Digging big

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 …

(PDF) Critical Analysis of Tandem Dragline …

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 ...

(PDF) Critical Analysis of Tandem Dragline Performance

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 ...

Dragline

Draglines can be giant mining machines such as the "Big Muskie" weighing in at over 13 000 tons with a bucket capacity of 220 cubic yards or 325 tons ( American Electric Power, 2008 ). These machines efficiently excavate and cast overburden in one cyclical motion from a location on the top of the overburden.

Maintenance and Performance Analysis of Draglines …

A Dragline Plays A Crucial Role In Coal Excavation. It Is Mostly Used In Open-Cast Coal Mines To Strip The Overburden Covering The Coal. When Coal Industry Started Using Draglines, Strategies Were Made For Maintenance And Initial Development By The …

Tooth decay. The teeth on a dragline (a large machine used …

Introduction to Scientific Programming and Simulation Using R (2nd Edition) Edit edition Solutions for Chapter 19 Problem 13E: Tooth decay. The teeth on a dragline (a large machine used in mining excavation) have a limited lifespan. After k months of operation, the chance that a tooth does not need replacing is ak, for some a ∈ (0, 1).

Module 09 Dragline Operation

This module describes the basic job steps, potential hazards or accidents, and. recommended safe job procedures for dragline operation. Draglines are used in surface metal and nonmetal mining for overburden and ore removal, and for reclamation. Many different sizes of draglines may be used, depending on the type of operation and …

(PDF) Productivity Analysis of Draglines Operating in

Using machine learning algorithms to predict cast blasting performance in surface mining predicted the performance of dragline in production (Rai et al. 2011), which involved removal of overburden ...

Draglines | |

® 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 …

Dragline Excavator Uses | Dragline in Mining | American Mine …

As a piece of heavy equipment, a dragline excavator is 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.

Big And Mighty: The Evolution Of Dragline Excavators And …

Mining: Dragline excavators often dig deep pits to extract minerals and metals. They can reach depths of up to 200 feet and dig a wide area so that mining companies can collect more minerals and metals efficiently. Land Reclamation: Dragline excavators are also used for land reclamation projects. They can extract large amounts of soil to ...

problems faced by dragline machines used in mines

Human Factor Issues with Automated Mining Equipment. Mar 27 2011 dragline or a coal preparation plant The associated tasks increasingly used in mine sites and toxic and other hazardous environments change the types of human factors issues involved e g less manual operational

Draglines Mining Equipment PA | CB Mining

Draglines are an important excavating tool used in many surface mining operations worldwide. These highly productive machines operate 24 hours a day, seven days a week and are able to reach depths of 79.8 m (262 ft) with capacities up to 116.2 m 3 (152 yd 3).Offering the lowest material removal cost per tonne (ton) and an average operating life …

P&H 9020C Dragline

Specifications. Technology. The 9020C dragline, featuring a 55 to 93 m 3 (75 to 117 yd. 3) bucket capacity range, offers 90 to 125 m (300 to 405 ft.) boom length range, allowing you to customize the boom length for your …

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 ...

Dragline Excavators | |

Boom Length. 109.7-132.5 m (360-435 ft) Working Weight - Approximate. 5.8-7.5 million kg (13.1-15.9 million lb) View Details. Compare models. ® 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.

The rise and fall of the two biggest draglines ever built

The Captain quit operating after suffering fire damage, and repairs proved too costly. Watch this documentary about two of the biggest draglines ever built. The Captain was the first of the big ...

Applicability of Controlled Blasting in Large …

Normal dragline blast of Jayant opencast project consists of detonation of 3-8 rows involving 16-70 blastholes in a round. Controlled blasting technique, line drilling was planned and line drill holes of 20 to …

The Feasibility of Draglines for Mine Reclamation

The economic feasibility of dragline reclamation is also presented. The initial cost and production costs of dragline equipment is compared to the initial cost and production costs of other reclamation equipment. In addition, the ncrescent" scraper system is introduced as an alternative to conventional dragline bucket and line Systems.

Performance Study & Evaluation of Electrical Parameter of Dragline …

Draglines are the most expensive piece of excavating equipment at the mine site and it's operated safely, efficiently and economically. In order to achieve high production and productivity of heavy earth moving machine in opencast mines, it is ... Chapter 1 Introduction 1-6 1.1 Dragline mining 2 1.2 Dragline used in India 3 1.3 Objective 5 1. ...

Construction Planning, Equipment, CHAPTER …

DRAGLINES. Draglines are used to excavate material and to load it into hauling units, such as trucks or tractor-pulled wagons, or to deposit it in levees, dams, and spoil banks near the pits from which it is excavated. DRAGLINES. The dragline is designed to excavate below the level of the machine.

Critical Analysis of Tandem Dragline Performance in Open

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SCIENCE OF MINING MACHINES Recent Advancements …

WEBDOI: 10.1134/S106273911601025X. INTRODUCTION. Dragline is mostly used for removal of overburden and for this, bucket is used. There are mainly three operations for the …

Coal Zoom | Dragline at North Dakota Mine Stuck in a Pit

Dragline at North Dakota Mine Stuck in a Pit . December 28, 2023 - 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 …

(PDF) IRJET- CASE STUDY ON DRAGLINE

IRJET- CASE STUDY ON DRAGLINE. IRJET Journal. 2020, IRJET. Draglines have been explicitly used in coal mining for a no.of decades, either as stripper or stripper and coal extractor. As this equipment retains certain intrinsic benefits, which their rivals do not have, they should essentially be operated in round-the-clock fashion for high ...

Draglines 101: How They Do It | Mining Digital

In strip mining operations, draglines are used to remove overburden from mines. Unlike most mining equipment, the bulk of draglines are not diesel-powered. Their power consumption relies on a …

Dragline Falls Into Mine Pit | Dakota News Network

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 ...

(PDF) Mining Methods: Part I-Surface mining

Aqueous methods divided into Placer (Panning, Sluicing, Hydraulic Mining, and Dredging) and solution methods (In-situ leaching (ISL) and Heap Leaching). Among them, solution mining and placer ...

CASE STUDY ON DRAGLINE

dragline is a Heavy Earth Moving Machine (HEMM), working and operating procedures have been discussed KeyWords: DRAGLINE, MINIMUM, MINES, INSTALLATION, MACHINARY. 1.INTRODUCTION Dragline used in surface mining is heavy equipment. They are mostly built on-site for strip mining operations to remove overburden and coal