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Bag Filters

 
 

Recovery of particulate matter from exhaust gas is vital for any industry from two aspects.

To avoid pollution problems
Recovery of finished product increasing the plant yield
 
Working Principle of Bag Filter
 

The dust-laden air enters the bag filter bustle.

The air is uniformly distributed avoiding channeling.

Initially a coat of material forms on the bags. Subsequently, the coat acts as the filtering medium.

The dust is accumulated on filter elements while the air passes through the filter bags from outside to inside.

The accumulated powder is dislodged from the bags by reverse pulse-jet air or by mechanical shaking intermittently. n The dislodged powder falls on bottom cone and is discharged through powder discharge valves.

The dust free air is sucked by induced draft fan and is exhausted to atmosphere.
Knockers are provided on conical portion especially for sticky/hygroscopic materials.
     
 
Features of RAJ Bag Filters
 
Top Quality Media
Temperature range from -35°C to 400°C
Tailored to suit customer requirement.
Easy removal of bags for cleaning.
Various options of filter media to suit the process.
Designed to operate at lower pressure drop thus reducing the power requirement
 
Main Components of Bag Filter
 
Bag filter housing
Filter bags or cartridges
Bag cages
Ventury assembly
Pulse-jet air cleaning assembly or optionally mechanical shaking arrangement.
Air bleeding assembly for over temperature protection.
 
Applications
 
Bulk chemicals
Food industry
Ceramic industry
Paint industry
Pharmaceutical
Mining & Minerals
Cement
Biochemical
Starch
Detergent
Dyes & Pigments
 
        
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