dragline electrician at a coal mine

Dragline exclavator

Dragline exclavator

May 23, 2014 · 1 . 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 earthmoving machine, weighing nearly 13,000 tonnes and standing nearly 22 stories tall. 2 .

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Draglines

Draglines

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 ...

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Our Team | cmspl

Our Team | cmspl

Assignments with Comino Management Services Pty Ltd include acting as Electrical Superintendent for the manufacture and erection of a new 8750 dragline at the Ensham Coal Mine; for the reloion of a 1370W dragline from New Mexico to Australia; providing electrical support on a major dragline outage at Curragh Mine and managing the design ...

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FREEDOM for Draglines

FREEDOM for Draglines

"Our DC to AC dragline retrofit is one of the most significant, practical mining tech advancements of the last decade. DC draglines were OEM standard from the '60s into the '90s. Now, a lot of those machines are slowing down and approaching retirement at a time when budgets are tight due to market pressures.

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Section 1: Coal Miners | North Dakota Studies

Section 1: Coal Miners | North Dakota Studies

Image 1: A dragline uses a gigantic bucket to strip coal from the coal vein in this strip mine. The dragline operator replaces dozens of miners through the use of a single, huge piece of equipment. The draglines can be moved, but the pace is very slowabout onetenth of a mile per hour. SHSND 32256C1399.

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Mining Operations

Mining Operations

Mining operations and customer product specifiions can produce some complied requirements for coal handling. We have the experience and connections to operate and maintain crushing and conveying systems while keeping your costs low and production levels on plan. Drilling + Blasting.

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Coal Controversy In Appalachia

Coal Controversy In Appalachia

The most controversial mines are known as mountaintop removal mines because coal companies literally remove the tops of mountains with dynamite and earthmoving machines, called draglines, in order to reach coal seams. The waste rock—the remains of the mountains—is piled into neighboring hollows in towering earthen dams called valley fills.

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Cable damage on dragline's overhead crane

Cable damage on dragline's overhead crane

Oct 15, 2020 · AN ELECTRICAL cable has become damaged and released energy after becoming caught on the house of a dragline while an overhead crane was being reloed at a Queensland open cut coal mine. An electrical cable has become damaged and released energy after becoming caught on the house of a dragline while an overhead crane was being reloed.

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the world's biggest draglines

the world's biggest draglines

Jul 06, 2014 · The dragline is ACpowered and has been operational at TransAlta's Highvale coal mine in Alberta, Canada, since 2010. The 8750 has an operating radius of, and up to dumping height and digging depth, offering a suspended load capacity of 344,736kg.

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NHA celebrates 50th anniversary

NHA celebrates 50th anniversary

Apr 09, 2013 · A t the 8050 dragline, Henry C. Begay has a unique view of the coal that is extracted at Navajo Mine.. The intrie work Begay completes with the dragline .

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Dragline hoist and drag ropes trial concluded at SA coal mine

Dragline hoist and drag ropes trial concluded at SA coal mine

Jan 23, 2015 · The trials, that were conducted at a global coal producer's mine, in South Africa, also showed that the system's rope service lasts about 70% longer than ropes from other manufacturers, he ...

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Dragline At Coal Mine HighRes Stock Photo

Dragline At Coal Mine HighRes Stock Photo

dragline at Coal Mine stock photo. a very large dragline mining machine {{purchaseLicenseLabel}} {{restrictedAssetLabel}} {{buyOptionLabel(option)}} You have viewonly access under this Premium Access agreement. Contact your company to license this image. ...

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Viewpoint Mining Magazine

Viewpoint Mining Magazine

As outlined in a white paper by Drummond's Larry Casson at a meeting of the Western Mining Electrical Association, electronic controls play a major role in the operation of the dragline. "The Marion 8750 dragline is capable of regenerating up to 60 percent of peak motoring power.

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Bucyrus Erie 1150b Walking Dragline Excavator

Bucyrus Erie 1150b Walking Dragline Excavator

On the 19th of March, 1988, there was a disastrous flood at the St. Aidan's site. One of the Draglines was at the top having some maintenance work done, and the other one had time to walk out of the mine before it was filled with water. Coal extraction recommenced in 1998 after a considerable amount of pumping out and remedial work.

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Dragline Excavator In A Opencast Coal Mine Stock Image ...

Dragline Excavator In A Opencast Coal Mine Stock Image ...

Photo about Dragline excavation systems are heavy equipment used in mine. Image of coal, huge, mineral

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

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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Electrical protection batteries discharging | Resources ...

Electrical protection batteries discharging | Resources ...

Apr 04, 2017 · Electrical protection batteries discharging What happened? A fault occurred on a high voltage dragline cable at an open cut coal mine. The electrical protection system in the substation supplying the dragline is designed to isolate such faults, however it did not operate. Upstream protection at the Ergon supply did operate to isolate the fault.

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