Menu
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 operated in the state of Ohio from 1969 to 1991 Get Price
Get Price
Giant draglines have long since been made obsolete but dragline excavators are still very much in use The company declined to comment for this story 25 BIG MUSKIE B E 4250 W World s Largest Walking Dragline 1970 The operation includes an 80 cubic yard dragline a 20 cubic yard mass excavator an 18 cubic yard hydraulic backhoe and a fleet of 150 ton end dump trucks to move more than 20
Get Price
St Aidan s is a 400 hectare 990 acre nature park located between Leeds and Castleford in West Yorkshire land was formerly an opencast coal mining area that was flooded in 1988 after the riverbank collapsed Repairs and remediation required its own act in Parliament to allow the necessary works to go ahead Mining ceased at St Aidan s in 2024
Get Price
Draglines in Mining A large dragline system used in the open pit mining industry costs approximately US$50 100 million A typical bucket has a volume ranging from 40 to 80 cubic yards 30 to 60 cubic metres though extremely large buckets have ranged up to 168 cubic metres 5 900 cu ft The length of the boom ranges from 45 to 100 metres 148 to 330 ft
Get Price
2024 9 24 operating cost in various mining methods adopted in opencast mines Key words Cycle time idle time availability utilization stripping ratio production index Introduction A dragline excavator is a piece of heavy earth moving equipment used in civil engineering and surface mining operations Draglines used in civil get price
Get Price
Mining systems now often include truck/shovel prestripping ahead of dragline operations dragline high walls of 50 meters total pit depths in excess of 80 meters mining of multiple coal seams thin seams and thin partings more focus on and measurement of excavation equipment productivity and/or conformance to strict environmental limitations To meet these challenging requirements
Get Price
OVERVIEW OF LINE EXCAVATOR DRAGLINE ROLE IN OPTIMIZATION OF PRODUCTION IN SURFACE MINES minimal production cost Dragline mining was first used in India in the early 1960s and the first walking dragline wascommissioned in Kurashia in 1961 To remove overburden approximately 43 draglines have been installed with bucket sizes ranging from 4 cu m to 29 30 cu m For its mines Coal
Get Price
Joy Global s P H 9010C dragline comes with 42m³ to 60m³ 55yd³ to 80yd³ bucket capacity and up to long boom The AC powered walking dragline weighing up to 4 056t offers of maximum operating radius while the dumping height and digging depth are up to and respectively The P H 9010C draglines are powered by four
Get Price
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 and the heavy units which have to be built on site Most crawler cranes with an added winch drum on the front can act as a dragline For example this video
Get Price
Big Muskie WikipediaBig Muskie was a coal mining Bucyrus Erie dragline excavator owned by the Central Ohio Coal Company It cost $25 million in 1969
Get Price
Bucket wheel excavators are the largest machines found on the mine site and it s no surprise that one of them the Bagger 293 is the largest land vehicle built in human history The Bagger 293
Get Price
Economical Operation Estimation of Operating Cost of Draglines 24 Sep 2024 Draglines are versatile and provide a low cost mining method In order to achieve A dragline excavator is a piece of heavy earth moving equipment The coal exposed by the draglines working in tandem operation was Get Price
Get Price
Open pit mining 8 Underground coal mining 9 Room and pillar 9 Longwall 12 South African coal mining context 13 History of the South African coal mining industry 13 Current status of coal mining in South Africa 15 The role of South African coal market plays globally 18 Purpose of the study
Get Price
Coal Mining Cost Models Coal Mining Cost Modeolume 2sers Guide For The 2092019 the revised epri coal mining cost models represent a computerized process engineering approach to the analysis of production costs and mining requirements of either surface or underground mining projectshe models estimate all get price
Get Price
The Ursa Major litGreat Bear at Black Thunder Coal Mine Wyoming is the largest dragline excavator currently in use in North America and the third largest ever built It is a Bucyrus Erie 2570WS mHIGH utilisation rates from Stanmore Coal s dragline and excavator at its Isaac Plains complex in Queensland helped the company increase run of mine production by 41% in the September qua
Get Price
Big Muskie The Largest Walking Dragline Ever Built Standing 22 stories tall and weighing 13 500 metric tons Big Muskie was the world s largest dragline and the biggest machine that has ever walked on the fac
Get Price
PERFORMANCE APPRAISAL OF DRAGLINE MINING IN 4 6 Projection of annual 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 Extended bench method followed at Singareni OC I 40 4 6 4 Dragline maintenance
Get Price
Cost Of Dragline Excavator For Coal Mining coal dragline operating cost coal cost guide cost indexes Costs of Strip Mine Reclamation in the West Key words Reclamation cost of reclamation strip mining coal western mining Land suffers significant disturbance from operations associated with mining currently applied by State Federal and local governments to guide and con Mining Coal
Get Price
3 days agoSearch Largest Dragline In Wyoming It is our… There are 4 of this model of dragline in the world and early on it was found that there was not enough World s largest dragline bucket scoops coal out of Arch Coal s Back Thunder Mine in the Powder River Basin in Wyoming This behemoth which is the largest dragline by dimensions on earth moves nearly 130 yards of material in one pass View 231
Get Price
Big Muskie was a legend among machines while in operation Also called Muskie and Ol Musky the machine was a model 4250 W Bucryus Erie 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 $171 million today
Get Price
dragline excavator cost Know More Coal Dragline Operating Cost hang oncoza cost of dragline excavator for coal mining Crushing Economical Operation Estimation of Operating Cost of Draglines Sep 12 2024 Draglines are versatile and provide a low cost mining method In order to achieve A dragline excavator is a piece of heavy earth moving
Get Price
The coal mining dragline known as Big Muskie owned by the Central Ohio Coal Company a division of American Electric Power was the world s largest mobile earth moving machine weighing nearly 13 000 metric tons and standing nearly 22 stories tall
Get Price
Call us at 44 0 1642 366 150 Email us at Contact us One of the largest mining companies in Queensland Australia faced a major challenge It needed to move a 3 000 ton dragline excavator from one coal mine to another almost 100 kilometers away Walking there would have caused significant wear and tear on
Get Price
Dragline excavator is used for civil engineering projects and surface mining Dragline is the largest equipment ever built on this planet It has the ability to excavate very deep down the earth Word drag is used because it has the ability to drag material at far distance from the machine Dragline consists of drag rope large bucket boom hoist rope and driving motors As shown in the figure
Get Price
Open pit mining Some 53% of South Africa s coal is produced from surface mining via open cast or open pit mines This is because the coal is less than 60 metres below the surface Open pit mines use draglines as well as truck and shovel operations to extract coal A dragline excavator uses a dragline to pull a bucket by a wire cable The
Get Price
cost of dragline excavator for coal mining The Ursa Major litGreat Bear at Black Thunder Coal Mine Wyoming is the largest dragline excavator currently in u [email protected] 86 371 67999188
Get Price
Cycle time and idle time analysis of draglines for The majority of surface mining equipment in the world equipment is designed to lower cost per ton by providing highly productive dragline to the fast cycle times of a trucks hydraulic shovels and excavators have of in place coal15 Feb In surface coal mines pre strip often refers to the initial material The conventional method of stripping
Get Price
NA Coal also provides dragline mining services operating under the while working together to control costs on Read More cost of dragline excavator for coal mining coal dragline operating cost crusherasia Home >> Quarry Machine >> coal dragline operating cost coal cost guide cost indexes for surface and underground coal Read More v115n8a17 Parametric estimation
Get Price
The Equipment Cost Calculator provides all the same information as our Mine Mill Equipment Cost Guide in a convenient online format 1 509 328 8023 [email protected]
Get Price
Industry Standard for Mining Cost Estimating Specializing in Cost Models Equipment Costs Labor Costs Supply Costs Smelting and Mine Development Costs pieces of equipment commonly found in mines and mills around the world from $500 slusher buckets to $50 000 000 walking draglines Learn More Mining Cost
Get Price