coal dragline machine

PDF Determination of Annual Production Capacity of Different Draglines

PDF Determination of Annual Production Capacity of Different Draglines

Coal from opencast mining. Opencast mines deploy large number of state of the art Heavy Earth Moving Machines like Draglines, Bucket Wheel Excavators and Shovels and Dumperscombination for ...

PDF .D.Draraggline line MMethods ethods Ouro Mining Inc

PDF .D.Draraggline line MMethods ethods Ouro Mining Inc

Monighan Machine Company revolutionized dragline by placing two ... 49 CY machine 1994 Catenary Coal Company installed a BE 2570 100 CY machine at the Samples Mine (upgraded 1998 to 118 CY) 1998 Evergreen Mining comissioned a BE 1570 75 CY machine in Webster County .

BNI Coal commissions 31 million dragline in North Dakota

BNI Coal commissions 31 million dragline in North Dakota

A coal mining company in Center commissioned a 31 million dragline Monday and is about six weeks from putting the massive coal miner to use. BNI Coal hosted the ceremony at its Center Mine. The ...

The  story | Heritage Machines

The story | Heritage Machines

The story: This 6400 carries a 16cubicyard bucket on a 160foot boom, and is seen at work uncovering anthracite in Pennsylvania. Having achieved great success with its sevenyard 4600 excavator, and listening to demands from its American coalstripping customers, introduced the 6400 dragline in 1977.

Kaleidoscope: Biggest dragline went to work 50 years ago in Ohio

Kaleidoscope: Biggest dragline went to work 50 years ago in Ohio

The Big Muskie, a model built by BucyrusErie of Milwaukee, went to work uncovering coal in May 1969, and this is the 50th anniversary of its startup. The 14,000ton machine with a 220 cubic yard bucket was retired in 1991. For those of us who grew up in East Central Ohio, large strip mining machines were not uncommon.

100 Years with Coal Age Page 6 of 10 Coal Age

100 Years with Coal Age Page 6 of 10 Coal Age

The huge machine capped a dragline and shovel race that began in the 1950s as various surface producers ordered ever larger equipment capable of achieving successively greater efficiencies of scale." ... The cartoonish massive stripping machine depicted dwarfing a coal train on the April 1960 cover of the magazine heralded the continuation of ...

Determination of Annual Production Capacity of Different Draglines

Determination of Annual Production Capacity of Different Draglines

India produces about 90% of Coal from opencast mining. Opencast mines deploy large number of state of the art Heavy Earth Moving Machines like Draglines, Bucket Wheel Excavators and Shovels and ...

Draglines Coal Education

Draglines Coal Education

Draglines remove dirt to expose coal and other minerals underneath. Some of the biggest machines can lift several hundred tons in a single scoop, and the bucket alone is about the size of a twocar garage. The machine house is 100 x 118 ft. with a 350 ft. boom and currently uses a 100 CY bucket. The PH 9020 has only been in operation since ...

The Allure of Gigantic Excavators | Amusing Planet

The Allure of Gigantic Excavators | Amusing Planet

The affectionately named "Big Muskie" was a dragline excavator that stripped layers of earth from the surface to expose the shallow coal seams that ran under much of Morgan county. ... operating Big Muskie became unprofitable and it was removed from service in 1991. After failing to find a buyer, the coal company dismantled the machine and ...

Preventive Replacement Decisions for Dragline Components Using ... MDPI

Preventive Replacement Decisions for Dragline Components Using ... MDPI

In the paper, the draglines with buckets of 20 yd 3 ( m 3) and 40 yd 3 ( m 3) were labeled as Dragline1 and Dragline2, respectively. It was detected from failure statistics that operations of Dragline1 and Dragline2 were halted for 938 and 903 times due to failures, yielding total breakdown duration of 13,954 and 16,471 h, respectively.

 | The Story of

| The Story of "Big Muskie"

Central Ohio Coal Co. had chosen this immense machine because the mine property extended over 110,000 acres of hilly terrain and made the use of a dragline versus a shovel to be more profitable at the levels of earth the coal was located in. It also allowed the coal company to better carryout their reclamation plans.

What Is Mountaintop Removal Mining? Earthjustice

What Is Mountaintop Removal Mining? Earthjustice

Huge machines called draglines—some the size of an entire city block, able to scoop up to 100 tons in a single load—push rock and dirt into nearby streams and valleys, forever burying waterways. Coal companies use explosives to blast as much as 800 to 1,000 feet off the tops of mountains in order to reach thin coal seams buried deep below.

BNI Coal commissions 31 million dragline in North Dakota

BNI Coal commissions 31 million dragline in North Dakota

The electrically operated dragline stands 286 feet high and required 214 trucks to deliver it in pieces from Mississippi to the mine outside of Center. CENTER A coal mining company in Center ...

BNI Coal commissions 31 million dragline; coal miner replacing 45year ...

BNI Coal commissions 31 million dragline; coal miner replacing 45year ...

CENTER A coal mining company in Center commissioned a 31 million dragline Monday and is about six weeks from putting the massive coal miner to use. BNI Coal hosted the ceremony at its Center Mine.

Ursa Major (excavator) Wikipedia

Ursa Major (excavator) Wikipedia

Ursa 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 US50 million. The Ursa Major was one of five large walking draglines operated at Black Thunder, with ...

Top 10: Mega Earthmovers | Mining Digital

Top 10: Mega Earthmovers | Mining Digital

This giant machine is close to seven stories high and can move over 250,000 pounds of earth across 200 yards in less than 60 seconds. This simple and efficient dragline is perfect for coal mining. 4.) T 282B. The T 282B is one of the largestcapacity dump truck in the world offering a payload capacity of roughly 400 tons ...

(PDF) Productivity Analysis of Draglines Operating in Horizontal and ...

(PDF) Productivity Analysis of Draglines Operating in Horizontal and ...

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 PM10 ...

A group attempts to save The Silver Spade, a giant mining shovel.

A group attempts to save The Silver Spade, a giant mining shovel.

Formed in 1992, HCRHP's focus is to provide a comfortable rest home for The Silver Spade, a BucyrusErie 1950B that was commissioned in 1965. Weighing 14 million pounds and standing 220 ft. tall while swinging a 105 cu. yd. bucket, it's the largest electric stripping shovel still doing the job it was designed to perform.

Big Muskie Wikipedia

Big Muskie Wikipedia

Design specifications and service. The Big Muskie was a model 4250W dragline and was the only one ever built by the BucyrusErie. With a 220cubicyard (170 m 3) bucket, it was the largest singlebucket digging machine ever created and one of the world's largest mobile earthmoving machines alongside the Ohiobased Marion 6360 stripping shovel called The Captain and the German bucket wheel ...

Friends of St. Aidans BE 1150 Walking Dragline

Friends of St. Aidans BE 1150 Walking Dragline

The Friends of St Aidans care for 'Oddball', a Bucyrus Erie BE 1150 Walking Dragline Excavator, which was used in opencast/surface coal mining. This giant machine is preserved on the site where it last worked at Swillington, Leeds. Public Open Days throughout the year.

Mining Operations Committed to LongTerm Success North American Coal

Mining Operations Committed to LongTerm Success North American Coal

With over 100 years of experience, our mining capabilities are extensive. We leverage our vast experience in true partnership to achieve your goals. As the largest lignite producer in the, we operate mines with annual production levels ranging from a few hundred thousand tons per year to more than 10 million. We specialize in reserve ...

8750 Draglines |  |

8750 Draglines | |

® 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 most productive and environmentally friendly excavators in the industry. The ® 8750 is our flagship model. It's the first dragline of any kind to be successfully equipped with AC IGBT drive systems — a superior ...

"Giant Shovel on I70"Ohio Strip Mine Fight: 1973 Pop History Dig

There were three of the giant machines at issue: The Tiger, The Mountaineer, and The GEM of three were then in the service of the Hanna Coal Company, which by 1970, had been strip mining in Ohio for decades and was then a division of the much larger Pittsburgh Consolidation Coal Company, later known as "Consol," itself then owned by Continental Oil.

Largest Dragline in the World | Biggest Dragline Ever Built AMS

Largest Dragline in the World | Biggest Dragline Ever Built AMS

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 171 million today!

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