MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Tangshan Huaguang Coal Mine Comprehensive Use 6 Sets of Switches Instructions
Integrated green mining technology of “coal mininggangue
2021年8月24日 According to three under coal mining, underground gangue treatment, surface construction, and environmental protection in Tangshan Mining Branch of Kailuan (Group) Co, The integrated coal mining in seams 5, 8, and 9 of Tangshan Mine showed that the four backfilling surfaces of T3281, T3292, F5001, and F5002 recovered 946,000 t of raw coal and 118 million Integrated green mining technology of "coal mininggangue Underground coal and gangue washing and in situ backfilling are effective ways to realize safe and efficient mining and coordinated development of environment At present, relevant Integrated green mining technology of “coal mininggangue 2022年1月7日 The mining engineering of Tangshan mine showed that the “mining, dressing, backfilling, and controlling” technology solves the problems of gangue discharge, construction Monitoring and measurement analysis of key indexes for the
Technology of Coal Seam Long Borehole Blasting and
Taking the reproduction of Tangshan coal mine 0291 panel as the engineering background, this paper adopts the coal seam blasting pressure relief method during roadway development and 2021年8月17日 Tangshan mine, with a field area of 3728 km 2 and a mining area of 55 km 2, is located in Lu’nan District, Tangshan City, Hebei Province It is the only stateowned mega coal Analysis of the Control Effect and Parameter Optimisation of 2022年1月7日 The mining engineering of Tangshan mine showed that the “mining, dressing, backfilling, and controlling” technology solves the problems of gangue discharge, construction Monitoring and measurement analysis of key indexes for the 1987年1月1日 The Tangshan earthquake of 1976 cost 242 000 lives and was responsible for 164 000 serious injuries and structural damage of immense proportion The area has eight Performance of underground coal mines during the 1976
Research and practice of intelligent coal mine technology systems
2022年4月15日 The toplevel architecture of 5G+ intelligent coal mine systems combines intelligent applications such as autonomous intelligent mining, human–machine collaborative 2016年12月1日 To facilitate the use of coal in an environmentally satisfactory and economically viable way, clean coal technologies (CCTs) are necessary This paper presents a review of Clean Coal Technologies in China: Current Status and Future In Tangshan Mine, there are four engineering problems, including the layout of multiple seam mining system, serious environmental damages caused by gangue accumulation and surface collapse, nearly 100 million tons of three under coal (coal trapped under buildings, water bodies, and railways) to be r Integrated green mining technology of "coal mininggangue 1987年1月1日 Earthquake Damage in Coal Mines Of the eight underground coal mines in the TangshanLuanhsien area, one the Tangshan Mineis located in the southern part of the city The other mines are located to the east and northeast of the city The coal seams at Figure 2 A typical drift in the Fankechuang coal minePerformance of underground coal mines during the 1976 Tangshan
Research on the causal mechanism of a rock burst accident in a
2023年12月15日 Based on the disaster characteristics and the geoconditions at the scene, in this study, the occurrence mechanism of a serious rock burst accident that occurred in the Tangshan Coal Mine, China 2020年7月6日 The history of coalfield geology and mine geology IT applications is over 30 years, which is gaining remarkable achievements This paper sheds light on the development of geological and surveying spatial management information systems Specifically, this study proposed the development trend, system structure and function design and subsystems of the Development of coal geological information technologies in China 2023年11月28日 In the process of coal mining, prevention and control of water hazard is essential It is the precondition for water hazard control to detect and determine the distribution of underground waterconducting channels In urban environments, traditional methods such as active source seismic exploration and transient electromagnetic exploration commonly used in Comprehensive exploration approach of coal mine water 2021年8月16日 An online evaluation method of coal mine comprehensive level based on Fuzzy Comprehensive Evaluation method (FCE) is proposed Firstly, following the principles of fairness, systematicness and hierarchy, taking research and development, production, sales, finance, safety and management as the first level indicators, a set of multilevel evaluation indicator Online evaluation method of coal mine comprehensive level based
IoT and LoRa based smart underground coal mine monitoring
2023年6月18日 Underground coal mine environment is hazardous and accident prone The present work proposes an internet of things (IoT) based smart under ground mine monitoring system at the excavation site The developed system establishes a communication link to enable data transmission between underground smart devices and above the ground monitoring 2023年5月30日 Coal was first used in China for ornaments starting about 6000 years ago Its use as fuel for households and light industry began about 2000 years ago, but coal production and consumption remained low until the end of the nineteenth century due to weak industrialisation Thereafter, a series of political events drove progressive industrialisation that The story of coal in China: from ornaments to critical Springer2019年8月8日 Yuanbaoshan openpit coal mine is located 35 km northeast of Chifeng City, Inner Mongolia Autonomous Region, China, as shown in Figure 1 The main coal seams in the mine are large in thickness, shallowly buried, and there are many production mines and small coal pits nearby There are five closed small coal mines in the first mining areaApplication of Comprehensive Geophysical Prospecting Method 2024年8月19日 The deep integration of computer field and coal mining field is the only way to coal mine intellectualization A variety of artificial intelligence tools have been applied in openpit and shallow coal mines However, with the geometric increase of coal demand, the contradiction between supply and demand is becoming more and more serious, and the exploitation of Application of artificial intelligence in coal mine ultradeep
World Energy Needs: A Role for Coal in the Energy Mix
2017年10月2日 Coal is a critical enabler in the modern world It provides 41% of the world's electricity and is an essential raw material in the production of 70% of the world's steel and 90% of the world's cement 2 Fossil fuels today provide 2012年3月13日 Background of the development and achievement on sets equipment technologies for coal mine longwall face in China was reviewed initially On the theoretical side, a coupling model of hydraulic support and surrounding rock, support parameters optimization and threedimensional (3D) dynamic design method were presented On the practical side, this New development of sets equipment technologies for coal mine 2022年4月15日 This study considered the role of coal as China’s basic energy source and examines the development of the coal industry We focused on the intelligent development of coal mines, and introduced the “Chinese mode” of intelligent mining in underground coal mines, which uses complete sets of technical equipment to propose classification and grading standards In Research and practice of intelligent coal mine technology systems 2018年6月19日 21 Geology of Tangshan coal mine Tangshan coal mine is located in Tangshan of Hebei Province in China The entire mine has a total of eight workable coal seams, among which the No 5 and No 9 coal seams are workable fieldwide After a century of mining, excavation of the No 5 coal seam is basically complete, resulting in large excavated Mininginduced stress distribution of the working face in a
Chemical Characteristics and Utilization of Coal Mine Springer
2014年3月22日 The growing demand for water in China’s coalproducing regions requires enhanced coal mine drainage (CMD) utilization Mine water quality was analyzed for 269 mines distributed in 11 of China’s large coalproducing regions We found that China’s CMD can be broadly characterized as: slightly contaminated, acidic, high salinity, high sulfate, high fluoride, 2021年1月5日 Previously proposed discriminant methods cannot accurately identify water sources in a complex multiaquifer mine Based on statistical analysis of the water chemistry of samples collected at the Xinji no 2 multiaquifer coal mine, a comprehensive stepwise discriminant method was proposed for this purpose Characteristic ion contrast and ion proportional Water Source Discrimination in a Multiaquifer Mine Using a 2016年1月1日 But the fund to restore large, stateowned enterprises, such as Kailuan Coal Mine, Tangshan Steel Corp, Railway Systems, Mailing Systems, etc, would be collected from other channels In March of 1978, the reconstruction headquarter of Tangshan City was established to take charge of planning, design, construction, land use claim, relocation, Tangshan, China (1976 Earthquake) SpringerLink2022年10月14日 With China’s attention to mine accidents and the improvement of coal mechanization, the incidence of coal mine accidents has decreased, but coal mine production disasters still occur []At the same time, with the increase of coal mining depth and the significant increase in technical difficulty of coal mine disaster prediction, coal mine safety evaluation is Comprehensive Evaluation Model of Coal Mine Safety under the
A hybrid decision model and case study for comprehensive
2022年2月22日 21 Establishment of evaluation index system The evaluation index system (Fig 3) was established based on the review of existing literature and the Basic Conditions of Green Mine ConstructionA mine that satisfies the requisites of better environmental protection, pollution control, comprehensive use of resources and energy, advanced technology, and culture that 2022年2月1日 Noise exposure in the special working environment of an underground coal mine has the characteristics of a loud sound source, high intensity, high sound level, and wide frequency bandwidth (Shang et al, 2019)In the process of coal mining, there are both shortterm (eg, blasting, etc) and longterm noise exposure (eg, coal cutter and fan working, etc)Quantification study of working fatigue state affected by coal mine In order to effectively utilize the underground space consisting of the closed/abandoned coal mine's void area and the main infrastructure underground, the United States, Belgium, Germany and other European and American countries have built natural gas storage and coal mine museums in the closed/abandoned coal minesGeomechanical challenges in the process of comprehensive 2019年4月1日 The concentrations, bioavailability, distribution, and sources of heavy metals in soils of a typical region from coal industrial city of Tangshan, North China, were investigated A total of 240 surface (0–20 cm) and subsurface (2040 cm) soil samples were collected and analyzed for the heavy metals of mercury (Hg), lead (Pb), cadmium (Cd), zinc (Zn), copper Levels, sources, and spatial distribution of heavy metals in soils
Seismicity and velocity structure of the 2020 Ms 51 Tangshan
2022年2月8日 The TangshanGuye fault is active inside the diamond block in Tangshan, whose southeast is a coal mine that is bounded by the NNE Xujialou deep fault This fault absorbs the block’s leftlateral shear force couple, thereby diverting the leftlateral shear stress on some NW faults, such as the Baiyunshan fault, the Mozhouyu fault, and the ZhenzizhenZhaogezhuang 2022年1月18日 At present, considerable research has been conducted on the evaluation of water abundance in mine aquifers Commonly employed evaluation methods include three categories: geophysical methods, hydrogeological tests, and multifactor comprehensive analysis methods [15–17]Among these methods several problems exist, eg, the geophysical Water Abundance Comprehensive Evaluation of Coal Mine 2023年4月11日 Filling mining is the main mining method in coal mine, and its safety is the pillar of the overall safety of the mine Filling mining can effectively protect the surface environment, better solve the problem of ground pressure, and maximize the recovery of underground resources Therefore, this method has an irreplaceable role in deep mining of coal mines and A safety assessment model of filling mining based on comprehensive 2017年5月1日 All boilers in this CFPP before 2018 are PC boilers as aforementioned and feed by the same type of coal, which produced from the local KaiLuan coal mine, a very big coal mine in Tangshan city that operated since 1878 and was the cradle of the China's coal mining industry (Li et al, 2017), and the APCDs installed among different units were identical for the same Tangshan—China's one time industrial pioneer striving for
Inspection Robots in Hard Coal Mines SpringerLink
2016年12月1日 Traction testing was carried out by mine rescuers in mining excavations, where the robot covered a distance of approx 250 m, overcoming a ramp of 30° incline, a relatively powder surface of the tunnel (loose rocks on which the vehicle’s wheels were sometimes spinning), a mine railway tracks, switches and other typical obstacles for a mine infrastructure 2024年8月28日 To investigate the HWFZ of Cuimu coal mine, comprehensive in situ monitoring procedures Table 372 The selected 26 sets of samples from northwestern mines Full size table Fig 374 Relationships between factors and HWFZ Full size image Fig 375 In Situ Monitoring and Predicting the Height of WaterConducting 2021年1月5日 We analyzed the regional nature of China’s coal mine water disasters based on three aspects: the main water source, waterconducting passages, and threat level of water hazards The development of water hazard control technology in China’s coal mines, including exploration and assessment of hydrogeological conditions, water inrush mechanisms, and Evolution of Water Hazard Control Technology in China’s Coal 2019年6月24日 We are facing the water shortage crisis To realise sustainable development, we should improve wateruse efficiency (WUE) In this study, a cloud–compound fuzzy matter element–entropy combined model was constructed to evaluate WUE The Huai river basin (HRB) was selected as the study area The cloud model was used to select some indices and build Comprehensive evaluation of wateruse efficiency in China’s Huai
Integrated green mining technology of "coal mininggangue
In Tangshan Mine, there are four engineering problems, including the layout of multiple seam mining system, serious environmental damages caused by gangue accumulation and surface collapse, nearly 100 million tons of three under coal (coal trapped under buildings, water bodies, and railways) to be r 1987年1月1日 Earthquake Damage in Coal Mines Of the eight underground coal mines in the TangshanLuanhsien area, one the Tangshan Mineis located in the southern part of the city The other mines are located to the east and northeast of the city The coal seams at Figure 2 A typical drift in the Fankechuang coal minePerformance of underground coal mines during the 1976 Tangshan 2023年12月15日 Based on the disaster characteristics and the geoconditions at the scene, in this study, the occurrence mechanism of a serious rock burst accident that occurred in the Tangshan Coal Mine, China Research on the causal mechanism of a rock burst accident in a2020年7月6日 The history of coalfield geology and mine geology IT applications is over 30 years, which is gaining remarkable achievements This paper sheds light on the development of geological and surveying spatial management information systems Specifically, this study proposed the development trend, system structure and function design and subsystems of the Development of coal geological information technologies in China
Comprehensive exploration approach of coal mine water
2023年11月28日 In the process of coal mining, prevention and control of water hazard is essential It is the precondition for water hazard control to detect and determine the distribution of underground waterconducting channels In urban environments, traditional methods such as active source seismic exploration and transient electromagnetic exploration commonly used in 2021年8月16日 An online evaluation method of coal mine comprehensive level based on Fuzzy Comprehensive Evaluation method (FCE) is proposed Firstly, following the principles of fairness, systematicness and hierarchy, taking research and development, production, sales, finance, safety and management as the first level indicators, a set of multilevel evaluation indicator Online evaluation method of coal mine comprehensive level based 2023年6月18日 Underground coal mine environment is hazardous and accident prone The present work proposes an internet of things (IoT) based smart under ground mine monitoring system at the excavation site The developed system establishes a communication link to enable data transmission between underground smart devices and above the ground monitoring IoT and LoRa based smart underground coal mine monitoring 2023年5月30日 Coal was first used in China for ornaments starting about 6000 years ago Its use as fuel for households and light industry began about 2000 years ago, but coal production and consumption remained low until the end of the nineteenth century due to weak industrialisation Thereafter, a series of political events drove progressive industrialisation that The story of coal in China: from ornaments to critical Springer
Application of Comprehensive Geophysical Prospecting Method
2019年8月8日 Yuanbaoshan openpit coal mine is located 35 km northeast of Chifeng City, Inner Mongolia Autonomous Region, China, as shown in Figure 1 The main coal seams in the mine are large in thickness, shallowly buried, and there are many production mines and small coal pits nearby There are five closed small coal mines in the first mining area2024年8月19日 The deep integration of computer field and coal mining field is the only way to coal mine intellectualization A variety of artificial intelligence tools have been applied in openpit and shallow coal mines However, with the geometric increase of coal demand, the contradiction between supply and demand is becoming more and more serious, and the exploitation of Application of artificial intelligence in coal mine ultradeep