唐钢热轧部介绍20140526

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2号机 2# caster
3号机 3# caster
4号机 4# caster
气雾,air-spray
气雾,air-spray
涡流式,Eddy current
yes yes yes yes yes 3-5ppm yes yes SPHC (DC01), SPHD (DC03) IF(DC04)
Cs-137
平行直板, flat plate
1.6-2.0m/min 1.6-2.5m/min hydraulic
漏斗, funnel-shaped
4.0-5.0m/min hydraulic
1号机 1# caster 二冷方式, secondary cooling 结晶器液位检测 Liquid level measure type 漏钢预报, breakout prediction 板坯去毛刺机 slab deburring machine 软压下,Soft reduction 浸入式水口快换, Submerged nozzle fast exchange 上水口吹氩 argon blowing for upper nozzle 塞棒吹氩 Argon blowing for Stopper 增氮量, Nitrogen pick-up 辊缝测量仪, Roller clearance measuring instrument 下渣检测, slag detection 低碳钢种 Low carbon steel grade
炉座数量,Furnace number
RH精炼系统 RH Refining
项 目,item 一次处理钢水量,Total steel weight of each treatment heat 处理能力,Treatment capacity 处理周期,Treatment period 指标,Parameter
LF精炼 Ladle furnace refining
1#LF、2#LF、 3#LF with dual stations Min:140ton 处理钢水量 ,Normal refining steel weight 炉顶升降行程 ,Furnace roof lifting stroke 电极极心圆直径, Electrode circle diameter 电极行程, Electrode stroke 单节电极长度, Single electrode length 钢包透气砖数量, Purging plug number each ladle 升温速率, Reheating speed 生产周期, Treatment period 年生产能力, Total production capacity Ar气流量,Ar Flow meter Normal:150ton Max: 160ton 700mm 750mm 2900mm 1800mm 2pics 4 ℃/min 40 min 4.5 Mton 0~1000NL/min
850-1500mm
1520 30min 18hour
பைடு நூலகம்
850-1550mm
1530 55-65min 16hour 13-15m
860-1730mm
1680mm 38-55min 16hour 10-34m
中间包连浇时间 Tundish continuous casting period
板坯长度 Slab length 结晶器形状 Mould shape 拉速,casting speed 振动,oscillation
Production Stock
第一钢轧厂的厂区布置主要包括4个部分:钢区、1700热轧线、 1810热轧线、成品库等。
二、全生产线简介 Overview of Line
2500m3X2 Blast furnace 3200m3X2 Blast furnace 倒罐站 预处理 2 HM Pretreatment stations 2 HM Reladling stations
1700 line 2005.12 3000,000Ton/year 282,200mm 2003.1
1810 line 2500,000Ton/year
375,000mm (加热炉长230,915m)
加热炉进口到末卷取机中心线 70~90mm
轧线长度,hot rolling length
2#炉中心线到末卷取机中 心线 150/180mm
成品规格 Production size
1700中薄板坯热轧生产线工艺流程 Overview of Medium-thin slab hot strip production line
2700mm
550mm
抽气能力, pumping capacity 120Pa,600kg/h
125t/min 蒸汽喷射泵 steam injectors
超薄热带板坯连铸系统 Ultra-thin hot slab continuous casting system 中薄板坯连铸系统 Medium thin slab continus casting system
1700 Medium-thin slab hot strip production line
技术参数(technique Parameters) 类型(type): 单吹颗粒镁 single blowing granular magnesium 工位(stations): 2 处理能力(capacity): 3 Mton/year 铁水重(HM weight): 140~160ton 铁水深度(HM depth):3.4~3.5m 铁水包内径(Ladle diameter): >2.9m 净空(clearance):0.3~0.4 m 渣量比(HM slag ratio): 0.5~1.5% 喷枪(blowing lance type):直流式 direct 载气(carrier gas):氮气 N2 氮气工作压力(N2 working pressure): 0.45~0.60MPa 氮气工作流量(N2 working flowmeter): 130~150m3/h 喷镁能力(Mg flowmeter): 4~18kg/min 镁枪深度(Mg lance depth):280mm to ladle bottom 扒渣机(deslagging machines): 2 处理周期(treatment period):15~50min 喷吹周期(injection period):6~25min
厚度,thickness
板坯规格 Slab size
宽度,width
最大坯重, Max weight 厚度,thickness 宽度,width 最大卷重, Max weight
850~1,550 mm
27 Ton 1.5~12.7mm 850~1,550mm 27 Ton
850~1680mm
200 Ton 0.8~12.7mm 850~1,680mm 30 Ton
Min:150ton/heat Ave:155ton/heat Max:165ton/heat 1.2Mton/year(SPHD) Ave:33min(SPHD),55min(IF)
真空槽外径,vacuum vessel diameter
浸渍管内径,submerged tube inner diameter 环流量,circulation rate 真空泵型式 ,vacuum pump type
yes no Dynamic soft reduction 3-5ppm yes yes SPHC (DC01)
1810和1700热轧生产线介绍 Overview of 1810 and 1700 hot rolling line
唐钢 Tangsteel 项目
投产年份,commissioning year 设计产能,design capacity
唐钢热轧部简介
Introduction of hot rolling department of Tangsteel
一、厂区布置 Layout of Factory
1810 Ultra-thin slab hot strip production line
Steelmakeing Zone 1700 Medium-thin slab hot strip production line
生产线 Production line
1700
1号机 1# caster 直弧形s traight-arc 2号机 2# caster 直弧形 straightarc 1 150mm 3号机 3# caster 直弧形straight-arc
1810
4号机 4# caster 直弧形 straight-arc
1810 Ultra-thin slab hot strip production line RH真空处理 1×RH Refining 3座150t LF炉 150ton×3 LF Refining
两台单机单流 薄板坯连铸+两座隧道式加热炉 +R2+F5连轧机组 Two ultra-thin slab casters + two tunnel reheating furnace + two rough mills + five finish mills
机型 Type 注流数 Strand 板坯厚度 Slab thickness
中板坯 Medium-thin slab 2 1
薄板坯 Ultra-thin slab 1 65mm,70mm, 90mm
板坯宽度 Slab width
最大板坯宽度 Yielded max slab width 每炉浇铸周期 Each heat casting period
鱼雷罐 torpedo
1#
2#
3#
Tapping
钢包准备
加入废钢 Scrap Charging
兑铁 HM Charging
出钢 3座150t顶底复吹转炉 150ton×3 BOF with bottom stirring Ladle Heating
二次精炼 Secondary Refining
一台双机双流中薄板坯连铸机+ 一台单 机单流中薄板坯连铸机+ 两座步进梁加 热炉(热装)+R1+F7连轧机组 one medium-thin slab caster with one strand one medium-thin slab caster with two strands + two walking beam reheating furnace ( hot charging) + one rough mill + seven finish mills
铁水预处理系统 HM Pretreatment
转炉 Converter
类型(type): 顶底复吹转炉 3×top and bottom combined blown converter 公称容量(nominal capacity):150t 炉容比(furnace volume ratio): 0.93 最大出钢量(Max Tapping weight): 160t 有效容积(effective volume):139.764m3 熔池直径(bath diameter):5068mm 熔池深度(bath depth):1495mm 氧枪(blowing lance type):4孔或5孔 4- holes or 5-holes 氧枪夹角(lance angle):13° 氧枪O2工作压力(O2 working pressure): 0.8~0.9MPa 底吹系统(bottom stirring type): 8 circular gap plugs 底吹供气强度(bottom stirring flowmeter): about 0.04Nm3/min.ton 挡渣系统(slag stopper):slag-stopping awl 冶炼周期(melting period ):40min 自动炼钢系统(automatic steelmaking technology type):烟气分析 offgas Dynacon system by SVAI
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