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Патент USA US2122511

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July 5, 1938.
I I
H.YH. BUBAR
" 2,122,511
DUST COLLECTING ‘APPARATUS
Filed June 8, 1937
_
' A440,,“ [33:
Patented July 5, 1938
.
UNI-TED STATES
2,122,511
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PATENT. OFFICE
2,1za511
'nus'r ooruzc'rmo APPARATUS
. Hudson H. Bubar, New York, N. Y.
Application June a, 1937, Serial No. 147,073
10 Claims.
'My present invention relates to the art of dust
collecting and has particular reference to the con
struction and operation of dust collecting ap
paratus.
6 .
The principal object of my invention is to pro
vide ah e?icient dust collector capable of col—
lecting both heavy and ?ne dust. It is a further
object of my invention to provide a dust collector
which has a very low draft loss, and which may
10 therefore‘ be used with minimum fan power re
quirements or with natural draft equipment.
It is an additional object of my invention to
provide a rust collector which. is not subject to
abrasion of the collector elements, and which has
15 no moving parts.
_
Another object of my invention is to provide a
relatively light weight dust collector which oc
cupies a small amount of space, whereby the dust
collecting apparatus may be readily installed in
20 cramped quarters‘ such as are ordinarily available
in city power plants.
With the above and» other objects and advan
tageous features in view, my invention consists of
a novel apparatus more fully disclosed in the de
25 tailed description following, in conjunction with
the accompanying drawing, and more speci?cal
ly‘de?ned in the claims appended thereto.
.30
mit removal of collected dust. Vertical parti
tions 22 depending from the plate l9 are provided
to divide the dust receiving chamber into a plu
rality of separate chambers, these partitions be
ing perforated as indicated in Fig. 2 to break , 3
up the gas streams. As will be noted from Figs.
1 and 3, the plates I! are spaced to receive the
lower ends of the bottom collectors I‘ there
through, and openings 23 are provided between
said collectors, whereby gas passing through the -10
collectors with the entrained dust may escape up
wardly to join the air exiting through the out
lets IU.
'
Referring now to Fig. 1, the de?ectors l5 are
preferably formed of angle bars which are dis- 15
placed laterally and vertically so as to form V
shaped guide passages for the gas, and to con
verge into‘ the upper portion l6 of the dust col
lectors, the gas being free to ?ow between the
de?ector units, but being constrained to follow .20
a tortuous path as indicated by the arrows where
by the dust particles in the gas will separate
by gravity and by de?ection and enter into the
collectors I4. Dust laden gas which enters into
the inlet I3 'is thus divided in a plurality of 25
separate streams, each stream passing serially
through the sets of de?ectors IS, the puri?ed gas
In the drawing:
'
entering into the lower chamber below the par
Fig. 1 is a vertical central section of the novel - titions H and exiting through the openings ll:
dust collector;
.
I,
any gas which passes downwardly through the ‘30
Fig. 2 is a section on the line 2-2 thereof, parts collectors H with the entrained dust ?ows into
being broken away, and
the dust receiver 20 and has its velocity broken
Fig. 3 is a section on the line 3-4 of Fig. 1;
by the perforations in the partitions 22, the gas
Referring to the drawing, the novel dust col
then rising upwardly through the openings 23
35 lecting apparatus comprises a vertical housing
to rejoin the main puri?ed gas which has passed 35
Ill, preferably of rectangular form, and divided
through the separate ?ow passageways.
by vertical spaced partitions ll into a plurality of
separate _?ow chambers l2 communicating at
It is thus evident that the novel dust collecting
apparatus consists of an upright housing which
receives dust laden gas, divides the dust laden
gas into a plurality of separate streams, cleans 40
their upper ends with a common inlet chamber
40 I3. Each ?ow chamber has a plurality of funnel
shaped collectors l4, each collector being posi
tion at the apex of a de?ector unit consisting of
'
each separate stream serially by gravity and by
de?ection, and permits the cleaned gas to exit at
a plurality of spaced de?ectors l5 arranged in' the lower portion of the apparatus. Although
‘downwardly pointing V shape, each collector I4 speci?c angle bars of generally V shape have been
45 having an enlarged upper portion l6 and a nar
disclosed, it is obvious that any type of de?ector 45
' row lower vportion I‘! which seats within the up
plate maybe used, for guiding the gas ?ow be
, per portion I6 of the collector positioned'there
tween adjacent plates upwardly and then down
under. The partitions H, see Fig. 1, terminate wardly so as to produce de?ector separation by
just above the last row of collectors and suitable sharp turning of the gas currents, aided by gravi;
.50 openings l8 are provided in the sides of the hous
ty separation. The device is easily manufactured, 50
ing .to permit free outlet of cleaned gases.‘ Angle uses a small number of readily assembled parts,
plates i9~are provided at the lower end of the interposes very little draft load, and is of rela
housing I0, and form the top of a dust receiver tively light weight. Moreover, the collector ap
20, preferably of inverted pyramid form, which paratus may be made of any size and may be
J55 ‘has an operable trap door 2| at its apex to per
readily changed to meet additional loads, as the 55
*
2
2,122,511
addition of one or more collectors is a relatively
simple procedure.
de?ector elements arranged in V-shape and col
lector iunnel‘means at the apex of each de?ector
unit, the last collector funnel means extending
through said outlet chamber and into said dust
receiving chamber, said dust receiving chamber
having a vent communicating with said outlet
The above described apparatus has been found
to have a high collection efficiency; for example,
this type of apparatus has obtained 80% to 85%
recovery ofv all ash entering the apparatus and
resulting from the combustion of pulverized fuel ’ chamber to permit gas entering through said fun
or other extremely light and ?ne dust.
While I have described a speci?c construction
al embodiment of my invention, it is obvious that
changes in the number and relative amount of the
parts and in the type of de?ectors and of funnel
collectors used, may be made to suit the require
ments for different dust collecting operations,
without departing from the spirit and the scope
of the invention as de?ned in the appended
claims.
I claim:
1. A housing having a dust receiving chamber
" .anda de?ector unit, the top of said de?ector unit
being spaced from the top of said housing to pro
vide an inlet chamber communicating with an
nel means to return to said outlet chamber.
5. A housing having a dust receiving chamber
and partitions dividing said housing into parallel 10
?ew chambers each having a de?ector unit, said
partitions being spaced from the tc-p of said hous
ing to provide an inlet chamber communicating
with an inlet in the top- of said housing and
said partitions being spaced from said dust re
ceiving chamber to provide an outlet chamber
communicatingwith an outlet in the side of said
housing, each oi’ said de?ector units comprising
a spaced series of de?ector elements arranged inv
v~shape and collector tunnel means at the apex 20
of said de?ector unit,’ said collector funnel means
extending through said outlet chamber and into
said dust receiving chamber.
6. A housing having a dust receiving chamber
inlet in the top of said housing and the bottom
of said de?ector unit being spaced from said
dust receiving chamber ta provide an outlet
chamber communicating with an outlet in the
side of said housing, said de?ector unit compris
ing a spaced series cf de?ector elements arranged
in V-shape and collector funnel means at the
apex of said de?ector unit, said collector funnel
partitions being spaced from the top of said hous
ing to provide an inlet chamber communicating
with an inlet in the top of said housing and said
partitions being spaced from said dust receiving 30
means extending through said outlet chamber
chamber to provide an outlet chamber communi
and partitions dividing said housing into parallel
?ow chambers each having a de?ector unit, said
and into said dust receiving chamber.
cating with an outlet in the side of said housing,
2. A housing having a dust receiving chamber
and a de?ector unit, the top of said de?ector
unit being spaced from the top of said housing
to provide an inlet chamber communicating with
an inlet in the top cf said housing and the bottom
of said de?ector unit being spaced from said dust
receiving chamber to provide an outlet chamber
each of said de?ector units comprising a spaced
series of de?ector elements arranged in V-shape
'40 communicating with an outlet in the side cf said
and collector funnel means at the apex of said
de?ector unit, said collector funnel means extend
ing thrcugh said outlet chamber and into said
dust receiving chamber, said dust receiving cham
ber having a vent communicating with said out
let chamber to permit gas entering through said
hcusing, said, de?ector unit comprising a spaced
series of de?ector elements arranged in V-shape
and collector funnel means at the apex of said
funnel means to return to said outlet chamber.
de?ector unit, said collector funnel means ex—
45 tending through said outlet chamber and into
?ow chambers each having a plurality of de?ector
said dust receiving chamber, said dust receiving
chamber having a vent communicating with said
outlet chamber to permit gas entering through
said funnel means to return to said outlet cham
ier.
»
3. A housing having a dust receiving chamber
and a plurality of de?ector units, said de?ector
units being spaced from the top of said housing
to provide an inlet chamber communicating with
an inlet in the tsp of said housing and said de
?ector units being spaced from said dust receiv
ing chamber to provide an outlet chamber com
municating with an outlet in the side of said
housing, said de?ector units being arranged in
series and each comprising a spaced series of de
?ector elements arranged in V=shape and col
lector funnel means at the apex of each de?ector
unit, the last collector funnel means extending
through said outlet chamber and into said dust
receiving chamber.
4. A housing having a dust receiving chamber
7. A housing having a dust receiving chamber
and partitions dividing said housing into parallel
units arranged in series, said partitions being
spaced from the top of said housing to provide
an inlet chamber communicating with an inlet
in the top of said housing and said partitions‘ be=
ing spaced from said dust receiving chamber to
provide an outlet chamber communicating with 50
an outlet in the side of said housing, each'oi said
de?ector units comprising a spaced series of de—
?ector elements arranged in V-shape and col
lector funnel means at the apex of each de?ecter
unit, the last collector funnel means extending
through said outlet chamber and into said dust
receiving chamber.
-
8. A housing having a dust receiving chamber
and partitions dividing said housing into par
allel ?ow chambers each having a plurality of
de?ector units arranged in series, said partitions
being spaced from the top of said housing to
provide an inlet chamber communicating with an
inlet in the top of said housing and said partiticns
being spaced from said dust receiving chamber to 65
provide an outlet chamber communicating with
an outlet in the side of said hcusing, each of said
de?ector units comprising a spaced series of
de?ector elements arranged in V-shape and col
and a plurality of de?ector units, said de?ector
units being spaced from the top of said housing
to provide an iniet chamber communicating with
an inlet in the top of said housing and said de
?ector units being spaced from said dust receiv
lector ,funnel means at the apex of each de?ector 70
ing chamber to provide an outlet chamber com
municating with an outlet in the side of said
unit, the last collector funnel means extending
through said outlet chamber and into said dust
housing, said de?ector units being arranged in
receiving chamber, said dust receiving chamber
having a vent communicating with said outlet 75
_ series and each comprising a spaced series of
3
2,122,511
chamber to permit gas entering through said
funnel means to return to said outlet chamber.
9. A housing having a dust receiving chamber
and partitions dividing said housing into par
allel ?ow chambers each having a de?ector unit;
said partitions being spaced from the top 01' said
housing to provide an inlet chamber communi
cating with an inlet in the top of said housing
and said partitions being spaced from said dust
10 receiving chamber to provide an outlet chamber
communicating with an outlet in the side of said
housing, each of said de?ector units comprising
a spaced series of de?ector elements arranged
in V-shape and collector funnel means at the
15 apex of said de?ector unit, said collector funnel
means extending through said outlet chamber
and into said dust receiving chamber, said dust
receiving chamber having partitions dividing the
dust receiving chamber into parallel collecting
chambers aligned with the parallel ?ow chambers.
10. A housing having a dust receiving chamber
and partitions dividing said housing into par
allel ?ow chambers each having a plurality of
de?ector units arranged in series, said partitions
being spaced from the top of said housing to
provide an inlet chamber communicating with an
inlet in the top of said housing and said par
titions being spaced from said dust receiving
chamber to provide an outlet chamber communi 10
cating with an outlet in the side of said housing,
each of said de?ector units comprising a spaced
series of de?ector elements arranged in V-shape
and collector tunnel means at the apex of each
de?ector unit, the last collector funnel means
extending through said outlet chamber and into
said dust receiving chamber.
HUDSON H. BUBAR.
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