2015年9月12日· Draglines 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 and2011年7月1日· Ashok Kumar Abstract and Figures The tandem operation of draglines is in use in some of the major Indian opencast coalmines owing to the favourable geomining conditions, technical(PDF) Productivity Analysis of Draglines Operating in
2015年1月1日· The present study focuses on the importance of economic appraisal of dragline productivity parameters, such as, cycle time, swing angle, seating position,Type the code from the image 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 maximisedDragline and Dozer Productivity Orica
following assumptions were taken in order to obtain these costs: dragline is 80 bcm bucket and incorporates dozer assist and throw blast, the truck / shovel component2016年9月4日· The present study focuses on the importance of economic appraisal of dragline productivity parameters, such as, cycle time, swing angle, seating position,Economical Operation & Estimation of Operating Cost of
2022年9月16日· OB removal is a major process in the surface mining of coal, accounting for over 60% of the mining cost [ 4, 5 ] Dragline is predominantly used for overburdenThe excavation mode of dragline should consider the production of raw coal and the length of the workinglineHowever in the past ten years, the production target of raw coal hasComparison analysis of the excavation modes of dragline in
The mining dragline HS 8300 has been designed to meet the tough conditions in mining environments The machine delivers power and performance with low cost per ton and2014年7月6日· ESH 65100 OMZ’s ESH 65100 dragline comes with a 65m³ capacity bucket and 100mlong boom The walking dragline weighing 5,460t has 235m base diameter and 976m dumping radius The dumping height and digging depth of the dragline are 385m and 46m respectively The ESH 65100 is powered by six 1,120kW dragDigging big the world’s biggest draglines Mining Technology
TASMAN ASIA PACIFIC Productivity Commission cost of equipment used in coal mining The Krupp Bucket Wheel Excavator was built in 1962 at a cost of $6,000,000 It was 156 feet tall and 468 feet long It operated at theكسارة فكية سلسلة PE وعادة ما تستخدم كسارة فكية سلسلة PE كما الكسارة الأساسية في خطوط إنتاج المحجر وخام المعادن كسارات ومسحوق مما يجعل كسارة فكية سلسلة PEW كسارة فكية سلسلة PEW يضم نسبة كبيرة سحق، عملية موثوقةcost of dragline excavator for coal mining
Big Muskie near Chandlersville, Ohio, July 1974 Big Muskie dragline excavator built by BucyrusErie and 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 tall It mined coal in the US state of Ohio from 1969 to 19912020年8月31日· Big Muskie Big Muskie was a legend among machines while in operation Also called Muskie and Ol Musky, the machine was a model 4250W BucryusErie dragline It was the only model ever built, and took two years and some 200,000 hours to construct When Muskie was built in 1969, it cost $25 million dollars That’s approximately $171Largest Dragline in the World | Biggest Dragline Ever Built AMS
2011年7月1日· In 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 reduction of GHG, TSP, and PM10The 9020C dragline, featuring a 55 to 93 m 3 (75 to 117 yd 3) bucket capacity range, offers 90 to 125 m (300 to 405 ft) boom length range, allowing you to customize the boom length for your specific mine geometry The Centurion electrical control system is standard on this largecapacity dragline Bucket capacity @5000 lbs/cu yd m 3Komatsu Mining Corp P&H 9020C Dragline Surface Mining
2021年12月12日· 1 Standard Lift Crane Dragline excavator uses that operate as a standard lifting crane are built offsite and transported to the mine They are able to be dismantled and reassembled Within civil engineering, standard lift cranes with winch drums can be used to build bridges, ports, and roads 2ENCONMining2015: 1213 Sept 20156 Estimated cost per tonne of coal exposed in tandem dragline operation on the basis of average stripping ratio 25 m³/te Get Quote (PDF) Economical Operation Estimation ofcost of dragline excavator for coal mining
Bucket Capabilities 76116 m3 (100152 yd3) Offering the highest levels of overburden removal productivity at the lowest total cost per tonne (ton), the 8750 is the flagship model of the Cat dragline product line The first dragline of any kind to be successfully equipped with AC IGBT driveWorking Weight Approximate 5875 million kg (131159 million lb) 5875 million kg (131159 million lb) View Compare models SIGN UP Cat® Draglines are a primary excavating tool in many surface mining operations worldwide They're highly productive and offer the lowest material cost per tonne in the industryDraglines | Dragline Excavators | Cat | Caterpillar
2024年2月4日· Page 725 dragline at Turkish Coal Association – Yenikoy Open Pit Coal Mine, Milas A dragline excavator is a piece of heavy equipment used in civil engineering and surface mining Draglines fall into two broad categories: those that are based on standard, lifting cranes,Usually, a dragline excavator is used to remove overburden (the rock or soil layer above the ore processed) from a mining site in a costeffective manner Dragline excavators vary from towering machines with massive buckets to smaller machines that dig ditches However, dragline excavators aren’t limited to just being used in the mining industryWhat is a Dragline Excavator and What is it Used For
A dragline excavator is a heavyduty excavator used in civil engineering and surface mining It was invented in 1904, and presented an immediate challenge to the steam shovel (and its diesel and electric powered descendant, the power shovel Much more efficient than even the largest of the latter, i2024年1月17日· 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 broad activities that incorporate numerous variations in equipment and methods, and the choice of whichCoal mining Underground, Surface, & Drilling | Britannica
2023年11月30日· The ShiftManager 34 online course provides flexible and convenient training on the core features of RPMGlobal’s ShiftManager solution Learn how to plan, schedule, and report on tasks using ShiftManager The course can be accessed from a computer, tablet, or mobile device in a learning environment that is fun, interactive andUrsa Major in 2009 The Ursa Major (lit Great Bear) at Black Thunder Coal Mine, Wyoming, is the largest dragline excavator currently in use in North America and the third largest ever built [1] [2] It is a BucyrusErie 2570WS model and cost US$50 million The Ursa Major was one of five large walking draglines operated at Black Thunder, withUrsa Major (excavator)
2006年6月1日· The Australian coal mining industry operates a large dragline fleet such as is shown in Fig 1 The draglines generally work 24 h a day, 364 days a year The productivity of each dragline is generally estimated to be around $8000/h and thus, the cost of any unscheduled down time is very significant for the operationPerformance The mining dragline HS 8300 has been designed to meet the tough conditions in mining environments The machine delivers power and performance with low cost per ton and high turnover rates The interlock control system allows for power regeneration in dragline operation, reducing fuel consumption as well as wear and tearMining Dragline HS 8300 | Liebherr
10971325 m (360435 ft) Working Weight Approximate 5875 million kg (131159 million lb) View Details Cat® draglines offer the lowest material removal cost per ton, consume less power and emit fewer greenhouse gases than other methods of overburden removal, making them the mostBig Muskie Big Muskie was a coal mining BucyrusErie dragline excavator owned by the Central Ohio Coal Company It cost $25 million in 1969, It cost $25 million in 1969,02/07/2020· cost of dragline excavator for coalcost of dragline excavator for coal mining
2023年8月18日· This cost varies depending on the location of the mine, the size of the land, and the regulatory requirements for obtaining mining permits These expenses can range from $10,000 to $200,000 Construction and development of mining sites are other significant startup costs that can range from $100,000 to $10,000,000Our draglines are built with customerinspired innovations that help optimize their performance, with boom lengths and bucket capacities to meet your specific requirements 9010C Bucket capacity 55 80 yd³ Boom length 275 350 ft 9020C Bucket capacity 75 117 yd³ Boom length 300 405 ft 9020XPCDraglines | Komatsu
Welcome to Salvex Marketplace, your source for commercial heavy equipment Browse surplus, salvage, and discounted options from insurance sales, bankruptcy assets, auctions, and wholesalers Find highquality, heavy equipment at competitive prices for your projects Marion 8050 Dragline Excavator For Construction and Mining (325 ft Boom / 654Type the code from the image 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 risk of flyrock or overpressureDragline and Dozer Productivity Orica
2021年3月4日· Abstract The authors have developed a procedure for selecting models and number of draglines for overburden removal in direct dumping within the hybrid opencast/underground mining in gently dipping coal seams The potential opencast production capacity algorithm uses the data on the available workable reserves, life ofJOURNAL OF CRITICAL REVIEWS ISSN 2394 5125 VOL 8, ISSUE 04, 2021 475 PRODUCTION OPTIMIZATION OF A DRAGLINE BY CYCLE TIME ANALYSIS M Vsihnu Teja 1,NSri chandrahas 2 Vishnu Teja 1 Asst Prof,, Dept of Mining Engineering, Malla Reddy Engineering C ollegePRODUCTION OPTIMIZATION OF A DRAGLINE BY CYCLE
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('') and can be up to 35 characters longFirst and foremost, I express my sincere gratitude and indebtedness to rof HKNAIK, PDepartment of Mining Engineering for allowing me to carry on the present topic “Dragline Performance Study in Indian Coal Mines” and later onDRAGLINE PERFORMANCE STUDY IN INDIAN COAL MINES
2024年1月22日· The Technology Behind Mining with a Dragline Excavator In order to maximize mining operations, modern dragline excavators incorporate modern technologies These devices, which have automated controls and realtime monitoring, are examples of innovative engineering2020年9月12日· Coal Dragline Operating Cost cost of dragline excavator for coal mining Efficiency in these operations has a great impact on the overall operating cost and mine productivity dragline electrician at a coal mine – Grindingcost of dragline excavator for coal mining
2019年12月29日· 62 CM bucket capacity dragline cost of about 600 croresenjoy 1 cycle time of draglinecost of dragline excavator for coal mining Illinois Coal Mine Photos The Krupp Bucket Wheel Excavator was built in 1962 at a cost of 6 000 000 It was 156 feet tall and 468 feet long It operated at the Northern Coal Mine nearcost of dragline mining machine for ore mining
Fig 3 Overall mining sequence of a typical surface coal mine in Australia (after Westcott et al, 2009) 21 Dragline method Dragline is the predominant mach ine which is used to remove the overburden and expose the coal when2009年2月28日· Draglines in mining A large dragline system used in the open pit mining industry costs approximately US$ 50100 million A typical bucket has a volume ranging from 30 to 60 cubic metres, though extremely large buckets have ranged up to 168 cubic metres [1] The length of the boom ranges from 45 to 100 metresDragline excavator
Cat ® 8200 DRAGLINE RANGE Specifications Weights – 300k RSL* Boom Length @ 39 Net Weight, domestic, approximate with bucket Working Weight, approximate with bucket Ballast Weight, approximate Base 100 m 328 ftsurface 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 it’sCASE STUDY ON DRAGLINE IRJET
2022年5月9日· 312 Dragline: Dragline mining is the most costeffective technology for the bedded deposits and is the firstchoice technology for large opencast mining Total of 32 draglines are in use in Coal India Ltd of which2021年11月1日· HIGH utilisation rates from Stanmore Coal’s dragline and excavator at its Isaac Plains complex in Queensland helped the company increase runofmine production by 41% in the September quarter to 924,000 tonnes Stanmore Isaac Downs bulk sampling pit in Queensland Surface Mining > Operationalexcellence 01 November 2021Excavator and dragline power Stanmore's production
