【正文】 ..............................................................................................10 電弧爐變壓器功率和電參數(shù)的確定 ................................................................................12 確定變壓器的功率 ....................................................................................................12 電極直徑的確定 ........................................................................................................12111 第 1 頁 電極心圓的尺寸 ........................................................................................................12 水冷掛渣爐壁設(shè)計(jì) .............................................................................................................133電弧爐煉鋼物料平衡和熱平衡 .................................................................................................16 物料平衡計(jì)算 .....................................................................................................................16 熔化期的物料平衡 ...................................................................................................16 氧化期的物料平衡 .................................................................................................22 熱平衡計(jì)算 ........................................................................................................................26 計(jì)算熱收入 QS.........................................................................................................26 計(jì)算熱支出 QZ.........................................................................................................264 電弧爐煉鋼車間工藝布置 ........................................................................................................30 原料跨 ................................................................................................................................30 原料跨的跨度 ...........................................................................................................31 原料跨總長(zhǎng)度確定 ...................................................................................................31 爐子跨整體布置 ................................................................................................................31 爐子跨工作平臺(tái)高度 ...............................................................................................32 爐子的變壓器室和控制室 .......................................................................................32 電弧爐出渣和爐渣處理 ...........................................................................................32 爐子跨的長(zhǎng)度、跨度、高度 ...................................................................................32 其他布置 ...................................................................................................................33 精煉跨 .................................................................................................................................33 整體布置 ...................................................................................................................33 AOD 精煉爐的工藝布置 ............................................................................................33 連鑄跨 .................................................................................................................................33 總體布置 ...................................................................................................................33 連鑄機(jī)操作平臺(tái)的高度、長(zhǎng)度、寬度 ...................................................................33 連鑄機(jī)總高和本跨吊車軌面標(biāo)高 ...........................................................................34 連鑄機(jī)總長(zhǎng)度 ...........................................................................................................34 連鑄跨跨度 ...............................................................................................................35 出坯跨 .................................................................................................................................35 備注 ....................................................................................................................................355 電弧爐煉鋼車間工藝設(shè)計(jì) ........................................................................................................37 廢鋼 ....................................................................................................................................37 輔助料 ................................................................................................................................37 對(duì)輔助料的要求 .......................................................................................................37 供應(yīng)方案 ...................................................................................................................38222 第 2 頁 配料 ...........................................................................................................................39 裝料和補(bǔ)料 ...............................................................................................................39 電弧爐冶金工藝 [3] ...................................................................................................40 精煉工藝 [4] ...............................................................................................................42 連鑄操作工藝 ...........................................................................................................426 車間主要設(shè)備的選擇 ................................................................................................................44 電弧爐主要設(shè)備選擇 ........................................................................................................44 校核年產(chǎn)量 ......................................................................................