热处理时间对铜渣制备红外辐射涂层结构及性能的影响

doi:10.3969/j.issn.1001-1935.2024.01.007

耐火材料 ›› 2024, Vol. 58 ›› Issue (1): 35-39.DOI: 10.3969/j.issn.1001-1935.2024.01.007

热处理时间对铜渣制备红外辐射涂层结构及性能的影响

吕自豪, 顾华志, 杨爽, 张美杰, 付绿平, 黄奥

武汉科技大学省部共建耐火材料与冶金国家重点实验室湖北武汉 430081

收稿日期:2023-04-10 出版日期:2024-02-15 发布日期:2024-02-28
作者简介:吕自豪:女,1999年生,硕士研究生。E-mail:lvzihao18@163.com
基金资助:
国家自然科学基金面上资助项目(51902231,52172023)。

Effect of thermal treatment time on structure and properties of infrared radiation coating prepared by copper slag

Lyu Zihao, Gu Huazhi, Yang Shuang, Zhang Meijie, Fu Lyuping, Huang Ao

First author's address: The State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081,Hubei,China

Received:2023-04-10 Online:2024-02-15 Published:2024-02-28

摘要/Abstract

摘要： 铜渣作为炼铜产生的固体废弃物,常被堆放占用土地资源,并且污染环境,其资源化利用日益受到国内外广泛关注。针对此问题,以铜渣为主要原料,松油醇为成膜剂,乙基纤维素为增稠剂,高铝砖为红外辐射涂层基底材料,于1 200 ℃热处理后制备了红外辐射涂层,研究了热处理时间(0.5、2、4和8 h)对涂层显微结构以及其分别在常温和400 ℃下发射率的影响。结果表明,涂层与高铝砖基底结合良好,且随着热处理时间的延长,涂层逐渐致密;涂层在1 200 ℃热处理8 h后,其在常温下近红外波段(0.8~2.5 μm)的发射率最高,为 0.862;热处理4 h后,涂层在使用更为广泛的中红外波段(2.5~25 μm)的发射率最高,为0.928;涂层经不同时间热处理后,在400 ℃下1~22 μm波段的发射率不断增大且全部大于0.93。结合实际应用,最佳热处理时间为4 h。

关键词: 铜渣, 红外辐射涂层, 热处理时间, 发射率

Abstract: Copper slag,as a solid waste generated during the copper smelting process,is often stacked,occupying land resources and polluting the environment.Its resource utilization is increasingly receiving widespread attention in China and overseas.To solve this problem,the infrared radiation coating was prepared at 1 200 ℃ with copper slag as the main raw material,terpineol as the film forming agent,ethyl cellulose as the thickening agent,and high alumina bricks as the substrate material of the infrared radiation coating.Effects of the heat treatment time (0.5,2, 4,and 8 h) on the microstructure and emissivity at room temperature and 400 ℃ were studied.The results show that the coating is well combined with the high alumina brick substrate,with heat treatment time prolonging, the coating gradually becomes dense;after heat treatment at 1 200 ℃ for 8 h,the near-infrared (0.8-2.5 μm) emissivity of the coating reaches the maximum (0.862);after heat treatment for 4 h,the emissivity increases and reaches the maximum (0.928) after heat treatment in the mid-infrared (2.5-25 μm) wave range;after heat treatment for different times,the emissivity of the coating fired at 400 ℃ in 1-22 μm wave range increases continually and is higher than 0.93.Combined with practical applications,the optimal heat treatment time is 4 h.

Key words: copper slag, infrared radiation coating, heat treatment time, emissivity

中图分类号:

TQ174.4

吕自豪, 顾华志, 杨爽, 张美杰, 付绿平, 黄奥. 热处理时间对铜渣制备红外辐射涂层结构及性能的影响[J]. 耐火材料, 2024, 58(1): 35-39.

Lyu Zihao, Gu Huazhi, Yang Shuang, Zhang Meijie, Fu Lyuping, Huang Ao. Effect of thermal treatment time on structure and properties of infrared radiation coating prepared by copper slag[J]. Refractories, 2024, 58(1): 35-39.

参考文献

[1] SARFO P,WYSS G,MA G,et al.Carbothermal reduction of copper smelter slag for recycling into pig iron and glass[J].Minerals Engineering,2017(6),107:8-19.
[2] LI S,PAN J,ZHU D,et al.A novel process to upgrade the copper slag by direct reduction-magnetic separation with the addition of Na₂CO₃ and CaO[J].Powder Technology,2019,347:159-169.
[3] BANZA A N,GOCH E,KONGOLO K.Base metals recovery from copper smelter slag by oxidising leaching and solvent extraction[J].Hydrometallurgy,2002,67(1):63-69.
[4] ROY S,REHANI S.Flotation of copper sulphide from copper smelter slag using multiple collectors and their mixtures[J].International Journal of Mineral Processing,2015,143:43-49.
[5] KIM B,JO S,SHIN D,et al.A physico-chemical separation process for upgrading iron from waste copper slag[J].International Journal of Mineral Processing,2013,124(11):124-127.
[6] NADIROV R K,SYZDYKOVA L I,ZHUSSUPOVA A K,et al.Recovery of value metals from copper smelter slag by ammonium chloride treatment[J].International Journal of Mineral Processing,2013,124(11):145-149.
[7] ALP I,DEVECI H,SUNGUN H.Utilization of flotation wastes of copper slag as raw material in cement production[J].Journal of Hazardous Materials,2008,159(2):390-395.
[8] YANG Z H,LIN Q,LU S C,et al.Effect of CaO/SiO₂ ratio on the preparation and crystallization of glass-ceramics from copper slag[J].Ceramics International,2014,40(5):7297-7305.
[9] 武奇,王光阳,孙义燃,等.工业窑炉用红外辐射涂层的研究进展[J].耐火材料,2022,56(6):543-547.
[10] 张一帆,王曲,王刚,等.ZrO₂加入量对铝酸镧基高发射率涂层材料的影响[J].耐火材料,2023,57(1):6-9.
[11] 张一帆,王曲,王刚,等.黏结剂种类对铝酸镧涂层材料性能的影响[J].耐火材料,2022,56(2):123-126.
[12] 侯海丽.尖晶石铁氧体的制备及高温高红外发射率研究[D].南京:南京航空航天大学,2018.
[13] 王洪阳,包焕均,张文韬,等.铁橄榄石的氧化分解及碱浸溶硅[J].金属矿山,2020(10):167-173.

热处理时间对铜渣制备红外辐射涂层结构及性能的影响

Effect of thermal treatment time on structure and properties of infrared radiation coating prepared by copper slag

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