dragline electrician at a coal mine

After retrofitting an aged DC 8050 dragline with a safer AC power system, a multi-dragline coal mine operating in Queensland experienced a major boost in productivity and power efficiency, substantially diminished operating costs and a positive return on the investment within 18 months, FLANDERS says. In 2018, senior management of BHP's South ...

The Sabine Mining Company, whose parent company is North American Coal Corp., operates (long-term contract) the South Hallsville No. 1. The South Hallsville No. 1 Mine generally produces between 1.5 million and 2.0 million tons of lignite annually. Located just outside of Hallsville, Sabine Mining Company's expansion has led to more than ...

In 2018, senior management of BHP's South Walker Creek coal mine was developing a plan for the DRE28 DC 8050, a nearly 40-year-old dragline on which the DC rotating equipment and DC control system had reached …

Armstrong Coal purchased an older dragline from a mining company in Colorado to refurbish for its new Lewis Creek mine in Western Kentucky. The Bucyrus Erie 770 was in sad shape. The electrical technology onboard was 50 years old and it needed to be fully restored. That's no problem for Armstrong Coal.

A large dragline system used in the open pit mining industry costs approximately $50-100 million, and weigh in the vicinity of 2000 metric tonnes, draglines are among the world's …

A dragline is a life-of-mine asset. To ensure that your investment provides the highest level of performance, productivity, and financial return over time, offers a stable of top-quality, globally-available aftermarket solutions, including mechanical and electrical upgrades, structural upgrades, relocation and assembly ...

December 27, 2023. By Paul Bougie. (Beulah, ND) — A heavy piece of equipment fell into a mine pit in Mercer County on Tuesday. It happened at the Coyote Creek Mining Company near Beulah, and reports from the scene indicate that the machinery that fell into the pit is a dragline excavator, which is a piece of equipment commonly used in surface ...

Planning and managing equipment systems of surface mining are critical for achieving higher production and productivity. Poor performance of equipment systems can endanger the economic viability of mining operations []–[].OB removal is a major process in the surface mining of coal, accounting for over 60% of the mining cost [4, 5].Dragline is …

The mining process is conventional, using dragline with truck and shovel and hydraulic excavators. The P&H 4100 electrical shovel is used for pre-stripping operations and removing overburden. In order to facilitate the process, the overburden is first drilled and blasted. A Marion 8200 dragline is used on the final pass to coal in the central ...

OMZ's ESH 65.100 dragline comes with a 65m³ capacity bucket and 100m-long boom. The walking dragline weighing 5,460t has 23.5m base diameter and 97.6m dumping radius. The dumping height and digging depth of the dragline are 38.5m and 46m respectively. The ESH 65.100 is powered by six 1,120kW drag motors, eight 1,120kW …

Coal. SOUTH MILWAUKEE, Wisconsin - Although it is not at liberty to release the name of its customer, BUCYRUS INTERNATIONAL has sold a new 8750 AC walking dragline to a "major" Canadian coal mining company. This dragline, with a contract value in excess of US$100 million, will have a complete AC-IGBT electrical …

The latest restored dragline walked off the erection pad in November 2015 at the Coyote Creek mine in Mercer County, North Dakota. A project that began three years ago was completed with the commissioning of a completely refurbished machine. The new AC-powered dragline will be the centerpiece of a lignite mining operation for the next 25 …

Rohit Raj. The document summarizes information about the Sasan coal mine in India and the heavy machinery used there, including a walking dragline and dump trucks. The dragline is an electric 8200 …

THE Queensland Coal Inspectorate is investigating after a worker was struck by a rotating dragline on January 14 while completing cable relocation works on …

Coal Inspectorate | Alert | No.403 V 1 | 23 November 2021 Fatal accident when coal mine worker was struck by rotating dragline What happened? On Sunday 21 November 2021, at the Curragh Mine, a worker suffered fatal injuries in an incident that occurred when he was performing cable relocation work on the dragline within the …

Big Muskie. 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 …

A 13-million pound excavating machine, called a dragline, at a coal mine near Underwood, is leaning but stable after the ground it was sitting on began giving way Tuesday.

Mike McCleary. JOEY HARRIS. A dragline used to dig at the Coyote Creek Mine near Beulah got stuck in a pit Tuesday afternoon. The incident was caused by the working area below the dragline ...

The energy sources in mining operations. are diesel fuel, electricity, natural gas, coal and gasoline, with participation in total energy consumption of 34%, 32%, 22%, 10% and 2%, respectively ...

The dragline is powered solely by electricity. A Load Stabilizer System consisting of a 40-ton flywheel and motor/generator serves as a buffer between the dragline and the local electrical grid. The flywheel stores energy to be used whenever the dragline's electrical demand increases too quickly for the local grid.

Surface Coal Mine Fatal Electrical Accident November 5, 2006 Kayenta Mine Peabody Western Coal Company Kayenta, Navajo County, Arizona ID No. 02-01195 ... The J-19 pit was a coal stripping operation, which included an 8200 Marion electrical dragline for removing overburden. The dragline was driven by 1,000 horsepower, 7,200 volt …

Draglines are extensively used in Indian mines. A dragline has more than hundreds of components, and it is complex in design. This study involves the evaluation of the reliability of a draglines system using a Bayesian network (BN) model mapped from a fault tree. Based on the BN inference, the reliability estimation, the diagnosis, and the …

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.

The 8750 is equipped with the world's longest boom measuring up to 132.5m (435ft) and has a suspended load capacity of up to 383,286kg. The dragline is …

The history of dragline excavators dates back to the early twentieth century when they were first used for coal mining in the United States. Over the years, they have evolved …

The Central Ohio Coal Co., a subsidiary of American Electric Power, announced it planned to erect the biggest walking dragline in the world and have it up …

Mercer County, N.D. ( KXNET) — Reports from Coyote Creek tell KX News that a dragline slid into a pit today. The weather conditions today impacted people on and off our roads. Cars, trains ...

ATI Electrical Supply is a distributor of General Cable, Nexans, Southwire and Telefonika mining cable. Call one of our mining experts at 800-597-9311 today. We can help specify and provide pricing and availability for all your mining needs. Mining cable is a generic term that describes cable used for distributing power to equipment in …

Dragline is predominantly used for overburden removal to expose the coal. Draglines are a self-contained system that can load and transport overburden (OB) to …

On Sunday 14 January 2024, a worker was struck by a rotating dragline upon completion of cable relocation works, within the operational swing boundaries of the dragline. The …

Kim Fundingsland/MDN The massive dragline that removes earth above veins of lignite coal at the Falkirk Mine near Underwood operates 24 hours a day, seven days a week. It began operation in 1980.

The dragline, or dragline excavator, is a mechanized excavator and crawler that is used in large-scale works. It operates with a shovel or scoop attached to the machine only with cables, which offers it a wide range of action and load. However, it reduces power, so the dragline is ideal for excavating and hauling materials that are not very hard.

Draglines have long been considered the lowest cost per ton method for overburden removal in coal mine applications, and Bucyrus has been a leading force in the evolution of these majestic excavators. ... Texas, which is located about 150 miles from Kosse. Lastly, Bucyrus performed a complete electrical upgrade on the 8200 dragline, …

Draglines typically can offer a low cost waste removal mining method but are less flexible and have a higher capital cost. Truck/shovel fleets on the other hand are far more flexible with lower capital but generally higher unit costs. "The deployment of draglines and truck/shovel fleets can be varied so that competitiveness (lower costs) …

A dragline used to dig at the Coyote Creek Mine near Beulah, ND got stuck in a pit Tuesday afternoon. The incident was caused by the working area below the dragline becoming unstable, according to David Straley, vice president of external affairs for North American Coal, which owns Coyote Creek. Draglines are massive machines, …

3.8-4.1 million kg (8.5-9.1 million lb) View Details. ® 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.

Draglines are used for overburden removal in mines especially from coal top. Most of the mines have a century old Ward-Leonard technique dragline [1, 2] with analog control in running condition. In dragline, bucket control is the main work, while in Ward–Leonard control draglines, hoist and the

Sporting flags representing the United States, Alabama, and Vietnam POW-MIAs, Mr. Tom is a walking dragline with two sled-like feet that move it forward about 13 feet at a time. The dragline ...