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磷尾矿磷含量的影响因素和控制措施

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为降低磷矿浮选尾矿中P2O5含量,通过分析大量的生产数据,比对各个流程,深挖磷尾矿磷含量的影响因素,主要包括溢流板高度调节不合理、pH未及时调节、充气阀门开度过大、抑制剂酸度检测频次不够、原矿磷镁含量配比不适合等;并针对各影响因子实施快赢改善和因子改善对策.通过各控制措施的落实达到了降低磷尾矿磷含量的目的,磷尾矿w(P2O5)由2.94%降至2.75%.
Influencing factors and control measures of phosphorus content in phosphorus tailings
To reduce the P2O5 content in phosphate ore flotation tailings,a large amount of production data is analyzed,and various processes are compared to identify the factors affecting the phosphorus content in the phosphorus tailings.These factors mainly include unreasonable height adjustment of the overflow plate,untimely pH adjustment,excessive opening of the inflation valve,insufficient frequency of inhibitor acidity detection,and inappropriate ratio of phosphorus and magnesium content in the raw ore;And quick win improvement and factor improvement measures for each influencing factor are carried out.The implementation of various control measures has achieved the goal of reducing the phosphorus content in tailings,which has decreased from 2.94%to 2.75%.

phosphate ore flotationphosphorus tailingsphosphorus contentinfluencing factorscontrol measures

吴建华、杨洋、余正华、何俊杰、李芬、卞棚森、秦城、曹佳荔

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湖北三宁化工股份有限公司,湖北 枝江 443200

磷矿浮选 磷尾矿 磷含量 影响因素 控制措施

2024

磷肥与复肥
郑州大学 中国磷肥工业协会

磷肥与复肥

CSTPCD
影响因子:0.291
ISSN:1007-6220
年,卷(期):2024.39(10)
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