Fume Extraction System (FES)
A Furnace Fume Extraction System in steel plants efficiently captures and treats hazardous furnace gases, preventing dust and toxic emissions from spreading into the workspace. By cooling and filtering fumes through advanced pollution control units, it helps maintain a safer environment, supports regulatory compliance, and enhances operational reliability.
The furnace fume extraction system in steel plants is a critical environmental and safety installation designed to capture, cool, and clean the hot dust-laden gases released during steelmaking operations. By drawing fumes directly from the furnace through ducts and cooling arrangements, the system prevents harmful emissions from entering the workplace atmosphere. These gases are then treated in pollution control equipment such as bag filters or electrostatic precipitators, ensuring compliance with air quality standards while protecting worker health and improving plant efficiency.
| Furnace Type | Nature of Fumes Generated | Typical FES Equipment Used |
| Electric Arc Furnace (EAF) | High dust load, metallic oxides, CO, NOx during scrap/DRI melting |
Water-cooled ducts, forced draft coolers, bag filters, ID fans |
| Induction Furnace (IF) | Metallic fumes, fine dust, CO during melting | Hood extraction, spark arrestors, bag filters |
| Blast Furnace (BF) | Dust, CO, SOx at cast house and tapping points | Cast house extraction hood, dust catcher, bag filters/ESP |
| Basic Oxygen Furnace (BOF/LD Converter) |
High-temperature CO-rich gases, metallic oxides during oxygen blowing | Gas hood, cooling system, ESP or bag filters |
| Cupola Furnace (Foundries) | Heavy dust, CO, SOx from coke combustion | Extraction hood, cyclone separators, bag filters |
| Secondary Metallurgical Units (Ladle Refining, Vacuum Degassing) |
Localized metallic fumes, dust at tapping/refining points | Local extraction hoods, bag filters |
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