Electrostatic precipitators South Africa Geecom OEM of electrostatic precipitatorsElectrostatic precipitators South African manufacturers. GEECOM are Original Equipment Manufacturers of electrostatic precipitators have supplied and installed control equipment as well as mechanical components for dry and wet Electrostatic Precipitators to major South African installations.

Basic Principles

Electrostatic precipitation removes particles from the exhaust gas stream of a process. Often the process involves combustion, but it can be any industrial process that would otherwise particles to the atmosphere. There are six activities that take place:

Ionization - Charging of particles
Migration - Transporting the charged particles to the collecting surfaces
Collection - Precipitation of the charged particles onto the collecting surfaces
Charge dissipation - Neutralizing the charged particles on the collecting surfaces
Particle dislodging - Removing the particles from the collecting surface to the hopper
Particle removal - Conveying the particles from the hopper to a disposal point or return to the process.

The major precipitator components that accomplish these six activities are listed here.

The electrical power supply
Discharge electrodes
The collecting electrodes (plates) or other collecting surfaces
The rapping systems
Precipitator hoppers
Dust discharge conveyors

Other components of the system include the casing housings, flow distribution devices, and structural/support systems.

Diagram courtesy of http://www.zet.com/techrefs_overview_fr.html

ESP Terminology

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