【正文】 .......37 輔助料 ................................................................................................................................37 對(duì)輔助料的要求 .......................................................................................................37 供應(yīng)方案 ...................................................................................................................38222 第 2 頁(yè) 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(chē)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 ...............................................................................................................44 電極 ...........................................................................................................................44 精煉爐設(shè)備選擇 ................................................................................................................45 連鑄設(shè)備選型 [5]................................................................................................................46 鋼包允許的最大澆注時(shí)間 .......................................................................................46 拉坯速度 ...................................................................................................................46 連鑄機(jī)的流數(shù) ...........................................................................................................47 弧型半徑 ...................................................................................................................48 連鑄機(jī)的生產(chǎn)能力的確定 ................................................................................................48 連鑄澆注周期的計(jì)算 ...............................................................................................48 連鑄機(jī)作業(yè)率 ...........................................................................................................48 連鑄坯收得率 ...........................................................................................................49 連鑄機(jī)生產(chǎn)能力的計(jì)算 ...........................................................................................49 中間包及其運(yùn)載設(shè)備 ........................................................................................................50 中間包的形狀和構(gòu)造 ...............................................................................................50 中間包的主要工藝參數(shù) ...........................................................................................50 中間包運(yùn)載裝置 .......................................................................................................51 結(jié)晶器及其振動(dòng)裝置 ........................................................................................................51 結(jié)晶器的性能要求及其結(jié)構(gòu)要求 ...........................................................................51 結(jié)晶器主要參數(shù)選擇 ...............................................................................................51 結(jié)晶器的振動(dòng)裝置 ...................................................................................................52 二次冷卻裝置 ....................................................................................................................52 二次冷卻裝置的基本結(jié)構(gòu) .......................................................................................52 二次冷卻水冷噴嘴的布置 .......................................................................................52 二次冷卻水量的計(jì)算 ...............................................................................................52 拉矯裝置及引錠裝置 ........................................................................................................52 拉矯裝置 ...................................................................................................................52 引錠裝置 ...................................................................................................................53 鑄坯切割裝置 ....................................................................................................................53 盛鋼桶的選擇 ..................................................................................................................53333 第 3 頁(yè) 渣罐及渣罐車(chē)的選擇 ......................................................................................................55 車(chē)間所需的渣罐數(shù)量 .............................................................................................55 車(chē)間所需渣罐車(chē)數(shù)量 .............................................................................................55 起重機(jī)的選擇 ...................................................................................................................55 其它輔助設(shè)備的選擇 ......................................................................................................557 車(chē)間人員編制及主要經(jīng)濟(jì)技術(shù)指標(biāo) ........................................................................................56 技術(shù)經(jīng)濟(jì)指標(biāo) ....................................................................................................................56 產(chǎn)量指標(biāo) ..............................