Commissioning & Start-up

Commissioning & Start-up is our specialty and we ensure the best quality experts and top solutions to our customers, assuring to respect the customer demands and schedule, fulfilling the shortest shut down periods and tough production demands. Our commissioning team guarantees the best quality specialists on site to handle all pre-operational, testing and commissioning phases. Our aim is to inspect and test plant components, assuring that facilities are in accordance with the project design. As the final step in project execution, we work diligently with detailed planning to provide our clients a rapid ramp up of production. 

LONGS

– Rolling (Bar) Mill, Heavy Section Mill, Rails Mill, Pipe Mills, Mills Finishing Lines, Reheating Furnaces, Grinding Machines, Peeling Machines etc.

Longs products process control consists of:

• Reheating furnance temperature control
• Mill speed control
• Shear cut (head and tail) control
• Shear dividing cut and optimization control
• Temperature material cooling control
• Ghost rolling management
• Discharging on cooling bed control
• Descailing and booster pumps control
• Hydraulic, lubrication, grease and air/oil units control
• Instruments air control
• Automatic stands change control
• Workshop machines adjustment
• Material counting and bundling control
• Indirect and direct water control
• Material cold cut control
• Stacker, layer forming and package control
• Tying and storage control
• Material tracking control (L1 + L2 + L3)

STEELMAKING

• iron making, steel making and casting

  Steelmaking process control consists of:

• Various regulation loops such as flow control (all kind of gas and fluids), liquid steel level control at mould and tundish, pressure control, arc current regulation (hydraulic and electric actuators), temperature control... 
• Various positioning loops using encoders and drives
• Material weighing, dosing and transport
• Product tracking and storing
• Quality control system

Also, steelmaking process control consists of:
Continuous casting machine, electric arc furnace, tunnel furnace, fumes dedusting plant, row material handling, vacuum degassing systems, scrap yard plant, water treatment plant.
The automation part consist of 12-15 PLC’s each with several hundreds I/O, special cards for communication, encoders and regulation.
The PLC’s are networked and controlled by PC based HMI. The process is controlled by PC based Level 2 system (recipes, reports and process control).

FLATS

– flat products, hot and cold rolling and finishing lines.