Research of Using Electrostatic Separation Technique to Recycle Stainless Steel Powder

Li Aizong

doi:10.15980/j.tzzz.2017.09.016

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Research of Using Electrostatic Separation Technique to Recycle Stainless Steel Powder
Vol. 37, Issue 9, Pages: 990-992(2017)
Published： 2017 ，
DOI： 10.15980/j.tzzz.2017.09.016

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[1]李爱宗.熔模铸造不锈钢粉末料的电选回收工艺[J].特种铸造及有色合金,2017,37(09):990-992.

Li Aizong. Research of Using Electrostatic Separation Technique to Recycle Stainless Steel Powder. [J]. Special Casting & Nonferrous Alloys 37(9):990-992(2017)
[1]李爱宗.熔模铸造不锈钢粉末料的电选回收工艺[J].特种铸造及有色合金,2017,37(09):990-992. DOI： 10.15980/j.tzzz.2017.09.016.

Li Aizong. Research of Using Electrostatic Separation Technique to Recycle Stainless Steel Powder. [J]. Special Casting & Nonferrous Alloys 37(9):990-992(2017) DOI： 10.15980/j.tzzz.2017.09.016.

摘要

在不锈钢熔模铸造后处理工序中

使用砂带机打磨浇冒口时

会产生大量粉末废料。这些粉末料含有大量不锈钢粉屑。根据电选工艺原理

利用粉末料各组分电性质的不同

选择合理的工艺参数

使各组分在高压电晕场和高压静电场里发生不同轨迹的偏移

从而对这些粉末料实现有效分选

获得了高品质的不锈钢粉末回收料

达到了节省资源、降低成本、保护环境的目的。

Abstract

In the post-procedure of stainless steel investment casting

a large amount of waste powder can be formed

which contains plenty of stainless steel powder and scraps.Through adopting electrostatic separation technique and correspondingly selecting reasonable process parameters

based on the different electrical properties of different components in the powder

the effective selection of these powder waste can be realized as a result of certain components moving with different tracks under high-voltage corona field and high-voltage electrostatic field

and the high quality recycled stainless steel powder can be produced

which has been proved to be an economic and environmentally-friendly separation for stainless steel powder.