US870643A - Amalgamator. - Google Patents

Amalgamator. Download PDF

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Publication number
US870643A
US870643A US28167705A US1905281677A US870643A US 870643 A US870643 A US 870643A US 28167705 A US28167705 A US 28167705A US 1905281677 A US1905281677 A US 1905281677A US 870643 A US870643 A US 870643A
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Prior art keywords
trough
agitator
series
compartment
partition
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US28167705A
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George E Paullins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHARLES H THEOBALD
CHARLES E BIBB
HAYWOOD L BUTLER
Original Assignee
CHARLES E BIBB
CHARLES H THEOBALD
HAYWOOD L BUTLER
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Priority to US28167705A priority Critical patent/US870643A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/10—Obtaining noble metals by amalgamating

Definitions

  • My invention is an improved apparatus for extracting gold and silver from refractory ores, a portion of these metals being converted into amalgam with mercury in the receptacle into which pulverized ore is delivered and wherein it is treated mechanically and electrically, and the fine ore separated from such metal in the free state being removed by mechanical means.
  • FIG. 1 is a side view of my improved apparatus.
  • Fig. 2 is a longitudinal vertical section of the same.
  • Fig. 3 is a vertical cross-section on the line 33 of Fig. 2.
  • Fig. 4 is a similar section on the line 44 of Fig. 2.
  • Fig. 5 is a perspective view of a portion of the copper pan forming the lining of the bottom of the receptacle in which the ore is treated.
  • A indicates a long wooden trough whose sides are extended to a considerable height. The same may be supported by legs a or any other suitable means.
  • a copper pan B see Fig. 5, covers the rounded bottom of the trough A, it being fitted closely thereto so as to constitute a lining and its upper edges being turned outward into kerfs in the sides of the trough A at points 'wherethe vertical and curved lines meet; see especially Figs. 3 and 4.
  • Within the trough is arranged a series of vertical partitions C, 0 O G The first and the third partitions are cut away at the bottom as indicated in Fig. 3, thus leaving an opening of considerable extent through which the pulp has free passage, as will be presently explained.
  • the partition C which intervenes the partitions O, C and is arranged equidistantly therefrom, does not extend to the top of the trough A and is in close contact with the bottom of the copper pan B, a small hole 0, see Figs. 2 and 3, being formed therein to permit the passageof mercury.
  • the last partition 0 is arranged in the same manner as the partition O, save that it is not provided with a passage for mercury.
  • each of the compartments thus formed is arranged an agitator, and they are indicated successively by the letters .D, D, D and D These are supported and keyed upon a longitudinal shaft E arranged centrally in the trough A and rotation is in practice imparted thereto by a belt running on a pulley e; see Fig. 2.
  • Each of the agitators is formed of radial arms d whose outer ends are connected by metal strips (F.
  • there are four series of arms d and four strips d The inner ends of the arms (1 enter sockets in hubs or collars d secured upon the shaft E and arranged in such manner that the strips cl are inclined or arranged spirally around the shaft.
  • the length of all of the arms of is the same so that the strips d are throughout their length the same distance from the pan C.
  • the object in arranging the arms and the strips d spirally is to cause the strips to force the pulp toward the partition on the right.
  • the agitator D will force the material toward the partition C, so that it passes through an opening beneath the latter into the next compartment where the agitator D acts thereon. It is apparent that the agitator D will operate in the same manner as the agitator D, and the agitator D in the same manner as the agitator D.
  • a solution of common salt is held in the trough A to a height sufficient to cover the several agitators D, etc.
  • a quantity of mercury is also deposited in the trough, in the pan C, and is thus present in all the compartments save the last, that is to say, the end compartment wherein is arranged a bucket elevator G. It is delivered from a perforated pipe F which is arranged, as shown in Figs. 2 and 3, close to one side of the trough and a short distance below the top thereof.
  • the elevator is formed of a chain, see Figs. 2 and 4, provided with buckets g and running on sprocket wheels g and the wheel g being keyed on the shaft E. side of the trough as shown.
  • the saline solution may be delivered into the trough A by means of the pipe H, see Fig. 2, which is provided witha stopcock to regulate delivery as may be required.
  • the bottom of the pan B is provided with a series of cocks b that extend through the bottom of the trough A and serve for drawing off amalgam.
  • I provide means for passing an electric current through the saline solution. in the trough.
  • wires I, I are connected with the poles of dynamos or a series of batteries, and branch wires 1' extend therefrom to plates K arranged in the trough while other branches 1' connect with the bottom of the copper pan B.
  • the agitator D nrixes the ore with the saline solution and the mercury and thus converts it into a condition and form ordi-
  • This endless conveyor is inclined from one narily known as pulp, and forces the same to the right so it passes under the partition 0 into the second compartment where it is subjected to the action of the agitator D, and, the saline solution and the ore being constantly supplied through the pipes, the pulp overflows the top of the second partition 0 into the third compartment where it is subjected to the action of the agitator D and passes under the partition C in the same manner as in the trough G, as described.
  • the agitator D acts upon it in the same manner as before described, and the pulp passes over the partition G into the last and smaller compartment, wherein is arranged the endless conveyer or elevator G.
  • the last compartment there being little agitation of the pulp, a separation occurs by gravity, the fine ore settling to the bottom where the bu kets g of the elevator take it up and convey it outa side the trough, as will be readily understood.
  • the improved apparatus for the purpose specified comprising a wooden trough having its rounded bottom lined with copper and provided with a series of transverse partitions alternate ones extending to the bottom and terminating below the top of the trough and others terminating above the bottom of the'trough and extending to the top thereof, a shaft passing through the longitudinal centerof the trough, a series of agitators keyed thereon and comprising radial arms and strips connecting their outer ends, an endless conveyer arranged in the last compartment which is adjacent to the last of the series of agitators, a perforated pipe arranged along one side of the trough for delivering mercury into the several compart ments containing the agitators, a pipe arranged for discharging a saline solution into the trough, and electriccircuit connections comprising conductors extending to a source of electric supply, one of said conductors being con nected with the copper lining of the trough and the other with plates arranged in the trough, as shown
  • the improved apparatus for the purpose specified, comprising a wooden trough having its rounded bottom provided with a copper lining, a series of transverse wooden partitions, the first and third extending to the top of the trough and terminating short of the bottom thereof and the alternating or second and fourth partitions extending to the bottom and terminating short of the top, whereby a passage for fluid is provided beneath one partition and over the adjacent one as described, a longitudinal shaft passing through the trough and its several partitions, and a series of agitators corresponding in number to the compartments of the trough, the same consisting of a series of radial arms fixed to the shaft, and metal strips connecting their outer ends, the arms being arranged spirally so that the strips are inclined to the axis of the shaft, as shown and described.
  • the improved apparatus comprising a wooden trough having a copper-lined bottom, a series of transverse Wooden partitions terminating alternately short of the bottom and top of the trough as described, a longitudinal shaft, and a series of agitators arranged one in each of the several compartments formed by said partitions, and pipes arranged for delivery of mercury and a saline solution into the trough, the bottom of the latter having cooks for draw ing off the amalgam, and a conveyer arranged at the rear end of the trough for removing the ore deposited from the solution, as shown and described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

No. 870,643- PATENTED NOV. 12, 1907. G. E. PAULLINS.
AMALGAMATOR.
APPLICATION FILED 0012s, 1905. 2 -311 111 1.
2 9 w a, 7 W 2 1 INVENTOH GEORGE 13-PAUJ.LIN5
. .Ll el v r W/ TNE SSE S A TTORNEYS THE NORRIS PETERS ru was G. E. PAULLINS. AMALGAMATOR.
APPLICATION IIIJ-JD 00128, 1905.
PATENTED NOV. 12, 1907.
2 SHEETS-SHEET 2.
WITNESSES INVENTOH GE BREE E.PAUI .LINS
A TTOBNEYS UNITED STATES GEORGE E. PAULLINS, OF COLORADO SPRINGS,
PATENT OFFICE.
COLORADO, ASSIGNOR OF FIVE TWENTY- FOURTHS TO CHARLES E. BIBB, FIVE TWENTY-FOURTHS TO CHARLES H. THEOBALD, AND FIVE TWENTY-FOURTHS TO HAYWOOD L. BUTLER, ALL OFCOLORADO SPRINGS,
COLORADO.
, AMALGAMATOR.
Patented Nov. 12, 1907.
Application filed October 6. 1905. Serial No. 281,677-
To all whom it may concern:
Be it known that I, GEORGEE. PAULLINS, a citizen of the United States, and a resident of Colorado Springs, in the countyof El Paso and State of Colorado, have invented an Improved Amalgamator, of which the following is a specification.
My invention is an improved apparatus for extracting gold and silver from refractory ores, a portion of these metals being converted into amalgam with mercury in the receptacle into which pulverized ore is delivered and wherein it is treated mechanically and electrically, and the fine ore separated from such metal in the free state being removed by mechanical means.
The details of construction arrangement, and operation of the apparatus are as hereinafter described and shown in the accompanying drawings, in which Figure 1 is a side view of my improved apparatus. Fig. 2 is a longitudinal vertical section of the same. Fig. 3 is a vertical cross-section on the line 33 of Fig. 2. Fig. 4 is a similar section on the line 44 of Fig. 2. Fig. 5 is a perspective view of a portion of the copper pan forming the lining of the bottom of the receptacle in which the ore is treated.
A indicates a long wooden trough whose sides are extended to a considerable height. The same may be supported by legs a or any other suitable means. A copper pan B, see Fig. 5, covers the rounded bottom of the trough A, it being fitted closely thereto so as to constitute a lining and its upper edges being turned outward into kerfs in the sides of the trough A at points 'wherethe vertical and curved lines meet; see especially Figs. 3 and 4. Within the trough is arranged a series of vertical partitions C, 0 O G The first and the third partitions are cut away at the bottom as indicated in Fig. 3, thus leaving an opening of considerable extent through which the pulp has free passage, as will be presently explained. The partition C, which intervenes the partitions O, C and is arranged equidistantly therefrom, does not extend to the top of the trough A and is in close contact with the bottom of the copper pan B, a small hole 0, see Figs. 2 and 3, being formed therein to permit the passageof mercury. The last partition 0 is arranged in the same manner as the partition O, save that it is not provided with a passage for mercury. In each of the compartments thus formed is arranged an agitator, and they are indicated successively by the letters .D, D, D and D These are supported and keyed upon a longitudinal shaft E arranged centrally in the trough A and rotation is in practice imparted thereto by a belt running on a pulley e; see Fig. 2. Each of the agitators is formed of radial arms d whose outer ends are connected by metal strips (F. Thus, in the preferred construction there are four series of arms d and four strips d The inner ends of the arms (1 enter sockets in hubs or collars d secured upon the shaft E and arranged in such manner that the strips cl are inclined or arranged spirally around the shaft. It is to be noted, however, that the length of all of the arms of is the same so that the strips d are throughout their length the same distance from the pan C. This will be apparent from an inspection of Fig. 3. The object in arranging the arms and the strips d spirally is to cause the strips to force the pulp toward the partition on the right. The agitator D will force the material toward the partition C, so that it passes through an opening beneath the latter into the next compartment where the agitator D acts thereon. It is apparent that the agitator D will operate in the same manner as the agitator D, and the agitator D in the same manner as the agitator D. A solution of common salt is held in the trough A to a height sufficient to cover the several agitators D, etc. A quantity of mercury is also deposited in the trough, in the pan C, and is thus present in all the compartments save the last, that is to say, the end compartment wherein is arranged a bucket elevator G. It is delivered from a perforated pipe F which is arranged, as shown in Figs. 2 and 3, close to one side of the trough and a short distance below the top thereof. The elevator is formed of a chain, see Figs. 2 and 4, provided with buckets g and running on sprocket wheels g and the wheel g being keyed on the shaft E. side of the trough as shown. The saline solution may be delivered into the trough A by means of the pipe H, see Fig. 2, which is provided witha stopcock to regulate delivery as may be required.
The bottom of the pan B, as shown, is provided with a series of cocks b that extend through the bottom of the trough A and serve for drawing off amalgam. I provide means for passing an electric current through the saline solution. in the trough. Thus, wires I, I, are connected with the poles of dynamos or a series of batteries, and branch wires 1' extend therefrom to plates K arranged in the trough while other branches 1' connect with the bottom of the copper pan B.
The operation of my improved apparatus will now be understood from the following description. Ore in a finely pulverized condition is fed into the first compartment wherein is arranged the agitator D. This may be effected by gravity, the ore flowing through a spout or pipe of suitable dinrension. The agitator D nrixes the ore with the saline solution and the mercury and thus converts it into a condition and form ordi- This endless conveyor is inclined from one narily known as pulp, and forces the same to the right so it passes under the partition 0 into the second compartment where it is subjected to the action of the agitator D, and, the saline solution and the ore being constantly supplied through the pipes, the pulp overflows the top of the second partition 0 into the third compartment where it is subjected to the action of the agitator D and passes under the partition C in the same manner as in the trough G, as described. In the fourth compartment, the agitator D acts upon it in the same manner as before described, and the pulp passes over the partition G into the last and smaller compartment, wherein is arranged the endless conveyer or elevator G. In said last compartment there being little agitation of the pulp, a separation occurs by gravity, the fine ore settling to the bottom where the bu kets g of the elevator take it up and convey it outa side the trough, as will be readily understood.
It is apparent that the saline solution fills the trough to a uniform depth in the several compartments and that the action of the several agitators D, etc. besides stirring the ore, serves to force it to the right so that it passes onward successively from one compartment to another. In other words, the pulp is worked from the left end of the trough to the right, and finally into the last compartment as before described. The free metals form for the most part an amalgam with the mercury,
amalgamation.
What I claim is- I 1. The improved apparatus for the purpose specified comprising a wooden trough having its rounded bottom lined with copper and provided with a series of transverse partitions alternate ones extending to the bottom and terminating below the top of the trough and others terminating above the bottom of the'trough and extending to the top thereof, a shaft passing through the longitudinal centerof the trough, a series of agitators keyed thereon and comprising radial arms and strips connecting their outer ends, an endless conveyer arranged in the last compartment which is adjacent to the last of the series of agitators, a perforated pipe arranged along one side of the trough for delivering mercury into the several compart ments containing the agitators, a pipe arranged for discharging a saline solution into the trough, and electriccircuit connections comprising conductors extending to a source of electric supply, one of said conductors being con nected with the copper lining of the trough and the other with plates arranged in the trough, as shown and described.
2. The improved apparatus for the purpose specified, comprising a wooden trough having its rounded bottom provided with a copper lining, a series of transverse wooden partitions, the first and third extending to the top of the trough and terminating short of the bottom thereof and the alternating or second and fourth partitions extending to the bottom and terminating short of the top, whereby a passage for fluid is provided beneath one partition and over the adjacent one as described, a longitudinal shaft passing through the trough and its several partitions, and a series of agitators corresponding in number to the compartments of the trough, the same consisting of a series of radial arms fixed to the shaft, and metal strips connecting their outer ends, the arms being arranged spirally so that the strips are inclined to the axis of the shaft, as shown and described. I
3. The improved apparatus comprising a wooden trough having a copper-lined bottom, a series of transverse Wooden partitions terminating alternately short of the bottom and top of the trough as described, a longitudinal shaft, and a series of agitators arranged one in each of the several compartments formed by said partitions, and pipes arranged for delivery of mercury and a saline solution into the trough, the bottom of the latter having cooks for draw ing off the amalgam, and a conveyer arranged at the rear end of the trough for removing the ore deposited from the solution, as shown and described.
In testimony whereof I aifix my signature in the pres ence of two witnesses.
GEO. E. PAULLINS.
Witnesses:
S. H. WOLKER, .T. T. LOKANCE.
US28167705A 1905-10-06 1905-10-06 Amalgamator. Expired - Lifetime US870643A (en)

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