accounting for over burden removal in opencast coal mines

CoalNet | Coal Mine & Energy

Jun 02, 2020· For MCL, overload removal is assumed to be even more important as almost all of its output is produced by open-cast mining. During 2019-20 MCL produced 140.36MT of coal, of which 139.52MT was produced by opencast means, i.e. 99.4%.

machines in opencast mining - alphateplo.cz

FAM Opencast Mining Technology – Machines for Global Mining. Opencast Mining Technology. In the area of opencast mining technology, FAM Förderanlagen Magdeburg offers an impressive selection of various machines and systems, such as bucket wheel excavators for extraction of mineral deposits like lignite, hard coal, overburden, marl.

[PDF] Analysis of Accidents Due to Slope Failure in Indian ...

Opencast mining operation involves removal of bulk quantities of overburden, dumping and backfilling in excavated areas. A phenomenal increase in the share of opencast production (93%) in Indian coal industry has resulted into significant problem of waste dumps at present with greater height of the dump constructed over minimum area and giving rise to increasing danger of dump failures.

Life cycle assessment of opencast coal mine production: a ...

Jan 06, 2018· Yimin opencast coal mine is the first large-scale coal joint venture in China, and it is also one of the five largest opencast coal mines, with an area of 99.28 km 2 and a production of 21 million tons per year. The coal is lignite in this mining area, and the semi-continuous comprehensive mining technology is used.

Project | Technoblast

The company is engaged in opencast mining operation under MDO contract in Iron ore deposit located at Kanker district of Chhatisgarh with an guaranteed quality (+65%Fe) ore delivery. It includes Mine Planning, Excavation, Drilling, Blasting, Dump Management, Screening, Crushing and Loading the finished goods in to dispatch trucks.

OVERBURDEN DUMP SLOPE STABILITY: A CASE STUDY AT …

The removal of overburden is the first step in a coal winning operation, so as to expose underlying coal for excavation. The overburden material being a waste and nonmarketable ... material through numerical modeling at Mungoli opencast coal mine, which is located in Wardha

overburden removal: Latest News & Videos, Photos about ...

Jun 02, 2019· Coal India shifts focus to top soil removal as demand dips; OB removal grows 10% in Apr 03 May, 2020, 05.11 PM IST. Coal India Ltd (CIL) has removed 114.43 million cubic meters of top soil or over burden in its open cast mines in April 2020 as compared to 104.22 million cubic meters during the same period last year.

Application of a cross pit spreader for surface mining ...

@article{osti_5722622, title = {Application of a cross pit spreader for surface mining}, author = {Kay, F J and Bartsch, D}, abstractNote = {There are many successful methods for removing overburden in opencast mines. However, as the overburden depth becomes greater the methods for removing the overburden become limited because of excessive cost or reduced productive capability because of …

WASTE AND OVER BURDEN MANAGEMENT IN MEGA …

from Opencast Mines using high capacity machines like Dragline, Shovels, Dump Trucks, Surface miners etc. It is reported that there are mines producing 80 million tonnes per annum of coal from a single Opencast mine and there are projects planned to produce 110m million tonnes. All type of equipments and conditions are

overburden in opencast mines

Open Cast Coal Mining Books (pdf files) | Opencast coal mining - The RSPB. Accounting for Overburden Removal (OBR) in Opencast Coal Mines. ACCOUNTING 70 THE CHARTERED ACCOUNTANT AUGUST 2010 shown as rectangular. However, the actual layout of an opencast mine, the nature of coal seam and the volume of. Read more

Mining - Dilip Buildcon

Kharagura is the flagship project of SCCL and the largest producing mine in the area. The project kicked off in November 2016 with a 3 years schedule for completion. This project established DBL as a mining company and achieved a daily target of 100,000 BCM building an excavation capacity of 30 MBCM P.A.

About Us - Coal India

Coal India Limited has 352 mines (as on 1st April, 2020) of which 158 are underground, 174 opencast and 20 mixed mines. CIL further operates 12 coal washeries, (10 coking coal and 2 non-coking coal) and also manages other establishments like workshops, hospitals, and so on. CIL has 26 training Institutes and 84 Vocational Training Centres.

A REVIEW ON EXISTING OPENCAST COAL MINING …

Overburden removal plays a key part in surface mines, accounting for up to half the total cost involved in coal exposure, extraction, washing and transportation [4].

VIETNAM NATIONAL COAL-MINERAL INDUSTRIES …

Coal produced from opencast mines comprises main part of coal production, accounting for 55% of the total volume. • There are 30 underground coal mines under operation, of which 9 mines have output of more than 1.0 million tons/year, others have annual capacity less than 1 mn.t/year. There are smaller mines …

Coal mining - Global Energy Monitor

Apr 19, 2021· Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines which operate by removing the overburden, power shovels, large trucks in which transport overburden and coal, bucket wheel excavators, and ...

Ministry of Coal, GOI

Over burden Removal (OBR) ... Coal/Lignite PSUs have been making constant and sincere efforts to minimize the footprints of coal mining through sustained reclamation and afforestation of areas in and around its operating mines.The reclamation activities are being carried out in various mines as per well-designed and approved mine closure plans ...

Surface Coal Mining Methods in Australia

Fig. 3. Overall mining sequence of a typical surface coal mine in Australia (after Westcott et al., 2009). 2.1 Dragline method Dragline is the predominant mach ine which is used to remove the overburden and expose the coal when the deposit s characteristics match the draglines physical capabilities. Once

COAL EXPORT AND THE FUTURECOAL EXPORT AND THE …

thousand t/year. Coal produced from opencast mines comprises main part of coal production, accounting for 55 60% of the total volume, stripping ratio is about 8.5 mvolume, stripping ratio is about 8.5 m3/t. • There are 30 underground coal mines, of which 9 mines have output of more than 1.0 million tons/year, others have annual capacity less

List of Equipment Used in Opencast Coal Mining Mining

A review on existing opencast coal mining methods within Aug 24 2010 · Abstract Currently almost 65 of the coal in Australia is being produced by opencast mining methods Mining equipments such as draglines dredgers or bucket wheel excavators trucks and shovels and dozers are the main equipments employed for overburden removal and coal

effect of stripping ratio in coal mining

factors affecting stripping ratio.in open cast mining. A Coal Mine Dump Stability Analysis—A Case Study Scientific Apr 12, 2011 With the increasing size of opencast mines and the large stripping ratio associated with these mines, the amount of overburden removal will mogeneous. There are a number of factors, which affect the dump stability [6-8].

Opencast Mining (Quarrying): Methods, Advantages ...

Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.

Mining - Montecarlo Limited

Mining. We actively entered the mining vertical in Fiscal 2011. As part of our business in this vertical, we specialize in blast-hole drilling, removal of overburden, removal of inter-burden and excavation of coal and lignite. The company has executed OB removal and excavation projects in the past and its current projects include projects from ...

PPT – ADVANCED SURFACE COAL MINING TECHNOLOGIES Indian ...

handling techniques for Overburden removal as land is scarce. The problem of finding a cost effective alternative to diesel fuel needs to be addressed with more research with greater vigor. 32. Environmental Socio-Political Issues ; Opencast mining results in conservation of coal which is a non-renewable energy source and

1.1 PHASES OF A MINING PROJECT - ELAW

necessitating the removal of layer upon layer of overburden and ore. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit may precede removal of the overburden. The use of heavy machinery, usually bulldozers and dump trucks, is the most common means of removing overburden. Open-pit mining often

Overburden In Opencast Mines

Overburden in opencast mines,Our company is a large-scale heavy enterprise that taking heavy mining machinery manufactory as main products and integrated with scientific research, production, and marketing. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant

Durham Mining Museum - Opencast Coal

By extracting coal from seams at shallow depth opencast mining helps to provide valuable fuel for the nation, earns profits for British Coal, offers imaginative restoration and the removal of industrial dereliction. History. Opencast mining for coal as we know …

Coal India closes ₹2,900 crore deal for procurement of 96 ...

For CIL, whose 95% of the entire coal output is through opencast mines, dumpers of such high capacity are pivotal in ferrying Over Burden (OB) from mine working face to dump yard.

Assessment of Dust Generation Due to Opencast Coal Mining ...

Every mine in India has to obtain environmental clearance fromthe Govt. Air pollution is one of the most important parametersto be considered in preparing an EIA. However, there is no welldefined method for predicting thr air pollution impact due tomining. Increasing trend of opencast (O/C) mining leads toproduction of huge quantities of dust. Emission factor data havebeen utilised to quantify ...

Opencast Mining - an overview | ScienceDirect Topics

S.K. Chaulya, G.M. Prasad, in Sensing and Monitoring Technologies for Mines and Hazardous Areas, 2016 Abstract. Opencast mining operations involve huge quantities of overburden removal, dumping and backfilling in excavated areas. A substantial increase in the rate of accumulation of waste dumps in recent years has resulted in greater height of the dump for minimum ground cover area and also ...

Get in touch

No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.

Call: +86-21-58386256

E-mail:[email protected]

About LDM

LDM got ISO international quality system certification, European Union CE certification and Russian GOST certification. The company has strong research and development strength and innovation.