RO83993B1 - Process for concentrating ferromagnetic substances - Google Patents

Process for concentrating ferromagnetic substances

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Publication number
RO83993B1
RO83993B1 RO107840A RO10784082A RO83993B1 RO 83993 B1 RO83993 B1 RO 83993B1 RO 107840 A RO107840 A RO 107840A RO 10784082 A RO10784082 A RO 10784082A RO 83993 B1 RO83993 B1 RO 83993B1
Authority
RO
Romania
Prior art keywords
magnetic
substances
order
ferromagnetic substances
ferromagnetic
Prior art date
Application number
RO107840A
Other languages
Romanian (ro)
Other versions
RO83993A2 (en
Inventor
DUMITRU CIOFRîNGEANU
Original Assignee
Institutul De Cercetari Inginerie Tehnologica Si De Proiectare A Lucrarilor De Constructii Si Instalatii Miniere
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 Institutul De Cercetari Inginerie Tehnologica Si De Proiectare A Lucrarilor De Constructii Si Instalatii Miniere filed Critical Institutul De Cercetari Inginerie Tehnologica Si De Proiectare A Lucrarilor De Constructii Si Instalatii Miniere
Priority to RO82107840A priority Critical patent/RO83993A2/en
Publication of RO83993B1 publication Critical patent/RO83993B1/en
Publication of RO83993A2 publication Critical patent/RO83993A2/en

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

Inventia de fata se refera la un procedeu de concentrare a substantelor feromagnetice, cum sunt fierul metalic, magnetitul, magnezitul, pirotina si ilmenitul, îndeosebi a acelora aflate în asociatie cu substante peramagnetice sau diamagnetice, care formeaza granule care nu pot fi separate cu ajutorul cîmpurilor magnetice de intensitate mica pe care le dezvolta separatoarele magnetice uzuale. în scopul obtinerii unui randament ridicat al separarii substantelor feromagnetice, separarea magnetica are loc în cîmp neomogen de intensitate medie sau mare urmata de o macinare a produsului magnetic intermediar constituit din concrescente si o separare magnetica finala în cîmp izodinamic de intensitate joasa. Iar în scopul realizarii unei extractii maxime de substante feromagnetice concrete sau libere dar de dimensiuni foarte mici, separarea magnetica în cîmp neomogen de intensitate mare este precedata de aducerea materialului granular în suspensie cu apa la o concentratie de faza solida de ordinul a 25-40% prin îngrosare în doua trepte, evitîndu-se pierderea de substante feromagnetice în suprascurgere.The present invention relates to a process for the concentration of ferromagnetic substances, such as metallic iron, magnetite, magnesite, pyrothine and ilmenite, especially those associated with permagnetic or diamagnetic substances, which form granules which can not be separated by means of fields small magnetic intensities developed by conventional magnetic separators. In order to obtain a high ferromagnetic separation efficiency, the magnetic separation takes place in a non-homogeneous field of medium or high intensity followed by a grinding of the intermediate magnetic product consisting of concoctions and a final magnetic separation in the low intensity isodinamic field. And in order to achieve a maximum extraction of concrete or free ferromagnetic substances but of very small size, the magnetic separation in the non-homogeneous field of high intensity is preceded by bringing the granular material in suspension with water to a solid phase concentration of the order of 25-40% by two-stage thickening, avoiding the loss of ferromagnetic substances in overflow.

RO82107840A 1982-06-10 1982-06-10 PROCEDURE FOR CONCENTRATION OF FERROMAGNETIC SUBSTANCES RO83993A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO82107840A RO83993A2 (en) 1982-06-10 1982-06-10 PROCEDURE FOR CONCENTRATION OF FERROMAGNETIC SUBSTANCES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO82107840A RO83993A2 (en) 1982-06-10 1982-06-10 PROCEDURE FOR CONCENTRATION OF FERROMAGNETIC SUBSTANCES

Publications (2)

Publication Number Publication Date
RO83993B1 true RO83993B1 (en) 1985-08-30
RO83993A2 RO83993A2 (en) 1985-08-31

Family

ID=20111680

Family Applications (1)

Application Number Title Priority Date Filing Date
RO82107840A RO83993A2 (en) 1982-06-10 1982-06-10 PROCEDURE FOR CONCENTRATION OF FERROMAGNETIC SUBSTANCES

Country Status (1)

Country Link
RO (1) RO83993A2 (en)

Also Published As

Publication number Publication date
RO83993A2 (en) 1985-08-31

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