| 摘要 |
The tuyere for a blast furnace, the tuyere having a body part (10) with cooling means extending rearwardly from a nose portion of the body (10). In order that a failure of the tuyere when in service does not result in large quantities of water entering the furnace, the cooling means are constituted by a plurality of heat pipes, the heat pipes being formed either in tubes (12) cast in the body part (10) or being formed in holes (112) drilled in said body part.
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