高压静电分选技术在回收废旧电路板中的研究进展

更新时间：2020-10-19 10:20:09 大小：859K 上传用户：gsy幸运查看TA发布的资源 标签：高压静电分选技术废旧电路板 下载积分：1分评价赚积分（如何评价?）收藏评论(0) 举报

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高压静电分选是利用物质的导电特性、介电常数差异，使静电力、重力、离心力等有效地作用在所有粒子上而实现分选，具有高效、低耗、环境友好等显著优点，是废旧电路板无害化处理和资源化利用的先进技术之一。分析了高压静电分选机的工作原理，结合对电场及空间电荷分布的研究和颗粒荷电及动力学过程研究的新进展，总结了应用于废旧电路板回收的高压电选机设备及工艺流程，并提出了该技术在废旧电路板回收再利用方面的一些新动向。

Corona electrostatic separation is an advanced technology for waste printed circuit boards sate disposal and utilization, with high efficiency, low consumption, environmentally friendly and other significant advantages. As the different materials have different electrical properties and dielectric constants, materials in corona electrostatic separator are separated by different static electricity, gravity and centrifugal force. The working principle of electro-static separation first are analyzed, combined with the new progress of electric field and space charge distribution, as well as the dynamics of charged particles, and the optimization parameters of equipment and process are summarized. Some new trends of this technology are discussed...