Variable Frequency Drives on Ventilation Fans

As the BOF plant has a batch-wise operation with high variations in gas flows, installation of variable frequency drives for the large fans used as part of this process can be cost-effective. 

Development Status Products
Commercial
steel

Variable Frequency Drives on Ventilation FansCosts & Benefits

Parent Process: Basic Oxygen Furnace
Energy Savings Potential

This technology reduces the power demand by approximately 20%, or 1.0 kWh/t-steel.
CO2 Emission Reduction Potential

Emissions reduction of 0.51 Kg CO2/tonne liquid steel is estimated.
Costs

Retrofit capital cost is approximately $1.7 million, or $0.31/t-liquid steel.

Variable Frequency Drives on Ventilation Fans Publications

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry

Date: 

Oct
2010

Source: 

United States Environmental Protection Agency

Format: 

PDF

Type: 

Publications

The U.S. Environmental Protection Agency’s (EPA) energy guide, Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry, discusses energy efficiency practices and technologies that can be implemented in iron and steel manufacturing plants. This guide provides current real world examples of iron and steel plants saving energy and reducing cost and carbon dioxide emissions.

http://www.energystar.gov/ia/business/industry/Iron_Steel_Guide.pdf?25eb-abc5

Page Number: 

88

Available and Emerging Technologies for Reducing Greenhouse Gas Emissions from the Iron and Steel Industry

Date: 

Oct
2010

Source: 

United States Environmental Protection Agency

Format: 

PDF

Type: 

Publications
http://www.epa.gov/nsr/ghgdocs/ironsteel.pdf

Page Number: 

9

Variable Frequency Drives on Ventilation Fans Resources