Industrial Dust Collector Filter Bag and Filtration Sleeve
Dust collector filter bags are the industrial filter sleeve or filter socks which are to fit cages in bag house. Dust collector filter bags are also called filter replacement or fabric filters for bag filter.
1.Specifications:
1.1.Dust Filter Bags Types:
According to materials dust collector filter bags are classified into polyester filter bag, polypropylene filter bag, homopolymer acrylic filter bag, nomex(aramid) filter bag, pps filter bag, p84 filter sleeve, ptfe filter bag and fiberglass filter bags.
According to temperature resistance dust filter sleeve is classified into normal temperature filter bag, middle temperature filter bag and high temperature resistant filter bags.
According to dust cleaning method the bags are classified into shaker filter sleeve, reversed air filter bags and pulse jet filter bags.
According to bag shapes the dust filter bags are classified into round filter bag, envelope filter sleeve, multi-pocket filter bags and pleated filter bags.
According to application the dust collector filter bags are mainly classified into cement mill filter bag, steel plant filter bag, asphalt plant filter bag, coal boiler filter bag, power plant filter bag and filter bags used in other industries.
1.2.Dust Filter Bags Materials:
Needle punched filter felt: polyester, polypropylene, acrylic, nomex(aramid), pps, p84, fiberglass and ptfe(teflone) felt.
Woven filter cloth: polyester and fiberglass
Filter bag materials characters chart:
| Material | working tem( ℃） | Acid resistance | Alkali resistance | Oxidation Resistance | Hydrolysis Resistance | Welded available | remark | |
| continuous | max surge | |||||||
| PE (PET) | 130 | 150 | normal | normal | good | normal | yes | |
| PP | 90 | 110 | good | good | good | good | yes | |
| Acrylic | 140 | 160 | good | good | good | good | yes | |
| PPS | 190 | 210 | good | good | bad | good | no | if O2 content is more than 15%, pps will be oxidated. |
| Aramid (Nomex) | 203 | 240 | normal | normal | good | normal | no | |
| P84 | 260 | 300 | normal | normal | good | normal | no | |
| Fiber Glass | 260 | 300 | normal | normal | good | normal | no | not be resistant with HF. |
| PTFE | 260 | 300 | excellent | excellent | excellent | excellent | no | |
| Filter Material | Weight(g/sm) | Available Finish Treatment |
| Polyester(PE) | 350-650 | Singed, calendered, heatset, water and oil repellent, anti-static(wire line), antistatic(check), anti-static(blending conductive in gray color), ptfe membrane. |
| Polypropylene(PP) | 350-650 | |
| Acrylic(AC) | 350-650 | |
| Polyacrylic | 350-650 | |
| Aramid(Nomex) | 350-650 | Singed, calendered, heatset, water and oil repellent, anti-static(blending conductive in gray color), ptfe membrane. |
| PPS | 350-650 | |
| P84 | 350-650 | |
| Fiber Glass | 850-900 | Singed, calendered, heatset, water and oil repellent, ptfe membrane. |
| Glass Mixture | 850-900 | |
| PTFE | 850-900 | calendered, heatset,ptfe membrane. |
| Filter Material | Weight(g/sm) | Available Finish Treatment |
| Fiber Glass | 340 | acid resistant |
| 450 | three treatment(silicon, graphit and ptfe dipping), ptfe membrane. | |
| 480 | acid resistant | |
| 550 | three treatment(silicon, graphit and ptfe dipping), ptfe membrane. | |
| 560 | ||
| 590 | ptfe coating and ptfe membrane. | |
| 750-800 | acid resistant, ptfe membrane. | |
| Polyester(PE) | 300 | basic |
1.3.Dust Filter Bags sizes:
Diameter: normally 4.375”(111.125mm), 4.5”(114.3mm), 4.625”(117.475mm), 4.75”(120.65mm), 4.875”(123.825mm), 5”(127mm), 5.125”(130.175mm), 5.25”(133.35mm), 5.625”(142.875mm), 5.85”(148.59mm), 6”(152.4mm), 6.1”(154.94mm), 6.25”(158.75mm), 8.5”(215.9mm) , 300mm and others be custom made as per your requirement.
Length: normally 121” (3073.4mm), 145” (3683mm), 10000mm and others
1.4.Dust Filter Bags structure:
Bag body: stitched or welded
Felt bag top and bottom types:: beaded snap band top/bottom, raw top, hemmed top, corded/rubber O-ring top, thick gasket top, disc bottom, flat sewn bottom, bottom with reinforcement(cuff bottom) , other types can be custom made
Woven fiberglass filter bag top and bottom types: Cap top+ snap band bottom; Cap top+ anti collapse rings+ cuff bottom; other types can be custom made.
Bag shapes: standard round tube, envelope or other special shapes can be custom made as per customers’ requirements.
2.Applications:
Dust collector filter bags are widely used in dust collection housing of factories of mine, wood, cement, chemical, medicine, dying, paint, plastic, food and other industry, such as coal fired power stations, steel power station, cement industry, paper industry and other industrial segments.
More information about filter bags applications...
3.How to select correct materials for dust collector filter bags?
What is best filter material? It depends on your working condition.
Following factors shall be considered when you select filter bag materials:
Applications: Waste Incinerator, Coal-Grate Type, Cement/Lime, Coal-Dust fired Boiler, metalurgical Process, Coal-Fluidized Bed Combustion, Dryer/Calciner, Product Collection or others?
Fuel types: Coal, Waster, Oil, Bio fuel, Gas or other?
Operation conditions: dust cleaning mode, such as shaker, reverse air or air reversed? Or Shaker and Reverse air, or other?
Neutralization-Process: dry, semi-dry, or other?
Fuel gas condition: operating temperature, chemical composition
Dust condition: dust load, entry dust emission, outlet dust emission, PH value, dust particle size, dust particle shape is sharp or not, and other.
Filter bags material selection guide...
4.About INDRO-filter bag manufacturer:
With 24 years of filter bag production experiences, INDRO is one of biggest industrial filter bags manufacturer in China who makes filter rolls, filter bags and cages. We are using important machines from Europe to produce filter rolls to meet high quality filter bags requirement. For popular filter materials, we have ready filter rolls in stock. We have 11 automatic filter bag production lines to meet your urgent shipping requirement. We are mainly doing filter wholesale business.
