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Electrostatic Precipitator

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The Vapour electrostatic precipitator can be used to separate micro-fine dust particles form hot processes gases of 350-400 Degree Celsius. Therefore, ESP is used in boiler plants and various chemical process industries.
Separation of micro-fine dust particles to meet
the required Emission Norms
Low pressure drop
Low energy cost compared to fabric filter dust
  collector / Bag Filter
Low maintenance and required only one
  maintenance per year
Continuous dust collecting process
High gas temperature up to 350-400 degree
Design for low to very high volume of gas
High Collection Efficiency
Principle of Operation

The dust contaminated process gas enters the electrostatic precipitator horizontally and is distributed uniformly across the entire filter cross section through perfect gas distribution system.

Electrical field is generated between the corona discharge electrodes and the collecting electrode plates by applying high voltage. The process gas and dust particles are electrically charged.

The charged particles are transported to the collecting electrodes plates by electric field strength, where they agglomerates with the existing dust particles. The collected dust particles are removed from the collecting surface by mechanical rapping hammer system.

The removed dust particles dropped into hopper bellow and are removed through dust collection system.

The purified gas leaves ESP.

Short Description of the Technology
Gas distribution screen are provided at inlet and outlet as per computer modelling for proper gas distribution in ESP.
Horizontal passage of the ESP consist of the suspended collecting electrodes in plate construction with dust collecting channels. These helps to
  maintain uniform electric field and smooth removal of collected dust particles without re-entrainment of dust.
High performance discharge electrodes are made of special stainless steel strip and are arranged in the center. A suitable clearance is given between
  mounting of the framing and discharge electrode.
A simplified mechanical rapping hammer mechanism is used to knocked of dust particles from corona discharge electrodes and collecting plates
Transformer-Rectifier sets supply specified DC Voltage and current to the field Electrostatic Precipitator.
Low Power Consumption of the electric system
Electric heating of the insulator and hooper (in special cases) are provided
Pyramidal hopper and dust conveying system are provided to prevent accumulation of dust
High performance of separation ensured by current high voltage control system.
For specific conditions, ESP are design individually for each project and as per customers requirements.
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