4万吨高白填料氢氧化铝项目的改造设计
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摘要
分析了原有高白填料氢氧化铝制备车间的工艺路线、设备类型,以及由此产生的产品缺陷。通过采用平盘过滤机、超细立磨等设备对原有车间进行了技术改造,并将改造前后产品的质量情况进行了对比。主要介绍了改造技术路线的工艺和主要设备的参数、配置。该技术路线集过滤～烘干～粉碎～混料于一体,可降低产品吸油量、稳定粒度分布,达到提高产品品质、降低生产成本的目的。
The process and equipment of the original high white aluminum hydroxide workshop and the resulting product defects were analyzed. The original workshop was reformed by using flat plate filter, ultra-fine vertical mill and other equipment, and the quality of the products before and after the technological transformation was compared. This paper mainly introduces the process of technological transformation, and the parameters、allocations of the main equipment. The technical reformation integrates filtration, drying, milling and mixing, which can reduce oil absorption, stabilize particle size distribution, improve product quality and reduce production cost.
The process and equipment of the original high white aluminum hydroxide workshop and the resulting product defects were analyzed. The original workshop was reformed by using flat plate filter, ultra-fine vertical mill and other equipment, and the quality of the products before and after the technological transformation was compared. This paper mainly introduces the process of technological transformation, and the parameters、allocations of the main equipment. The technical reformation integrates filtration, drying, milling and mixing, which can reduce oil absorption, stabilize particle size distribution, improve product quality and reduce production cost.
引文
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[2]郑朝振,张廷安,吕国志,et al.高铝粉煤灰制备的高白氢氧化铝的物性分析[J].轻金属,2014(6).
[3]狄跃忠,彭建平,王耀武,et al.硼镁石真空铝热炼镁还原渣提取高白氢氧化铝[J].东北大学学报(自然科学版),2014,35(5):716-720.
[4]田侣.高浓度铝酸钠溶液种分制备高白超细氢氧化铝粉的研究[D].中南大学,2012.
[5]郝云飞,张海涛,李新华.关于提高平盘过滤机洗涤质量的探究[J].世界有色金属,2012(4):38-40.
[6]张瑞锋.平盘过滤机用于脱硅粉煤灰过滤分离中存在问题与改进措施[J].轻金属,2013(4):24-27.
[7]姜永军,杨宝惠,刘学杰,等.立式磨流场结构对过粉现象的影响[J].矿山机械,2015(6):73-76.
[8]庞林春,马胜刚,刘晓瑞,et al.新型立式磨粉机结构和性能的分析与研究[J].矿山机械,2015(8):85-87.
[9]于海燕,李文成,毕诗文,et al.高白填料氢氧化铝的微观结构[J].东北大学学报(自然科学版),2010,31(7):995-998.