STEEL BELT CONVEYORS FOR SEVERE CONDITIONS since 1929

ILVA S.p.A.

THE CHALLENGE

Magaldi was requested to provide higher accuracy in the weighing process in order to improve the efficiency of the fine particle recovery from the screening (MDRI) process, and a dependable conveyor for the transportation of a very abrasive material.
At the beginning of 2007, ILVA S.p.A., one of the biggest European steel mill companies, contacted Magaldi in order to replace the existing vibrating weighing system for dosing the fine particles coming from the sintering process.

 

THE CUSTOMER

ILVA S.p.A., Riva Group family, is an Italian steel manufacturer. The group is currently the world’s eighteenth and Europe's third largest steel producer. Riva Group (consisting of two companies, Riva Acciaio and Ilva) is private-owned and the whole shareholders' equity is held by the Riva family, through the financial institution "Riva FIRE" (which stands for "Finanziaria Industriale Riva Emilio").
The plant in Taranto is the largest steelworks in Europe, equipped with five blast furnaces.

 

THE SOLUTION

In 2007, Magaldi designed, manufactured and supplied a weighing feeder, based on the dependable Superbelt® technology and a weighing device comprising four load cells to continuously weigh the conveyed material. The speed of the weighing feeder can be adjusted through a frequency converter.
The feed rate is determined by integrating the belt speed, monitored by an encoder, and the weight signal given by the load cells. The controller compares the actual feed rate as desired and adjusts the belt speed to deliver a constant feed rate. Magaldi was in charge both of the erection of the weighing feeder and the integration of the electrical signals in the existing PLC of the plant control and monitoring system.
This installation proves, once more, the dependability of the Magaldi Superbelt® technology in conveying an extremely abrasive material along with a ±3% weighing accuracy as requested by the Client.
The Magaldi weighing feeder at ILVA steelworks in Taranto provides these further benefits compared to a conventional weighing equipment:

 

FOR MORE PROJECT INFO CONTACT US