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Патент USA US2411179

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Nov. 19, 1946.
L. H. zEuN
2,411,179
DESICCATING APFARATUS
Filed April 7, 1944`
3 sheets-sheet 1
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INVENTOR
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ATTOLNEY ì
Nov. 19, 1946.
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2,411,179 n
DEsIccATING APPARATUS
Filed April 7, 1944
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Nov. 19, 1946. _
L. H. zEuN
2,411,179
DES I CCATING APPARATUS
Filed April 7, 1944
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ATTORNEY
Patented Nav. 19', 194s
2,411,179
UNITI-:D STATT-:s PATENT Aori-"lens: ’
DESICCATING APPARATUS '
Louis n. zam, Naugatuck, conn., assigner yto
Peter
Inc., Nangatuck, Conn., a corpora~
tion ofPaul,
Delaware
Application April 7, 1944, Serial N0. 529,961
5 Claims.
(Cl. 34-203) „
This invention relates to desi'ccating apparatus.
2
which superposed conveyors carry the material to be desiccated or dried. The material is fed Y
meat. This meat in its natural state or as taken
. from the shell is very moist or wet.
to the top conveyor by gravity from a hopper and
means is provided at the bottom of the hopper for
insuring a layer of material of uniform> thickness
In this
state it is not suitable for commercial use and
most of the water or moisture must be abstracted
therefrom.
Y
on the conveyor.
'
This invention has for its salient object to pro
_vide practical and Veiiicient >apparatus.` for re
moving the water or moisture from coconut ñber 10
or m'eat.
In each „unit of the apparatus agitating means
‘
thus insuring a maximum engagement ‘of the dry
ing air with the material to be dried.
In conjunction with the drying mechanism
20
ing air with the material.
,
’ Further details of the invention will _appear
from the following specification taken in con~
nection with the drawings which form a part of
this application. and in which
Fig. 1 is anelevational view of desiccatingr
apparatus constructed -in accordance with the
invention;
Fig. 2 is a _top plan view of the construction
shown
in Fig. 1;
Fig. 3 is an enlarged sectional elevation taken
substantially on line 3_3 of Fig. 1, looking in 35
the direction of the arrows;
Fig. 4 is an enlarged sectional elevation illus
trating the hopper, the receiving conveyor be
40 being broken away at the center.
As shown particularly in Fig. 8, the apparatus
comprises a hopper 20 and ñve endless conveyors
2|, 22, 23, 24 and 25. These conveyors travely
alternately in opposite directions as indicated by
45 the arrows.
The> top conveyor 2| extends beneathl the hop
Fig. 7 is a plan view of the agitator;
per 20 and the ~shredded coconut which is dis
Fig. 8 is a sectional elevation illustrating the
posed in the hopper falls by gravity on the con
arrangement of the conveyor belts and agitators;
and
veyor 2|. In order to insure a layer of uniform
Fig. 9 is a diagrammatic plan view of the ap 50 thickness and of predetermined thickness on the
tors;
paratus illustra ng particularly the drying air
circulation.
'
justably connected at 32 to the front wall 33 of
'I'he invention brieily described consists of ap
paratus comprising a plurality of units through 65 the hopper 20 (see Fig. 4). The roller 3‘0 is
driven in the manner hereinafter described in
i
2,411,179>
sprocket |00 which is connected by a chain |0|`
_to drive a sprocket ~|02 mounted on the shaft to' ’
whichis .secured roller |03 which supports and
the direction of the arrow shown in Fig. 4, or, in
a direction opposite to the direction of move
vment of the conveyor 2|. Thus the rollerv 30
-tends to turn back into the hopper the upper
drives the conveyor 24.'
portion of the shredded 'coconut or other ma
terial which extends aboye the predetermined
thickness determined by the vertical adjustment
_
~
The-sprocket 13 is connected by a> chain ||0
to drive a sprocket ||| mounted on a shaft ||2.
also secured thereto a sprocket
This shaft »has
||3 which drives a chain ||4.’ This chain,- as
_
_In each of the units there are provided agi
shown diagrammatically in Fig. 1, drives the
agitators 40, 4| and-42, the chain _||4 engaging
tators for engaging, stirring and turning -over
the material passing therethrough in order to
insure the engagement of the drying air with
iagitators and also extending around idlers H5,
_ of the plate 3| andA roller 30.
suitable sprocket wheels on the shafts of these
||5 and ||1. In this_inanner the three agitators
40, 4| and 42 'are driven in a clockwise direction,
new portions or surfaces of the material. j
In unit A there~ are shown diagrammatically
-Fig. 8, three agitators 40, 4| and 42 which'en
gage the materials on the conveyors 2|, 23 and
25. In unit B two agitators- are shown, namely,
43 and 44. These agitators engage the material
as indicated by the arrows.y Further showing of -
the sprockets on the agitator shafts and of ,the
idlersfis not deemed necessary.
The shaft ||2 has -also mounted thereon- a
- sprocket |20 which is connected by a chain |2|
‘
_ 20 to drive a sprocket |22 mounted on the shaft
|23. The shaft |23 has-also secured thereto .a
Unit E has three agitators, 50, 5| and 52,»which
sprocket wheel |24 -which drives the chain‘ |25
coact with thematerial on conveyers 2|, 23 and
whichin turn drives the agitators 43 and 44 in
25, and unit F has two agitators, 53 and 54, which
the manner shown diagrammatically in Fig. 1_.
coact with the material on conveyors 22 and 24.
7 These vagitators are rotated in an anti-clockwise
The construction of the agitators is niustrated 25
particularly in Figs. 6 and 7. In these figures
The driving mechanism for the conveyors 2|,
there is shown a central core or pipe 50 to which
23 and 25 is mounted on the unit F at the other
are secured plates which are bent to form right
angle sections 6| and 62. Each of the plates has
'end of the apparatus. This mechanism com->
equally spaced notches 53 formed therein and the 30 prises a motor lM’ which drives a variable speed
blades 64 formedby the notches are bent relative
mechanism |30, which in turn drives a shaft‘|3|.
through sprocket |32, chain |33 and f
to the axis of the pipe or tube 30 in a manner
on conveyors 22 and 24.'
direction.
'
_
_
_
sprocket |34, drives shaft |35. This shaft is _con
to turn over the material engaged thereby and to
nected by sprocket |35, chain -|31 and sprocket
throw it in thedesired direction. From refer
will be seen that the blades 54
|33 to shaft |39 on which is mounted the roller _
' ence to Fig. 'Z it
35
which supports the outer end` of the conveyor 2|.
ateach‘endl’ of the agitator are turned in a di
Shaft |35 also has a sprocket |45 which is con
rection to throw the material inwardly from the
longitudinal edges of the conveyor and material
disposed thereon. As illustrated, the four blades
nected by a chain |43 to a sprocket |41 which ‘
drives the roller - |43 which supports the far end _ '
at each end are so turned. The remaining blades ' 40 of the conveyor 23.
A sprocket |50 vis also
mounted o_n the shaft |35 and is connected by a
are turned alternately in opposite directions and
thus throw the material alternately toward the » sprocket chain `|5| to a sprocket |52 mounted ‘
on a shaft |53 which supports a roller |54 of the
right orleft. At each end of the pipe there is
shown a disk 55 which is` disposed outside of the‘
conveyor 25.
\
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_
Shaft, |3| also carries a sprocket |50 which is
45
endThe
blades".
rotation of the agitators, as 'will be seen,
connected by a chain |3| to a> sprocket '|52
mounted on aI shaft |53. _Shaft |53 also carries
effectively stirs ‘the shredded coconut or other
sprockets |54 and |55. Sprocket |54 drives 'a`
‘material disposed on the conveyors, and exposes
' new portions thereof to drying action by airchain |85 which drives suitable sprockets, not
passing through chambers in the manner herein 50 shown, on the shafts of agitators 53 and 54. This
after described. Furthermore, the spacing of the _ drive is shown diagrammatically and the chain
blades will form longitudinal grooves in the ma- _
|55 passes around idlers |51 ,and |53. The agi
~tators 53 and 54 are driven in an anti-clockwise
direction, viewing Fig. 1.
_The driving connections fory the conveyors and ' 55 Sprocket wheel |55 drives a chain |10 and a
sprocket i'ii mounted on a shaft |12. A sprocket
agitators will -now be described. As shown in
|13 is also mounted on the shaft |12 and‘drives a
Figs. l and 2, a motor M has a shaft 10 which
chain |14, which, as shown diagrammatically in
is connected by a belt'ii andpulleys 12 and ‘i3
to drive a shaft 14 of variable speed driving i' Fig. l, drives the agitators 50, 5| and 52 in the
mechanism l5. The driving mechanism l5 has oo direction of the arrows in Fig. 1,’ or, in a clock
a driven shaft 'i5 on which are mounted a'pair
wise direction. Suitable idlers are provided for
of sprocket wheels 11 and 18. Sprocket wheel `
thechain iid.'
»
From the foregoing description the driving
il is connectedby a chain 80 to drive a sprocket '
wheel 3i mounted on a shaft 32. lShaft 32 has
connections for the conveyors and agitators will
also mounted thereon a sprocket wheel 33 which 65 be clear. It will be noted that bailies or deñectors '
drives a sprocket wheel 34 mounted on the shaft
|80 and- iii are provided for receiving the ma
' of the rol1er'30. The sprocket chain which drives
teriaïl from the conveyors 22 and 24 and directing
the roller sprocket 3d also extends around an
this material onto the conveyors 23 and 25 and
terial.
.
_
_ Driving connections
idler es.
similar bes |32 and |33 receive and deflect the
drive a sprocket 32 -mounted on the/shaft 53
which has also mounted thereon a roller 94 which
lower lap ofthe conveyor „25 and removes any
material therefrom ‘which is carried around the
_
'
The shaft 32 has also .mounted thereon a 70 material from the conveyors 2| and 23 onto the
sprocket 35 which is connected by a chain 3| to
conveyors 22 and 2d. A scraper |04 engages the
drives the conveyor 22.
'
'
The shaft 32 has also mounted thereon a 75 roller |55.
2,411,17c ,
i vAir. heating and circulation mechanism
Each unit has mounted thereon mechanism
for heating and circulating the air through the
,
6
various cooperating parts may be‘made without
departing from the spirit or scope of the in
vention.
i
'
_
What I claim is:
heating chamber above the conveyors and ma
terial thereon. This mechanism is illustrated
. 1. A ymachine for deslccating moist material,>
particularly in Fig. 3. _ Each circulation unit
such as shredded coconut, andl comprising a dry
comprises a fan 200 which'is driven by a motor
ing chamber, means for circulating a drying me
20l and receives air through a conduit 202 from
dium through said chamber, a conveyor movable
the exhaust chamber 203` of the unit B. Each
through said chamber, a roller located at the
unit, as shown in Fig. 3, is divided by a partition 10 receiving end of the conveyor and rotatable in
204 into two chambers 205 and 203. The air cir
a directionopposite to the conveyor movementculated by the fan is forced through a conduit
and engageable with the material on the con
206 into a chamber 201 and thence through a
veyor for insuring a uniform layer of material
heating unit 208 through a conduit'2ll into the
thereon, means for rotating said roller, means
chamber 205. The chamber 201 has an air out
for engaging the layer of material and exposing
let conduit 209 >provided with a damper 2 I 0.
inner portions ofthe layer to the action of the
An air inlet conduit 2|5 is provided in the
drying medium, and means for rotating said
chamber 203 and is open to the atmosphere. A
last named means.
conduit 2I6 communicates with the chamber 205
but is normally closed by a valve or-cover 2H. ,
2. A machine for desiccating moist'material
Means is provided in connection with the air
heating and circulation system for automatically
such as shredded coconut comprising a drying
chamber, means for circulating a drying me
dium through said chamber, a conveyor mov
regulating the heater 208 in such a manner as
to maintain a required temperature for the air
able through said chamber,_ rotatable means
located at the receiving 'end of the ‘conveyor and
entering the chamber 205 from the chamber 201. 25 engageable with the material on the conveyor
This is accomplished by providing a thermostat
for insuring a uniform layer of shredded coconut
220 in the conduit 202 or inthe path of the air
thereon, means for rotating said second men
lexhausted or drawn out of the chamber 203 and
tioned means in a direction opposite to the di
set to maintain a uniform temperature. The
rection of movement of the conveyor, and rotat
thermostat is connected with a valve 225i which 30 ing means having transversely spaced blades for
regulates the steam entering the heater 208
engaging the layer of material forming grooves
through an inlet pipe 222. The steam outlet pipe
therein, exposing inner portions of the layer to
is shown at 223.
the action of the drying medium, and means for
Heated air from the chamber 205 enters the
rotating said last named means.
drier chamber 225 through openings 226 and air
3. A machine for desiccatlng moistA material
leaves this chamber through openings 221 which
such as shredded coconut comprising a drying
communicate with the chamber 203.
chamber, means for circulating a drying me
As illustrated in Figs. 2 and 9, the circulation
dium through said chamber a conveyor mov
of the hot air through the heating chambers of
able through said chamber, a corrugated roller
the units is alternated in successive units. >For 40 located above the receiving end of the conveyor
instance, in unit A the hot air goes through the
and engageable with the material on the con
chamber in one direction and in unit B it passes
veyory for insuring a uniform laÍyer of said ma
through in the opposite direction. 'qI‘hus the ma
teria] thereon, and means for rotating said roller
terial at the opposite longitudinal edges of the 45 in a direction opposite to the direction of move
ment of the conveyor.
conveyors receives the hot air alternately.
The damper 2l0 is manually regulated in any
4. A machine for desiccating moist- material
desired manner to control the amount of air ex
hausted through the conduit 209. Air is auto
matically replenished in the chamber 203 and the
amount of air entering the chamber 203 is de
_ comprising a drying chamber, means for circu
lating a drying medium through said chamber,
a conveyor movable through said chamber, means
located above the receiving end of the conveyor
termined> vbyv various considerations, including
and engageable with the material on the con
the adjustment of the damper 2i0. As more air
veyor for insuring a uniform layer of shredded
enters the chamber 203 through the conduit ZIE,- . coconut thereon, means for rotating said second
the temperature of the air will obviously be low
mentioned means in a direction opposite to the
ered and the thermostat 220 through the con 55 directon of movement of the conveyor rotating
nectlon 230 to the valve 22! will so control the
means for engaging the layer of material and
admission of steam through the conduit 222 as
forming grooves therein, exposing inner portions
to raise or lower the temperature of the air fed
of the layer to the action of the drying medium,
into the chamber 205 so as to uniformly dry the
said rotating means having blades at the ends
60
material.
constructed and arranged to direct the mate
From the foregoing description it will be clear
rial inwardly toward the longitudinal center oi'
that a simple and practical apparatus has been
the conveyor and away from the lateral edges
provided for desiccating material, such as shred
thereof, and means for rotating said last named
ded coconut meat, and since the thickness of the
layer of material fed through the drying cham 65
5. A machine for desiccating moist material
bers is maintained uniform and this material is
_comprising a drying chamber, means for circu
agitated in the manner described and further the
lating a drying medium through said chamber,
temperature of the hot air fed to the drying
a conveyor movable through said chamber,
chambers is regulated to conform to the drying
70 means located above the receiving end of the
requirements, a uniform product will result. conveyor and- engageable with the material on
Although one speciñc embodiment of the in
vention has been particularly shown and de
the conveyor for insuring a uniform layer of
scribed, it will be understood that the invention
shredded coconut thereon, means for rotating
is capable of modification and that changes in
said second mentioned means ina. direction op
~ the construction and in the arrangement of the
posite to the direction of movement of the con
means.
.
.
_agian _
veyor, rotating means‘-
blades for engag
lng- the layer of material and -I
t. .-.
grooves
therein„xexposing_inner portions of the layer to
the action o! the
medium, the'bladea at
thev endsv oi" saidv rotating me
'Lf-n»
` oon-_
l struct’edandf arranged -to-dix'eet Vthe'n'xxaterial in~=`
„conveyor and away from the lateral edges tííeîf
~of, the remaining blades being angled to throw
thematerial alternately inlopposite directions
and means ‘for rotating's‘aid last named means. »
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