Reconsideration of natural-gas immersion burners to melt recycled aluminum
Conference
·
· Materials Science and Technology (MS&T) Conference, Proceedings of the Process Heating/Reheating Symposium, TMS (The Minerals, Metals & Materials Society), Warrendale, PA, 2005, pp. 3-9
OSTI ID:901159
- E3M, Inc., North Potomac, MD
- Secat Inc, Lexington KY
- Oak Ridge National Laboratory
The best open flame reverberatory aluminum melting furnaces are approximately 45% efficient. Furnace efficiency can be increased by using immersed tube burners. Currently, recuperated tube burners with capacities to remelt aluminum are available. Tube burners would allow remelt furnaces to operate at lower temperatures, reduce dross formation, reduce particulate emissions, and provide clean flue gas to other energy intensive processes. Babcock and Wilcox, under GRI (now GTI – Gas Technology Institute) contract in the late-1980’s, demonstrated the technically feasibility of immersion melting of aluminum. However, tube reliability was problematic due to metal penetration, dross build-up, thermal shock, and mechanical failure. Also, the concept of “cold start” melting was not addressed. The Albany Research Center (U.S. DOE) is cooperating with Secat, E3M Inc., the University of Kentucky, and Oak Ridge National Laboratory in an ITP-sponsored program to combine emerging technologies in a retrofitable furnace package targeting improved remelt efficiency ranging from 55% to 75%.
- Research Organization:
- Albany Research Center (ARC), Albany, OR; Secat, Lexington, KY; E3M Inc., North Potomac, MD); University of Kentucky; Oak Ridge National Laboratory
- Sponsoring Organization:
- USDOE - Office of Fossil Energy (FE)
- OSTI ID:
- 901159
- Report Number(s):
- DOE/ARC-2005-074
- Conference Information:
- Journal Name: Materials Science and Technology (MS&T) Conference, Proceedings of the Process Heating/Reheating Symposium, TMS (The Minerals, Metals & Materials Society), Warrendale, PA, 2005, pp. 3-9 Journal Volume: 2005
- Country of Publication:
- United States
- Language:
- English
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