电解铝液预处理装置的开发与应用
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摘要
分析了"短流程"铝合金熔铸工艺的现状及其对铝合金熔铸质量和熔炼炉内衬使用寿命的影响,开发了一种具有除碱、除渣和除氢功能的电解铝液预处理装置。该装置与虹吸管铝液转注系统的联合使用,显著降低了铝合金熔体中的夹杂物、碱(土)金属和氢含量。工厂试验结果表明,所开发的电解铝液预处理装置达到了预期目的。
In this paper, the current situation of "short flow" aluminum alloy melting-casting process and its influence on the quality of aluminum alloy melting-casting and the service life of melting furnace lining are analyzed. A pretreatment device of electrolytic aluminum liquid with functions of alkali removal,slag removal and hydrogen removal is developed. The combination of this device and the siphon aluminum liquid transferring system can significantly reduce the contents of inclusions,alkali(earth)metals and hydrogen in aluminum alloy melt.The factory test results show that the developed electrolytic aluminum liquid pretreatment device has achieved the expected purpose.
In this paper, the current situation of "short flow" aluminum alloy melting-casting process and its influence on the quality of aluminum alloy melting-casting and the service life of melting furnace lining are analyzed. A pretreatment device of electrolytic aluminum liquid with functions of alkali removal,slag removal and hydrogen removal is developed. The combination of this device and the siphon aluminum liquid transferring system can significantly reduce the contents of inclusions,alkali(earth)metals and hydrogen in aluminum alloy melt.The factory test results show that the developed electrolytic aluminum liquid pretreatment device has achieved the expected purpose.
引文
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[2]吴文祥,陈琦,马科,等.电解铝液制备7005铝合金的铸态组织与性能[J],特种铸造及有色合金,2008,28(12):973-975.
[3]迟全福,王立娟,彭先亮.Na元素对铝合金铸造性能的影响[J],轻合金加工技术,2002,30(8):14-15,20.
[4]周策,崔建忠.夹杂物对6063铝合金力学性能的影响[J],材料与冶金学报,2013,12(1):72-76.
[5]王滨滨.高镁合金的钠脆性[J],黑龙江冶金,2009,29(3):12-14.
[6]任凤郁.降低钠含量改善铝合金铸造压延工艺性能[J],轻合金加工技术,1989(9):1-4.
[7]吴广宇,卢秉林.5052铝合金热轧板带裂边的原因及其预防措施[J],轻合金加工技术,2008,36(8):19-21.
[8]丛红日,边秀房.铝合金熔体中夹杂物与氢含量的关系[J],特种铸造及有色合金,2000(3):21-22.
[9]傅高升,康积行,陈文哲,等.铝熔体中夹杂物与气体相互作用的关系[J],中国有色金属学报,1999,9(Suppl.1):51-56.
[10]丁俊发.铝熔炼炉的使用和维护[J],轻合金加工技术,2009,37(7):15-16,58.
[11]周矿民,李红伟,贾巧玲,等.高强抗铝浇注料的开发与应用[C],2003全国不定性耐火材料学术会议文集.265-269.
[12]P.R.T.Tiba 等.Systemic analysis of flue wall bricks used on anode baking furnaces[C],TMS(The Minerials ,Metals & Materials Society),2010:1015-1019.
[13]Jerry Locatelli,Guangwei Liu.Crucible transfer siphoning of the benefits and the lastest technology[C].TMS(The Minerals,Metals & Materials Society)2010,639-650.
[14]刘民章,李贤.一种降低铝锭铸造过程中铝液烧损的混合炉设备配置[J],轻金属,2013(1):52-55.