Method for producing a metal

Details Method for producing a metal Method for producing a metal

2004-04-06

2010-12-14

Puttlitz, Karl J (Department: 1621)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

Reexamination Certificate

active

07853348

ABSTRACT:
During the production of steel, a conversion model is used for the cooling line. Said model is used to calculate the phase fractions, in addition to the temperature of the steel, along the steel strip in real time. A regulating system, which maintains the phase fractions of a steel strip that is wound onto a reeling device at a constant level, is implemented. The method comprises the following steps: in a first step a degree of conversion, for multi-phase steel e.g. the ferrite fraction, is determined from data obtained from the primary data of the steel strip. In a second step, when the strip enters the cooling line, one or more parameters of the cooling strategy, i.e. control values, are adapted online in such a way that the ferrite content of the cooled steel on the reeling device is maintained at a constant level.

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patent: WO 03/045599 (2003-06-01), None

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