Vertically sectioned dust collector

Claim 2

Apparatus for separating particulate matter from a gaseous carrier comprising: a plurality of discrete filter chambers disposed in adjacent vertical superposed relation, each defined in part by gas impervious and vertically disposed perimetric housing means and transversely disposed and vertically spaced tube sheet means perimetrically connected thereto. vertically oriented conduit means of substantially uniform cross-sectional configuration traversing the vertical extent of said superposed filter chambers and constituted at least in part by permeable filter medium disposed within each of said filter chambers, said conduit means interconnecting said filter chambers through said tube sheet means and forming a portion of the defining walls thereof, each discrete filter chamber having an outlet for the removal of filtered gaseous carrier therefrom, and inlet means for introducing said gaseous carrier bearing said particulate matter into one terminal end of said vertically oriented conduit means, whereby said gaseous carrier and particulate matter are directed towards said permeable filter medium and said gaseous carrier passes therethrough and the particulate matter is retained therein.

Claim 3

Apparatus as set forth in claim 1 wherein said conduit means constitutes at least one uninterrupted passage having a lineally continuous longitudinal axis.

Claim 4

Apparatus as set forth in claim 1 wherein said conduit means comprises a plurality of elongate tubes of permeable filter medium.

Claim 5

Apparatus as set forth in claim 1 including: means for introducing gaseous carrier and particulate matter entrained therein into the upper end of said conduit means and a particulate material-receiving hopper disposed beneath the lower end of said conduit means.

Claim 6

Apparatus as set forth in claim 1 including: means for introducing gaseous carrier and particulate matter entrained therein into the lower end of said conduit means, and a particulate material-receiving hopper disposed beneath the lower end of said conduit means.

Claim 7

Apparatus at set forth in claim 1 including: means for subjecting the permeable filter medium forming a portion of the defining walls of each said discrete filter chamber to a selective cleaning operation to restore the permeability thereof.

Claim 8

Apparatus for separating particulate matter from a gaseous carrier comprising a plurality of discrete filter chambers disposed in adjacent vertical superposed relation, each defined in part by gas impervious and vertically disposed perimetric housing means and transversely disposed and vertically spaced tube sheet means perimetrically connected thereto, each of said chambers including internally disposed gaseous carrier inlet means formed at least in part of permeable filter medium and a discrete gaseous carrier outlet in each of the perimetric housing means for removal of filtered gas therefrom, and vertically oriented conduit means for substantially uniform cross-sectional configuration traversing the vertical extent of said superposed filter chambers and interconnecting said chambers through said tube sheet means and formed at least in part by said permeable filter medium disposed within each of said chambers, and inlet means for introducing said gaseous carrier bearing said particulate matter into one terminal end of said vertically oriented conduit means, whereby said gaseous carrier and particulate matter are directed towards said permeable filter medium and said gaseous carrier passes therethrough and the particulate matter is retained therein.

Claim 9

Apparatus for separating particulate matter from a gaseous carrier comprising a plurality of discrete filter chambers disposed in adjacent vertical superposed relation, each defined in part by gas impervious and vertically disposed perimetric housing means and transversely disposed and vertically spaced tube sheet means perimetrically connected thereto, each of said chambers including internally disposed gaseous carrier inlet means formed at least in part of permeable filter medium and a discrete gaseous carrier outlet in each of the perimetric housing means for removal of filtered gas therefrom, and vertically oriented conduit means for substantially uniform cross-sectional configuration traversing the vertical extent of said superposed filter chambers and interconnecting said chambers through said tube sheet means and formed at least in part by said permeable filter medium disposed within each of said chambers, and inlet means for introducing said gaseous carrier bearing said particulate matter into one terminal end of said vertically oriented conduit means, whereby said gaseous carrier and particulate matter are directed towards said permeable filter medium and said gaseous carrier passes therethrough and the particulate matter is retained therein.

Claim 10

Apparatus as set forth in claim 7 wherein said vertically oriented conduit means comprises interconnected length of filter medium.

Claim 11

Apparatus as set forth in claim 7 including: means for selectively introducing backwashing gas to each of said filter chambers, and damper means for selectively halting normal filter flow through each of said filter chambers and introducing each of said filter chambers and countercurrent to normal filter flow therethrough to effect a reverse flow of said backwashing gas through the permeable filter medium associated with each of said chambers.

Claim 12

Apparatus as set forth in claim 7 including: means associated with the gaseous carrier outlets for each of said filter chambers for directing a momentarily emitted jet of high energy gas over the entire cross-sectional area thereof to stop and reverse the normal flow of gaseous carrier therethrough.

Claim 13

Apparatus as set forth in claim 7 wherein said vertically oriented conduit means comprises interconnected lengths of tubular filter medium disposed intermediate and terminally secured in encircling relation to apertures in vertically spaced gas impervious tube sheet means forming, at least in part, the defining walls of each of said filter chambers.

Claim 14

Apparatus as set forth in claim 11 including: means for introducing gaseous carrier and particulate matter entrained therein into the upper end of said conduit means, and a particulate material-receiving hopper disposed beneath the lower end of said conduit means.

Claim 15

Apparatus as set forth in in claim 11 including: means for introducing gaseous carrier and particulate matter entrained therein into the lower end of said conduit means, and a particulate material-receiving hopper disposed beneath the lower end of said conduit means.

Claim 16

Apparatus as set forth in claim 7 including: means for subjecting the permeable filter medium associated with each said filter chamber to a selective cleaning operation to restore the permeability thereof.

Claim 17

Apparatus as set forth in claim 14 including: means for sequentially operating said last mentioned means in a predetermined succession in which, at least in part, the filter media associated with the uppermost filter chamber is a stack thereof is cleaned prior to the filter media associated with the lowermost chamber in said stack.

Claim 18

Apparatus for separating particulate matter from a gaseous carrier comprising: a plurality of discrete filter chambers disposed in abutting vertical superposed relation, each of said filter chambers defined, at least in part, by gas impervious vertically disposed perimetric housing means and transversely disposed multiapertured tube sheet means disposed in predetermined vertical spaced relation and perimetrically connected thereto, vertically oriented conduit means traversing the vertical extent of said superposed filter chambers and compositely formed of a plurality of length of tubular permeable filter medium disposed intermediate and terminally secured in operative encircling relation to longitudinally coaxially aligned apertures in said tube sheet means for conveying gaseous carrier-borne particulate matter to said filter chambers and comprising gaseous carrier inlet means therefor, each of said discrete filter chambers having an outlet in the perimetric, housing means thereof for removal of filtered gaseous carrier therefrom, means for introducing gaseous carrier and particulate matter entrained therein into the upper end of said conduit means, a particulate material-receiving hopper disposed beneath the lower ends of said conduit means to receive particulate matter separated from said gaseous carrier and directionally displaced down said conduit means, and means for independently subjecting the filter medium associated with each of said filter chambers to a cleaning operation to effect selective dislodgment of accumulated particulate matter therefrom.

Claim 19

Apparatus for separating particulate matter from a gaseous carrier comprising: a plurality of discrete filter chambers disposed in abutting vertical superposed relation, each of said filter chambers defined, at least in part, by gas impervious vertically disposed perimetric housing means and transversely disposed multiapertured tube sheet means disposed in predetermined vertical spaced relation and perimetrically connected thereto, vertically oriented conduit means traversing the vertical extent of said superposed filter chambers and compositely formed of a plurality of length of tubular permeable filter medium disposed intermediate and terminally secured in operative encircling relation to longitudinally coaxially aligned apertures in said tube sheet means for conveying gaseous carrier-borne particulate matter to said filter chambers and comprising gaseous carrier inlet means therefor, each of said discrete filter chambers having an outlet in the perimetric, housing means thereof for removal of filtered gaseous carrier therefrom, means for introducing gaseous carrier and particulate matter entrained therein into the upper end of said conduit means, a particulate material-receiving hopper disposed beneath the lower ends of said conduit means to receive particulate matter separated from said gaseous carrier and directionally displaced down said conduit means, and means for independently subjecting the filter medium associated with each of said filter chambers to a cleaning operation to effect selective dislodgment of accumulated particulate matter therefrom.

Claim 20

Apparatus as set forth in claim 16 including means for operating said last mentioned means in preselected and predetermined sequence that is at least in part directionally concurrent to the flow of gaseous carrier through said conduit means.