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Method and apparatus for processing magnetite

A technology of magnetite and equipment, applied in the field of processing magnetite, can solve the problems of non-cost-effectiveness and large amount of processing magnetite

Pending Publication Date: 2021-08-17
IB OPERATIONS PTY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is the problem that processing magnetite is usually not cost-effective as it requires a lot of energy and water

Method used

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  • Method and apparatus for processing magnetite
  • Method and apparatus for processing magnetite
  • Method and apparatus for processing magnetite

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0100] 1. Glossary

[0101] Table 1: Glossary of terms

[0102] Abbreviation Definition

[0103] BBWi Bond Ball Work Index

[0104] CCD countercurrent decantation

[0105] CHF Concentrate Processing Facility

[0106] COS Coarse Ore Stockpile

[0107] CWi Crushing work index

[0108] DMS dry magnetic separation

[0109] dt / h dry metric tons per hour

[0110] DTR Davis Tube Recovery

[0111] f 80 Feed size distribution – 80% pass

[0112] Fe iron

[0113] FORTESCUE / FMG Fortescue Metals Group Ltd

[0114] G Gauss

[0115] g / t grams per metric ton

[0116] HPGR High Pressure Grinding Roller

[0117] kg kilogram

[0118] km kilometer

[0119] kW kilowatt

[0120] kWh / t kilowatt hour per metric ton

[0121] μm micron

[0122] m meters

[0123] m 3 / h cubic meter per hour

[0124] mFe magnet

[0125] mm mm

[0126] Pa Pascal

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Abstract

A method of dewatering magnetite to <10% w / w moisture content, including the step of extracting water from the magnetite by virtue of the magnetism of the magnetite, whereby the magnetite pulls together under magnetic attraction thereby squeezing water outwardly and away from the magnetite.

Description

[0001] field of invention [0002] The present invention relates to a method and apparatus for processing magnetite, and more particularly, but not exclusively, to a method of processing magnetite into a form suitable for international shipments with improved cost Effective methods and apparatus for processing magnetite. [0003] Background of the invention [0004] It is known to mine iron ore for the production of steel and the like. Iron ore is one of Australia's most important export products, however the applicant has identified the problem that due to the quality of the iron ore product and in particular the purity of the product by weight (i.e. percent, which is actually iron), some hematite iron ores may have lower desirability and pricing in international markets. [0005] Iron ore is the rock and mineral from which metallic iron can be extracted economically. Iron itself is usually in the form of magnetite (Fe 3 o 4 ,72.4% Fe), hematite (Fe 2 o 3 , 69.9% Fe), g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/10C02F1/48
CPCB03C1/10B03C1/30C02F1/20C02F1/488B03C2201/18C02F11/123C02F11/15C02F2101/203B01D33/00B01D35/20B03C1/247B03C1/16B01D33/03B01D33/052B01D33/06
Inventor 安德鲁·格雷厄姆·汉密尔顿杰拉尔德·迈克尔·拉罗萨
Owner IB OPERATIONS PTY LTD