B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 29/66 (2006.01) B01D 29/11 (2006.01) B01D 46/04 (2006.01)
Patent
CA 2465582
An apparatus and method for removing particulate frog a particulate-laden gas stream are disclosed. The apparatus and method include a reverse-flow process for cleaning filter bags with a cleaning gas stream. The process includes: flowing a particulate-laden gas stream to one side of the filter bags; stopping the particulate-laden gas stream to at least one filter bag; popping the filter fag with a reverse-flow of a cleaning gas stream to remove dust from the bag; and finally re-introducing the particulate-laden gas stream to the recently cleaned filter bag at a low velocity/flow rate to prevent small particles from blowing through the recently cleaned filter bag. The apparatus and method allow the particulate-laden gas stream and cleaning gas stream to be controlled independently.
La présente invention concerne un dispositif et méthode d'élimination des particules d'un flux de gaz chargé de particules. Le dispositif et la méthode comprennent un processus de nettoyage des sacs filtrants par contre courant. La méthode consiste à faire circuler un flux de gaz chargé de particules vers un côté des sacs filtrants, à arrêter le flux de gaz au niveau d'au moins un sac filtrant, à gonfler le sac filtrant au moyen d'un contre-courant afin d'éliminer la poussière dudit sac, et enfin, de refaire passer à travers un sac filtrant nettoyé récemment le flux de gaz chargé de particules à faible vitesse ou à un débit nominal bas afin d'empêcher les petites particules de traverser le sac filtrant nettoyé récemment. Le dispositif et la méthode permettent le contrôle indépendant du flux de gaz chargé de particule et du flux de gaz de nettoyage.
Ai Enterprises Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Dillman Equipment Inc.
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