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B. M. Zvyagin
B. M. Zvyagin

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Articles

Article
  • Date submitted
    1970-03-05
  • Date accepted
    1970-05-02

Физико-математический анализ результатов разделения дробленых частиц на три фракции и целесообразности изменения граничного удельного веса разделяющей жидкости

Article preview

Разработанная теория раскрытия минералов позво­ляет рассчитать все основные параметры обогатительного про­цесса для получения продуктов заданного качества, если тех­нологические методы полностью реализуют эффект заданной глубины дробления. В действительности же качественно-количественные показатели существующих процессов угле­обогащения значительно отличаются от теоретических. Объяс­няется это недостаточно четким разделением частиц с близ­кими удельными весами и невозможностью надежного обогащения мелких классов угля. Поэтому важно правильно выбрать демаркационный удельный вес, при котором обога­щение будет оптимальным. Большинство углей, в частности, Донецкого бассейна, обычно обогащаются по удельному весу 1,5, однако в некоторых концентратах содержание золы и серы остается все же высоким ...

How to cite: Zvyagin B.M. // Journal of Mining Institute. 1970. Vol. 51. Iss. 3. p. 25.
Article
  • Date submitted
    1960-09-30
  • Date accepted
    1960-11-19

Linear method for determining the size distribution function of inclusions

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Determination of the sizes of inclusions and the function of their size distribution in the mineral volume is an important task for practice. Since in the vast majority of minerals containing inclusions are opaque, it is not possible to experimentally measure the sizes of inclusions. Usually the sizes of inclusions cross-sections are measured on the slip, and by the picture on the slip we have to judge about the true sizes of inclusions in the mineral and about the size distribution of inclusions.

How to cite: Todes O.M., Zvyagin B.M. Linear method for determining the size distribution function of inclusions // Journal of Mining Institute. 1961. Vol. 37. Iss. 3. p. 58-63.
Article
  • Date submitted
    1960-09-28
  • Date accepted
    1960-11-16

Calculation of probable coal enrichment indices

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Parameters determining the results of gravity concentration of finely crushed coals. Disclosure of minerals, yields and compositions of fractions, quality of the obtained concentrate depend on the degree of crushing. The finer the coal is crushed, the greater the disclosure of minerals during crushing, the greater the amount of pyrite and mineral impurities (or rich in their aggregates) are extracted from the coal, the better the quality of coal obtained by gravity concentration of the crushed mass.

How to cite: Zvyagin B.M. Calculation of probable coal enrichment indices // Journal of Mining Institute. 1961. Vol. 37. Iss. 3. p. 64-74.
Article
  • Date submitted
    1957-09-18
  • Date accepted
    1957-11-10

General theory and methods of calculation of the results of rock crushing and their subsequent gravitational enrichment

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Methods for calculating yields and compositions of functions in gravity concentration have been developed for fine and coarse crushing. Calculation of coal crushing and its subsequent gravity concentration was carried out for coarse and fine crushing by different methods, which is a shortcoming of the theory. In addition, for some intermediate cases it is sometimes unclear which method should be used, and calculations by the coarse and fine crushing method give drastically different results.

How to cite: Zvyagin B.M. General theory and methods of calculation of the results of rock crushing and their subsequent gravitational enrichment // Journal of Mining Institute. 1958. Vol. 36. Iss. 3. p. 43-64.