Heat Recuperation from Hot Blast StovesCosts & Benefits
|Parent Process: Blast Furnace System|
|Energy Savings Potential||
This technology can reduce the energy demand by 0.24 GJ/t-HM. Its global application has 0.2 EJ/y energy reduction potential (EIA, 2007. p.126).
Energy savings can be as much as 0.3 GJ/t-pig iron (Worrell, 2010. et al., p. 87)
Various systems allowing fuel savings between 80 to 85 MJ/t-HM have been installed. (US EPA, 2010. p. 20)
By recovering 40-50% of the sensible heat from the stove flue gases, 0.125GJ/t-pig iron saving has been realized in a 1 Mt/y BF system in Japan (NEDO, 2008. p. 72)
|CO2 Emission Reduction Potential||
With global application of this technology, CO2 emissions could potentially be reduced by 20 Mt annually (EIA, 2007. p.126)
Heat Recuperation from Hot Blast StovesSchematic
Heat Recuperation from Hot Blast Stoves 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.
This revised 2008 version of the publication from New Energy and Industrial Technology Development of Japan includes information on innovative Japanese technologies for energy efficiency and for the reduction of CO2 emissions.