Nomex Aramid Filter Bag for Asphalt Mixing Plant Dust Collector
Description Nomex Aramid filter bag:
We select Dupont Nomex Filter Fiber to produce the Nomex high temperature needle felt,it is the
best filter material for high temperature fume / dust / ash, for steel plant, asphalt mixing, other
metal industries .
The characteristics of nomex filter needle felt: High temperature (204~ 240 degree), anti -acid,
anti-alkali,high filtration precision, blow speed, low pressure drop, anti -break, anti -abrasion,
mostly applied in pitch mix gas, blast furnace gas in steel factory, tail gas of white char, kiln
applications, electric cooker high temperature gas.
The normal specification of Nomex Filtration Felt :
400 gsm , 450 gsm , 500 gsm , 550 gsm , 600 gsm ,
Threatment : PTFE coating, PTFE membrane, Water and oil repellemnt treatment .
Although we can tailor produce the size of Nomex Filter Bag for different Model of dust
collector , there is normal size as following :
| Applied industry ( Bag Filter system ) | Diameter (mm ) | Length (mm) |
| Asphalt mixing Plant | 130 | 2500 |
| Metal smelting furnace | 160 | 3000 |
| Steel Mill ( sintering machine , blast furanmce ) | 160 | 6000 |
| Tobacco drying system | 130 | 3600 |
| Aluminum / leads scrap melting furnace | 160 | 3600 |
Paramenters of filter bags in below:
|
Fiber Composition
|
Polyester
|
Polyester (PET)
with PTFE membrane |
PTFE
|
|
PPS
|
Nomex
|
|
Weight (g/m2)
|
500
|
500
|
750-800
|
500
|
500-550
|
450-600
|
|
Thickness (mm)
|
1.7-2.0
|
1.7-2.0
|
1.2-1.6
|
2.1
|
1.8-2.0
|
1.9-2.4
|
|
Running Temperature (°C)
|
130
|
130
|
240
|
180
|
160
|
200
|
|
Peak Temperature (°C)
|
150
|
150
|
260
|
260
|
190
|
240
|
|
Air Permeability
(M3/M2.S. 200Pa) |
8-12
|
8-12
|
5-8
|
14
|
15
|
8-12
|
|
Mechanical Finish
|
Singeing,
calendaring, heat-set |
Singeing,
calendaring |
Heat-set and Singed
one side |
Singeing
|
Singring
coating
Heat-set
|
Singeing
|
|
Chemical Finish
|
membrane
|
PTFE/Teflon
coated
anti-static
Water and oil
repellent |
PTFE impregnated
peritoneal |
|
|
PTFE coating, membrane |
|
Warp Of Stretch Strength
|
800
|
1000
|
600
|
900
|
900
|
900
|
|
Welf Of Stretch Strength
|
1200
|
1300
|
800
|
1200
|
1200
|
1200
|
|
Resistance to Acid
|
Medial
|
Fair
|
Excellent
|
Excellen
|
Excellent
|
Fair
|
|
Resistance to Oxidation
|
Excellent
|
Good
|
Excellent
|
Excellent
|
Poor
|
Fair
|
|
Resistance to Alkali
|
Medial
|
Poor
|
Excellent
|
Excellent
|
Excellent
|
Good
|
|
Resistance to Hydrolysis
|
Medial
|
Poor
|
Excellent
|
Excellent
|
Excellent
|
Fair
|
|
Application
|
1) The fume and smoke treatment and particle removing system in metallurgy plant 3) Asphalt concrete mixture, cements, chemical,ceramics, building materials
4) Dust treatment, purification and collection in electronics, mining, flour
and timber processing |
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|
Size
|
Φ4'' ; 5'' ; 5.25'' 6'' ; 6.62'' Length: 18'' up to 192'' |
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|
Filter Bag Top Construction
|
1) Side Load: raw edge top (3” longer than split collar cage length) 2) Top Load: snap band/ring ; double beaded |
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|
Bottom Construction
|
1) Single-ply felted disc bottom
2) 3” bottom; double-ply wearguard
3) 5” wear cuff with 2” overhang below bag disc bottomBottom
Construction |
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