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  • Dragline Excavator | Types | uses | working Principle ...

    Dragline falls in heavy equipment’s category. 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.

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  • Big Muskie Wikipedia

    Big Muskie was a coal mining BucyrusErie 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.

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  • Largest Dragline in the World | Biggest Dragline Ever Built

    Mining operations have a long and complex history, with several giant machines being built in their heyday that still holds world records! One such dragline bucket excavator holds the record for largest dragline in the world, even though the machine has been out of operation for nearly 30 years!

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  • Economical Operation Estimation of Operating Cost of ...

    A dragline excavator is a piece of heavy earth moving equipment used in civil engineering and surface mining operations. Draglines used in civil engineering are almost always of this smaller ...

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  • | Draglines |

    ® 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 industry. This site uses and sets "cookies" on your computer to help make this website better by keeping the site reliable and secure, personalizing content and ads, providing ...

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  • DRAGLINE PERFORMANCE STUDY IN INDIAN COAL MINES

    DRAGLINE PERFORMANCE STUDY IN INDIAN COAL MINES . ... and cost per tonne of coal exposed by dragline . Evaluation of Availability and Utilization 41 . The maximum depth that can be worked by a dragline 45 ... Dragline used in surface mining is heavy equipment…

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  • How Much Does a Mine Cost? EconoMonitor

    Jun 01, 2010· Capital costs are typically a mining company’s biggest expense – and an eyewatering one. On top of that, companies must pay labor costs, interest payments and environmental cleanup (assuming the country has and enforces environmental regulations).

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  • Drag Line Excavator Civil Engineer

    On the other hand, the larger machines of drag line excavators are used for heavy operations like coal mining extraction and mining operations. Dragline excavators are the largest type of moving equipments and their weight is up 10,000 tons. The bucket system of dragline excavators consist of large buckets which are suspended from a boom.

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  • Moving Mr. Tom: one of the largest coal mine draglines in ...

    Dec 04, 2012· Having sat unused since 1995, Mr. Tom, one of the biggest coal mine draglines in the country, had turned into a rusting hulk, seen only occasionally by a handful of dirt bike and motorcycle ...

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  • Draglines 101: How They Do It | Machinery | Mining Global

    In the world of mining, not all draglines are created equal. The heavyduty machinery is used as a primary excavating tool in many surface mining operations worldwide. These highly productive and massive pieces of equipment offer the lowest material cost per ton and have an operating life span of 40 years. Pound for pound, draglines are the most productive and versatile machines in the mining ...

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  • Mining Funda: Dragline Excavator

    A dragline excavator is a piece of heavy equipment used in civil engineering and surface mining. Dragline fall into two board categories: those that are based on standard, lifting cranes, and the heavy units which have to be built onsite. Most crawlers cranes, with an added winch drum on the front, can act as a dragline.

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  • Dragline Digging Methods in Australian Strip Mines A …

    the very large draglines are the increasing overburden depths, the need to increase stripping capacity of the mine to reduce unit stripping cost, and advances in dragline manufacturing te,chnology. Fig 2 shows the changes in dragline size and its stripping capability during the last two decades.

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  • Mining Excavation Methods

    Working draglines are very common machines in an open cast mining, especially coal mining, with tabular or shallow dipping coal seams. They are very cost effective technology. They are electric and they do not involve any fuel costs compared to the truck and shovel technology. They have a high productivity when operating at maximum efficiency

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  • Dragline excavator

    Dragline excavation systems are heavy equipment used in civil engineering and surface civil engineering the smaller types are used for road and port construction. The larger types are used in stripmining operations to move overburden above coal, and for tarsand are amongst the largest mobile equipment (not waterborne), and weigh in the vicinity of 2000 metric ...

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  • cost of draglines in india

    Cost Of Dragline Excavator For Coal Mining, process crusher .... Cost Of Dragline Excavator For Coal Mining 68 Views. The Zenith is the professional mining equipments manufacturer in the world, located in China,India, along with ... cost of dragline excavator for coal mining.

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  • Dragline Excavator| Cost Effective Mining ... YouTube

    Mar 04, 2017· Dragline Excavator| Cost Effective Mining Equipment iDe Videoz ... World Dangerous Biggest Excavator Heavy Equipment Operator Fast Modern Technology Machines ... Coal Mining in Appalachia ...

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  • Dragline Excavator History

    Bucyrus' largest dragline was Big Muskie built for the Ohio Coal Company in 1969. This machine featured a 220yard bucket on a 450foot boom and weighed 14,500 tons. Bucyrus was itself acquired by heavy equipment and diesel engine maker, , in 2011. 's largest dragline is the 8750 with a 169yard bucket, 435foot boom, and ...

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  • The largest machines in mining Australian Mining

    Jan 30, 2014· The mine site has some of the largest machines and equipment on earth. From trucks, excavators, draglines, through to bucket wheel excavators, the …

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  • Dragline excavator Wikipedia

    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 onsite. Most crawler cranes, with an added winch drum on the front, can act as a dragline.

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  • Dragline excavator IPFS

    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 onsite. Most crawler cranes, with an added winch drum on the front, can act as a dragline.

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  • | 8000 Small Dragline |

    More than 1,100 of these draglines have been produced and delivered to every major continent over the past century­ more than any other mining dragline manufacturer. Today, continues to lead the way in the evolution of these excavators and maintains the expertise to keep them operating reliably.

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  • Dragline maintenance optimisation International Mining

    Dragline maintenance optimisation. Posted by John on 23rd June 2016 ... based on the expectation that the increased maintenance cost and effort required would be more than justified in consideration of the increase in production. ... SUEK details major investments in mining fleet for new Zarechny open pit coal mine

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  • The fall and rise of draglines Deswik

    May 18, 2016· Large walking draglines are still a key part of many mining systems around the world, primarily for overburden removal in sedimentary bulk commodities like coal and phosphate. However, during recent boom years the importance of these high volume, low unit cost machines waned.

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  • Dragline excavator

    A dragline excavator is a piece of heavy equipment used in civil engineering and surface mining. In civil engineering the smaller types are used for road, port construction, and as pile driving rigs. The larger types are used in stripmining operations to move overburden above coal, and for tarsand mining.

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  • Surface Coal Mining Methods in Australia

    The following major equipments are used in Australian coal mines: x Draglines, x Trucks, x Shovels x Bucket wheel excavators, x Crushers and conveyors, x Scrapers, x Dozers, x Slushers and dragline hoppers, and x Surface continuous miners. Initially open cut mines in coal mining was cl assified as strip mines where draglines were

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  • Considerations Some Technical and Business Dragline or ...

    comparison of a dragline mining system and a truck/shovel waste system in terms of capital and operating costs. The dragline shows a definite cash cost advantage but has a much higher capital cost compared to the s hovel and truck system. The tabulation is based on the following assumptions: • the dragline is a 80 bcm bucket and assu

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  • Excavator Comparisons – Purchasing

    Dragline Excavators. The largest piece of earthmoving equipment available, dragline excavators are frequently called upon for tasks in surface mining, quarries, road …

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  • Draglines and Front Shovel Excavator | Tractor ...

    Dragline excavators are heavy equipment used in civil engineering and surface mining projects. A Variation of the same basic machine is the Front Shovel excavator also used in Civil engineering and Mining projects. Contents[show] History The earliest machines were steam powered and were the...

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  • the world’s biggest draglines Mining Technology

    Jul 06, 2014· , Joy Global and OMZ produce some of the biggest draglines used in surface mining operations. profiles the ten biggest draglines in use based on bucket capacity. Joy Global’s PH 9020XPC walking dragline has …

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  • Working of dragline SlideShare

    Mar 13, 2012· DRAGLINE• Walking draglines are for many years the most popular machine for opencast mining due to their flexibility, utility and availability.• their low operating costs for waste mining• Draglines are deployed wherever there is scope for side casting Overburden above coal seam into the decoaled area.•

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  • Illinois Coal Mine Photos Wayne's World of History ...

    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 bucket. When the Northern Mine Closed in 1974 the 7509 was sent to the Black Mesa mine in Arizona.

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  • Facts about Falkirk Mine | Steele Waseca Coop Electric

    Facts About the Falkirk Mine. Coal Field – The size of the Coal Field is 75,000 acres and 56,000 acres in leases.. Coal Reserves – Lignite coal reserves are 651 million tons, enough for 100 years of operation.. Coal Mined – Each year there are about 300 to 400 acres per year mined. Seven million tons of lignite coal is delivered to Coal Creek Station annually.

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  • Coal mine Giant Dragline excavator in action. YouTube

    Dec 17, 2017· Coal mine Giant Dragline excavator in action. Skip navigation ... "The most boring job in the world" Dragline excavator. ... First boom lift for new dragline at Freedom Mine Duration: 2:30 ...

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