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Wet tar-oil e-filter

R&R-BETH wet, tar and oil mist electrostatic precipitators are used to clean aerosol-containing exhaust air processes in which the use of a dry separation process is not possible due to the dust and gas characteristics.

For decades, R&R-BETH has been using and optimising this technology in order to reliably filter aerosols with the finest dust particles as well as tar- and oil-containing water-saturated process gases.

Another positive effect is the additional separation of pollutant components such as HCL, SO2, NaCL and HF.

R&R-BETH wet electrostatic precipitators are mostly used for cleaning process gas streams behind dryers, scrubbers or quenches.

R&R-BETH tar electrostatic precipitators are mainly used in the process cleaning of charcoal kilns.

R&R-BETH oil mist electrostatic precipitators are used for cleaning aerosols containing oil (e.g. oil mist and oil vapours).

 

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For further information please contact us here...

 

 

OPERATING PRINCIPLE

The process gas enters the electrostatic precipitator vertically from below and is brought to a uniform flow profile over the entire filter cross-section by gas distribution. 

The particles or aerosols / water droplets are electrically charged by the high voltage (78-135 kV) applied between the spray electrodes and the precipitation honeycombs. 

On their way through the electric field, the charged particles are transported by the electrostatic field forces to the collecting electrodes, where they agglomerate with the already separated particles and are cleaned off by periodic use of rinsing water. 

The dust/water mixture flows independently into the filter trough located below the gas inlet. The cleaned gas leaves the filter through the gas outlet bonnet arranged on the filter head.

Wet electrostatic precipitator Functional principle

 

 

 

 

 

Gas conditioning through continuous injection of fog water
(arranged between gas distribution and electric field)

 

 

 

Cleaning of the honeycomb precipitation electrodes as well as the spray electrodes by a periodically acting rinsing water system.

 

 

For further information please contact us here...

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