US731045A - Diamagnetic separator. - Google Patents

Diamagnetic separator. Download PDF

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Publication number
US731045A
US731045A US13882700A US1900138827A US731045A US 731045 A US731045 A US 731045A US 13882700 A US13882700 A US 13882700A US 1900138827 A US1900138827 A US 1900138827A US 731045 A US731045 A US 731045A
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United States
Prior art keywords
incline
diamagnetic
separator
water
particles
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Expired - Lifetime
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US13882700A
Inventor
Elmer Gates
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THEODORE J MAYER
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THEODORE J MAYER
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Priority to US13882700A priority Critical patent/US731045A/en
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Publication of US731045A publication Critical patent/US731045A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp

Definitions

  • My invention relates to certain new and useful improvements in diamagnetic separators of the type disclosed in prior applications I 5 for Letters Patent of the United States filed by me wherein particles of free gold or other diamagnetic metal are separated from mixtures containing them by the expedient of feeding the mixture into a relatively intense part of a magnetic field and continuing it therein until the diamagnetic metal particles have moved into a relatively less intense portion of the field, from which they are collected separately.
  • Figure 1 represents a side elevation of a diamagnetic separator embodying my present invention, partly in section.
  • Fig. 2 represents a top plan view thereof, partly in section.
  • Fig. 0 represents a side elevation of a diamagnetic separator embodying my present invention, partly in section.
  • 0 represents an end elevation
  • J indicates the energizing-coil of an electromagnet, arranged at an incline, as shown, and whose core (indicated in dotted lines in Fig. 2) projects 3 5 slightly into the inner side of a box or casing B, which is inclosed at its sides and ends.
  • a hopper O communicates with the, upper portion of the casing and is adapted to dis charge the material to be separated upon an 0 incline D, extending longitudinally in front of the core or pole piece of the magnet.
  • incline D consists of tightly-stretched fabric permeable to water and suitably framed and supported at appropriate intervals. At the bottom of the incline are located the discharge-chutes E F. A water-supply pipe 11 enters the casing at the top of the incline, and a water-discharge pipe G issues from the the magnet-face.
  • the mode of operation of. the apparatus is as follows:
  • the material to be separated passes from the hopper C and drops upon the upper portion of the incline in near proximity to the edge of-the core or pole piece of the magnet and begins to fall by gravity down the incline, aided by the flow of water which passes up through the fabric and fiowsdown the incline.
  • the magnet being energized, the tendency of the particles of free gold or the like is to move away from In this endeavor they are assisted by the flow of water, the water serving to give freedom of motion to the particles and keeping them in suspension, so that they are subjected to greater advantage to the action of the magnetic field.
  • the particles of free gold move outwardly toward the outer edge of the incline and finally issue through the chute F, where they are collected, while the particles of sand, being arranged in frontof the magnet-pole, an incline also arranged in front of the magnetpole and permeable to water, means for feeding the material to be separated upon the upper surface of the incline and for leaving OK the separated products at the lower portion thereof, means for admitting a flow of water "beneath the incline near the upper portion thereof, and means for conducting off the surplus water at the lower part of the incline; substantially as described.

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  • Water Treatment By Electricity Or Magnetism (AREA)

Description

No. 731,045. PATENTED JUNE 16, 1903. E. GATES.
DIAMAGNETIG SEPARATOR. APPLICATION FILED A212. 14. 1900. RENEWED JAN. 1a. 1903.
H0 MODEL.
qmwzwn ms PETERS co. mmtxuma, wnsumsron. 04 c,
UNITED STATES Patented June 16, 1903.
IPATENT OFFICE.
ELMER GATES, OF CHEVY CHASE, MARYLAND, ASSIGNOB TO THEODORE J. MAYER, OF WASHINGTON, DISTRICT OF COLUMBIA.
DIAMAG N ETlC SEPARATO R.
SPECIFICATION formingpart of Letters Patent N0. 731,045, dated June 16, 1903. Application filed April 14, 1900. Renewed January 13, 1903- Serial No; 138,827. (No model.)
To on whom it may concern.-
B it known that I, ELMER GATES, a citizen of the United States, residing at Chevy Chase,
county of Montgomery, State of Maryland,
have invented certain new and useful Improvements in Diamagnetic Separators; and
I do hereby declare the following to be a full,
clear, and exact description of the invention,
such as will enable others skilled in the art to to which it appertains to make and use the same.
My invention relates to certain new and useful improvements in diamagnetic separators of the type disclosed in prior applications I 5 for Letters Patent of the United States filed by me wherein particles of free gold or other diamagnetic metal are separated from mixtures containing them by the expedient of feeding the mixture into a relatively intense part of a magnetic field and continuing it therein until the diamagnetic metal particles have moved into a relatively less intense portion of the field, from which they are collected separately.
In the accompanying drawings, Figure 1 represents a side elevation of a diamagnetic separator embodying my present invention, partly in section. Fig. 2 represents a top plan view thereof, partly in section. Fig. 0
0 represents an end elevation.
Referring to the drawings, J indicates the energizing-coil of an electromagnet, arranged at an incline, as shown, and whose core (indicated in dotted lines in Fig. 2) projects 3 5 slightly into the inner side of a box or casing B, which is inclosed at its sides and ends.
A hopper O communicates with the, upper portion of the casing and is adapted to dis charge the material to be separated upon an 0 incline D, extending longitudinally in front of the core or pole piece of the magnet.
incline D consists of tightly-stretched fabric permeable to water and suitably framed and supported at appropriate intervals. At the bottom of the incline are located the discharge-chutes E F. A water-supply pipe 11 enters the casing at the top of the incline, and a water-discharge pipe G issues from the the magnet-face.
The
casin g at the lower portion thereof, said pipes being respectively below and above the surface of the incline.
The mode of operation of. the apparatus is as follows: The material to be separated passes from the hopper C and drops upon the upper portion of the incline in near proximity to the edge of-the core or pole piece of the magnet and begins to fall by gravity down the incline, aided by the flow of water which passes up through the fabric and fiowsdown the incline. The magnet being energized, the tendency of the particles of free gold or the like is to move away from In this endeavor they are assisted by the flow of water, the water serving to give freedom of motion to the particles and keeping them in suspension, so that they are subjected to greater advantage to the action of the magnetic field. Accordingly the particles of free gold move outwardly toward the outer edge of the incline and finally issue through the chute F, where they are collected, while the particles of sand, being arranged in frontof the magnet-pole, an incline also arranged in front of the magnetpole and permeable to water, means for feeding the material to be separated upon the upper surface of the incline and for leaving OK the separated products at the lower portion thereof, means for admitting a flow of water "beneath the incline near the upper portion thereof, and means for conducting off the surplus water at the lower part of the incline; substantially as described.
In testimony whereof I affix my signature in presence of two witnesses.
ELMER GATES.
Vitnesses:
J. E. HUrcHINsoN, J12, A. E. GRANT.
US13882700A 1900-04-14 1900-04-14 Diamagnetic separator. Expired - Lifetime US731045A (en)

Priority Applications (1)

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US13882700A US731045A (en) 1900-04-14 1900-04-14 Diamagnetic separator.

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US13882700A US731045A (en) 1900-04-14 1900-04-14 Diamagnetic separator.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877578A (en) * 1972-09-18 1975-04-15 Occidental Petroleum Corp Separation process for flint, amber, and green glass particles from a mixture of the three colors
US4595494A (en) * 1983-10-05 1986-06-17 Krupp Polysius Ag Apparatus for separating ferromagnetic particles from a slurry

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877578A (en) * 1972-09-18 1975-04-15 Occidental Petroleum Corp Separation process for flint, amber, and green glass particles from a mixture of the three colors
US4595494A (en) * 1983-10-05 1986-06-17 Krupp Polysius Ag Apparatus for separating ferromagnetic particles from a slurry

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