GB218354A - Improvements in electrostatic separation of particles - Google Patents
Improvements in electrostatic separation of particlesInfo
- Publication number
- GB218354A GB218354A GB625123A GB625123A GB218354A GB 218354 A GB218354 A GB 218354A GB 625123 A GB625123 A GB 625123A GB 625123 A GB625123 A GB 625123A GB 218354 A GB218354 A GB 218354A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slots
- fed
- materials
- troughs
- discs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- B03C7/00—Separating solids from solids by electrostatic effect
Landscapes
- Jigging Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Electrostatic Separation (AREA)
Abstract
218,354. South Metropolitan Gas Co., Woodhall, Duckham, & Jones (1920), Ltd., and Hatfield, H. S. March 3, 1923. Electrostatic separators.-In a process for separating substances in a finely - divided condition, such as the constituent minerals of a finely-ground ore, or coal from shale, the material is brought into contact with suitable insulating materials placed in a space between two electrodes connected to a source of high - frequency alternating current such as is used for continuous wave wireless transmission. In one form, Fig. 1, wires a are mounted as shown in plates b, b<1> mounted on insulating supports d and connected to the poles of a, high-frequency generator e. The wires a are covered with glass c, which may be fused on them or which may be slipped over them. The mixture of minerals is fed in at the top of the apparatus and falls among the wires, where the separation takes place, some materials clinging to the tubes c and others falling, through without being affected. In a second form, Fig. 4, the materials are fed on to inclined metal plates i connected to a source of high-frequency current and carried by a framework h of insulating material. An inclined revolving shaft f carries a number of parallel slate discs g which revolve partly inside the framework h. The materials pass down the plate i and fall through slots k on to the discs g. The unresponsive material slides off or is projected off the discs g and the responsive material adheres to the discs g and is carried outside the field created by the plate i where it drops off. In a third form, the material is fed from a hopper on to a rotating roller covered with insulating material, a curved insulated metal saddle being fixed concentrically with, and over part of, the roller, the materials being fed into the space between the roller and the saddle. In a fourth form, the insulating surfaces are formed like a Venetian blind, alternate surfaces being connected to poles of the generator and the minerals being fed thereto so as to fall on the slots. In another form, Fig. 7, a frame s, carrying slots p alternately connected to the poles of the generator, is mounted on a rod t carried by a bracket t<1> mounted, or made of such material, so that it can vibrate in a vertical plane, preferably by a pulley t<3> fixed on a spindle t<2> turning in bearings on the bracket and carrying an eccentric weight. The hopper u is mounted so that it can be vibrated by a cam u<2> carried on a post u<1> mounted on the bracket t' and is provided with openings covered by wire mesh u<3>. The unattracted material falls into hoppers v having apertures in the bottom through which the material falls into alternate hoppers w and slides into a conveyer trough x. The current is then cut off, the cam being turned so that it does not contact with the hopper and so cuts off the supply to the slots p, and the troughs v moved so that they are in communication with the troughs w which did not receive the un.. attracted material, the attracted material sliding down these troughs into a conveyer trough y. A single-power shaft carrying cams may operate the cam u<2>, move the troughs v, and control the current supply to the slots p.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB625123A GB218354A (en) | 1923-03-03 | 1923-03-03 | Improvements in electrostatic separation of particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB625123A GB218354A (en) | 1923-03-03 | 1923-03-03 | Improvements in electrostatic separation of particles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB218354A true GB218354A (en) | 1924-07-03 |
Family
ID=9811138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB625123A Expired GB218354A (en) | 1923-03-03 | 1923-03-03 | Improvements in electrostatic separation of particles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB218354A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012668A (en) * | 1959-09-11 | 1961-12-12 | Fraas Foster | Electrostatic separator carrier electrode |
US4247390A (en) * | 1978-10-23 | 1981-01-27 | Knoll Frank S | Method of separating vermiculite from the associated gangue |
US4251353A (en) * | 1978-11-13 | 1981-02-17 | Knoll Frank S | Method of treating refuse to separate valuable constituents |
-
1923
- 1923-03-03 GB GB625123A patent/GB218354A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012668A (en) * | 1959-09-11 | 1961-12-12 | Fraas Foster | Electrostatic separator carrier electrode |
US4247390A (en) * | 1978-10-23 | 1981-01-27 | Knoll Frank S | Method of separating vermiculite from the associated gangue |
US4251353A (en) * | 1978-11-13 | 1981-02-17 | Knoll Frank S | Method of treating refuse to separate valuable constituents |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2689648A (en) | Separation of metallic from nonmetallic particles | |
ES8504492A1 (en) | Method and apparatus for separating particulate materials. | |
US2559076A (en) | Method of cleaning coal | |
US5845783A (en) | Method and apparatus for treating fly ash | |
GB1091632A (en) | Method and apparatus for separating materials | |
US1110896A (en) | Electrostatic separator. | |
US3247960A (en) | Electrostatic conditioning electrode separator | |
DK525283D0 (en) | METHOD OF APPARATUS AND APPARATUS FOR SEPARATION OF PARTICULATED MATERIALS | |
GB218354A (en) | Improvements in electrostatic separation of particles | |
US3489279A (en) | Particulate separator and size classifier | |
US1482607A (en) | Agitation separator | |
US1872591A (en) | Ionic separator | |
US2085711A (en) | Process of and apparatus for the recovery of noble metals from ore pulp | |
US1071354A (en) | Electrical separator. | |
US765013A (en) | Magnetic ore-separator. | |
US2174681A (en) | Electrostatic separating apparatus | |
US1293655A (en) | Apparatus for reducing coal. | |
US1551724A (en) | Art of electrical precipitation of suspended material from gases | |
US3291305A (en) | Magnetic separator for mixtures of magnetic and non-magnetic material | |
US2071460A (en) | Apparatus for the electrostatic separation of mixed particles of different electrical behavior | |
US451370A (en) | conkling | |
US449726A (en) | And sheldon norton | |
SU1558485A1 (en) | Electric drum separator | |
US4049544A (en) | Method and device for separating particles | |
US1744989A (en) | Process of separating materials of varying degrees of conductivity |