【正文】 ........................................................................................... 59 脫 氧合金化 ............................................................................................................................................... 59 脫氧合金化操作 ...............................................................................................................................59 影響合金元素吸收率的因素 .......................................................................................................60 精煉與連鑄 ............................................................................................................................................... 61 6 車(chē)間工藝布置 ..................................................................................................................................................61 車(chē)間生產(chǎn)工藝流程圖 ............................................................................................................................. 61 供應(yīng)系統(tǒng) ................................................................................................................................................... 62 轉(zhuǎn)爐煙氣凈化與回收系統(tǒng) .................................................................................................................... 64 爐下出鋼出渣系統(tǒng) .................................................................................................................................. 65 7 冶煉車(chē)間組成及車(chē)間布置 ..........................................................................................................................65 冶煉車(chē)間的組成和廠房的布置形式 ................................................................................................... 65 第 5 頁(yè) 車(chē)間的組成 ........................................................................................................................................65 主廠房的工藝布置 .................................................................................................................................. 66 原料跨間的布置 ...............................................................................................................................67 轉(zhuǎn)爐跨間的布置 ...................................................................................................................................... 68 精煉跨間的布置 ...................................................................................................................................... 72 澆 鑄跨間的布置 ....................................................................................................................................... 72 ...................................................................................................................................72 連鑄機(jī)高度 ........................................................................................................................................73 連鑄機(jī)澆注平臺(tái)尺寸 ......................................................................................................................73 澆注跨長(zhǎng)度 ........................................................................................................................................74 澆注跨吊車(chē)軌面標(biāo)高 ......................................................................................................................74 8 連 鑄 車(chē) 間 ....................................................................................................................................................76 連鑄系統(tǒng)的組成及工藝流程 ................................................................................................................ 76 澆注跨的工藝布置 .................................................................................................................................. 76 連鑄機(jī)機(jī)型的選擇 ..........................................................................................................................76 連鑄機(jī)的主要工藝參數(shù)計(jì)算 .........................................................................................................77 連鑄機(jī)基本參數(shù)的確定 ......................................................................................................................... 79 拉坯速度 ............................................................................................................................................79 鑄機(jī)的弧形半徑的確定 ................................................................................................................80 鑄坯液心長(zhǎng)度、冶金長(zhǎng)度和鑄機(jī)長(zhǎng)度，以及高度 ...............................................................80 鋼包的設(shè)計(jì) .......................................................................................................................................81 中間包的設(shè)計(jì) ..................................................................................................................................83 結(jié)晶器的設(shè)計(jì) ..................................................................................................................................84 二冷區(qū)的設(shè)計(jì) ...................................................................................................................................85 拉矯方法的確定 ..............................................................................................................................86 引錠裝置 ............................................................................................................................................86 輥道及后步工序其他設(shè)備 ..........................................................................................................86 電磁攪拌裝置 .................................................................................................................................86 8 生產(chǎn)組織和人員編制 .....................................................................................................................................88 9 主要經(jīng)濟(jì)技術(shù)指標(biāo) ..........................................................................................