【正文】 目 錄 設(shè)計(jì)總說(shuō)明 .......................................................... I 前 言 .............................................................. 1 1 復(fù)吹轉(zhuǎn)爐煉鋼車間設(shè)計(jì) .............................................. 2 煉鋼車間生產(chǎn)工藝流程 .......................................... 2 煉鋼車間的產(chǎn)品規(guī)劃（產(chǎn)品大綱） ................................ 3 煉鋼車間組成 .................................................. 3 2 煉鋼廠總體工藝規(guī)劃 ................................................ 5 車間年生產(chǎn)能力的確定 .......................................... 5 主廠房工藝布置 ................................................ 6 原料跨間布置 .............................................. 6 爐子跨間布置 .............................................. 6 出鋼跨設(shè)計(jì) ................................................ 7 澆注跨設(shè)計(jì) ............................................... 7 切割出坯跨 ................................................ 7 原材料的供應(yīng)及設(shè)備 ............................................ 8 鐵水的供應(yīng) ................................................ 8 廢鋼的供應(yīng) ................................................ 8 散裝料的供應(yīng) .............................................. 8 鐵合金的供應(yīng) .............................................. 9 氧氣的供應(yīng)及設(shè)備 .......................................... 9 底吹氬氣、氮?dú)獾墓?yīng) 及設(shè)備 ................................ 9 3 轉(zhuǎn)爐物料平衡及熱平衡計(jì)算 ......................................... 10 第 IV 頁(yè) 原始數(shù)據(jù) ..................................................... 10 物料平衡基本項(xiàng)目 ............................................. 14 脫磷爐物料平衡 ............................................... 14 基本數(shù)據(jù) ................................................. 14 計(jì)算步驟 ................................................. 15 熱平衡計(jì)算 ............................................... 22 脫碳爐物料平衡 ............................................... 26 基本數(shù)據(jù) ................................................. 26 計(jì)算步驟 ................................................. 26 熱平衡計(jì)算 ............................................... 34 4 轉(zhuǎn)爐爐型及氧槍設(shè)計(jì) ............................................... 38 轉(zhuǎn)爐設(shè)計(jì) ..................................................... 38 轉(zhuǎn)爐爐型設(shè)計(jì) ............................................. 38 主要參數(shù)的確定 .......................................... 38 支承結(jié)構(gòu) ................................................. 43 傾動(dòng)機(jī)構(gòu) ................................................. 44 氧槍設(shè)計(jì) ..................................................... 44 專用脫磷氧槍 ............................................. 44 專用脫碳氧槍 ............................................. 50 5 煉鋼車間生產(chǎn)工藝設(shè)計(jì) ............................................. 55 主要原材料技術(shù)要求 ........................................... 55 金屬料 ................................................... 55 造渣材料 ................................................. 55 氣源 ..................................................... 56 裝料制度 ..................................................... 56 脫磷轉(zhuǎn)爐裝料制度 ......................................... 56 脫碳轉(zhuǎn)爐裝料制度 ......................................... 56 第 V 頁(yè) 供氧制度 ..................................................... 57 脫磷轉(zhuǎn)爐吹煉制度 ......................................... 57 脫碳轉(zhuǎn)爐吹煉制度 ......................................... 57 造渣制度 ..................................................... 58 脫磷爐渣制度 ............................................. 58 溫度控制 ..................................................... 59 出鋼溫度的確定 ........................................... 59 過(guò)程 溫度控制要求 ......................................... 60 終點(diǎn)控制和出鋼 ............................................... 60 脫氧合金化 ................................................... 61 精煉和連鑄 ................................................... 61 6 車間主體設(shè)備選型 ................................................ 63 原料跨 ....................................................... 63 混鐵車 ................................................... 63 鐵水罐 ................................................... 64 廢鋼工段 ................................................. 64 渣罐及渣罐車 ............................................. 65 爐子跨 ....................................................... 66 盛鋼桶 ................................................... 66 精煉設(shè)備 ................................................. 70 澆注跨 ....................................................... 71 連鑄機(jī)參數(shù)設(shè)計(jì) ........................................... 71 連鑄機(jī)生產(chǎn)能力 ........................................... 73 結(jié)晶器設(shè)計(jì) ............................................... 76 鋼包回轉(zhuǎn)臺(tái) ............................................... 77 中間包及中間包 ........................................... 77 起重機(jī)的選擇 ................................................. 78 原料跨 .................................................. 78 第 VI 頁(yè) 爐子跨 .................................................. 79 出鋼跨 ................................................... 79 澆注 跨 ................................................... 79 出坯跨 ................................................... 79 制氧機(jī)的選擇 ................................................. 79 7 車間工藝布置 ..................................................... 81 主廠房布置 ................................................... 81 原料跨布置及主要尺寸 ......................................... 82 爐子跨 ....................................................... 83 爐子跨的高度布置 ......................................... 83 爐子跨的縱向布置 ..................................