【正文】 ................................ 5 煤焦油加工展望 ................................................................................................ 5 切忌盲目新建煤焦油加工設(shè)施 ..................................................................................................5 項(xiàng)目建設(shè)要求 ...............................................................................................................................5 慎重投資 .......................................................................................................................................6 注重煤焦油加技術(shù)的開發(fā) ..........................................................................................................6 加強(qiáng)環(huán)保工作 ...............................................................................................................................6 設(shè)計(jì)任務(wù) ............................................................................................................ 6 2 生產(chǎn)工藝流程和設(shè)備的說明 ............................................................................... 8 原料及產(chǎn)品說明 ................................................................................................ 8 煤焦油概述 ...................................................................................................................................8 煤焦油加工過程 ................................................................................................ 9 煤焦油加工過程 ..........................................................................................................................9 煤焦油加工工藝 ................................................................................................ 9 一塔式流程 ................................................................................................................................ 10 2. 二塔式流程 .............................................................................................................................. 10 焦油分離主要設(shè)備 .......................................................................................... 11 蒸發(fā)器 ......................................................................................................................................... 15 蒸餾塔 ......................................................................................................................................... 15 3 非工藝部分設(shè)計(jì) ................................................................................................. 17 車間布置 .......................................................................................................... 17 蒸餾工藝布置 .................................................................................................. 17 遼寧科技學(xué)院本科生 畢業(yè)設(shè)計(jì) 第 IV頁 廠址的選擇 ...................................................................................................... 18 土建 ................................................................................................................. 18 供電 .................................................................................................................. 19 供水排水 .......................................................................................................... 19 防火防爆 .......................................................................................................... 20 采暖通風(fēng) .......................................................................................................... 21 環(huán)保 .................................................................................................................. 22 設(shè)備維修 ........................................................................................................ 22 4 專題 — 蒸餾工藝過程的環(huán)境污 染與防治 ......................................................... 24 概述 .................................................................................................................. 24 煤焦油化工廠廢氣發(fā)生源 .............................................................................. 25 煤焦油化工廠廢氣治理方法 .......................................................................... 25 比重大于 1 的油品污染氣體治理 ........................................................................................... 25 輕質(zhì)油品污染氣體的控制 ....................................................................................................... 26 瀝青煙萘粉塵的凈化處理 .............................................................................. 26 改進(jìn)生產(chǎn)工藝減少污染 .................................................................................. 27 用氮?dú)夥忾]液體化工物料儲(chǔ)存設(shè)備 ....................................................................................... 28 瀝青和萘實(shí)行液態(tài)運(yùn)輸 ........................................................................................................... 28 酚鈉鹽分解的先進(jìn)工藝 ........................................................................................................... 28 連續(xù)硫酸法酚鈉鹽分解工藝 ................................................................................................... 28 二氧化碳分解 ............................................................................................................................ 29 焦油蒸餾工段計(jì)算說明 .............................................................................................. 29 1 物料與熱量衡算 ................................................................................................. 30 計(jì)算條件及操作制度 ...................................................................................... 30 燃燒過程的計(jì)算 ........................................................................................................................... 31 耗熱量和煤氣用量的計(jì)算 .......................................................................................................... 34 2 管式爐的計(jì)算與選型 ......................................................................................... 40 輻射段計(jì)算 ...................................................................................................... 40 對流段的計(jì)算 .....................