BR8706126A - Processo e aparelho para separar uma massa de material particulado em uma fracao de diamante e uma fracao de ganga - Google Patents

Processo e aparelho para separar uma massa de material particulado em uma fracao de diamante e uma fracao de ganga

Info

Publication number
BR8706126A
BR8706126A BR8706126A BR8706126A BR8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A
Authority
BR
Brazil
Prior art keywords
fraction
ganga
diamond
separating
mass
Prior art date
Application number
BR8706126A
Other languages
English (en)
Inventor
Stuart Hedley Robertson
Carlton Nigel Dodge
Original Assignee
De Beers Ind Diamond
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by De Beers Ind Diamond filed Critical De Beers Ind Diamond
Publication of BR8706126A publication Critical patent/BR8706126A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
BR8706126A 1986-11-12 1987-11-12 Processo e aparelho para separar uma massa de material particulado em uma fracao de diamante e uma fracao de ganga BR8706126A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA868581 1986-11-12

Publications (1)

Publication Number Publication Date
BR8706126A true BR8706126A (pt) 1988-06-14

Family

ID=25578628

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8706126A BR8706126A (pt) 1986-11-12 1987-11-12 Processo e aparelho para separar uma massa de material particulado em uma fracao de diamante e uma fracao de ganga

Country Status (3)

Country Link
AU (1) AU595660B2 (pt)
BR (1) BR8706126A (pt)
GB (1) GB2199657B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587345B2 (en) * 1986-08-20 1989-08-10 De Beers Consolidated Mines Limited Separation process
AU2889289A (en) * 1988-01-29 1989-08-10 Argyle Diamond Sales Limited Method of identifying gems
GB2219082B (en) * 1988-05-06 1992-08-26 Gersan Ets A method of identifying specific objects or zones
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
GB2504052B (en) * 2012-03-16 2017-05-10 De Beers Uk Ltd Sorting aggregate material
CN106269564B (zh) * 2016-08-23 2019-05-14 北京柯林柯矿业科技有限公司 基于图像识别技术和机械手臂的矿石分选工艺和设备
CN111715540B (zh) * 2020-04-29 2021-02-02 江苏旷博智能技术有限公司 用于分拣煤和矸石的装置和方法
JP7251042B2 (ja) * 2021-04-28 2023-04-04 住友電工ハードメタル株式会社 ダイヤモンドの窒素濃度の測定方法およびダイヤモンドの窒素濃度の測定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA757668B (en) * 1975-12-08 1977-07-27 De Beers Cons Mines Ltd Separation of materials
GB2140555B (en) * 1983-05-24 1987-03-25 British Petroleum Co Plc Diamond separation

Also Published As

Publication number Publication date
GB2199657A (en) 1988-07-13
GB8726532D0 (en) 1987-12-16
AU595660B2 (en) 1990-04-05
AU8117987A (en) 1988-05-19
GB2199657B (en) 1990-12-12

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Legal Events

Date Code Title Description
FC Decision: refusal
B15K Others concerning applications: alteration of classification

Ipc: B07C 5/342 (2006.01), B07C 5/36 (2006.0