close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2109477

код для вставки
March 1, 1938.
2,109,477
R. M. GAY
AIR SEPARATOR
Original Fi'led Sept.- 19, 1928
2 Sheets-Sheet l
FlG.l.
23
IIS
22
IQ
2S
24
v20
IQ
‘DHUDD
FIG. l0.
awuemtioz _‘
,
-
Q
(‘If/[701M
/
RUBERT
M. GAY
-
l March 1, 1938.
‘2,109,477
R. M. GAY
AIR SEPARATOR
Original Filed Sept. 19, 1928 " 2 Shéets-Sheet 2
‘
-
anvento;
RUBERT
$3M’
alder/nu’
Ml GAY
.
Patented Mar. 1, 1938
i '
'
2,109,477
UNITED STATES PATENT OFFICE’
AIR SEPARATOR
Rubert M. Gay, Boonton Township, Morris Coun- .
ty, N. J .; Elsa Katherine Gay, executrix of said
Rubert M. Gay, deceased, assignor to Universal
Road Machinery Company, Kingston, 4N. Y., a
corporation of New York'
‘
Application September 19, 1928, Serial No.‘306,936
Renewed May 24, 1935
9 Claims.
(Cl. 209-139)
This invention relates to improvements in ma
chines for separating, grading or classifying small
particles of solid material and relates particularly
to that type of machine in which the particles‘
5 to be graded are fed into a separating chamber,
are suspended in an upwardly moving air current
and caused to rotate by fans within the chamber,
which rotation creates a centrifugal effect, cause
ing the heavier particles to be thrown out against
10 the inner wall of the chamber down which they
settle and pass from the bottom thereof through
a suitable discharge opening while the lighter
particles are carried by the circulating air up
and out of the chamber; this method of sizing
having been invented by me as disclosed in my
The object of this invention is to provide a
separator of novel, simple and ei?cient ‘construc
tion having provision for rotating the air which
"20 passes through the separating chamber in a man
ner to cause the rejection by centrifugal action
of the “tailings”, heavier, or undesirable parti
cles suspended in the circulating air current as
it passes upwardly through the separating cham
ber.
‘
'
Another object is to provide an air separator
wherein the air is caused to rotate within a sep
arating chamber and to pass through a centrif
ugal device for increasing the separating action
30 and so arranging this centrifugal device that
substantially all 'of the air will be caused to pass
therethrough; producing a more uniform result
and e?icient action.
Another object is, to so arrange a ?uid separa
35 tor that the separating action which may ordi
narily be caused by the rotation induced by the
centrifugal fan may be accentuated and increased
by an additional centrifugal effect produced by
the currents'of the ‘air passing through the fans
40 or revolving blades and‘ ‘the like so that the 'ef
fect of the fans will be augmented to further
cles in the form of a rotating distributor plate
having ?anges or upturned projections thereon
so arranged as to cause an upward. de?ection of
the particles thus securing a better distribution 5
of said particles.
~
‘
1
Other and ancillary objects of the
Will appear hereinafter.
,
‘invention
>
> In the accompanying drawings which illustrate
the invention-—
’
1o
.
Fig. 1 is a central I vertical sectional 'view
through a separator embodying my invention;
Fig. 2 is a horizontal section on the line 2--2
of
Fig.
1;
'
p
'
-
~
Fig. 3 is an enlarged sectional detailed view
15
arator, indicating a modi?ed construction;
Fig. 4 is another modi?ed form of fan blade;
Fig. 5 shows a sectional detailed vview of still
another modi?ed form of fan-blade;
20
Fig. 6 shows atop plan view and arrangement
of parts of the fan blade construction indicated
in Fig. 4;
.
‘
'
..
' Fig. 7 shows a still further modi?ed form 0
.fan blade construction in elevation;
Y
>
25
Fig. 8shows a top planview of the construc
tion and arrangement-of parts indicated in the
modi?ed‘forms of Figs. 5 and '7;
~
.
Fig. 9 is a fragmentary view showing a- frag
ment of a fan illustrating a modi?ed construc 30
tion whereby'its effectiveness may be varied;
Fig. 10 is a side elevation of the apparatus
shown in Fig. 9; and
'
Fig. 11 is a partial vertical section showing
a still further modi?ed construction of adjust
able
fan.
.
~
'
Referring now more particularly to the draw
ings,‘ the casing 5 consists of a cylindrical upper
portion and a tapered orrconical lower portion.
~Withinthe outer- casing is the jinnerr‘structure 40
consisting of the casing 6 having a tapered or
counteract the effect of the‘apparatus designed
conicaloutlet ‘I. and a second tapered or conical
to cause the ascending flow of air, producing an
increased differential effect between the two
portion 8, called the “tailings cone”. This cone
45 counteracting in?uences but with the upward in
fluence predominating.
Another object of the invention is to provide
simple means to vary the amount of rotation
imparted to the circulating air column thereby
50 changing the centrifugal effect on the particles
in suspension and varying the weight of the par
ticles rejected.
A still further object is to provide means for
introducing ?nely divided particles within a sep
55
means for distributing these ?nelydivided parti- ‘
of a fan blade which may be utilized in“ my'sep
.Patents Nos. 1,457,110 and 1,517,900.
25
'1
arator of the class above referred to and utilizing
8 terminates in the outlet passage 9 which may
be connected to any desired receptacle, bin or 45
container. The discharge of the coarser parti
cles or “tailings” occurs through'thispassagell.
The upper casing 6 encloses the separating or
classifying chamber I2, its open ‘bottom ‘providing ‘
an inlet for air and the outlet for “tailings”, and
the top opening l3 providing an outlet for air and
forthe “?nes” carried by the air.
7
,
The material to be separated or, classi?ed is fed
into the chamber l2 through a feed pipe [6
which extends centrally through the top cover l5‘ 55
‘2,109,477
2
of the outer casing 5 and through a hollow shaft
H, which also extends through the cover l5. The
hollow shaft I1 is mounted in upper and lower
(see Fig. 4) individual off-set supporting lugs 55
may carry the sections 55 by means of bolts, or
otherwise, in such a way that the section 56 may
bearings l8 and I9 respectively carried by a hol
low casting 20 which is mounted on the top
cover I5 of the casing 5. The shaft I1 is provided
be rotated thereon into a horizontal or vertical
with a bevel gear wheel 2| in mesh with a‘ similar
wheel 22 which turns in bearings 23 mounted; in
the bracket 20. The shaft 24 rigidly connected
or intermediate position. The plan view of such
an arrangement is indicated in Fig. 6 showing
that the different sections may be offset in order
to, facilitate rotation thereof.
’
The various sections may be spaced from an
angletpiece 51 in ,a manner indicated in Figs. 5, 10
7 and 8 by means of spacing sleeves 58 and bolts
25 and supported by an outer bearing 26.
The shaft l'l carries two‘ round horizontally dis '59,. Such sections‘ (50) may be either arranged
entirely on one side of the angle piece (see Fig. 7)
posed discs or plates 28 and 29 within the sepa
rating chamber rigidly connected thereto and orextending. on both sides thereof (see Fig. 5)
15 spaced the requisite distance apart, the upper . according to the type of fan construction desired. 15
plate 28 being carried by a ?ange or a collar 33 Either type could be readily used for the upper fan
and the lower plate 29 carried by the shaft l1, 31 but it is preferable to use the type indicated
spaced from the ends thereof by means of spacers having the section extending upwardly only, for
10 to gear 22 is provided with a- pulley or other driver
3| and bolts 32 secured to ?ange 33. ;The upper 7 use in connection with the fan 45. However I
do not desire to be so limited but also intend
plate 28 may be arranged in a well known man
that such construction utilizing the sections ex
ner so as to be adjustable in a vertical direction
as by threadedly securing the ?ange to which it
is fastened and looking it in place with lock nuts.
The structure described above, is the same in ‘a
25 great many respects as that indicated in my pre
vious Patents Nos. 1,457,110 and 1,517,900. The
might also be. utilized in connection with the '
fan 45.
. v
In order to maintain a more efficient distribu
general functioning of the parts just described is
substantially the same and- the present devices
operate for the same purposes but with improved
outer edge of the distributingvplate 29. This
.
~
1 Above the upper plate l4 of the inner casing 6
there is arranged the fan 31 having blades 38
comprising the arms 35 to which the sections 43
are secured, the arms 35 being bolted or otherwise
35 removably secured to a ?ange or ?anges 38 fixed
to the shaft IT. The blade sections 43 are ad
justably or removably attached thereto. It is de
sirable to have the fan 31 substantially ?ll the
space between the top l4 of easing 6 and the top
l5 of the outer casing 5.
'
Upon theupper horizontal or ba?ie plate 28
are attached blades 43 composed of sections 44
adjustably or removably attached as by bolting.
It is desirable thatthese blades 43, comprising a
45 second fan device, be located’ in the upper part
‘of the casing 6, so that substantially. all the air
which passes through the opening [3 ‘will neces
sarily pass between the blades 43 of the fan 45‘. '
The inner casing 6 is supported by means of
brackets 48 and the lower or conical portion 1
of the casing 6 is attached thereto. A circular
series of vertically arranged, spaced V-shaped
baf?es is positioned between the conical portion 1
and, the “tailings cone” 8 on which they may de
pend for support.~ This “tailings cone” 8 may be
anchored or secured in any desirable manner to
the lower portion of the outer casing 5 such as
by means shown in my' previous Patent‘ No.
1,517,900 referred to.f These baffles are more
60
tending in' both directions from the angle pieces
tion of the particles which may be fed through
the pipe IS, an upturned'?ange 6| of angular or
30 or additional features to be described...
29
25
othersection may be arranged near or at the
?ange acts to produce an upward thrust on the '30
.materialsfed onto the plate 29 thereby maintain
ing a better distribution. and a. more e?icient
action of separation of the particles.
7
Referring to’Figs. 9 and 10 there is shown-a
fan construction whereby the effectiveness of the
fan may be varied by changing the blades. The
changing of the blades to vary the effectiveness
may be accomplished by changing the number
of blades, by varying the length or width of the
blades. Referring to Fig. 9.it will be seen that
40
the ?ange 39' which is ?xed upon thev shaft I‘I'
has a series of holes so that blades may be bolted ’
to it in the desired numbers for instance, there
may be 4, 6, 8, 12 or 24 vanes or blades, there
being 24 pairs of holes (one pair for each vane) 45
and the ‘number may be reduced by simply un
bolting the blades and removing them until the
desired vanes remain. The outer edges of these
vanes are shown as broken away in the Figures
9 and 10.
50
In Fig. 11 is shown a construction of fan where
in the plate or arm ,28' which is bolted to or
otherwise removably secured to the shaft 11' as
shown, has secured to it an upright 10 to which
may be bolted the fan sections *‘Il movable in and :55
out, toward and away from the shaft and secured
in any desired‘ position by the reason of a series of
holes in each section which‘ respectively come
into registry with a hole in the upright 10 in the
clearly shown in Fig. 2 andconsi'st'of Vishaped different positions of adjustment so that the ‘sec- ' 60
elements’ 50'with their vertices all in one direc tion may be bolted in this position to the upright,
7 tion and arranged in a circular path, pointing in
a direction opposite to that in which it is desired
and so'fsecured in the position; As illustrated in
the ?gure, one of the fan sections (the uppermost)‘
to rotate the fans‘above referred to. The ar
is secured at a position inward of the other sec
tions which‘ are extended outward to their limit,
the fan 45 together with the baille £28. are also
“clearly shown'in this ?gure.
The blades comprising ‘the fan element may
and it will be apparent that any and all of these
sections may be adjusted at positions varying
rangements and spacings of the various blades of
,be constructed in any desired manner but the
_most_ preferable construction, both for ease'in
manufacture and e?iciency'in operation and ad
justment, are shown in Figs. 3 to 10 inclusive.
Thus,,in Fig. 3, a blade is shown having the sec
tions 52 directly secured to an angle iron 53,
, T275 constituting‘ the arm,~by means of bolts 54. Or
‘from theshaft as may be desired to cause the de
sired operation. It will be observed that the ad
justment of the sections. inwardly and outwardly‘ 70
permits the diameter of the fan to be decreased
or increased so that the diameter of? the fan may
be extended outwardly, beyond the edges of the
opening l3 in the plate I4, or the diameter of p,
the fan’ may be lessened so that its outer ex-'
3
2,109,477
tremity is within the edge of the hole. [3, or the
The sinuous passages through the ba?les
sections may be variously adjusted so that some
change the direction of the air currents passing ,
will extend outside the edge of the hole while
therethrough thereby causing most of the ?nes
still suspended in the air to fall out of the air
others are within that edge.
,
Manholes or handholes may be provided in the
various casings 5 and 8 in the usual manner to
provide access to the inner parts for purposes of
adjustment, removal and variation of position of
current.
-
-
I
It is apparent that the classifying zone I2 com;
prising the space above the distributor plate BI
l5 for purposes of adjustment of fans 31‘ and 45
and below the top plate [4 of the separating cham-'
ber outside of the path of the fan blades 44 allows
the particles to segregate in the rotated air cur
rent and the ba?le 28 will cause all of the upwardly
or through the side 5 of the outer casing as well as
‘rising air to pass between it and the casing vii ad- .
through the casing 6 closely adjacent thereto, in
J'acent the outer periphery of the fan 45 in such
a way that substantially all of vthis air will
necessarily pass between the blades of the-fan.
15
the sections on the blades of the fans. These
manholes could well be located in the upper plate
order to more readily adjust and vary the num
15 ber of sections on the fan 45. However these ad
justments might readily be made prior to as
sembling of the apparatus at the factory and ar
ranged in a predetermined manner for accom
plishing most successfully the work for which the
20 type of separator speci?ed is desired to be ac
complished.
In operation, the materials to be separated are
fed through the feed pipe It‘, the rotating ele
ment having been set in motion by a suitable
25 driving means connected to the pulley 25. The
rotation of the fan .31 causes a draft of air‘ out
wardly through the path described by this fan,
sucking the air inwardly through the ba?ie 5H3
upwardly through the separating chamber and
30 classifying zone l2 from the lower portion of this
chamber through the opening 13, and then down
wardly between the casings 5 and 6 in a substan
tially complete circuit. The rotation of the fan
45 causes a counteracting in?uence and produces
35 a centrifugal action which is opposing and dif
ferential to that produced by the fan 31, said
centrifugal action causing a separating of the
heavier particles from the lighter suspended in
the air within and surrounding the path de
scribed by this fan. The rotation of the lower
plate 29 causes an outward force to be applied
upon the material introduced thereon by the pipe
I6, forcibly throwing it outwardly, striking the
upward projection 6| in such ‘a way as to toss
45 the materials into the air giving them a con
siderable upward thrust. This upward thrust
causes the particles to be more uniformly dis
tributed in the rising and rotating air current
causing a more rapid segregation of the particles
50 of various sizes under the in?uence of the
centrifugal force induced by the fan 45.
The heavier particles being acted on more
strongly by centrifugal force than the lighter ones,
reach the inner wall of the separating chamber
55 6 down which they slide falling off the lower
edge of cone 1 (passing through the incoming air
current) passing down through the tailings cone
8 and out through pipe 9.
The lighter material or “?nes” remaining in
60 the upwardly moving air current passes inwardly
through the fan 45, upwardly through the open
ing l3 back through the fan 31 into the space
between casing 5 and 6 and then cleared of dust
and reenters.
Inasmuch as the ba?les 50 are arranged to tend
to throw outwardly particles striking against them
according to the rotation given these particles
The passage of the air in a substantially hori
zontal direction thereby improving the classifying
effect, inasmuch as the particles in suspension will
receive an’ intensi?ed'centrifugal action within
the fan path causing a further classi?cation and 20
the remaining heavier particles will be thrown
outward while the lighter particles will remain iri
the air current and are drawn out through open
ing
[3.
'
'
When it is desired that different degrees of ?ne
ness, of the particles to-be separated out, be ac
25
quired. the various sections of the fan blades 43
as well as of the fan blade 38 may be varied, ad
justed "or removed accordingly so that the dif
ferent velocities of air and different intensities of 30
rotation may be maintained in the different por
tions of the circuit through which the air cir
culates. Also the baffle plates may be varied in‘
position to vary the classifying zone above it.
This construction, together with the other
features indicated herein cooperate to provide a
completely operable, easily adjustable separator,
having a wide range of uses and not open to the
objectional features which have hereto-forebeen
present in previous types of separators. _
While the invention has been illustrated in
what are considered its best applications, it may
have other embodiments'with-out departing from
its’ spiritv and is not, therefore limited to the
structures ‘shown in the drawings.
What
I claim
is:.
I,
V ;
_
'
v
‘
.
i
1. In an air separator and in combination, a
separating chamber formed within ,a casing,
means to supply a current of ‘air through the
casing, a fan having a plurality of blades within
the chamber and means for causing substan
tially all of the said, currents of air to circulate
between the blades of the fan, said blades col -
sisting of fo-ldable sections, slightly spaced apart
circumferentially, to vary the eifect of the fan,
2. In an air separator and in combination, a
separating chamber formed within a casing,
‘means to cause a current of air through the
casing, a fan having a plurality of blades within
the chamber and means for causing substan 60
tially all of the air currents to circulate between
the blades of - the fan, said blades consisting of
sections slightly spaced apart circumferentially
and pivo-tally connected to- a rotating part of
said fan.
.
65
bottom thereof, are less likely to be drawn in
wardly through the ba?le 50 on account of this
3. In an air separator, the combination with
a separating chamber having inlet and outlet
openings, a rotatable shaft extending centrally
into the chamber, a distributor spaced from the
outlet a suitable distance to provide a sizable 70
classifying zone between, a device in said zone
having vanes each comprising a plurality of sec~
tions which may be attached or detached to vary
the size of the vanes and the air rotation in the
arrangement of parts.
separating‘ zone to increase or decrease the cen
by the rotating fan blade, a more complete sep
aration is thereby produced and the smaller parti
cles which are rotated downwardly, by the fan 45,
between the casings 5 and 6 and through the lower
portion of the casings 5 to be drawn oif at the
‘
75
4
2,109,477
trifugal effect‘ on particles of material-suspended
in'the air current; means to connect said device
and distributor plate to; the shaft; meanstoi cause
a current of air to circulate through the-cham
ber, means to feed particles of material onto
material‘ on to the‘distributor plate and means
to rotate the shaft.
,
'7. In ‘an air separator, the combination with
a separating chamber- having inlet and outlet
openings, a rotatable-shaft‘ extending centrally .
the distributor plate andjmeans to rotate the
into the chamber, a distributor plate secured
to said shaft and spaced from the outlet a suit
4. In an air separator, the combinationwith , able distance to provide a' sizeable classifying
a separating chamber having inlet and outlet zone'between, separately movable vane- sections
shaft.
‘
»
openings, a rotatable- shaft, extendingcentrally ‘ in said zone and secured to said shaft, said vane 10
into the chamber, a- distributor spaced: from- the sections being adapted to be attached or de
outlet a'suitabledistance to provide‘a sizeable
classifying zone between, a device in said zone,
plate-like members positioned'on said device and
radially displaced to different distances from
said shaft, said members being adapted to be
said vane sections and secured to said shaft, 15
attached or detached to vary’ the: air rotation
in the classifying zone to increase or decrease the
through the chamber, means to feed particles of
centrifugal effect on particles of Vmaterial-sus
means to rotate the shaft.
8. In an air separator, the combination with a
20 pended in the air current, means to connect the
device and distributor to the shaft, means to
cause a current of air to circulate through the
chamber, means to feed particles of material on
to the distributor and means to rotate the shaft.
.25
tached to vary the classifyingL effect in said zone
upon particles of material in the air current, a
baffle plate between said distributor plate and
5. In an air separator, the combination with a
separating chamber having inlet and outlet open
ings, a rotatable shaft extending centrally into
the chamber, a distributor plate secured to said
shaft and spaced from the said outlet opening a
suitable distance to provide a sizeable classifying
zone between, separately movable vane sections
in said zone secured to said. shaft and radially
displaced to different distances therefrom, a
baffle plate in said zone between said distributor
plate and said outlet opening and ‘secured to
said shaft, said vane sections being adapted to be
attached or detached to vary the classifying
effect in said zone upon particles of material in
the air current, means to cause a current of air
40 to circulate through the chamber, means tofeed
particles of material on to the distributor plate
and means to rotate the shaft.
6. In an air separator, the combination with
a separating chamber having inlet and outlet
openings, 'a'rotatable shaft extending centrally
into the chamber, a distributor plate secured to
said shaft and spaced from the said outlet open
ing a suitable distance to provide a sizeable
classifying zone between, separately movable vane
sections in said zone secured torsaid shaft and
radially displaced to different distances there
from, a baffle plate between said distributor plate
and said vane sections and secured to said shaft,
said vane sections being adapted to be attached
or detached to vary the classifying effect in said
zone upon particles of material in the air cur
means to cause a current of air to circulate
material on to the said distributor plate and
separating chamber having inlet and outlet open
ings, a rotatable shaft extending centrally into
the chamber, a distributor plate secured to said
shaft and spaced from the said outlet opening a
suitable distance tol provide a sizeable classify
ing zone between, separately ‘movable vane sec
tions in said zone secured to said shaft and
radially. displaced to different distances there
from, a baffle plate between said distributor plate
and said vane sections and secured to said shaft, 30
said baffle plate being of'a radius at least as
great as ‘the distance of- the outermost point of
said sections from the shaft center, said vane
sections being adapted to be. attached or detached
to vary the classifying effect in said zone upon;
particles of material in the air current, means
to cause a current of air to circulate through
the chamber, means to feed particles of material
on to the distributor plate and means to. rotate
the
shaft.
'
.
.
9. In an air separator, the combination witha
separating chamber having inlet and outlet open
ings, a rotatable shaft extending centrally into
40
the chamber, a vdistributor spaced from the out
let a'suitable distanceto provide a sizeable clas
sifying zone between, a. device in said zone hav
ing vanes each comprising. a plurality of sections
separately movable ‘to vary the size of the vanes
and the air rotation in the. separating zone, to
increase or decrease the centrifugal effect on
particles of material suspended in the air cur- '
rent, means to connect said device and distribu
tor plate to the shaft, means to cause a current
of air to circulate through the chamber, means
to feed particles of material on to the distributor
plate and means to rotate the shaft.
rent, means to cause a current of air to circulate
through the chamber, means to feed particles of
2.0
7 RUBER'I‘, M. GAY.
50
Документ
Категория
Без категории
Просмотров
0
Размер файла
778 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа