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细粒富钛料制粒工艺技术研究现状

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侯晓磊, 陈凤, 郑富强, 王帅, 杨凌志, 郭宇峰. 细粒富钛料制粒工艺技术研究现状[J]. 矿产综合利用, 2022, 43(4): 100-105. doi: 10.3969/j.issn.1000-6532.2022.04.018
引用本文: 侯晓磊, 陈凤, 郑富强, 王帅, 杨凌志, 郭宇峰. 细粒富钛料制粒工艺技术研究现状[J]. 矿产综合利用, 2022, 43(4): 100-105. doi: 10.3969/j.issn.1000-6532.2022.04.018
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Hou Xiaolei, Chen Feng, Zheng Fuqiang, Wang Shuai, Yang Lingzhi, Guo Yufeng. Research Status of Granulation Technology Process of Fine-Grade Rich Titanium Material[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(4): 100-105. doi: 10.3969/j.issn.1000-6532.2022.04.018
Citation: Hou Xiaolei, Chen Feng, Zheng Fuqiang, Wang Shuai, Yang Lingzhi, Guo Yufeng. Research Status of Granulation Technology Process of Fine-Grade Rich Titanium Material[J]. Multipurpose Utilization of Mineral Resources, 2022, 43(4): 100-105. doi: 10.3969/j.issn.1000-6532.2022.04.018
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细粒富钛料制粒工艺技术研究现状

  • 中南大学资源加工与生物工程学院，湖南　长沙　410000

  • 基金项目: 国家自然科学基金青年科学基金（51904348）；湖南省自然科学基金青年基金项目（2019JJ50816）
详细信息
    作者简介: 侯晓磊（1993-），男，硕士研究生，研究方向为钢铁冶金
    通讯作者: 陈凤（1987-），女，副教授，研究方向为钢铁冶金。

  • 中图分类号: TD952;TF09

Research Status of Granulation Technology Process of Fine-Grade Rich Titanium Material

  • School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China

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    摘要

  • 钛资源经过富集提钛、除杂处理，获得满足沸腾氯化法对炉料要求的富钛料。但细粒富钛料占比多，难以满足沸腾氯化法对炉料粒度的要求。细粒富钛料在沸腾氯化过程中易导致沟流、节涌，细颗粒逸出量大等问题，造成沸腾氯化率低、炉料反应不充分，且严重影响沸腾氯化工艺的顺行。因此，对细粒级富钛料进行制粒处理，使其满足原料粒度要求，是制备出优质沸腾氯化炉料的关键问题之一。本文详细总结了细粒级富钛料颗粒制粒的方法及所需粘结剂，分析了目前细粒富钛料制粒的方法及采用的粘结剂中存在的问题，并指出采用固结温度低的无机或有机-无机复合粘结剂，对细粒级富钛料进行流态化制粒是有利于实现工业化的发展方向。

    Titanium resources are enriched to extract titanium and remove impurities to obtain titanium-rich materials that meet the requirements of boiling chlorination furnace charge. However, the fine-grade rich titanium materials make up a large part, and it cannot meet the particle size requirements of boiling chlorination furnace charge. The fine-grade rich titanium materials tend to cause problems such as channel flow, slugging and escapes from the furnace during boiling chlorination process, resulting in low boiling chlorination rate, inadequate reaction of the charge, and severely affects the stable running of boiling chlorination process. Therefore, granulating the fine-grade rich titanium materials to meet the requirements of the raw material particle size is one of the key issues in preparing high-quality boiling chlorinated furnace charge. This paper summarizes the granulation method of fine-grade rich titanium materials particles and the required binders in detail, analyzes the problems in the current granulation method of fine-grade rich titanium materials and the binders used, and points out that the use of inorganic or organic-inorganic composite binders with low consolidation temperature to fluidize granulation of fine-grained titanium-rich materials is beneficial to the development direction of industrialization.

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收稿日期:  2020-06-30
刊出日期:  2022-08-25

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