液化石油气加热05~30650镀锌方案.doc

一、设计依据/Basic Datas:材料: 冷轧硬态钢卷Raw material： Cold rolled steel coils (full hard) – CRNguyn liu Thp cn ngui cng钢种： Q215、Q195、08Al、SPCC、SPCD steel grade : Chng loi生产纲领 5万吨/年production capacity : Sn lưng/ nm 50000T/year年作业计划 300天*24小时Working time K hoch cng tc/ nm 300days*24hours钢卷重量 Max10000Kg/卷Material coil weight Trng lưng cun thp成品重量 Max10000Kg/卷Galvanized coil weight Trng lưng thnh phm 钢卷外径 φ800mm-1600mmOuter diameter ưng knh ngoi钢卷内径 φ508mmInner diameter ưng knh trong钢板厚度: 0.5-3.0mmBase Steel thinkness dy nguyn liu钢板宽度: 100-650mmWidth of base steel Bn rng能源 电、液化石油气Fuel: Nhin liu Electric, LPG(liquid gas)工艺方法: 还原法Technological Method Reverting to original stateLine Direction： Left to Right二、生产线主体技术指标/ Main technical Data:1.生产线最大工艺速度 55m/minMax. line speedTc cng ngh ln nht ca dy chuyn 2.平均镀锌层厚度（双面） 120g/m2Average zinc coating mass (two sides) dy lp m bnh qun (2 mt)3.镀层厚度调节范围（双面） 70-180g/m2Range of zinc coating mass (two sides)4.镀层状态 正常锌花Suface finish: Regular spangleB mt lp m三、工艺流程及设备Process Flow Plan and Technical SpecificationsCu to ca thit b v lưu trnh cng ngh như sau:1、工艺排布Process Flow Plan:主体设备按工艺流程依次组成为：人工上料1#上料小车1#开卷机组1#夹送辊2#上料小车2#开卷机组2#夹送辊3#夹送辊剪切机焊接机剪切机1#S辊入口活套1#对中纠偏2#S辊测张辊还原退火炉快冷段冷却炉炉鼻锌锅气刀冷却塔风冷机组2#对中纠偏水冷钝化烘干3#对中纠偏3#S辊出口活套塔4#对中纠偏4#S辊拉矫机组5#S辊剪切机4#夹送辊收卷机组人工下料。

Mannual uploading --- Uncoiler unit I --- Loading trolley--- Transmission roller --- Uncoiler unit II--- Loading trolley--- Transmission roller --- Transmission roller --- Cut off machine--- Welding machine --- 1# S Roller --- Entry Accumulator --- 1# Centering Unit --- 2# S Roller ---Tension testing roller --- Annealler (for reverting to original state)---Quick Cooling unit --- Stove nose --- Zinc pot --- Gas knife--- Cooling tower --- Air cooling unit –- 2# Centering Unit - Water cooling unit ---Passivation unit--- Drying unit --- 3# Centering Unit --- 3# S Roller --- Exit Accumulator --- 4# S Roller --- Tension Leveler unit--- 5# S Roller --- Transmission roller -Cut off machine --- Coiling unit ---unloading trolley ---Mannual unloading.Nhn cng ln liu – xe nh ln liu 1# – t my nh cun 1# – trc kp dn 1# – xe ln liu 2# - t my m cun 2#- trc kp dn 2# - trc kp dn 3# - my ct – my hn ni dI – my ct – trc 1#S - ng vo lng tr liu – my chnh tm 1# - trc 2#S – trc to lc cng – l hon nguyn - on lnh nhanh – mũi l – l km – dao thi kh – thp lm mt – t my lm lnh bng gi – my chnh tm 2# - lm lnh bng nc – Crommat – sy – chnh tm 3# - trc 3#S - u ra thp lng tr liu – chnh tm 4# - trc 4#S - t my nn thng – trc 5#S – my ct – t my thu cun – nhn cng xung liu.2、设备配置 Technical Specifications2.1 入口段 Entry Section on cng vo2.1.1 开卷上料小车：承重10000kg，液压升降，电动移动。

Loading trolley: carrying the weight of 10000kg hydraulic lift, electric travellingXe nh ln liu, nh cun: kh nng chu ti: 10000kg, ln xung thy lc, chuyn ng bng ng lc.2.1.2 开卷设备为单头，无主动力，液压涨缩，承重MAX 10000kg，带主动压辊，一用一备Uncoiler is single head, hydraulic expansion of the steel coil, MAX10000kg/coil, one set for operation, one set for standby.My nh cun dng mt u nh, b ng, dn n thy lc, chu trng tI 10000Kg, c mang theo trc p ch ng,mt dng mt d phng.2.1.3 夹送辊：将钢带送至焊接处，气动夹紧方式，带抬板，配1.5kw交流驱动电机胶辊为Φ200*850mm压辊2只，数量3台。

Pinch roller : clamp and carry steel strip to welding machine & Entry Accumulator. A.C. Electromotor (1.5KW), 2 pcs of 200*850 mm rubber covered roller perset, including 3sets.Trc kp dn: dn dI thp n my hn ni, ding kh nn kp cht, c tm dn, c ng c xoay chiu 1.5Kw, trc p cao su Φ200*600mm: 2 chic/b, s lưong 3 b2.1.4 入口剪采用液压剪切方式Hydraulic Cut off machine Phng thc ct dI dng ct thy lc.2.1.5缝焊机，焊接厚度最大1.0mm；1.0mm以上钢带用手工电焊,焊机用户自备Welding machine。