Northern Coalfields Limited

It is a wholly owned subsidiary of Coal India Limited, under the Ministry of Coal, Government of India and Mini Ratna (Category-I) company since 2007. ... there are 10 numbers of opencast mines where coal (sub-bituminous coal, i.e. non-coking coal in the range of grades G5 to G-13) is produced by (i) Shovel-Dumper combination and (ii) …

Manuguru IV Coal Mine

Background on Mine. The Manuguru Opencast-IV Coal Mine Project has a capacity of 3.5 MTPA capacity over an area of 734.60 Ha. The mine is operated by Singareni Collieries Company Limited, a subsidiary of Coal India, in village Manuguru, Mandal Bhadradi, District Bhadradri Kothagudem, State Telangana, India.

Identification of safety hazards in Indian underground coal mines

As of 1.4.2017, the geological exploration carried out by various agencies like the Geological Survey of India, Central Mine Planning and Design Institute, India, proved that there are 315.149 billion tonnes of geological coal reserves at up to 1200 m depth in India. Coal mining is carried out by both opencast and underground mining methods.

(PDF) Underground and Opencast Coal Mining Methods in India…

Coal Production from opencast mines in India (FY 1998-99 to 2016-17) Source: Coal Directory of India, FY 1998-99 to 2016-17 Output Per Man Shift (OMS) of UG and OC mining methods under CIL.

(PDF) Particulate matter pollution in opencast coal mining …

In comparison to underground mines, opencast coal mines give higher production due to the large-scale operations and use of high capacity and heavy machines. hese machines sometimes generate huge quantities of PM leading to enhanced pollution levels in and around opencast coal mines. his PM includes the raw material mined and particles …

MINISTRY OF LABOUR AND EMPLOYMENT …

160 THE GAZETTE OF INDIA : EXTRAORDINARY [P ART II—SEC. 3(i)] MINISTRY OF LABOUR AND EMPLOYMENT ... mine not being an open cast working in which the rate of emission of inflammable gas per tonne ... plant, equipment, appliance or substances for use in coal mines; (zn) "material" includes coal, stone, debris, or any other material; ...

Quantification of Benefits of Technology Roadmap for …

Storage and transportation of hydrogen is more complex than that required for fossil fuels. Hydrogen is a highly flammable fuel source, which brings understandable safety …

Dump Slope Stability Rating and Risk Assessment in Opencast Coal Mines

In Indian scenario, majority of large opencast coal mines are facing overburden dump stability problems (dump slide) as it results in loss of production, extra stripping cost to remove land slide material, reforming overburden dump benches, diversion of haul roads, production delays and sometimes loss of human lives and heavy earth …

Online coal dust suppression system for opencast coal mines

Coal is the major source of power in India and world over. Coal mining is an essential industry which has a major role in the economic development of the country. Most major mining activities contribute directly or indirectly to air pollution. Coal dust is a major air pollutant which affects the personal working in the mines and also people residing in …

Coal mining

Coal mining - Underground, Surface, & Drilling: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are …

Energy performance of loading and hauling operations …

material handling in opencast mines using shovel- truck combination. The transportation network of mine includes a fleet of dump trucks moving between crushers/dumping …

INNOVATIONS OF DEEP OPENCAST MINING …

The Coal vision 2025 of India estimates that the total domestic coal production is projected to increase to 1086 MT in 2025, of which the opencast production will be 902 MT (83%). In...

Ministry of Coal, Government of India

In mining, overburden (also called waste or spoil) is the material that lies above an area that lends itself to economical exploitation, such as the rock, soil, and ecosystem that lies above a coal seam or ore body. In many mineral industries, like coal industry, in open cast mines, coal can be extracted only after removing layers of soil, stone etc.

Quantification of Benefits of Technology Roadmap for …

2. Opencast Mining 2.1. Alternative fuel Technology 2.1.1. Use of LNG in HEMM: Qualitative Benefits Non-toxic and non-corrosive, resulting in less pollution.

Design of Haul Roads in Open Cast Mines in …

About 80% of total mining in India is carried out in coal sector through open cast mines where heavy dumpers are plying on the haul …

Energy performance of loading and hauling operations …

and Fig 1b. From the Fig. 1a, dump trucks consume about 56% of total diesel consumed in opencast mine. Dumper 56% Dozer 24% Drill 3% Hyd. Backhoe 8% Water Tanker 5% Grader 2% Cranes & TH 0.47% Misc.(Light vehicles) 1% Dumper Dozer Drill Hyd. Backhoe Water Tanker Fig 1a Diesel consumption profile in opencast mine of SECL Fig 1b …

Coal mining

Safety and Hazards Dangers to miners. Coal mining is dangerous activity and the list of mining disasters is a long one. In the US alone, more than 100,000 coal miners were killed in accidents in the twentieth century, 90 percent of the fatalities occurring in the first half of the century. More than 3,200 died in 1907 alone. Open cut hazards are …

CONDITIONS OF HAUL ROADS IN COAL MINES

COAL-MINES. HAUL ROAD STANDARDS IN OPENCAST COAL MINES. (1) All roads for trucks, tippers, dumpers or other mobile machinery shall be constructed to suit their load …

HIGH ANGLE CONVEYOR AND ITS APPLICABILITY IN …

OPENCAST COAL MINES IN INDIA SUBHASH CHANDRA SHIL High Angle Conveyors (HAC) is a new technological marvel in Transportation of Bulk material. It can be suitably used in large deep opencast mines. The present paper has attempted to give the overview of HAC with its different types, different application areas. The most useful HAC i.e.

Slope Failures in the Opencast Coal Mines of Wardha Valley …

Wardha Valley Coalfield (WVC) is a NW–SE elongated structural basin with its coal bearing zone spreading over an area of 800 sq km along a length of 116 km situated towards the south of the city of Nagpur in the central region of India (Fig. 1).This coalfield has around 40 opencast coal mines, which are largely of medium scale type …

OPENCAST COAL MINING AT LARGE DEPTH IN INDIA

In India, around 92% of the coal is produced by opencast mining method (Table 1). If domestic coal production continues at 5% increasing rate, the extractable …

OPENCAST COAL MINING AT LARGE DEPTH IN …

Open cast coal mining involves various operations e.g overburden removal, drilling, blasting, mineral loading, haulage and unloading that generate particulates due to various mechanisms.

Environmental Impact Assessment through Integrated Approaches in a Coal

In India, coal mining is conducted using two methods: underground and opencast methods. The underground method is suitable for extraction of deeper coal seams, whereas opencast method is suitable ...

Design of Haul Roads in Open Cast Mines in India—A

About 80% of total mining in India is carried out in coal sector through open cast mines where heavy dumpers are plying on the haul roads. Mine haul roads have witnessed an enormous increase in traffic density as well as hauling payloads in the recent past due to increase in coal mining activities. In the Indian scenario, the majority of …

Performance Analysis of Heavy Earth Moving Machineries (HEMM…

Open cast mining in the today's world has cyclic reappearance with prominent role in to mining sphere. ... (Atlascapso) Dumper :A dumper or dump truck is a truck used for transporting loose material such as coal,ore,overburden,top soil for mining and sand, gravels, or soil for constructions. ... P&H) 2.5 MINING EQUIPMENT INDUSTRY IN …

Assessment and modelling of dust concentration in an opencast coal mine …

Surface mining operations such as top soil removal, drilling, blasting, loading, transport of material, and unloading emit huge amount of particulate matter (PM) to surrounding atmosphere (Sastry ...

CMR-2017 NOTES ON EXPLOSIVE AND SHOTFIRING CHAPTER | Mine

Comprehensive notes on Chapter 14(Explosives and Shotfiring) of CMR 2017Chapter 14 of Coal Mines Regulations, 2017 deals with provisions regarding Drilling and Blasting. In this blog, notes are made by compiling the respective DGMS Circulars for better understanding and quick revision for important exams. An attempt is made to …

ASSESSMENT AND MODELLING OF DUST …

Dust generation and its dispersion has been the major concern in open cast mines. Major mining activities in deep open pit coal mines range from exploration to the processing of end product that primarily contribute particulate matter (PM), dominantly PM 10 leading to the problem of air pollution and related health hazards.

Draft Technology Roadmap for Coal Sector

opencast mines with flatter gradients. In pit crushing of coal is generally found to be economical in high-capacity opencast mines where reasonable lead distance and lifts …

Explained: Why Underground Coal Mining In India Needs A …

On top of that, most of the underground mines in India were of the era when opencast was not in vogue. These mines are barely 150-200 metres deep and barely 25 percent of the reserves are extracted through the board and pillar method. Today opencast mines can recover 90 percent of reserves located up to 350 metres below the …