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首页> 外文会议>IEEE Industry Applications Society Annual Meeting >New aero-dynamic tribo-charging device with application to the electrostatic separation of granular mixtures of insulating materials
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New aero-dynamic tribo-charging device with application to the electrostatic separation of granular mixtures of insulating materials

机译：新型气动摩擦充电装置，用于静电分离绝缘材料的颗粒混合物

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The aim of this paper is the development and functional optimization of a new propeller-type aero-dynamic tribo-charging device with application in the field of electrostatic separation. The originality of the system consists in its modular structure: one or several propellers can be stacked in the same device, to provide appropriate tribocharging conditions to a wide variety of granular mixtures containing two or more of insulating materials. The study is conducted with samples of various of the following insulating materials: PC, PA, ABS, PVC and HIPS, grain sizes (up to 4 mm in diameter) for several values of the propeller rotation speed, and of the mass of the particles the particles in the tribocharging device, the wall of which are made of acetate, PMMA or aluminum. The efficiency of the device is tested by introducing the charged granular mixture into a conveyor-type electrostatic separator. The aluminum-wall device enables better charging that PMMA and acetate. The mass introduced in the device has no significant effect on the outcome of the process, but the speed of the propellers does. Successful separation of a mixture of three insulating materials is reported.
机译：本文的目的是开发一种新型螺旋桨式气动摩擦装置，并将其应用于静电分离领域。该系统的独创性在于其模块化结构：一个或多个螺旋桨可堆叠在同一设备中，以为包含两种或更多种绝缘材料的多种颗粒混合物提供适当的摩擦充电条件。该研究使用以下各种绝缘材料的样品进行：PC，PA，ABS，PVC和HIPS，针对螺旋桨转速和颗粒质量的多个值的晶粒尺寸（直径最大为4 mm）摩擦充电装置中的颗粒，其壁由醋酸盐，PMMA或铝制成。通过将带电的颗粒状混合物引入输送机式静电分离器中，测试设备的效率。铝壁设备可实现比PMMA和醋酸盐更好的充电。引入设备的质量对过程的结果没有显着影响，但螺旋桨的速度却有影响。据报道成功分离出了三种绝缘材料的混合物。

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