Measures For Spontaneous Combustion Of Coal Gangue

Supporting Information for Combustion of Coal and Coal

S2 18This material includes 22 pages 5 figures and 9 tables 19Activity levels and emission factors of coal and coal gangue spontaneous combustion 20 CGSC 21The annual average mass loss due to CGSC was 675136 and 314834 t a 1 in 2017 and 22the corresponding uncertainty ranges were 343507 1006766 t a 1 and 276224 353445 t a 1 calculation process of the mass loss

Get Price

Laboratorial Investigation and Simulation Test for

· Conventionally method for controlling spontaneous combustion of coal gangue is to inhibit the oxidation and self heating of gangue by utilizing soil covering to isolate the gangue from oxygen Using various methods such as FTIR TG/DSC program heating and physical simulation the change of spontaneous combustion characteristics SCCs of coal gangue under 3 % O 2

Get Price

Control system of spontaneous combustion in coal

Spontaneous combustion in coal gangue dumps leads to pollution in the environment and damages ecosystem and human health Mine operators usually fail to take effective measures against spontaneous combustion because of the inaccurate

Get Price

Control system of spontaneous combustion in coal

Spontaneous combustion in coal gangue dumps leads to pollution in the environment and damages ecosystem and human health Mine operators usually fail to take effective measures against spontaneous combustion because of the inaccurate

Get Price

CN205719341U Spontaneous combustion of coal

This utility model relates to coal gangue hill detection instrument is specially a kind of spontaneous combustion of coal gangue hill process temperature detection device and including temperature tube 1 described temperature tube 1 lower end arranges bottom 2 upper end arranges top cover 3 ;Described temperature tube 1 outer wall top arranges earrings 4 and described

Get Price

Temperature Characteristics of Spontaneous Coal Combustion

It is a typical small scale slow spontaneous combustion of coal gangue pile The fire fighting method used on the pile in the late 1990s had little success It was followed by grouting in 2004 with minimal result In 2005 measures were taken to compact soil and establish vegetation in large areas of the spontaneous combustion In spite of this

Get Price

Research on the technology of detection and risk

To realize the safety management of coal gangue spontaneous combustion and evaluate its present risks this paper selects the Dongzhou Kiln gangue hill in Zuoyun County Datong City China as the research object to conduct a risk assessment study The Dongzhou gangue hill fire area is relatively large with a total area of 183 039 m 2

Get Price

CiteSeerX — INFRARED THERMOGRAPHY

CiteSeerX Document Details Isaac Councill Lee Giles Pradeep Teregowda Spontaneous combustion of mine rock dump coal gangue pile has posed a constant threat to the safety of mine areas by polluting its atmosphere water soil and even the threat of unpredictable explosion Traditional monitoring techniques like utilizing thermocouples and thermometers can only measure the surface

Get Price

Experimental study of the effects of stacking modes

· When the temperature reaches the ignition point of the coal gangue spontaneous combustion will occur in the coal gangue hills Previously many researchers have carried out extensive examinations regarding control methods mechanisms and influencing factors of spontaneous combustion in coal gangue stacking piles

Get Price

Prediction Model for Spontaneous Combustion of

· To accurately and reliably predict the time of spontaneous combustion of fractured coal around a borehole induced by gas drainage along the seam this study performed an orthogonal test taking the No 10 Coal Mine of Pingdingshan as the research object in terms of the suction negative pressure and coal seam buried depth COMSOL Multiphysics was used to model the orthogonal test

Get Price

China Fire Extinguishing Project Of Coal Gangue

Fire Extinguishing Project of Coal Gangue in Gushuyuan Coal Mine 1 Introduction Some spontaneous combustion areas at the debris heap of Gushuyuan Coal Mine There is a large scale spontaneous combustion phenomenon in Gushuyuan Coal Mine of Shanxi Jincheng Anthracite Mining Group Company Limited

Get Price

Estimating the Spontaneous Combustion

· In this paper the reactive properties of coals associated with low temperature oxidation were studied using thermogravimetric analysis TGA Coal samples were pulverized into a size fraction of <106 μm and analyzed using two non isothermal thermogravimetric methods The adsorption of oxygen test consisted of exposing coal samples to slow heating rates in air while measuring the weight

Get Price

PDF Environmental characterization of burnt coal

Environmental characterization of burnt coal gangue banks at Yangquan Shanxi Province China Download Environmental characterization of burnt coal gangue banks at Yangquan Shanxi Influence of soil cover on reducing the environmental impact of spontaneous coal combustion in coal waste gobs A review and new experimental data By Joan

Get Price

PDF Environmental characterization of burnt coal

Environmental characterization of burnt coal gangue banks at Yangquan Shanxi Province China Download Environmental characterization of burnt coal gangue banks at Yangquan Shanxi Influence of soil cover on reducing the environmental impact of spontaneous coal combustion in coal waste gobs A review and new experimental data By Joan

Get Price

Estimating the Spontaneous Combustion

· In this paper the reactive properties of coals associated with low temperature oxidation were studied using thermogravimetric analysis TGA Coal samples were pulverized into a size fraction of <106 μm and analyzed using two non isothermal thermogravimetric methods The adsorption of oxygen test consisted of exposing coal samples to slow heating rates in air while measuring the weight

Get Price

Spontaneous Combustion of Coal Characteristics

This book explains how to understand analyze and mitigate spontaneous coal combustion offers preventive measures to mitigate the hazards of spontaneous coal combustion and applies experimental techniques to investigate the chemical self heating properties of coal

Get Price

coal gangue spontaneous

· Coal gangue used mobile gangue crusher can also be used to produce low calorific value gas manufacturing ceramics making soil amendment or used for paving underground filling filling the ground to create farmland after the waste dump on the spontaneous combustion can also be planting grass landscaping

Get Price

Thermokinetic behaviour and functional group variation

Thermokinetic behaviour and functional group variation during spontaneous combustion of raw coal and its preoxidised form Da Jiang Li a Yang Xiao ab Hui Fei Lu ¨ a Bin Laiwangc and Chi Min Shu c Coalspontaneouscombustion CSC is amajor problemin thevicinityof underground goaf

Get Price

Spontaneous Combustion of Coal Practical Maintenance

4 Spontaneous combustion of coal subtracting the percentages of moisture volatile matter and ash from a sample Since gas to solid combustion reactions are slower than gas to gas reactions high fixed carbon content indicates that the coal will require a long combustion time Calorific Value

Get Price

Spontaneous Combustion of Coal Practical Maintenance

4 Spontaneous combustion of coal subtracting the percentages of moisture volatile matter and ash from a sample Since gas to solid combustion reactions are slower than gas to gas reactions high fixed carbon content indicates that the coal will require a long combustion time Calorific Value

Get Price

Assessing and managing spontaneous combustion of coal

Spontaneous combustion IEA Clean Coal Centre Assessing and managing spontaneous combustion of coal 10 2 Spontaneous combustion All coals oxidise when newly exposed to air especially during and after mining This tends to be more of a problem in lower rank coals Powder River Basin PRB coal was first used in 1974 and although the new

Get Price

Laboratorial Investigation and Simulation Test for

· Conventionally method for controlling spontaneous combustion of coal gangue is to inhibit the oxidation and self heating of gangue by utilizing soil covering to isolate the gangue from oxygen Using various methods such as FTIR TG/DSC program heating and physical simulation the change of spontaneous combustion characteristics SCCs of coal gangue under 3 % O 2

Get Price

CiteSeerX — INFRARED THERMOGRAPHY

CiteSeerX Document Details Isaac Councill Lee Giles Pradeep Teregowda Spontaneous combustion of mine rock dump coal gangue pile has posed a constant threat to the safety of mine areas by polluting its atmosphere water soil and even the threat of unpredictable explosion Traditional monitoring techniques like utilizing thermocouples and thermometers can only measure the surface

Get Price