New technical solutions for ventilation in deep quarries | Научно-инновационный портал СФУ

New technical solutions for ventilation in deep quarries

Тип публикации: статья из журнала

Год издания: 2019

Идентификатор DOI: 10.31897/PMI.2019.6.654

Ключевые слова: Change in the density of the wind flow, Deep quarry, Humidification of the air, Mirror system, Solar power, Ventilation

Аннотация: The paper discusses the issues of ventilating in deep quarries caused by the intensification of blasting operations at great depths, the increased distance of ore truck transportation to the daylight area, constant change in the geometrical parameters of the quarry, its microrelief and direction of mining, and increased isolation of the mined space from the environment. We provide a brief analysis of the current tools for forced airflow in deep quarries, which showed that the use of forced ventilation is often challenging since it leads to high energy consumption, high level of noise exceeding the permissible parameters, and high speeds of forced air flows may blow the dust off the quarry surfaces. The article presents methods and tools developed at the Siberian Federal University for intensifying the natural airflow in deep quarries by changing the air density at the entrance and exit points of the pit, as well as heating the shady areas using mirrors and solar energy, which do not interfere with mining and blasting operations. © 2019, Saint-Petersburg Mining University. All rights reserved.

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Издание

Журнал: Journal of Mining Institute

Выпуск журнала: Vol. 240

Номера страниц: 654-659

ISSN журнала: 24113336

Издатель: Saint-Petersburg Mining University

Авторы

  • Shakhrai S.G. (Siberian Federal University, Krasnoyarsk, Russian Federation)
  • Kurchin G.S. (Siberian Federal University, Krasnoyarsk, Russian Federation)
  • Sorokin A.G. (Krasnoyarsk Motor Transport College, Krasnoyarsk, Russian Federation)

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