Method and apparatus for determining temperature distribution in a mold plate for a metal manufacturing process

Abstract

The present disclosure relates to a method of determining a temperature distribution in a mold plate of a mold for a metal manufacturing process, wherein the method comprises: obtaining (S1) a temperature value from each temperature sensor of a plurality of temperature sensors arranged in the mold plate, Each temperature sensor is spaced from a corresponding reference point in the die plate; for each temperature value, a reference point temperature value at the corresponding reference point is determined (S2) using a corresponding linear function or a corresponding non-linear function, where linear A correction factor and a correction term for a function, or a set of parameters in a general nonlinear formulation of a nonlinear function, are obtained from a plurality of initial temperature relationships, where each initial temperature relationship is simulated at a corresponding temperature sensor in the mold plate in relation to the mold Between the simulated temperatures at the corresponding reference points in the plate, each simulated temperature is obtained based on the corresponding simulation of the model of the die plate for the unique die plate condition in which it is complete, unambiguous and unique The thermal boundary conditions of the mold plate are clearly described; and the estimated temperature distribution at the reference point in the mold plate is obtained (S3) by means of the reference point temperature value.

Description

technical field [0001] The present disclosure relates generally to metal manufacturing, and in particular to a method and apparatus for determining a temperature distribution in a die plate of a mold for a metal manufacturing process. Background technique [0002] In metal fabrication such as continuous casting, molds are used to shape and to cool molten metal to thereby obtain a metal product with a solidified shell. The solidified shell of the strand is obtained by cooling the mold at the top of the mold and thickens below the strand as more heat is extracted from the strand. For various reasons, the solidified shell may be locally thinner in places, thus risking shell breakage. The occurrence of liquid steel in the strands flowing out due to localized thinning is called a breakout and causes significant damage and downtime to the casting machine. By monitoring the temperature and heat flux of the strands, breakouts can be predicted quickly, thus allowing countermeasures...

AI Technical Summary

Problems solved by technology

Ideally the temperature of the slab would be measured, but a die plate constructed of thermally conductive copper makes it possible to measure the temperature of the copper sheet and deduce thermal events in the steel shell as well as indirect melting

Images