学号:201008080105HEBEI UNITED UNIVERSITY毕业设计说明书G RADUATE D ESIGN设计题目:年产280万吨1810热轧带钢车间设计学生姓名:胡少梅专业班级:10轧1班学院:冶金与能源学院指导教师:崔岩讲师2014年6月3日摘要随着钢铁行业的快速发展市场对热轧宽带钢的需求量依旧很高,根据我国热轧带钢的生产现状以及任务书的要求我设计了这条年产280万吨1810热轧带钢生产线。
按照车间设计的步骤主要完成建厂经济依据论述、产品大纲制定、轧机比较及布置选择、压下量分配、轧制规程计算、轧制图表、年产量计算、轧制力计算、轧辊校核、发电机校核、凸度规程计算、原始轧辊辊型设定、辅助设备的选择及金属平衡、燃料消耗计算。
设计中参阅了国内外有关的先进工艺轧机的设备、技术及一些辅助设备的论述特别参考了本钢1700、唐钢1700、鞍钢1780等热轧带钢生产参数和现场数据,使本设计车间达到工艺合理、设备先进,为今后车间的后续发展创造条件。
本设计车间能生产的带钢品种多、规格齐全。
产品规格为1.5~18mm,典型产品为5mm。
设计附有车间平面图。
关键词:1810热轧带钢;车间设计;CVC轧机;HC轧机AbstractWith the development of iron industry, the market requirement for hot rolled broad steel is still in a high level. According to the modern state of iron industry of our country and the task requirements, I designed this hot-rolling workshop for an annual output of 2.8 million tons.Steps in accordance with the workshop design, I mainly complete building of economy, the product outline of the development, comparison and mill layout options, press distribution, the calculation of order rolling, rolling chart, annual terms, the calculation of rolling force and roll strength, the electrical heat check, crown of order, the original roll-type settings, the choice of auxiliary equipment and the calculation of fuel consumption.Refer to the design of domestic and foreign advanced technology of the rolling mill, rolling mill equipment, technology and some discussion of auxiliary equipment, especially reference to the Anshan Iron and Steel hot-rolled sheet production line parameters, making the design process to achieve a reasonable workshop, advanced equipment, and making rooms for the future development.The steel plant can produce more complete specifications. The product specifications range 1.5 to18mm.Keywords: 1810 hot-rolling; workshop design; CVC rolling mill; HC rolling mill目录摘要 (I)Abstract (II)第1章绪论............................................................................................................. - 1 -1.1热轧带钢的发展 . (1)1.2热轧带钢生产工艺 (2)1.2.1 热轧带钢的应用性.................................................................................................... - 2 -1.2.2 热轧带钢的发展趋势及特点.................................................................................... - 4 - 1.3本课题的来源 (8)1.4本文主要内容 (9)1.5本章小结 (9)第2章建厂依据及产品大纲............................................................................... - 10 -2.1建厂依据 (10)2.1.1可行性研究............................................................................................................... - 10 -2.1.2 地理与资源.............................................................................................................. - 10 - 2.2产品大纲.. (11)2.2.1 产品大纲的编制原则.............................................................................................. - 11 -2.2.2产品大纲................................................................................................................... - 11 -2.2.3 产品规格.................................................................................................................. - 11 - 2.5本章小结 (12)第3章生产工艺流程制定................................................................................... - 13 -3.1制定生产工艺流程的主要依据 .. (13)3.2生产工艺简介 (14)3.3本章小结 (15)第4章坯料的选择............................................................................................... - 16 -4.1坯料的种类. (16)4.2坯料的尺寸 (16)4.3坯料的材质 (16)4.4坯料表面的缺陷清理 (17)4.5本章小结 (17)第5章主要设备的选择与布置........................................................................... - 18 -5.1轧机的选择. (18)5.1.1 粗轧机的选择.......................................................................................................... - 18 -5.1.2精轧机的选择........................................................................................................... - 23 - 5.2保温装置 (34)5.2.1保温装置的概述....................................................................................................... - 34 -5.2.2 保温装置的选择...................................................................................................... - 35 - 5.3本章小结 (35)第6章典型产品的压下规程设计....................................................................... - 36 -6.1压下规程设计 (36)6.1.1 轧制道次选择.......................................................................................................... - 37 -6.1.2 粗轧机组压下量分配.............................................................................................. - 37 -6.1.4 校核咬入能力.......................................................................................................... - 39 - 6.2确定速度制度 (39)6.2.1 粗轧速度制度.......................................................................................................... - 39 -6.2.2 粗轧延续时间.......................................................................................................... - 39 -6.2.3 精轧速度制度确定.................................................................................................. - 40 -6.2.4 精轧轧制延续时间.................................................................................................. - 40 - 6.3轧制温度的确定 .. (41)6.3本章小结 (43)第7章力能参数的计算....................................................................................... - 44 -7.1轧制力的计算 (44)7.1.1 粗轧段轧制力计算.................................................................................................. - 44 -7.1.2 精轧段轧制力计算.................................................................................................. - 45 -7.1.3 各机架的空载辊缝设定:...................................................................................... - 46 - 7.2轧制力矩的计算 .. (47)7.3附加摩擦力矩的计算 (49)7.4空转力矩的计算 (50)7.5动力矩的计算 (51)7.6轧辊辊型设计 (52)7.6.1 各架出口凸度的确定.............................................................................................. - 53 -7.6.2 热膨涨热凸度.......................................................................................................... - 53 -7.6.3 轧辊挠度曲线.......................................................................................................... - 54 -7.6.4 凸度分配.................................................................................................................. - 55 - 7.7本章小结.. (55)第8章轧辊强度的校核与电机的选择............................................................... - 56 -8.1综述. (56)8.2轧辊强度校核 (56)8.2.1 支承辊强度校核...................................................................................................... - 56 -8.2.2 工作辊的校核.......................................................................................................... - 58 -8.2.3工作辊与支撑辊间的接触应力............................................................................... - 60 - 8.3电机的选择. (63)8.3.1轧制过程中静负荷图的制定................................................................................... - 63 -8.3.2主电机的校核........................................................................................................... - 65 - 8.4本章小结 (66)第9章轧机产量的计算....................................................................................... - 67 -9.1轧机小时产量. (67)9.2轧机平均小时产量 (68)9.3轧钢车间年产量计算 (68)9.4本章小结 (69)第10章辅助设备的选择..................................................................................... - 70 -10.1热炉选择. (70)10.1.1加热能力的确定..................................................................................................... - 71 -10.1.2炉子数量的确定..................................................................................................... - 71 -10.2除鳞装置的选择 (72)10.2.1除鳞的必要性......................................................................................................... - 72 -10.2.2各种除鳞方式的比较............................................................................................. - 73 -10.2.3本次设计除鳞装置的选择..................................................................................... - 73 - 10.3剪切设备的选择. (74)10.4带钢冷却装置 (75)10.5卷取设备的选择 (77)10.6辊道的选择 (78)10.7活套支撑器 (79)10.7.1概述......................................................................................................................... - 80 -10.7.2活套支撑器的相关参数的计算............................................................................. - 81 - 10.8控制设备. (82)10.8.1厚度控制................................................................................................................. - 82 -10.8.2板形控制................................................................................................................. - 84 -10.8.3宽度控制................................................................................................................. - 85 - 10.9本章小结. (86)第11章轧钢车间平面布置及经济技术指标..................................................... - 87 -11.1轧钢车间平面布置 (87)11.2车间技术经济指标 (87)11.2.1各类材料消耗指标................................................................................................. - 87 -11.2.2综合技术经济指标................................................................................................. - 89 - 11.3本章小结. (91)结论..................................................................................................................... - 92 -参考文献................................................................................................................. - 93 -谢辞..................................................................................................................... - 95 -第1章绪论1.1 热轧带钢的发展改革开放之前中国热轧带钢轧机只有鞍钢建国初期由前苏联援建的鞍钢1700半连轧机和20世纪70年代武钢从日本引进的3/4连续式1700热连轧机,技术水平与国际上有很大的差距。