2.0~4.0mm*1300mm 800000t/y Push-pull Acid Pickling Production Line
Equipment and system configuration
The uncoiling section is equipped with double pay off reels to reduce the coil loading time, improve the utilization rate of the unit and increase the capacity.
The entry section is equipped with 9-roll pinch straightener, end and angle cutting shears to ensure the passing ability of strip steel.
The pay-off reel in the entry section is powered. It can automatically uncoils coil and float to ensure the neutrality of strip steel.
The tension of uncoiling section can be adjusted, and the pressure roller is equipped to ensure the smooth operation of strip steel.
The entry section is equipped with vertical guide roller to ensure the accuracy of strip steel position in 9 roll pinch straightener and entering the process section.
The process section is equipped with backwashing section to prevent the pollution of the front section equipment when the strip is pumped back.
Squeezing roll is set between each process tank to ensure that the tank liquid is distributed according to the process requirements;
Double squeezing rollers are set at the exit of pickling tank and washing tank to improve the process efficiency.
It is equipped with acid mist emission system to ensure that the unit emissions meet the environmental protection requirements;
Each process tank is equipped with independent circulation and pickling tank heating system;
It is equipped with necessary temperature and liquid level monitoring to realize automatic temperature control in the process section of the unit;
The necessary acid concentration meter and conductivity meter are equipped to accurately control the discharge concentration of waste acid.
The exit section is equipped with pinch centering roll CPC to ensure the accuracy of strip position.
It is equipped with cantilever disc shear to ensure the quality of cutting edge;
The exit section is equipped with three-roll tension bridle roll to provide the necessary tension for coiling.
Coiler box floating, automatic edge alignment.
It is equipped with advanced CPC and EPC system to ensure that the strip runs in the center of the production line;
It is equipped with Siemens S7 ~ 1500PLC control system and YASKAWA GA700 frequency converter to achieve the precise control of the production line speed and tension, to ensure the stable operation of the production line;
Set the hydraulic system at the entry and exit to provide power for the equipment nearby;
It is equipped with pneumatic system. The compressed air is supplied by the user through pressure regulation, fine filter and then transported to all the cylinder on the line;
Basic Parameter
| Inner diameter of coils after pickling: |
ф508mm |
| Coil outer diameter |
max. ф 2000mm |
| Coil weight: |
max 25t |
| Annual work plan: |
300 days×24 hours |
| Energy: |
water, electricity and vapor |
Beijing JJRS Technology Development Co., Ltd. registered in national high tech park-Beijing Economic and Technological Development Zone, is high-tech enterprise specialized in the complete set of metallurgical equipments, intensive processing of steel strip and metal surface coating engineering project, with the integration of mechanism, optics, electric and hydraulic pressure.
JJRS is professional on turn-key projects, from general planning, designing, to manufacturing, installing, commissioning and servicing. Besides, our business also covers single equipment’s designing, manufacturing and installing, as well as electric transmission, control system and spare parts. All basing on these supporting businesses, we mark out a developing strategy that taking metal strip intensive processing and color coating production lines as main, and the associated industry products as supplement.
