DD252502A3 - METHOD AND DEVICE FOR ELECTROSTATIC COATING WITH POWDERFUL PLATES - Google Patents

Abstract

The aim of the invention is to increase the effectiveness of applying powder-like plastics by the electrostatic process. It is a method and an apparatus for electrostatic powder coating, wherein the charging is carried out by the electrokinetic method, the principle is that to achieve a high flow rate in the charging tube, the charging gas is used, which is sucked out of the powder-gas mixture, which exits the device. For suction, the Strahlsaugeffekt the Zerstaeubungsgasstroms is used. The charge gas increases the atomization intensity and causes a very close contact between the powder particles and the inner wall of the charging tube, whereby it does not get out of the device and thus does not increase the final speed. The powder is heavily charged. In tests a charge up to 210 3 Ckg 1 could be detected.

Description

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Claims (1)

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