项目名称：1450mm推拉式酸洗生产线  
客户名称：河北京华金属制品公司
项目性质：新建工程
承接方式：京杰锐思总承包
签订时间：2007年3月22日
投产情况：按时投产
运行情况：状态良好

Project Name: 1450mm Push-Pull Pickling Production Line

Customer Name: Hebei Jinghua Metal Products Company

Project nature: New construction project

Undertaking method: General contracting by JJRS

Signing date: March 22, 2007

Production start-up status: Put into production on schedule

Operation status: Good condition 

I. Basic Information of the Unit:

Raw materials: Cold-rolled carbon structural steel, high-quality carbon structural steel and low alloy steel coils

Steel grades: Q195, Q235, ST12, ST13, SPCC, SPCD and 20#

Yield strength: 210-360N/mm ²

Tensile strength: 270-610N/mm ²

Steel strip thickness: 1.5-1.8-4.0mm

Steel strip width: 600-1300mm

Raw material inner diameter: Φ" 610/Φ 760mm

Product inner diameter: Φ" 508/Φ 610mm

Outer diameter of steel coil: max Φ 2000mm/min Φ 1100mm

Single weight of steel coil: maximum 25t

Annual work plan: 300 days *24 hours

Energy: water, electricity, steam

Product form: Roll-to-roll

The production program is 400,000 to 500,000 tons per year

Unit ****** process speed: 120m/min

2.Technical Indicators of the Main Production Line

Process method: Push-pull shallow tank turbulent hydrochloric acid pickling

The layout of the production line: From left to right when viewed from the operation side

Production line ****** process speed: 120m/min

Threading speed: 10-60m/min

Jog speed: 10-30m/min

The transmission mode of the unit: AC drive, variable frequency speed regulation

Acid concentration: maximum 200 g/L HCl, 125g/L Fe2+,5 g/L Fe3+

Minimum pickling time: 26 seconds

Total length of the acid tank: 57.5 meters

Total length of the unit: 125 meters

****** Uncoiling tension: 25 kN

****** Recoiling tension: 68 kN