BR112022022189A2 - Sistema para beneficiamento de partículas finas e muito finas de minério de ferro - Google Patents

Sistema para beneficiamento de partículas finas e muito finas de minério de ferro

Info

Publication number
BR112022022189A2
BR112022022189A2 BR112022022189A BR112022022189A BR112022022189A2 BR 112022022189 A2 BR112022022189 A2 BR 112022022189A2 BR 112022022189 A BR112022022189 A BR 112022022189A BR 112022022189 A BR112022022189 A BR 112022022189A BR 112022022189 A2 BR112022022189 A2 BR 112022022189A2
Authority
BR
Brazil
Prior art keywords
fine
stream
iron ore
particle
processes
Prior art date
Application number
BR112022022189A
Other languages
English (en)
Inventor
P Flynn Kyle
Gupta Abhishek
ROJAS MENDOZA Lucas
Original Assignee
Separation Tech Llc
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 Separation Tech Llc filed Critical Separation Tech Llc
Publication of BR112022022189A2 publication Critical patent/BR112022022189A2/pt

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
    • B03C7/02—Separators
    • 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
    • B03C7/003—Pretreatment of the solids prior to electrostatic separation
    • 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
    • B03C7/006—Charging without electricity supply, e.g. by tribo-electricity or pyroelectricity
    • 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
    • B03C7/02—Separators
    • B03C7/08—Separators with material carriers in the form of belts
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)

Abstract

SISTEMA PARA BENEFICIAMENTO DE PARTÍCULAS FINAS E MUITO FINAS DE MINÉRIO DE FERRO. A presente invenção refere-se a sistemas e métodos para o beneficiamento de partículas finas e muito finas de minério de ferro. O sistema inclui um primeiro separador do tipo de correia triboelétrico e eletrostático (BSS), que recebe e processa uma corrente de partículas, com um tamanho de partícula médio (d50) inferior a 75 mícrons, para gerar um concentrado rico em ferro. O sistema e o método não usam água e são conduzidos em uma rota metalúrgica totalmente seca. O sistema também inclui pelo menos um dispositivo de classificação pneumática, que recebe e processa uma corrente de alimentação de partículas para dotar a corrente de partículas com um tamanho de partícula médio (d50) inferior a 75 mícrons. O sistema também inclui um sistema de secador e desaglomerador, que recebe uma corrente de alimentação de partículas, e processa a corrente de alimentação de partículas para dotar a corrente de partículas com uma umidade inferior a 2%.
BR112022022189A 2020-06-22 2021-06-22 Sistema para beneficiamento de partículas finas e muito finas de minério de ferro BR112022022189A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063042261P 2020-06-22 2020-06-22
PCT/US2021/038492 WO2021178984A2 (en) 2020-06-22 2021-06-22 Process for dry beneficiation of fine and very fine iron ore by size and electrostatic segregation

Publications (1)

Publication Number Publication Date
BR112022022189A2 true BR112022022189A2 (pt) 2023-01-17

Family

ID=77614520

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022022189A BR112022022189A2 (pt) 2020-06-22 2021-06-22 Sistema para beneficiamento de partículas finas e muito finas de minério de ferro

Country Status (8)

Country Link
US (2) US11998930B2 (pt)
CN (1) CN115916387A (pt)
AU (1) AU2021231181A1 (pt)
BR (1) BR112022022189A2 (pt)
CA (1) CA3184748A1 (pt)
MX (1) MX2022015626A (pt)
SE (1) SE2251483A1 (pt)
WO (1) WO2021178984A2 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116273395B (zh) * 2023-03-08 2024-05-28 酒泉钢铁(集团)有限责任公司 一种铁矿石多级干磨干选生产铁精矿的生产工艺

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SE2251483A1 (en) 2022-12-16
AU2021231181A1 (en) 2022-12-22
CA3184748A1 (en) 2021-09-10
MX2022015626A (es) 2023-01-11
WO2021178984A2 (en) 2021-09-10
US20230271195A1 (en) 2023-08-31
US11998930B2 (en) 2024-06-04
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WO2021178984A3 (en) 2021-11-18
CN115916387A (zh) 2023-04-04

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