| 七水硫酸镁干燥脱水制取一水硫酸镁实验研究 |
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| 引用本文： | 王昕竑,周欣,王中原,李玲密,朱彤,宋宝华.七水硫酸镁干燥脱水制取一水硫酸镁实验研究[J].无机盐工业,2011,43(10):45-47. |
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| 作者姓名： | 王昕竑 周欣 王中原 李玲密 朱彤 宋宝华 |
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| 作者单位： | 中节能六合天融环保科技有限公司,北京,100085 |
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| 摘 要： | 一水硫酸镁是较七水硫酸镁含硫镁成分高、附加值大、市场前景广阔的重要化工原料及双元素肥料。苦土法生产的一水硫酸镁品质较低,不能满足市场要求。通过比较高温结晶法和干燥脱水法的工艺特点,以及所涉及的多种设备,在掌握相关资料及小试实验数据的基础上,采用盘式干燥机直接干燥七水硫酸镁的方式制取一水硫酸镁。实验结果表明,该种盘式干燥机在温度为160℃、搅拌转速为15 r/min情况下的干燥强度(以水计)为4.1 kg/(m2.h)。使用盘式干燥机可以较好地生产出满足品质要求的一水硫酸镁,使用该机单位产品能耗适中,单位产品净收益在合理范围内。
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| 关 键 词： | 七水硫酸镁 一水硫酸镁 干燥脱水 |
Study on preparation of magnesium sulfate monohydrate by dehydration of magnesium sulfate heptahydrate |
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| Wang Xinhong,Zhou Xin,Wang Zhongyuan,Li Lingmi,Zhu Tong,Song Baohua.Study on preparation of magnesium sulfate monohydrate by dehydration of magnesium sulfate heptahydrate[J].Inorganic Chemicals Industry,2011,43(10):45-47. |
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| Authors: | Wang Xinhong Zhou Xin Wang Zhongyuan Li Lingmi Zhu Tong Song Baohua |
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| Affiliation: | Wang Xinhong,Zhou Xin,Wang Zhongyuan,Li Lingmi,Zhu Tong,Song Baohua(CECIC Liuhe Talroad Environmental Technology Co.,Ltd.,Beijing 100085,China) |
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| Abstract: | Magnesium sulphate monohydrate is a very important chemical raw material and dual-element fertilizer with more magnesium and sulfur components,added value,and market prospect than magnesium sulphate heptahydrate.Magnesium sulphate monohydrate producted by Ku-Tu method cannot meet market requirements as the lower quality.By comparing process characteristics of high-temperature crystallization and drying dehydration,a variety of equipment,as well as relevant information and pilot test data,a disc dryer was ad... |
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| Keywords: | magnesium sulfate heptahydrate magnesium sulfate monohydrate drying and dehydration |
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