Claim · committed · confidence 0.88
Generated from the Hyphae knowledge graph.
Statement: Modern blast furnace tuyeres are water-cooled copper nozzles, typically 14–42 per furnace, that inject preheated blast at ~150–250 m/s to create a combustion raceway at >1800°C immediately in front of each tuyere.
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- About → Tuyere
- Cites → 2026-blast-furnace-wikipedia