Measures For Spontaneous Combustion Of Coal Gangue

  • 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

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  • 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

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  • Spontaneous Combustion Management Guideline

    spontaneous combustion Oxidisation of coal is a normal process and this produces heat and certain gases All coal oxidizes Spontaneous combustion is the process by which certain materials can ignite as a result of internal heat which arises spontaneously due to reactions liberating heat faster than it can be lost to the environment

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  • 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

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  • 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

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  • 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

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  • 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

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  • Operation Spontaneous Combustion Management Plan

    Page Operation Spontaneous Combustion Management Plan 4 of 19 Document No Next Review Date 31/11/21 1 CONTEXT Newcastle Coal Infrastructure Group NCIG is the operator of a Coal Export Terminal CET located

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  • 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

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  • 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

  • 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

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  • Spontaneous Coal Combustion Part 1 A Burning

    Spontaneous Coal Combustion Part 1 A Burning Mystery This blog post is part one of a three part series on spontaneous coal combustion In this post we focus on the history and research and in the upcoming posts we ll take a look at preventative measures and best practices When coal burns it releases carbon dioxide water heat sulfur

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  • 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

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  • 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

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  • 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

  • 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

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  • 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

  • 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

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  • RQWKHLQIOXHQFHRIWHPSHUDWXUHRQFRPSUHVVLYH

    The non spontaneous combustion coal gangue was selected for crushing and the coarse aggregate diameter was separated to 20mm Strength grade C40 and water cement ratio are designed according to JGJ 55 2000 Design Code for Mix Proportion of Ordinary Concrete and JGJ51 2002

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  • 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

  • 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

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  • 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

  • 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

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  • 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

  • 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

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  • Micro‐pore structure characteristics and macro

    · The test showed that Fuxin Gaode spontaneous combustion coal gangue can be used as light coarse aggregate to prepare concrete provided it is sorted scientifically and it can be used to prepare PP fibre spontaneous combustion coal gangue concrete with compressive strength of MPa splitting tensile strength of MPa and bending strength of MPa

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  • 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

  • Measures for spontaneous combustion of coal

    The spontaneous combustion in coal gangue dumps was controlled through a case study at Yuquan coal mine Results show that the concentrations of index gases CO and H2S in the coal gangue dumps of Yuquan coal mine are below 24 and 6 6 ppm and the internal temperature is below 70 °C The cost per square meter of the control system of spontaneous combustion is approximately $8

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