Apparatebau Rothemuhle Brandt & Kritzler Gmbh

Franz J Kirchhoff

Joachim Brandt

The overall effective volume of a horizontal gas flow electrostatic precipitator is divided into at least four electrostatic field units arranged in stages, there being at least upper and lower vertically aligned stages, the precipitator having a dust exit bunker which receives dust collected in each of the upper and lower stages. Below the collector electrodes of the upper stage are collection pockets which communicate with the dust exit bunker through downwardly extending dust passages located in the lower stage. These passages are internal passages within hollow collector electrodes of the lower stage. The electrostatic field units are, independently of one another, each connected to a respective separate controllable power supply means so that it is possible to generate, in each respective stage, a separate controllable high voltage. The power supply means in each stage are regulated so as to provide the required electrical characteristics, it being particularly preferred that the power supply means in each stage be self-regulating so as to automatically adjust the voltage in that stage to the desired value. Each stage is also provided with a separate rapper mechanism. Gas flow is preferably in opposite horizontal directions in vertically adjacent stages.

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Olpe, Germany

Franz J Kirchhoff