Calorized water-cooled copper components for metallurgical vessels
Blast Furnace
Tuyeres, Tuyere Coolers, Stack Cooling
Plates, Cigar Coolers, and
Staves
Foundry Cupola Furnace
Tuyeres
Electric Arc Furnace (EAF)
Burner Tips, Burner Blocks, and
Cooling Panels
Basic Oxygen Furnace (BOF)
Oxygen Lance Tips
Smelting Furnace
Troughs, Panels, and Plates
DOWNLOADABLE PAPERS
“A Practical Engineering Approach to Improving the Reliability of Blast Furnace Tuyeres”
by C. Copeland and S. Street, SeverstalDearborn, chosen AIST 2012 Gold Reliability Achievement Award winner, and presented at AISTech 2013, Pittsburgh, PA USA, May 2013
“High Conductivity Copper in the Blast Furnace”
by T. Shellhammer, TVR Technologies LLC and R. Walsh, Alabama Copper & Bronze, presented at AISTech 2010, Pittsburgh, PA USA, May 2010
“Copper, Calorizing and Metallurgical Vessels”
by T. Shellhammer, TVR Technologies LLC , and A. Park, Quantum Ceramalloy, presented at Conference of Metallurgists, Toronto, Canada, August 2015
Calorized Copper Microstructure
Microstructure and properties
Calorized Copper Microstructure & Properties
Top Layer Aluminia
VH 125
Layer 2 Intermetallic
VH 120
Layer 3 Cu/Al diffused layer
VH 103
Base Copper
VH 30
VH = Vickers Hardness
Photograph of a calorized sample as received and a mounted and polished cross-section for metallurgical examination. Note uniform thickness of the calorized layer in the cross-sectioned sample.
Molten Iron Splash Testing Calorized Sample
Poured on Copper Blocks 6” x 6” x 1” thick
Plain Copper | Inconel Coated Copper | Calorized Copper | |
---|---|---|---|
Weight of iron poured |
12 lbs. |
16 lbs. |
130 lbs. |
Pour duration |
2 min. 50 sec. |
3 min. 30 sec. |
14 min. 0 sec. |
Result |
Complete penetration |
Complete penetration |
Surface undamaged |
Results –Calorized EAF Lance Tips and Burner Block
Burner Tips
Burner Blocks