air pollution and bag house filters

1. BY: SrutiSudha Mohanty
BAG HOUSE FILTERS

2. AIR POLLUTION
• Air pollution is the introduction into the
atmosphere of chemicals , particulates or
biological matters that cause discomfort,
disease or death to humans , damage other
living organisms such as food crops or
damage the natural environment.

3. PARTICULATE MATTER SEPARATION
SCRUBBING FILTRATION ESP
MECHANICAL
DUST
COLLECTION
DUST
SUPRESSION

4. BAG FILTERS

5. BASIC OPERATING PRINCIPLES
Dust laden air enters through the hopper by
suction or positive pressure.
The heavier dust particles fall immediately
into the hopper while the lighter ones deposit
on the outer surface of filter bags.
Dust deposited on bag surface is dislodges &
bag is cleaned by pulse of high pressure
compressed air.

8. Fabric is cleaned by : Shaking

9. Fabric is cleaned by :
compressed air

10. Fabric is cleaned by :
Reverse air

11. • In an industrial system of gas cleaning, the
fabric is media made into either an envelope
or a tube. These envelopes or tubs are called
the bags and a housing of these is called Bag
Filter or Bag House.