2015-9-12 · In this contest, calculation of operating cost of dragline operation in various methods has been done and compared critically on case to case study
دردشة على الإنترنتCost of coal exposure is Rs. 161/ te Cost of coal exposure is Rs. 71.16/ te 5516 Asian Journal of Science and Technology Vol. 08, Issue, 09, pp.5511-5516,
دردشة على الإنترنت2015-9-24 · 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
دردشة على الإنترنتDraglines are the most expensive piece of excavating equipment at the mine site and it is important that they are operated safely, efficiently and economically. Draglines are versatile and provide a low cost mining method. In order to achieve high
دردشة على الإنترنتcoal 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 ...
دردشة على الإنترنت2016-3-14 · Total Owner Ship Cost = Ownership Cost/Year + Operating Cost = Rs. (11.8+11.45) Crore = Rs. 23.25 Crore. 4.3 Calculation Of Cost Per Ton Of Coal Exposed Of Dragline By Extended Bench Method a. Dragline Deployed Is 24/96 Having A Production Capacity Of 2.87 M M3/Year Percentage Rehandling Is 40.2%, b.
دردشة على الإنترنت2013-11-16 · 4.6. Estimation of yearly output, calculation of ownership, operating cost and 36 cost per tonne of coal exposed by dragline 4.6.1. Evaluation of Availability and Utilization 36 4.6.2. The maximum depth that can be worked by a dragline 39 4.6.3. Amount of rehandle (P RM
دردشة على الإنترنت2020-5-12 · 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.
دردشة على الإنترنتIn an Indian study for a large dragline operated surface coal mine, a 40% gain in OE in terms of mining rate (m3/hr) resulted in a gain in EE with an annual
دردشة على الإنترنت2020-5-12 · 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. FMC Corporation Skull Point Mine · Kemmerer, Wyoming
دردشة على الإنترنتcoal 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 ...
دردشة على الإنترنت2021-9-22 · operating costs, and cost per tonne of coal exposed by dragline. 4. Create a computer programme (in C++) to estimate annual overburden production, calculate ownership, operating costs, and cost per cubic metre of overburden handled by the dragline. Methodology used In order to achieve the specified goals, the following techniques were ...
دردشة على الإنترنت2021-3-26 · Operating costs 25 2.3. Comparison of coal mining sectors by country 26 2.4. Background to cost estimation 27 2.5. Types of cost estimates 30 2.5.1. Detailed estimating technique 30 ... Dragline operations 46 4.2.2. Truck and shovel operations 50 4.3. Underground mining operations 54 4.3.1. Room and pillar mining method 54
دردشة على الإنترنت2014-8-28 · 4.6. Projection of annual output, calculation of ownership, operating cost 41 . and cost per tonne of coal exposed by dragline . 4.6.1. Evaluation of Availability and Utilization 41 . 4.6.2. The maximum depth that can be worked by a dragline 45 . 4.6.3. Amount of rehandle (PRM) 45
دردشة على الإنترنت2016-3-14 · Total Owner Ship Cost = Ownership Cost/Year + Operating Cost = Rs. (11.8+11.45) Crore = Rs. 23.25 Crore. 4.3 Calculation Of Cost Per Ton Of Coal Exposed Of Dragline By Extended Bench Method a. Dragline Deployed Is 24/96 Having A Production Capacity Of 2.87 M M3/Year Percentage Rehandling Is 40.2%, b.
دردشة على الإنترنت2020-7-2 · operating costs. Based around dragline techniques and efficiency, the blasting practices are to cast-blast an entire strip with several subsequent coal blasts as coal is uncovered and required (Figure 2). Currently the open cut produces approximately 2.0 Mtpa of coal with the flexibility to vary this significantly.
دردشة على الإنترنت2021-6-28 · Bucryus-Erie built only one 4250-W dragline. Constructed in 1969, it took 200,000 hours to build at a cost of $25 million. Dubbed “Big Muskie,” the giant dragline was in service for over two decades. In 1991, Big Muskie was put out to pasture. A combination of higher electricity costs and lower coal demand made him too expensive to operate.
دردشة على الإنترنتGeotech 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
دردشة على الإنترنت2009-11-12 · 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.
دردشة على الإنترنت2018-9-25 · x Low operating cost, and x Handles hard digging. The following are some of the disadvantages of a dragline: x Constraints on dig depth and dump height, x Relatively inflexible, x Requires detailed planning, and x High capital cost. The rigging on a conventional dragline weighs 20 tonnes and this has not changed in design in 100 years.
دردشة على الإنترنتDownload Table | Typical Costs for Removing Overburden (Dragline versus Truck and Shovel Operations) [9] from publication: A review on existing opencast coal
دردشة على الإنترنت2016-3-14 · Total Owner Ship Cost = Ownership Cost/Year + Operating Cost = Rs. (11.8+11.45) Crore = Rs. 23.25 Crore. 4.3 Calculation Of Cost Per Ton Of Coal Exposed Of Dragline By Extended Bench Method a. Dragline Deployed Is 24/96 Having A Production Capacity Of 2.87 M M3/Year Percentage Rehandling Is 40.2%, b.
دردشة على الإنترنت2021-9-22 · operating costs, and cost per tonne of coal exposed by dragline. 4. Create a computer programme (in C++) to estimate annual overburden production, calculate ownership, operating costs, and cost per cubic metre of overburden handled by the dragline. Methodology used In order to achieve the specified goals, the following techniques were ...
دردشة على الإنترنت2020-10-13 · 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
دردشة على الإنترنتGeotech 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
دردشة على الإنترنت2009-11-12 · 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.
دردشة على الإنترنت2020-6-2 · surface coal mining from shovel mining to dragline mining. Coal India Limited (CIL), now has standardized the draglines in two sizes, namely 10/70 and 24/96 for their mines. Most mines depend on the dragline 24 hours/day, 7 days/week.
دردشة على الإنترنت2016-1-10 · 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 data for 4-draglines operating in one of the major
دردشة على الإنترنتThe dragline is AC-powered and has been operational at TransAlta’s Highvale coal mine in Alberta, Canada, since 2010. The Cat 8750 has an operating radius of 117.8m, and up to 61.5m dumping height and 79.8m digging depth, offering a
دردشة على الإنترنت2010-6-3 · 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 be moved to reach the targeted seams.
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