Annealing Furnace
AssemblyHeats the strip in a sealed reducing atmosphere of hydrogen and nitrogen, recrystallizing the steel and reducing surface oxides so the zinc bonds. The strip leaves through a sealed snout straight into the molten zinc without re-oxidizing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Annealing Furnace
7 top-level lines as of r71416| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Preheat Zone 3 parts | galvanizing-line-preheat-zone | 1× | 1 | 0 | assembly |
| 2 | Radiant Heating Zone 4 parts | galvanizing-line-radiant-zone | 1× | 1 | 0 | assembly |
| 3 | Soak Zone 3 parts | galvanizing-line-soak-zone | 1× | 1 | 0 | assembly |
| 4 | Jet Cooling Zone 3 parts | galvanizing-line-jet-cool-zone | 1× | 1 | 0 | assembly |
| 5 | Furnace Snout 3 parts | galvanizing-line-snout | 1× | 1 | 0 | assembly |
| 6 | Atmosphere System 5 parts | galvanizing-line-atmosphere-system | 1× | 1 | 0 | assembly |
| 7 | Hearth Roll | galvanizing-line-hearth-roll | 6× | 6 | · | part |