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[1]杨泽清,王伟,张凌燕,等.煅烧温度对高岭土性质的影响[J].武汉工程大学学报,2013,(07):66-69.[doi:103969/jissn16742869201307013]
 YANG Ze qing,WANG Wei,ZHANG Ling yan,et al.Influence of calcination temperature on nature of kaolinite[J].Journal of Wuhan Institute of Technology,2013,(07):66-69.[doi:103969/jissn16742869201307013]
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煅烧温度对高岭土性质的影响(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年07期
页码:
66-69
栏目:
资源与土木工程
出版日期:
2013-07-31

文章信息/Info

Title:
Influence of calcination temperature on nature of kaolinite
文章编号:
16742869(2013)07006604
作者:
杨泽清1王伟1张凌燕2管俊芳2邱杨率2田钊2曹刚2
1.湖北柳树沟矿业股份有限公司,湖北 宜昌 443145;2.武汉理工大学资源与环境工程学院, 湖北 武汉430070
Author(s):
YANG Zeqing1WANG Wei1ZHANG Lingyan2GUAN Junfang2Qiu Yangshuai2TIAN Zhao2CAO Gang2
1. Hubei Liushugou Mining Industry Co., Ltd,Yichang 443145,China;2. School of Resource and EnvironmentalEngineering, Wuhan University of Technology, Wuhan 430070,China
关键词:
高岭土煅烧温度白度
Keywords:
kaolinite calcination temperature whiteness
分类号:
TD985
DOI:
103969/jissn16742869201307013
文献标志码:
A
摘要:
对湖北某地红岩崖的块状沉积型高岭土矿石进行化学成分分析、物相分析以及热重分析,原矿中高岭石含量达90%以上.探索了煅烧温度对产品白度、pH值的影响,结果显示最佳的煅烧温度区间为875~950 ℃,煅烧后产品白度≥80%,100 g/L的高岭土产品悬浊液pH≤7,产品高岭土组分为偏高岭石.根据实验结果设定950 ℃的煅烧温度在某有限公司生产线进行了连续7天稳定生产的工业试验,得到白度为(82±1)、pH值为(6.20±0.2),质量稳定且符合国家工业标准的产品.
Abstract:
Chemical composition analysis, phase analysis, and thermal gravimetric analysis were used to determine the basic nature of the massive sedimentary kaolinite in red rock cliff in Hubei province; the content of kaolinite in the crude ore is over 90%. The influence of calcination temperature on the whiteness, pH value of the product was explored. The results show that the optimum range of calcination temperatures is between 875 ℃ and 950 ℃, the whiteness of the product is greater than or equal to 80%, the pH of 100 g/L suspension of the product is less than 7. The calcination temperature was set at 950 ℃ based on the experimental results, continuous industrial test of stable production for 7 days was made in a special flour limited production line and the product was gained with whiteness (82 ± 1), pH( 6.20 ± 0.2).The quality of product is stable,which meets the national industrial standard.

参考文献/References:

[1]曹金胜,赵连环,司志利. 煤系高岭土煅烧温度对产品白度的影响\[J\].中国非金属矿工业导刊,2005(3):3243.[2]黄天星. 煅烧温度对高岭土白度的影响及物理变化研究\[C\]//第七次煤炭科学技术大会文集:下册.北京:中国煤炭工业协会,2011.

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备注/Memo

备注/Memo:
收稿日期:20130515作者简介:杨泽清(1966),男,湖北宜昌人,总工程师.研究方向:非金属矿物加工.
更新日期/Last Update: 2013-07-31