| 预控法与均值极差图在磷铵生产中的应用 |
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| 引用本文： | 曾志伟. 预控法与均值极差图在磷铵生产中的应用[J]. 云南化工, 2014, 0(5): 58-61 |
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| 作者姓名： | 曾志伟 |
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| 作者单位： | 云南云天化国际化工有限公司 红磷分公司，云南，开远，661699 |
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| 摘 要： | 以磷铵生产工艺指标中和料浆中N与P物质的量比为例,对比分析了预控法与均值极差图应用效果差异,发现在标准偏差较小的数据分析时,应用预控法效果更佳。
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| 关 键 词： | 预控法 均值 极差 磷铵 |
Application of Pre -control Law and Mean Range Chart in Ammonium Phosphate Production |
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| ZENG Zhi-wei. Application of Pre -control Law and Mean Range Chart in Ammonium Phosphate Production[J]. Yunnan Chemical Technology, 2014, 0(5): 58-61 |
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| Authors: | ZENG Zhi-wei |
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| Affiliation: | ZENG Zhi-wei;International Chemical Co. Yuntianhua red phosphorus Branch; |
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| Abstract: | Taking the N and P molar ratio in process indicators and slurry of the production of ammonium phosphate as example,the difference between pre-control method and application effect of differences in the mean range chart was compared and analyzed. It was found that the application of pre-control method would be better when data with smaller standard deviation was used for analysis. |
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| Keywords: | pre -control method mean poor AP |
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