Electrostatic separation of a mixture of valuable materials, e.g., a mineral salt mixture, by means of a pipe separator, and device for electrostatically separating such a mixture of valuable materials by means of a pipe separator, and method for electrostatic separation

摘要

The invention relates to a pipe separator (5) for electrostatically separating particles of a mixture of valuable materials, e.g., a mineral salt mixture, having different electrical charges, comprising a carrier pipe (10), wherein the carrier pipe has two field electrodes (8, 9) arranged opposite each other for generating an electric field, wherein the field electrodes (8, 9) are covered toward the inside by an insulating layer.

主权项

1. An equipment for electrostatic separation of differently electrically-charged particles of a valuable material mixture, comprising:
a tube separator, for electrostatic separation of differently electrically-charged particles of a valuable material mixture, said tube separator comprising; a support tube, wherein the support tube comprises two field electrodes arranged near each other for the formation of an electric field, and the field electrodes are covered internally by an insulator layer, wherein an equipment item, in which the material mixture to be separated is conditioned and mixed through a turbulent gas flow and is tribo-electrically charged, and wherein the equipment item is connected through at least one pipe directly with the tube separator, wherein a solid matter-gas mixture is conveyed with a specified speed through the at least one pipe to the tube separator, wherein the equipment item is provided with at least a first and a second chamber, wherein a conditioning of the particles of the material mixture is implemented in the first chamber, wherein in the second chamber, at least one injector nozzle is provided, in order to supply the tube separator with a solid matter-gas mixture directly through the at least one pipe, wherein the at least one injector nozzle is adjustable with respect to the particle size of the particles of the valuable material mixture to be taken up.