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提高翁泉沟硼铁矿反应活性的工艺研究

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Indexed by:期刊论文

Date of Publication:2008-04-10

Journal:无机盐工业

Included Journals:PKU、ISTIC

Volume:40

Issue:4

Page Number:21-24

ISSN No.:1006-4990

Key Words:硼铁矿;焙烧;反应活性;复合添加剂

Abstract:针对碳碱法加工翁泉沟硼铁矿生产硼砂过程中存在的矿石活性低等问题,通过添加复合添加剂对硼铁矿进行活化焙烧,用常压碱解率评价焙烧矿的反应活性,分别考察了复合添加剂用量、焙烧温度以及焙烧时间对翁泉沟硼铁矿反应活性的影响.研究结果表明,加入复合添加剂进行钠化焙烧能够明显提高硼铁矿的碳碱法的反应活性.适宜的工艺条件为:复合添加剂的加入量为原矿质量的19%,焙烧温度为950℃,焙烧时间为2h.在该工艺条件下,硼铁矿反应活性达到了93.16%.

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