Bag Filters

Bag Filter

Bag filter systems are used to separate or collecting the fine dust in concentrations up to less than 5 mg/Nm3.Gas composition operating temperature, dust levels the air to doth ratio, the variety of fuel and the method of operation determine the quality the filter material that is utilized .Bag filter is manufactured from porous woven or felted fabrics. The  form of bag filter is as a tube ,through which gasses are passed to remove crystals or contaminants. Particles  or contaminants , bigger than the porous openings within the bag filter enable the gas to pass through, however trap the larger contaminant particles. Bag filter can be designed and produced small to quite large, some applications require bag filter up to 30 feet long by three or more feet across. Often bag filter may be enveloped with in a supportive back frame or structure. This supporting structure helps  bag filter  to maintain a shape under any functioning circumstances means normal and ext ream working condition.  Now a days  bag filters are available manufactured of different materials.

Bag Filter Material:-

The a variety of filter bag material  were prepared by a non woven pilot plant coupled with the needle punching and thermal bounding combination process. The prepared filer objects were evaluated by the reliability assessment standard for the  environmental cleaning dust collection. A new filter bag medium was thermal glued with polyester felt and  poly amide nano-sized web.The air permeability of the filter bag media with nano-sized web was largely reduced as compared with the control media. In the assessment of filtration test the filter material with nano-sized web shows more stable filtration behavior and higher collection  efficiency than the other.

Features , Advantages and Benefits:-
The general objective bag filter  is engineered with a multilayer ed  polypropylene , which provides proficient filtration at high flow rates in both low and high viscosity liquids . The bag comes in four nominal micron sizes to satisfy a wide range of filtration specifications. A plastic collar / handle lets for quick and clean filter change outs and is developed to fit into most existing bag housing . The significant amount of surface area offered by the layers of polyolefin media results in high oil holding capacities.