| 磷石膏资源化利用的发展方向 |
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| 引用本文： | 孙志立,;车建青.磷石膏资源化利用的发展方向[J].化肥工业,2014(4):1-3. |
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| 作者姓名： | 孙志立 ;车建青 |
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| 作者单位： | [1]贵州源翼矿业集团有限公司,贵州瓮安550405; [2]昆明隆青化工有限公司,云南昆明650000 |
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| 摘 要： | 分析了目前国内磷石膏利用面临的难题和必须解决的基本问题,提出了磷石膏资源化利用的创新思路及发展方向。磷石膏制硫酸联产水泥是磷石膏资源化利用的发展方向,主要有中空长窑法、预热器窑法和窑外分解法,其中窑外分解法采用竖罐来获得高浓度窑气,并添加矿化剂,无需添加天然石膏或硫磺,可使磷石膏的利用率提高至100%。
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| 关 键 词： | 磷石膏 资源化利用 窑外分解法 发展方向 |
Development Direction of Resource Utilization of Phosphogypsum |
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| Sun Zhili;Che Jianqing.Development Direction of Resource Utilization of Phosphogypsum[J].Journal of the Chemical Fertilizer Industry,2014(4):1-3. |
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| Authors: | Sun Zhili;Che Jianqing |
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| Affiliation: | Sun Zhili, Che Jianqing ( 1. Guizhou Yuanyi Mining Group Co., Ltd. Guizhou Weng＇ an 550405 ; 2. Kunming Longqing Chemical Co., Ltd. Yunnan Kunming 650000) |
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| Abstract: | An analysis is made of the problems facing utilization of phosphogypsum at present in China and basic problems needing to be solved , and innovation ideas and development direction for resource utilization of phosphogypsum are suggested .Production of sulfuric acid with co-production of cement from phosphogypsum is the development direction of resource utilization of phosphogypsum , the main processes are hollow long kiln method , preheater kiln method and outside kiln decomposition method, among which, outside kiln decomposition method uses vertical retort to obtain high concentrated kiln gas , and adds mineralizer , has no need to add natural gypsum or sulfur , can increase utilization ratio of phoshogypsum to 100%. |
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| Keywords: | phosphogypsum resource utilization outside kiln decomposition method develop-ment direction |
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