Pulse Jet Fabric Filters
The REX-vent all welded modular collectors are available in a wide range of sizes to meet your needs. The Pre-engineered collectors reduce cost and shorten delivery time. The pre-engineered collectors come in both rectangular and cylindrical arrangements with bag arrays from 16 (4x4) bags to 81 (9 x 9) bags. Bags are supplied in standard diameters of 6" or 4 5/8" with lengths of 5', 8', and 10'. The REX-vent collectors are inspected and the mechanical components are factory tested and are shipped completely assembled (except bag/cage assemblies). Modified collectors with custom designed arrays and bag lengths are also available for special applications and restrictions.
The REX-vent collector features a large side door for convenient side bag removal and a bag catching grid to prevent bags from falling into the bin. The outlet fan is shop mounted for a complete assembly.
All Rex-pulse collectors are designed to withstand 20 inches of suction/pressure and temperatures up to 500°F. Collectors can be modified to meet higher suction/pressure or higher temperature requirements.
The dust laden air enters the collector through the bottom of the housing section.
The dust is deposited on the exterior surface of the bag as the air passes through the bag and is exhausted through the open bag top by the fan mounted on the top of the collector. Since each bag is under suction the bags are supported by a wire cage to prevent collapse. Various bag materials are available depending upon the application.
Once a sufficient thickness (cake) of dust is built up, on the outside of the bag, the dust is removed by a pulse of compressed air from the top of the bag. The compressed air is pulsed through a venturi to increase the cleaning efficiency. The pulses of compressed air are controlled by a timer or optionally by a controller that cleans the bags only when the dust cake is sufficiently thick (by measuring the pressure across the collector).
The dust falls into the bin.
Efficiencies up to 99.9% are achievable.
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Pulse Jet Designs
> REX-pulse
> REX-vent
Reverse Air Designs
> REX-aire
Bin Vent Designs
> REX-vent
Cartridge Designs
> REX-aire Type CS
Cylindrical Designs
> REX-aire Type RAC
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