3.4 fume suction system
existing fume suction system is reused. for ECOARC, existing EAF direct suction ducts shall be modified as below
Eising EAF direct suction ducts consist of a fume collecting duct, a settling chamber, water-cooled ducts, air-cooled ducts and cyclones in order, and finally connected to the existing building suction duct. For the ECOARC, the existing fume collecting duct,