1450 酸洗生产线.docx

1、1450 酸洗生产线 1450mm 400 thousand Pickling line1450mm 40万吨酸洗生产线May, 20081. Product and capacity 产品及能力1.1. Product specification 产品规格Material: Low carbon steel and middle carbon steel钢种：优质碳素钢、普通碳素钢及低合金结构钢Steel No.: SPCC, SPCD, SPCE, SS400, Q195, Q215 and Q235, etc.钢号：SPCC、SPCD、SPCE、SS400、Q195、Q215和Q235等

2、 Delegated steel No.: Q215代表钢号：Q215Coil inside diameter: D=762610mm钢卷内径Coil outside diameter: D=11002050mm钢卷外径Strip width: 7801270 mm钢板宽度Strip thickness: 2.04.0mm钢板厚度Max. coil weight: 25MT最大卷重Mechanical property: s360N/mm2机械性能Quality requirement: According with the current standard stipulation of Ch

3、ina质量要求：符合国家现行标准规定。1.2. Production capacity: 生产能力1.2.1. Line parameter机组参数Total length of the line: L100m机组总长度Max. linear speed: Vmax.=90m/min最大线速度Threading speed: V30m/min穿带速度1.1.2. Calculating product specification计算产品规格Strip width: 7801270 mm钢板宽度Strip thickness: 1.84.0 mm钢板厚度Average coil weight:

4、Q20,000Kg平均卷重Average strip length: L886m平均钢板长度1.1.3. Production period of single coil单卷生产周期Coil loading time: 120s上卷辅助时间Threading time: 6098/30=196s穿带时间Calculating running speed: 0.8max=72m/min计算运行速度Pickling time: 60788/0.8max=657s酸洗时间Production time of single coil: T120+196+657=973s1000s单卷生产时间1.1.4

5、. Hourly production capacity: Qh3600Q/1000T=72.0t小时产量1.1.5. Production capacity of each shift单班产量Working rate: 90%作业率Production capacity of each shift: 0.98Qh=518.4t单班产量1.1.6. Daily production capacity: Qday30.98Qh=1555.2t日产量：Q日30.98Qh=1555.2t1.1.7. Annually production capacity年产量Calendar time: 365

6、days日历时间Stop time for annually maintenance: 15days年修停机时间：15天Current repair and holiday time: 122+1236 days小修及国定假时间：122+1236天Annual production time: 365-15-36314 days年生产时间：365-15-36314天Annual production capacity: 314Qday488,332MT400 thousand MT年产量：314Q日=488,332t40万吨2. Specification of the pickling li

7、ne 设备技术规格书2.1. General introduction总概述This pickling line is pull-push type and adopts the advanced shallow tank turbulent flow pickling technology. The line provided is mature and reliable and proved by producing practice.本机组为推拉式酸洗机组，机组采用浅槽紊流酸洗技术。机组配置经生产实践证明是成熟的、可靠的。The equipments of the line except

8、ing the payoff reel and tension reel will adopt the aerial arrangement. The running level of the steel strip is +2.200. The uncoiling, pickling and coiling will be finished online completely. It has the convenient operation, less fault, high efficiency working and other features. It can satisfy user

9、s with stable production and long-term running.本机组除开卷机、卷取机外，其余设备架空布置，钢板运行标高+2.200，钢卷展开、酸洗、卷取全部在线完成，具有操作维护方便，故障少，作业率高等特点，可满足长期稳定生产之要求。2.1.1. Pickling process设备工艺流程Coil receiving tablecoil loading carpressing roll device and coil opening device1# side guiding centering device9-roll straightening level

10、erhydraulic shearcrop shearpickling tank (squeezing roll) cleaning tank (squeezing roll) (crop collecting device) hot air dryer2# side guiding centering device1# pinch rollmovable swing table3# side guiding centering device2# pinch rolldisc shearsteel strip platform3-roll type bridle roll turning ro

11、ll for oil coating tension reel (slitter edge coilerscrape collecting device)coil unloading carreceiving table受料台上卷小车开卷机压辊装置及开卷器1#侧导对中装置九辊矫直机液压剪切头剪酸洗槽（挤干辊）清洗槽（挤干辊）切头收集装置热风干燥器2#侧导对中装置1#夹送辊活套摆动台3#侧导对中装置2#夹送辊圆盘剪带钢台架三辊式张力机涂油转向辊卷取机废边卷取机废卷收集装置卸卷小车受料台。2.1.2. Main performance parameter of the line机组主要性能参数2.

12、1.2.1. Line speed机组速度:Process speed: Vmax.=90m/min工艺速度：Threading speed穿带速度：30m/min2.1.2.2. Pickling tank酸槽： Section quantity: n=4 class pickling段数：n=4级酸洗，Tank length of each section: 11.75m单段槽长 2.1.2.3. Total length of the line: L=100m机组总长2.1.2.4. Power required: 1000 KW装机容量2.1.3. Main control funct

13、ion of the line机组主要控制功能2.1.3.1. Equipment sequence control设备顺序控制 2.1.3.2. Line speed control机组速度控制 2.1.3.3. Line tension control机组张力控制 2.1.3.4. Pickling tank temperature control酸槽温度控制 2.1.3.5. Waste acid concentration checking and discharging control废酸浓度检测、排放控制 2.1.3.6. Rinsing water conductivity ch

14、ecking control漂洗水电导率检测控制 2.1.3.7. Running parameter setting of the line机组运行参数设定 2.1.3.8. Accident alarming事故报警2.2. Technology specification of equipment设备技术规格书 2.2.1. Mechanical equipment机械设备2.2.1.1. Coil loading (unloading) car and saddle上（卸）卷小车及鞍座The coil loading (unloading) car is used for transp

15、orting the steel coil onto the coil drum of the payoff reel or transporting the steel coil onto the special equipment for temporary storing from the coil drum of the payoff reel.上（卸）卷小车是用于将钢卷输送到开卷机卷筒上，或将卷取机卷筒上的钢卷输送到临时存放位置的专用设备。The coil loading (unloading) car is composed of the fixed saddle and the

16、horizontal transverse moving car with the vertical lifting and falling saddle.上（卸）卷小车由固定鞍座和有垂直升降鞍座的水平横移小车两部分组成。Equipment performance:设备性能： Max. loading weight: 25MT最大载重量 Outer diameter of steel coil: 1000-2000mm钢卷外径 Lifting and falling height of saddle: 750mm鞍座升降高度 Quantity of fixed saddle: 2 pairs固

17、定鞍座数量：2付2.2.1.2. Payoff reel开卷机The payoff reel is used for uncoiling the steel coil into the strip and providing the suitable tension to the steel strip.开卷机用于将卷状钢板展开成条状，并为钢板提供合适张力的专用设备。The payoff reel is the hydraulic flexible cantilever type floating payoff reel with the auxiliary support and it is

18、 mainly composed of the payoff reel, transverse moving mechanism and auxiliary support, etc.本机组开卷机为带辅助支撑的液压涨缩悬臂式浮动开卷机，主要由开卷机、横移机构和辅助支撑等部分组成。Equipment performance设备性能： Effective length of coil drum: L=1450mm卷筒有效长度 Diameter of coil drum: D=762/610mm卷筒直径 Flexible stroke: D=50mm卷筒涨缩量 Floating range: 100

19、mm浮动范围 Payoff tension: 25KN开卷张力 Motor power: 55 KW电机功率 Linear speed: V=90m/min线速度2.2.1.3. Pressing roll device and opening device压辊装置及开卷器：The opening device is used for fetching out the head of the steel coil and transporting the strip head to the next procedure.开卷装置用于引出钢卷的头部，并将板头输送到下一工序。The opening

20、 device is composed of the movable frame with the pressing roll driven by the oil motor and the flexible and wobbly uncoiling shovel plate.开卷器由带油马达传动压辊的可摆动框架及可伸缩、摆动的开卷铲板两部分组成。2.2.1.4. Side guiding centering device侧导对中装置The side guiding centering device is used for guiding and position controlling th

21、e running steel strip.侧导装置用于对运行中的钢板进行导向和位置控制。The side guiding centering device is composed of the vertical roll stand and adjusting device of the vertical roll gap.侧导对中装置主要由立辊架和立辊开口度调整装置两个部分组成。Equipment performance设备性能： Vertical roll: 150150mm立辊 Gap: 750 mm开口度 2.2.1.5. 9-roll straightening leveler九辊

22、矫直机The straightening leveler is mainly used for straightening the head of the steel strip for easily sequent treating the head of the steel strip and threading. The pinch roll of the straightening leveler deliver the head of the strip into to the straightening leveler and at the same time the pinch

23、roll also can establish the tension for the steel strip in the payoff section.矫平机主要用于对钢卷头部进行矫平处理，以便于板头的后序处理和穿带。矫平机的夹送辊除将板头送入矫平辊外，同时起到对开卷段钢板的建张作用。The straightening leveler is mainly composed of the pinch roll, straightening roll and driving part. The up roll of the straightening roll has the manually

24、 adjusting device and the up roll of the straightening roll has the hydraulic roll-lifting device.矫平机主要由夹送辊、矫平辊和传动三个部分组成。矫平辊的上辊有手动调节装置，夹送辊和矫平辊的上辊有液压抬辊装置。Equipment performance:设备性能： Pinch roll: 3001500mm夹送辊 Straightening roll: 1501500mm矫平辊 Motor power: 75 KW电机功率 Linear speed: =90m/min线速度2.2.1.6. Hydr

25、aulic shear液压剪The hydraulic shear is used for cutting out the oversize and abnormal parts of the steel strip head.液压剪用于切除钢卷头部超差和不规则部分。The hydraulic shear is the structure that has the external cylinder, synchronizing connecting rod and the down-cutting type inclined blade steel plate shearer.液压剪为外置油

26、缸、连杆同步、下切式斜刃剪板机结构。Equipment performance设备性能： Cutting force: 16t剪切力 Blade: 30801450mm, 2剪刃 2.2.1.7. Angle shear切角剪The angle shear is used for treating the strip head. After cutting, the strip head will be V-type for insuring the strip head can go through the production line smoothly.切角剪用于板头处理，经剪切后，板头

27、呈V字形，以保证板头顺利穿越作业线。The angle shear is composed of two sets of 90 separation angle, down-cutting and inclined blade steel plate shearer.切角剪由两套成90夹角的下切式斜刃液压剪板装置组合而成。Equipment performance设备性能： Cutting force: 8t剪切力 Blade: 3080600mm，3剪刃 2.2.1.8. Crop (scrap) collecting device切头（废卷）收集装置The crop (scrap) col

28、lecting device is used for collecting the waste plate from the hydraulic shear and the angle shear or the scrap from the slitter edge coiler.切头（废卷）收集装置用于收集液压剪、切角剪切下的废板或废边卷取机送出的废边卷。The collecting device is composed of the storing box, car and winding device, etc.收集装置由储料箱、小车及卷扬装置等部分组成。Equipment perfor

29、mance:设备性能： Load capacity of car: 3MT小车承载能力 Traction of winding device: 750Kg卷扬牵引力 Traction speed: 12m/min牵引速度 2.2.1.9. Squeezing roll挤干辊The squeezing roll is used for squeezing the acid liquid or water on the surface of the steel strip and providing the suitable tension to the steel strip for makin

30、g the steel strip keep the suitable down-verticality.挤干辊用于挤去钢板表面的酸液或水，并为钢板提供合适的张力，以使钢板保持合适的下垂度。The squeezing roll is composed of the squeezing covered with the rubber, frame type stand, pneumatic screw down and driving part.挤干辊由一对包胶的挤干辊、框式机架、气动压下及传动部分组成。Equipment performance:设备性能： Squeezing roll: 2551500mm挤干辊 Motor power: 5.5 KW电机功率 Linear speed: =90m/min线速度2.2.1.10. Pickling tank酸洗槽The pickling line is the main process equipment of the pickling line and it is used for cleaning the oxide skin on the surface of the steel plate.酸洗槽是机组的主要工艺设备，用于清除钢板表面的氧化皮。Th