【毕业论文设计】年产量40万吨高速线材车间设计.docVIP

年产量40万吨高速线材车间设计 摘 要 根据设计要求拟建一个优碳年产40万吨的高速线材生产车间。它的最高轧制速度为120m/s，保证速度为100m/s，产品规格为φ5.5~φ12mm，盘卷单重约2吨。 连铸坯在步进梁式加热炉中使用煤气加热，侧进侧出，加热能力为75t/h。加热炉由微机控制，出炉温度为900℃～1050℃。 该套轧机采用全连轧无扭工艺，连铸坯为120×120mm，长约为12m，单重约为1.3t的方坯。在12架平立-交替布置的粗轧机和中轧机之后，布置了4架预精轧机，8架精轧机，4架的减定径机组。 轧后冷却通过水冷箱和一套斯太尔摩冷却运输线（120m）来完成。该套斯太尔摩冷却运输系统采用延迟型冷却装置，可对成品轧材的最终性能控制如抗拉强度及产品的金相组织和氧化铁皮厚度进行最终控制。 计算机系统用于控轧和控冷，无张力轧制，最佳剪切尺寸控制和缺陷检测。 本设计采用的工艺技术及选用的设备代表了当今世界上较为成熟的主流先进技术。 Abstract In this design, a new single line high speed wire mill with the output of 400000 ton per year will be built. This maximum rolling speed reaches 120m/s, guarantee speed reaches 100m/s. The specification of the products fromφ5.5 toφ12mm diameter and each coil is about 2 ton. . The billets are heated by mix coal gas in a controlled atmosphere walking-beam furnace which is controlled by computer .The heating capacity is 75t/h,and its exit temperature is from 900℃～1050℃. The rolling mill adopts 120-mm sqare, 12-m long ,and 1.3-ton weight billets which casted by continuation casting machine.After 12 H-Vhorizontal roughing and intermediate stands,a rod-wire process line are arranged .This line consists of 4cantilevered prefinishing stands and a 8-stand Morgan No Twist finishing block.at last,for guarantee its qualtity every wire though off a 4-stand Reducing/size Mill. Post-rolling cooling is achieved by water-cooling conveyor adopts tardy cooling device which carry final control of metallurgical properties such as tensile strength and scale thickness. The computer system is used for controlled rolling and cooling, no-tension rolling, optimum cutting, gage-controll and defect detection, etc. The technology and fracilities this design stands for the prime advanced-technology nowadays. Keywords ：work-shop design wire mill high speed wire 目　　录 摘 要 1 Abstract 2 第一章 概 述 1 第二章 车间产品大纲和金属平衡表 2 2.1车间产品大纲 2 2.1.1产品方案表 2 2.1.2产品交货的技术条件 2 2.1.3产品的性能 3 2.1.4产品国内国际销售应符合以下标准 3 2.2原料及其质量要求 3 2.2.1原料规格 3 2.2.2钢坯的技术条件 3 2.3金属平衡表 4 第三章 设计方案 5 3.1方案的比