Nozzle arrangement for use in a cooling zone of rolling mill

Metallurgical apparatus – Having means for contacting a solid metalliferous material...

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266259, C21D 100

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active

055182224

ABSTRACT:
An improved nozzle arrangement for use in a cooling zone of a rolling mill is formed completely of plastic, preferably ABS plastic, and includes an elongated, substantially cylindrical hollow body portion that defines an longitudinally extending conduit having a cooling fluid intake port that smoothly converges into an internal flow channel of an integrally formed head portion that is provided with a cooling fluid outlet port. An elongated baffle member is positioned within the cylindrical body portion and extends substantially the entire length thereof. The baffle member itself is formed of a unitary plastic member, also preferably ABS plastic, and has a X-shaped cross-section. Constructing the nozzle of plastic saves considerable replacement costs associated with the use of such nozzles in rolling mills and also enables the nozzles to be recycled. In addition, due to the specific construction of the nozzle, laminar flow is assured which enhances its cooling function.

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patent: 4365758 (1982-12-01), Schaming
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patent: 5158235 (1992-10-01), Johnson

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