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Vol 167 No 1
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Research article
Mining electromechanics

Influence of fine fractions on hydrostructure of solid particles of copper ore dressing tailings

S. E. Demyanov
About authors
  • Research assistant G.V. Plekhanov Saint Petersburg Mining Institute
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Pipeline hydraulic transportation is widely used in underground and open-pit mines, coal preparation plants and external plant utilities to move various rocks. Mixing with water, coal and rocks due to different granulometric and petrographic parameters turn into different types of hydraulic mixtures and are characterized by certain movement patterns inside the pipeline. One of the types of hydraulic mixtures is the tailings of copper ore mining plants. This paper presents the results of research on the particle size distribution and hydraulic dimensions of these hydraulic mixtures, as well as a formula for calculating the particle drag coefficient calculated for the studied hydraulic mixtures.

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  1. Александров В.И. Методы снижения энергоемкости гидротранспорта смесей высокой концентрации. Санкт-Петербургский горный ин-т, СПб, 2000.
  2. Покровская В Н. Трубопроводный транспорт в горной промышленности. М.: Недра, 1985.
  3. Смолдырев А.Е. Гидротранспорт высококонцентрированных гидросмесей в горной промышленности. М.: Недра, 1983.

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