The effect of microwave pretreatment on impact crushing of lead-zinc ore

IF 0.9 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Metallurgical Research & Technology Pub Date : 2021-01-01 DOI:10.1051/metal/2021055

Yu-long Liu, D. Ding, Chen Wenguang, N. Hu, Lingling Wu, Lin Hu, Qiucai Zhang, Zhijun Zhang, Feng Li, Xue Xilong, Zhaopeng Li, Guicheng He, Qing Yu

引用次数: 0

Abstract

The relationship between energy input and particle size of ore samples after crushing and effect of microwave pretreatment on impact crushing of lead-zinc ore were studied by drop weight impact test. The results showed that the lead-zinc ore became softer and had higher degree of crushing after microwave pretreatment. Compared with continuous microwave pretreatment, pulsed microwave pretreatment could improve the drop weight impact crushing efficiency of lead-zinc ore. When the specific comminution energy were 5 kW h/t, 10 kW h/t respectively, the crushing characteristic parameters t10 were 60.42% and 67.46% respectively by continuous microwave. But the values of t10 were increased to 68.64% and 75.88% respectively after pulsed microwave radiation under same microwave power and time. In addition, water quenching could more promote the impact crushing efficiency of lead-zinc ore after microwave irradiation.

查看原文本刊更多论文

微波预处理对铅锌矿冲击破碎的影响

通过落重冲击试验，研究了能量输入与破碎后矿石粒度的关系以及微波预处理对铅锌矿冲击破碎的影响。结果表明，微波预处理后的铅锌矿变得更软，破碎程度更高。与连续微波预处理相比，脉冲微波预处理可提高铅锌矿落重冲击破碎效率，在比粉碎能分别为5 kW h/t、10 kW h/t时，连续微波破碎特征参数t10分别为60.42%和67.46%。在相同的微波功率和时间下，脉冲微波辐照后，t10值分别提高到68.64%和75.88%。水淬更能提高微波辐照后铅锌矿的冲击破碎效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Metallurgical Research & Technology METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

1.70

自引率

9.10%

发文量

审稿时长

4.4 months

期刊介绍： Metallurgical Research and Technology (MRT) is a peer-reviewed bi-monthly journal publishing original high-quality research papers in areas ranging from process metallurgy to metal product properties and applications of ferrous and non-ferrous metals and alloys, including light-metals. It covers also the materials involved in the metal processing as ores, refractories and slags. The journal is listed in the citation index Web of Science and has an Impact Factor. It is highly concerned by the technological innovation as a support of the metallurgical industry at a time when it has to tackle severe challenges like energy, raw materials, sustainability, environment... Strengthening and enhancing the dialogue between science and industry is at the heart of the scope of MRT. This is why it welcomes manuscripts focusing on industrial practice, as well as basic metallurgical knowledge or review articles.