Patent
Bag-type filter apparatus with internal air diffuser
TLDR
In this article, a hollow diffuser tube is provided extending longitudinally within the tubular supporting cage of the filter bag with one end of the tube communicating with the outlet end of filter bag.Abstract:
The cleaning of a tubular filter bag when a periodic reverse purge of air is directed into the outlet end of the filter bag is significantly enhanced in accordance with the present invention by providing interiorly of the filter bag means for diffusing and distributing the reverse purge of air throughout the filter bag. More particularly, a hollow diffuser tube is provided extending longitudinally within the tubular supporting cage of the filter bag with one end of the diffuser tube communicating with the outlet end of the filter bag. The diffuser tube has perforations therein located for diffusing and distributing air throughout the filter bag when a periodic reverse purge of air is directed into the outlet end of the filter bag and into the diffuser tube.read more
Citations
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Reverse flow air filter arrangement and method
TL;DR: In this article, a reverse flow air filter arrangement is presented, which consists of a filter element having first and second end caps, the second end cap having a central drainage aperture.
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TL;DR: In this paper, a method and apparatus for separating particulate matter from a gas stream was proposed, where dirty gas is moved first through a corona discharge zone, such as that provided by a plurality of rod-like electrodes each having a sharp-edged corona producing ribbon-like formation extending axially there along, and then is moved through a manifold of mechanical filters of the cartridge type, each comprising a perforated cylindrical, metal outer shell and an inner filter medium of foraminous dielectric material such as pleated paper.
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TL;DR: In this paper, a two-element filter bag consisting of a cylindrical outer element, a tubular inner element and a joining means, a securing means, and a diverting means is presented.
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Bag-type filter apparatus with high pressure air jet cleaning
TL;DR: In this paper, the cleaning of a tubular filter bag supported by a supporting cage positioned within the filter bag is significantly enhanced by the provision of an elongate air distributor pipe extending into one end of filter bag and longitudinally along the interior of the supporting cage and filter bag.
References
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Patent
Cleaning arrangement for bag filter
Carr George P,Hazzard Noel D +1 more
TL;DR: In this article, a cleaning arrangement for a bag filter whereby a jet of compressed air is directed from a nozzle into the bag filter and on to a novel deflector which divides the air into a portion that passes axially and a part that is deflected radially.
Patent
Gas filter cleaning apparatus
TL;DR: In this article, a system for producing a reverse blast of air to dislodge from an air-filter element contaminents that are captured on the surface of the element in response to forward flow through the element is described.