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断层扫描控制连铸钢的实验室研究

Laboratory Investigation of Tomography-Controlled Continuous Steel Casting.

作者信息

Glavinić Ivan, Muttakin Imamul, Abouelazayem Shereen, Blishchik Artem, Stefani Frank, Eckert Sven, Soleimani Manuchehr, Saidani Iheb, Hlava Jaroslav, Kenjereš Saša, Wondrak Thomas

机构信息

Department of Magnetohydrodynamics, Institute of Fluid Dynamics, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany.

Engineering Tomography Laboratory, Department of Electronic and Electrical Engineering, University of Bath, Claverton Down, Bath BA2 7AY, UK.

出版信息

Sensors (Basel). 2022 Mar 11;22(6):2195. doi: 10.3390/s22062195.

DOI:10.3390/s22062195
PMID:35336364
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8950969/
Abstract

More than 96% of steel in the world is produced via the method of continuous casting. The flow condition in the mould, where the initial solidification occurs, has a significant impact on the quality of steel products. It is important to have timely, and perhaps automated, control of the flow during casting. This work presents a new concept of using contactless inductive flow tomography (CIFT) as a sensor for a novel controller, which alters the strength of an electromagnetic brake (EMBr) of ruler type based on the reconstructed flow structure in the mould. The method was developed for the small-scale Liquid Metal Model for Continuous Casting (mini-LIMMCAST) facility available at the Helmholtz-Zentrum Dresden-Rossendorf. As an example of an undesired flow condition, clogging of the submerged entry nozzle (SEN) was modelled by partly closing one of the side ports of the SEN; in combination with an active EMBr, the jet penetrates deeper into the mould than when the EMBr is switched off. Corresponding flow patterns are detected by extracting the impingement position of the jets at the narrow faces of the mould from the CIFT reconstruction. The controller is designed to detect to undesired flow condition and switch off the EMBr. The temporal resolution of CIFT is 0.5 s.

摘要

世界上超过96%的钢铁是通过连铸法生产的。初始凝固发生的结晶器内的流动状况对钢铁产品质量有重大影响。在铸造过程中及时甚至自动控制流动很重要。这项工作提出了一种新的概念，即使用非接触式感应流动层析成像（CIFT）作为新型控制器的传感器，该控制器根据结晶器内重建的流动结构改变直尺型电磁制动器（EMBr）的强度。该方法是针对位于德国亥姆霍兹-德累斯顿-罗森多夫中心的小型连铸液态金属模型（mini-LIMMCAST）设施开发的。作为不良流动状况的一个例子，通过部分关闭浸入式水口（SEN）的一个侧孔来模拟SEN堵塞；与主动式EMBr相结合时，与EMBr关闭时相比，钢水射流能更深地穿透到结晶器中。通过从CIFT重建中提取射流在结晶器窄面处的冲击位置来检测相应的流动模式。该控制器旨在检测不良流动状况并关闭EMBr。CIFT的时间分辨率为0.5秒。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/1f499cdc2d12/sensors-22-02195-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/9460ca0f37a3/sensors-22-02195-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/7d29d30cab54/sensors-22-02195-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/063b36bea524/sensors-22-02195-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/406a24fe8035/sensors-22-02195-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/f0de2f08840e/sensors-22-02195-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/c7cb41d0a9ae/sensors-22-02195-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/0c5bdd3d4e08/sensors-22-02195-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/ef6efcf3edc4/sensors-22-02195-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/79b7c7c349cb/sensors-22-02195-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/1f499cdc2d12/sensors-22-02195-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/9460ca0f37a3/sensors-22-02195-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/7d29d30cab54/sensors-22-02195-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/063b36bea524/sensors-22-02195-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/406a24fe8035/sensors-22-02195-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/f0de2f08840e/sensors-22-02195-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/c7cb41d0a9ae/sensors-22-02195-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/0c5bdd3d4e08/sensors-22-02195-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/ef6efcf3edc4/sensors-22-02195-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/79b7c7c349cb/sensors-22-02195-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/598b/8950969/1f499cdc2d12/sensors-22-02195-g008.jpg

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引用本文的文献

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Contactless Inductive Flow Tomography for Real-Time Control of Electromagnetic Actuators in Metal Casting.用于金属铸造中电磁执行器实时控制的非接触式感应流断层扫描技术。
Sensors (Basel). 2022 May 30;22(11):4155. doi: 10.3390/s22114155.
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Control Systems with Tomographic Sensors-A Review.具有层析传感器的控制系统——综述。
Sensors (Basel). 2022 Apr 7;22(8):2847. doi: 10.3390/s22082847.

本文引用的文献

1
Flow Control Based on Feature Extraction in Continuous Casting Process.基于特征提取的连铸过程流量控制。
Sensors (Basel). 2020 Dec 1;20(23):6880. doi: 10.3390/s20236880.
2
A gradiometric version of contactless inductive flow tomography: theory and first applications.非接触式感应流动层析成像的梯度测量版本：理论与首次应用
Philos Trans A Math Phys Eng Sci. 2016 Jun 28;374(2070). doi: 10.1098/rsta.2015.0330.
3
Contactless inductive flow tomography.非接触式感应流动层析成像
Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Nov;70(5 Pt 2):056306. doi: 10.1103/PhysRevE.70.056306. Epub 2004 Nov 16.
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Mathematical models of hysteresis.滞后现象的数学模型。
Phys Rev Lett. 1986 Apr 14;56(15):1518-1521. doi: 10.1103/PhysRevLett.56.1518.