Bag Filter use in cent and calcium carbonate.ppt

Bag filter used in packing machine

1. Design, Layout, and
Types
Of filter cleaning by bag
filters

2. cartridge filter
B
a
g
f
i
l
t
e
r
pocket filter
(surface filter)

3. Valve closed
Valve open
Clean gas
outlet
Reverse air
connecting
piece
Shaking
mechanism
Clamping
strip
Intermediate
ring
Filter
Chamber
Bottom of
Bag
Dust
collecting
hopper
Crude
Gas
Inlet
Reverse
air inlet
Crude
Gas duct
Filter
bags
Schematic diagram of a shaking bag with Schematic diagram of a shaking bag with
reverse airreverse air
Rotary valve
Dust sluise

4. Reverse
air jet
Crude
Gas
Inlet
Clean
Gas
outlet
Compressed
air hose
Lifting device
for ring Jet
Filter Bag
Ring Jet
Motion rod
Filter chamber
Rotary valve
Dust collecting
hopper
Schematic Schematic
diagram diagram
of of
blowing blowing
type type
filterfilter

5. Turning gear for the
cleaning conduit
Clean gas outlet
Crude Gas Inlet
Dust collecting hopper
Reverse air ventilation fan
Filter Bags
Filter Bags in cleaning
phase
Rotating cleaning conduit
Pulsator
Dust extraction
sluise
Schematic diagram of reverse air bag filterSchematic diagram of reverse air bag filter

6. Filter Cleaning SystemFilter Cleaning System
Filter
Cleaning
Process
Filtration
Process

7. Schematic course of the pressure lossSchematic course of the pressure loss

8. P
a
r
t
i
c
l
e

c
o
n
c
e
n
t
r
a
t
i
o
n

C
Filtration time t
Schematic Course of the particle Schematic Course of the particle
concentration in clean gas in concentration in clean gas in
dependency on the filtration timedependency on the filtration time

9. Filter bag
Supporting cage
Bag bale
Venture
Secondary air
Swelling air
Jet tube
Central Jet
PrinciplePrinciple
ofof
FlowFlow
injectorinjector

10. Ring Gap
Jet
Compressed
air connecting
piece
Clean gas
chamber
Dust gas chamber
Flow
injector
Bag
Principle of function of the ring gap injectorPrinciple of function of the ring gap injector
Supporting
cage

11. Compressed air
duct with
Tangential
opening into the
ring gap jet
Ring Gap
Jet
Filter bag
during
cleaning

12. Improved Improved
BagBag
FixingFixing
Catch
ring
Regular Cleaning
Abrasion
caused by
particles
Trick layer of
filter cake
avoiding air
flow
Operation
Supportin
g ring
Damage caused
Formation of
fold
Bag
collapse
Dust
banking

13. 3.35 m/min.
1.52m/min.
0.61 m/min.
0.39 m/min
Dust load of the filter medium in g/m
2P
a
r
t
i
c
l
e

c
o
n
c
e
n
t
r
a
t
i
o
n

i
n
c
l
e
a
n

g
a
s

i
n

g
/
m
3
Influence of the filtration speed on the gas concentrationInfluence of the filtration speed on the gas concentration

14. 1-Crude gas duct
2- Preliminary separating
chamber
3- Gas Baffle
4- Filter Chamber
5- Filter Bag
6- Supporting Cage
7- Pure gas Chamber
8- Pure Gas duct
9- Compressed air
reservoir
10- Diaphragm valve
11- Jet tube
12- Dust collecting hopper
13- Dust discharge