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    Keeping the Largest Machines Moving

    2019 1 7 walking dragline fl eet about 75 were built between 1968 and 1988 so the bulk of the world’s fl eet is around 40 years old said Mike Casson global mining manager for Flanders Most of these drag lines are still operating with the original DC technology Flanders is one of the only service providers in the dragline industry to

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  • Dragline and Dozer Productivity

    Achieving high productivity from large capital equipment items such as draglines depends on consistent fragmentation and muckpile presentation to reduce rehandle and unnecessary movements By careful planning and blast design cast to final spoil can be maximised without increasing the

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  • Cost Effective Mining Solutions

    Highly Efficient Cost Effective Mining Solutions North American Coal offers a wide selection of mining services to help you through each phase of your mine site’s development and operational success As your long term partner we provide the best technical solutions for your operation Our Approach.

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    University of Wollongong Research Online

    2020 10 13 Double dragline pass offset Due to their operating cost efficiency draglines commonly excavate the waste passes immediately overlying the valuable coal seams As such deep pits containing two coal seams are usually mined using a pre strip pass and two dragline passes The first dragline pass excavates the overburden overlying the

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  • Project Experience

    2020 5 12 Drven Corporation Inc Chuitna Project Anchorage Alaska Complete capital labor and operating supplies cost estimate for proposed multiple coal seam dragline mine including facilities infrastructure and mine operation Evaluate increments of production for the project.

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  • PRODUCTION AND SUPPLY CHAIN COSTS OF COAL

    2018 8 9 Mining tends to account for the largest proportion of the cash operating costs of most coal exporting countries Opencast mining techniques such as bucket wheel excavation dragline mining and truck and shovel are described Underground mining processes including longwall mining and room and pillar are explained Examples of the unique cost

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    Dragline Presentation

    2012 11 1 Operating in West ia 19996 draglines in operation BE 1570 at Evergreen Mine West ia Dragline Operations Arch Coal Inc perations Arch Coal Inc Ruffner/Wylo Dal Tex Samples Hobet 21 Mine Planning. General Considerations in WV General Considerations in WV funding at no cost to the state Creation of wetlands and

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  • 8750

    2021 11 14 Offering the highest levels of overburden removal productivity at the lowest total cost per tonne ton the 8750 is the flagship model of the dragline product line The first dragline of any kind to be successfully equipped with AC IGBT drive systems we developed this superior technology for the sole purpose of making your workday more productive predictable and most importantly safe.

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  • PDF Productivity Analysis of Draglines Operating in

    Geotech Geol Eng 2011 29 493–504 DOI 10.1007/s10706 011 9398 9 ORIGINAL PAPER Productivity Analysis of Draglines Operating in Horizontal and Vertical Tandem Mode of Operation in a Coal Mine A Case Study Piyush Rai Umakant Yadav Ashok Kumar Received 6 April 2009 / Accepted 21 March 2011 / Published online 3 May 2011 Ó Springer Science Business Media B.V 2011 Abstract The

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  • cost of dragline excavator for coal mining

    coal dragline operating cost Big Muskie was a coal mining Bucyrus Erie dragline excavator owned by the Central Ohio Coal Company formerly a division of American Electric Power weighing 13 500 short tons 12 200 t and standing nearly 22 stories tallIt operated in the US state of Ohio from 1969 to 1991 ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING

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    Cycle time and idle time analysis of draglines for

    2013 12 5 coal by volume ii rate of OIB removal necessary to achieve the targetted coal output iii the geology of the site with regard to seam dip the significant faulting and the depth of interburden between seams and iv total owning and operating costs The objective of deploying dragline is

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    PERFORMANCE APPRAISAL OF DRAGLINE MINING IN

    2021 8 8 dragline results in entirely low cost per cubic meter and subsequent low cost per ton of the desired mineral High initial capital outlay for dragline makes effective and efficient operation imperative to obtain low costs of overburden striping .Constant supervision good overburden preparation and preventive maintenance of

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  • Digging big

    2014 7 6 The dragline is AC powered and has been operational at TransAlta’s Highvale coal mine in Alberta Canada since 2010 The 8750 has an operating radius of 117.8m and up to 61.5m dumping height and 79.8m digging depth offering a suspended load capacity of 344 736kg.

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  • Cost Effective Mining Solutions

    Highly Efficient Cost Effective Mining Solutions North American Coal offers a wide selection of mining services to help you through each phase of your mine site’s development and operational success As your long term partner we provide the best technical solutions for your operation Our Approach.

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  • Dragline and Dozer Productivity

    Dragline / dozer productivity Maintaining the integrity of walls is essential to the safe operation and maximise recovery of coal deposits Orica’s range of solutions for wall control blasting enables steeper walls and faster vertical advance in cutbacks reducing the stripping ratio bringing forward revenue and increasing the project

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    Operating Ratio and Cost of Coal Power Generation

    2019 12 11 IEA Clean Coal Centre Operating ratio and cost of coal power generation 3 Preface This report has been produced by IEA Clean Coal Centre and is based on a survey and analysis of published literature and on information gathered in discussions with interested organisations and individuals Their assistance is gratefully acknowledged.

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    Mining Dragline

    2021 11 6 Mining DraglineHS 8300 HD 5 Safety Sophisticated safety systems protect opera tors and machine during tough operation as well as technicians during assembly and service work so preventing injuries and/or damage Customer Service Using data transmission programs and cost saving solutions we can quickly react to our

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  • Four Draglines and Seven Splitting Seams

    2010 6 3 Most of our pits are about 5 000 to 6 000 ft long and currently each dragline is operating in its own pit said Andy Hawbaker maintenance manager Sabine Mining With multiple splitting seams the challenge is managing the amount of overburden and interburden needed to

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  • Digging big

    2014 7 6 The dragline is AC powered and has been operational at TransAlta’s Highvale coal mine in Alberta Canada since 2010 The 8750 has an operating radius of 117.8m and up to 61.5m dumping height and 79.8m digging depth offering a suspended load capacity of 344 736kg.

    Get Price
  • Illinois Coal Mine Photos

    2019 7 5 In 1941 the first Marion 7800 dragline was built at the Northern Illinois Coal Corporation s Wilmington # 10 coal mine serial number 7509 It has an 185 foot boom and a 30 cu.yd bucket When the Northern Mine Closed in 1974 the 7509 was sent to the Black Mesa mine in Arizona.

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  • The rise and fall of the two biggest draglines ever built

    2011 7 23 Big Muskie operated from the ’60s to the ’90s and was retired when the operating cost became too expensive The Captain quit operating after suffering fire

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  • dragline operating minerals

    2020 6 13 dragline operating depth for subs equent excavation by a dragline The main pre stripping equipment used is tr uck/shovel and shovel/crus her/conveyor Trucks haul overburden around or acro ss the operating dragline stri p to previous dragline dumps Truck/shovel equipment provides the flexibility for easy relocation to isol ated pre strip areas

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  • Luminant Restores Pre Owned Draglines

    2009 11 12 The Bucyrus 8200 dragline was completely refurbished and given new life with the expectation of many more years of operation Moving the 1570W The Bucyrus 1570W model dragline was smaller than the Bucyrus 8200 model and was originally commissioned at a coal mine in Kellerman Ala which is about 650 miles from Kosse.

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  • Coppabella Coal Mine

    Macarthur Coal excavator loading coal Coppabella mine is an open cut operation located 140km south west of the Mackay region close to the Nebo and Moranbah townships in Australia The mine includes four pits Johnson South Creek and East Pits The Coppabella mine began operating on 1 June 1998 within 15 months after the discovery of coal.

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    OF DRAGLINESDRAGLINES

    2019 1 9 dragline costs through increased rehandle decreased productivity or use of higher cost planned or accurately plan the dragline operation well in advance of other operating methodologies In extreme cases Advance rates of dragline truck and shovel prestrip coal mining and waste dump construction must all be

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    Economical Operation Estimation of Operating Cost of

    2015 9 24 3 Horizontal Tandem Operation When leading and lagging dragline is deployed 24/96 having annual production of 3.4 Mm³ each Total Ownership and Operating cost per year of two draglines 24/96 24/96 = = Rs 60.215 crore Estimated cost per tonne of coal exposed in tandem dragline operation on the basis of average stripping ratio 2.5 m³/te

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    Case Study Cast blasting at Wilkie Creek Coal Mine

    2011 8 4 Four seams of coal ranging from 1 metre to more than 4.3 metres thick are mined individually The coal from each seam is hauled by truck from the pit and stockpiled individually The coal is crushed sorted and washed Figure 1 Wilkie Creek mine has two active pits namely A and B The blasting activities take place in Pit B in a hard

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  • Coppabella Coal Mine

    Macarthur Coal excavator loading coal Coppabella mine is an open cut operation located 140km south west of the Mackay region close to the Nebo and Moranbah townships in Australia The mine includes four pits Johnson South Creek and East Pits The Coppabella mine began operating on 1 June 1998 within 15 months after the discovery of coal.

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    Dragline Gets New Lease on Life

    2021 7 29 the nation’s top coal producers owns eight surface operations and currently has an additional two in development Its total lignite coal reserves is 2.2 bil lion tons 1.1 billion tons of which is committed NA Coal also provides dragline mining services operating under the name North American Mining Co for independently owned limerock

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    A model for direct dragline casting in a dipping coal seam

    2009 8 26 A model for direct dragline casting in a dipping coal seam by B Erdem Z Duran and N Çelebi† Synopsis This article introduces a computer model which emphasizes panel design for draglines deployed in direct side casting mode The study covers flat and inclined coal seam conditions with the dragline operating along the strike line.

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    ANALYSIS OF AVAILABILITY AND UTILIZATION OF

    2016 1 10 the aspects of production productivity and economics are of utmost significance in dragline operation and planning In this light the present paper is an endeavor to analyze availability and utilization of dragline operations The paper presents a good amount of

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  • Illinois Coal Mine Photos

    2019 7 5 In 1941 the first Marion 7800 dragline was built at the Northern Illinois Coal Corporation s Wilmington # 10 coal mine serial number 7509 It has an 185 foot boom and a 30 cu.yd bucket When the Northern Mine Closed in 1974 the 7509 was sent to the Black Mesa mine in Arizona.

    Get Price
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    University of Wollongong Research Online

    2020 10 13 However dragline productivity improvement through the modification of the digging method is the most cost effective and usually the most efficient mean Pippenger 1995 The feasibility of significant improvement in dragline performance up to 20 through modifications to the digging method has been reported by

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