基于大数据挖掘的连铸结晶器传热独立变化规律

彭治强, 柳前, 郭东伟, 曾子航, 曹江海, 侯自兵

Independent Change Law of Mold Heat Transfer in Continuous Casting Based on Big Data Mining

PENG Zhiqiang, LIU Qian, GUO Dongwei, ZENG Zihang, CAO Jianghai, HOU Zibing

表3 连铸各参数与结晶器热流Spearman相关系数(按相关系数绝对值大小由高往低排序)

Table 3 Spearman correlation coefficients (ρ)between continuous casting parameters and mold heat flux, and their absolute values |ρ|

Continuous casting parameter ρ |ρ| Casting speed 0.72 0.72 Superheat 0.63 0.63 Qstopper 0.33 0.33 Qnozzle -0.28 0.28 Position of stopper 0.26 0.26 Oscillation frequency -0.23 0.23 Total water flow rate -0.19 0.19 Immersion depth of nozzle 0.15 0.15 Mold taper -0.09 0.09 Qshield 0.08 0.08 Slab width -0.06 0.06 Mold level 0.03 0.03