Spontaneous combustion and simulation of mine fires and their effects on mine ventilation systems

Gillies, A.D.S., Wu, H. W. and Humphreys, D. R. (2005). Spontaneous combustion and simulation of mine fires and their effects on mine ventilation systems. In: Coal 2005 : 6th Australasian coal operators' conference ; [moving technology - maintaining competence] ; [proceedings]. Coal 2005: 6th Australasian Coal Operators’ Conference, Brisbane, Australia, (225-236). 26-28 April 2005.


Author Gillies, A.D.S.
Wu, H. W.
Humphreys, D. R.
Title of paper Spontaneous combustion and simulation of mine fires and their effects on mine ventilation systems
Conference name Coal 2005: 6th Australasian Coal Operators’ Conference
Conference location Brisbane, Australia
Conference dates 26-28 April 2005
Convener Australasian Institute of Mining and Metallurgy
Proceedings title Coal 2005 : 6th Australasian coal operators' conference ; [moving technology - maintaining competence] ; [proceedings]
Journal name COAL 2005: 6th Australasian Coal Operators' Conference
Place of Publication Victoria, Australia
Publisher The Australasian Institute of Mining and Metallurgy
Publication Year 2005
Sub-type Fully published paper
ISBN 1920806261
9781920806255
1920806253
Volume 2005
Issue 2
Start page 225
End page 236
Total pages 12
Collection year 2005
Language eng
Abstract/Summary The structure of a comprehensive research project into mine fires study applying the Ventgraph mine fire simulation software, preplanning of escape scenarios and general interaction with rescue responses is outlined. The project has Australian Coal Association Research Program (ACARP) funding and also relies on substantial mining company site support. This practical input from mine operators is essential and allows the approach to be introduced in the most creditable way. The effort is built around the introduction of fire simulation computer software to the Australian mining industry and the consequent modelling of fire scenarios in selected different mine layouts. Application of the simulation software package to the changing mine layouts requires experience to achieve realistic outcomes. Most Australian mines of size currently use a ventilation network simulation program. Under the project a small subroutine has been written to transfer the input data from the existing mine ventilation network simulation program to ‘Ventgraph’. This has been tested successfully. To understand fire simulation behaviour on the mine ventilation system, it is necessary to understood the possible effects of mine fires on various mine ventilation systems correctly first. Case studies demonstrating the possible effects of fires on some typical Australian coal mine ventilation circuits have been examined. The situation in which there is some gas make at the face and effects with fire have also been developed to emphasise how unstable and dangerous situations may arise. The primary objective of the part of the study described in this paper is to use mine fire simulation software to gain better understanding of how spontaneous combustion initiated fires can interact with the complex ventilation behaviour underground during a substantial fire. It focuses on the simulation of spontaneous combustion sourced heatings that develop into open fires. Further, it examines ventilation behaviour effects of spontaneous combustion initiated pillar fires and examines the difficulties these can be present if a ventilation reversal occurs. It also briefly examines simulation of use of the inertisation to assist in mine recovery. Mine fires are recognised across the world as a major hazard issue. New approaches allowing improvement in understanding their consequences have been developed as an aid in handling this complex area.
Subjects E1
290701 Mining Engineering
650202 Coal
Q-Index Code E1
Additional Notes Book Series: AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY PUBLICATION SERIES Volume: 2005 Issue: 2

 
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Created: Thu, 23 Aug 2007, 20:28:59 EST