Abstract
The change of one of the main parameters of wet magnetic concentration – the iron content and magnetic characteristics of products made by the concentration technological scheme of Abagur Enrichment Plant (from classifi er discharge to concentrate of the 2nd stage) has been studied. The iron content in the samples is growing signifi - cantly with the decrease of the particle coarseness. The increment of iron magnetite by the scheme is 27.43 %, the specifi c value of saturation magnetization σs increases by 25.8 A·m2/kg. The growth of specifi c magnetization in the separation fi eld H = 175 kA/m is similar – 25.76 A·m2/kg. The values of specifi c magnetic susceptibility χ in the concentrate are higher in comparison with the discharge. The specifi c product susceptibility decreases in several times with the growth of separation fi eld strength. Throughout the concentration scheme the quantity proportionality of iron content and magnetic parameters of products is observed. Taking into an account all the regularities, magnetic characteristics of the products can be used to control and regulate the process of technological modes of wet magnetic separation processes.
Highlights
The change of one of the main parameters of wet magnetic concentration – the iron content and magnetic characteristics of products made by the concentration technological scheme of Abagur Enrichment Plant has been studied
The values of specific magnetic susceptibility χ in the concentrate are higher in comparison with the discharge
The specific product susceptibility decreases in several times with the growth of separation field strength
Summary
КОРРЕЛЯЦИЯ МАГНИТНЫХ СВОЙСТВ И СОДЕРЖАНИЯ ЖЕЛЕЗА В ПРОДУКТАХ МОКРОЙ МАГНИТНОЙ СЕПАРАЦИИ Изучено изменение одного из основных параметров мокрого магнитного обогащения – содержания железа ‒ и магнитных характеристик продуктов по технологической схеме обогащения Абагурской обогатительной фабрики (от слива классификаторов до концентрата 2-й стадии). Приращение содержания железа магнетитового по схеме составляет 27,43 %, удельная намагниченности насыщения σs возрастает на 25,8 А·м2/кг; в поле сепарации Н = 175 кА/м прирост удельной намагниченности насыщения аналогичен – 25,76 А·м2/кг.
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