| 混酸冲洗滤盘的可行性 |
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| 引用本文： | 段付岗,张沂圭.混酸冲洗滤盘的可行性[J].硫磷设计与粉体工程,2003(1):7-9. |
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| 作者姓名： | 段付岗 张沂圭 |
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| 作者单位： | 1. 陕西陕化化肥股份有限公司复肥厂,陕西,华县,714100
2. 南化集团设计院,江苏,南京,210048 |
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| 摘 要： | 湿法磷酸生产中，均以水为介质冲洗倾覆盘式真空过滤机的滤盘，为实现系统的污水零排放，提高倾覆盘式真空过滤机的生产能力，提出以回磷酸和硫酸配制成混酸去冲洗滤盘的方法。分析了采用该方法的诸多优点及注意事项，指出安全生产问题须认真落实。
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| 关 键 词： | 翻盘过滤机 真空过滤机 磷酸生产 滤盘 冲洗 回磷酸 硫酸 探讨 |
| 文章编号： | 1009-1904(2003)01-0007-03 |
| 修稿时间： | 2002年10月8日 |
Feasibility of Flashing Filter Disc with Mixed Acid |
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| DUAN Fu gang ,ZHANG Yi gui.Feasibility of Flashing Filter Disc with Mixed Acid[J].Sulphur Phosphorus & Bulk Materials Handling Related Engineering,2003(1):7-9. |
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| Authors: | DUAN Fu gang ZHANG Yi gui |
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| Affiliation: | DUAN Fu gang 1,ZHANG Yi gui 2 |
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| Abstract: | Water is used in the wet process phosphoric acid production to flash the filter disc of cell filter It proposes the method to flash the filter disc using mixed acid made from returned phosphoric acid and sulfuric acid so as to realize zero sewage discharge for the system and increase the production capacity of the cell filter It analyzes the advantages and precautions for this method and points out that the safe production shall be carefully implemented |
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| Keywords: | revoling leaf type filter + vacuum filter phosphoric acid production filter disc + flash return phosphoric acid + sulfuric acid probe |
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