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- K.P.A.F. - Baghouse Cages
K.P.A.F. - Baghouse Cages
Dry filtration by means of fabric filters is the base of many industrial processes and it often affects their development and evolution possibilities. As production technologies presently cannot neglect ecology and environmental hygienic needs and thane the problems of energy recovery any longer, filtration plays a more essential role in projecting and running many industrial units. In the specific field of fumes and gas-dust separation, filtration technologies became very sophisti cated due to new unit design conceptions, and to new available filter media. Nowadays most critical problems can be successfully taken up and solved on the basis of the amount of acquired experiences.
When the proper filter medium has to be selected to achieve parameters which might affect such selection. When collecting dusts by means of textile filter media, variables which should be well investigated are:
- Chemical and Physical working conditions
- Dust and Flow gas nature
- Required separation degree
- Type of collector installed
- Tailoring of the filter media
Pulse-jet style baghouses are designed to utilize fabric filter bags with internal support structures commonly referred to as cages. Cages provide a means of holding the filter bag open during the particulate colletion cycle.
Cages must be selected with the proper structure design to conform to the fabric requirements.
Cages sizes, both length and diameter, can be crucial the success or failure of the filter bag.
Where moisture or chemical conditions create an environment that is corrosive to metal, the cages can be produced from stainless steel or carbon stell with variety of available coatings. Coatings such as epoxy are commonly used for corrosive environments. Special paints or electro-processed finidhes such as electro galvanizing are also available to protect against corrosion.
Variety of sizes, 6 to 20 vertical wires, ring spacing and with a variety of cage-top designs, venturies caps or tube sheet. Additionally, they are available with a variety of coating and finished in both carbon steel and stainless steel.
