Temperature Distribution with Different Solid Shapes in Heat Transfer Process

被引：0

作者：

Tian X. ^{[1
]}

Zhang Y. ^{[1
]}

Li S. ^{[2
]}

Huang Z. ^{[3
]}

Wang R. ^{[2
]}

机构：

[1] School of Chemical Engineering, Shandong University of Technology, Zibo

[2] College of Metallurgy and Energy, North China University of Science and Technology, Tangshan

[3] School of Metallurgy, Northeastern University, Shenyang

来源：

Zhang, Yali (zhangyl0419@163.com) | 2017年 / Editorial Office of Chinese Journal of Rare Metals卷 / 41期

关键词：

Fire refining; Heat distribution; Metal purifying; Refractory metal;

D O I：

10.13373/j.cnki.cjrm.XY15121301

中图分类号：

学科分类号：

摘要：

The size and temperature distribution of the solid metal has always been an experience in the process of fire refining. There was little theoretical analysis for a solid metal temperature variation in molten metals. This article mainly focused on the size of solid metal and temperature distribution in high temperature liquid metal. The trend was analyzed in the distribution of temperature with angle changing qualitatively by infinitesimal analysis method, equivalent replacement method and partial differential equation. From square to round, the temperature distribution of edge in two-dimensional space could be obtained for a solid metal. With the change of regular polygon n, the temperature distribution trend t'(n) decreased and then increased. When n=6, the temperature distribution trend t'(n) was of the minimum value. That is, the driving force of partial melting delay phenomenon was in minimum state. Therefore, the angle was about 120° at the end of the most partial melting delay phenomenon. The solid metal tungsten temperature distribution heat transfer simulation was conducted in the three-dimensional space (The surrounding temperature was 1500℃, the density of metal tungsten was 19350 kg·m-3, heat capacity was 134 J·(kg·℃)-1, thermal conductivity was 179 W·(m·℃)-1, heat transfer time was 200 s). Based on the above conclusions, solid metal temperature distribution under the environment of high temperature could be quantitatively analyzed. It had guiding significance for the metal size and temperature control in the process of fire purification. © Editorial Office of Chinese Journal of Rare Metals. All right reserved.

引用

页码：377 / 383

页数：6

共 20 条

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