ACS von TP of hot metal desulphurization with granulated magnesium, Qingdao

Applied equipment and scope of ACS:
• PLC – SIMATIC S7-400 CPU-414-2, SIEMENS
• System of decentralized data collection – SIMATIC S7-300 ET200M, SIEMENS
• Operator panels – OP77B, SIEMENS
• Weight measurement system – SIMATIC S7-300 SIWAREX U, SIEMENS
• Frequency inverters – YASKAWA A1000 (Customer’s requirement), YASKAWA
• Low voltage complete devices – SIEMENS, KRIPAL, PHOENIX CONTACT
• Конструктив шкафов – RITTAL
• data transmission networks– PROFIBUS DP, INDUSTRIAL ETHERNET

ACS of hot metal desulphurization with granulated magnesium includes control of the following devices and processes:
• control of process of lance input  into liquid melt.
• control of temperature measurement process and sample taking from liquid melt.
• control of relocation process of hot-metal ladle truck and slag pot truck.
• control of gas removal and aspiration system.
• control of lime charging device.
• control of ladle tipping process.
• Bubbler control.
• control of hot-metal ladle truck gates and slag pot truck.
• control of the system of weight measurement of lime, which is charged into the  bucket, and control of filling degree of charging hopper of lime charging device.

Scope of works:
• development of design documentation: 
– automation – automation of heating, ventilation and air conditioning systems , stage “Working project”; 
– power supply equipment – electrical installation works, stage “Working project”.
• development of software for  system of hot metal desulphurization with granulated magnesium .
•on-site supervision works.
• automation and control system commissioning.
• trainings for operating and process personnel.

Schematic structure