coal gangue burning
3D thermal mapping of smoldering coal gangue pile fires using
2023年8月1日 The aerial thermal infrared oblique photogrammetry work is conducted in the Anjialing Openpit Mine's 1360 bench, viewing bench, and belt corridor, where coal gangue 2024年2月1日 In the traditional coal mining practice, gangue waste is piled up on the surface to form a gangue hill The distribution of CG is characterized by being more abundant in the Representative coal gangue in China: Physical and chemical 2023年12月12日 The results indicate that spontaneous combustion of coal gangue dumps can trigger the spread of the fire area from the outside to the inside, gradually expanding due to Detection of Spontaneous Combustion Areas of Coal Gangue 2023年12月8日 Coal gangue (including bulk gangue and specific lithologies, such as coal, kaoliniterich material, sandstone, carbonate minerals, and sulfide mineralizations), fired coal gangue and condensate products from gas vents Detection of Spontaneous Combustion Areas of Coal
[PDF] Monitoring Burning Coal Gangue Dump Based on the 3D
This method facilitates effective fire suppression and controls measures for the burning coal gangue dump, reducing the associated risks Coal gangue is the byproduct of coal mining and The article focuses on the spontaneous combustion area of the south coal gangue dump at the Antaibao openpit mine in Shanxi Province The findings demonstrate the rapid and precise Monitoring Burning Coal Gangue Dump Based on the 3D 2024年11月7日 Investigation on spontaneous fires regions in coal gangue hills using UAV thermal infrared images The spontaneous combustion of coal gangue hills is accompanied by Investigation on spontaneous fires regions in coal gangue hills ABSTRACT: Spontaneous combustion of coal gangue dumps not only releases toxic and harmful gases, polluting the environment, but also leads to explosion accidents and casualties due to Detection of Spontaneous Combustion Areas of Coal Gangue
CoFiring Zhundong Coal with Its Gangue: Combustion
2022年12月8日 By far, the most effective and comprehensive utilization of coal gangues is to burn them as lowgrade fuels for power generation in China However, owning to their low volatile and high ash content, coal gangues are 2019年10月1日 The experiments of cofiring of straw with coal have been conducted on the 400 t/h very highpressure power station boiler to test its economy and emission characteristicsOrthogonal experiment analysis of coal gangue and corn straw 2016年10月1日 The weight fraction of Ethyne, one of the longestlived VOCs and usually used as biomass burning tracers (Scheeren et al, 2003), in the flue gas of biomassfired power plant (936%) was much higher than coalfired power plant (018%) and coal ganguefired power plant (053%), which implies Ethyne also could be used as the tracer of biomassfired power plantEmission characteristics of volatile organic compounds from coal, coal 2023年8月1日 The construction of authentic 3D thermal infrared models for coal gangue pile fires is currently insufficient Teodoro et al [49] performed an environmental impact assessment for a selfburning coal gangue pile in São Pedro da Cova Mine using a UAV equipped with a thermal infrared sensor, and constructed a 2D terrain surface temperature model3D thermal mapping of smoldering coal gangue pile fires using
Separation and Recovery of Valuable Carbon ACS Publications
2024年3月13日 Coal gangue (CG), an industrial solid waste with high contents of Li and Ga, has attracted the attention of researchers However, the utilization of CG remains an economic challenge Preenrichment of Li and Ga by flotation was carried out with a view to improving the comprehensive utilization of CG Mineral composition, timeofflight secondary ion mass 2024年9月1日 Coal gangue identification using laser speckle technology has advantages like ease of implementation, quick recognition, and costeffectiveness Still, it is sensitive to light and can be obstructed by Long Flame Coal: High volatile content: When burning, the flame is longer, releasing more smoke and gas Black, less glossy: Gas Research and prospect of underground intelligent coal gangue Sustainability 2022, 14, 16451 3 of 14 2 Experimental 21 Materials A coal and coal gangue sample collected from Zhundong region were used as fuels and denoted as ZDC and ZDG, respectivelyCoFiring Zhundong Coal with Its Gangue: Combustion2023年12月1日 Cofiring of coal gangue and weathered coal may help the burning of coal gangue in CFBC Moreover, growing concern about greenhouse gas emissions necessitate an investigation into alternative technologies for reduction of CO 2 emissions from power plants [9]Air and oxyfuel combustion characteristics of coal gangue and
An Experimental Study on the Combustion Kinetics and Ash
2021年6月30日 Coal gangue has a potential to be used as fuel in a circulating fluidized bed boiler However, there are few studies on it in South Korea In this study, the combustion characteristics and kinetics of coal gangue were investigated by thermogravimetric analysis at different heating rates (20, 30, and 40°C/min) under air atmosphere2024年7月12日 Coal gangue (CG), which accounts for about 10–20 % of coal output, is a kind of solid waste generated during the coal mining and washing processes As shown in Fig 4, largersized, low crushing value and low burning loss CG with insufficient activity could be utilized through relatively simple processes, Review Highcapacity utilization of coal gangue as supplementary 2021年6月1日 In this study, the combustion characteristics of Zhundong coal (ZC), coal gangue (CG) and the ZCCG blends with 10, 20, 30, 40 and 50% CG were investigated using a thermogravimetric analysis (TGA)Investigation on combustion performance and ash fusion Download Citation On Aug 1, 2023, Yuanyuan Zhang and others published Air and oxyfuel combustion characteristics of coal gangue and weathered coal blends Find, read and cite all the research Air and oxyfuel combustion characteristics of coal gangue and
coal gangue中文,coal gangue的意思,coal gangue翻譯及用法
英漢例句 this paper presents the processes of full coal gangue sintered porous brick, such as grinding of raw materials, plasticizing, hard plastic extruding, palletizing and burning 對全煤矸石燒結多孔磚原料的粉磨、增塑、硬塑成型、碼坯、燒成等過程及國產雙級真空硬塑擠磚機的特性作了詳細的介紹。2020年1月23日 Commercial heat and electricity may also be generated by burning coal gangue with a circulating fluidized bed (CFB) boiler at 800−900 °C [6](PDF) Sulfur Conversion of Mixed Coal and Gangue 2022年9月30日 Using coal gangue (CG) as a building research on the main application methods of CG in building materials includes research on the production of cement, burning bricks, concrete hollow blocks, Preparation of coal gangue ceramsite highstrength concrete and 2015年2月18日 The reuse of coal gangue for energy recovery is developing rapidly in China, due to its advantage in achieving both economic and environmental benefits Lowquality coal is often added to elevate the calorific value of the fuel In this paper, the combustion characteristics as well as pollutant emissions (SO2 and NO) of coal gangue, lowquality coal and their blends Cocombustion and emission characteristics of coal gangue and
coal gangue 英中 – Linguee词典
大量翻译例句关于"coal gangue" – 英中词典以及8百万条中文译文例句。2023年1月1日 Emission of toxic gases like CO, SO 2, H 2 S, Hg, Pb and benzopyrene restricts coal gangue burning [3], [4] In Construction industryone of the most common ways of using this coal gangue was disposal through brick manufacturing, concrete blocks, and other low valueadded building materials[5], [6]Influence of coarse coal gangue aggregates on properties of Figure22 Life cycle external environmental cost of coal 2% 24% 3% 9% 16% 43% COST IN COAL PRODUCTION 2186B CNY Waste water pollution Health damage for coal mining workers Gangue burning Gangue storage land use Gangue soil damage Underground water damage Water and soil runoff Land subsidence Local people emigration Loss of biodiversityThe External Environmental Cost of Coal EF China2024年11月14日 Impacts of Coal Burning on Ambient PMlt;subgt;25lt;/subgt; Pollution in China; OxyCoal Combustion Fly Ashes: Leachability of Inorganic Trace Contaminants; Thermogravimetric analysis for the characterization and comparative analysis of polyvinyl chloride ( Mathematical Models and Optimization of Dynamically Admeasuring CoalAir and oxyfuel combustion characteristics of coal gangue and
MultiArm Global Cooperative Coal Gangue Sorting Method
2022年10月19日 Coal gangue accounts for about 15% of coal content, and burning it produces harmful substances and affects the efficiency of coal combustion The coal gangue sorting process requires the mechanical arm to grab only one gangue at a timeIn order to comprehensively utilize coal gangue, we present fluidized calcination as a new thermal technology for activating coal gangue and systematical study was conducted in comparison with static calcination The calcined products Investigation on Calcination Behaviors of Coal Gangue 2019年11月16日 In order to improve the utilization level of coal gangue resources, nonburning bricks had been prepared in this work with coal gangue in Fushun area as water 10%, molding pressure 20 MPa, curing at room temperature for 28 days The obtained coal ganguebased bricks were in compliance with the MU15 standard of JC/T 422—2007 Preparation and Mechanical Properties of Nonburning Bricks with Coal 2024年1月18日 Coal gangue production of cement Cement production from coal gangue requires “two grinding and one burning”; that is, the coal gangue is combined with a certain proportion of limestone, ground into fine materials, Coal Gangue: Composition, Processing, Use And
Preparation of technosol based on coal gangue and its impact on
2024年8月15日 Coal gangue is generally not the main material used, and its usage often falls below 50% (Du et al, Burning of coal waste piles from Douro Coalfield (Portugal): petrological, geochemical and mineralogical characterization Int J Coal Geol, 81 (2010), pp 3593722022年12月8日 Fouling and slagging are intractable ashrelated problems for boilers burning highsodium coals (HSC) to produce electricity or heat Reduction and resource utilization of solid waste, coal gangues, is urgent because of stringent environmental regulations and economic benefits Based on the sodiumrich character of Zhundong coal (ZDC) and the mineralogical CoFiring Zhundong Coal with Its Gangue: Combustion 2024年12月1日 Coal gangue is a black solid waste generated during the extraction and refinement of coal resources (Luo et al, 2020) that is increasingly being accumulated at mining sites in China due to the increasing coal production (Li et al, 2019; Zhu et al, 2022)Data indicate that the total accumulation of coal gangue associated with coal production in China has The use of coal gangue as a planting substrate in arid mining areas2022年11月1日 The mechanical properties and strength formation mechanism of cement–flyashstabilized slag–coal gangue mixture were examined using an unconfined compressive strength test, splitting strength test, triaxial test, and scanning electron microscopy to solve the limitations of land occupation and environmental pollution that is caused by fly ash from the Mechanical Properties of Furnace Slag and Coal Gangue Mixtures
The Influence of CO 2 Curing on the Properties of Coal Gangue
2024年6月27日 Coal gangue is a solid waste, which can cause serious pollution of the atmosphere and water sources due to its longterm accumulation In this article, the influence of CO2cured coal gangue on the slump flow, the mechanical strengths, the thermal conductivity coefficient, the chloride ion permeability, the water resistance coefficient and the leached Pb of 2021年7月7日 In the process of coal gangue surface accumulation and underground filling disposal, the heavy metals contained in coal gangue will inevitably precipitate out and migrate, which will cause serious environmental pollution Seventyfive gangue samples of different geological ages are obtained from 25 coal mines in China The contents of Hg, Pb, Cd, Cr, As, Explanation of heavy metal pollution in coal mines of china from 2022年12月5日 Coal gangue is the main solid waste in coal mining areas, and its annual emissions account for about 10% of coal production The composition information of coal gangue is the basis of reasonable utilization of coal gangue, and according to the composition information of coal gangue, one can choose the appropriate application scene The reasonable utilization Rapid Analysis of Composition of Coal Gangue Based on Deep 2019年10月1日 The experiments of cofiring of straw with coal have been conducted on the 400 t/h very highpressure power station boiler to test its economy and emission characteristicsOrthogonal experiment analysis of coal gangue and corn straw
Emission characteristics of volatile organic compounds from coal, coal
2016年10月1日 The weight fraction of Ethyne, one of the longestlived VOCs and usually used as biomass burning tracers (Scheeren et al, 2003), in the flue gas of biomassfired power plant (936%) was much higher than coalfired power plant (018%) and coal ganguefired power plant (053%), which implies Ethyne also could be used as the tracer of biomassfired power plant2023年8月1日 The construction of authentic 3D thermal infrared models for coal gangue pile fires is currently insufficient Teodoro et al [49] performed an environmental impact assessment for a selfburning coal gangue pile in São Pedro da Cova Mine using a UAV equipped with a thermal infrared sensor, and constructed a 2D terrain surface temperature model3D thermal mapping of smoldering coal gangue pile fires using 2024年3月13日 Coal gangue (CG), an industrial solid waste with high contents of Li and Ga, has attracted the attention of researchers However, the utilization of CG remains an economic challenge Preenrichment of Li and Ga by flotation was carried out with a view to improving the comprehensive utilization of CG Mineral composition, timeofflight secondary ion mass Separation and Recovery of Valuable Carbon ACS Publications2024年9月1日 Coal gangue identification using laser speckle technology has advantages like ease of implementation, quick recognition, and costeffectiveness Still, it is sensitive to light and can be obstructed by Long Flame Coal: High volatile content: When burning, the flame is longer, releasing more smoke and gas Black, less glossy: Gas Research and prospect of underground intelligent coal gangue
CoFiring Zhundong Coal with Its Gangue: Combustion
Sustainability 2022, 14, 16451 3 of 14 2 Experimental 21 Materials A coal and coal gangue sample collected from Zhundong region were used as fuels and denoted as ZDC and ZDG, respectively2023年12月1日 Cofiring of coal gangue and weathered coal may help the burning of coal gangue in CFBC Moreover, growing concern about greenhouse gas emissions necessitate an investigation into alternative technologies for reduction of CO 2 emissions from power plants [9]Air and oxyfuel combustion characteristics of coal gangue and 2021年6月30日 Coal gangue has a potential to be used as fuel in a circulating fluidized bed boiler However, there are few studies on it in South Korea In this study, the combustion characteristics and kinetics of coal gangue were investigated by thermogravimetric analysis at different heating rates (20, 30, and 40°C/min) under air atmosphereAn Experimental Study on the Combustion Kinetics and Ash 2024年7月12日 Coal gangue (CG), which accounts for about 10–20 % of coal output, is a kind of solid waste generated during the coal mining and washing processes As shown in Fig 4, largersized, low crushing value and low burning loss CG with insufficient activity could be utilized through relatively simple processes, Review Highcapacity utilization of coal gangue as supplementary
Investigation on combustion performance and ash fusion
2021年6月1日 In this study, the combustion characteristics of Zhundong coal (ZC), coal gangue (CG) and the ZCCG blends with 10, 20, 30, 40 and 50% CG were investigated using a thermogravimetric analysis (TGA)