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有色金属(冶炼部分):2020,(7):46-52
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新型稳流保温铝电解槽节能技术开发及在某400 kA电解系列推广应用
汪艳芳1, 柴登鹏1, 曹韶峰1, 高宝堂2, 王俊青1, 周云峰1, 李昌林1
(1.中铝郑州有色金属研究院有限公司;2.包头铝业有限公司)
Development of Energy-saving Technology Based on Steady Flow and Heat Preservation and Its Application in a 400 kA Electrolysis Series
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投稿时间:2020-04-02     修订日期:2020-04-09     录用日期:2020-04-10     网络发布日期:2020-06-20
中文摘要: 主要介绍了新型稳流保温铝电解槽节能技术的研究成果及在某400 kA系列推广应用情况。新型稳流保温铝电解槽节能技术主要包括电压平衡优化技术、阴极稳流优化技术和能量平衡设计优化技术。新型稳流保温铝电解槽节能技术在某企业400 kA系列电解槽上推广应用结果表明,新技术槽进入正常期内系列电流效率92.22%,平均电压3.882 V,吨铝直流电耗12 543 kWh,平均炉底压降267 mV。与传统槽相比,新技术槽平均电压降低86 mV,吨铝直流电耗降低507 kWh,炉底压降降低44 mV。
中文关键词: 稳流保温  电压平衡  能量平衡
Abstract:Research results of energy-saving technology based on steady flow and heat preservation (FHEST) and its application in a 400 kA series were mainly introduced. FHEST mainly includes voltage balance optimization, cathode current stabilizing optimization and energy balance design optimization. Application results of FHEST in a 400 kA series electrolysis cell show that series current efficiency is 92.22%, average voltage is 3.882 V, DC power consumption for one ton aluminum is 12 543 kWh, and average cell bottom voltage drop is 267 mV. Compared with traditional cell, average voltage of new technology cell drops by 86 mV, DC power consumption for one ton aluminum reduces by 507 kWh, and average cell bottom voltage drop reduces by 44 mV.
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基金项目:2018年中国铝业股份有限公司产业化推广项目(中铝股份科字[2018]117号)
引用文本:
汪艳芳,柴登鹏,曹韶峰,高宝堂,王俊青,周云峰,李昌林.新型稳流保温铝电解槽节能技术开发及在某400 kA电解系列推广应用[J].有色金属(冶炼部分),2020(7):46-52.
WANG Yan-fang,CHAI Deng-peng,CAO Shao-feng,Gao Bao-tang,WANG Jun-qing,ZHOU Yun-feng,LI Chang-lin.Development of Energy-saving Technology Based on Steady Flow and Heat Preservation and Its Application in a 400 kA Electrolysis Series[J].Nonferrous Metals (Extractive Metallurgy),2020(7):46-52.

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