The invention belongs to the technical field of
steelmaking continuous casting, and discloses an inter-flow
temperature difference prediction method and a structure optimization method of a multi-flow
tundish. The prediction method comprises the following steps: designing a
tundish experiment scheme; a
water model with the similarity ratio of
lambda is designed, and stagnation time and peak time are obtained; establishing a numerical
simulation model, and obtaining an inter-flow
temperature difference; performing polynomial fitting on the inter-flow
temperature difference and the stagnation time to obtain a first fitting function; performing polynomial fitting on the inter-
convection temperature difference and the peak time to obtain a second fitting function; performing mutual optimization
verification on the first fitting function and the second fitting function to obtain a consistent inter-flow temperature difference through the first fitting function and the second fitting function; and calculating to obtain the inter-flow temperature difference of any
tundish. According to the prediction method, temperature difference prediction is carried out no longer by means of a
simulation calculation program, so that the prediction process is greatly simplified, and the prediction time is saved. The structure optimization method is carried out on the basis of the temperature difference prediction method, so that an optimal optimization scheme can be better obtained.