A Temperature Field Measurement Method of Billet Based on Multi- Information Fusion and the Analysis of Influencing Factors

MA Jiao-cheng; LIU Jun; WANG Biao

doi:10.3969/j.issn.0372-2112.2015.08.022

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A Temperature Field Measurement Method of Billet Based on Multi- Information Fusion and the Analysis of Influencing Factors

更新时间：2025-07-16

- A Temperature Field Measurement Method of Billet Based on Multi- Information Fusion and the Analysis of Influencing Factors
- Acta Electronica Sinica Vol. 43, Issue 8, Pages: 1616-1620(2015)
- 作者机构：
  
  1. 东北大学机械工程与自动化学院,辽宁,沈阳,110819
  2. 东华理工大学核工程与地球物理学院,江西,南昌,330013
  3. 东北大学秦皇岛分校资源与材料学院,河北,秦皇岛,066004
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61004135, No.511304050);Science and Technique Research Program of Education Department of Jiangxi Province (No.GJJ13445);China Postdoctoral Science Foundation (No.2015M570252)
- DOI：10.3969/j.issn.0372-2112.2015.08.022
  CLC： TF777
- Published：2015
- 稿件说明：
移动端阅览
MA Jiao-cheng, LIU Jun, WANG Biao. A Temperature Field Measurement Method of Billet Based on Multi- Information Fusion and the Analysis of Influencing Factors[J]. Acta Electronica Sinica, 2015, 43(8): 1616-1620.
DOI：

MA Jiao-cheng, LIU Jun, WANG Biao. A Temperature Field Measurement Method of Billet Based on Multi- Information Fusion and the Analysis of Influencing Factors[J]. Acta Electronica Sinica, 2015, 43(8): 1616-1620. DOI： 10.3969/j.issn.0372-2112.2015.08.022.

摘要

连铸生产过程中

铸坯内部温度场无法实时测量

表面温度难于准确测量

而稳态传热模型不能模拟实际工艺参数频繁变化的浇注过程

本文建立了实时凝固传热模型

并对模型的影响因素进行了分析.考虑到铸坯表面随机剥离的氧化铁皮对其测温的干扰

研究建立了基于面阵的CCD测温系统

并结合数值分析方法

消除了铸坯表面氧化铁皮对测温的干扰

还原铸坯表面真实温度

使测量的铸坯表面温度波动在10℃范围内.通过采用CCD面阵测温、射钉测厚以及数值分析方法

实现了基于多信息融合的铸坯温度场在线测量

为二冷配水动态优化和铸坯温度场闭环控制提供了基础.

Abstract

In the continuous casting process

the internal temperature of billet is difficult to be measured real-time and the surface temperature is difficult to be measured accurately.The steady-state heat transfer models can't be used for simulation the actual casting operations which vary frequently.A real-time heat transfer model was developed

especially the influencing factors of model were analyzed.Considering the interference of scales which strip randomly on the billet surface to the temperature measurement

the CCD (charge coupled device) surface temperature measurement system was developed.Combined with numerical analysis method

the real temperatures of billet were restored.The impact of scales was effectively eliminated and the fluctuation of measured surface temperature within the range of 10℃.The temperature field measurement of billet was realized based on multi-information fusion of CCD temperature measurement system

measured shell thickness and numerical analysis method.This provides the basis that the surface temperatures take into account to closed-loop control and dynamic optimization water distribution.

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