Renewal of an injection system for lime and carbon

VELCO GmbH in Velbert/Germany was assigned by ESF Elbe-Stahlwerke Feralpi GmbH, the German affiliate of the Italian Feralpi Group, to renew their carbon and lime injection installations at their electric arc furnace.

The installation consists of 2 silos, each with a useful content of 35 m³ for carbon fines and lime. Three dispenser of type UNIDOS 1,0 are installed under each silo. For the foaming slag process lime and carbon are blown with conveying rates up to 100 kg/min via sidewall-lances into the furnace.