Factors Defining Value and Direction of Thermal Drop Between Mine Shafts and Impact of General Mine Natural Draft on Ventilation Process of Underground Mining Companies

DOI

10.2991/aime-17.2017.91How to use a DOI?

Keywords

air inlet shaft, ventilation shaft, main mine fan, natural draft, thermal drop

Abstract

The article specifies measuring data of air parameters and their volume flow in the shafts and on the surface, collected in BKPRU-2 (Berezniki potash plant and mine 2) (®Uralkali¯ PJSC) in the normal operation mode, after shutdown of the main mine fan (MMF) and within several hours. As a result of the test it has been established that thermal drop between the mine shafts is active continuously regardless of the MMF operation mode or other draught sources. Also it has been discovered that depth of the mine shafts has no impact on thermal drop value. By the same difference of shaft elevation marks and parameters of outer air between the shafts, by their different depth, thermal drop of the same value will be active. The value of the general mine natural draft defined as an algebraic sum of thermal drop values between the shafts depends only on the difference of temperature and pressure of outer air and air in the shaft bottoms, on condition of shutdown of the air handling system (unit-heaters, air conditioning systems).

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Alexandr V. Nikolaev
AU  - Anton A. Kamenskikh
AU  - Viktor A. Nikolaev
AU  - Nikolay I. Alymenko
AU  - Daniil N. Alymenko
AU  - Alexandr I. Petrov
PY  - 2017/07
DA  - 2017/07
TI  - Factors Defining Value and Direction of Thermal Drop Between Mine Shafts and Impact of General Mine Natural Draft on Ventilation Process of Underground Mining Companies
BT  - Proceedings of the International Conference "Actual Issues of Mechanical Engineering" 2017 (AIME 2017)
PB  - Atlantis Press
SP  - 561
EP  - 566
SN  - 2352-5401
UR  - https://doi.org/10.2991/aime-17.2017.91
DO  - 10.2991/aime-17.2017.91
ID  - Nikolaev2017/07
ER  -