石墨型-砂型铸造纯铜高炉冷却壁凝固过程数值模拟

佘恺; 孙梦龙; 谢春生

doi:10.15980/j.tzzz.2015.01.010

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石墨型-砂型铸造纯铜高炉冷却壁凝固过程数值模拟
Numerical Simulation of Solidification Process of Cast Copper Stave in Graphite Mold-Sand Mold Casting
2015年35卷第1期页码：33-36
纸质出版日期： 2015 ，
DOI： 10.15980/j.tzzz.2015.01.010

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[1]佘恺,孙梦龙,谢春生.石墨型-砂型铸造纯铜高炉冷却壁凝固过程数值模拟[J].特种铸造及有色合金,2015,35(01):33-36.

She Kai, Sun Menglong, Xie Chunsheng. Numerical Simulation of Solidification Process of Cast Copper Stave in Graphite Mold-Sand Mold Casting[J]. Special Casting & Nonferrous Alloys, 2015,35(1):33-36.
[1]佘恺,孙梦龙,谢春生.石墨型-砂型铸造纯铜高炉冷却壁凝固过程数值模拟[J].特种铸造及有色合金,2015,35(01):33-36. DOI： 10.15980/j.tzzz.2015.01.010.

She Kai, Sun Menglong, Xie Chunsheng. Numerical Simulation of Solidification Process of Cast Copper Stave in Graphite Mold-Sand Mold Casting[J]. Special Casting & Nonferrous Alloys, 2015,35(1):33-36. DOI： 10.15980/j.tzzz.2015.01.010.

摘要

采用石墨型-砂型复合铸造工艺制作纯铜冷却壁

利用MAGMA软件模拟了该工艺下纯铜冷却壁的凝固过程

包括建立模型、网格划分、参数设置、模拟结果分析等。结果表明

冷却壁遵循着从内浇道向冒口端的顺序凝固

冷却壁砂型一侧（上表面）对石墨型一侧（下表面）起到补缩作用

铸件凝固后没有出现显著的铸造缺陷

获得了致密的组织

达到了设计要求。浇注温度在1 150

200℃时

预埋铜管与基体冶金结合良好。

Abstract

Copper stave was produced by graphite mold-sand mold casting.By MAGMA software

the solidification process of copper stave was simulated

including modeling

grid meshment

parameters select and simulated result analysis.The results reveal that

the solidification of copper stave follow the rule from the runner to the riser

and the sand side（upper surface）play a role in feeding graphite side（lower surface）.Thereby the copper stave has sound structure with absence of remarkable casting defects

meeting the design requirements.With pouring temperature at 1 150

200 ℃

a desirable metallurgical bond of embedded copper pipe with body can be observed.