................................................................................. 10 計(jì)算條件及操作制度 ................................................................................... 10 燃燒過程的計(jì)算 ........................................................................................... 11 耗熱量和煤氣用量的計(jì)算 ........................................................................... 14 管式爐的計(jì)算與選型 ...................................................................................... 19 輻射段計(jì)算 ................................................................................................... 19 對流段的計(jì)算 ............................................................................................... 26 爐管壓力降計(jì)算 ........................................................................................... 35 煙囪計(jì)算 ....................................................................................................... 40 其他設(shè)備的計(jì)算的和選型 .............................................................................. 46 蒽塔的 選型 ................................................................................................... 46 瀝青高置槽 .................................................................................................. 47 一次蒸發(fā)器 .................................................................................................. 47 二段蒸發(fā)器 ................................................................................................... 48 其他冷卻器的選型 ....................................................................................... 48 遼寧科技學(xué)院本科生 畢業(yè)設(shè)計(jì) 第 IV頁 4非工藝部分 ............................................................................................................... 51 廠址的選擇 ...................................................................................................... 51 土建 ................................................................................................................. 51 防火防爆 .......................................................................................................... 51 選擇適宜的輸送設(shè)備 ................................................................................... 51 控制和消除明火與摩擦、撞擊火花 ........................................................... 52 安全裝置 ....................................................................................................... 52 焦化廠的防火防爆事項(xiàng) ............................................................................... 52 環(huán)境保護(hù) .......................................................................................................... 53 采用的環(huán)保標(biāo)準(zhǔn) ........................................................................................... 53 主要污染源和污染物分析 ........................................................................... 54 三廢處理 ....................................................................................................... 54 勞動(dòng)保護(hù)安全衛(wèi)生 .......................................................................................... 54 編制依據(jù) ....................................................................................................... 54 主要危險(xiǎn)源及防護(hù)措施 ............................................................................... 55 防護(hù)措施 ....................................................................................................... 55 工業(yè)衛(wèi)生防護(hù)措施 ....................................................................................... 55 電力 ................................................................................................................. 55 供電 .............................................................................................................. 55 防觸電 ...........................................................................................................