【正文】 mestic and foreign production experience and data. Strive to make the design of the blast furnace to achieve a high degree of mechanization, automation and largescale, in order to achieve optimum production efficiency. Keywords: Blast furnace ； Hot stove ； Plant design 紅河學院本科畢業(yè)論文（設計） 目錄 1 緒論 ............................................................................................................................ 1 概述 .................................................................................................................. 1 高爐煉鐵簡史和近況 ............................................................................ 1 中國鋼鐵業(yè)急需升級換代及展望 ......................................................... 2 原料檢測設備 ......................................................................................... 2 休風率 ..................................................................................................... 3 生鐵合格率 ............................................................................................. 3 主要經濟技術指標 ................................................................................. 3 近代高爐煉鐵技術發(fā)展 .................................................................................. 4 精料 ........................................................................................................ 5 采用新技術 ............................................................................................ 5 高風溫 ..................................................................................................... 5 高壓操作 ................................................................................................. 5 噴吹燃料 ................................................................................................ 6 富氧鼓風 ................................................................................................ 6 爐渣處理 ................................................................................................ 6 能源回收 ................................................................................................. 6 高爐長壽及快速大修 ............................................................................. 6 我國高爐煉鐵技術的發(fā)展趨勢 ...................................................................... 6 當前世界鋼鐵工業(yè)形勢 ................................................................................... 8 本設計的目的和任務 ...................................................................................... 8 2 工藝流程 .................................................................................................................. 10 高爐煉鐵工藝流程 ......................................................................................... 10 3 高爐煉鐵綜合計算 .................................................................................................. 11 高爐配料計算 ................................................................................................ 11 礦石選配 .............................................................................................. 11 計算方法與過程 ...................................................................................... 13 生鐵成分 .............................................................................................. 13 紅河學院本科畢業(yè)論文（設計） 計算 混合礦量 ...................................................................................... 14 根據堿度平衡計算石灰石用量 .......................................................... 14 終渣成分及渣量計算 .......................................................................... 15 生鐵成分校核 ...................................................................................... 16 高爐物料平衡計算 ........................................................................................ 17 初始條件 ............................................................................................... 17 風量計算 ............................................................................................... 17 煤氣成分及數量計算 .......................................................................... 18 物料平衡表 ........................................................................................... 20 高爐熱平衡計算 ............................................................................................ 21 熱平衡計算 .......................................................................................... 21 熱量支出計算 ...................................................................................... 22 4 高爐爐型設計 .......................................................................................................... 27 年工作日的確定 ............................................................................................. 27 定容積 ............................................................................................................ 27 爐缸尺寸 ........................................................................................................ 27 爐缸直徑 ............................................................................................... 27 爐缸高度、渣口高度 .......................................................................... 27 死鐵層的厚度 ...................................................................................... 27 爐腰直徑 ,爐腹角及爐腹高度 ............................................................. 28 爐喉直徑和爐喉高度 .......................................................................... 28 爐身角、爐身高度及爐腰高度 .......................................................... 28 校核爐容 ........................................................................................................ 28 5 高爐供料系統設計 .................................................................................................. 30 高爐供料系統 ................................................................................................ 30 裝料設備選擇 .......................................................................