【正文】 .....................I Abstract ......................................................................................................................... II 第一章 國內(nèi)外鋼管業(yè)發(fā)展概況及建廠可行性分析 .................................................. 1 國內(nèi)外鋼管業(yè)發(fā)展概況 ...................................................................................... 1 我國無縫鋼管發(fā)展現(xiàn)狀 ............................................................................. 1 高壓鍋爐管生產(chǎn)現(xiàn)狀 ................................................................................. 2 高壓鍋爐管供需情況 ................................................................................. 4 高壓鍋爐管發(fā)展趨勢 ................................................................................. 5 總結(jié) ............................................................................................................. 5 建廠可行性和必要性分析 .................................................................................. 5 國內(nèi)市場調(diào)查、研究與預(yù)測 ..................................................................... 5 建廠選址及其可行性分析 ......................................................................... 6 第二章 設(shè)計(jì)任務(wù)、產(chǎn)品品種及工藝流程的確定 ...................................................... 9 設(shè)計(jì)任務(wù) ............................................................................................................. 9 產(chǎn)品方案的 編制 .................................................................................................. 9 產(chǎn)品大綱的制定原則及編制 ..................................................................... 9 產(chǎn)品大綱的編制表 .................................................................................. 10 金屬平衡表 ....................................................................................................... 11 高壓鍋爐管的技術(shù)要求 .................................................................................... 11 工藝流程的確定 ................................................................................................ 13 第三章 軋制表計(jì)算 .................................................................................................... 14 軋制表編寫概況 ................................................................................................ 14 Φ2198管軋制表計(jì)算 ..................................................................................... 14 第四章 MPM 連軋機(jī)孔型設(shè)計(jì)及定減徑機(jī)孔型設(shè)計(jì) ................................................. 17 Φ2198連軋機(jī)孔型設(shè)計(jì) ................................................................................. 17 2 減徑機(jī)的孔型設(shè)計(jì) ............................................................................................ 21 總減徑率 ................................................................................................... 21 分配各機(jī)架的單機(jī)減徑率及求出各機(jī)架孔型的平均直徑 iD .......... 21 各機(jī)架軋輥孔型高度和寬度 ................................................................... 22 確定各軋輥孔型的孔型半徑 R，偏心距 e 和其他尺寸 ....................... 23 第五章 工具設(shè)計(jì) ........................................................................................................ 24 穿孔機(jī)機(jī)的工具設(shè)計(jì) ....................................................................................... 24 MPM 連軋管機(jī)的工具設(shè)計(jì) ............................................................................. 28 脫管機(jī)的工具設(shè)計(jì) ........................................................................................... 30 定徑機(jī)的工具設(shè)計(jì) ........................................................................................... 31 張減機(jī)的工具設(shè)計(jì) ............................................................................................ 32 第六章 主輔設(shè)備選擇 .............................................................................................. 33 主要設(shè)備 ............................................................................................................ 33 MPM 連軋機(jī)組選擇 ................................................................................ 33 輔助設(shè)備選擇 .................................................................................................... 36 加熱爐的選擇 ........................................................................................... 36 穿孔設(shè)備 ................................................................................................... 40 芯棒循環(huán)系統(tǒng) ........................................................................................... 43 脫管機(jī) ....................................................................................................... 46 再加熱爐 ................................................................................................... 48 定徑機(jī) ....................................................................................................... 50 張力減徑機(jī) ............................................................................................... 51 冷床 ........................................................................................................... 52 管排鋸 ..................................................................................................... 54 矯 直設(shè)備 ................................................................................................. 56 第七章 穿孔機(jī)強(qiáng)度校核 ........................................................................................ 57 軋制力能參數(shù)計(jì)算 ........................................................................................... 57 穿孔機(jī)軋輥校核 ............................................................................................... 63 3 第八章 連軋管機(jī)軋制力能參數(shù)和軋輥校核及主電機(jī)選擇 .................................. 65 Φ2198力能參數(shù)和軋輥校核及主電機(jī)選擇 ................................................. 65 管材軋制力計(jì)算 ...................................................................................... 65 連軋管每個(gè)軋輥傳動(dòng)力矩估算為 ........................................................... 70 軋輥強(qiáng)度校核 ........................................................................................... 70 主電機(jī)選擇及校核 ................................................................................... 72 第九章 生產(chǎn)能力計(jì)算及軋制圖表 .................