【正文】
第 i 頁年產(chǎn) 630 萬噸生鐵(其中煉鋼生鐵 90%,鑄造生鐵 10%)的高爐煉鐵車間工藝設計專 業(yè):冶金工程專業(yè) 設計總說明鋼鐵廠一般是指具有煉鐵、煉鋼及軋鋼的完整生產(chǎn)周期的冶金工廠。高爐煉鐵車間是為煉鋼提供原材料的車間組織。本次畢業(yè)設計的題目為設計一座年產(chǎn) 630 萬噸生鐵(其中煉鋼生鐵 90%,鑄造生鐵 10%)的高爐煉鐵車間工藝設計,本設計采用一系列先進工藝,如全冷卻壁,碳磚、爐底高鋁磚綜合爐底,高爐長壽技術,富氧噴煤等。本設計的主要任務包括高爐配料計算、高爐本體設計、料運系統(tǒng)方案設計、高爐爐頂設備設計、高爐鼓風機的選擇、熱風爐設計計算、渣鐵處理系統(tǒng)及煤氣處理系統(tǒng)設計及其車間平面布置等幾大部分,并對部分工藝流程進行了說明。本設計涉及到的計算部分為高爐配料計算、高爐內(nèi)型計算、高爐砌磚計算以及鼓風機和外燃式熱風爐的相關計算。其中高爐設計部分和熱風爐設計部分是本次設計的主要部分。本設計涉及到的設備選擇包括高爐設備的選擇、高爐供料系統(tǒng)的設備選擇、鼓風機的選擇、渣鐵處理系統(tǒng)及煤氣處理系統(tǒng)設備選擇。我希望,所采用的先進技術能是高爐實現(xiàn)高產(chǎn)、優(yōu)質(zhì)、低耗、長壽、環(huán)保的生產(chǎn)目標。關鍵詞:高爐,熱風爐,工藝設計,設備ANNUAL OUTPUT OF MILLION TONS OF 第 ii 頁PIG IRON BLAST FURNACE IRONMAKING WORKSHOP PROCESS DESIGN (OF WHICH 90% IS STEELMAKING PIG IRON, AND 10% IS CAST IRON ) Specialty:Metallurgical Engineering Director:Yang ShuangpingDesign DescriptionGenerally refers to a steel plant iron, steel making and rolling of the plete production cycle of metallurgical plants. Blast furnace steel plant with raw materials for the workshop anizationThe subject of this graduation project for the design of an annual output of tons of pig iron (including steelmaking pig iron 90%, cast iron 10%) of the blast furnace plant process design. This design uses a series of advanced technology, such as whole cooling wall, carbon bricks, high alumina bricks integrated bottom bottom, blast furnace technology, enriched PCI, main task of this design include the blast furnace burden calculation, blast furnace body design, material transport system design, equipment design, blast furnace, blast furnace blower selection, design and calculation of hot stove, iron slag processing systems and gas handling system design and plant layout and so few parts, and part of the process are described.The design part involves the calculation of blast furnace burden calculation, puting blast furnace, blast furnace blowers and brick puting, and the related calculation of internal bustion stove. Part and the hot blast stove blast furnace design in which the design part is the main part of this design.The design options related to the equipment, including blast furnace equipment selection, blast furnace feed system, equipment selection, the choice of blower, iron slag processing systems and gas handling system equipment selection. I hope that advanced technology can be used in a blast furnace to achieve high yield, high quality low。 longevity, environmental protection, the production target.Key words: blast furnace, Stove, process design, equipment 第 i 頁目 錄前 言 ............................................................11 高爐配料計算 .....................................................2 原始資料 .....................................................2 礦石的選配 ................................................4 原始資料的整理 ...............................................4 冶煉條件的確定 ...............................................4 煤氣的成分和數(shù)量計算 .....................................12 物料平衡表的編制 .........................................15 熱平衡 ......................................................16 計算熱量收入項 ...........................................16 計算熱量支出項 ...........................................17 根據(jù)以上計算列出熱量平衡表 ...............................20 高爐熱工指標的分析 .......................................212 高爐本體設計 ....................................................22 高爐內(nèi)型相關計算 ............................................22 高爐內(nèi)襯設計 ................................................25 爐底 .....................................................25 爐缸 .....................................................26 爐腹 .....................................................26 爐腰 .....................................................27 爐身 .....................................................27 高爐爐殼和高爐基礎 ..........................................32 高爐爐殼 .................................................32 高爐基礎 .................................................33 爐體設備 .....................................................34 爐體冷卻設備 .............................................34 風口水套 .................................................35 鐵口套 ...................................................35 爐喉鋼磚 .................................................35 爐頂保護板 ...............................................353 料運系統(tǒng)計算及裝料布料設備 ......................................36 貯礦槽 .......................................................36 平面布置 .................................................36 槽上運輸方式 .............................................36 第 ii 頁 儲礦槽工藝參數(shù) ...........................................36 槽下供料 .................................................36 料坑設備 ....................................................37 碎焦運送設施 ................................................38 上料設備 ....................................................384 高爐鼓風機的選擇 ................................................39 高爐鼓風量及鼓風壓力的確定 ..................................39 高爐入爐風量 .............................................39 鼓風機出口風量 ...........................................39 高爐鼓風壓力 .............................................40 高爐鼓風機能力的確定 ........................................40 大氣狀況對高爐鼓風的影響 .................................40 鼓風機工況的計算 .........................................40 鼓風機的選擇 .............................................41 高爐鼓風機的工藝過程 ........................................425 熱風爐 ..........................................................43 計算的原始數(shù)據(jù) ..............................................43 燃燒計算 ..................................................