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Патент USA US2134445

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oct. 25,vv 1938.
A. B. HILL
2,134,445
AMALGAMATOR
Filed Jan. 3, 1938
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INVENTOR
2,134,445
Patented Oct. 25, 1938
UNITED STAT-Es PATENT OFFICE»,
2,134,445
AMALGAMATOR
vAnsel B. Hill, seattle, Wash.
Application JanuaryV 3, 193s,` serial No. 133,168
e
(Cl. 209-184)
, >The invention relates to an amalgamator and vsp’or'iding parts throughout the several views in `
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Claims.
more especially to" a gold saving `or separating
machine of the vertical type and mercury con-‘>
tained.
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`The primary object ofthe invention is the pro
vision of a machine of this character, wherein
UI
the same is used in mill concentrates and wet or
dry placer ground for the recovery of gold par
ticles through mechanical action forcing and cir
10 culating the material through the mercury, which
the` drawing. v
` Referring to the drawing in detail, A desig-` _
nates >generally a" portion of the machine con
structed ‘in accordance with the invention and Cil
involves a cylindrical body Ilì having a‘hopper
like closed bottom II while the opposite upper `
end I2'is open and this body forms a holder for
mercury, the level thereof within the said body
being indicated at I3.
latter will readily amalgamate with the particles . .
of gold and due to the specific gravities or the
difference in the weight of the mercury and gold,
the particles will precipitate into a receiver there
15 for and in this manner will be recovered.
Another object of the invention isthe provie
sion of a> machineof this character, wherein the
impeller‘having arconstant speed and the Vmate
rial having aconstantñow to the impeller holds
20 a constant mercury level and through mechanical
action gold particles can be recovered to avoid
loss thereof and `with dispatch, the> waste being
delivered from the machine automatically. Y
A further object of theinvention is the pro
25 vision of a machine of this character, wherein
`the amalgam unit can be readily'cleaned and
"under mechanical action gold particles will be
scrubbed, cleaned and polished.
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A still'further object of theinvention is the
30 provision» of a‘machine of this character, which
is simple in its construction, thoroughly reliable
and efficient in operation, mechanical in the
`working thereof and inexpensiveto manufacture
land
35
install.
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With these and other objects in view, the in
vention consists in the features of construction,
y10
Centrally arranged within the body Iû for a
-distance of the upper portion is an impeller tube
I4, vwhich has its vupper end projected above the
mercurylev‘el I3 and linto which leads a feed
chute l5; while concentrically about this tube is
a series >of.superirnposed spiral amalgam plates
I6 effecting a pluralityv of spiral feed ways Il by n
the spiral» contour thereof. Each plate I6 has its
CenterhubI-IB which is of .circular formation
concentrically about theimpeller'tube I4.
A20
Within thebody IIl below the tube I4 are series `
of alternately `arranged stationary-and revolving
‘disks I9 and 20, respectively, being alternately
arranged with relation to each other zand have
formed therein'verticallyedisposed holes 2l which 5
are tapered ¿both at the top and bottom toward"
the middle `as at ~22 and 23, respectively. The
stationary disks I9 are held at rest upon seating
t
ears 244through the medium of set screws 25,
the `ears beingintegrally formed with and pro 30
4ject from the interior surfa ce of the body Illy"
The disks I9 and20 have their circular hubs Z6
`vertically aligned with each other and in register
-with the limpeller tube. I4 while >the hubs of the
revolving disks Z0 -interi'ltand have bearing `in`A.35
Vthe hubs of the stationary disks while the upper- ‘A
`most stationary disk I9 has` created therein >a
combination and arrangement of parts as will seatfQr the lower end of the impeller tube I4.
behereinafter more fully described, illustrated in ,- YPassing through the hubs 26 of the disks I9
ïthe accompanying drawing, which discloses the > and 20 `are the spiral blades 2'! ofran impeller 40
40 preferredv embodiment» of the, invention and
splined or keyed at> 28 Áwith ‘a power shaft 29'
pointed `out in the claims hereunto appended.; '
In the accompanying drawing:
4
'Figure 1 is a verticaly sectional view through a
machine constructed in accordance with the in
carriedupwardly centrally through the tube It
and jcurnaled at 30 at its upper end outside of
the body I0, being equipped with a power pulley
'3|
in` association with a power `source
shown).
vention._`
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Figure 2 is a plan view of one of the stationary
amalgam disks or plates.
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Figure 3 isa plan view ofonegof the revolving
amalgam" disks or plates;l
(not `
The hubs 26 of the rotary disks 20 are
spoked at 32 with the impeller to rotate concur
rently therewith vwhile the hubs 26 of the‘sta
tionary disks I9 `are loose about the said impeller.
The shaftZQ at its lowerend has fixed thereto a e 50
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"Figure`4 is 'a plan viewof anragitator and sand .bladed agitator and sand slinger 33 operating”
slinger employed in the machine.
.
Figure Y»5Nis ‘a top plan‘ view of a spiral amal
` gamator unit employed in the machine.
Similar reference characters indicate corre
within the mercury chamber 34 created at the
lower hopper vend II in the body Ill, this hopper
end being in communication with a gold particle
or precious metaltubular receiver '35 equippedA>
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2,134,445
with the hand operated cut-off valves 36 and 2l',
respectively, which are spaced apart to regulate
the reception of the particles and the discharge
thereof to and from the receiver 35.
In communication with the upper open end I2
of the body Iû is a discharge chute 38 which de
livers the waste from the body IU outside of the
impeller tube Illr therein.
The upper faces of the revolving disks 29 have
10 formed thereon centripetal ridges 39 while the
under faces of these disks at the perimeters
thereof are provided with annular lips lili effective
to prevent material from being thrown past the
outside rim thereof while the centripetal ridges
15 39 overcome the centrifugal action set up~ by the
revolving disks 20.
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The plates I6 are made from copper and the
body I0 is made from cast metal.
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In the operation of the machine thematerial
20 is fed intov the impeller tube I4 and is forced
downwardly by the impeller mechanically Vro
tating and driven by the shaft 29, the'blades
2'I of said impeller being possessed of a right
hand pitch and revolve> in’a left hand direction.
25 The material is forced into the chamber 34 at
the lower hopper end II and thence through
the coaction of the disks I9 and 20 the said
material works upwardly through the holes 2|,
volving disks below said tube and having ver
tically disposed holes tapered at the top and bot
tom toward the middle thereof, means within
the body for the seating of the stationary disks
therein, circular hubs formed with the disks in
alignment with the impeller tube and interñtted
with each other, and means extended through the
said tube and having connection with the re
volving disks for imparting rotation thereto.
2. A machine of the kind described comprising
a vertically disposed cylindrical body having a
hopper-like bottom, a valved receiver opening
through the hopper-like bottom at the lower
most portion thereof, an impeller tube arranged
within the upper portion of said body, super
posed spiral amalgam plates about said _tube and
effecting a spiral way concentrically of the latter,
series of alternately arranged stationary and re
volving disks below said tube and having verti
cally disposed holes tapered at the top and bot 20
tom toward the middle thereof, means within
the body for the seating of the stationary disks'
therein, circular hubs formed with the disks in
alignment with the impeller tube and interñtted
with each other, means extended through the 25
said tube and having connection with the re
volving disks for imparting rotation thereto, and
l0 when the machine comes to a standstill. The
a >feed chute opening into the said tube at the
top of the body.
3. A machine of the kind described compris 30
ing a vertically disposed cylindrical body having
a hopper-like bottom, a valved receiver opening
through the hopper-like bottom at the lower
most portion thereof, an impeller tube arranged
within the upper portion of said body, super 35
posed spiral amalgam plates about said tube and
effecting a spiral way concentrically of the lat
ter, series of alternately arranged stationary and
revolving disks below said tube and having ver
tically disposed holes tapered at the top and 40
bottom toward the middle thereof, means with
in the body for the seating of the stationary
annular lips 49 at the under side of the rotary
disks
20 prevent the material from being thrown
45
past the outside rims of these` disks while the
ridges 39 overcome the centrifugal action caused
by the disks 29 revolving, thesedisks I9 and 20
disks therein, circular hubs formed with the
disks in alignment with the impeller tube and
interfitted with each other, means extended 45
through the said tube and having connection
with the revolving disks for imparting-rotation
in cooperation function asv an impeller in the
upward ñow of the mercury within the body I0
50
and the copper plates I61in their spiral contour
thereto, a feed chute opening into the said tube
at the top of the body, and a discharge chute
having a portion about the upper part of said
body and communicative with the latter at its 50
30 the combined agitator and sand slinger 33 act
ing to agitate and equally distribute through the
mercury within the body I0 and on its upward
course. The material rises due to its difference
in weight and the weight of the mercury while
35 the lower taper 23 of the holes in the disks I9
and 20 aids in focusing the material to and
through the holes while the taper 22 at the top
of the latter causes the material to spread out
and scatter through the mercury. This taper 22
40 at the top of the holes also allows the gold par
ticles held in the mercury while in the state of
agitation to settle to the bottom of the body
cause the material to rub and bear on the sur
faces thereof during the upward course of the
material and effect the gold particles to amalga
55 mate with the mercury and adhere to these
plates I 6. The spiral plates I6 also serve the
purpose of preventing the materialfrom carry
top.
4. A machine. of the kind described compris
ing a vertically disposed cylindrical body having
a hopper-like bottom, a valved receiver opening
,through the hopper-like` bottom at the lower 55
most portion thereof, an impeller tube arranged
ing particles of mercury with it by checking the within
the upper portion of said body, super
velocity of such material while the spiral for
posed spiral amalgam plates about said tube and
60 mation of these plates being such to cause the effecting a spiral way concentrically of the lat
60
material to move in nearly al horizontal Vdirec
ter, series of alternately arranged stationary and
tion when leaving the mercury, the waste ma
revolving disks below said tube and having ver
terials being floated upwardly and over the top tically disposed holes tapered at the top and
of the body I0 for discharge therefrom through bottom toward the middle thereof, means with
65 the chute 38.
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in the body for the seating of the stationary 65
What is claimed is:
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disks therein, circular hubs formed with the
1. A machine of the kind described'compris
disks in alignment with the impeller tube and
ing a vertically disposed cylindrical body having interñttedwith eachy other, means extended
a hopper-like bottom, a valved receiver opening through the said tube and having connection
70 through the hopper-like bottom at the lower
with the revolving disks for imparting rotation
most portion thereof, an impeller tube arranged thereto, a feed chute opening into the said tube 70
within the upper portion of said body, >super
at the top of the body, a discharge chute having
posed spiral amalgam plates about said tube and a portion about the upper part of 'said body and
effecting a spiral way concentrically of the latter, communicative with the latter at its top, and
75 series of alternately arranged stationary and re
a bladed agitator rotatably operated by said 75
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2,134,445
`means and within the hopper-like bottom for
said body.
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5. A machine of the kind described comprising
a vertically disposed cylindrical body having a
hopper-like bottom,` a valved receiver opening
through the hopper-like-bottom at the lowermost
. portion thereof, an impeller tube arranged With
in the upper portion of said body, superposed
spiral amalgam plates about said tube and effect
ing a spiral way concentrically of the latter, series
of alternately arranged stationary and revolving
‘disks below said-tube and having vertically dis'
posed holes tapered at the top and bottom toward
the middle thereof, means within the body for
the seating o-f they stationary disks therein, circu
lar hubs formed with the disks in alignment with
the impeller tube and interñtted with each other,
means extended through the said tube and hav
ing connection with thegrevolving disks for im
parting rotation thereto, a feed chute opening
into the said tube at the top of the body, a dis
charge 'chute having a portion about the >upper `
part of said body andrcommunicative with the
latter at its top, a bladed agitator rotatably op
erated by said means and within'the hopper-like
bottom for said body, and a mercurial column
within the body and having a level above the
amalgam plates.
.
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6.' A machine of the kind described comprising
30
a vertically disposed cylindrical body having a
hopper-like bottom, a valved receiver opening
through they hopper-like bottom at the lowermost
portion thereof, an impeller tube arranged with
` in the upper portion of said body, superposed
35 spiral amalgam plates about said tube and elicot
a
ing a spiral Way concentrically of the latter,
series of alternately arranged stationary `and re
volving disks below said tube and having vertically
disposed holes tapered at the top and bottom to
Ward the middle'thereof, means within the body
for the seating of the stationary disks therein,
circular hubs formed with the disks in alignment
with the impeller tubeand interñtted with each
other, means extended through the said tube and
having connection with the revolving disks for
imparting rotation thereto, a feed chute opening
into the .said tube at the top of the body, a dis
charge chute having a portion about the upper
part of said body and communicative with the
latter at its top, a bladed agitator rotatably op
erated by said means and within the hopper-like
bottom for said body, a mercurial column within
the body and having a level above the amalgam
plates, and centripetal ridges formed at the upper
faces of the revolving disks.
'7. A machine of the kind described comprising
a vertically disposed cylindrical body having a
hopper-like bottom, a Valved receiver opening Y.“
through the hopper-like bottom at the lowermost
portion thereof, an impeller tube arranged with
in the upper portion of said body, superposed
spiral amalgam plates` about said tube and ef
fecting a spiral way concentrically of the latter,
series of alternately arranged stationary and re
volving disks below said tube and having verti
cally disposed holes tapered at the top and bottom
toward the middle thereof, means within the body
for the seating of the stationary disks therein,
circular hubs formed with the disks in alignment
with the impeller tube yand interñtted with each
other, means extended through the said tube and
Yhaving connection with the revolving disks for
imparting rotation thereto, a feed chute opening ‘
into the said tube at the top of the body, a dis
charge chute having a portion about the upper
part of said body and communicative with the
latter at its top, a bladed agitator rotatably oper
ated by said means and Within the hopper-like 35
bottom for said body, a mercurial column within
the body and having a level above the amalgam
plates, centripetal ridges formed at the upper ,
faces of the revolving disks, and annular lips
depending from the under faces of said revolving
disks at theperimeters thereof.
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ANSEL B. HILL.
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