Cartridge Type Bag filters

In various applications of Bag filters in the industries height and/or footprint constraint is the most common issue and conventional type of bag filters cannot be accommodated easily. For such critical areas, cartridge type bag filters are the most suitable solution with less space requirement and without compromising on the guaranteed parameters. These bags are assembled in pleated type format and thus provides more filtration area than the conventional bags. They are available in different constructions i.e. difference number of pleats mainly 45 or 60, 60 with higher filtration area. They are also available in different lengths of upto 2.0 mtr.

The Cartridge Bag filters are mainly dry separation air pollution equipment for dust particles or for product recovery of useful products from air or any other gas flow of the manufacturing process. These filters vary from the lowest volume of 100 m3/hr to maximum volume depending on the process requirement.

Construction & Operation:

Cartridge Bag Filter is divided in three parts i.e. top part is called as Plenum (Clean air chamber), which is heart of the bag filter operation, middle one is called as Housing/casing (Dirty air chamber) and bottom part is called as Hopper. The plenum is separated from the housing by the bag plate/tube sheet where the cartridge filter bags. The Cartridge Bag Filter unit is a continuous self cleaning dust filter capable of removing dust particles as small as submicron size from gaseous and dust streams.

Cartridge Bag filter construction is simple and does not have any moving parts. Pulsejet cleaning mechanism with the help of compressed air results into high dust cleaning efficiency.

Dust laden air enters the cartridge Bag Filter at housing under suction or pressure. The air travels through the cartridge filters which retains the dust particles on the surface of the cartridge filters and the clean air passes through cartridge filters to the plenum leading to the outlet of Cartridge bag filter due to the suction effect created by centrifugal ID fan.

Dust collected on the outside of the Cartridge filter bags causes an increase in the pressure differential between the dirty and clean air sides of the filter. To control the pressure differential across the cartridge bag filter, a sequential timer actuates a series of normally closed pulse valves at preset intervals causing them to open. A momentary rush of high-pressure air (5-7 bar g) flows from the compressed air header to the blow tube and is expelled from the blow tube for the effective cleaning of cartridge bags.

Above cleaning cycle causes the dust particle to fall in the collection hopper. Collection hopper stores the collected dust temporarily. The dust is discharged from hopper bottom through RAL or Screw conveyor to the downstream process.</span

  • Cement
  • Steel
  • Power Plants
  • Fertilizer
  • Gypsum
  • Cupola
  • Ceramics
  • Incinerators
  • Paints
  • Pharmaceutical
  • Spray Dryers
  • Sugar
  • Asbestos
  • Powder Coating. etc


Agro - chemicals
Pharma - ceutical

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