| 摘要 |
A hollow cooling box for a steel mill to be used to cool a hot steel work piece as it passes through the cooling box; the box having an interior plenum formed by the members forming the cooling box. The plenum is supplied with coolant under pressure, and the coolant is allowed to pass through curved wedge shaped slots in one of the members which faces the work piece as it passes through the cooling box. The wedge shaped slots are oriented so that the widest part of said slot is on the upstream side of the passage of the work piece.
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