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Book Chapter

Geological models of Spontaneous Combustion in the Wuda Coalfield, Inner Mongolia, China

By
Daiyong Cao
Daiyong Cao
State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China
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Xinjie Fan
Xinjie Fan
State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China
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Haiyan Guan
Haiyan Guan
Beijing Remote Sensing Corporation, Shenhua Group, Beijing 100085, China
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Chacha Wu
Chacha Wu
School of Resource and Safety Engineering, China University of Mining and Technology, Beijing 100083, China
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Xiaolei Shi
Xiaolei Shi
School of Resource and Safety Engineering, China University of Mining and Technology, Beijing 100083, China
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Yuerong Jia
Yuerong Jia
Wuda Mine Ltd., Shenhua Group, inner Mongolia 016040, China
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Published:
January 01, 2007

Abstract

Spontaneous combustion of coal seams is a complicated process that involves complex physical and chemical interactions between the seam and its surrounding environment; the ultimate results are a function of the interplay of internal and external conditions. Based on geologic field investigations and comprehensive analyses, four models of spontaneous combustion for coal were established: (1) a genesis-type model that is based on the coal characteristics that lead to spontaneous combustion; (2) a coal-fires propagation model, namely how spontaneous combustion propagates through a coal seam; (3) a model for the progressive stages and products of a coal fire; and (4) a cross-sectional model of zones that are conducive to spontaneous combustion in a mined-out area. These models provide a scientific and theoretic basis for monitoring and extinguishing the spontaneous combustion of coal.

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Contents

GSA Reviews in Engineering Geology

Geology of Coal Fires: Case Studies from Around the World

Glenn B. Stracher
Glenn B. Stracher
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Geological Society of America
Volume
18
ISBN electronic:
9780813758183
Publication date:
January 01, 2007

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