U.S. Department of EnergyOffice of Scientific and Technical Information
Development and Demonstration of a High Efficiency, Rapid Heating, Low NOx Alternative to Conventional Heating of Round Steel Shapes, Steel Substrate (Strip) and Coil Box Transfer Bars
Abstract
Direct Flame Impingement involves the use of an array of very high-velocity flame jets impinging on a work piece to rapidly heat the work piece. The predominant mode of heat transfer is convection. Because of the locally high rate of heat transfer at the surface of the work piece, the refractory walls and exhaust gases of a DFI furnace are significantly cooler than in conventional radiant heating furnaces, resulting in high thermal efficiency and low NOx emissions. A DFI furnace is composed of a successive arrangement of heating modules through or by which the work piece is conveyed, and can be configured for square, round, flat, and curved metal shapes (e.g., billets, tubes, flat bars, and coiled bars) in single- or multi-stranded applications.
- Authors:
- Publication Date:
- Research Org.:
- Gas Technology Institute
- Sponsoring Org.:
- USDOE Office of Industrial Technology Program (EE-2F)
- OSTI Identifier:
- 970839
- Report Number(s):
- DOE/ID/14043-1
TRN: US201004%%425
- DOE Contract Number:
- FC36-01ID14043
- Resource Type:
- Technical Report
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; CONVECTION; EFFICIENCY; EXHAUST GASES; FLAMES; FURNACES; HEAT EXCHANGERS; HEAT TRANSFER; HEATING; IMPINGEMENT; STEELS; SUBSTRATES; THERMAL EFFICIENCY; Direct Flame Impingement; High Efficiency; Rapid Heating; Low NOx
Citation Formats
Kurek, Harry, and Wagner, John. Development and Demonstration of a High Efficiency, Rapid Heating, Low NOx Alternative to Conventional Heating of Round Steel Shapes, Steel Substrate (Strip) and Coil Box Transfer Bars. United States: N. p., 2010.
Web. doi:10.2172/970839.
Kurek, Harry, & Wagner, John. Development and Demonstration of a High Efficiency, Rapid Heating, Low NOx Alternative to Conventional Heating of Round Steel Shapes, Steel Substrate (Strip) and Coil Box Transfer Bars. United States. https://doi.org/10.2172/970839
Kurek, Harry, and Wagner, John. 2010.
"Development and Demonstration of a High Efficiency, Rapid Heating, Low NOx Alternative to Conventional Heating of Round Steel Shapes, Steel Substrate (Strip) and Coil Box Transfer Bars". United States. https://doi.org/10.2172/970839. https://www.osti.gov/servlets/purl/970839.
@article{osti_970839,
title = {Development and Demonstration of a High Efficiency, Rapid Heating, Low NOx Alternative to Conventional Heating of Round Steel Shapes, Steel Substrate (Strip) and Coil Box Transfer Bars},
author = {Kurek, Harry and Wagner, John},
abstractNote = {Direct Flame Impingement involves the use of an array of very high-velocity flame jets impinging on a work piece to rapidly heat the work piece. The predominant mode of heat transfer is convection. Because of the locally high rate of heat transfer at the surface of the work piece, the refractory walls and exhaust gases of a DFI furnace are significantly cooler than in conventional radiant heating furnaces, resulting in high thermal efficiency and low NOx emissions. A DFI furnace is composed of a successive arrangement of heating modules through or by which the work piece is conveyed, and can be configured for square, round, flat, and curved metal shapes (e.g., billets, tubes, flat bars, and coiled bars) in single- or multi-stranded applications.},
doi = {10.2172/970839},
url = {https://www.osti.gov/biblio/970839},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 25 00:00:00 EST 2010},
month = {Mon Jan 25 00:00:00 EST 2010}
}
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