The Indian coal mining industry has witnessed a persistent decline in under-ground coal production over the years with more emphasis on opencast mining. The trend of coal production from mines (both surface as well as underground) of Coal India Ltd. (CIL), the single largest coal producer of India, from 1974–75 toWeb
Dragline mining is the most cost-effective technology for the bedded deposits and is the first-choice technology for large opencast mining.Total of 32 draglines are in use in Coal India Ltd. of which maximum no. of 23 are in NCL. Purchase Orders for 5 nos. 24/96 Dragline amounting to Rs 2400 CroresWeb
2. Underground Coal Mining Technologies 2.1. Present Technologies 2.1.1 Semi Mechanized Methods: Currently, most of CIL mines using Bord & Pillar remove coal from the face by blasting & deploy SDL or LHD for loading and transportation of coal in the …Web
2Assistant Professor, Indian Institute of Technology ( Indian School of Mines), Dhanbad, India -----***-----Abstract - Thick seams are nearly 40% of proven Indian coal reserves and their extraction by underground mining methods are ever posing technical challenge for Indian mining engineers. The Blasting Gallery method, Multi-slicing LongwallWeb
To avoid locking in further coal-based steelmaking capacity for decades, some technology switching to DRI-electric arc furnace (EAF) processes will be required before then. Potential new DR-grade iron ore capacity by 2030 ranges from 40 million tonnes per annum (Mtpa) to an optimistic high of 100Mtpa. Unless technology innovations allow …Web
Mining companies will be required to carry out re-grassing in the mined-out areas to make them suitable for the growth of flora and fauna once the mining activity is complete, as directed by the Indian government's environment ministry. The direction of the Ministry of Environment, Forest and Climate Change (MoEFCC) came after a Supreme …Web
Selection of a suitable mining method for extraction of a thick coal seam with optimal recovery and safety is an extremely delicate process. An access to international …Web
While the coal production from underground mining in countries like China, USA and Australia are about 95, 33 and 20% respectively, India produces only about 15% of coal from underground mines (Prasad 2009). Of the total output of coal from underground mines, more than 90% of coal is obtained by the bord and pillar method, the predominant ...Web
But, adoption of mining technology is site specific and needs proper R&D ... This strategy of coal production also found suitable for the Indian coal mining industry becauseWeb
Coal is the most important and abundant fossil fuel in India. Coal-fired power plants meet 72% of India's electricity demand. Presently India is the second largest producer of coal in the world after China. India had a total coal reserve of 344.02 billion tons the total lignite reserve stands on 46.02 billion tons. Commercial primaryWeb
India's drive to scale underground coal mining capacity is a complex interplay of cost management, technology adoption, policy support, and workforce development. The outcome of this bold move will have significant implications for India's economy, its coal industry's competitiveness, and environmental mining practices.Web
In January this year, the Union Power Ministry had said that India would need 615 million tonnes of coal in 2018-19 and that would require state-run Coal India Limited (CIL) to send average 288 rakes per day through railways. However, according to Coal Ministry data, average overall loading has been 270.8 rakes per day as on October …Web
The continuous miner as used in coal mining is a machine capable of breaking, loading, and transferring coal from the seam being extracted on to a suitable transportation system in an almost ...Web
India relies heavily on coal-based thermal power plants to meet its energy demands. Sulphur dioxide (SO2) emitted from these plants and industries is a major air pollutant. Analysis of spatial and temporal changes in SO2 using accurate and continuous observations is required to formulate mitigation strategies to curb the increasing air …Web
The technology of coal mining has gone through continual evolutions and several revolutionary changes which transformed the methods, equipment, and productivity over the decades. In recent years, advances in technology focused more on the use of communication systems, automation, and data sciences for the health and safety of the …Web
Primary data collection was also done. The insights on emerging technology adoption and challenges faced in the Indian mining industry were captured by in-depth interviewing of subject matter experts.Web
In India, the opencast mines being a major source of coal production, the ratio of waste generated is much higher than the underground operation due to stripping nature of extraction . In China, about 95% of the total coal output comes from underground coal mines that generate 727.5 million tons of coal mining waste (CMW) annually .Web
ORC by far is the most suitable technology for this low-grade waste heat recovery. ... natural gas and oil-based. In India, almost 60% of thermal power plants are coal-based. Due to an abundant supply of coal in eastern India, most of the thermal power plants are situated in the Eastern Indian states like West Bengal, Orissa and Jharkhand ...Web
The Future of Intelligent Mining: Reconstructing Information Infrastructure and Unifying Standards. Energy is the foundation and driving force behind societal and technological development across the world, acting as the backbone of the economy, individual livelihoods, and human survival in general. In China, specifically, given coal is …Web
This paper presents latest technological innovations applicable for in mining industries with emphasis on mechanisation in coal mining industry. Latest Exploration and Survey …Web
The technology of coal mining has gone through continual evolutions and several revolutionary changes which transformed the methods, equipment, and …Web
The application of continuous miners in India coal mining could be a good choice for the improvement of coal production and productivity. ... The continuous miner technology (CMT) is being adopted extensively in underground coal mines of India as Mass Production Technology (MPT). ... whereas opencast method is suitable for shallow coal seams ...Web
Coal Production and dispatch . the year 2022 (up to November, 22), all India Coal production (CIL, SCCL & Captive mines) is 779.108 MT (Provisional) and Coal off take is 781.973 MT …Web
M.K. Ghose. S.R. Majee. Indian coal consumption is about 5.5% of the world and the share of coal as energy went up to 66%. The increasing trend of opencast coal mining lead to release of dust and ...Web
The longwall is the most suitable candidate for mass production technology given the fact that about 50% of the underground coal production comes …Web
Adoption of highly mechanised underground mining technologies may play a leading role to meet the challenges of Indian underground coal mining industry. But, adoption of mining technology is site ...Web
Adoption of highly mechanised underground mining technologies may play a leading role to meet the challenges of Indian underground coal mining industry. But, adoption of mining …Web
CAC method, the latest technology that prevents the dust to disperse along the roadway, is adopted in mines to reduce respirable dust levels and thereby lessens the chance of coal dust explosion. This technology has already been established by the NIOSH, Pittsburgh for the US mines, and may be adopted in developing countries like …Web
Coal Production and dispatch . the year 2022 (up to November, 22), all India Coal production (CIL, SCCL & Captive mines) is 779.108 MT (Provisional) and Coal off take is 781.973 MT (Provisional).Coal dispatch to Power Sector is 662.562 MT (Provisional). the year 2022 (up to November, 22), E-Auction by CIL and SCCL is 56.45 MT.; Production …Web
G-1 represents the best category of non-coking coal suitable for thermal power plants to generate electricity having maximum heating value. ... 0.5 mm. However, the problem lies with the treating of fine coal fraction having particle size finer than 0.5 mm. The mining techniques adopted in the present days further aggravate this problem ...Web